X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2FlibFLAC%2Fstream_encoder.c;h=83849d4a8df00535096db37147074976ee0e51cc;hb=6497ce19770ec48d565f3a043cc74c9c389c7829;hp=126384023cd1dbd82d0879c5bc8bb7a4d73f19c1;hpb=47c7b14079180335a636ffff16fa91878f560412;p=platform%2Fupstream%2Fflac.git diff --git a/src/libFLAC/stream_encoder.c b/src/libFLAC/stream_encoder.c index 1263840..83849d4 100644 --- a/src/libFLAC/stream_encoder.c +++ b/src/libFLAC/stream_encoder.c @@ -1,5 +1,5 @@ /* libFLAC - Free Lossless Audio Codec library - * Copyright (C) 2000,2001,2002,2003,2004,2005 Josh Coalson + * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -29,14 +29,19 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#if HAVE_CONFIG_H +# include +#endif + #include #include #include /* for malloc() */ #include /* for memcpy() */ +#include /* for off_t */ #include "FLAC/assert.h" #include "FLAC/stream_decoder.h" #include "protected/stream_encoder.h" -#include "private/bitbuffer.h" +#include "private/bitwriter.h" #include "private/bitmath.h" #include "private/crc.h" #include "private/cpu.h" @@ -45,21 +50,30 @@ #include "private/lpc.h" #include "private/md5.h" #include "private/memory.h" +#include "private/macros.h" +#if FLAC__HAS_OGG +#include "private/ogg_helper.h" +#include "private/ogg_mapping.h" +#endif #include "private/stream_encoder_framing.h" +#include "private/window.h" +#include "share/alloc.h" +#include "share/compat.h" +#include "share/private.h" -#ifdef HAVE_CONFIG_H -#include -#endif -#ifdef min -#undef min -#endif -#define min(x,y) ((x)<(y)?(x):(y)) +/* Exact Rice codeword length calculation is off by default. The simple + * (and fast) estimation (of how many bits a residual value will be + * encoded with) in this encoder is very good, almost always yielding + * compression within 0.1% of exact calculation. + */ +#undef EXACT_RICE_BITS_CALCULATION +/* Rice parameter searching is off by default. The simple (and fast) + * parameter estimation in this encoder is very good, almost always + * yielding compression within 0.1% of the optimal parameters. + */ +#undef ENABLE_RICE_PARAMETER_SEARCH -#ifdef max -#undef max -#endif -#define max(x,y) ((x)>(y)?(x):(y)) typedef struct { FLAC__int32 *data[FLAC__MAX_CHANNELS]; @@ -79,6 +93,30 @@ typedef enum { ENCODER_IN_AUDIO = 2 } EncoderStateHint; +static struct CompressionLevels { + FLAC__bool do_mid_side_stereo; + FLAC__bool loose_mid_side_stereo; + unsigned max_lpc_order; + unsigned qlp_coeff_precision; + FLAC__bool do_qlp_coeff_prec_search; + FLAC__bool do_escape_coding; + FLAC__bool do_exhaustive_model_search; + unsigned min_residual_partition_order; + unsigned max_residual_partition_order; + unsigned rice_parameter_search_dist; +} compression_levels_[] = { + { false, false, 0, 0, false, false, false, 0, 3, 0 }, + { true , true , 0, 0, false, false, false, 0, 3, 0 }, + { true , false, 0, 0, false, false, false, 0, 3, 0 }, + { false, false, 6, 0, false, false, false, 0, 4, 0 }, + { true , true , 8, 0, false, false, false, 0, 4, 0 }, + { true , false, 8, 0, false, false, false, 0, 5, 0 }, + { true , false, 8, 0, false, false, false, 0, 6, 0 }, + { true , false, 8, 0, false, false, true , 0, 6, 0 }, + { true , false, 12, 0, false, false, true , 0, 6, 0 } +}; + + /*********************************************************************** * * Private class method prototypes @@ -87,22 +125,23 @@ typedef enum { static void set_defaults_(FLAC__StreamEncoder *encoder); static void free_(FLAC__StreamEncoder *encoder); -static FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_size); -static FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples); -static FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame); -static FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame); +static FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_blocksize); +static FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples, FLAC__bool is_last_block); +static FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, FLAC__bool is_last_block); +static void update_metadata_(const FLAC__StreamEncoder *encoder); +#if FLAC__HAS_OGG +static void update_ogg_metadata_(FLAC__StreamEncoder *encoder); +#endif +static FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block, FLAC__bool is_last_block); +static FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block); static FLAC__bool process_subframe_( FLAC__StreamEncoder *encoder, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, const FLAC__FrameHeader *frame_header, unsigned subframe_bps, const FLAC__int32 integer_signal[], -#ifndef FLAC__INTEGER_ONLY_LIBRARY - const FLAC__real real_signal[], -#endif FLAC__Subframe *subframe[2], FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2], FLAC__int32 *residual[2], @@ -112,14 +151,16 @@ static FLAC__bool process_subframe_( static FLAC__bool add_subframe_( FLAC__StreamEncoder *encoder, - const FLAC__FrameHeader *frame_header, + unsigned blocksize, unsigned subframe_bps, const FLAC__Subframe *subframe, - FLAC__BitBuffer *frame + FLAC__BitWriter *frame ); static unsigned evaluate_constant_subframe_( + FLAC__StreamEncoder *encoder, const FLAC__int32 signal, + unsigned blocksize, unsigned subframe_bps, FLAC__Subframe *subframe ); @@ -128,16 +169,15 @@ static unsigned evaluate_fixed_subframe_( FLAC__StreamEncoder *encoder, const FLAC__int32 signal[], FLAC__int32 residual[], - FLAC__uint32 abs_residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned raw_bits_per_partition[], unsigned blocksize, unsigned subframe_bps, unsigned order, unsigned rice_parameter, + unsigned rice_parameter_limit, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, FLAC__bool do_escape_coding, unsigned rice_parameter_search_dist, FLAC__Subframe *subframe, @@ -149,7 +189,6 @@ static unsigned evaluate_lpc_subframe_( FLAC__StreamEncoder *encoder, const FLAC__int32 signal[], FLAC__int32 residual[], - FLAC__uint32 abs_residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned raw_bits_per_partition[], const FLAC__real lp_coeff[], @@ -158,9 +197,9 @@ static unsigned evaluate_lpc_subframe_( unsigned order, unsigned qlp_coeff_precision, unsigned rice_parameter, + unsigned rice_parameter_limit, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, FLAC__bool do_escape_coding, unsigned rice_parameter_search_dist, FLAC__Subframe *subframe, @@ -169,6 +208,7 @@ static unsigned evaluate_lpc_subframe_( #endif static unsigned evaluate_verbatim_subframe_( + FLAC__StreamEncoder *encoder, const FLAC__int32 signal[], unsigned blocksize, unsigned subframe_bps, @@ -178,27 +218,28 @@ static unsigned evaluate_verbatim_subframe_( static unsigned find_best_partition_order_( struct FLAC__StreamEncoderPrivate *private_, const FLAC__int32 residual[], - FLAC__uint32 abs_residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned raw_bits_per_partition[], unsigned residual_samples, unsigned predictor_order, unsigned rice_parameter, + unsigned rice_parameter_limit, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, + unsigned bps, FLAC__bool do_escape_coding, unsigned rice_parameter_search_dist, - FLAC__EntropyCodingMethod_PartitionedRice *best_partitioned_rice + FLAC__EntropyCodingMethod *best_ecm ); static void precompute_partition_info_sums_( - const FLAC__uint32 abs_residual[], + const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, - unsigned max_partition_order + unsigned max_partition_order, + unsigned bps ); static void precompute_partition_info_escapes_( @@ -210,58 +251,22 @@ static void precompute_partition_info_escapes_( unsigned max_partition_order ); -#ifdef DONT_ESTIMATE_RICE_BITS static FLAC__bool set_partitioned_rice_( - const FLAC__uint32 abs_residual[], - const FLAC__int32 residual[], - const unsigned residual_samples, - const unsigned predictor_order, - const unsigned suggested_rice_parameter, - const unsigned rice_parameter_search_dist, - const unsigned partition_order, - FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, - unsigned *bits -); - -static FLAC__bool set_partitioned_rice_with_precompute_( +#ifdef EXACT_RICE_BITS_CALCULATION const FLAC__int32 residual[], +#endif const FLAC__uint64 abs_residual_partition_sums[], const unsigned raw_bits_per_partition[], const unsigned residual_samples, const unsigned predictor_order, const unsigned suggested_rice_parameter, + const unsigned rice_parameter_limit, const unsigned rice_parameter_search_dist, const unsigned partition_order, const FLAC__bool search_for_escapes, FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, unsigned *bits ); -#else -static FLAC__bool set_partitioned_rice_( - const FLAC__uint32 abs_residual[], - const unsigned residual_samples, - const unsigned predictor_order, - const unsigned suggested_rice_parameter, - const unsigned rice_parameter_search_dist, - const unsigned partition_order, - FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, - unsigned *bits -); - -static FLAC__bool set_partitioned_rice_with_precompute_( - const FLAC__uint32 abs_residual[], - const FLAC__uint64 abs_residual_partition_sums[], - const unsigned raw_bits_per_partition[], - const unsigned residual_samples, - const unsigned predictor_order, - const unsigned suggested_rice_parameter, - const unsigned rice_parameter_search_dist, - const unsigned partition_order, - const FLAC__bool search_for_escapes, - FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, - unsigned *bits -); -#endif static unsigned get_wasted_bits_(FLAC__int32 signal[], unsigned samples); @@ -282,31 +287,16 @@ static void append_to_verify_fifo_interleaved_( unsigned wide_samples ); -static FLAC__StreamDecoderReadStatus verify_read_callback_( - const FLAC__StreamDecoder *decoder, - FLAC__byte buffer[], - unsigned *bytes, - void *client_data -); - -static FLAC__StreamDecoderWriteStatus verify_write_callback_( - const FLAC__StreamDecoder *decoder, - const FLAC__Frame *frame, - const FLAC__int32 * const buffer[], - void *client_data -); - -static void verify_metadata_callback_( - const FLAC__StreamDecoder *decoder, - const FLAC__StreamMetadata *metadata, - void *client_data -); +static FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data); +static FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data); +static void verify_metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data); +static void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data); -static void verify_error_callback_( - const FLAC__StreamDecoder *decoder, - FLAC__StreamDecoderErrorStatus status, - void *client_data -); +static FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data); +static FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data); +static FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data); +static FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data); +static FILE *get_binary_stdout_(void); /*********************************************************************** @@ -320,8 +310,10 @@ typedef struct FLAC__StreamEncoderPrivate { FLAC__int32 *integer_signal[FLAC__MAX_CHANNELS]; /* the integer version of the input signal */ FLAC__int32 *integer_signal_mid_side[2]; /* the integer version of the mid-side input signal (stereo only) */ #ifndef FLAC__INTEGER_ONLY_LIBRARY - FLAC__real *real_signal[FLAC__MAX_CHANNELS]; /* the floating-point version of the input signal */ - FLAC__real *real_signal_mid_side[2]; /* the floating-point version of the mid-side input signal (stereo only) */ + FLAC__real *real_signal[FLAC__MAX_CHANNELS]; /* (@@@ currently unused) the floating-point version of the input signal */ + FLAC__real *real_signal_mid_side[2]; /* (@@@ currently unused) the floating-point version of the mid-side input signal (stereo only) */ + FLAC__real *window[FLAC__MAX_APODIZATION_FUNCTIONS]; /* the pre-computed floating-point window for each apodization function */ + FLAC__real *windowed_signal; /* the integer_signal[] * current window[] */ #endif unsigned subframe_bps[FLAC__MAX_CHANNELS]; /* the effective bits per sample of the input signal (stream bps - wasted bits) */ unsigned subframe_bps_mid_side[2]; /* the effective bits per sample of the mid-side input signal (stream bps - wasted bits + 0/1) */ @@ -335,21 +327,21 @@ typedef struct FLAC__StreamEncoderPrivate { FLAC__EntropyCodingMethod_PartitionedRiceContents partitioned_rice_contents_workspace_mid_side[FLAC__MAX_CHANNELS][2]; FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr[FLAC__MAX_CHANNELS][2]; FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents_workspace_ptr_mid_side[FLAC__MAX_CHANNELS][2]; - unsigned best_subframe[FLAC__MAX_CHANNELS]; /* index into the above workspaces */ + unsigned best_subframe[FLAC__MAX_CHANNELS]; /* index (0 or 1) into 2nd dimension of the above workspaces */ unsigned best_subframe_mid_side[2]; unsigned best_subframe_bits[FLAC__MAX_CHANNELS]; /* size in bits of the best subframe for each channel */ unsigned best_subframe_bits_mid_side[2]; - FLAC__uint32 *abs_residual; /* workspace where abs(candidate residual) is stored */ FLAC__uint64 *abs_residual_partition_sums; /* workspace where the sum of abs(candidate residual) for each partition is stored */ unsigned *raw_bits_per_partition; /* workspace where the sum of silog2(candidate residual) for each partition is stored */ - FLAC__BitBuffer *frame; /* the current frame being worked on */ + FLAC__BitWriter *frame; /* the current frame being worked on */ unsigned loose_mid_side_stereo_frames; /* rounded number of frames the encoder will use before trying both independent and mid/side frames again */ unsigned loose_mid_side_stereo_frame_count; /* number of frames using the current channel assignment */ FLAC__ChannelAssignment last_channel_assignment; - FLAC__StreamMetadata metadata; + FLAC__StreamMetadata streaminfo; /* scratchpad for STREAMINFO as it is built */ + FLAC__StreamMetadata_SeekTable *seek_table; /* pointer into encoder->protected_->metadata_ where the seek table is */ unsigned current_sample_number; unsigned current_frame_number; - struct FLAC__MD5Context md5context; + FLAC__MD5Context md5context; FLAC__CPUInfo cpuinfo; #ifndef FLAC__INTEGER_ONLY_LIBRARY unsigned (*local_fixed_compute_best_predictor)(const FLAC__int32 data[], unsigned data_len, FLAC__float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1]); @@ -365,23 +357,36 @@ typedef struct FLAC__StreamEncoderPrivate { FLAC__bool use_wide_by_block; /* use slow 64-bit versions of some functions because of the block size */ FLAC__bool use_wide_by_partition; /* use slow 64-bit versions of some functions because of the min partition order and blocksize */ FLAC__bool use_wide_by_order; /* use slow 64-bit versions of some functions because of the lpc order */ - FLAC__bool precompute_partition_sums; /* our initial guess as to whether precomputing the partitions sums will be a speed improvement */ FLAC__bool disable_constant_subframes; FLAC__bool disable_fixed_subframes; FLAC__bool disable_verbatim_subframes; +#if FLAC__HAS_OGG + FLAC__bool is_ogg; +#endif + FLAC__StreamEncoderReadCallback read_callback; /* currently only needed for Ogg FLAC */ + FLAC__StreamEncoderSeekCallback seek_callback; + FLAC__StreamEncoderTellCallback tell_callback; FLAC__StreamEncoderWriteCallback write_callback; FLAC__StreamEncoderMetadataCallback metadata_callback; + FLAC__StreamEncoderProgressCallback progress_callback; void *client_data; + unsigned first_seekpoint_to_check; + FILE *file; /* only used when encoding to a file */ + FLAC__uint64 bytes_written; + FLAC__uint64 samples_written; + unsigned frames_written; + unsigned total_frames_estimate; /* unaligned (original) pointers to allocated data */ FLAC__int32 *integer_signal_unaligned[FLAC__MAX_CHANNELS]; FLAC__int32 *integer_signal_mid_side_unaligned[2]; #ifndef FLAC__INTEGER_ONLY_LIBRARY - FLAC__real *real_signal_unaligned[FLAC__MAX_CHANNELS]; - FLAC__real *real_signal_mid_side_unaligned[2]; + FLAC__real *real_signal_unaligned[FLAC__MAX_CHANNELS]; /* (@@@ currently unused) */ + FLAC__real *real_signal_mid_side_unaligned[2]; /* (@@@ currently unused) */ + FLAC__real *window_unaligned[FLAC__MAX_APODIZATION_FUNCTIONS]; + FLAC__real *windowed_signal_unaligned; #endif FLAC__int32 *residual_workspace_unaligned[FLAC__MAX_CHANNELS][2]; FLAC__int32 *residual_workspace_mid_side_unaligned[2][2]; - FLAC__uint32 *abs_residual_unaligned; FLAC__uint64 *abs_residual_partition_sums_unaligned; unsigned *raw_bits_per_partition_unaligned; /* @@ -421,27 +426,38 @@ typedef struct FLAC__StreamEncoderPrivate { FLAC_API const char * const FLAC__StreamEncoderStateString[] = { "FLAC__STREAM_ENCODER_OK", + "FLAC__STREAM_ENCODER_UNINITIALIZED", + "FLAC__STREAM_ENCODER_OGG_ERROR", "FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR", "FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA", - "FLAC__STREAM_ENCODER_INVALID_CALLBACK", - "FLAC__STREAM_ENCODER_INVALID_NUMBER_OF_CHANNELS", - "FLAC__STREAM_ENCODER_INVALID_BITS_PER_SAMPLE", - "FLAC__STREAM_ENCODER_INVALID_SAMPLE_RATE", - "FLAC__STREAM_ENCODER_INVALID_BLOCK_SIZE", - "FLAC__STREAM_ENCODER_INVALID_MAX_LPC_ORDER", - "FLAC__STREAM_ENCODER_INVALID_QLP_COEFF_PRECISION", - "FLAC__STREAM_ENCODER_MID_SIDE_CHANNELS_MISMATCH", - "FLAC__STREAM_ENCODER_MID_SIDE_SAMPLE_SIZE_MISMATCH", - "FLAC__STREAM_ENCODER_ILLEGAL_MID_SIDE_FORCE", - "FLAC__STREAM_ENCODER_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER", - "FLAC__STREAM_ENCODER_NOT_STREAMABLE", + "FLAC__STREAM_ENCODER_CLIENT_ERROR", + "FLAC__STREAM_ENCODER_IO_ERROR", "FLAC__STREAM_ENCODER_FRAMING_ERROR", - "FLAC__STREAM_ENCODER_INVALID_METADATA", - "FLAC__STREAM_ENCODER_FATAL_ERROR_WHILE_ENCODING", - "FLAC__STREAM_ENCODER_FATAL_ERROR_WHILE_WRITING", - "FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR", - "FLAC__STREAM_ENCODER_ALREADY_INITIALIZED", - "FLAC__STREAM_ENCODER_UNINITIALIZED" + "FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR" +}; + +FLAC_API const char * const FLAC__StreamEncoderInitStatusString[] = { + "FLAC__STREAM_ENCODER_INIT_STATUS_OK", + "FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR", + "FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION", + "FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER", + "FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE", + "FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA", + "FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED" +}; + +FLAC_API const char * const FLAC__StreamEncoderReadStatusString[] = { + "FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE", + "FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM", + "FLAC__STREAM_ENCODER_READ_STATUS_ABORT", + "FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED" }; FLAC_API const char * const FLAC__StreamEncoderWriteStatusString[] = { @@ -449,37 +465,62 @@ FLAC_API const char * const FLAC__StreamEncoderWriteStatusString[] = { "FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR" }; +FLAC_API const char * const FLAC__StreamEncoderSeekStatusString[] = { + "FLAC__STREAM_ENCODER_SEEK_STATUS_OK", + "FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR", + "FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED" +}; + +FLAC_API const char * const FLAC__StreamEncoderTellStatusString[] = { + "FLAC__STREAM_ENCODER_TELL_STATUS_OK", + "FLAC__STREAM_ENCODER_TELL_STATUS_ERROR", + "FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED" +}; + +/* Number of samples that will be overread to watch for end of stream. By + * 'overread', we mean that the FLAC__stream_encoder_process*() calls will + * always try to read blocksize+1 samples before encoding a block, so that + * even if the stream has a total sample count that is an integral multiple + * of the blocksize, we will still notice when we are encoding the last + * block. This is needed, for example, to correctly set the end-of-stream + * marker in Ogg FLAC. + * + * WATCHOUT: some parts of the code assert that OVERREAD_ == 1 and there's + * not really any reason to change it. + */ +static const unsigned OVERREAD_ = 1; + /*********************************************************************** * * Class constructor/destructor * */ -FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new() +FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new(void) { FLAC__StreamEncoder *encoder; unsigned i; FLAC__ASSERT(sizeof(int) >= 4); /* we want to die right away if this is not true */ - encoder = (FLAC__StreamEncoder*)calloc(1, sizeof(FLAC__StreamEncoder)); + encoder = calloc(1, sizeof(FLAC__StreamEncoder)); if(encoder == 0) { return 0; } - encoder->protected_ = (FLAC__StreamEncoderProtected*)calloc(1, sizeof(FLAC__StreamEncoderProtected)); + encoder->protected_ = calloc(1, sizeof(FLAC__StreamEncoderProtected)); if(encoder->protected_ == 0) { free(encoder); return 0; } - encoder->private_ = (FLAC__StreamEncoderPrivate*)calloc(1, sizeof(FLAC__StreamEncoderPrivate)); + encoder->private_ = calloc(1, sizeof(FLAC__StreamEncoderPrivate)); if(encoder->private_ == 0) { free(encoder->protected_); free(encoder); return 0; } - encoder->private_->frame = FLAC__bitbuffer_new(); + encoder->private_->frame = FLAC__bitwriter_new(); if(encoder->private_->frame == 0) { free(encoder->private_); free(encoder->protected_); @@ -487,6 +528,8 @@ FLAC_API FLAC__StreamEncoder *FLAC__stream_encoder_new() return 0; } + encoder->private_->file = 0; + set_defaults_(encoder); encoder->private_->is_being_deleted = false; @@ -528,14 +571,16 @@ FLAC_API void FLAC__stream_encoder_delete(FLAC__StreamEncoder *encoder) { unsigned i; - FLAC__ASSERT(0 != encoder); + if (encoder == NULL) + return ; + FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(0 != encoder->private_); FLAC__ASSERT(0 != encoder->private_->frame); encoder->private_->is_being_deleted = true; - FLAC__stream_encoder_finish(encoder); + (void)FLAC__stream_encoder_finish(encoder); if(0 != encoder->private_->verify.decoder) FLAC__stream_decoder_delete(encoder->private_->verify.decoder); @@ -551,7 +596,7 @@ FLAC_API void FLAC__stream_encoder_delete(FLAC__StreamEncoder *encoder) for(i = 0; i < 2; i++) FLAC__format_entropy_coding_method_partitioned_rice_contents_clear(&encoder->private_->partitioned_rice_contents_extra[i]); - FLAC__bitbuffer_delete(encoder->private_->frame); + FLAC__bitwriter_delete(encoder->private_->frame); free(encoder->private_); free(encoder->protected_); free(encoder); @@ -563,53 +608,73 @@ FLAC_API void FLAC__stream_encoder_delete(FLAC__StreamEncoder *encoder) * ***********************************************************************/ -FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder *encoder) +static FLAC__StreamEncoderInitStatus init_stream_internal_( + FLAC__StreamEncoder *encoder, + FLAC__StreamEncoderReadCallback read_callback, + FLAC__StreamEncoderWriteCallback write_callback, + FLAC__StreamEncoderSeekCallback seek_callback, + FLAC__StreamEncoderTellCallback tell_callback, + FLAC__StreamEncoderMetadataCallback metadata_callback, + void *client_data, + FLAC__bool is_ogg +) { unsigned i; - FLAC__bool metadata_has_seektable, metadata_has_vorbis_comment; + FLAC__bool metadata_has_seektable, metadata_has_vorbis_comment, metadata_picture_has_type1, metadata_picture_has_type2; FLAC__ASSERT(0 != encoder); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) - return encoder->protected_->state = FLAC__STREAM_ENCODER_ALREADY_INITIALIZED; + return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED; - encoder->protected_->state = FLAC__STREAM_ENCODER_OK; +#if !FLAC__HAS_OGG + if(is_ogg) + return FLAC__STREAM_ENCODER_INIT_STATUS_UNSUPPORTED_CONTAINER; +#endif - if(0 == encoder->private_->write_callback || 0 == encoder->private_->metadata_callback) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_CALLBACK; + if(0 == write_callback || (seek_callback && 0 == tell_callback)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_CALLBACKS; if(encoder->protected_->channels == 0 || encoder->protected_->channels > FLAC__MAX_CHANNELS) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_NUMBER_OF_CHANNELS; - - if(encoder->protected_->do_mid_side_stereo && encoder->protected_->channels != 2) - return encoder->protected_->state = FLAC__STREAM_ENCODER_MID_SIDE_CHANNELS_MISMATCH; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_NUMBER_OF_CHANNELS; - if(encoder->protected_->loose_mid_side_stereo && !encoder->protected_->do_mid_side_stereo) - return encoder->protected_->state = FLAC__STREAM_ENCODER_ILLEGAL_MID_SIDE_FORCE; + if(encoder->protected_->channels != 2) { + encoder->protected_->do_mid_side_stereo = false; + encoder->protected_->loose_mid_side_stereo = false; + } + else if(!encoder->protected_->do_mid_side_stereo) + encoder->protected_->loose_mid_side_stereo = false; if(encoder->protected_->bits_per_sample >= 32) - encoder->protected_->do_mid_side_stereo = false; /* since we do 32-bit math, the side channel would have 33 bps and overflow */ + encoder->protected_->do_mid_side_stereo = false; /* since we currenty do 32-bit math, the side channel would have 33 bps and overflow */ if(encoder->protected_->bits_per_sample < FLAC__MIN_BITS_PER_SAMPLE || encoder->protected_->bits_per_sample > FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_BITS_PER_SAMPLE; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BITS_PER_SAMPLE; if(!FLAC__format_sample_rate_is_valid(encoder->protected_->sample_rate)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_SAMPLE_RATE; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_SAMPLE_RATE; + + if(encoder->protected_->blocksize == 0) { + if(encoder->protected_->max_lpc_order == 0) + encoder->protected_->blocksize = 1152; + else + encoder->protected_->blocksize = 4096; + } if(encoder->protected_->blocksize < FLAC__MIN_BLOCK_SIZE || encoder->protected_->blocksize > FLAC__MAX_BLOCK_SIZE) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_BLOCK_SIZE; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_BLOCK_SIZE; if(encoder->protected_->max_lpc_order > FLAC__MAX_LPC_ORDER) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_MAX_LPC_ORDER; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_MAX_LPC_ORDER; if(encoder->protected_->blocksize < encoder->protected_->max_lpc_order) - return encoder->protected_->state = FLAC__STREAM_ENCODER_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER; + return FLAC__STREAM_ENCODER_INIT_STATUS_BLOCK_SIZE_TOO_SMALL_FOR_LPC_ORDER; if(encoder->protected_->qlp_coeff_precision == 0) { if(encoder->protected_->bits_per_sample < 16) { /* @@@ need some data about how to set this here w.r.t. blocksize and sample rate */ /* @@@ until then we'll make a guess */ - encoder->protected_->qlp_coeff_precision = max(FLAC__MIN_QLP_COEFF_PRECISION, 2 + encoder->protected_->bits_per_sample / 2); + encoder->protected_->qlp_coeff_precision = flac_max(FLAC__MIN_QLP_COEFF_PRECISION, 2 + encoder->protected_->bits_per_sample / 2); } else if(encoder->protected_->bits_per_sample == 16) { if(encoder->protected_->blocksize <= 192) @@ -638,35 +703,13 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder FLAC__ASSERT(encoder->protected_->qlp_coeff_precision <= FLAC__MAX_QLP_COEFF_PRECISION); } else if(encoder->protected_->qlp_coeff_precision < FLAC__MIN_QLP_COEFF_PRECISION || encoder->protected_->qlp_coeff_precision > FLAC__MAX_QLP_COEFF_PRECISION) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_QLP_COEFF_PRECISION; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_QLP_COEFF_PRECISION; if(encoder->protected_->streamable_subset) { - if( - encoder->protected_->blocksize != 192 && - encoder->protected_->blocksize != 576 && - encoder->protected_->blocksize != 1152 && - encoder->protected_->blocksize != 2304 && - encoder->protected_->blocksize != 4608 && - encoder->protected_->blocksize != 256 && - encoder->protected_->blocksize != 512 && - encoder->protected_->blocksize != 1024 && - encoder->protected_->blocksize != 2048 && - encoder->protected_->blocksize != 4096 && - encoder->protected_->blocksize != 8192 && - encoder->protected_->blocksize != 16384 - ) - return encoder->protected_->state = FLAC__STREAM_ENCODER_NOT_STREAMABLE; - if( - encoder->protected_->sample_rate != 8000 && - encoder->protected_->sample_rate != 16000 && - encoder->protected_->sample_rate != 22050 && - encoder->protected_->sample_rate != 24000 && - encoder->protected_->sample_rate != 32000 && - encoder->protected_->sample_rate != 44100 && - encoder->protected_->sample_rate != 48000 && - encoder->protected_->sample_rate != 96000 - ) - return encoder->protected_->state = FLAC__STREAM_ENCODER_NOT_STREAMABLE; + if(!FLAC__format_blocksize_is_subset(encoder->protected_->blocksize, encoder->protected_->sample_rate)) + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + if(!FLAC__format_sample_rate_is_subset(encoder->protected_->sample_rate)) + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; if( encoder->protected_->bits_per_sample != 8 && encoder->protected_->bits_per_sample != 12 && @@ -674,9 +717,18 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder encoder->protected_->bits_per_sample != 20 && encoder->protected_->bits_per_sample != 24 ) - return encoder->protected_->state = FLAC__STREAM_ENCODER_NOT_STREAMABLE; + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; if(encoder->protected_->max_residual_partition_order > FLAC__SUBSET_MAX_RICE_PARTITION_ORDER) - return encoder->protected_->state = FLAC__STREAM_ENCODER_NOT_STREAMABLE; + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + if( + encoder->protected_->sample_rate <= 48000 && + ( + encoder->protected_->blocksize > FLAC__SUBSET_MAX_BLOCK_SIZE_48000HZ || + encoder->protected_->max_lpc_order > FLAC__SUBSET_MAX_LPC_ORDER_48000HZ + ) + ) { + return FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE; + } } if(encoder->protected_->max_residual_partition_order >= (1u << FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN)) @@ -684,29 +736,82 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder if(encoder->protected_->min_residual_partition_order >= encoder->protected_->max_residual_partition_order) encoder->protected_->min_residual_partition_order = encoder->protected_->max_residual_partition_order; +#if FLAC__HAS_OGG + /* reorder metadata if necessary to ensure that any VORBIS_COMMENT is the first, according to the mapping spec */ + if(is_ogg && 0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 1) { + unsigned i1; + for(i1 = 1; i1 < encoder->protected_->num_metadata_blocks; i1++) { + if(0 != encoder->protected_->metadata[i1] && encoder->protected_->metadata[i1]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + FLAC__StreamMetadata *vc = encoder->protected_->metadata[i1]; + for( ; i1 > 0; i1--) + encoder->protected_->metadata[i1] = encoder->protected_->metadata[i1-1]; + encoder->protected_->metadata[0] = vc; + break; + } + } + } +#endif + /* keep track of any SEEKTABLE block */ + if(0 != encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0) { + unsigned i2; + for(i2 = 0; i2 < encoder->protected_->num_metadata_blocks; i2++) { + if(0 != encoder->protected_->metadata[i2] && encoder->protected_->metadata[i2]->type == FLAC__METADATA_TYPE_SEEKTABLE) { + encoder->private_->seek_table = &encoder->protected_->metadata[i2]->data.seek_table; + break; /* take only the first one */ + } + } + } + /* validate metadata */ if(0 == encoder->protected_->metadata && encoder->protected_->num_metadata_blocks > 0) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_METADATA; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; metadata_has_seektable = false; metadata_has_vorbis_comment = false; + metadata_picture_has_type1 = false; + metadata_picture_has_type2 = false; for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) { - if(encoder->protected_->metadata[i]->type == FLAC__METADATA_TYPE_STREAMINFO) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_METADATA; - else if(encoder->protected_->metadata[i]->type == FLAC__METADATA_TYPE_SEEKTABLE) { + const FLAC__StreamMetadata *m = encoder->protected_->metadata[i]; + if(m->type == FLAC__METADATA_TYPE_STREAMINFO) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + else if(m->type == FLAC__METADATA_TYPE_SEEKTABLE) { if(metadata_has_seektable) /* only one is allowed */ - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_METADATA; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; metadata_has_seektable = true; - if(!FLAC__format_seektable_is_legal(&encoder->protected_->metadata[i]->data.seek_table)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_METADATA; + if(!FLAC__format_seektable_is_legal(&m->data.seek_table)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; } - else if(encoder->protected_->metadata[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { + else if(m->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) { if(metadata_has_vorbis_comment) /* only one is allowed */ - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_METADATA; + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; metadata_has_vorbis_comment = true; } - else if(encoder->protected_->metadata[i]->type == FLAC__METADATA_TYPE_CUESHEET) { - if(!FLAC__format_cuesheet_is_legal(&encoder->protected_->metadata[i]->data.cue_sheet, encoder->protected_->metadata[i]->data.cue_sheet.is_cd, /*violation=*/0)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_INVALID_METADATA; + else if(m->type == FLAC__METADATA_TYPE_CUESHEET) { + if(!FLAC__format_cuesheet_is_legal(&m->data.cue_sheet, m->data.cue_sheet.is_cd, /*violation=*/0)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + } + else if(m->type == FLAC__METADATA_TYPE_PICTURE) { + if(!FLAC__format_picture_is_legal(&m->data.picture, /*violation=*/0)) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) { + if(metadata_picture_has_type1) /* there should only be 1 per stream */ + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + metadata_picture_has_type1 = true; + /* standard icon must be 32x32 pixel PNG */ + if( + m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD && + ( + (strcmp(m->data.picture.mime_type, "image/png") && strcmp(m->data.picture.mime_type, "-->")) || + m->data.picture.width != 32 || + m->data.picture.height != 32 + ) + ) + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + } + else if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) { + if(metadata_picture_has_type2) /* there should only be 1 per stream */ + return FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA; + metadata_picture_has_type2 = true; + } } } @@ -723,6 +828,11 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder encoder->private_->real_signal_mid_side_unaligned[i] = encoder->private_->real_signal_mid_side[i] = 0; #endif } +#ifndef FLAC__INTEGER_ONLY_LIBRARY + for(i = 0; i < encoder->protected_->num_apodizations; i++) + encoder->private_->window_unaligned[i] = encoder->private_->window[i] = 0; + encoder->private_->windowed_signal_unaligned = encoder->private_->windowed_signal = 0; +#endif for(i = 0; i < encoder->protected_->channels; i++) { encoder->private_->residual_workspace_unaligned[i][0] = encoder->private_->residual_workspace[i][0] = 0; encoder->private_->residual_workspace_unaligned[i][1] = encoder->private_->residual_workspace[i][1] = 0; @@ -733,7 +843,6 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder encoder->private_->residual_workspace_mid_side_unaligned[i][1] = encoder->private_->residual_workspace_mid_side[i][1] = 0; encoder->private_->best_subframe_mid_side[i] = 0; } - encoder->private_->abs_residual_unaligned = encoder->private_->abs_residual = 0; encoder->private_->abs_residual_partition_sums_unaligned = encoder->private_->abs_residual_partition_sums = 0; encoder->private_->raw_bits_per_partition_unaligned = encoder->private_->raw_bits_per_partition = 0; #ifndef FLAC__INTEGER_ONLY_LIBRARY @@ -754,7 +863,7 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder encoder->private_->current_frame_number = 0; encoder->private_->use_wide_by_block = (encoder->protected_->bits_per_sample + FLAC__bitmath_ilog2(encoder->protected_->blocksize)+1 > 30); - encoder->private_->use_wide_by_order = (encoder->protected_->bits_per_sample + FLAC__bitmath_ilog2(max(encoder->protected_->max_lpc_order, FLAC__MAX_FIXED_ORDER))+1 > 30); /*@@@ need to use this? */ + encoder->private_->use_wide_by_order = (encoder->protected_->bits_per_sample + FLAC__bitmath_ilog2(flac_max(encoder->protected_->max_lpc_order, FLAC__MAX_FIXED_ORDER))+1 > 30); /*@@@ need to use this? */ encoder->private_->use_wide_by_partition = (false); /*@@@ need to set this */ /* @@ -778,7 +887,6 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder # ifdef FLAC__CPU_IA32 FLAC__ASSERT(encoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32); # ifdef FLAC__HAS_NASM -# ifdef FLAC__SSE_OS if(encoder->private_->cpuinfo.data.ia32.sse) { if(encoder->protected_->max_lpc_order < 4) encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4; @@ -789,9 +897,7 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder else encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32; } - else -# endif /* FLAC__SSE_OS */ - if(encoder->private_->cpuinfo.data.ia32._3dnow) + else if(encoder->private_->cpuinfo.data.ia32._3dnow) encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32_3dnow; else encoder->private_->local_lpc_compute_autocorrelation = FLAC__lpc_compute_autocorrelation_asm_ia32; @@ -815,16 +921,33 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder encoder->private_->local_fixed_compute_best_predictor = FLAC__fixed_compute_best_predictor_wide; } - /* we require precompute_partition_sums if do_escape_coding because of their intertwined nature */ - encoder->private_->precompute_partition_sums = (encoder->protected_->max_residual_partition_order > encoder->protected_->min_residual_partition_order) || encoder->protected_->do_escape_coding; + /* set state to OK; from here on, errors are fatal and we'll override the state then */ + encoder->protected_->state = FLAC__STREAM_ENCODER_OK; + +#if FLAC__HAS_OGG + encoder->private_->is_ogg = is_ogg; + if(is_ogg && !FLAC__ogg_encoder_aspect_init(&encoder->protected_->ogg_encoder_aspect)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } +#endif + + encoder->private_->read_callback = read_callback; + encoder->private_->write_callback = write_callback; + encoder->private_->seek_callback = seek_callback; + encoder->private_->tell_callback = tell_callback; + encoder->private_->metadata_callback = metadata_callback; + encoder->private_->client_data = client_data; if(!resize_buffers_(encoder, encoder->protected_->blocksize)) { /* the above function sets the state for us in case of an error */ - return encoder->protected_->state; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; } - if(!FLAC__bitbuffer_init(encoder->private_->frame)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + if(!FLAC__bitwriter_init(encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } /* * Set up the verify stuff if necessary @@ -834,27 +957,30 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder * First, set up the fifo which will hold the * original signal to compare against */ - encoder->private_->verify.input_fifo.size = encoder->protected_->blocksize; + encoder->private_->verify.input_fifo.size = encoder->protected_->blocksize+OVERREAD_; for(i = 0; i < encoder->protected_->channels; i++) { - if(0 == (encoder->private_->verify.input_fifo.data[i] = (FLAC__int32*)malloc(sizeof(FLAC__int32) * encoder->private_->verify.input_fifo.size))) - return encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + if(0 == (encoder->private_->verify.input_fifo.data[i] = safe_malloc_mul_2op_p(sizeof(FLAC__int32), /*times*/encoder->private_->verify.input_fifo.size))) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } } encoder->private_->verify.input_fifo.tail = 0; /* * Now set up a stream decoder for verification */ - encoder->private_->verify.decoder = FLAC__stream_decoder_new(); - if(0 == encoder->private_->verify.decoder) - return encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; - - FLAC__stream_decoder_set_read_callback(encoder->private_->verify.decoder, verify_read_callback_); - FLAC__stream_decoder_set_write_callback(encoder->private_->verify.decoder, verify_write_callback_); - FLAC__stream_decoder_set_metadata_callback(encoder->private_->verify.decoder, verify_metadata_callback_); - FLAC__stream_decoder_set_error_callback(encoder->private_->verify.decoder, verify_error_callback_); - FLAC__stream_decoder_set_client_data(encoder->private_->verify.decoder, encoder); - if(FLAC__stream_decoder_init(encoder->private_->verify.decoder) != FLAC__STREAM_DECODER_SEARCH_FOR_METADATA) - return encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; + if(0 == encoder->private_->verify.decoder) { + encoder->private_->verify.decoder = FLAC__stream_decoder_new(); + if(0 == encoder->private_->verify.decoder) { + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + } + + if(FLAC__stream_decoder_init_stream(encoder->private_->verify.decoder, verify_read_callback_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, verify_write_callback_, verify_metadata_callback_, verify_error_callback_, /*client_data=*/encoder) != FLAC__STREAM_DECODER_INIT_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } } encoder->private_->verify.error_stats.absolute_sample = 0; encoder->private_->verify.error_stats.frame_number = 0; @@ -864,15 +990,27 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder encoder->private_->verify.error_stats.got = 0; /* + * These must be done before we write any metadata, because that + * calls the write_callback, which uses these values. + */ + encoder->private_->first_seekpoint_to_check = 0; + encoder->private_->samples_written = 0; + encoder->protected_->streaminfo_offset = 0; + encoder->protected_->seektable_offset = 0; + encoder->protected_->audio_offset = 0; + + /* * write the stream header */ if(encoder->protected_->verify) encoder->private_->verify.state_hint = ENCODER_IN_MAGIC; - if(!FLAC__bitbuffer_write_raw_uint32(encoder->private_->frame, FLAC__STREAM_SYNC, FLAC__STREAM_SYNC_LEN)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; - if(!write_bitbuffer_(encoder, 0)) { + if(!FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, FLAC__STREAM_SYNC, FLAC__STREAM_SYNC_LEN)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { /* the above function sets the state for us in case of an error */ - return encoder->protected_->state; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; } /* @@ -880,45 +1018,46 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder */ if(encoder->protected_->verify) encoder->private_->verify.state_hint = ENCODER_IN_METADATA; - encoder->private_->metadata.type = FLAC__METADATA_TYPE_STREAMINFO; - encoder->private_->metadata.is_last = false; /* we will have at a minimum a VORBIS_COMMENT afterwards */ - encoder->private_->metadata.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; - encoder->private_->metadata.data.stream_info.min_blocksize = encoder->protected_->blocksize; /* this encoder uses the same blocksize for the whole stream */ - encoder->private_->metadata.data.stream_info.max_blocksize = encoder->protected_->blocksize; - encoder->private_->metadata.data.stream_info.min_framesize = 0; /* we don't know this yet; have to fill it in later */ - encoder->private_->metadata.data.stream_info.max_framesize = 0; /* we don't know this yet; have to fill it in later */ - encoder->private_->metadata.data.stream_info.sample_rate = encoder->protected_->sample_rate; - encoder->private_->metadata.data.stream_info.channels = encoder->protected_->channels; - encoder->private_->metadata.data.stream_info.bits_per_sample = encoder->protected_->bits_per_sample; - encoder->private_->metadata.data.stream_info.total_samples = encoder->protected_->total_samples_estimate; /* we will replace this later with the real total */ - memset(encoder->private_->metadata.data.stream_info.md5sum, 0, 16); /* we don't know this yet; have to fill it in later */ - FLAC__MD5Init(&encoder->private_->md5context); - if(!FLAC__bitbuffer_clear(encoder->private_->frame)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; - if(!FLAC__add_metadata_block(&encoder->private_->metadata, encoder->private_->frame)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; - if(!write_bitbuffer_(encoder, 0)) { + encoder->private_->streaminfo.type = FLAC__METADATA_TYPE_STREAMINFO; + encoder->private_->streaminfo.is_last = false; /* we will have at a minimum a VORBIS_COMMENT afterwards */ + encoder->private_->streaminfo.length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH; + encoder->private_->streaminfo.data.stream_info.min_blocksize = encoder->protected_->blocksize; /* this encoder uses the same blocksize for the whole stream */ + encoder->private_->streaminfo.data.stream_info.max_blocksize = encoder->protected_->blocksize; + encoder->private_->streaminfo.data.stream_info.min_framesize = 0; /* we don't know this yet; have to fill it in later */ + encoder->private_->streaminfo.data.stream_info.max_framesize = 0; /* we don't know this yet; have to fill it in later */ + encoder->private_->streaminfo.data.stream_info.sample_rate = encoder->protected_->sample_rate; + encoder->private_->streaminfo.data.stream_info.channels = encoder->protected_->channels; + encoder->private_->streaminfo.data.stream_info.bits_per_sample = encoder->protected_->bits_per_sample; + encoder->private_->streaminfo.data.stream_info.total_samples = encoder->protected_->total_samples_estimate; /* we will replace this later with the real total */ + memset(encoder->private_->streaminfo.data.stream_info.md5sum, 0, 16); /* we don't know this yet; have to fill it in later */ + if(encoder->protected_->do_md5) + FLAC__MD5Init(&encoder->private_->md5context); + if(!FLAC__add_metadata_block(&encoder->private_->streaminfo, encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { /* the above function sets the state for us in case of an error */ - return encoder->protected_->state; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; } /* * Now that the STREAMINFO block is written, we can init this to an * absurdly-high value... */ - encoder->private_->metadata.data.stream_info.min_framesize = (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN) - 1; + encoder->private_->streaminfo.data.stream_info.min_framesize = (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN) - 1; /* ... and clear this to 0 */ - encoder->private_->metadata.data.stream_info.total_samples = 0; + encoder->private_->streaminfo.data.stream_info.total_samples = 0; /* * Check to see if the supplied metadata contains a VORBIS_COMMENT; * if not, we will write an empty one (FLAC__add_metadata_block() * automatically supplies the vendor string). * - * WATCHOUT: libOggFLAC depends on us to write this block after the - * STREAMINFO since that's what the mapping requires. (In the case - * that metadata_has_vorbis_comment is true it will have already - * insured that the metadata list is properly ordered.) + * WATCHOUT: the Ogg FLAC mapping requires us to write this block after + * the STREAMINFO. (In the case that metadata_has_vorbis_comment is + * true it will have already insured that the metadata list is properly + * ordered.) */ if(!metadata_has_vorbis_comment) { FLAC__StreamMetadata vorbis_comment; @@ -929,13 +1068,13 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder vorbis_comment.data.vorbis_comment.vendor_string.entry = 0; vorbis_comment.data.vorbis_comment.num_comments = 0; vorbis_comment.data.vorbis_comment.comments = 0; - if(!FLAC__bitbuffer_clear(encoder->private_->frame)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; - if(!FLAC__add_metadata_block(&vorbis_comment, encoder->private_->frame)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; - if(!write_bitbuffer_(encoder, 0)) { + if(!FLAC__add_metadata_block(&vorbis_comment, encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { /* the above function sets the state for us in case of an error */ - return encoder->protected_->state; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; } } @@ -944,54 +1083,293 @@ FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_init(FLAC__StreamEncoder */ for(i = 0; i < encoder->protected_->num_metadata_blocks; i++) { encoder->protected_->metadata[i]->is_last = (i == encoder->protected_->num_metadata_blocks - 1); - if(!FLAC__bitbuffer_clear(encoder->private_->frame)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; - if(!FLAC__add_metadata_block(encoder->protected_->metadata[i], encoder->private_->frame)) - return encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; - if(!write_bitbuffer_(encoder, 0)) { + if(!FLAC__add_metadata_block(encoder->protected_->metadata[i], encoder->private_->frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(!write_bitbuffer_(encoder, 0, /*is_last_block=*/false)) { /* the above function sets the state for us in case of an error */ - return encoder->protected_->state; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; } } + /* now that all the metadata is written, we save the stream offset */ + if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &encoder->protected_->audio_offset, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) { /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */ + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + if(encoder->protected_->verify) encoder->private_->verify.state_hint = ENCODER_IN_AUDIO; - return encoder->protected_->state; + return FLAC__STREAM_ENCODER_INIT_STATUS_OK; +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_stream( + FLAC__StreamEncoder *encoder, + FLAC__StreamEncoderWriteCallback write_callback, + FLAC__StreamEncoderSeekCallback seek_callback, + FLAC__StreamEncoderTellCallback tell_callback, + FLAC__StreamEncoderMetadataCallback metadata_callback, + void *client_data +) +{ + return init_stream_internal_( + encoder, + /*read_callback=*/0, + write_callback, + seek_callback, + tell_callback, + metadata_callback, + client_data, + /*is_ogg=*/false + ); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_stream( + FLAC__StreamEncoder *encoder, + FLAC__StreamEncoderReadCallback read_callback, + FLAC__StreamEncoderWriteCallback write_callback, + FLAC__StreamEncoderSeekCallback seek_callback, + FLAC__StreamEncoderTellCallback tell_callback, + FLAC__StreamEncoderMetadataCallback metadata_callback, + void *client_data +) +{ + return init_stream_internal_( + encoder, + read_callback, + write_callback, + seek_callback, + tell_callback, + metadata_callback, + client_data, + /*is_ogg=*/true + ); +} + +static FLAC__StreamEncoderInitStatus init_FILE_internal_( + FLAC__StreamEncoder *encoder, + FILE *file, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + FLAC__StreamEncoderInitStatus init_status; + + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != file); + + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED; + + /* double protection */ + if(file == 0) { + encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + /* + * To make sure that our file does not go unclosed after an error, we + * must assign the FILE pointer before any further error can occur in + * this routine. + */ + if(file == stdout) + file = get_binary_stdout_(); /* just to be safe */ + + encoder->private_->file = file; + + encoder->private_->progress_callback = progress_callback; + encoder->private_->bytes_written = 0; + encoder->private_->samples_written = 0; + encoder->private_->frames_written = 0; + + init_status = init_stream_internal_( + encoder, + encoder->private_->file == stdout? 0 : is_ogg? file_read_callback_ : 0, + file_write_callback_, + encoder->private_->file == stdout? 0 : file_seek_callback_, + encoder->private_->file == stdout? 0 : file_tell_callback_, + /*metadata_callback=*/0, + client_data, + is_ogg + ); + if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) { + /* the above function sets the state for us in case of an error */ + return init_status; + } + + { + unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder); + + FLAC__ASSERT(blocksize != 0); + encoder->private_->total_frames_estimate = (unsigned)((FLAC__stream_encoder_get_total_samples_estimate(encoder) + blocksize - 1) / blocksize); + } + + return init_status; +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_FILE( + FLAC__StreamEncoder *encoder, + FILE *file, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/false); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_FILE( + FLAC__StreamEncoder *encoder, + FILE *file, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_FILE_internal_(encoder, file, progress_callback, client_data, /*is_ogg=*/true); +} + +static FLAC__StreamEncoderInitStatus init_file_internal_( + FLAC__StreamEncoder *encoder, + const char *filename, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data, + FLAC__bool is_ogg +) +{ + FILE *file; + + FLAC__ASSERT(0 != encoder); + + /* + * To make sure that our file does not go unclosed after an error, we + * have to do the same entrance checks here that are later performed + * in FLAC__stream_encoder_init_FILE() before the FILE* is assigned. + */ + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return FLAC__STREAM_ENCODER_INIT_STATUS_ALREADY_INITIALIZED; + + file = filename? fopen(filename, "w+b") : stdout; + + if(file == 0) { + encoder->protected_->state = FLAC__STREAM_ENCODER_IO_ERROR; + return FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR; + } + + return init_FILE_internal_(encoder, file, progress_callback, client_data, is_ogg); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_file( + FLAC__StreamEncoder *encoder, + const char *filename, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/false); +} + +FLAC_API FLAC__StreamEncoderInitStatus FLAC__stream_encoder_init_ogg_file( + FLAC__StreamEncoder *encoder, + const char *filename, + FLAC__StreamEncoderProgressCallback progress_callback, + void *client_data +) +{ + return init_file_internal_(encoder, filename, progress_callback, client_data, /*is_ogg=*/true); } -FLAC_API void FLAC__stream_encoder_finish(FLAC__StreamEncoder *encoder) +FLAC_API FLAC__bool FLAC__stream_encoder_finish(FLAC__StreamEncoder *encoder) { + FLAC__bool error = false; + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state == FLAC__STREAM_ENCODER_UNINITIALIZED) - return; + return true; if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK && !encoder->private_->is_being_deleted) { if(encoder->private_->current_sample_number != 0) { + const FLAC__bool is_fractional_block = encoder->protected_->blocksize != encoder->private_->current_sample_number; encoder->protected_->blocksize = encoder->private_->current_sample_number; - process_frame_(encoder, true); /* true => is last frame */ + if(!process_frame_(encoder, is_fractional_block, /*is_last_block=*/true)) + error = true; } } - FLAC__MD5Final(encoder->private_->metadata.data.stream_info.md5sum, &encoder->private_->md5context); + if(encoder->protected_->do_md5) + FLAC__MD5Final(encoder->private_->streaminfo.data.stream_info.md5sum, &encoder->private_->md5context); - if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK && !encoder->private_->is_being_deleted) { - encoder->private_->metadata_callback(encoder, &encoder->private_->metadata, encoder->private_->client_data); + if(!encoder->private_->is_being_deleted) { + if(encoder->protected_->state == FLAC__STREAM_ENCODER_OK) { + if(encoder->private_->seek_callback) { +#if FLAC__HAS_OGG + if(encoder->private_->is_ogg) + update_ogg_metadata_(encoder); + else +#endif + update_metadata_(encoder); + + /* check if an error occurred while updating metadata */ + if(encoder->protected_->state != FLAC__STREAM_ENCODER_OK) + error = true; + } + if(encoder->private_->metadata_callback) + encoder->private_->metadata_callback(encoder, &encoder->private_->streaminfo, encoder->private_->client_data); + } + + if(encoder->protected_->verify && 0 != encoder->private_->verify.decoder && !FLAC__stream_decoder_finish(encoder->private_->verify.decoder)) { + if(!error) + encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA; + error = true; + } + } + + if(0 != encoder->private_->file) { + if(encoder->private_->file != stdout) + fclose(encoder->private_->file); + encoder->private_->file = 0; } - if(encoder->protected_->verify && 0 != encoder->private_->verify.decoder) - FLAC__stream_decoder_finish(encoder->private_->verify.decoder); +#if FLAC__HAS_OGG + if(encoder->private_->is_ogg) + FLAC__ogg_encoder_aspect_finish(&encoder->protected_->ogg_encoder_aspect); +#endif free_(encoder); set_defaults_(encoder); - encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED; + if(!error) + encoder->protected_->state = FLAC__STREAM_ENCODER_UNINITIALIZED; + + return !error; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_ogg_serial_number(FLAC__StreamEncoder *encoder, long value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; +#if FLAC__HAS_OGG + /* can't check encoder->private_->is_ogg since that's not set until init time */ + FLAC__ogg_encoder_aspect_set_serial_number(&encoder->protected_->ogg_encoder_aspect, value); + return true; +#else + (void)value; + return false; +#endif } FLAC_API FLAC__bool FLAC__stream_encoder_set_verify(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; #ifndef FLAC__MANDATORY_VERIFY_WHILE_ENCODING @@ -1003,69 +1381,202 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_verify(FLAC__StreamEncoder *encoder FLAC_API FLAC__bool FLAC__stream_encoder_set_streamable_subset(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->streamable_subset = value; return true; } -FLAC_API FLAC__bool FLAC__stream_encoder_set_do_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value) +FLAC_API FLAC__bool FLAC__stream_encoder_set_do_md5(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; - encoder->protected_->do_mid_side_stereo = value; + encoder->protected_->do_md5 = value; return true; } -FLAC_API FLAC__bool FLAC__stream_encoder_set_loose_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value) +FLAC_API FLAC__bool FLAC__stream_encoder_set_channels(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; - encoder->protected_->loose_mid_side_stereo = value; + encoder->protected_->channels = value; return true; } -FLAC_API FLAC__bool FLAC__stream_encoder_set_channels(FLAC__StreamEncoder *encoder, unsigned value) +FLAC_API FLAC__bool FLAC__stream_encoder_set_bits_per_sample(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; - encoder->protected_->channels = value; + encoder->protected_->bits_per_sample = value; return true; } -FLAC_API FLAC__bool FLAC__stream_encoder_set_bits_per_sample(FLAC__StreamEncoder *encoder, unsigned value) +FLAC_API FLAC__bool FLAC__stream_encoder_set_sample_rate(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; - encoder->protected_->bits_per_sample = value; + encoder->protected_->sample_rate = value; return true; } -FLAC_API FLAC__bool FLAC__stream_encoder_set_sample_rate(FLAC__StreamEncoder *encoder, unsigned value) +FLAC_API FLAC__bool FLAC__stream_encoder_set_compression_level(FLAC__StreamEncoder *encoder, unsigned value) { + FLAC__bool ok = true; FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; - encoder->protected_->sample_rate = value; - return true; + if(value >= sizeof(compression_levels_)/sizeof(compression_levels_[0])) + value = sizeof(compression_levels_)/sizeof(compression_levels_[0]) - 1; + ok &= FLAC__stream_encoder_set_do_mid_side_stereo (encoder, compression_levels_[value].do_mid_side_stereo); + ok &= FLAC__stream_encoder_set_loose_mid_side_stereo (encoder, compression_levels_[value].loose_mid_side_stereo); +#ifndef FLAC__INTEGER_ONLY_LIBRARY +#if 0 + /* was: */ + ok &= FLAC__stream_encoder_set_apodization (encoder, compression_levels_[value].apodization); + /* but it's too hard to specify the string in a locale-specific way */ +#else + encoder->protected_->num_apodizations = 1; + encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY; + encoder->protected_->apodizations[0].parameters.tukey.p = 0.5; +#endif +#endif + ok &= FLAC__stream_encoder_set_max_lpc_order (encoder, compression_levels_[value].max_lpc_order); + ok &= FLAC__stream_encoder_set_qlp_coeff_precision (encoder, compression_levels_[value].qlp_coeff_precision); + ok &= FLAC__stream_encoder_set_do_qlp_coeff_prec_search (encoder, compression_levels_[value].do_qlp_coeff_prec_search); + ok &= FLAC__stream_encoder_set_do_escape_coding (encoder, compression_levels_[value].do_escape_coding); + ok &= FLAC__stream_encoder_set_do_exhaustive_model_search (encoder, compression_levels_[value].do_exhaustive_model_search); + ok &= FLAC__stream_encoder_set_min_residual_partition_order(encoder, compression_levels_[value].min_residual_partition_order); + ok &= FLAC__stream_encoder_set_max_residual_partition_order(encoder, compression_levels_[value].max_residual_partition_order); + ok &= FLAC__stream_encoder_set_rice_parameter_search_dist (encoder, compression_levels_[value].rice_parameter_search_dist); + return ok; } FLAC_API FLAC__bool FLAC__stream_encoder_set_blocksize(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->blocksize = value; return true; } +FLAC_API FLAC__bool FLAC__stream_encoder_set_do_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->do_mid_side_stereo = value; + return true; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_set_loose_mid_side_stereo(FLAC__StreamEncoder *encoder, FLAC__bool value) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; + encoder->protected_->loose_mid_side_stereo = value; + return true; +} + +/*@@@@add to tests*/ +FLAC_API FLAC__bool FLAC__stream_encoder_set_apodization(FLAC__StreamEncoder *encoder, const char *specification) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + FLAC__ASSERT(0 != specification); + if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + return false; +#ifdef FLAC__INTEGER_ONLY_LIBRARY + (void)specification; /* silently ignore since we haven't integerized; will always use a rectangular window */ +#else + encoder->protected_->num_apodizations = 0; + while(1) { + const char *s = strchr(specification, ';'); + const size_t n = s? (size_t)(s - specification) : strlen(specification); + if (n==8 && 0 == strncmp("bartlett" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT; + else if(n==13 && 0 == strncmp("bartlett_hann", specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BARTLETT_HANN; + else if(n==8 && 0 == strncmp("blackman" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN; + else if(n==26 && 0 == strncmp("blackman_harris_4term_92db", specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE; + else if(n==6 && 0 == strncmp("connes" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_CONNES; + else if(n==7 && 0 == strncmp("flattop" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_FLATTOP; + else if(n>7 && 0 == strncmp("gauss(" , specification, 6)) { + FLAC__real stddev = (FLAC__real)strtod(specification+6, 0); + if (stddev > 0.0 && stddev <= 0.5) { + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.gauss.stddev = stddev; + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_GAUSS; + } + } + else if(n==7 && 0 == strncmp("hamming" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HAMMING; + else if(n==4 && 0 == strncmp("hann" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_HANN; + else if(n==13 && 0 == strncmp("kaiser_bessel", specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_KAISER_BESSEL; + else if(n==7 && 0 == strncmp("nuttall" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_NUTTALL; + else if(n==9 && 0 == strncmp("rectangle" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_RECTANGLE; + else if(n==8 && 0 == strncmp("triangle" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TRIANGLE; + else if(n>7 && 0 == strncmp("tukey(" , specification, 6)) { + FLAC__real p = (FLAC__real)strtod(specification+6, 0); + if (p >= 0.0 && p <= 1.0) { + encoder->protected_->apodizations[encoder->protected_->num_apodizations].parameters.tukey.p = p; + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_TUKEY; + } + } + else if(n==5 && 0 == strncmp("welch" , specification, n)) + encoder->protected_->apodizations[encoder->protected_->num_apodizations++].type = FLAC__APODIZATION_WELCH; + if (encoder->protected_->num_apodizations == 32) + break; + if (s) + specification = s+1; + else + break; + } + if(encoder->protected_->num_apodizations == 0) { + encoder->protected_->num_apodizations = 1; + encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY; + encoder->protected_->apodizations[0].parameters.tukey.p = 0.5; + } +#endif + return true; +} + FLAC_API FLAC__bool FLAC__stream_encoder_set_max_lpc_order(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->max_lpc_order = value; @@ -1075,6 +1586,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_max_lpc_order(FLAC__StreamEncoder * FLAC_API FLAC__bool FLAC__stream_encoder_set_qlp_coeff_precision(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->qlp_coeff_precision = value; @@ -1084,6 +1597,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_qlp_coeff_precision(FLAC__StreamEnc FLAC_API FLAC__bool FLAC__stream_encoder_set_do_qlp_coeff_prec_search(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->do_qlp_coeff_prec_search = value; @@ -1093,6 +1608,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_do_qlp_coeff_prec_search(FLAC__Stre FLAC_API FLAC__bool FLAC__stream_encoder_set_do_escape_coding(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; #if 0 @@ -1107,6 +1624,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_do_escape_coding(FLAC__StreamEncode FLAC_API FLAC__bool FLAC__stream_encoder_set_do_exhaustive_model_search(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->do_exhaustive_model_search = value; @@ -1116,6 +1635,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_do_exhaustive_model_search(FLAC__St FLAC_API FLAC__bool FLAC__stream_encoder_set_min_residual_partition_order(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->min_residual_partition_order = value; @@ -1125,6 +1646,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_min_residual_partition_order(FLAC__ FLAC_API FLAC__bool FLAC__stream_encoder_set_max_residual_partition_order(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->max_residual_partition_order = value; @@ -1134,6 +1657,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_max_residual_partition_order(FLAC__ FLAC_API FLAC__bool FLAC__stream_encoder_set_rice_parameter_search_dist(FLAC__StreamEncoder *encoder, unsigned value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; #if 0 @@ -1148,6 +1673,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_rice_parameter_search_dist(FLAC__St FLAC_API FLAC__bool FLAC__stream_encoder_set_total_samples_estimate(FLAC__StreamEncoder *encoder, FLAC__uint64 value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->protected_->total_samples_estimate = value; @@ -1157,39 +1684,32 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_total_samples_estimate(FLAC__Stream FLAC_API FLAC__bool FLAC__stream_encoder_set_metadata(FLAC__StreamEncoder *encoder, FLAC__StreamMetadata **metadata, unsigned num_blocks) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; - encoder->protected_->metadata = metadata; - encoder->protected_->num_metadata_blocks = num_blocks; - return true; -} - -FLAC_API FLAC__bool FLAC__stream_encoder_set_write_callback(FLAC__StreamEncoder *encoder, FLAC__StreamEncoderWriteCallback value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != value); - if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) - return false; - encoder->private_->write_callback = value; - return true; -} - -FLAC_API FLAC__bool FLAC__stream_encoder_set_metadata_callback(FLAC__StreamEncoder *encoder, FLAC__StreamEncoderMetadataCallback value) -{ - FLAC__ASSERT(0 != encoder); - FLAC__ASSERT(0 != value); - if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) - return false; - encoder->private_->metadata_callback = value; - return true; -} - -FLAC_API FLAC__bool FLAC__stream_encoder_set_client_data(FLAC__StreamEncoder *encoder, void *value) -{ - FLAC__ASSERT(0 != encoder); - if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) + if(0 == metadata) + num_blocks = 0; + if(0 == num_blocks) + metadata = 0; + /* realloc() does not do exactly what we want so... */ + if(encoder->protected_->metadata) { + free(encoder->protected_->metadata); + encoder->protected_->metadata = 0; + encoder->protected_->num_metadata_blocks = 0; + } + if(num_blocks) { + FLAC__StreamMetadata **m; + if(0 == (m = safe_malloc_mul_2op_p(sizeof(m[0]), /*times*/num_blocks))) + return false; + memcpy(m, metadata, sizeof(m[0]) * num_blocks); + encoder->protected_->metadata = m; + encoder->protected_->num_metadata_blocks = num_blocks; + } +#if FLAC__HAS_OGG + if(!FLAC__ogg_encoder_aspect_set_num_metadata(&encoder->protected_->ogg_encoder_aspect, num_blocks)) return false; - encoder->private_->client_data = value; +#endif return true; } @@ -1200,6 +1720,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_set_client_data(FLAC__StreamEncoder *en FLAC_API FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->private_->disable_constant_subframes = value; @@ -1209,6 +1731,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__Stream FLAC_API FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->private_->disable_fixed_subframes = value; @@ -1218,6 +1742,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEnc FLAC_API FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_UNINITIALIZED) return false; encoder->private_->disable_verbatim_subframes = value; @@ -1227,12 +1753,16 @@ FLAC_API FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__Stream FLAC_API FLAC__StreamEncoderState FLAC__stream_encoder_get_state(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->state; } FLAC_API FLAC__StreamDecoderState FLAC__stream_encoder_get_verify_decoder_state(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->verify) return FLAC__stream_decoder_get_state(encoder->private_->verify.decoder); else @@ -1241,6 +1771,9 @@ FLAC_API FLAC__StreamDecoderState FLAC__stream_encoder_get_verify_decoder_state( FLAC_API const char *FLAC__stream_encoder_get_resolved_state_string(const FLAC__StreamEncoder *encoder) { + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) return FLAC__StreamEncoderStateString[encoder->protected_->state]; else @@ -1250,6 +1783,8 @@ FLAC_API const char *FLAC__stream_encoder_get_resolved_state_string(const FLAC__ FLAC_API void FLAC__stream_encoder_get_verify_decoder_error_stats(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_sample, unsigned *frame_number, unsigned *channel, unsigned *sample, FLAC__int32 *expected, FLAC__int32 *got) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); if(0 != absolute_sample) *absolute_sample = encoder->private_->verify.error_stats.absolute_sample; if(0 != frame_number) @@ -1267,231 +1802,195 @@ FLAC_API void FLAC__stream_encoder_get_verify_decoder_error_stats(const FLAC__St FLAC_API FLAC__bool FLAC__stream_encoder_get_verify(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->verify; } FLAC_API FLAC__bool FLAC__stream_encoder_get_streamable_subset(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->streamable_subset; } -FLAC_API FLAC__bool FLAC__stream_encoder_get_do_mid_side_stereo(const FLAC__StreamEncoder *encoder) -{ - FLAC__ASSERT(0 != encoder); - return encoder->protected_->do_mid_side_stereo; -} - -FLAC_API FLAC__bool FLAC__stream_encoder_get_loose_mid_side_stereo(const FLAC__StreamEncoder *encoder) +FLAC_API FLAC__bool FLAC__stream_encoder_get_do_md5(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); - return encoder->protected_->loose_mid_side_stereo; + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->do_md5; } FLAC_API unsigned FLAC__stream_encoder_get_channels(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->channels; } FLAC_API unsigned FLAC__stream_encoder_get_bits_per_sample(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->bits_per_sample; } FLAC_API unsigned FLAC__stream_encoder_get_sample_rate(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->sample_rate; } FLAC_API unsigned FLAC__stream_encoder_get_blocksize(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->blocksize; } +FLAC_API FLAC__bool FLAC__stream_encoder_get_do_mid_side_stereo(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->do_mid_side_stereo; +} + +FLAC_API FLAC__bool FLAC__stream_encoder_get_loose_mid_side_stereo(const FLAC__StreamEncoder *encoder) +{ + FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); + return encoder->protected_->loose_mid_side_stereo; +} + FLAC_API unsigned FLAC__stream_encoder_get_max_lpc_order(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->max_lpc_order; } FLAC_API unsigned FLAC__stream_encoder_get_qlp_coeff_precision(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->qlp_coeff_precision; } FLAC_API FLAC__bool FLAC__stream_encoder_get_do_qlp_coeff_prec_search(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->do_qlp_coeff_prec_search; } FLAC_API FLAC__bool FLAC__stream_encoder_get_do_escape_coding(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->do_escape_coding; } FLAC_API FLAC__bool FLAC__stream_encoder_get_do_exhaustive_model_search(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->do_exhaustive_model_search; } FLAC_API unsigned FLAC__stream_encoder_get_min_residual_partition_order(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->min_residual_partition_order; } FLAC_API unsigned FLAC__stream_encoder_get_max_residual_partition_order(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->max_residual_partition_order; } FLAC_API unsigned FLAC__stream_encoder_get_rice_parameter_search_dist(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->rice_parameter_search_dist; } FLAC_API FLAC__uint64 FLAC__stream_encoder_get_total_samples_estimate(const FLAC__StreamEncoder *encoder) { FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); return encoder->protected_->total_samples_estimate; } FLAC_API FLAC__bool FLAC__stream_encoder_process(FLAC__StreamEncoder *encoder, const FLAC__int32 * const buffer[], unsigned samples) { - unsigned i, j, channel; - FLAC__int32 x, mid, side; + unsigned i, j = 0, channel; const unsigned channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize; FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK); - j = 0; - /* - * we have several flavors of the same basic loop, optimized for - * different conditions: - */ - if(encoder->protected_->max_lpc_order > 0) { - if(encoder->protected_->do_mid_side_stereo && channels == 2) { - /* - * stereo coding: unroll channel loop - * with LPC: calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); + do { + const unsigned n = flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j); - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - x = mid = side = buffer[0][j]; - encoder->private_->integer_signal[0][i] = x; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal[0][i] = (FLAC__real)x; -#endif - x = buffer[1][j]; - encoder->private_->integer_signal[1][i] = x; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal[1][i] = (FLAC__real)x; -#endif - mid += x; - side -= x; - mid >>= 1; /* NOTE: not the same as 'mid = (buffer[0][j] + buffer[1][j]) / 2' ! */ - encoder->private_->integer_signal_mid_side[1][i] = side; - encoder->private_->integer_signal_mid_side[0][i] = mid; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal_mid_side[1][i] = (FLAC__real)side; - encoder->private_->real_signal_mid_side[0][i] = (FLAC__real)mid; -#endif - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); - } - else { - /* - * independent channel coding: buffer each channel in inner loop - * with LPC: calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); - - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - for(channel = 0; channel < channels; channel++) { - x = buffer[channel][j]; - encoder->private_->integer_signal[channel][i] = x; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal[channel][i] = (FLAC__real)x; -#endif - } - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); - } - } - else { - if(encoder->protected_->do_mid_side_stereo && channels == 2) { - /* - * stereo coding: unroll channel loop - * without LPC: no need to calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); - - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - encoder->private_->integer_signal[0][i] = mid = side = buffer[0][j]; - x = buffer[1][j]; - encoder->private_->integer_signal[1][i] = x; - mid += x; - side -= x; - mid >>= 1; /* NOTE: not the same as 'mid = (buffer[0][j] + buffer[1][j]) / 2' ! */ - encoder->private_->integer_signal_mid_side[1][i] = side; - encoder->private_->integer_signal_mid_side[0][i] = mid; - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); + if(encoder->protected_->verify) + append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, n); + + for(channel = 0; channel < channels; channel++) + memcpy(&encoder->private_->integer_signal[channel][encoder->private_->current_sample_number], &buffer[channel][j], sizeof(buffer[channel][0]) * n); + + if(encoder->protected_->do_mid_side_stereo) { + FLAC__ASSERT(channels == 2); + /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */ + for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) { + encoder->private_->integer_signal_mid_side[1][i] = buffer[0][j] - buffer[1][j]; + encoder->private_->integer_signal_mid_side[0][i] = (buffer[0][j] + buffer[1][j]) >> 1; /* NOTE: not the same as 'mid = (buffer[0][j] + buffer[1][j]) / 2' ! */ + } } - else { - /* - * independent channel coding: buffer each channel in inner loop - * without LPC: no need to calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); - - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - for(channel = 0; channel < channels; channel++) - encoder->private_->integer_signal[channel][i] = buffer[channel][j]; - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); + else + j += n; + + encoder->private_->current_sample_number += n; + + /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */ + if(encoder->private_->current_sample_number > blocksize) { + FLAC__ASSERT(encoder->private_->current_sample_number == blocksize+OVERREAD_); + FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */ + if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false)) + return false; + /* move unprocessed overread samples to beginnings of arrays */ + for(channel = 0; channel < channels; channel++) + encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize]; + if(encoder->protected_->do_mid_side_stereo) { + encoder->private_->integer_signal_mid_side[0][0] = encoder->private_->integer_signal_mid_side[0][blocksize]; + encoder->private_->integer_signal_mid_side[1][0] = encoder->private_->integer_signal_mid_side[1][blocksize]; + } + encoder->private_->current_sample_number = 1; } - } + } while(j < samples); return true; } @@ -1503,6 +2002,8 @@ FLAC_API FLAC__bool FLAC__stream_encoder_process_interleaved(FLAC__StreamEncoder const unsigned channels = encoder->protected_->channels, blocksize = encoder->protected_->blocksize; FLAC__ASSERT(0 != encoder); + FLAC__ASSERT(0 != encoder->private_); + FLAC__ASSERT(0 != encoder->protected_); FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK); j = k = 0; @@ -1510,117 +2011,67 @@ FLAC_API FLAC__bool FLAC__stream_encoder_process_interleaved(FLAC__StreamEncoder * we have several flavors of the same basic loop, optimized for * different conditions: */ - if(encoder->protected_->max_lpc_order > 0) { - if(encoder->protected_->do_mid_side_stereo && channels == 2) { - /* - * stereo coding: unroll channel loop - * with LPC: calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); - - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - x = mid = side = buffer[k++]; - encoder->private_->integer_signal[0][i] = x; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal[0][i] = (FLAC__real)x; -#endif - x = buffer[k++]; - encoder->private_->integer_signal[1][i] = x; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal[1][i] = (FLAC__real)x; -#endif - mid += x; - side -= x; - mid >>= 1; /* NOTE: not the same as 'mid = (left + right) / 2' ! */ - encoder->private_->integer_signal_mid_side[1][i] = side; - encoder->private_->integer_signal_mid_side[0][i] = mid; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal_mid_side[1][i] = (FLAC__real)side; - encoder->private_->real_signal_mid_side[0][i] = (FLAC__real)mid; -#endif - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); - } - else { - /* - * independent channel coding: buffer each channel in inner loop - * with LPC: calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); - - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - for(channel = 0; channel < channels; channel++) { - x = buffer[k++]; - encoder->private_->integer_signal[channel][i] = x; -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal[channel][i] = (FLAC__real)x; -#endif - } - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); - } + if(encoder->protected_->do_mid_side_stereo && channels == 2) { + /* + * stereo coding: unroll channel loop + */ + do { + if(encoder->protected_->verify) + append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j)); + + /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */ + for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) { + encoder->private_->integer_signal[0][i] = mid = side = buffer[k++]; + x = buffer[k++]; + encoder->private_->integer_signal[1][i] = x; + mid += x; + side -= x; + mid >>= 1; /* NOTE: not the same as 'mid = (left + right) / 2' ! */ + encoder->private_->integer_signal_mid_side[1][i] = side; + encoder->private_->integer_signal_mid_side[0][i] = mid; + } + encoder->private_->current_sample_number = i; + /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */ + if(i > blocksize) { + if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false)) + return false; + /* move unprocessed overread samples to beginnings of arrays */ + FLAC__ASSERT(i == blocksize+OVERREAD_); + FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */ + encoder->private_->integer_signal[0][0] = encoder->private_->integer_signal[0][blocksize]; + encoder->private_->integer_signal[1][0] = encoder->private_->integer_signal[1][blocksize]; + encoder->private_->integer_signal_mid_side[0][0] = encoder->private_->integer_signal_mid_side[0][blocksize]; + encoder->private_->integer_signal_mid_side[1][0] = encoder->private_->integer_signal_mid_side[1][blocksize]; + encoder->private_->current_sample_number = 1; + } + } while(j < samples); } else { - if(encoder->protected_->do_mid_side_stereo && channels == 2) { - /* - * stereo coding: unroll channel loop - * without LPC: no need to calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); - - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - encoder->private_->integer_signal[0][i] = mid = side = buffer[k++]; - x = buffer[k++]; - encoder->private_->integer_signal[1][i] = x; - mid += x; - side -= x; - mid >>= 1; /* NOTE: not the same as 'mid = (left + right) / 2' ! */ - encoder->private_->integer_signal_mid_side[1][i] = side; - encoder->private_->integer_signal_mid_side[0][i] = mid; - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); - } - else { - /* - * independent channel coding: buffer each channel in inner loop - * without LPC: no need to calculate floating point version of signal - */ - do { - if(encoder->protected_->verify) - append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, min(blocksize-encoder->private_->current_sample_number, samples-j)); - - for(i = encoder->private_->current_sample_number; i < blocksize && j < samples; i++, j++) { - for(channel = 0; channel < channels; channel++) - encoder->private_->integer_signal[channel][i] = buffer[k++]; - encoder->private_->current_sample_number++; - } - if(i == blocksize) { - if(!process_frame_(encoder, false)) /* false => not last frame */ - return false; - } - } while(j < samples); - } + /* + * independent channel coding: buffer each channel in inner loop + */ + do { + if(encoder->protected_->verify) + append_to_verify_fifo_interleaved_(&encoder->private_->verify.input_fifo, buffer, j, channels, flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j)); + + /* "i <= blocksize" to overread 1 sample; see comment in OVERREAD_ decl */ + for(i = encoder->private_->current_sample_number; i <= blocksize && j < samples; i++, j++) { + for(channel = 0; channel < channels; channel++) + encoder->private_->integer_signal[channel][i] = buffer[k++]; + } + encoder->private_->current_sample_number = i; + /* we only process if we have a full block + 1 extra sample; final block is always handled by FLAC__stream_encoder_finish() */ + if(i > blocksize) { + if(!process_frame_(encoder, /*is_fractional_block=*/false, /*is_last_block=*/false)) + return false; + /* move unprocessed overread samples to beginnings of arrays */ + FLAC__ASSERT(i == blocksize+OVERREAD_); + FLAC__ASSERT(OVERREAD_ == 1); /* assert we only overread 1 sample which simplifies the rest of the code below */ + for(channel = 0; channel < channels; channel++) + encoder->private_->integer_signal[channel][0] = encoder->private_->integer_signal[channel][blocksize]; + encoder->private_->current_sample_number = 1; + } + } while(j < samples); } return true; @@ -1642,12 +2093,18 @@ void set_defaults_(FLAC__StreamEncoder *encoder) encoder->protected_->verify = false; #endif encoder->protected_->streamable_subset = true; + encoder->protected_->do_md5 = true; encoder->protected_->do_mid_side_stereo = false; encoder->protected_->loose_mid_side_stereo = false; encoder->protected_->channels = 2; encoder->protected_->bits_per_sample = 16; encoder->protected_->sample_rate = 44100; - encoder->protected_->blocksize = 1152; + encoder->protected_->blocksize = 0; +#ifndef FLAC__INTEGER_ONLY_LIBRARY + encoder->protected_->num_apodizations = 1; + encoder->protected_->apodizations[0].type = FLAC__APODIZATION_TUKEY; + encoder->protected_->apodizations[0].parameters.tukey.p = 0.5; +#endif encoder->protected_->max_lpc_order = 0; encoder->protected_->qlp_coeff_precision = 0; encoder->protected_->do_qlp_coeff_prec_search = false; @@ -1660,12 +2117,26 @@ void set_defaults_(FLAC__StreamEncoder *encoder) encoder->protected_->metadata = 0; encoder->protected_->num_metadata_blocks = 0; + encoder->private_->seek_table = 0; encoder->private_->disable_constant_subframes = false; encoder->private_->disable_fixed_subframes = false; encoder->private_->disable_verbatim_subframes = false; +#if FLAC__HAS_OGG + encoder->private_->is_ogg = false; +#endif + encoder->private_->read_callback = 0; encoder->private_->write_callback = 0; + encoder->private_->seek_callback = 0; + encoder->private_->tell_callback = 0; encoder->private_->metadata_callback = 0; + encoder->private_->progress_callback = 0; encoder->private_->client_data = 0; + +#if FLAC__HAS_OGG + FLAC__ogg_encoder_aspect_set_defaults(&encoder->protected_->ogg_encoder_aspect); +#endif + + FLAC__stream_encoder_set_compression_level(encoder, 5); } void free_(FLAC__StreamEncoder *encoder) @@ -1673,6 +2144,11 @@ void free_(FLAC__StreamEncoder *encoder) unsigned i, channel; FLAC__ASSERT(0 != encoder); + if(encoder->protected_->metadata) { + free(encoder->protected_->metadata); + encoder->protected_->metadata = 0; + encoder->protected_->num_metadata_blocks = 0; + } for(i = 0; i < encoder->protected_->channels; i++) { if(0 != encoder->private_->integer_signal_unaligned[i]) { free(encoder->private_->integer_signal_unaligned[i]); @@ -1697,6 +2173,18 @@ void free_(FLAC__StreamEncoder *encoder) } #endif } +#ifndef FLAC__INTEGER_ONLY_LIBRARY + for(i = 0; i < encoder->protected_->num_apodizations; i++) { + if(0 != encoder->private_->window_unaligned[i]) { + free(encoder->private_->window_unaligned[i]); + encoder->private_->window_unaligned[i] = 0; + } + } + if(0 != encoder->private_->windowed_signal_unaligned) { + free(encoder->private_->windowed_signal_unaligned); + encoder->private_->windowed_signal_unaligned = 0; + } +#endif for(channel = 0; channel < encoder->protected_->channels; channel++) { for(i = 0; i < 2; i++) { if(0 != encoder->private_->residual_workspace_unaligned[channel][i]) { @@ -1713,10 +2201,6 @@ void free_(FLAC__StreamEncoder *encoder) } } } - if(0 != encoder->private_->abs_residual_unaligned) { - free(encoder->private_->abs_residual_unaligned); - encoder->private_->abs_residual_unaligned = 0; - } if(0 != encoder->private_->abs_residual_partition_sums_unaligned) { free(encoder->private_->abs_residual_partition_sums_unaligned); encoder->private_->abs_residual_partition_sums_unaligned = 0; @@ -1733,20 +2217,20 @@ void free_(FLAC__StreamEncoder *encoder) } } } - FLAC__bitbuffer_free(encoder->private_->frame); + FLAC__bitwriter_free(encoder->private_->frame); } -FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_size) +FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_blocksize) { FLAC__bool ok; unsigned i, channel; - FLAC__ASSERT(new_size > 0); + FLAC__ASSERT(new_blocksize > 0); FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK); FLAC__ASSERT(encoder->private_->current_sample_number == 0); /* To avoid excessive malloc'ing, we only grow the buffer; no shrinking. */ - if(new_size <= encoder->private_->input_capacity) + if(new_blocksize <= encoder->private_->input_capacity) return true; ok = true; @@ -1754,59 +2238,133 @@ FLAC__bool resize_buffers_(FLAC__StreamEncoder *encoder, unsigned new_size) /* WATCHOUT: FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx() * requires that the input arrays (in our case the integer signals) * have a buffer of up to 3 zeroes in front (at negative indices) for - * alignment purposes; we use 4 to keep the data well-aligned. + * alignment purposes; we use 4 in front to keep the data well-aligned. */ for(i = 0; ok && i < encoder->protected_->channels; i++) { - ok = ok && FLAC__memory_alloc_aligned_int32_array(new_size+4, &encoder->private_->integer_signal_unaligned[i], &encoder->private_->integer_signal[i]); + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_unaligned[i], &encoder->private_->integer_signal[i]); + memset(encoder->private_->integer_signal[i], 0, sizeof(FLAC__int32)*4); + encoder->private_->integer_signal[i] += 4; #ifndef FLAC__INTEGER_ONLY_LIBRARY +#if 0 /* @@@ currently unused */ if(encoder->protected_->max_lpc_order > 0) - ok = ok && FLAC__memory_alloc_aligned_real_array(new_size, &encoder->private_->real_signal_unaligned[i], &encoder->private_->real_signal[i]); + ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_unaligned[i], &encoder->private_->real_signal[i]); +#endif #endif - memset(encoder->private_->integer_signal[i], 0, sizeof(FLAC__int32)*4); - encoder->private_->integer_signal[i] += 4; } for(i = 0; ok && i < 2; i++) { - ok = ok && FLAC__memory_alloc_aligned_int32_array(new_size+4, &encoder->private_->integer_signal_mid_side_unaligned[i], &encoder->private_->integer_signal_mid_side[i]); + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_mid_side_unaligned[i], &encoder->private_->integer_signal_mid_side[i]); + memset(encoder->private_->integer_signal_mid_side[i], 0, sizeof(FLAC__int32)*4); + encoder->private_->integer_signal_mid_side[i] += 4; #ifndef FLAC__INTEGER_ONLY_LIBRARY +#if 0 /* @@@ currently unused */ if(encoder->protected_->max_lpc_order > 0) - ok = ok && FLAC__memory_alloc_aligned_real_array(new_size, &encoder->private_->real_signal_mid_side_unaligned[i], &encoder->private_->real_signal_mid_side[i]); + ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_mid_side_unaligned[i], &encoder->private_->real_signal_mid_side[i]); #endif - memset(encoder->private_->integer_signal_mid_side[i], 0, sizeof(FLAC__int32)*4); - encoder->private_->integer_signal_mid_side[i] += 4; +#endif + } +#ifndef FLAC__INTEGER_ONLY_LIBRARY + if(ok && encoder->protected_->max_lpc_order > 0) { + for(i = 0; ok && i < encoder->protected_->num_apodizations; i++) + ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->window_unaligned[i], &encoder->private_->window[i]); + ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize, &encoder->private_->windowed_signal_unaligned, &encoder->private_->windowed_signal); } +#endif for(channel = 0; ok && channel < encoder->protected_->channels; channel++) { for(i = 0; ok && i < 2; i++) { - ok = ok && FLAC__memory_alloc_aligned_int32_array(new_size, &encoder->private_->residual_workspace_unaligned[channel][i], &encoder->private_->residual_workspace[channel][i]); + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_unaligned[channel][i], &encoder->private_->residual_workspace[channel][i]); } } for(channel = 0; ok && channel < 2; channel++) { for(i = 0; ok && i < 2; i++) { - ok = ok && FLAC__memory_alloc_aligned_int32_array(new_size, &encoder->private_->residual_workspace_mid_side_unaligned[channel][i], &encoder->private_->residual_workspace_mid_side[channel][i]); + ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize, &encoder->private_->residual_workspace_mid_side_unaligned[channel][i], &encoder->private_->residual_workspace_mid_side[channel][i]); } } - ok = ok && FLAC__memory_alloc_aligned_uint32_array(new_size, &encoder->private_->abs_residual_unaligned, &encoder->private_->abs_residual); - if(encoder->private_->precompute_partition_sums || encoder->protected_->do_escape_coding) /* we require precompute_partition_sums if do_escape_coding because of their intertwined nature */ - ok = ok && FLAC__memory_alloc_aligned_uint64_array(new_size * 2, &encoder->private_->abs_residual_partition_sums_unaligned, &encoder->private_->abs_residual_partition_sums); + /* the *2 is an approximation to the series 1 + 1/2 + 1/4 + ... that sums tree occupies in a flat array */ + /*@@@ new_blocksize*2 is too pessimistic, but to fix, we need smarter logic because a smaller new_blocksize can actually increase the # of partitions; would require moving this out into a separate function, then checking its capacity against the need of the current blocksize&min/max_partition_order (and maybe predictor order) */ + ok = ok && FLAC__memory_alloc_aligned_uint64_array(new_blocksize * 2, &encoder->private_->abs_residual_partition_sums_unaligned, &encoder->private_->abs_residual_partition_sums); if(encoder->protected_->do_escape_coding) - ok = ok && FLAC__memory_alloc_aligned_unsigned_array(new_size * 2, &encoder->private_->raw_bits_per_partition_unaligned, &encoder->private_->raw_bits_per_partition); + ok = ok && FLAC__memory_alloc_aligned_unsigned_array(new_blocksize * 2, &encoder->private_->raw_bits_per_partition_unaligned, &encoder->private_->raw_bits_per_partition); + + /* now adjust the windows if the blocksize has changed */ +#ifndef FLAC__INTEGER_ONLY_LIBRARY + if(ok && new_blocksize != encoder->private_->input_capacity && encoder->protected_->max_lpc_order > 0) { + for(i = 0; ok && i < encoder->protected_->num_apodizations; i++) { + switch(encoder->protected_->apodizations[i].type) { + case FLAC__APODIZATION_BARTLETT: + FLAC__window_bartlett(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_BARTLETT_HANN: + FLAC__window_bartlett_hann(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_BLACKMAN: + FLAC__window_blackman(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE: + FLAC__window_blackman_harris_4term_92db_sidelobe(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_CONNES: + FLAC__window_connes(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_FLATTOP: + FLAC__window_flattop(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_GAUSS: + FLAC__window_gauss(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.gauss.stddev); + break; + case FLAC__APODIZATION_HAMMING: + FLAC__window_hamming(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_HANN: + FLAC__window_hann(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_KAISER_BESSEL: + FLAC__window_kaiser_bessel(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_NUTTALL: + FLAC__window_nuttall(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_RECTANGLE: + FLAC__window_rectangle(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_TRIANGLE: + FLAC__window_triangle(encoder->private_->window[i], new_blocksize); + break; + case FLAC__APODIZATION_TUKEY: + FLAC__window_tukey(encoder->private_->window[i], new_blocksize, encoder->protected_->apodizations[i].parameters.tukey.p); + break; + case FLAC__APODIZATION_WELCH: + FLAC__window_welch(encoder->private_->window[i], new_blocksize); + break; + default: + FLAC__ASSERT(0); + /* double protection */ + FLAC__window_hann(encoder->private_->window[i], new_blocksize); + break; + } + } + } +#endif if(ok) - encoder->private_->input_capacity = new_size; + encoder->private_->input_capacity = new_blocksize; else encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; return ok; } -FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples) +FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples, FLAC__bool is_last_block) { const FLAC__byte *buffer; - unsigned bytes; + size_t bytes; - FLAC__ASSERT(FLAC__bitbuffer_is_byte_aligned(encoder->private_->frame)); + FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame)); - FLAC__bitbuffer_get_buffer(encoder->private_->frame, &buffer, &bytes); + if(!FLAC__bitwriter_get_buffer(encoder->private_->frame, &buffer, &bytes)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } if(encoder->protected_->verify) { encoder->private_->verify.output.data = buffer; @@ -1816,7 +2374,8 @@ FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples) } else { if(!FLAC__stream_decoder_process_single(encoder->private_->verify.decoder)) { - FLAC__bitbuffer_release_buffer(encoder->private_->frame); + FLAC__bitwriter_release_buffer(encoder->private_->frame); + FLAC__bitwriter_clear(encoder->private_->frame); if(encoder->protected_->state != FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; return false; @@ -1824,30 +2383,468 @@ FLAC__bool write_bitbuffer_(FLAC__StreamEncoder *encoder, unsigned samples) } } - if(encoder->private_->write_callback(encoder, buffer, bytes, samples, encoder->private_->current_frame_number, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { - FLAC__bitbuffer_release_buffer(encoder->private_->frame); - encoder->protected_->state = FLAC__STREAM_ENCODER_FATAL_ERROR_WHILE_WRITING; + if(write_frame_(encoder, buffer, bytes, samples, is_last_block) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + FLAC__bitwriter_release_buffer(encoder->private_->frame); + FLAC__bitwriter_clear(encoder->private_->frame); + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; return false; } - FLAC__bitbuffer_release_buffer(encoder->private_->frame); + FLAC__bitwriter_release_buffer(encoder->private_->frame); + FLAC__bitwriter_clear(encoder->private_->frame); if(samples > 0) { - encoder->private_->metadata.data.stream_info.min_framesize = min(bytes, encoder->private_->metadata.data.stream_info.min_framesize); - encoder->private_->metadata.data.stream_info.max_framesize = max(bytes, encoder->private_->metadata.data.stream_info.max_framesize); + encoder->private_->streaminfo.data.stream_info.min_framesize = flac_min(bytes, encoder->private_->streaminfo.data.stream_info.min_framesize); + encoder->private_->streaminfo.data.stream_info.max_framesize = flac_max(bytes, encoder->private_->streaminfo.data.stream_info.max_framesize); } return true; } -FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame) +FLAC__StreamEncoderWriteStatus write_frame_(FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, FLAC__bool is_last_block) +{ + FLAC__StreamEncoderWriteStatus status; + FLAC__uint64 output_position = 0; + + /* FLAC__STREAM_ENCODER_TELL_STATUS_UNSUPPORTED just means we didn't get the offset; no error */ + if(encoder->private_->tell_callback && encoder->private_->tell_callback(encoder, &output_position, encoder->private_->client_data) == FLAC__STREAM_ENCODER_TELL_STATUS_ERROR) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; + } + + /* + * Watch for the STREAMINFO block and first SEEKTABLE block to go by and store their offsets. + */ + if(samples == 0) { + FLAC__MetadataType type = (buffer[0] & 0x7f); + if(type == FLAC__METADATA_TYPE_STREAMINFO) + encoder->protected_->streaminfo_offset = output_position; + else if(type == FLAC__METADATA_TYPE_SEEKTABLE && encoder->protected_->seektable_offset == 0) + encoder->protected_->seektable_offset = output_position; + } + + /* + * Mark the current seek point if hit (if audio_offset == 0 that + * means we're still writing metadata and haven't hit the first + * frame yet) + */ + if(0 != encoder->private_->seek_table && encoder->protected_->audio_offset > 0 && encoder->private_->seek_table->num_points > 0) { + const unsigned blocksize = FLAC__stream_encoder_get_blocksize(encoder); + const FLAC__uint64 frame_first_sample = encoder->private_->samples_written; + const FLAC__uint64 frame_last_sample = frame_first_sample + (FLAC__uint64)blocksize - 1; + FLAC__uint64 test_sample; + unsigned i; + for(i = encoder->private_->first_seekpoint_to_check; i < encoder->private_->seek_table->num_points; i++) { + test_sample = encoder->private_->seek_table->points[i].sample_number; + if(test_sample > frame_last_sample) { + break; + } + else if(test_sample >= frame_first_sample) { + encoder->private_->seek_table->points[i].sample_number = frame_first_sample; + encoder->private_->seek_table->points[i].stream_offset = output_position - encoder->protected_->audio_offset; + encoder->private_->seek_table->points[i].frame_samples = blocksize; + encoder->private_->first_seekpoint_to_check++; + /* DO NOT: "break;" and here's why: + * The seektable template may contain more than one target + * sample for any given frame; we will keep looping, generating + * duplicate seekpoints for them, and we'll clean it up later, + * just before writing the seektable back to the metadata. + */ + } + else { + encoder->private_->first_seekpoint_to_check++; + } + } + } + +#if FLAC__HAS_OGG + if(encoder->private_->is_ogg) { + status = FLAC__ogg_encoder_aspect_write_callback_wrapper( + &encoder->protected_->ogg_encoder_aspect, + buffer, + bytes, + samples, + encoder->private_->current_frame_number, + is_last_block, + (FLAC__OggEncoderAspectWriteCallbackProxy)encoder->private_->write_callback, + encoder, + encoder->private_->client_data + ); + } + else +#endif + status = encoder->private_->write_callback(encoder, buffer, bytes, samples, encoder->private_->current_frame_number, encoder->private_->client_data); + + if(status == FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->private_->bytes_written += bytes; + encoder->private_->samples_written += samples; + /* we keep a high watermark on the number of frames written because + * when the encoder goes back to write metadata, 'current_frame' + * will drop back to 0. + */ + encoder->private_->frames_written = flac_max(encoder->private_->frames_written, encoder->private_->current_frame_number+1); + } + else + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + + return status; +} + +/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks. */ +void update_metadata_(const FLAC__StreamEncoder *encoder) +{ + FLAC__byte b[flac_max(6u, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)]; + const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo; + const FLAC__uint64 samples = metadata->data.stream_info.total_samples; + const unsigned min_framesize = metadata->data.stream_info.min_framesize; + const unsigned max_framesize = metadata->data.stream_info.max_framesize; + const unsigned bps = metadata->data.stream_info.bits_per_sample; + FLAC__StreamEncoderSeekStatus seek_status; + + FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO); + + /* All this is based on intimate knowledge of the stream header + * layout, but a change to the header format that would break this + * would also break all streams encoded in the previous format. + */ + + /* + * Write MD5 signature + */ + { + const unsigned md5_offset = + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN + ) / 8; + + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + md5_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + if(encoder->private_->write_callback(encoder, metadata->data.stream_info.md5sum, 16, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + + /* + * Write total samples + */ + { + const unsigned total_samples_byte_offset = + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + - 4 + ) / 8; + + b[0] = ((FLAC__byte)(bps-1) << 4) | (FLAC__byte)((samples >> 32) & 0x0F); + b[1] = (FLAC__byte)((samples >> 24) & 0xFF); + b[2] = (FLAC__byte)((samples >> 16) & 0xFF); + b[3] = (FLAC__byte)((samples >> 8) & 0xFF); + b[4] = (FLAC__byte)(samples & 0xFF); + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + total_samples_byte_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + if(encoder->private_->write_callback(encoder, b, 5, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + + /* + * Write min/max framesize + */ + { + const unsigned min_framesize_offset = + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + ) / 8; + + b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF); + b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF); + b[2] = (FLAC__byte)(min_framesize & 0xFF); + b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF); + b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF); + b[5] = (FLAC__byte)(max_framesize & 0xFF); + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->streaminfo_offset + min_framesize_offset, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + if(encoder->private_->write_callback(encoder, b, 6, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + + /* + * Write seektable + */ + if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) { + unsigned i; + + FLAC__format_seektable_sort(encoder->private_->seek_table); + + FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table)); + + if((seek_status = encoder->private_->seek_callback(encoder, encoder->protected_->seektable_offset + FLAC__STREAM_METADATA_HEADER_LENGTH, encoder->private_->client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) { + if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR) + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + + for(i = 0; i < encoder->private_->seek_table->num_points; i++) { + FLAC__uint64 xx; + unsigned x; + xx = encoder->private_->seek_table->points[i].sample_number; + b[7] = (FLAC__byte)xx; xx >>= 8; + b[6] = (FLAC__byte)xx; xx >>= 8; + b[5] = (FLAC__byte)xx; xx >>= 8; + b[4] = (FLAC__byte)xx; xx >>= 8; + b[3] = (FLAC__byte)xx; xx >>= 8; + b[2] = (FLAC__byte)xx; xx >>= 8; + b[1] = (FLAC__byte)xx; xx >>= 8; + b[0] = (FLAC__byte)xx; xx >>= 8; + xx = encoder->private_->seek_table->points[i].stream_offset; + b[15] = (FLAC__byte)xx; xx >>= 8; + b[14] = (FLAC__byte)xx; xx >>= 8; + b[13] = (FLAC__byte)xx; xx >>= 8; + b[12] = (FLAC__byte)xx; xx >>= 8; + b[11] = (FLAC__byte)xx; xx >>= 8; + b[10] = (FLAC__byte)xx; xx >>= 8; + b[9] = (FLAC__byte)xx; xx >>= 8; + b[8] = (FLAC__byte)xx; xx >>= 8; + x = encoder->private_->seek_table->points[i].frame_samples; + b[17] = (FLAC__byte)x; x >>= 8; + b[16] = (FLAC__byte)x; x >>= 8; + if(encoder->private_->write_callback(encoder, b, 18, 0, 0, encoder->private_->client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) { + encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR; + return; + } + } + } +} + +#if FLAC__HAS_OGG +/* Gets called when the encoding process has finished so that we can update the STREAMINFO and SEEKTABLE blocks. */ +void update_ogg_metadata_(FLAC__StreamEncoder *encoder) +{ + /* the # of bytes in the 1st packet that precede the STREAMINFO */ + static const unsigned FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH = + FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH + + FLAC__OGG_MAPPING_MAGIC_LENGTH + + FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH + + FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH + + FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH + + FLAC__STREAM_SYNC_LENGTH + ; + FLAC__byte b[flac_max(6u, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)]; + const FLAC__StreamMetadata *metadata = &encoder->private_->streaminfo; + const FLAC__uint64 samples = metadata->data.stream_info.total_samples; + const unsigned min_framesize = metadata->data.stream_info.min_framesize; + const unsigned max_framesize = metadata->data.stream_info.max_framesize; + ogg_page page; + + FLAC__ASSERT(metadata->type == FLAC__METADATA_TYPE_STREAMINFO); + FLAC__ASSERT(0 != encoder->private_->seek_callback); + + /* Pre-check that client supports seeking, since we don't want the + * ogg_helper code to ever have to deal with this condition. + */ + if(encoder->private_->seek_callback(encoder, 0, encoder->private_->client_data) == FLAC__STREAM_ENCODER_SEEK_STATUS_UNSUPPORTED) + return; + + /* All this is based on intimate knowledge of the stream header + * layout, but a change to the header format that would break this + * would also break all streams encoded in the previous format. + */ + + /** + ** Write STREAMINFO stats + **/ + simple_ogg_page__init(&page); + if(!simple_ogg_page__get_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) { + simple_ogg_page__clear(&page); + return; /* state already set */ + } + + /* + * Write MD5 signature + */ + { + const unsigned md5_offset = + FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH + + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN + ) / 8; + + if(md5_offset + 16 > (unsigned)page.body_len) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + simple_ogg_page__clear(&page); + return; + } + memcpy(page.body + md5_offset, metadata->data.stream_info.md5sum, 16); + } + + /* + * Write total samples + */ + { + const unsigned total_samples_byte_offset = + FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH + + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN + + FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN + - 4 + ) / 8; + + if(total_samples_byte_offset + 5 > (unsigned)page.body_len) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + simple_ogg_page__clear(&page); + return; + } + b[0] = (FLAC__byte)page.body[total_samples_byte_offset] & 0xF0; + b[0] |= (FLAC__byte)((samples >> 32) & 0x0F); + b[1] = (FLAC__byte)((samples >> 24) & 0xFF); + b[2] = (FLAC__byte)((samples >> 16) & 0xFF); + b[3] = (FLAC__byte)((samples >> 8) & 0xFF); + b[4] = (FLAC__byte)(samples & 0xFF); + memcpy(page.body + total_samples_byte_offset, b, 5); + } + + /* + * Write min/max framesize + */ + { + const unsigned min_framesize_offset = + FIRST_OGG_PACKET_STREAMINFO_PREFIX_LENGTH + + FLAC__STREAM_METADATA_HEADER_LENGTH + + ( + FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN + + FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN + ) / 8; + + if(min_framesize_offset + 6 > (unsigned)page.body_len) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + simple_ogg_page__clear(&page); + return; + } + b[0] = (FLAC__byte)((min_framesize >> 16) & 0xFF); + b[1] = (FLAC__byte)((min_framesize >> 8) & 0xFF); + b[2] = (FLAC__byte)(min_framesize & 0xFF); + b[3] = (FLAC__byte)((max_framesize >> 16) & 0xFF); + b[4] = (FLAC__byte)((max_framesize >> 8) & 0xFF); + b[5] = (FLAC__byte)(max_framesize & 0xFF); + memcpy(page.body + min_framesize_offset, b, 6); + } + if(!simple_ogg_page__set_at(encoder, encoder->protected_->streaminfo_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) { + simple_ogg_page__clear(&page); + return; /* state already set */ + } + simple_ogg_page__clear(&page); + + /* + * Write seektable + */ + if(0 != encoder->private_->seek_table && encoder->private_->seek_table->num_points > 0 && encoder->protected_->seektable_offset > 0) { + unsigned i; + FLAC__byte *p; + + FLAC__format_seektable_sort(encoder->private_->seek_table); + + FLAC__ASSERT(FLAC__format_seektable_is_legal(encoder->private_->seek_table)); + + simple_ogg_page__init(&page); + if(!simple_ogg_page__get_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->read_callback, encoder->private_->client_data)) { + simple_ogg_page__clear(&page); + return; /* state already set */ + } + + if((FLAC__STREAM_METADATA_HEADER_LENGTH + 18*encoder->private_->seek_table->num_points) != (unsigned)page.body_len) { + encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR; + simple_ogg_page__clear(&page); + return; + } + + for(i = 0, p = page.body + FLAC__STREAM_METADATA_HEADER_LENGTH; i < encoder->private_->seek_table->num_points; i++, p += 18) { + FLAC__uint64 xx; + unsigned x; + xx = encoder->private_->seek_table->points[i].sample_number; + b[7] = (FLAC__byte)xx; xx >>= 8; + b[6] = (FLAC__byte)xx; xx >>= 8; + b[5] = (FLAC__byte)xx; xx >>= 8; + b[4] = (FLAC__byte)xx; xx >>= 8; + b[3] = (FLAC__byte)xx; xx >>= 8; + b[2] = (FLAC__byte)xx; xx >>= 8; + b[1] = (FLAC__byte)xx; xx >>= 8; + b[0] = (FLAC__byte)xx; xx >>= 8; + xx = encoder->private_->seek_table->points[i].stream_offset; + b[15] = (FLAC__byte)xx; xx >>= 8; + b[14] = (FLAC__byte)xx; xx >>= 8; + b[13] = (FLAC__byte)xx; xx >>= 8; + b[12] = (FLAC__byte)xx; xx >>= 8; + b[11] = (FLAC__byte)xx; xx >>= 8; + b[10] = (FLAC__byte)xx; xx >>= 8; + b[9] = (FLAC__byte)xx; xx >>= 8; + b[8] = (FLAC__byte)xx; xx >>= 8; + x = encoder->private_->seek_table->points[i].frame_samples; + b[17] = (FLAC__byte)x; x >>= 8; + b[16] = (FLAC__byte)x; x >>= 8; + memcpy(p, b, 18); + } + + if(!simple_ogg_page__set_at(encoder, encoder->protected_->seektable_offset, &page, encoder->private_->seek_callback, encoder->private_->write_callback, encoder->private_->client_data)) { + simple_ogg_page__clear(&page); + return; /* state already set */ + } + simple_ogg_page__clear(&page); + } +} +#endif + +FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block, FLAC__bool is_last_block) { + FLAC__uint16 crc; FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK); /* * Accumulate raw signal to the MD5 signature */ - if(!FLAC__MD5Accumulate(&encoder->private_->md5context, (const FLAC__int32 * const *)encoder->private_->integer_signal, encoder->protected_->channels, encoder->protected_->blocksize, (encoder->protected_->bits_per_sample+7) / 8)) { + if(encoder->protected_->do_md5 && !FLAC__MD5Accumulate(&encoder->private_->md5context, (const FLAC__int32 * const *)encoder->private_->integer_signal, encoder->protected_->channels, encoder->protected_->blocksize, (encoder->protected_->bits_per_sample+7) / 8)) { encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; return false; } @@ -1855,7 +2852,7 @@ FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame /* * Process the frame header and subframes into the frame bitbuffer */ - if(!process_subframes_(encoder, is_last_frame)) { + if(!process_subframes_(encoder, is_fractional_block)) { /* the above function sets the state for us in case of an error */ return false; } @@ -1863,7 +2860,7 @@ FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame /* * Zero-pad the frame to a byte_boundary */ - if(!FLAC__bitbuffer_zero_pad_to_byte_boundary(encoder->private_->frame)) { + if(!FLAC__bitwriter_zero_pad_to_byte_boundary(encoder->private_->frame)) { encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; return false; } @@ -1871,13 +2868,19 @@ FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame /* * CRC-16 the whole thing */ - FLAC__ASSERT(FLAC__bitbuffer_is_byte_aligned(encoder->private_->frame)); - FLAC__bitbuffer_write_raw_uint32(encoder->private_->frame, FLAC__bitbuffer_get_write_crc16(encoder->private_->frame), FLAC__FRAME_FOOTER_CRC_LEN); + FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(encoder->private_->frame)); + if( + !FLAC__bitwriter_get_write_crc16(encoder->private_->frame, &crc) || + !FLAC__bitwriter_write_raw_uint32(encoder->private_->frame, crc, FLAC__FRAME_FOOTER_CRC_LEN) + ) { + encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; + return false; + } /* * Write it */ - if(!write_bitbuffer_(encoder, encoder->protected_->blocksize)) { + if(!write_bitbuffer_(encoder, encoder->protected_->blocksize, is_last_block)) { /* the above function sets the state for us in case of an error */ return false; } @@ -1887,38 +2890,32 @@ FLAC__bool process_frame_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame */ encoder->private_->current_sample_number = 0; encoder->private_->current_frame_number++; - encoder->private_->metadata.data.stream_info.total_samples += (FLAC__uint64)encoder->protected_->blocksize; + encoder->private_->streaminfo.data.stream_info.total_samples += (FLAC__uint64)encoder->protected_->blocksize; return true; } -FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_frame) +FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_fractional_block) { FLAC__FrameHeader frame_header; unsigned channel, min_partition_order = encoder->protected_->min_residual_partition_order, max_partition_order; - FLAC__bool do_independent, do_mid_side, precompute_partition_sums; + FLAC__bool do_independent, do_mid_side; /* * Calculate the min,max Rice partition orders */ - if(is_last_frame) { + if(is_fractional_block) { max_partition_order = 0; } else { max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize(encoder->protected_->blocksize); - max_partition_order = min(max_partition_order, encoder->protected_->max_residual_partition_order); + max_partition_order = flac_min(max_partition_order, encoder->protected_->max_residual_partition_order); } - min_partition_order = min(min_partition_order, max_partition_order); - - precompute_partition_sums = encoder->private_->precompute_partition_sums && ((max_partition_order > min_partition_order) || encoder->protected_->do_escape_coding); + min_partition_order = flac_min(min_partition_order, max_partition_order); /* * Setup the frame */ - if(!FLAC__bitbuffer_clear(encoder->private_->frame)) { - encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR; - return false; - } frame_header.blocksize = encoder->protected_->blocksize; frame_header.sample_rate = encoder->protected_->sample_rate; frame_header.channels = encoder->protected_->channels; @@ -1982,13 +2979,9 @@ FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_f encoder, min_partition_order, max_partition_order, - precompute_partition_sums, &frame_header, encoder->private_->subframe_bps[channel], encoder->private_->integer_signal[channel], -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal[channel], -#endif encoder->private_->subframe_workspace_ptr[channel], encoder->private_->partitioned_rice_contents_workspace_ptr[channel], encoder->private_->residual_workspace[channel], @@ -2012,13 +3005,9 @@ FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_f encoder, min_partition_order, max_partition_order, - precompute_partition_sums, &frame_header, encoder->private_->subframe_bps_mid_side[channel], encoder->private_->integer_signal_mid_side[channel], -#ifndef FLAC__INTEGER_ONLY_LIBRARY - encoder->private_->real_signal_mid_side[channel], -#endif encoder->private_->subframe_workspace_ptr_mid_side[channel], encoder->private_->partitioned_rice_contents_workspace_ptr_mid_side[channel], encoder->private_->residual_workspace_mid_side[channel], @@ -2046,8 +3035,12 @@ FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_f else { unsigned bits[4]; /* WATCHOUT - indexed by FLAC__ChannelAssignment */ unsigned min_bits; - FLAC__ChannelAssignment ca; + int ca; + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT == 0); + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE == 1); + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE == 2); + FLAC__ASSERT(FLAC__CHANNEL_ASSIGNMENT_MID_SIDE == 3); FLAC__ASSERT(do_independent && do_mid_side); /* We have to figure out which channel assignent results in the smallest frame */ @@ -2056,17 +3049,19 @@ FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_f bits[FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE ] = encoder->private_->best_subframe_bits [1] + encoder->private_->best_subframe_bits_mid_side[1]; bits[FLAC__CHANNEL_ASSIGNMENT_MID_SIDE ] = encoder->private_->best_subframe_bits_mid_side[0] + encoder->private_->best_subframe_bits_mid_side[1]; - for(channel_assignment = (FLAC__ChannelAssignment)0, min_bits = bits[0], ca = (FLAC__ChannelAssignment)1; (int)ca <= 3; ca = (FLAC__ChannelAssignment)((int)ca + 1)) { + channel_assignment = FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT; + min_bits = bits[channel_assignment]; + for(ca = 1; ca <= 3; ca++) { if(bits[ca] < min_bits) { min_bits = bits[ca]; - channel_assignment = ca; + channel_assignment = (FLAC__ChannelAssignment)ca; } } } frame_header.channel_assignment = channel_assignment; - if(!FLAC__frame_add_header(&frame_header, encoder->protected_->streamable_subset, encoder->private_->frame)) { + if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) { encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; return false; } @@ -2114,19 +3109,19 @@ FLAC__bool process_subframes_(FLAC__StreamEncoder *encoder, FLAC__bool is_last_f } /* note that encoder_add_subframe_ sets the state for us in case of an error */ - if(!add_subframe_(encoder, &frame_header, left_bps , left_subframe , encoder->private_->frame)) + if(!add_subframe_(encoder, frame_header.blocksize, left_bps , left_subframe , encoder->private_->frame)) return false; - if(!add_subframe_(encoder, &frame_header, right_bps, right_subframe, encoder->private_->frame)) + if(!add_subframe_(encoder, frame_header.blocksize, right_bps, right_subframe, encoder->private_->frame)) return false; } else { - if(!FLAC__frame_add_header(&frame_header, encoder->protected_->streamable_subset, encoder->private_->frame)) { + if(!FLAC__frame_add_header(&frame_header, encoder->private_->frame)) { encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; return false; } for(channel = 0; channel < encoder->protected_->channels; channel++) { - if(!add_subframe_(encoder, &frame_header, encoder->private_->subframe_bps[channel], &encoder->private_->subframe_workspace[channel][encoder->private_->best_subframe[channel]], encoder->private_->frame)) { + if(!add_subframe_(encoder, frame_header.blocksize, encoder->private_->subframe_bps[channel], &encoder->private_->subframe_workspace[channel][encoder->private_->best_subframe[channel]], encoder->private_->frame)) { /* the above function sets the state for us in case of an error */ return false; } @@ -2148,13 +3143,9 @@ FLAC__bool process_subframe_( FLAC__StreamEncoder *encoder, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, const FLAC__FrameHeader *frame_header, unsigned subframe_bps, const FLAC__int32 integer_signal[], -#ifndef FLAC__INTEGER_ONLY_LIBRARY - const FLAC__real real_signal[], -#endif FLAC__Subframe *subframe[2], FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents[2], FLAC__int32 *residual[2], @@ -2178,13 +3169,17 @@ FLAC__bool process_subframe_( unsigned rice_parameter; unsigned _candidate_bits, _best_bits; unsigned _best_subframe; + /* only use RICE2 partitions if stream bps > 16 */ + const unsigned rice_parameter_limit = FLAC__stream_encoder_get_bits_per_sample(encoder) > 16? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER; + + FLAC__ASSERT(frame_header->blocksize > 0); /* verbatim subframe is the baseline against which we measure other compressed subframes */ _best_subframe = 0; if(encoder->private_->disable_verbatim_subframes && frame_header->blocksize >= FLAC__MAX_FIXED_ORDER) _best_bits = UINT_MAX; else - _best_bits = evaluate_verbatim_subframe_(integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]); + _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]); if(frame_header->blocksize >= FLAC__MAX_FIXED_ORDER) { unsigned signal_is_constant = false; @@ -2209,7 +3204,7 @@ FLAC__bool process_subframe_( } } if(signal_is_constant) { - _candidate_bits = evaluate_constant_subframe_(integer_signal[0], subframe_bps, subframe[!_best_subframe]); + _candidate_bits = evaluate_constant_subframe_(encoder, integer_signal[0], frame_header->blocksize, subframe_bps, subframe[!_best_subframe]); if(_candidate_bits < _best_bits) { _best_subframe = !_best_subframe; _best_bits = _candidate_bits; @@ -2225,6 +3220,8 @@ FLAC__bool process_subframe_( else { min_fixed_order = max_fixed_order = guess_fixed_order; } + if(max_fixed_order >= frame_header->blocksize) + max_fixed_order = frame_header->blocksize - 1; for(fixed_order = min_fixed_order; fixed_order <= max_fixed_order; fixed_order++) { #ifndef FLAC__INTEGER_ONLY_LIBRARY if(fixed_residual_bits_per_sample[fixed_order] >= (FLAC__float)subframe_bps) @@ -2235,30 +3232,27 @@ FLAC__bool process_subframe_( continue; /* don't even try */ rice_parameter = (fixed_residual_bits_per_sample[fixed_order] > FLAC__FP_ZERO)? (unsigned)FLAC__fixedpoint_trunc(fixed_residual_bits_per_sample[fixed_order]+FLAC__FP_ONE_HALF) : 0; /* 0.5 is for rounding */ #endif -#ifndef FLAC__SYMMETRIC_RICE rice_parameter++; /* to account for the signed->unsigned conversion during rice coding */ -#endif - if(rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { + if(rice_parameter >= rice_parameter_limit) { #ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @0\n", rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); + fprintf(stderr, "clipping rice_parameter (%u -> %u) @0\n", rice_parameter, rice_parameter_limit - 1); #endif - rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; + rice_parameter = rice_parameter_limit - 1; } _candidate_bits = evaluate_fixed_subframe_( encoder, integer_signal, residual[!_best_subframe], - encoder->private_->abs_residual, encoder->private_->abs_residual_partition_sums, encoder->private_->raw_bits_per_partition, frame_header->blocksize, subframe_bps, fixed_order, rice_parameter, + rice_parameter_limit, min_partition_order, max_partition_order, - precompute_partition_sums, encoder->protected_->do_escape_coding, encoder->protected_->rice_parameter_search_dist, subframe[!_best_subframe], @@ -2279,69 +3273,84 @@ FLAC__bool process_subframe_( else max_lpc_order = encoder->protected_->max_lpc_order; if(max_lpc_order > 0) { - encoder->private_->local_lpc_compute_autocorrelation(real_signal, frame_header->blocksize, max_lpc_order+1, autoc); - /* if autoc[0] == 0.0, the signal is constant and we usually won't get here, but it can happen */ - if(autoc[0] != 0.0) { - FLAC__lpc_compute_lp_coefficients(autoc, max_lpc_order, encoder->private_->lp_coeff, lpc_error); - if(encoder->protected_->do_exhaustive_model_search) { - min_lpc_order = 1; - } - else { - unsigned guess_lpc_order = FLAC__lpc_compute_best_order(lpc_error, max_lpc_order, frame_header->blocksize, subframe_bps); - min_lpc_order = max_lpc_order = guess_lpc_order; - } - for(lpc_order = min_lpc_order; lpc_order <= max_lpc_order; lpc_order++) { - lpc_residual_bits_per_sample = FLAC__lpc_compute_expected_bits_per_residual_sample(lpc_error[lpc_order-1], frame_header->blocksize-lpc_order); - if(lpc_residual_bits_per_sample >= (FLAC__double)subframe_bps) - continue; /* don't even try */ - rice_parameter = (lpc_residual_bits_per_sample > 0.0)? (unsigned)(lpc_residual_bits_per_sample+0.5) : 0; /* 0.5 is for rounding */ -#ifndef FLAC__SYMMETRIC_RICE - rice_parameter++; /* to account for the signed->unsigned conversion during rice coding */ -#endif - if(rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { -#ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @1\n", rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); -#endif - rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; - } - if(encoder->protected_->do_qlp_coeff_prec_search) { - min_qlp_coeff_precision = FLAC__MIN_QLP_COEFF_PRECISION; - /* ensure a 32-bit datapath throughout for 16bps or less */ - if(subframe_bps <= 16) - max_qlp_coeff_precision = min(32 - subframe_bps - lpc_order, FLAC__MAX_QLP_COEFF_PRECISION); - else - max_qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION; + unsigned a; + for (a = 0; a < encoder->protected_->num_apodizations; a++) { + FLAC__lpc_window_data(integer_signal, encoder->private_->window[a], encoder->private_->windowed_signal, frame_header->blocksize); + encoder->private_->local_lpc_compute_autocorrelation(encoder->private_->windowed_signal, frame_header->blocksize, max_lpc_order+1, autoc); + /* if autoc[0] == 0.0, the signal is constant and we usually won't get here, but it can happen */ + if(autoc[0] != 0.0) { + FLAC__lpc_compute_lp_coefficients(autoc, &max_lpc_order, encoder->private_->lp_coeff, lpc_error); + if(encoder->protected_->do_exhaustive_model_search) { + min_lpc_order = 1; } else { - min_qlp_coeff_precision = max_qlp_coeff_precision = encoder->protected_->qlp_coeff_precision; - } - for(qlp_coeff_precision = min_qlp_coeff_precision; qlp_coeff_precision <= max_qlp_coeff_precision; qlp_coeff_precision++) { - _candidate_bits = - evaluate_lpc_subframe_( - encoder, - integer_signal, - residual[!_best_subframe], - encoder->private_->abs_residual, - encoder->private_->abs_residual_partition_sums, - encoder->private_->raw_bits_per_partition, - encoder->private_->lp_coeff[lpc_order-1], + const unsigned guess_lpc_order = + FLAC__lpc_compute_best_order( + lpc_error, + max_lpc_order, frame_header->blocksize, - subframe_bps, - lpc_order, - qlp_coeff_precision, - rice_parameter, - min_partition_order, - max_partition_order, - precompute_partition_sums, - encoder->protected_->do_escape_coding, - encoder->protected_->rice_parameter_search_dist, - subframe[!_best_subframe], - partitioned_rice_contents[!_best_subframe] + subframe_bps + ( + encoder->protected_->do_qlp_coeff_prec_search? + FLAC__MIN_QLP_COEFF_PRECISION : /* have to guess; use the min possible size to avoid accidentally favoring lower orders */ + encoder->protected_->qlp_coeff_precision + ) ); - if(_candidate_bits > 0) { /* if == 0, there was a problem quantizing the lpcoeffs */ - if(_candidate_bits < _best_bits) { - _best_subframe = !_best_subframe; - _best_bits = _candidate_bits; + min_lpc_order = max_lpc_order = guess_lpc_order; + } + if(max_lpc_order >= frame_header->blocksize) + max_lpc_order = frame_header->blocksize - 1; + for(lpc_order = min_lpc_order; lpc_order <= max_lpc_order; lpc_order++) { + lpc_residual_bits_per_sample = FLAC__lpc_compute_expected_bits_per_residual_sample(lpc_error[lpc_order-1], frame_header->blocksize-lpc_order); + if(lpc_residual_bits_per_sample >= (FLAC__double)subframe_bps) + continue; /* don't even try */ + rice_parameter = (lpc_residual_bits_per_sample > 0.0)? (unsigned)(lpc_residual_bits_per_sample+0.5) : 0; /* 0.5 is for rounding */ + rice_parameter++; /* to account for the signed->unsigned conversion during rice coding */ + if(rice_parameter >= rice_parameter_limit) { +#ifdef DEBUG_VERBOSE + fprintf(stderr, "clipping rice_parameter (%u -> %u) @1\n", rice_parameter, rice_parameter_limit - 1); +#endif + rice_parameter = rice_parameter_limit - 1; + } + if(encoder->protected_->do_qlp_coeff_prec_search) { + min_qlp_coeff_precision = FLAC__MIN_QLP_COEFF_PRECISION; + /* try to ensure a 32-bit datapath throughout for 16bps(+1bps for side channel) or less */ + if(subframe_bps <= 17) { + max_qlp_coeff_precision = flac_min(32 - subframe_bps - lpc_order, FLAC__MAX_QLP_COEFF_PRECISION); + max_qlp_coeff_precision = flac_max(max_qlp_coeff_precision, min_qlp_coeff_precision); + } + else + max_qlp_coeff_precision = FLAC__MAX_QLP_COEFF_PRECISION; + } + else { + min_qlp_coeff_precision = max_qlp_coeff_precision = encoder->protected_->qlp_coeff_precision; + } + for(qlp_coeff_precision = min_qlp_coeff_precision; qlp_coeff_precision <= max_qlp_coeff_precision; qlp_coeff_precision++) { + _candidate_bits = + evaluate_lpc_subframe_( + encoder, + integer_signal, + residual[!_best_subframe], + encoder->private_->abs_residual_partition_sums, + encoder->private_->raw_bits_per_partition, + encoder->private_->lp_coeff[lpc_order-1], + frame_header->blocksize, + subframe_bps, + lpc_order, + qlp_coeff_precision, + rice_parameter, + rice_parameter_limit, + min_partition_order, + max_partition_order, + encoder->protected_->do_escape_coding, + encoder->protected_->rice_parameter_search_dist, + subframe[!_best_subframe], + partitioned_rice_contents[!_best_subframe] + ); + if(_candidate_bits > 0) { /* if == 0, there was a problem quantizing the lpcoeffs */ + if(_candidate_bits < _best_bits) { + _best_subframe = !_best_subframe; + _best_bits = _candidate_bits; + } } } } @@ -2356,7 +3365,7 @@ FLAC__bool process_subframe_( /* under rare circumstances this can happen when all but lpc subframe types are disabled: */ if(_best_bits == UINT_MAX) { FLAC__ASSERT(_best_subframe == 0); - _best_bits = evaluate_verbatim_subframe_(integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]); + _best_bits = evaluate_verbatim_subframe_(encoder, integer_signal, frame_header->blocksize, subframe_bps, subframe[_best_subframe]); } *best_subframe = _best_subframe; @@ -2367,34 +3376,34 @@ FLAC__bool process_subframe_( FLAC__bool add_subframe_( FLAC__StreamEncoder *encoder, - const FLAC__FrameHeader *frame_header, + unsigned blocksize, unsigned subframe_bps, const FLAC__Subframe *subframe, - FLAC__BitBuffer *frame + FLAC__BitWriter *frame ) { switch(subframe->type) { case FLAC__SUBFRAME_TYPE_CONSTANT: if(!FLAC__subframe_add_constant(&(subframe->data.constant), subframe_bps, subframe->wasted_bits, frame)) { - encoder->protected_->state = FLAC__STREAM_ENCODER_FATAL_ERROR_WHILE_ENCODING; + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; return false; } break; case FLAC__SUBFRAME_TYPE_FIXED: - if(!FLAC__subframe_add_fixed(&(subframe->data.fixed), frame_header->blocksize - subframe->data.fixed.order, subframe_bps, subframe->wasted_bits, frame)) { - encoder->protected_->state = FLAC__STREAM_ENCODER_FATAL_ERROR_WHILE_ENCODING; + if(!FLAC__subframe_add_fixed(&(subframe->data.fixed), blocksize - subframe->data.fixed.order, subframe_bps, subframe->wasted_bits, frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; return false; } break; case FLAC__SUBFRAME_TYPE_LPC: - if(!FLAC__subframe_add_lpc(&(subframe->data.lpc), frame_header->blocksize - subframe->data.lpc.order, subframe_bps, subframe->wasted_bits, frame)) { - encoder->protected_->state = FLAC__STREAM_ENCODER_FATAL_ERROR_WHILE_ENCODING; + if(!FLAC__subframe_add_lpc(&(subframe->data.lpc), blocksize - subframe->data.lpc.order, subframe_bps, subframe->wasted_bits, frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; return false; } break; case FLAC__SUBFRAME_TYPE_VERBATIM: - if(!FLAC__subframe_add_verbatim(&(subframe->data.verbatim), frame_header->blocksize, subframe_bps, subframe->wasted_bits, frame)) { - encoder->protected_->state = FLAC__STREAM_ENCODER_FATAL_ERROR_WHILE_ENCODING; + if(!FLAC__subframe_add_verbatim(&(subframe->data.verbatim), blocksize, subframe_bps, subframe->wasted_bits, frame)) { + encoder->protected_->state = FLAC__STREAM_ENCODER_FRAMING_ERROR; return false; } break; @@ -2405,39 +3414,80 @@ FLAC__bool add_subframe_( return true; } +#define SPOTCHECK_ESTIMATE 0 +#if SPOTCHECK_ESTIMATE +static void spotcheck_subframe_estimate_( + FLAC__StreamEncoder *encoder, + unsigned blocksize, + unsigned subframe_bps, + const FLAC__Subframe *subframe, + unsigned estimate +) +{ + FLAC__bool ret; + FLAC__BitWriter *frame = FLAC__bitwriter_new(); + if(frame == 0) { + fprintf(stderr, "EST: can't allocate frame\n"); + return; + } + if(!FLAC__bitwriter_init(frame)) { + fprintf(stderr, "EST: can't init frame\n"); + return; + } + ret = add_subframe_(encoder, blocksize, subframe_bps, subframe, frame); + FLAC__ASSERT(ret); + { + const unsigned actual = FLAC__bitwriter_get_input_bits_unconsumed(frame); + if(estimate != actual) + fprintf(stderr, "EST: bad, frame#%u sub#%%d type=%8s est=%u, actual=%u, delta=%d\n", encoder->private_->current_frame_number, FLAC__SubframeTypeString[subframe->type], estimate, actual, (int)actual-(int)estimate); + } + FLAC__bitwriter_delete(frame); +} +#endif + unsigned evaluate_constant_subframe_( + FLAC__StreamEncoder *encoder, const FLAC__int32 signal, + unsigned blocksize, unsigned subframe_bps, FLAC__Subframe *subframe ) { + unsigned estimate; subframe->type = FLAC__SUBFRAME_TYPE_CONSTANT; subframe->data.constant.value = signal; - return FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe_bps; + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + subframe_bps; + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#else + (void)encoder, (void)blocksize; +#endif + + return estimate; } unsigned evaluate_fixed_subframe_( FLAC__StreamEncoder *encoder, const FLAC__int32 signal[], FLAC__int32 residual[], - FLAC__uint32 abs_residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned raw_bits_per_partition[], unsigned blocksize, unsigned subframe_bps, unsigned order, unsigned rice_parameter, + unsigned rice_parameter_limit, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, FLAC__bool do_escape_coding, unsigned rice_parameter_search_dist, FLAC__Subframe *subframe, FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents ) { - unsigned i, residual_bits; + unsigned i, residual_bits, estimate; const unsigned residual_samples = blocksize - order; FLAC__fixed_compute_residual(signal+order, residual_samples, order, residual); @@ -2452,25 +3502,31 @@ unsigned evaluate_fixed_subframe_( find_best_partition_order_( encoder->private_, residual, - abs_residual, abs_residual_partition_sums, raw_bits_per_partition, residual_samples, order, rice_parameter, + rice_parameter_limit, min_partition_order, max_partition_order, - precompute_partition_sums, + subframe_bps, do_escape_coding, rice_parameter_search_dist, - &subframe->data.fixed.entropy_coding_method.data.partitioned_rice + &subframe->data.fixed.entropy_coding_method ); subframe->data.fixed.order = order; for(i = 0; i < order; i++) subframe->data.fixed.warmup[i] = signal[i]; - return FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + (order * subframe_bps) + residual_bits; + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (order * subframe_bps) + residual_bits; + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#endif + + return estimate; } #ifndef FLAC__INTEGER_ONLY_LIBRARY @@ -2478,7 +3534,6 @@ unsigned evaluate_lpc_subframe_( FLAC__StreamEncoder *encoder, const FLAC__int32 signal[], FLAC__int32 residual[], - FLAC__uint32 abs_residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned raw_bits_per_partition[], const FLAC__real lp_coeff[], @@ -2487,9 +3542,9 @@ unsigned evaluate_lpc_subframe_( unsigned order, unsigned qlp_coeff_precision, unsigned rice_parameter, + unsigned rice_parameter_limit, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, FLAC__bool do_escape_coding, unsigned rice_parameter_search_dist, FLAC__Subframe *subframe, @@ -2497,7 +3552,7 @@ unsigned evaluate_lpc_subframe_( ) { FLAC__int32 qlp_coeff[FLAC__MAX_LPC_ORDER]; - unsigned i, residual_bits; + unsigned i, residual_bits, estimate; int quantization, ret; const unsigned residual_samples = blocksize - order; @@ -2505,7 +3560,7 @@ unsigned evaluate_lpc_subframe_( if(subframe_bps <= 16) { FLAC__ASSERT(order > 0); FLAC__ASSERT(order <= FLAC__MAX_LPC_ORDER); - qlp_coeff_precision = min(qlp_coeff_precision, 32 - subframe_bps - FLAC__bitmath_ilog2(order)); + qlp_coeff_precision = flac_min(qlp_coeff_precision, 32 - subframe_bps - FLAC__bitmath_ilog2(order)); } ret = FLAC__lpc_quantize_coefficients(lp_coeff, order, qlp_coeff_precision, qlp_coeff, &quantization); @@ -2530,18 +3585,18 @@ unsigned evaluate_lpc_subframe_( find_best_partition_order_( encoder->private_, residual, - abs_residual, abs_residual_partition_sums, raw_bits_per_partition, residual_samples, order, rice_parameter, + rice_parameter_limit, min_partition_order, max_partition_order, - precompute_partition_sums, + subframe_bps, do_escape_coding, rice_parameter_search_dist, - &subframe->data.fixed.entropy_coding_method.data.partitioned_rice + &subframe->data.lpc.entropy_coding_method ); subframe->data.lpc.order = order; @@ -2551,75 +3606,87 @@ unsigned evaluate_lpc_subframe_( for(i = 0; i < order; i++) subframe->data.lpc.warmup[i] = signal[i]; - return FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN + FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN + (order * (qlp_coeff_precision + subframe_bps)) + residual_bits; + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN + FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN + (order * (qlp_coeff_precision + subframe_bps)) + residual_bits; + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#endif + + return estimate; } #endif unsigned evaluate_verbatim_subframe_( + FLAC__StreamEncoder *encoder, const FLAC__int32 signal[], unsigned blocksize, unsigned subframe_bps, FLAC__Subframe *subframe ) { + unsigned estimate; + subframe->type = FLAC__SUBFRAME_TYPE_VERBATIM; subframe->data.verbatim.data = signal; - return FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + (blocksize * subframe_bps); + estimate = FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN + subframe->wasted_bits + (blocksize * subframe_bps); + +#if SPOTCHECK_ESTIMATE + spotcheck_subframe_estimate_(encoder, blocksize, subframe_bps, subframe, estimate); +#else + (void)encoder; +#endif + + return estimate; } unsigned find_best_partition_order_( FLAC__StreamEncoderPrivate *private_, const FLAC__int32 residual[], - FLAC__uint32 abs_residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned raw_bits_per_partition[], unsigned residual_samples, unsigned predictor_order, unsigned rice_parameter, + unsigned rice_parameter_limit, unsigned min_partition_order, unsigned max_partition_order, - FLAC__bool precompute_partition_sums, + unsigned bps, FLAC__bool do_escape_coding, unsigned rice_parameter_search_dist, - FLAC__EntropyCodingMethod_PartitionedRice *best_partitioned_rice + FLAC__EntropyCodingMethod *best_ecm ) { - FLAC__int32 r; unsigned residual_bits, best_residual_bits = 0; - unsigned residual_sample; unsigned best_parameters_index = 0; + unsigned best_partition_order = 0; const unsigned blocksize = residual_samples + predictor_order; - /* compute abs(residual) for use later */ - for(residual_sample = 0; residual_sample < residual_samples; residual_sample++) { - r = residual[residual_sample]; - abs_residual[residual_sample] = (FLAC__uint32)(r<0? -r : r); - } - max_partition_order = FLAC__format_get_max_rice_partition_order_from_blocksize_limited_max_and_predictor_order(max_partition_order, blocksize, predictor_order); - min_partition_order = min(min_partition_order, max_partition_order); + min_partition_order = flac_min(min_partition_order, max_partition_order); - if(precompute_partition_sums) { - int partition_order; - unsigned sum; + precompute_partition_info_sums_(residual, abs_residual_partition_sums, residual_samples, predictor_order, min_partition_order, max_partition_order, bps); - precompute_partition_info_sums_(abs_residual, abs_residual_partition_sums, residual_samples, predictor_order, min_partition_order, max_partition_order); + if(do_escape_coding) + precompute_partition_info_escapes_(residual, raw_bits_per_partition, residual_samples, predictor_order, min_partition_order, max_partition_order); - if(do_escape_coding) - precompute_partition_info_escapes_(residual, raw_bits_per_partition, residual_samples, predictor_order, min_partition_order, max_partition_order); + { + int partition_order; + unsigned sum; for(partition_order = (int)max_partition_order, sum = 0; partition_order >= (int)min_partition_order; partition_order--) { -#ifdef DONT_ESTIMATE_RICE_BITS if(! - set_partitioned_rice_with_precompute_( + set_partitioned_rice_( +#ifdef EXACT_RICE_BITS_CALCULATION residual, +#endif abs_residual_partition_sums+sum, raw_bits_per_partition+sum, residual_samples, predictor_order, rice_parameter, + rice_parameter_limit, rice_parameter_search_dist, (unsigned)partition_order, do_escape_coding, @@ -2627,23 +3694,6 @@ unsigned find_best_partition_order_( &residual_bits ) ) -#else - if(! - set_partitioned_rice_with_precompute_( - abs_residual, - abs_residual_partition_sums+sum, - raw_bits_per_partition+sum, - residual_samples, - predictor_order, - rice_parameter, - rice_parameter_search_dist, - (unsigned)partition_order, - do_escape_coding, - &private_->partitioned_rice_contents_extra[!best_parameters_index], - &residual_bits - ) - ) -#endif { FLAC__ASSERT(best_residual_bits != 0); break; @@ -2652,117 +3702,119 @@ unsigned find_best_partition_order_( if(best_residual_bits == 0 || residual_bits < best_residual_bits) { best_residual_bits = residual_bits; best_parameters_index = !best_parameters_index; - best_partitioned_rice->order = partition_order; + best_partition_order = partition_order; } } } - else { - unsigned partition_order; - for(partition_order = min_partition_order; partition_order <= max_partition_order; partition_order++) { -#ifdef DONT_ESTIMATE_RICE_BITS - if(! - set_partitioned_rice_( - abs_residual, - residual, - residual_samples, - predictor_order, - rice_parameter, - rice_parameter_search_dist, - partition_order, - &private_->partitioned_rice_contents_extra[!best_parameters_index], - &residual_bits - ) - ) -#else - if(! - set_partitioned_rice_( - abs_residual, - residual_samples, - predictor_order, - rice_parameter, - rice_parameter_search_dist, - partition_order, - &private_->partitioned_rice_contents_extra[!best_parameters_index], - &residual_bits - ) - ) -#endif - { - FLAC__ASSERT(best_residual_bits != 0); + + best_ecm->data.partitioned_rice.order = best_partition_order; + + { + /* + * We are allowed to de-const the pointer based on our special + * knowledge; it is const to the outside world. + */ + FLAC__EntropyCodingMethod_PartitionedRiceContents* prc = (FLAC__EntropyCodingMethod_PartitionedRiceContents*)best_ecm->data.partitioned_rice.contents; + unsigned partition; + + /* save best parameters and raw_bits */ + FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(prc, flac_max(6u, best_partition_order)); + memcpy(prc->parameters, private_->partitioned_rice_contents_extra[best_parameters_index].parameters, sizeof(unsigned)*(1<<(best_partition_order))); + if(do_escape_coding) + memcpy(prc->raw_bits, private_->partitioned_rice_contents_extra[best_parameters_index].raw_bits, sizeof(unsigned)*(1<<(best_partition_order))); + /* + * Now need to check if the type should be changed to + * FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2 based on the + * size of the rice parameters. + */ + for(partition = 0; partition < (1u<parameters[partition] >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { + best_ecm->type = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2; break; } - if(best_residual_bits == 0 || residual_bits < best_residual_bits) { - best_residual_bits = residual_bits; - best_parameters_index = !best_parameters_index; - best_partitioned_rice->order = partition_order; - } } } - /* - * We are allowed to de-const the pointer based on our special knowledge; - * it is const to the outside world. - */ - { - FLAC__EntropyCodingMethod_PartitionedRiceContents* best_partitioned_rice_contents = (FLAC__EntropyCodingMethod_PartitionedRiceContents*)best_partitioned_rice->contents; - FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(best_partitioned_rice_contents, max(6, best_partitioned_rice->order)); - memcpy(best_partitioned_rice_contents->parameters, private_->partitioned_rice_contents_extra[best_parameters_index].parameters, sizeof(unsigned)*(1<<(best_partitioned_rice->order))); - memcpy(best_partitioned_rice_contents->raw_bits, private_->partitioned_rice_contents_extra[best_parameters_index].raw_bits, sizeof(unsigned)*(1<<(best_partitioned_rice->order))); - } - return best_residual_bits; } +#if defined(FLAC__CPU_IA32) && !defined FLAC__NO_ASM && defined FLAC__HAS_NASM +extern void precompute_partition_info_sums_32bit_asm_ia32_( + const FLAC__int32 residual[], + FLAC__uint64 abs_residual_partition_sums[], + unsigned blocksize, + unsigned predictor_order, + unsigned min_partition_order, + unsigned max_partition_order +); +#endif + void precompute_partition_info_sums_( - const FLAC__uint32 abs_residual[], + const FLAC__int32 residual[], FLAC__uint64 abs_residual_partition_sums[], unsigned residual_samples, unsigned predictor_order, unsigned min_partition_order, - unsigned max_partition_order + unsigned max_partition_order, + unsigned bps ) { - int partition_order; - unsigned from_partition, to_partition = 0; - const unsigned blocksize = residual_samples + predictor_order; + const unsigned default_partition_samples = (residual_samples + predictor_order) >> max_partition_order; + unsigned partitions = 1u << max_partition_order; - /* first do max_partition_order */ - for(partition_order = (int)max_partition_order; partition_order >= 0; partition_order--) { - FLAC__uint64 abs_residual_partition_sum; - FLAC__uint32 abs_r; - unsigned partition, partition_sample, partition_samples, residual_sample; - const unsigned partitions = 1u << partition_order; - const unsigned default_partition_samples = blocksize >> partition_order; + FLAC__ASSERT(default_partition_samples > predictor_order); - FLAC__ASSERT(default_partition_samples > predictor_order); +#if defined(FLAC__CPU_IA32) && !defined FLAC__NO_ASM && defined FLAC__HAS_NASM + /* slightly pessimistic but still catches all common cases */ + /* WATCHOUT: "+ bps" is an assumption that the average residual magnitude will not be more than "bps" bits */ + if(FLAC__bitmath_ilog2(default_partition_samples) + bps < 32) { + precompute_partition_info_sums_32bit_asm_ia32_(residual, abs_residual_partition_sums, residual_samples + predictor_order, predictor_order, min_partition_order, max_partition_order); + return; + } +#endif - for(partition = residual_sample = 0; partition < partitions; partition++) { - partition_samples = default_partition_samples; - if(partition == 0) - partition_samples -= predictor_order; - abs_residual_partition_sum = 0; - for(partition_sample = 0; partition_sample < partition_samples; partition_sample++) { - abs_r = abs_residual[residual_sample]; - abs_residual_partition_sum += abs_r; - residual_sample++; + /* first do max_partition_order */ + { + unsigned partition, residual_sample, end = (unsigned)(-(int)predictor_order); + /* slightly pessimistic but still catches all common cases */ + /* WATCHOUT: "+ bps" is an assumption that the average residual magnitude will not be more than "bps" bits */ + if(FLAC__bitmath_ilog2(default_partition_samples) + bps < 32) { + FLAC__uint32 abs_residual_partition_sum; + + for(partition = residual_sample = 0; partition < partitions; partition++) { + end += default_partition_samples; + abs_residual_partition_sum = 0; + for( ; residual_sample < end; residual_sample++) + abs_residual_partition_sum += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */ + abs_residual_partition_sums[partition] = abs_residual_partition_sum; + } + } + else { /* have to pessimistically use 64 bits for accumulator */ + FLAC__uint64 abs_residual_partition_sum; + + for(partition = residual_sample = 0; partition < partitions; partition++) { + end += default_partition_samples; + abs_residual_partition_sum = 0; + for( ; residual_sample < end; residual_sample++) + abs_residual_partition_sum += abs(residual[residual_sample]); /* abs(INT_MIN) is undefined, but if the residual is INT_MIN we have bigger problems */ + abs_residual_partition_sums[partition] = abs_residual_partition_sum; } - abs_residual_partition_sums[partition] = abs_residual_partition_sum; } - to_partition = partitions; - break; } /* now merge partitions for lower orders */ - for(from_partition = 0, --partition_order; partition_order >= (int)min_partition_order; partition_order--) { - FLAC__uint64 s; - unsigned i; - const unsigned partitions = 1u << partition_order; - for(i = 0; i < partitions; i++) { - s = abs_residual_partition_sums[from_partition]; - from_partition++; - abs_residual_partition_sums[to_partition] = s + abs_residual_partition_sums[from_partition]; - from_partition++; - to_partition++; + { + unsigned from_partition = 0, to_partition = partitions; + int partition_order; + for(partition_order = (int)max_partition_order - 1; partition_order >= (int)min_partition_order; partition_order--) { + unsigned i; + partitions >>= 1; + for(i = 0; i < partitions; i++) { + abs_residual_partition_sums[to_partition++] = + abs_residual_partition_sums[from_partition ] + + abs_residual_partition_sums[from_partition+1]; + from_partition += 2; + } } } } @@ -2782,8 +3834,8 @@ void precompute_partition_info_escapes_( /* first do max_partition_order */ for(partition_order = (int)max_partition_order; partition_order >= 0; partition_order--) { - FLAC__int32 r, residual_partition_min, residual_partition_max; - unsigned silog2_min, silog2_max; + FLAC__int32 r; + FLAC__uint32 rmax; unsigned partition, partition_sample, partition_samples, residual_sample; const unsigned partitions = 1u << partition_order; const unsigned default_partition_samples = blocksize >> partition_order; @@ -2794,21 +3846,20 @@ void precompute_partition_info_escapes_( partition_samples = default_partition_samples; if(partition == 0) partition_samples -= predictor_order; - residual_partition_min = residual_partition_max = 0; + rmax = 0; for(partition_sample = 0; partition_sample < partition_samples; partition_sample++) { - r = residual[residual_sample]; - if(r < residual_partition_min) - residual_partition_min = r; - else if(r > residual_partition_max) - residual_partition_max = r; - residual_sample++; + r = residual[residual_sample++]; + /* OPT: maybe faster: rmax |= r ^ (r>>31) */ + if(r < 0) + rmax |= ~r; + else + rmax |= r; } - silog2_min = FLAC__bitmath_silog2(residual_partition_min); - silog2_max = FLAC__bitmath_silog2(residual_partition_max); - raw_bits_per_partition[partition] = max(silog2_min, silog2_max); + /* now we know all residual values are in the range [-rmax-1,rmax] */ + raw_bits_per_partition[partition] = rmax? FLAC__bitmath_ilog2(rmax) + 2 : 1; } to_partition = partitions; - break; + break; /*@@@ yuck, should remove the 'for' loop instead */ } /* now merge partitions for lower orders */ @@ -2819,325 +3870,138 @@ void precompute_partition_info_escapes_( for(i = 0; i < partitions; i++) { m = raw_bits_per_partition[from_partition]; from_partition++; - raw_bits_per_partition[to_partition] = max(m, raw_bits_per_partition[from_partition]); + raw_bits_per_partition[to_partition] = flac_max(m, raw_bits_per_partition[from_partition]); from_partition++; to_partition++; } } } -#ifdef VARIABLE_RICE_BITS -#undef VARIABLE_RICE_BITS -#endif -#ifndef DONT_ESTIMATE_RICE_BITS -#define VARIABLE_RICE_BITS(value, parameter) ((value) >> (parameter)) -#endif - -#ifdef DONT_ESTIMATE_RICE_BITS -FLAC__bool set_partitioned_rice_( - const FLAC__uint32 abs_residual[], - const FLAC__int32 residual[], - const unsigned residual_samples, - const unsigned predictor_order, - const unsigned suggested_rice_parameter, - const unsigned rice_parameter_search_dist, - const unsigned partition_order, - FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, - unsigned *bits +#ifdef EXACT_RICE_BITS_CALCULATION +static inline unsigned count_rice_bits_in_partition_( + const unsigned rice_parameter, + const unsigned partition_samples, + const FLAC__int32 *residual ) +{ + unsigned i, partition_bits = + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */ + (1+rice_parameter) * partition_samples /* 1 for unary stop bit + rice_parameter for the binary portion */ + ; + for(i = 0; i < partition_samples; i++) + partition_bits += ( (FLAC__uint32)((residual[i]<<1)^(residual[i]>>31)) >> rice_parameter ); + return partition_bits; +} #else -FLAC__bool set_partitioned_rice_( - const FLAC__uint32 abs_residual[], - const unsigned residual_samples, - const unsigned predictor_order, - const unsigned suggested_rice_parameter, - const unsigned rice_parameter_search_dist, - const unsigned partition_order, - FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, - unsigned *bits +static inline unsigned count_rice_bits_in_partition_( + const unsigned rice_parameter, + const unsigned partition_samples, + const FLAC__uint64 abs_residual_partition_sum ) -#endif { - unsigned rice_parameter, partition_bits; -#ifndef NO_RICE_SEARCH - unsigned best_partition_bits; - unsigned min_rice_parameter, max_rice_parameter, best_rice_parameter = 0; -#endif - unsigned bits_ = FLAC__ENTROPY_CODING_METHOD_TYPE_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN; - unsigned *parameters; - - FLAC__ASSERT(suggested_rice_parameter < FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER); - - FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, max(6, partition_order)); - parameters = partitioned_rice_contents->parameters; - - if(partition_order == 0) { - unsigned i; - -#ifndef NO_RICE_SEARCH - if(rice_parameter_search_dist) { - if(suggested_rice_parameter < rice_parameter_search_dist) - min_rice_parameter = 0; - else - min_rice_parameter = suggested_rice_parameter - rice_parameter_search_dist; - max_rice_parameter = suggested_rice_parameter + rice_parameter_search_dist; - if(max_rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { -#ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @2\n", max_rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); -#endif - max_rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; - } - } - else - min_rice_parameter = max_rice_parameter = suggested_rice_parameter; - - best_partition_bits = 0xffffffff; - for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) { -#endif -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits = (2+rice_parameter) * residual_samples; -#else - const unsigned rice_parameter_estimate = rice_parameter-1; - partition_bits = (1+rice_parameter) * residual_samples; -#endif -#else - partition_bits = 0; -#endif - partition_bits += FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; - for(i = 0; i < residual_samples; i++) { -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits += VARIABLE_RICE_BITS(abs_residual[i], rice_parameter); -#else - partition_bits += VARIABLE_RICE_BITS(abs_residual[i], rice_parameter_estimate); -#endif -#else - partition_bits += FLAC__bitbuffer_rice_bits(residual[i], rice_parameter); /* NOTE: we will need to pass in residual[] in addition to abs_residual[] */ -#endif - } -#ifndef NO_RICE_SEARCH - if(partition_bits < best_partition_bits) { - best_rice_parameter = rice_parameter; - best_partition_bits = partition_bits; - } - } -#endif - parameters[0] = best_rice_parameter; - bits_ += best_partition_bits; - } - else { - unsigned partition, residual_sample, save_residual_sample, partition_sample; - unsigned partition_samples; - FLAC__uint64 mean, k; - const unsigned partitions = 1u << partition_order; - for(partition = residual_sample = 0; partition < partitions; partition++) { - partition_samples = (residual_samples+predictor_order) >> partition_order; - if(partition == 0) { - if(partition_samples <= predictor_order) - return false; - else - partition_samples -= predictor_order; - } - mean = 0; - save_residual_sample = residual_sample; - for(partition_sample = 0; partition_sample < partition_samples; residual_sample++, partition_sample++) - mean += abs_residual[residual_sample]; - residual_sample = save_residual_sample; -#ifdef FLAC__SYMMETRIC_RICE - mean += partition_samples >> 1; /* for rounding effect */ - mean /= partition_samples; - - /* calc rice_parameter = floor(log2(mean)) */ - rice_parameter = 0; - mean>>=1; - while(mean) { - rice_parameter++; - mean >>= 1; - } -#else - /* calc rice_parameter ala LOCO-I */ - for(rice_parameter = 0, k = partition_samples; k < mean; rice_parameter++, k <<= 1) - ; -#endif - if(rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { -#ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @3\n", rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); -#endif - rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; - } - -#ifndef NO_RICE_SEARCH - if(rice_parameter_search_dist) { - if(rice_parameter < rice_parameter_search_dist) - min_rice_parameter = 0; - else - min_rice_parameter = rice_parameter - rice_parameter_search_dist; - max_rice_parameter = rice_parameter + rice_parameter_search_dist; - if(max_rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { -#ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @4\n", max_rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); -#endif - max_rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; - } - } - else - min_rice_parameter = max_rice_parameter = rice_parameter; - - best_partition_bits = 0xffffffff; - for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) { -#endif -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits = (2+rice_parameter) * partition_samples; -#else - const unsigned rice_parameter_estimate = rice_parameter-1; - partition_bits = (1+rice_parameter) * partition_samples; -#endif -#else - partition_bits = 0; -#endif - partition_bits += FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; - save_residual_sample = residual_sample; - for(partition_sample = 0; partition_sample < partition_samples; residual_sample++, partition_sample++) { -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits += VARIABLE_RICE_BITS(abs_residual[residual_sample], rice_parameter); -#else - partition_bits += VARIABLE_RICE_BITS(abs_residual[residual_sample], rice_parameter_estimate); -#endif -#else - partition_bits += FLAC__bitbuffer_rice_bits(residual[residual_sample], rice_parameter); /* NOTE: we will need to pass in residual[] in addition to abs_residual[] */ -#endif - } -#ifndef NO_RICE_SEARCH - if(rice_parameter != max_rice_parameter) - residual_sample = save_residual_sample; - if(partition_bits < best_partition_bits) { - best_rice_parameter = rice_parameter; - best_partition_bits = partition_bits; - } - } -#endif - parameters[partition] = best_rice_parameter; - bits_ += best_partition_bits; - } - } - - *bits = bits_; - return true; + return + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + /* actually could end up being FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN but err on side of 16bps */ + (1+rice_parameter) * partition_samples + /* 1 for unary stop bit + rice_parameter for the binary portion */ + ( + rice_parameter? + (unsigned)(abs_residual_partition_sum >> (rice_parameter-1)) /* rice_parameter-1 because the real coder sign-folds instead of using a sign bit */ + : (unsigned)(abs_residual_partition_sum << 1) /* can't shift by negative number, so reverse */ + ) + - (partition_samples >> 1) + /* -(partition_samples>>1) to subtract out extra contributions to the abs_residual_partition_sum. + * The actual number of bits used is closer to the sum(for all i in the partition) of abs(residual[i])>>(rice_parameter-1) + * By using the abs_residual_partition sum, we also add in bits in the LSBs that would normally be shifted out. + * So the subtraction term tries to guess how many extra bits were contributed. + * If the LSBs are randomly distributed, this should average to 0.5 extra bits per sample. + */ + ; } +#endif -#ifdef DONT_ESTIMATE_RICE_BITS -FLAC__bool set_partitioned_rice_with_precompute_( +FLAC__bool set_partitioned_rice_( +#ifdef EXACT_RICE_BITS_CALCULATION const FLAC__int32 residual[], +#endif const FLAC__uint64 abs_residual_partition_sums[], const unsigned raw_bits_per_partition[], const unsigned residual_samples, const unsigned predictor_order, const unsigned suggested_rice_parameter, + const unsigned rice_parameter_limit, const unsigned rice_parameter_search_dist, const unsigned partition_order, const FLAC__bool search_for_escapes, FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, unsigned *bits ) -#else -FLAC__bool set_partitioned_rice_with_precompute_( - const FLAC__uint32 abs_residual[], - const FLAC__uint64 abs_residual_partition_sums[], - const unsigned raw_bits_per_partition[], - const unsigned residual_samples, - const unsigned predictor_order, - const unsigned suggested_rice_parameter, - const unsigned rice_parameter_search_dist, - const unsigned partition_order, - const FLAC__bool search_for_escapes, - FLAC__EntropyCodingMethod_PartitionedRiceContents *partitioned_rice_contents, - unsigned *bits -) -#endif { unsigned rice_parameter, partition_bits; -#ifndef NO_RICE_SEARCH - unsigned best_partition_bits; - unsigned min_rice_parameter, max_rice_parameter, best_rice_parameter = 0; -#endif - unsigned flat_bits; + unsigned best_partition_bits, best_rice_parameter = 0; unsigned bits_ = FLAC__ENTROPY_CODING_METHOD_TYPE_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN; unsigned *parameters, *raw_bits; +#ifdef ENABLE_RICE_PARAMETER_SEARCH + unsigned min_rice_parameter, max_rice_parameter; +#else + (void)rice_parameter_search_dist; +#endif - FLAC__ASSERT(suggested_rice_parameter < FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER); + FLAC__ASSERT(suggested_rice_parameter < FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER); + FLAC__ASSERT(rice_parameter_limit <= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER); - FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, max(6, partition_order)); + FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, flac_max(6u, partition_order)); parameters = partitioned_rice_contents->parameters; raw_bits = partitioned_rice_contents->raw_bits; if(partition_order == 0) { - unsigned i; - -#ifndef NO_RICE_SEARCH + best_partition_bits = (unsigned)(-1); +#ifdef ENABLE_RICE_PARAMETER_SEARCH if(rice_parameter_search_dist) { if(suggested_rice_parameter < rice_parameter_search_dist) min_rice_parameter = 0; else min_rice_parameter = suggested_rice_parameter - rice_parameter_search_dist; max_rice_parameter = suggested_rice_parameter + rice_parameter_search_dist; - if(max_rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { + if(max_rice_parameter >= rice_parameter_limit) { #ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @5\n", max_rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); + fprintf(stderr, "clipping rice_parameter (%u -> %u) @5\n", max_rice_parameter, rice_parameter_limit - 1); #endif - max_rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; + max_rice_parameter = rice_parameter_limit - 1; } } else min_rice_parameter = max_rice_parameter = suggested_rice_parameter; - best_partition_bits = 0xffffffff; for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) { -#endif -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits = (2+rice_parameter) * residual_samples; -#else - const unsigned rice_parameter_estimate = rice_parameter-1; - partition_bits = (1+rice_parameter) * residual_samples; -#endif -#else - partition_bits = 0; -#endif - partition_bits += FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; - for(i = 0; i < residual_samples; i++) { -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits += VARIABLE_RICE_BITS(abs_residual[i], rice_parameter); #else - partition_bits += VARIABLE_RICE_BITS(abs_residual[i], rice_parameter_estimate); + rice_parameter = suggested_rice_parameter; #endif +#ifdef EXACT_RICE_BITS_CALCULATION + partition_bits = count_rice_bits_in_partition_(rice_parameter, residual_samples, residual); #else - partition_bits += FLAC__bitbuffer_rice_bits(residual[i], rice_parameter); /* NOTE: we will need to pass in residual[] instead of abs_residual[] */ + partition_bits = count_rice_bits_in_partition_(rice_parameter, residual_samples, abs_residual_partition_sums[0]); #endif - } -#ifndef NO_RICE_SEARCH if(partition_bits < best_partition_bits) { best_rice_parameter = rice_parameter; best_partition_bits = partition_bits; } +#ifdef ENABLE_RICE_PARAMETER_SEARCH } #endif if(search_for_escapes) { - flat_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[0] * residual_samples; - if(flat_bits <= best_partition_bits) { + partition_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[0] * residual_samples; + if(partition_bits <= best_partition_bits) { raw_bits[0] = raw_bits_per_partition[0]; - best_rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER; - best_partition_bits = flat_bits; + best_rice_parameter = 0; /* will be converted to appropriate escape parameter later */ + best_partition_bits = partition_bits; } + else + raw_bits[0] = 0; } parameters[0] = best_rice_parameter; bits_ += best_partition_bits; } else { - unsigned partition, residual_sample, save_residual_sample, partition_sample; + unsigned partition, residual_sample; unsigned partition_samples; FLAC__uint64 mean, k; const unsigned partitions = 1u << partition_order; @@ -3150,91 +4014,68 @@ FLAC__bool set_partitioned_rice_with_precompute_( partition_samples -= predictor_order; } mean = abs_residual_partition_sums[partition]; -#ifdef FLAC__SYMMETRIC_RICE - mean += partition_samples >> 1; /* for rounding effect */ - mean /= partition_samples; - - /* calc rice_parameter = floor(log2(mean)) */ - rice_parameter = 0; - mean>>=1; - while(mean) { - rice_parameter++; - mean >>= 1; - } -#else - /* calc rice_parameter ala LOCO-I */ + /* we are basically calculating the size in bits of the + * average residual magnitude in the partition: + * rice_parameter = floor(log2(mean/partition_samples)) + * 'mean' is not a good name for the variable, it is + * actually the sum of magnitudes of all residual values + * in the partition, so the actual mean is + * mean/partition_samples + */ for(rice_parameter = 0, k = partition_samples; k < mean; rice_parameter++, k <<= 1) ; -#endif - if(rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { + if(rice_parameter >= rice_parameter_limit) { #ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @6\n", rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); + fprintf(stderr, "clipping rice_parameter (%u -> %u) @6\n", rice_parameter, rice_parameter_limit - 1); #endif - rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; + rice_parameter = rice_parameter_limit - 1; } -#ifndef NO_RICE_SEARCH + best_partition_bits = (unsigned)(-1); +#ifdef ENABLE_RICE_PARAMETER_SEARCH if(rice_parameter_search_dist) { if(rice_parameter < rice_parameter_search_dist) min_rice_parameter = 0; else min_rice_parameter = rice_parameter - rice_parameter_search_dist; max_rice_parameter = rice_parameter + rice_parameter_search_dist; - if(max_rice_parameter >= FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) { + if(max_rice_parameter >= rice_parameter_limit) { #ifdef DEBUG_VERBOSE - fprintf(stderr, "clipping rice_parameter (%u -> %u) @7\n", max_rice_parameter, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1); + fprintf(stderr, "clipping rice_parameter (%u -> %u) @7\n", max_rice_parameter, rice_parameter_limit - 1); #endif - max_rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER - 1; + max_rice_parameter = rice_parameter_limit - 1; } } else min_rice_parameter = max_rice_parameter = rice_parameter; - best_partition_bits = 0xffffffff; for(rice_parameter = min_rice_parameter; rice_parameter <= max_rice_parameter; rice_parameter++) { #endif -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits = (2+rice_parameter) * partition_samples; -#else - const unsigned rice_parameter_estimate = rice_parameter-1; - partition_bits = (1+rice_parameter) * partition_samples; -#endif +#ifdef EXACT_RICE_BITS_CALCULATION + partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, residual+residual_sample); #else - partition_bits = 0; -#endif - partition_bits += FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN; - save_residual_sample = residual_sample; - for(partition_sample = 0; partition_sample < partition_samples; residual_sample++, partition_sample++) { -#ifdef VARIABLE_RICE_BITS -#ifdef FLAC__SYMMETRIC_RICE - partition_bits += VARIABLE_RICE_BITS(abs_residual[residual_sample], rice_parameter); -#else - partition_bits += VARIABLE_RICE_BITS(abs_residual[residual_sample], rice_parameter_estimate); -#endif -#else - partition_bits += FLAC__bitbuffer_rice_bits(residual[residual_sample], rice_parameter); /* NOTE: we will need to pass in residual[] instead of abs_residual[] */ + partition_bits = count_rice_bits_in_partition_(rice_parameter, partition_samples, abs_residual_partition_sums[partition]); #endif - } -#ifndef NO_RICE_SEARCH - if(rice_parameter != max_rice_parameter) - residual_sample = save_residual_sample; if(partition_bits < best_partition_bits) { best_rice_parameter = rice_parameter; best_partition_bits = partition_bits; } +#ifdef ENABLE_RICE_PARAMETER_SEARCH } #endif if(search_for_escapes) { - flat_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[partition] * partition_samples; - if(flat_bits <= best_partition_bits) { + partition_bits = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN + FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN + raw_bits_per_partition[partition] * partition_samples; + if(partition_bits <= best_partition_bits) { raw_bits[partition] = raw_bits_per_partition[partition]; - best_rice_parameter = FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER; - best_partition_bits = flat_bits; + best_rice_parameter = 0; /* will be converted to appropriate escape parameter later */ + best_partition_bits = partition_bits; } + else + raw_bits[partition] = 0; } parameters[partition] = best_rice_parameter; bits_ += best_partition_bits; + residual_sample += partition_samples; } } @@ -3295,10 +4136,10 @@ void append_to_verify_fifo_interleaved_(verify_input_fifo *fifo, const FLAC__int FLAC__ASSERT(fifo->tail <= fifo->size); } -FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data) +FLAC__StreamDecoderReadStatus verify_read_callback_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data) { FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder*)client_data; - const unsigned encoded_bytes = encoder->private_->verify.output.bytes; + const size_t encoded_bytes = encoder->private_->verify.output.bytes; (void)decoder; if(encoder->private_->verify.needs_magic_hack) { @@ -3330,10 +4171,12 @@ FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder { FLAC__StreamEncoder *encoder = (FLAC__StreamEncoder *)client_data; unsigned channel; - const unsigned channels = FLAC__stream_decoder_get_channels(decoder); + const unsigned channels = frame->header.channels; const unsigned blocksize = frame->header.blocksize; const unsigned bytes_per_block = sizeof(FLAC__int32) * blocksize; + (void)decoder; + for(channel = 0; channel < channels; channel++) { if(0 != memcmp(buffer[channel], encoder->private_->verify.input_fifo.data[channel], bytes_per_block)) { unsigned i, sample = 0; @@ -3360,10 +4203,10 @@ FLAC__StreamDecoderWriteStatus verify_write_callback_(const FLAC__StreamDecoder } } /* dequeue the frame from the fifo */ - for(channel = 0; channel < channels; channel++) { - memmove(&encoder->private_->verify.input_fifo.data[channel][0], &encoder->private_->verify.input_fifo.data[channel][blocksize], encoder->private_->verify.input_fifo.tail - blocksize); - } encoder->private_->verify.input_fifo.tail -= blocksize; + FLAC__ASSERT(encoder->private_->verify.input_fifo.tail <= OVERREAD_); + for(channel = 0; channel < channels; channel++) + memmove(&encoder->private_->verify.input_fifo.data[channel][0], &encoder->private_->verify.input_fifo.data[channel][blocksize], encoder->private_->verify.input_fifo.tail * sizeof(encoder->private_->verify.input_fifo.data[0][0])); return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE; } @@ -3378,3 +4221,108 @@ void verify_error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDeco (void)decoder, (void)status; encoder->protected_->state = FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR; } + +FLAC__StreamEncoderReadStatus file_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data) +{ + (void)client_data; + + *bytes = fread(buffer, 1, *bytes, encoder->private_->file); + if (*bytes == 0) { + if (feof(encoder->private_->file)) + return FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM; + else if (ferror(encoder->private_->file)) + return FLAC__STREAM_ENCODER_READ_STATUS_ABORT; + } + return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE; +} + +FLAC__StreamEncoderSeekStatus file_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data) +{ + (void)client_data; + + if(fseeko(encoder->private_->file, (off_t)absolute_byte_offset, SEEK_SET) < 0) + return FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR; + else + return FLAC__STREAM_ENCODER_SEEK_STATUS_OK; +} + +FLAC__StreamEncoderTellStatus file_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data) +{ + off_t offset; + + (void)client_data; + + offset = ftello(encoder->private_->file); + + if(offset < 0) { + return FLAC__STREAM_ENCODER_TELL_STATUS_ERROR; + } + else { + *absolute_byte_offset = (FLAC__uint64)offset; + return FLAC__STREAM_ENCODER_TELL_STATUS_OK; + } +} + +#ifdef FLAC__VALGRIND_TESTING +static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream) +{ + size_t ret = fwrite(ptr, size, nmemb, stream); + if(!ferror(stream)) + fflush(stream); + return ret; +} +#else +#define local__fwrite fwrite +#endif + +FLAC__StreamEncoderWriteStatus file_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, void *client_data) +{ + (void)client_data, (void)current_frame; + + if(local__fwrite(buffer, sizeof(FLAC__byte), bytes, encoder->private_->file) == bytes) { + FLAC__bool call_it = 0 != encoder->private_->progress_callback && ( +#if FLAC__HAS_OGG + /* We would like to be able to use 'samples > 0' in the + * clause here but currently because of the nature of our + * Ogg writing implementation, 'samples' is always 0 (see + * ogg_encoder_aspect.c). The downside is extra progress + * callbacks. + */ + encoder->private_->is_ogg? true : +#endif + samples > 0 + ); + if(call_it) { + /* NOTE: We have to add +bytes, +samples, and +1 to the stats + * because at this point in the callback chain, the stats + * have not been updated. Only after we return and control + * gets back to write_frame_() are the stats updated + */ + encoder->private_->progress_callback(encoder, encoder->private_->bytes_written+bytes, encoder->private_->samples_written+samples, encoder->private_->frames_written+(samples?1:0), encoder->private_->total_frames_estimate, encoder->private_->client_data); + } + return FLAC__STREAM_ENCODER_WRITE_STATUS_OK; + } + else + return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR; +} + +/* + * This will forcibly set stdout to binary mode (for OSes that require it) + */ +FILE *get_binary_stdout_(void) +{ + /* if something breaks here it is probably due to the presence or + * absence of an underscore before the identifiers 'setmode', + * 'fileno', and/or 'O_BINARY'; check your system header files. + */ +#if defined _MSC_VER || defined __MINGW32__ + _setmode(_fileno(stdout), _O_BINARY); +#elif defined __CYGWIN__ + /* almost certainly not needed for any modern Cygwin, but let's be safe... */ + setmode(_fileno(stdout), _O_BINARY); +#elif defined __EMX__ + setmode(fileno(stdout), O_BINARY); +#endif + + return stdout; +}