1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #if defined _WIN32 && !defined __CYGWIN__
24 /* where MSVC puts unlink() */
29 #if defined _MSC_VER || defined __MINGW32__
30 #include <sys/types.h> /* for off_t */
31 #if _MSC_VER <= 1600 /* @@@ [2G limit] */
37 #include <limits.h> /* for LONG_MAX */
38 #include <math.h> /* for floor() */
39 #include <stdio.h> /* for FILE etc. */
40 #include <stdlib.h> /* for malloc */
41 #include <string.h> /* for strcmp(), strerror() */
43 #include "share/alloc.h"
44 #include "share/grabbag.h"
50 #define min(x,y) ((x)<(y)?(x):(y))
54 #define max(x,y) ((x)>(y)?(x):(y))
56 /* this MUST be >= 588 so that sector aligning can take place with one read */
57 #define CHUNK_OF_SAMPLES 2048
62 unsigned bits_per_sample; /* width of sample point, including 'shift' bits, valid bps is bits_per_sample-shift */
63 unsigned shift; /* # of LSBs samples have been shifted left by */
64 unsigned bytes_per_wide_sample; /* for convenience, always == channels*((bps+7)/8), or 0 if N/A to input format (like FLAC) */
65 FLAC__bool is_unsigned_samples;
66 FLAC__bool is_big_endian;
67 FLAC__uint32 channel_mask;
70 /* this is the client_data attached to the FLAC decoder when encoding from a FLAC file */
73 const FLAC__byte *lookahead;
74 unsigned lookahead_length;
75 size_t num_metadata_blocks;
76 FLAC__StreamMetadata *metadata_blocks[1024]; /*@@@ BAD MAGIC number */
77 FLAC__uint64 samples_left_to_process;
78 FLAC__bool fatal_error;
87 FLAC__bool outputfile_opened; /* true if we successfully opened the output file and we want it to be deleted if there is an error */
88 const char *inbasefilename;
89 const char *infilename;
90 const char *outfilename;
92 FLAC__bool treat_warnings_as_errors;
93 FLAC__bool continue_through_decode_errors;
94 FLAC__bool replay_gain;
95 FLAC__uint64 total_samples_to_encode; /* (i.e. "wide samples" aka "sample frames") WATCHOUT: may be 0 to mean 'unknown' */
96 FLAC__uint64 unencoded_size; /* an estimate of the input size, only used in the progress indicator */
97 FLAC__uint64 bytes_written;
98 FLAC__uint64 samples_written;
110 FLAC__StreamDecoder *decoder;
111 FLACDecoderData client_data;
115 FLAC__StreamEncoder *encoder;
118 FLAC__StreamMetadata *seek_table_template;
121 const int FLAC_ENCODE__DEFAULT_PADDING = 8192;
123 static FLAC__bool is_big_endian_host_;
125 static unsigned char ucbuffer_[CHUNK_OF_SAMPLES*FLAC__MAX_CHANNELS*((FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE+7)/8)];
126 static signed char *scbuffer_ = (signed char *)ucbuffer_;
127 static FLAC__uint16 *usbuffer_ = (FLAC__uint16 *)ucbuffer_;
128 static FLAC__int16 *ssbuffer_ = (FLAC__int16 *)ucbuffer_;
130 static FLAC__int32 in_[FLAC__MAX_CHANNELS][CHUNK_OF_SAMPLES];
131 static FLAC__int32 *input_[FLAC__MAX_CHANNELS];
135 * unpublished debug routines from the FLAC libs
137 extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
138 extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
139 extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
140 extern FLAC__bool FLAC__stream_encoder_set_do_md5(FLAC__StreamEncoder *encoder, FLAC__bool value);
145 static FLAC__bool EncoderSession_construct(EncoderSession *e, encode_options_t options, off_t infilesize, FILE *infile, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length);
146 static void EncoderSession_destroy(EncoderSession *e);
147 static int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero, foreign_metadata_t *foreign_metadata);
148 static int EncoderSession_finish_error(EncoderSession *e);
149 static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options);
150 static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples);
151 static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e);
152 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
153 static FLAC__bool verify_metadata(const EncoderSession *e, FLAC__StreamMetadata **metadata, unsigned num_metadata);
154 static FLAC__bool format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps, unsigned shift, size_t *channel_map);
155 static void encoder_progress_callback(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data);
156 static FLAC__StreamDecoderReadStatus flac_decoder_read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
157 static FLAC__StreamDecoderSeekStatus flac_decoder_seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data);
158 static FLAC__StreamDecoderTellStatus flac_decoder_tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
159 static FLAC__StreamDecoderLengthStatus flac_decoder_length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data);
160 static FLAC__bool flac_decoder_eof_callback(const FLAC__StreamDecoder *decoder, void *client_data);
161 static FLAC__StreamDecoderWriteStatus flac_decoder_write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
162 static void flac_decoder_metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
163 static void flac_decoder_error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
164 static FLAC__bool parse_cuesheet(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset, FLAC__bool treat_warnings_as_errors);
165 static void print_stats(const EncoderSession *encoder_session);
166 static void print_error_with_init_status(const EncoderSession *e, const char *message, FLAC__StreamEncoderInitStatus init_status);
167 static void print_error_with_state(const EncoderSession *e, const char *message);
168 static void print_verify_error(EncoderSession *e);
169 static FLAC__bool read_bytes(FILE *f, FLAC__byte *buf, size_t n, FLAC__bool eof_ok, const char *fn);
170 static FLAC__bool read_uint16(FILE *f, FLAC__bool big_endian, FLAC__uint16 *val, const char *fn);
171 static FLAC__bool read_uint32(FILE *f, FLAC__bool big_endian, FLAC__uint32 *val, const char *fn);
172 static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, const char *fn);
173 static FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset);
174 static unsigned count_channel_mask_bits(FLAC__uint32 mask);
176 static FLAC__uint32 limit_channel_mask(FLAC__uint32 mask, unsigned channels);
179 static FLAC__bool get_sample_info_raw(EncoderSession *e, encode_options_t options)
181 e->info.sample_rate = options.format_options.raw.sample_rate;
182 e->info.channels = options.format_options.raw.channels;
183 e->info.bits_per_sample = options.format_options.raw.bps;
185 e->info.bytes_per_wide_sample = options.format_options.raw.channels * ((options.format_options.raw.bps+7)/8);
186 e->info.is_unsigned_samples = options.format_options.raw.is_unsigned_samples;
187 e->info.is_big_endian = options.format_options.raw.is_big_endian;
188 e->info.channel_mask = 0;
193 static FLAC__bool get_sample_info_wave(EncoderSession *e, encode_options_t options)
195 FLAC__bool got_fmt_chunk = false, got_data_chunk = false;
196 unsigned sample_rate = 0, channels = 0, bps = 0, shift = 0;
197 FLAC__uint32 channel_mask = 0;
198 size_t data_bytes = 0;
200 e->info.is_unsigned_samples = false;
201 e->info.is_big_endian = false;
204 * lookahead[] already has "RIFFxxxxWAVE", do "fmt" chunk and beginning of "data" chunk
206 while(!feof(e->fin) && !got_data_chunk) {
207 char chunk_id[5] = { '\0', '\0', '\0', '\0', '\0' }; /* one extra byte for terminating NUL so we can also treat it like a C string */
208 if(!read_bytes(e->fin, (FLAC__byte*)chunk_id, 4, /*eof_ok=*/true, e->inbasefilename)) {
209 flac__utils_printf(stderr, 1, "%s: ERROR: incomplete chunk identifier\n", e->inbasefilename);
215 if(!memcmp(chunk_id, "fmt ", 4)) { /* format chunk */
218 FLAC__uint16 wFormatTag; /* wFormatTag word from the 'fmt ' chunk */
219 unsigned block_align;
222 flac__utils_printf(stderr, 1, "%s: ERROR: file has multiple 'fmt ' chunks\n", e->inbasefilename);
227 * http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
228 * http://windowssdk.msdn.microsoft.com/en-us/library/ms713497.aspx
229 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/audio_r/hh/Audio_r/aud-prop_d40f094e-44f9-4baa-8a15-03e4fb369501.xml.asp
233 * 2 byte: format type: 1 for WAVE_FORMAT_PCM, 65534 for WAVE_FORMAT_EXTENSIBLE
235 * 4 byte: sample rate (Hz)
236 * 4 byte: avg bytes per sec
237 * 2 byte: block align
238 * 2 byte: bits per sample (not necessarily all significant)
240 * 2 byte: extension size in bytes (usually 0 for WAVEFORMATEX and 22 for WAVEFORMATEXTENSIBLE with PCM)
241 * WAVEFORMATEXTENSIBLE adds
242 * 2 byte: valid bits per sample
243 * 4 byte: channel mask
244 * 16 byte: subformat GUID, first 2 bytes have format type, 1 being PCM
246 * Current spec says WAVEFORMATEX with PCM must have bps == 8 or 16, or any multiple of 8 for WAVEFORMATEXTENSIBLE.
247 * Lots of old broken WAVEs/apps have don't follow it, e.g. 20 bps but a block align of 3/6 for mono/stereo.
249 * Block align for WAVE_FORMAT_PCM or WAVE_FORMAT_EXTENSIBLE is also supposed to be channels*bps/8
251 * If the channel mask has more set bits than # of channels, the extra MSBs are ignored.
252 * If the channel mask has less set bits than # of channels, the extra channels are unassigned to any speaker.
254 * Data is supposed to be unsigned for bps <= 8 else signed.
258 if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename))
261 if(data_bytes < 16) {
262 flac__utils_printf(stderr, 1, "%s: ERROR: non-standard 'fmt ' chunk has length = %u\n", e->inbasefilename, (unsigned)data_bytes);
267 if(!read_uint16(e->fin, /*big_endian=*/false, &wFormatTag, e->inbasefilename))
269 if(wFormatTag != 1 /*WAVE_FORMAT_PCM*/ && wFormatTag != 65534 /*WAVE_FORMAT_EXTENSIBLE*/) {
270 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported format type %u\n", e->inbasefilename, (unsigned)wFormatTag);
274 /* number of channels */
275 if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename))
277 channels = (unsigned)x;
280 if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename))
284 /* avg bytes per second (ignored) */
285 if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename))
288 if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename))
290 block_align = (unsigned)x;
291 /* bits per sample */
292 if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename))
296 e->info.is_unsigned_samples = (bps <= 8);
298 if(wFormatTag == 1) {
299 if(bps != 8 && bps != 16) {
300 if(bps == 24 || bps == 32) {
301 /* let these slide with a warning since they're unambiguous */
302 flac__utils_printf(stderr, 1, "%s: WARNING: legacy WAVE file has format type %u but bits-per-sample=%u\n", e->inbasefilename, (unsigned)wFormatTag, bps);
303 if(e->treat_warnings_as_errors)
307 /* @@@ we could add an option to specify left- or right-justified blocks so we knew how to set 'shift' */
308 flac__utils_printf(stderr, 1, "%s: ERROR: legacy WAVE file has format type %u but bits-per-sample=%u\n", e->inbasefilename, (unsigned)wFormatTag, bps);
312 #if 0 /* @@@ reinstate once we can get an answer about whether the samples are left- or right-justified */
313 if((bps+7)/8 * channels == block_align) {
315 /* assume legacy file is byte aligned with some LSBs zero; this is double-checked in format_input() */
316 flac__utils_printf(stderr, 1, "%s: WARNING: legacy WAVE file (format type %d) has block alignment=%u, bits-per-sample=%u, channels=%u\n", e->inbasefilename, (unsigned)wFormatTag, block_align, bps, channels);
317 if(e->treat_warnings_as_errors)
319 shift = 8 - (bps % 8);
326 flac__utils_printf(stderr, 1, "%s: ERROR: illegal WAVE file (format type %d) has block alignment=%u, bits-per-sample=%u, channels=%u\n", e->inbasefilename, (unsigned)wFormatTag, block_align, bps, channels);
332 if(channels > 2 && !options.channel_map_none) {
333 flac__utils_printf(stderr, 1, "%s: ERROR: WAVE has >2 channels but is not WAVE_FORMAT_EXTENSIBLE; cannot assign channels\n", e->inbasefilename);
336 FLAC__ASSERT(data_bytes >= 16);
340 if(data_bytes < 40) {
341 flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with size %u\n", e->inbasefilename, (unsigned)data_bytes);
345 if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename))
348 flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with cbSize %u\n", e->inbasefilename, (unsigned)x);
352 if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename))
354 if((unsigned)x > bps) {
355 flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with wValidBitsPerSample (%u) > wBitsPerSample (%u)\n", e->inbasefilename, (unsigned)x, bps);
358 shift = bps - (unsigned)x;
360 if(!read_uint32(e->fin, /*big_endian=*/false, &channel_mask, e->inbasefilename))
362 /* for mono/stereo and unassigned channels, we fake the mask */
363 if(channel_mask == 0) {
365 channel_mask = 0x0001;
366 else if(channels == 2)
367 channel_mask = 0x0003;
369 /* set channel mapping */
370 /* FLAC order follows SMPTE and WAVEFORMATEXTENSIBLE but with fewer channels, which are: */
371 /* front left, front right, center, LFE, back left, back right, surround left, surround right */
372 /* the default mapping is sufficient for 1-6 channels and 7-8 are currently unspecified anyway */
374 /* @@@ example for dolby/vorbis order, for reference later in case it becomes important */
376 options.channel_map_none ||
377 channel_mask == 0x0001 || /* 1 channel: (mono) */
378 channel_mask == 0x0003 || /* 2 channels: front left, front right */
379 channel_mask == 0x0033 || /* 4 channels: front left, front right, back left, back right */
380 channel_mask == 0x0603 /* 4 channels: front left, front right, side left, side right */
382 /* keep default channel order */
385 channel_mask == 0x0007 || /* 3 channels: front left, front right, front center */
386 channel_mask == 0x0037 || /* 5 channels: front left, front right, front center, back left, back right */
387 channel_mask == 0x0607 /* 5 channels: front left, front right, front center, side left, side right */
389 /* to dolby order: front left, center, front right [, surround left, surround right ] */
394 channel_mask == 0x003f || /* 6 channels: front left, front right, front center, LFE, back left, back right */
395 channel_mask == 0x060f /* 6 channels: front left, front right, front center, LFE, side left, side right */
397 /* to dolby order: front left, center, front right, surround left, surround right, LFE */
406 options.channel_map_none ||
407 channel_mask == 0x0001 || /* 1 channel: (mono) */
408 channel_mask == 0x0003 || /* 2 channels: front left, front right */
409 channel_mask == 0x0007 || /* 3 channels: front left, front right, front center */
410 channel_mask == 0x0033 || /* 4 channels: front left, front right, back left, back right */
411 channel_mask == 0x0603 || /* 4 channels: front left, front right, side left, side right */
412 channel_mask == 0x0037 || /* 5 channels: front left, front right, front center, back left, back right */
413 channel_mask == 0x0607 || /* 5 channels: front left, front right, front center, side left, side right */
414 channel_mask == 0x003f || /* 6 channels: front left, front right, front center, LFE, back left, back right */
415 channel_mask == 0x060f /* 6 channels: front left, front right, front center, LFE, side left, side right */
417 /* keep default channel order */
421 flac__utils_printf(stderr, 1, "%s: ERROR: WAVEFORMATEXTENSIBLE chunk with unsupported channel mask=0x%04X\n\nUse --channel-map=none option to store channels in current order; FLAC files\nmust also be decoded with --channel-map=none to restore correct order.\n", e->inbasefilename, (unsigned)channel_mask);
424 if(!options.channel_map_none) {
425 if(count_channel_mask_bits(channel_mask) < channels) {
426 flac__utils_printf(stderr, 1, "%s: ERROR: WAVEFORMATEXTENSIBLE chunk: channel mask 0x%04X has unassigned channels (#channels=%u)\n", e->inbasefilename, (unsigned)channel_mask, channels);
430 /* supporting this is too difficult with channel mapping; e.g. what if mask is 0x003f but #channels=4?
431 * there would be holes in the order that would have to be filled in, or the mask would have to be
432 * limited and the logic above rerun to see if it still fits into the FLAC mapping.
434 else if(count_channel_mask_bits(channel_mask) > channels)
435 channel_mask = limit_channel_mask(channel_mask, channels);
437 else if(count_channel_mask_bits(channel_mask) > channels) {
438 flac__utils_printf(stderr, 1, "%s: ERROR: WAVEFORMATEXTENSIBLE chunk: channel mask 0x%04X has extra bits for non-existant channels (#channels=%u)\n", e->inbasefilename, (unsigned)channel_mask, channels);
443 /* first part of GUID */
444 if(!read_uint16(e->fin, /*big_endian=*/false, &x, e->inbasefilename))
447 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported WAVEFORMATEXTENSIBLE chunk with non-PCM format %u\n", e->inbasefilename, (unsigned)x);
453 e->info.bytes_per_wide_sample = channels * (bps / 8);
455 /* skip any extra data in the fmt chunk */
456 if(!fskip_ahead(e->fin, data_bytes)) {
457 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over extra 'fmt' data\n", e->inbasefilename);
461 got_fmt_chunk = true;
463 else if(!memcmp(chunk_id, "data", 4)) { /* data chunk */
467 flac__utils_printf(stderr, 1, "%s: ERROR: got 'data' chunk before 'fmt' chunk\n", e->inbasefilename);
472 if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename))
474 if(options.ignore_chunk_sizes) {
475 FLAC__ASSERT(!options.sector_align);
477 flac__utils_printf(stderr, 1, "%s: WARNING: \"data\" chunk has non-zero size, using --ignore-chunk-sizes is probably a bad idea\n", e->inbasefilename, chunk_id);
478 if(e->treat_warnings_as_errors)
481 data_bytes = (size_t)0 - (size_t)e->info.bytes_per_wide_sample; /* max out data_bytes; we'll use EOF as signal to stop reading */
485 if(0 == data_bytes) {
486 flac__utils_printf(stderr, 1, "%s: ERROR: 'data' chunk has size of 0\n", e->inbasefilename);
491 e->fmt.iff.data_bytes = data_bytes;
492 e->fmt.iff.pad = (data_bytes & 1) ? true : false;
494 got_data_chunk = true;
499 if(!options.format_options.iff.foreign_metadata) {
500 flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown chunk '%s' (use --keep-foreign-metadata to keep)\n", e->inbasefilename, chunk_id);
501 if(e->treat_warnings_as_errors)
506 if(!read_uint32(e->fin, /*big_endian=*/false, &xx, e->inbasefilename))
509 unsigned long skip = xx + (xx & 1);
511 FLAC__ASSERT(skip <= LONG_MAX);
512 if(!fskip_ahead(e->fin, skip)) {
513 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over chunk\n", e->inbasefilename);
521 flac__utils_printf(stderr, 1, "%s: ERROR: didn't find fmt chunk\n", e->inbasefilename);
524 if(!got_data_chunk) {
525 flac__utils_printf(stderr, 1, "%s: ERROR: didn't find data chunk\n", e->inbasefilename);
529 e->info.sample_rate = sample_rate;
530 e->info.channels = channels;
531 e->info.bits_per_sample = bps;
532 e->info.shift = shift;
533 e->info.channel_mask = channel_mask;
538 static FLAC__bool get_sample_info_aiff(EncoderSession *e, encode_options_t options)
540 FLAC__bool got_comm_chunk = false, got_ssnd_chunk = false;
541 unsigned sample_rate = 0, channels = 0, bps = 0, shift = 0, sample_frames = 0;
542 FLAC__uint32 channel_mask = 0;
544 e->info.is_unsigned_samples = false;
545 e->info.is_big_endian = true;
548 * lookahead[] already has "FORMxxxxAIFF", do chunks
550 while(!feof(e->fin) && !got_ssnd_chunk) {
551 char chunk_id[5] = { '\0', '\0', '\0', '\0', '\0' }; /* one extra byte for terminating NUL so we can also treat it like a C string */
552 if(!read_bytes(e->fin, (FLAC__byte*)chunk_id, 4, /*eof_ok=*/true, e->inbasefilename)) {
553 flac__utils_printf(stderr, 1, "%s: ERROR: incomplete chunk identifier\n", e->inbasefilename);
559 if(!memcmp(chunk_id, "COMM", 4)) { /* common chunk */
563 const FLAC__bool is_aifc = options.format == FORMAT_AIFF_C;
564 const FLAC__uint32 minimum_comm_size = (is_aifc? 22 : 18);
567 flac__utils_printf(stderr, 1, "%s: ERROR: file has multiple 'COMM' chunks\n", e->inbasefilename);
571 /* COMM chunk size */
572 if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename))
574 else if(xx < minimum_comm_size) {
575 flac__utils_printf(stderr, 1, "%s: ERROR: non-standard %s 'COMM' chunk has length = %u\n", e->inbasefilename, is_aifc? "AIFF-C" : "AIFF", (unsigned int)xx);
578 else if(!is_aifc && xx != minimum_comm_size) {
579 flac__utils_printf(stderr, 1, "%s: WARNING: non-standard %s 'COMM' chunk has length = %u, expected %u\n", e->inbasefilename, is_aifc? "AIFF-C" : "AIFF", (unsigned int)xx, minimum_comm_size);
580 if(e->treat_warnings_as_errors)
583 skip = (xx-minimum_comm_size)+(xx & 1);
585 /* number of channels */
586 if(!read_uint16(e->fin, /*big_endian=*/true, &x, e->inbasefilename))
588 channels = (unsigned)x;
589 if(channels > 2 && !options.channel_map_none) {
590 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number channels %u for AIFF\n", e->inbasefilename, channels);
594 /* number of sample frames */
595 if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename))
599 /* bits per sample */
600 if(!read_uint16(e->fin, /*big_endian=*/true, &x, e->inbasefilename))
603 shift = (bps%8)? 8-(bps%8) : 0; /* SSND data is always byte-aligned, left-justified but format_input() will double-check */
607 if(!read_sane_extended(e->fin, &xx, e->inbasefilename))
611 /* check compression type for AIFF-C */
613 if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename))
615 if(xx == 0x736F7774) /* "sowt" */
616 e->info.is_big_endian = false;
617 else if(xx == 0x4E4F4E45) /* "NONE" */
618 ; /* nothing to do, we already default to big-endian */
620 flac__utils_printf(stderr, 1, "%s: ERROR: can't handle AIFF-C compression type \"%c%c%c%c\"\n", e->inbasefilename, (char)(xx>>24), (char)((xx>>16)&8), (char)((xx>>8)&8), (char)(xx&8));
625 /* set channel mapping */
626 /* FLAC order follows SMPTE and WAVEFORMATEXTENSIBLE but with fewer channels, which are: */
627 /* front left, front right, center, LFE, back left, back right, surround left, surround right */
628 /* specs say the channel ordering is:
630 * ___________________________________________________
634 * quad (ambiguous with 4ch) Fl Fr Bl Br
637 * l:left r:right c:center Fl:front-left Fr:front-right Bl:back-left Br:back-right Lc:left-center Rc:right-center S:surround
638 * so we only have unambiguous mappings for 2, 3, and 5 channels
641 options.channel_map_none ||
642 channels == 1 || /* 1 channel: (mono) */
643 channels == 2 || /* 2 channels: left, right */
644 channels == 3 || /* 3 channels: left, right, center */
645 channels == 5 /* 5 channels: front left, front right, center, surround left, surround right */
647 /* keep default channel order */
650 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number channels %u for AIFF\n", e->inbasefilename, channels);
654 e->info.bytes_per_wide_sample = channels * (bps / 8);
656 /* skip any extra data in the COMM chunk */
657 if(!fskip_ahead(e->fin, skip)) {
658 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over extra COMM data\n", e->inbasefilename);
662 got_comm_chunk = true;
664 else if(!memcmp(chunk_id, "SSND", 4) && !got_ssnd_chunk) { /* sound data chunk */
666 unsigned offset = 0, block_size = 0, data_bytes;
668 if(!got_comm_chunk) {
669 flac__utils_printf(stderr, 1, "%s: ERROR: got 'SSND' chunk before 'COMM' chunk\n", e->inbasefilename);
673 /* SSND chunk size */
674 if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename))
676 if(options.ignore_chunk_sizes) {
677 FLAC__ASSERT(!options.sector_align);
679 flac__utils_printf(stderr, 1, "%s: WARNING: \"SSND\" chunk has non-zero size, using --ignore-chunk-sizes is probably a bad idea\n", e->inbasefilename, chunk_id);
680 if(e->treat_warnings_as_errors)
683 data_bytes = (size_t)0 - (size_t)e->info.bytes_per_wide_sample; /* max out data_bytes; we'll use EOF as signal to stop reading */
687 data_bytes -= 8; /* discount the offset and block size fields */
689 e->fmt.iff.pad = (data_bytes & 1) ? true : false;
692 if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename))
695 data_bytes -= offset;
698 if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename))
701 flac__utils_printf(stderr, 1, "%s: ERROR: block size is %u; must be 0\n", e->inbasefilename, (unsigned)xx);
706 /* skip any SSND offset bytes */
707 if(!fskip_ahead(e->fin, offset)) {
708 flac__utils_printf(stderr, 1, "%s: ERROR: skipping offset in SSND chunk\n", e->inbasefilename);
711 if(data_bytes != (sample_frames * e->info.bytes_per_wide_sample)) {
712 flac__utils_printf(stderr, 1, "%s: ERROR: SSND chunk size inconsistent with sample frame count\n", e->inbasefilename);
716 e->fmt.iff.data_bytes = data_bytes;
718 got_ssnd_chunk = true;
722 if(!options.format_options.iff.foreign_metadata) {
723 flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown chunk '%s' (use --keep-foreign-metadata to keep)\n", e->inbasefilename, chunk_id);
724 if(e->treat_warnings_as_errors)
729 if(!read_uint32(e->fin, /*big_endian=*/true, &xx, e->inbasefilename))
732 unsigned long skip = xx + (xx & 1);
734 FLAC__ASSERT(skip <= LONG_MAX);
735 if(!fskip_ahead(e->fin, skip)) {
736 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping over chunk\n", e->inbasefilename);
743 if(!got_comm_chunk) {
744 flac__utils_printf(stderr, 1, "%s: ERROR: didn't find COMM chunk\n", e->inbasefilename);
747 if(!got_ssnd_chunk && sample_frames) {
748 flac__utils_printf(stderr, 1, "%s: ERROR: didn't find SSND chunk\n", e->inbasefilename);
752 e->info.sample_rate = sample_rate;
753 e->info.channels = channels;
754 e->info.bits_per_sample = bps;
755 e->info.shift = shift;
756 e->info.channel_mask = channel_mask;
761 static FLAC__bool get_sample_info_flac(EncoderSession *e, encode_options_t options)
764 FLAC__stream_decoder_set_md5_checking(e->fmt.flac.decoder, false) &&
765 FLAC__stream_decoder_set_metadata_respond_all(e->fmt.flac.decoder)
767 flac__utils_printf(stderr, 1, "%s: ERROR: setting up decoder for FLAC input\n", e->inbasefilename);
771 if (options.format == FORMAT_OGGFLAC) {
772 if (FLAC__stream_decoder_init_ogg_stream(e->fmt.flac.decoder, flac_decoder_read_callback, flac_decoder_seek_callback, flac_decoder_tell_callback, flac_decoder_length_callback, flac_decoder_eof_callback, flac_decoder_write_callback, flac_decoder_metadata_callback, flac_decoder_error_callback, /*client_data=*/e) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
773 flac__utils_printf(stderr, 1, "%s: ERROR: initializing decoder for Ogg FLAC input, state = %s\n", e->inbasefilename, FLAC__stream_decoder_get_resolved_state_string(e->fmt.flac.decoder));
777 else if (FLAC__stream_decoder_init_stream(e->fmt.flac.decoder, flac_decoder_read_callback, flac_decoder_seek_callback, flac_decoder_tell_callback, flac_decoder_length_callback, flac_decoder_eof_callback, flac_decoder_write_callback, flac_decoder_metadata_callback, flac_decoder_error_callback, /*client_data=*/e) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
778 flac__utils_printf(stderr, 1, "%s: ERROR: initializing decoder for FLAC input, state = %s\n", e->inbasefilename, FLAC__stream_decoder_get_resolved_state_string(e->fmt.flac.decoder));
782 if (!FLAC__stream_decoder_process_until_end_of_metadata(e->fmt.flac.decoder) || e->fmt.flac.client_data.fatal_error) {
783 if (e->fmt.flac.client_data.fatal_error)
784 flac__utils_printf(stderr, 1, "%s: ERROR: out of memory or too many metadata blocks while reading metadata in FLAC input\n", e->inbasefilename);
786 flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, state = %s\n", e->inbasefilename, FLAC__stream_decoder_get_resolved_state_string(e->fmt.flac.decoder));
790 if (e->fmt.flac.client_data.num_metadata_blocks == 0) {
791 flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, got no metadata blocks\n", e->inbasefilename);
794 else if (e->fmt.flac.client_data.metadata_blocks[0]->type != FLAC__METADATA_TYPE_STREAMINFO) {
795 flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, first metadata block is not STREAMINFO\n", e->inbasefilename);
798 else if (e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.total_samples == 0) {
799 flac__utils_printf(stderr, 1, "%s: ERROR: FLAC input has STREAMINFO with unknown total samples which is not supported\n", e->inbasefilename);
803 e->info.sample_rate = e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.sample_rate;
804 e->info.channels = e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.channels;
805 e->info.bits_per_sample = e->fmt.flac.client_data.metadata_blocks[0]->data.stream_info.bits_per_sample;
807 e->info.bytes_per_wide_sample = 0;
808 e->info.is_unsigned_samples = false; /* not applicable for FLAC input */
809 e->info.is_big_endian = false; /* not applicable for FLAC input */
810 e->info.channel_mask = 0;
818 int flac__encode_file(FILE *infile, off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, encode_options_t options)
820 EncoderSession encoder_session;
821 size_t channel_map[FLAC__MAX_CHANNELS];
822 int info_align_carry = -1, info_align_zero = -1;
824 if(!EncoderSession_construct(&encoder_session, options, infilesize, infile, infilename, outfilename, lookahead, lookahead_length))
827 /* initialize default channel map that preserves channel order */
830 for(i = 0; i < sizeof(channel_map)/sizeof(channel_map[0]); i++)
834 /* read foreign metadata if requested */
836 (options.format == FORMAT_WAVE || options.format == FORMAT_AIFF || options.format == FORMAT_AIFF_C) &&
837 options.format_options.iff.foreign_metadata
841 options.format == FORMAT_WAVE?
842 flac__foreign_metadata_read_from_wave(options.format_options.iff.foreign_metadata, infilename, &error) :
843 flac__foreign_metadata_read_from_aiff(options.format_options.iff.foreign_metadata, infilename, &error)
845 flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", encoder_session.inbasefilename, error);
846 return EncoderSession_finish_error(&encoder_session);
850 /* initialize encoder session with info about the audio (channels/bps/resolution/endianness/etc) */
851 switch(options.format) {
853 if(!get_sample_info_raw(&encoder_session, options))
854 return EncoderSession_finish_error(&encoder_session);
857 if(!get_sample_info_wave(&encoder_session, options))
858 return EncoderSession_finish_error(&encoder_session);
862 if(!get_sample_info_aiff(&encoder_session, options))
863 return EncoderSession_finish_error(&encoder_session);
868 * set up FLAC decoder for the input
870 if (0 == (encoder_session.fmt.flac.decoder = FLAC__stream_decoder_new())) {
871 flac__utils_printf(stderr, 1, "%s: ERROR: creating decoder for FLAC input\n", encoder_session.inbasefilename);
872 return EncoderSession_finish_error(&encoder_session);
874 if(!get_sample_info_flac(&encoder_session, options))
875 return EncoderSession_finish_error(&encoder_session);
879 /* double protection */
880 return EncoderSession_finish_error(&encoder_session);
883 /* some more checks */
884 if(encoder_session.info.channels == 0 || encoder_session.info.channels > FLAC__MAX_CHANNELS) {
885 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number of channels %u\n", encoder_session.inbasefilename, encoder_session.info.channels);
886 return EncoderSession_finish_error(&encoder_session);
888 if(!FLAC__format_sample_rate_is_valid(encoder_session.info.sample_rate)) {
889 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, encoder_session.info.sample_rate);
890 return EncoderSession_finish_error(&encoder_session);
892 if(encoder_session.info.bits_per_sample-encoder_session.info.shift < 4 || encoder_session.info.bits_per_sample-encoder_session.info.shift > 24) {
893 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported bits-per-sample %u\n", encoder_session.inbasefilename, encoder_session.info.bits_per_sample-encoder_session.info.shift);
894 return EncoderSession_finish_error(&encoder_session);
896 if(options.sector_align) {
897 if(encoder_session.info.channels != 2) {
898 flac__utils_printf(stderr, 1, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, encoder_session.info.channels);
899 return EncoderSession_finish_error(&encoder_session);
901 if(encoder_session.info.sample_rate != 44100) {
902 flac__utils_printf(stderr, 1, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, encoder_session.info.sample_rate);
903 return EncoderSession_finish_error(&encoder_session);
905 if(encoder_session.info.bits_per_sample-encoder_session.info.shift != 16) {
906 flac__utils_printf(stderr, 1, "%s: ERROR: file has %u bits-per-sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, encoder_session.info.bits_per_sample-encoder_session.info.shift);
907 return EncoderSession_finish_error(&encoder_session);
912 FLAC__uint64 total_samples_in_input; /* WATCHOUT: may be 0 to mean "unknown" */
914 FLAC__uint64 until; /* a value of 0 mean end-of-stream (i.e. --until=-0) */
915 unsigned align_remainder = 0;
917 switch(options.format) {
920 total_samples_in_input = 0;
922 total_samples_in_input = (FLAC__uint64)infilesize / encoder_session.info.bytes_per_wide_sample + *options.align_reservoir_samples;
927 total_samples_in_input = encoder_session.fmt.iff.data_bytes / encoder_session.info.bytes_per_wide_sample + *options.align_reservoir_samples;
931 total_samples_in_input = encoder_session.fmt.flac.client_data.metadata_blocks[0]->data.stream_info.total_samples + *options.align_reservoir_samples;
935 /* double protection */
936 return EncoderSession_finish_error(&encoder_session);
940 * now that we know the sample rate, canonicalize the
941 * --skip string to an absolute sample number:
943 flac__utils_canonicalize_skip_until_specification(&options.skip_specification, encoder_session.info.sample_rate);
944 FLAC__ASSERT(options.skip_specification.value.samples >= 0);
945 skip = (FLAC__uint64)options.skip_specification.value.samples;
946 FLAC__ASSERT(!options.sector_align || (options.format != FORMAT_FLAC && options.format != FORMAT_OGGFLAC && skip == 0));
947 /* *options.align_reservoir_samples will be 0 unless --sector-align is used */
948 FLAC__ASSERT(options.sector_align || *options.align_reservoir_samples == 0);
951 * now that we possibly know the input size, canonicalize the
952 * --until string to an absolute sample number:
954 if(!canonicalize_until_specification(&options.until_specification, encoder_session.inbasefilename, encoder_session.info.sample_rate, skip, total_samples_in_input))
955 return EncoderSession_finish_error(&encoder_session);
956 until = (FLAC__uint64)options.until_specification.value.samples;
957 FLAC__ASSERT(!options.sector_align || until == 0);
959 /* adjust encoding parameters based on skip and until values */
960 switch(options.format) {
962 infilesize -= (off_t)skip * encoder_session.info.bytes_per_wide_sample;
963 encoder_session.total_samples_to_encode = total_samples_in_input - skip;
968 encoder_session.fmt.iff.data_bytes -= (unsigned)skip * encoder_session.info.bytes_per_wide_sample; /*@@@ WATCHOUT: 4GB limit */
969 if(options.ignore_chunk_sizes) {
970 encoder_session.total_samples_to_encode = 0;
971 flac__utils_printf(stderr, 2, "(No runtime statistics possible; please wait for encoding to finish...)\n");
972 FLAC__ASSERT(0 == until);
975 encoder_session.total_samples_to_encode = total_samples_in_input - skip;
980 encoder_session.total_samples_to_encode = total_samples_in_input - skip;
984 /* double protection */
985 return EncoderSession_finish_error(&encoder_session);
988 const FLAC__uint64 trim = total_samples_in_input - until;
989 FLAC__ASSERT(total_samples_in_input > 0);
990 FLAC__ASSERT(!options.sector_align);
991 if(options.format == FORMAT_RAW)
992 infilesize -= (off_t)trim * encoder_session.info.bytes_per_wide_sample;
993 else if(options.format == FORMAT_WAVE || options.format == FORMAT_AIFF || options.format == FORMAT_AIFF_C)
994 encoder_session.fmt.iff.data_bytes -= (unsigned)trim * encoder_session.info.bytes_per_wide_sample;
995 encoder_session.total_samples_to_encode -= trim;
997 if(options.sector_align && (options.format != FORMAT_RAW || infilesize >=0)) { /* for RAW, need to know the filesize */
998 FLAC__ASSERT(skip == 0); /* asserted above too, but lest we forget */
999 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
1000 if(options.is_last_file)
1001 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
1003 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
1005 switch(options.format) {
1007 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample;
1010 /* +44 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
1011 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample + 44;
1015 /* +54 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
1016 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * encoder_session.info.bytes_per_wide_sample + 54;
1019 case FORMAT_OGGFLAC:
1021 /* if we don't know, use 0 as hint to progress indicator (which is the only place this is used): */
1022 encoder_session.unencoded_size = 0;
1023 else if(skip == 0 && until == 0)
1024 encoder_session.unencoded_size = (FLAC__uint64)infilesize;
1025 else if(total_samples_in_input)
1026 encoder_session.unencoded_size = (FLAC__uint64)infilesize * encoder_session.total_samples_to_encode / total_samples_in_input;
1028 encoder_session.unencoded_size = (FLAC__uint64)infilesize;
1032 /* double protection */
1033 return EncoderSession_finish_error(&encoder_session);
1036 if(encoder_session.total_samples_to_encode == 0)
1037 flac__utils_printf(stderr, 2, "(No runtime statistics possible; please wait for encoding to finish...)\n");
1039 if(options.format == FORMAT_FLAC || options.format == FORMAT_OGGFLAC)
1040 encoder_session.fmt.flac.client_data.samples_left_to_process = encoder_session.total_samples_to_encode;
1042 /* init the encoder */
1043 if(!EncoderSession_init_encoder(&encoder_session, options))
1044 return EncoderSession_finish_error(&encoder_session);
1046 /* skip over any samples as requested */
1048 switch(options.format) {
1051 unsigned skip_bytes = encoder_session.info.bytes_per_wide_sample * (unsigned)skip;
1052 if(skip_bytes > lookahead_length) {
1053 skip_bytes -= lookahead_length;
1054 lookahead_length = 0;
1055 if(!fskip_ahead(encoder_session.fin, skip_bytes)) {
1056 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
1057 return EncoderSession_finish_error(&encoder_session);
1061 lookahead += skip_bytes;
1062 lookahead_length -= skip_bytes;
1069 if(!fskip_ahead(encoder_session.fin, skip * encoder_session.info.bytes_per_wide_sample)) {
1070 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
1071 return EncoderSession_finish_error(&encoder_session);
1075 case FORMAT_OGGFLAC:
1077 * have to wait until the FLAC encoder is set up for writing
1078 * before any seeking in the input FLAC file, because the seek
1079 * itself will usually call the decoder's write callback, and
1080 * our decoder's write callback passes samples to our FLAC
1083 if(!FLAC__stream_decoder_seek_absolute(encoder_session.fmt.flac.decoder, skip)) {
1084 flac__utils_printf(stderr, 1, "%s: ERROR while skipping samples, FLAC decoder state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(encoder_session.fmt.flac.decoder));
1085 return EncoderSession_finish_error(&encoder_session);
1090 /* double protection */
1091 return EncoderSession_finish_error(&encoder_session);
1096 * first do any samples in the reservoir
1098 if(options.sector_align && *options.align_reservoir_samples > 0) {
1099 FLAC__ASSERT(options.format != FORMAT_FLAC && options.format != FORMAT_OGGFLAC); /* check again */
1100 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.align_reservoir, *options.align_reservoir_samples)) {
1101 print_error_with_state(&encoder_session, "ERROR during encoding");
1102 return EncoderSession_finish_error(&encoder_session);
1107 * decrement infilesize or the data_bytes counter if we need to align the file
1109 if(options.sector_align) {
1110 if(options.is_last_file) {
1111 *options.align_reservoir_samples = 0;
1114 *options.align_reservoir_samples = align_remainder;
1115 if(options.format == FORMAT_RAW) {
1116 FLAC__ASSERT(infilesize >= 0);
1117 infilesize -= (off_t)((*options.align_reservoir_samples) * encoder_session.info.bytes_per_wide_sample);
1118 FLAC__ASSERT(infilesize >= 0);
1120 else if(options.format == FORMAT_WAVE || options.format == FORMAT_AIFF || options.format == FORMAT_AIFF_C)
1121 encoder_session.fmt.iff.data_bytes -= (*options.align_reservoir_samples) * encoder_session.info.bytes_per_wide_sample;
1126 * now do samples from the file
1128 switch(options.format) {
1130 if(infilesize < 0) {
1132 while(!feof(infile)) {
1133 if(lookahead_length > 0) {
1134 FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample);
1135 memcpy(ucbuffer_, lookahead, lookahead_length);
1136 bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample - lookahead_length, infile) + lookahead_length;
1137 if(ferror(infile)) {
1138 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1139 return EncoderSession_finish_error(&encoder_session);
1141 lookahead_length = 0;
1144 bytes_read = fread(ucbuffer_, sizeof(unsigned char), CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample, infile);
1146 if(bytes_read == 0) {
1147 if(ferror(infile)) {
1148 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1149 return EncoderSession_finish_error(&encoder_session);
1152 else if(bytes_read % encoder_session.info.bytes_per_wide_sample != 0) {
1153 flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1154 return EncoderSession_finish_error(&encoder_session);
1157 unsigned wide_samples = bytes_read / encoder_session.info.bytes_per_wide_sample;
1158 if(!format_input(input_, wide_samples, encoder_session.info.is_big_endian, encoder_session.info.is_unsigned_samples, encoder_session.info.channels, encoder_session.info.bits_per_sample, encoder_session.info.shift, channel_map))
1159 return EncoderSession_finish_error(&encoder_session);
1161 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1162 print_error_with_state(&encoder_session, "ERROR during encoding");
1163 return EncoderSession_finish_error(&encoder_session);
1170 const FLAC__uint64 max_input_bytes = infilesize;
1171 FLAC__uint64 total_input_bytes_read = 0;
1172 while(total_input_bytes_read < max_input_bytes) {
1174 size_t wanted = (CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample);
1175 wanted = (size_t) min((FLAC__uint64)wanted, max_input_bytes - total_input_bytes_read);
1177 if(lookahead_length > 0) {
1178 FLAC__ASSERT(lookahead_length <= wanted);
1179 memcpy(ucbuffer_, lookahead, lookahead_length);
1180 wanted -= lookahead_length;
1181 bytes_read = lookahead_length;
1183 bytes_read += fread(ucbuffer_+lookahead_length, sizeof(unsigned char), wanted, infile);
1184 if(ferror(infile)) {
1185 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1186 return EncoderSession_finish_error(&encoder_session);
1189 lookahead_length = 0;
1192 bytes_read = fread(ucbuffer_, sizeof(unsigned char), wanted, infile);
1195 if(bytes_read == 0) {
1196 if(ferror(infile)) {
1197 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1198 return EncoderSession_finish_error(&encoder_session);
1200 else if(feof(infile)) {
1201 flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %u samples, got %u samples\n", encoder_session.inbasefilename, (unsigned)encoder_session.total_samples_to_encode, (unsigned)encoder_session.samples_written);
1202 if(encoder_session.treat_warnings_as_errors)
1203 return EncoderSession_finish_error(&encoder_session);
1204 total_input_bytes_read = max_input_bytes;
1208 if(bytes_read % encoder_session.info.bytes_per_wide_sample != 0) {
1209 flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1210 return EncoderSession_finish_error(&encoder_session);
1213 unsigned wide_samples = bytes_read / encoder_session.info.bytes_per_wide_sample;
1214 if(!format_input(input_, wide_samples, encoder_session.info.is_big_endian, encoder_session.info.is_unsigned_samples, encoder_session.info.channels, encoder_session.info.bits_per_sample, encoder_session.info.shift, channel_map))
1215 return EncoderSession_finish_error(&encoder_session);
1217 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1218 print_error_with_state(&encoder_session, "ERROR during encoding");
1219 return EncoderSession_finish_error(&encoder_session);
1221 total_input_bytes_read += bytes_read;
1230 while(encoder_session.fmt.iff.data_bytes > 0) {
1231 size_t bytes_read = fread(ucbuffer_, sizeof(unsigned char), min(encoder_session.fmt.iff.data_bytes, CHUNK_OF_SAMPLES * encoder_session.info.bytes_per_wide_sample), infile);
1232 if(bytes_read == 0) {
1233 if(ferror(infile)) {
1234 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1235 return EncoderSession_finish_error(&encoder_session);
1237 else if(feof(infile)) {
1238 if(options.ignore_chunk_sizes) {
1239 flac__utils_printf(stderr, 1, "%s: INFO: hit EOF with --ignore-chunk-sizes, got %u samples\n", encoder_session.inbasefilename, (unsigned)encoder_session.samples_written);
1242 flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %u samples, got %u samples\n", encoder_session.inbasefilename, (unsigned)encoder_session.total_samples_to_encode, (unsigned)encoder_session.samples_written);
1243 if(encoder_session.treat_warnings_as_errors)
1244 return EncoderSession_finish_error(&encoder_session);
1246 encoder_session.fmt.iff.data_bytes = 0;
1250 if(bytes_read % encoder_session.info.bytes_per_wide_sample != 0) {
1251 flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1252 return EncoderSession_finish_error(&encoder_session);
1255 unsigned wide_samples = bytes_read / encoder_session.info.bytes_per_wide_sample;
1256 if(!format_input(input_, wide_samples, encoder_session.info.is_big_endian, encoder_session.info.is_unsigned_samples, encoder_session.info.channels, encoder_session.info.bits_per_sample, encoder_session.info.shift, channel_map))
1257 return EncoderSession_finish_error(&encoder_session);
1259 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1260 print_error_with_state(&encoder_session, "ERROR during encoding");
1261 return EncoderSession_finish_error(&encoder_session);
1263 encoder_session.fmt.iff.data_bytes -= bytes_read;
1269 case FORMAT_OGGFLAC:
1270 while(!encoder_session.fmt.flac.client_data.fatal_error && encoder_session.fmt.flac.client_data.samples_left_to_process > 0) {
1271 /* We can also hit the end of stream without samples_left_to_process
1272 * going to 0 if there are errors and continue_through_decode_errors
1273 * is on, so we want to break in that case too:
1275 if(encoder_session.continue_through_decode_errors && FLAC__stream_decoder_get_state(encoder_session.fmt.flac.decoder) == FLAC__STREAM_DECODER_END_OF_STREAM)
1277 if(!FLAC__stream_decoder_process_single(encoder_session.fmt.flac.decoder)) {
1278 flac__utils_printf(stderr, 1, "%s: ERROR: while decoding FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(encoder_session.fmt.flac.decoder));
1279 return EncoderSession_finish_error(&encoder_session);
1282 if(encoder_session.fmt.flac.client_data.fatal_error) {
1283 flac__utils_printf(stderr, 1, "%s: ERROR: while decoding FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(encoder_session.fmt.flac.decoder));
1284 return EncoderSession_finish_error(&encoder_session);
1289 /* double protection */
1290 return EncoderSession_finish_error(&encoder_session);
1294 * now read unaligned samples into reservoir or pad with zeroes if necessary
1296 if(options.sector_align) {
1297 if(options.is_last_file) {
1298 unsigned wide_samples = 588 - align_remainder;
1299 if(wide_samples < 588) {
1302 info_align_zero = wide_samples;
1303 for(channel = 0; channel < encoder_session.info.channels; channel++)
1304 memset(input_[channel], 0, sizeof(input_[0][0]) * wide_samples);
1306 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1307 print_error_with_state(&encoder_session, "ERROR during encoding");
1308 return EncoderSession_finish_error(&encoder_session);
1313 if(*options.align_reservoir_samples > 0) {
1315 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
1316 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.align_reservoir_samples) * encoder_session.info.bytes_per_wide_sample, infile);
1317 if(bytes_read == 0 && ferror(infile)) {
1318 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1319 return EncoderSession_finish_error(&encoder_session);
1321 else if(bytes_read != (*options.align_reservoir_samples) * encoder_session.info.bytes_per_wide_sample) {
1322 flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; read %u bytes; expected %u samples, got %u samples\n", encoder_session.inbasefilename, (unsigned)bytes_read, (unsigned)encoder_session.total_samples_to_encode, (unsigned)encoder_session.samples_written);
1323 if(encoder_session.treat_warnings_as_errors)
1324 return EncoderSession_finish_error(&encoder_session);
1327 info_align_carry = *options.align_reservoir_samples;
1328 if(!format_input(options.align_reservoir, *options.align_reservoir_samples, encoder_session.info.is_big_endian, encoder_session.info.is_unsigned_samples, encoder_session.info.channels, encoder_session.info.bits_per_sample, encoder_session.info.shift, channel_map))
1329 return EncoderSession_finish_error(&encoder_session);
1336 return EncoderSession_finish_ok(
1340 (options.format == FORMAT_WAVE || options.format == FORMAT_AIFF || options.format == FORMAT_AIFF_C)? options.format_options.iff.foreign_metadata : 0
1344 FLAC__bool EncoderSession_construct(EncoderSession *e, encode_options_t options, off_t infilesize, FILE *infile, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length)
1347 FLAC__uint32 test = 1;
1350 * initialize globals
1353 is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
1355 for(i = 0; i < FLAC__MAX_CHANNELS; i++)
1356 input_[i] = &(in_[i][0]);
1360 * initialize instance
1364 e->use_ogg = options.use_ogg;
1366 e->verify = options.verify;
1367 e->treat_warnings_as_errors = options.treat_warnings_as_errors;
1368 e->continue_through_decode_errors = options.continue_through_decode_errors;
1370 e->is_stdout = (0 == strcmp(outfilename, "-"));
1371 e->outputfile_opened = false;
1373 e->inbasefilename = grabbag__file_get_basename(infilename);
1374 e->infilename = infilename;
1375 e->outfilename = outfilename;
1377 e->total_samples_to_encode = 0;
1378 e->unencoded_size = 0;
1379 e->bytes_written = 0;
1380 e->samples_written = 0;
1383 memset(&e->info, 0, sizeof(e->info));
1385 e->format = options.format;
1387 switch(options.format) {
1393 e->fmt.iff.data_bytes = 0;
1397 case FORMAT_OGGFLAC:
1398 e->fmt.flac.decoder = 0;
1399 e->fmt.flac.client_data.filesize = infilesize;
1400 e->fmt.flac.client_data.lookahead = lookahead;
1401 e->fmt.flac.client_data.lookahead_length = lookahead_length;
1402 e->fmt.flac.client_data.num_metadata_blocks = 0;
1403 e->fmt.flac.client_data.samples_left_to_process = 0;
1404 e->fmt.flac.client_data.fatal_error = false;
1408 /* double protection */
1415 e->seek_table_template = 0;
1417 if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) {
1418 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1422 e->encoder = FLAC__stream_encoder_new();
1423 if(0 == e->encoder) {
1424 flac__utils_printf(stderr, 1, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1425 EncoderSession_destroy(e);
1432 void EncoderSession_destroy(EncoderSession *e)
1434 if(e->format == FORMAT_FLAC || e->format == FORMAT_OGGFLAC) {
1436 if(e->fmt.flac.decoder)
1437 FLAC__stream_decoder_delete(e->fmt.flac.decoder);
1438 e->fmt.flac.decoder = 0;
1439 for(i = 0; i < e->fmt.flac.client_data.num_metadata_blocks; i++)
1440 FLAC__metadata_object_delete(e->fmt.flac.client_data.metadata_blocks[i]);
1441 e->fmt.flac.client_data.num_metadata_blocks = 0;
1447 if(0 != e->encoder) {
1448 FLAC__stream_encoder_delete(e->encoder);
1452 if(0 != e->seek_table_template) {
1453 FLAC__metadata_object_delete(e->seek_table_template);
1454 e->seek_table_template = 0;
1458 int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero, foreign_metadata_t *foreign_metadata)
1460 FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK;
1462 FLAC__bool verify_error = false;
1465 fse_state = FLAC__stream_encoder_get_state(e->encoder);
1466 ret = FLAC__stream_encoder_finish(e->encoder)? 0 : 1;
1468 fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA ||
1469 FLAC__stream_encoder_get_state(e->encoder) == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA
1472 /* all errors except verify errors should interrupt the stats */
1473 if(ret && !verify_error)
1474 print_error_with_state(e, "ERROR during encoding");
1475 else if(e->total_samples_to_encode > 0) {
1477 flac__utils_printf(stderr, 2, "\n");
1481 print_verify_error(e);
1485 if(info_align_carry >= 0) {
1486 flac__utils_printf(stderr, 1, "%s: INFO: sector alignment causing %d samples to be carried over\n", e->inbasefilename, info_align_carry);
1488 if(info_align_zero >= 0) {
1489 flac__utils_printf(stderr, 1, "%s: INFO: sector alignment causing %d zero samples to be appended\n", e->inbasefilename, info_align_zero);
1493 /*@@@@@@ should this go here or somewhere else? */
1494 if(ret == 0 && foreign_metadata) {
1496 if(!flac__foreign_metadata_write_to_flac(foreign_metadata, e->infilename, e->outfilename, &error)) {
1497 flac__utils_printf(stderr, 1, "%s: ERROR: updating foreign metadata in FLAC file: %s\n", e->inbasefilename, error);
1502 EncoderSession_destroy(e);
1507 int EncoderSession_finish_error(EncoderSession *e)
1509 FLAC__ASSERT(e->encoder);
1511 if(e->total_samples_to_encode > 0)
1512 flac__utils_printf(stderr, 2, "\n");
1514 if(FLAC__stream_encoder_get_state(e->encoder) == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
1515 print_verify_error(e);
1516 else if(e->outputfile_opened)
1517 /* only want to delete the file if we opened it; otherwise it could be an existing file and our overwrite failed */
1518 unlink(e->outfilename);
1520 EncoderSession_destroy(e);
1526 unsigned num_metadata;
1527 FLAC__bool *needs_delete;
1528 FLAC__StreamMetadata **metadata;
1529 FLAC__StreamMetadata *cuesheet; /* always needs to be deleted */
1530 } static_metadata_t;
1532 static void static_metadata_init(static_metadata_t *m)
1534 m->num_metadata = 0;
1535 m->needs_delete = 0;
1540 static void static_metadata_clear(static_metadata_t *m)
1543 for(i = 0; i < m->num_metadata; i++)
1544 if(m->needs_delete[i])
1545 FLAC__metadata_object_delete(m->metadata[i]);
1549 free(m->needs_delete);
1551 FLAC__metadata_object_delete(m->cuesheet);
1552 static_metadata_init(m);
1555 static FLAC__bool static_metadata_append(static_metadata_t *m, FLAC__StreamMetadata *d, FLAC__bool needs_delete)
1558 if(0 == (x = safe_realloc_muladd2_(m->metadata, sizeof(*m->metadata), /*times (*/m->num_metadata, /*+*/1/*)*/)))
1560 m->metadata = (FLAC__StreamMetadata**)x;
1561 if(0 == (x = safe_realloc_muladd2_(m->needs_delete, sizeof(*m->needs_delete), /*times (*/m->num_metadata, /*+*/1/*)*/)))
1563 m->needs_delete = (FLAC__bool*)x;
1564 m->metadata[m->num_metadata] = d;
1565 m->needs_delete[m->num_metadata] = needs_delete;
1570 FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options)
1572 const unsigned channels = e->info.channels;
1573 const unsigned bps = e->info.bits_per_sample - e->info.shift;
1574 const unsigned sample_rate = e->info.sample_rate;
1575 FLACDecoderData *flac_decoder_data = (options.format == FORMAT_FLAC || options.format == FORMAT_OGGFLAC)? &e->fmt.flac.client_data : 0;
1576 FLAC__StreamMetadata padding;
1577 FLAC__StreamMetadata **metadata = 0;
1578 static_metadata_t static_metadata;
1579 unsigned num_metadata = 0, i;
1580 FLAC__StreamEncoderInitStatus init_status;
1581 const FLAC__bool is_cdda = (channels == 1 || channels == 2) && (bps == 16) && (sample_rate == 44100);
1582 char apodizations[2000];
1584 FLAC__ASSERT(sizeof(options.pictures)/sizeof(options.pictures[0]) <= 64);
1586 static_metadata_init(&static_metadata);
1588 e->replay_gain = options.replay_gain;
1590 apodizations[0] = '\0';
1592 if(e->replay_gain) {
1593 if(channels != 1 && channels != 2) {
1594 flac__utils_printf(stderr, 1, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gain\n", e->inbasefilename, channels);
1597 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
1598 flac__utils_printf(stderr, 1, "%s: ERROR, invalid sample rate (%u) for --replay-gain\n", e->inbasefilename, sample_rate);
1601 if(options.is_first_file) {
1602 if(!grabbag__replaygain_init(sample_rate)) {
1603 flac__utils_printf(stderr, 1, "%s: ERROR initializing ReplayGain stage\n", e->inbasefilename);
1609 if(!parse_cuesheet(&static_metadata.cuesheet, options.cuesheet_filename, e->inbasefilename, is_cdda, e->total_samples_to_encode, e->treat_warnings_as_errors))
1612 if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? static_metadata.cuesheet : 0, e)) {
1613 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1614 static_metadata_clear(&static_metadata);
1618 /* build metadata */
1619 if(flac_decoder_data) {
1621 * we're encoding from FLAC so we will use the FLAC file's
1622 * metadata as the basis for the encoded file
1626 * first handle pictures: simple append any --pictures
1629 for(i = 0; i < options.num_pictures; i++) {
1630 FLAC__StreamMetadata *pic = FLAC__metadata_object_clone(options.pictures[i]);
1632 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for PICTURE block\n", e->inbasefilename);
1633 static_metadata_clear(&static_metadata);
1636 flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks++] = pic;
1641 * next handle vorbis comment: if any tags were specified
1642 * or there is no existing vorbis comment, we create a
1643 * new vorbis comment (discarding any existing one); else
1644 * we keep the existing one. also need to make sure to
1645 * propagate any channel mask tag.
1647 /* @@@ change to append -T values from options.vorbis_comment if input has VC already? */
1649 FLAC__bool vc_found = false;
1650 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1651 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
1653 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT && options.vorbis_comment->data.vorbis_comment.num_comments > 0) {
1654 (void) flac__utils_get_channel_mask_tag(flac_decoder_data->metadata_blocks[i], &e->info.channel_mask);
1655 flac__utils_printf(stderr, 1, "%s: WARNING, replacing tags from input FLAC file with those given on the command-line\n", e->inbasefilename);
1656 if(e->treat_warnings_as_errors) {
1657 static_metadata_clear(&static_metadata);
1660 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1661 flac_decoder_data->metadata_blocks[i] = 0;
1664 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1666 flac_decoder_data->num_metadata_blocks = j;
1667 if((!vc_found || options.vorbis_comment->data.vorbis_comment.num_comments > 0) && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) {
1669 FLAC__StreamMetadata *vc = FLAC__metadata_object_clone(options.vorbis_comment);
1670 if(0 == vc || (e->info.channel_mask && !flac__utils_set_channel_mask_tag(vc, e->info.channel_mask))) {
1671 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for VORBIS_COMMENT block\n", e->inbasefilename);
1672 static_metadata_clear(&static_metadata);
1675 for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--)
1676 flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1];
1677 flac_decoder_data->metadata_blocks[1] = vc;
1678 flac_decoder_data->num_metadata_blocks++;
1683 * next handle cuesheet: if --cuesheet was specified, use
1684 * it; else if file has existing CUESHEET and cuesheet's
1685 * lead-out offset is correct, keep it; else no CUESHEET
1688 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1689 FLAC__bool existing_cuesheet_is_bad = false;
1690 /* check if existing cuesheet matches the input audio */
1691 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_CUESHEET && 0 == static_metadata.cuesheet) {
1692 const FLAC__StreamMetadata_CueSheet *cs = &flac_decoder_data->metadata_blocks[i]->data.cue_sheet;
1693 if(e->total_samples_to_encode == 0) {
1694 flac__utils_printf(stderr, 1, "%s: WARNING, cuesheet in input FLAC file cannot be kept if input size is not known, dropping it...\n", e->inbasefilename);
1695 if(e->treat_warnings_as_errors) {
1696 static_metadata_clear(&static_metadata);
1699 existing_cuesheet_is_bad = true;
1701 else if(e->total_samples_to_encode != cs->tracks[cs->num_tracks-1].offset) {
1702 flac__utils_printf(stderr, 1, "%s: WARNING, lead-out offset of cuesheet in input FLAC file does not match input length, dropping existing cuesheet...\n", e->inbasefilename);
1703 if(e->treat_warnings_as_errors) {
1704 static_metadata_clear(&static_metadata);
1707 existing_cuesheet_is_bad = true;
1710 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_CUESHEET && (existing_cuesheet_is_bad || 0 != static_metadata.cuesheet)) {
1711 if(0 != static_metadata.cuesheet) {
1712 flac__utils_printf(stderr, 1, "%s: WARNING, replacing cuesheet in input FLAC file with the one given on the command-line\n", e->inbasefilename);
1713 if(e->treat_warnings_as_errors) {
1714 static_metadata_clear(&static_metadata);
1718 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1719 flac_decoder_data->metadata_blocks[i] = 0;
1722 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1724 flac_decoder_data->num_metadata_blocks = j;
1725 if(0 != static_metadata.cuesheet && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) {
1727 FLAC__StreamMetadata *cs = FLAC__metadata_object_clone(static_metadata.cuesheet);
1729 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for CUESHEET block\n", e->inbasefilename);
1730 static_metadata_clear(&static_metadata);
1733 for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--)
1734 flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1];
1735 flac_decoder_data->metadata_blocks[1] = cs;
1736 flac_decoder_data->num_metadata_blocks++;
1741 * next handle seektable: if -S- was specified, no
1742 * SEEKTABLE; else if -S was specified, use it/them;
1743 * else if file has existing SEEKTABLE and input size is
1744 * preserved (no --skip/--until/etc specified), keep it;
1745 * else use default seektable options
1747 * note: meanings of num_requested_seek_points:
1748 * -1 : no -S option given, default to some value
1749 * 0 : -S- given (no seektable)
1750 * >0 : one or more -S options given
1753 FLAC__bool existing_seektable = false;
1754 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1755 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_SEEKTABLE)
1756 existing_seektable = true;
1757 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_SEEKTABLE && (e->total_samples_to_encode != flac_decoder_data->metadata_blocks[0]->data.stream_info.total_samples || options.num_requested_seek_points >= 0)) {
1758 if(options.num_requested_seek_points > 0) {
1759 flac__utils_printf(stderr, 1, "%s: WARNING, replacing seektable in input FLAC file with the one given on the command-line\n", e->inbasefilename);
1760 if(e->treat_warnings_as_errors) {
1761 static_metadata_clear(&static_metadata);
1765 else if(options.num_requested_seek_points == 0)
1766 ; /* no warning, silently delete existing SEEKTABLE since user specified --no-seektable (-S-) */
1768 flac__utils_printf(stderr, 1, "%s: WARNING, can't use existing seektable in input FLAC since the input size is changing or unknown, dropping existing SEEKTABLE block...\n", e->inbasefilename);
1769 if(e->treat_warnings_as_errors) {
1770 static_metadata_clear(&static_metadata);
1774 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1775 flac_decoder_data->metadata_blocks[i] = 0;
1776 existing_seektable = false;
1779 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1781 flac_decoder_data->num_metadata_blocks = j;
1782 if((options.num_requested_seek_points > 0 || (options.num_requested_seek_points < 0 && !existing_seektable)) && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) {
1784 FLAC__StreamMetadata *st = FLAC__metadata_object_clone(e->seek_table_template);
1786 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for SEEKTABLE block\n", e->inbasefilename);
1787 static_metadata_clear(&static_metadata);
1790 for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--)
1791 flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1];
1792 flac_decoder_data->metadata_blocks[1] = st;
1793 flac_decoder_data->num_metadata_blocks++;
1798 * finally handle padding: if --no-padding was specified,
1799 * then delete all padding; else if -P was specified,
1800 * use that instead of existing padding (if any); else
1801 * if existing file has padding, move all existing
1802 * padding blocks to one padding block at the end; else
1803 * use default padding.
1807 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1808 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_PADDING) {
1811 p += flac_decoder_data->metadata_blocks[i]->length;
1812 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1813 flac_decoder_data->metadata_blocks[i] = 0;
1816 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1818 flac_decoder_data->num_metadata_blocks = j;
1819 if(options.padding > 0)
1820 p = options.padding;
1822 p = e->total_samples_to_encode / sample_rate < 20*60? FLAC_ENCODE__DEFAULT_PADDING : FLAC_ENCODE__DEFAULT_PADDING*8;
1823 if(options.padding != 0) {
1824 if(p > 0 && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) {
1825 flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
1826 if(0 == flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]) {
1827 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for PADDING block\n", e->inbasefilename);
1828 static_metadata_clear(&static_metadata);
1831 flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]->is_last = false; /* the encoder will set this for us */
1832 flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]->length = p;
1833 flac_decoder_data->num_metadata_blocks++;
1837 metadata = &flac_decoder_data->metadata_blocks[1]; /* don't include STREAMINFO */
1838 num_metadata = flac_decoder_data->num_metadata_blocks - 1;
1842 * we're not encoding from FLAC so we will build the metadata
1845 const foreign_metadata_t *foreign_metadata = (options.format == FORMAT_WAVE || options.format == FORMAT_AIFF || options.format == FORMAT_AIFF_C)? options.format_options.iff.foreign_metadata : 0;
1847 if(e->seek_table_template->data.seek_table.num_points > 0) {
1848 e->seek_table_template->is_last = false; /* the encoder will set this for us */
1849 static_metadata_append(&static_metadata, e->seek_table_template, /*needs_delete=*/false);
1851 if(0 != static_metadata.cuesheet)
1852 static_metadata_append(&static_metadata, static_metadata.cuesheet, /*needs_delete=*/false);
1853 if(e->info.channel_mask) {
1854 if(!flac__utils_set_channel_mask_tag(options.vorbis_comment, e->info.channel_mask)) {
1855 flac__utils_printf(stderr, 1, "%s: ERROR adding channel mask tag\n", e->inbasefilename);
1856 static_metadata_clear(&static_metadata);
1860 static_metadata_append(&static_metadata, options.vorbis_comment, /*needs_delete=*/false);
1861 for(i = 0; i < options.num_pictures; i++)
1862 static_metadata_append(&static_metadata, options.pictures[i], /*needs_delete=*/false);
1863 if(foreign_metadata) {
1864 for(i = 0; i < foreign_metadata->num_blocks; i++) {
1865 FLAC__StreamMetadata *p = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
1867 flac__utils_printf(stderr, 1, "%s: ERROR: out of memory\n", e->inbasefilename);
1868 static_metadata_clear(&static_metadata);
1871 static_metadata_append(&static_metadata, p, /*needs_delete=*/true);
1872 static_metadata.metadata[static_metadata.num_metadata-1]->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN/8 + foreign_metadata->blocks[i].size;
1873 /*fprintf(stderr,"@@@@@@ add PADDING=%u\n",static_metadata.metadata[static_metadata.num_metadata-1]->length);*/
1876 if(options.padding != 0) {
1877 padding.is_last = false; /* the encoder will set this for us */
1878 padding.type = FLAC__METADATA_TYPE_PADDING;
1879 padding.length = (unsigned)(options.padding>0? options.padding : (e->total_samples_to_encode / sample_rate < 20*60? FLAC_ENCODE__DEFAULT_PADDING : FLAC_ENCODE__DEFAULT_PADDING*8));
1880 static_metadata_append(&static_metadata, &padding, /*needs_delete=*/false);
1882 metadata = static_metadata.metadata;
1883 num_metadata = static_metadata.num_metadata;
1886 /* check for a few things that have not already been checked. the
1887 * FLAC__stream_encoder_init*() will check it but only return
1888 * FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA so we check some
1889 * up front to give a better error message.
1891 if(!verify_metadata(e, metadata, num_metadata)) {
1892 static_metadata_clear(&static_metadata);
1896 FLAC__stream_encoder_set_verify(e->encoder, options.verify);
1897 FLAC__stream_encoder_set_streamable_subset(e->encoder, !options.lax);
1898 FLAC__stream_encoder_set_channels(e->encoder, channels);
1899 FLAC__stream_encoder_set_bits_per_sample(e->encoder, bps);
1900 FLAC__stream_encoder_set_sample_rate(e->encoder, sample_rate);
1901 for(i = 0; i < options.num_compression_settings; i++) {
1902 switch(options.compression_settings[i].type) {
1904 FLAC__stream_encoder_set_blocksize(e->encoder, options.compression_settings[i].value.t_unsigned);
1906 case CST_COMPRESSION_LEVEL:
1907 FLAC__stream_encoder_set_compression_level(e->encoder, options.compression_settings[i].value.t_unsigned);
1908 apodizations[0] = '\0';
1910 case CST_DO_MID_SIDE:
1911 FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder, options.compression_settings[i].value.t_bool);
1913 case CST_LOOSE_MID_SIDE:
1914 FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder, options.compression_settings[i].value.t_bool);
1916 case CST_APODIZATION:
1917 if(strlen(apodizations)+strlen(options.compression_settings[i].value.t_string)+2 >= sizeof(apodizations)) {
1918 flac__utils_printf(stderr, 1, "%s: ERROR: too many apodization functions requested\n", e->inbasefilename);
1919 static_metadata_clear(&static_metadata);
1923 strcat(apodizations, options.compression_settings[i].value.t_string);
1924 strcat(apodizations, ";");
1927 case CST_MAX_LPC_ORDER:
1928 FLAC__stream_encoder_set_max_lpc_order(e->encoder, options.compression_settings[i].value.t_unsigned);
1930 case CST_QLP_COEFF_PRECISION:
1931 FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder, options.compression_settings[i].value.t_unsigned);
1933 case CST_DO_QLP_COEFF_PREC_SEARCH:
1934 FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder, options.compression_settings[i].value.t_bool);
1936 case CST_DO_ESCAPE_CODING:
1937 FLAC__stream_encoder_set_do_escape_coding(e->encoder, options.compression_settings[i].value.t_bool);
1939 case CST_DO_EXHAUSTIVE_MODEL_SEARCH:
1940 FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder, options.compression_settings[i].value.t_bool);
1942 case CST_MIN_RESIDUAL_PARTITION_ORDER:
1943 FLAC__stream_encoder_set_min_residual_partition_order(e->encoder, options.compression_settings[i].value.t_unsigned);
1945 case CST_MAX_RESIDUAL_PARTITION_ORDER:
1946 FLAC__stream_encoder_set_max_residual_partition_order(e->encoder, options.compression_settings[i].value.t_unsigned);
1948 case CST_RICE_PARAMETER_SEARCH_DIST:
1949 FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder, options.compression_settings[i].value.t_unsigned);
1954 FLAC__stream_encoder_set_apodization(e->encoder, apodizations);
1955 FLAC__stream_encoder_set_total_samples_estimate(e->encoder, e->total_samples_to_encode);
1956 FLAC__stream_encoder_set_metadata(e->encoder, (num_metadata > 0)? metadata : 0, num_metadata);
1958 FLAC__stream_encoder_disable_constant_subframes(e->encoder, options.debug.disable_constant_subframes);
1959 FLAC__stream_encoder_disable_fixed_subframes(e->encoder, options.debug.disable_fixed_subframes);
1960 FLAC__stream_encoder_disable_verbatim_subframes(e->encoder, options.debug.disable_verbatim_subframes);
1961 if(!options.debug.do_md5) {
1962 flac__utils_printf(stderr, 1, "%s: WARNING, MD5 computation disabled, resulting file will not have MD5 sum\n", e->inbasefilename);
1963 if(e->treat_warnings_as_errors) {
1964 static_metadata_clear(&static_metadata);
1967 FLAC__stream_encoder_set_do_md5(e->encoder, false);
1972 FLAC__stream_encoder_set_ogg_serial_number(e->encoder, options.serial_number);
1974 init_status = FLAC__stream_encoder_init_ogg_file(e->encoder, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e);
1979 init_status = FLAC__stream_encoder_init_file(e->encoder, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e);
1982 if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
1983 print_error_with_init_status(e, "ERROR initializing encoder", init_status);
1984 if(FLAC__stream_encoder_get_state(e->encoder) != FLAC__STREAM_ENCODER_IO_ERROR)
1985 e->outputfile_opened = true;
1986 static_metadata_clear(&static_metadata);
1990 e->outputfile_opened = true;
1993 (FLAC__stream_encoder_get_do_exhaustive_model_search(e->encoder) && FLAC__stream_encoder_get_do_qlp_coeff_prec_search(e->encoder))? 0x07 :
1994 (FLAC__stream_encoder_get_do_exhaustive_model_search(e->encoder) || FLAC__stream_encoder_get_do_qlp_coeff_prec_search(e->encoder))? 0x0f :
1997 static_metadata_clear(&static_metadata);
2002 FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples)
2004 if(e->replay_gain) {
2005 if(!grabbag__replaygain_analyze(buffer, e->info.channels==2, e->info.bits_per_sample, samples)) {
2006 flac__utils_printf(stderr, 1, "%s: WARNING, error while calculating ReplayGain\n", e->inbasefilename);
2007 if(e->treat_warnings_as_errors)
2012 return FLAC__stream_encoder_process(e->encoder, buffer, samples);
2015 FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e)
2017 const FLAC__bool only_placeholders = e->is_stdout;
2018 FLAC__bool has_real_points;
2020 if(num_requested_seek_points == 0 && 0 == cuesheet)
2023 if(num_requested_seek_points < 0) {
2025 /*@@@@@@ workaround ogg bug: too many seekpoints makes table not fit in one page */
2026 if(e->use_ogg && e->total_samples_to_encode > 0 && e->total_samples_to_encode / e->info.sample_rate / 10 > 230)
2027 requested_seek_points = "230x;";
2030 requested_seek_points = "10s;";
2031 num_requested_seek_points = 1;
2034 if(num_requested_seek_points > 0) {
2035 if(!grabbag__seektable_convert_specification_to_template(requested_seek_points, only_placeholders, e->total_samples_to_encode, e->info.sample_rate, e->seek_table_template, &has_real_points))
2041 const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
2042 for(i = 0; i < cs->num_tracks; i++) {
2043 const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i;
2044 for(j = 0; j < tr->num_indices; j++) {
2045 if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset))
2047 has_real_points = true;
2051 if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true))
2055 if(has_real_points) {
2057 flac__utils_printf(stderr, 1, "%s: WARNING, cannot write back seekpoints when encoding to stdout\n", e->inbasefilename);
2058 if(e->treat_warnings_as_errors)
2066 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
2068 /* convert from mm:ss.sss to sample number if necessary */
2069 flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
2071 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
2072 if(spec->is_relative && spec->value.samples == 0) {
2073 spec->is_relative = false;
2077 /* in any other case the total samples in the input must be known */
2078 if(total_samples_in_input == 0) {
2079 flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when input length is unknown\n", inbasefilename);
2083 FLAC__ASSERT(spec->value_is_samples);
2085 /* convert relative specifications to absolute */
2086 if(spec->is_relative) {
2087 if(spec->value.samples <= 0)
2088 spec->value.samples += (FLAC__int64)total_samples_in_input;
2090 spec->value.samples += skip;
2091 spec->is_relative = false;
2095 if(spec->value.samples < 0) {
2096 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
2099 if((FLAC__uint64)spec->value.samples <= skip) {
2100 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
2103 if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
2104 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename);
2111 FLAC__bool verify_metadata(const EncoderSession *e, FLAC__StreamMetadata **metadata, unsigned num_metadata)
2113 FLAC__bool metadata_picture_has_type1 = false;
2114 FLAC__bool metadata_picture_has_type2 = false;
2117 FLAC__ASSERT(0 != metadata);
2118 for(i = 0; i < num_metadata; i++) {
2119 const FLAC__StreamMetadata *m = metadata[i];
2120 if(m->type == FLAC__METADATA_TYPE_SEEKTABLE) {
2121 if(!FLAC__format_seektable_is_legal(&m->data.seek_table)) {
2122 flac__utils_printf(stderr, 1, "%s: ERROR: SEEKTABLE metadata block is invalid\n", e->inbasefilename);
2126 else if(m->type == FLAC__METADATA_TYPE_CUESHEET) {
2127 if(!FLAC__format_cuesheet_is_legal(&m->data.cue_sheet, m->data.cue_sheet.is_cd, /*violation=*/0)) {
2128 flac__utils_printf(stderr, 1, "%s: ERROR: CUESHEET metadata block is invalid\n", e->inbasefilename);
2132 else if(m->type == FLAC__METADATA_TYPE_PICTURE) {
2133 const char *error = 0;
2134 if(!FLAC__format_picture_is_legal(&m->data.picture, &error)) {
2135 flac__utils_printf(stderr, 1, "%s: ERROR: PICTURE metadata block is invalid: %s\n", e->inbasefilename, error);
2138 if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) {
2139 if(metadata_picture_has_type1) {
2140 flac__utils_printf(stderr, 1, "%s: ERROR: there may only be one picture of type 1 (32x32 icon) in the file\n", e->inbasefilename);
2143 metadata_picture_has_type1 = true;
2145 else if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) {
2146 if(metadata_picture_has_type2) {
2147 flac__utils_printf(stderr, 1, "%s: ERROR: there may only be one picture of type 2 (icon) in the file\n", e->inbasefilename);
2150 metadata_picture_has_type2 = true;
2158 FLAC__bool format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps, unsigned shift, size_t *channel_map)
2160 unsigned wide_sample, sample, channel, byte;
2161 FLAC__int32 *out[FLAC__MAX_CHANNELS];
2163 if(0 == channel_map) {
2164 for(channel = 0; channel < channels; channel++)
2165 out[channel] = dest[channel];
2168 for(channel = 0; channel < channels; channel++)
2169 out[channel] = dest[channel_map[channel]];
2173 if(is_unsigned_samples) {
2174 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2175 for(channel = 0; channel < channels; channel++, sample++)
2176 out[channel][wide_sample] = (FLAC__int32)ucbuffer_[sample] - 0x80;
2179 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2180 for(channel = 0; channel < channels; channel++, sample++)
2181 out[channel][wide_sample] = (FLAC__int32)scbuffer_[sample];
2184 else if(bps == 16) {
2185 if(is_big_endian != is_big_endian_host_) {
2187 const unsigned bytes = wide_samples * channels * (bps >> 3);
2188 for(byte = 0; byte < bytes; byte += 2) {
2189 tmp = ucbuffer_[byte];
2190 ucbuffer_[byte] = ucbuffer_[byte+1];
2191 ucbuffer_[byte+1] = tmp;
2194 if(is_unsigned_samples) {
2195 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2196 for(channel = 0; channel < channels; channel++, sample++)
2197 out[channel][wide_sample] = (FLAC__int32)usbuffer_[sample] - 0x8000;
2200 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2201 for(channel = 0; channel < channels; channel++, sample++)
2202 out[channel][wide_sample] = (FLAC__int32)ssbuffer_[sample];
2205 else if(bps == 24) {
2206 if(!is_big_endian) {
2208 const unsigned bytes = wide_samples * channels * (bps >> 3);
2209 for(byte = 0; byte < bytes; byte += 3) {
2210 tmp = ucbuffer_[byte];
2211 ucbuffer_[byte] = ucbuffer_[byte+2];
2212 ucbuffer_[byte+2] = tmp;
2215 if(is_unsigned_samples) {
2216 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2217 for(channel = 0; channel < channels; channel++, sample++) {
2218 out[channel][wide_sample] = ucbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2219 out[channel][wide_sample] |= ucbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2220 out[channel][wide_sample] |= ucbuffer_[byte++];
2221 out[channel][wide_sample] -= 0x800000;
2225 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2226 for(channel = 0; channel < channels; channel++, sample++) {
2227 out[channel][wide_sample] = scbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2228 out[channel][wide_sample] |= ucbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2229 out[channel][wide_sample] |= ucbuffer_[byte++];
2237 FLAC__int32 mask = (1<<shift)-1;
2238 for(wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2239 for(channel = 0; channel < channels; channel++) {
2240 if(out[channel][wide_sample] & mask) {
2241 flac__utils_printf(stderr, 1, "ERROR during read, sample data (channel#%u sample#%u = %d) has non-zero least-significant bits\n WAVE/AIFF header said the last %u bits are not significant and should be zero.\n", channel, wide_sample, out[channel][wide_sample], shift);
2244 out[channel][wide_sample] >>= shift;
2250 void encoder_progress_callback(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
2252 EncoderSession *e = (EncoderSession*)client_data;
2254 (void)encoder, (void)total_frames_estimate;
2256 e->bytes_written = bytes_written;
2257 e->samples_written = samples_written;
2259 if(e->total_samples_to_encode > 0 && !((frames_written-1) & e->stats_mask))
2263 FLAC__StreamDecoderReadStatus flac_decoder_read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
2266 EncoderSession *e = (EncoderSession*)client_data;
2267 FLACDecoderData *data = &e->fmt.flac.client_data;
2271 if (data->fatal_error)
2272 return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
2274 /* use up lookahead first */
2275 if (data->lookahead_length) {
2276 n = min(data->lookahead_length, *bytes);
2277 memcpy(buffer, data->lookahead, n);
2279 data->lookahead += n;
2280 data->lookahead_length -= n;
2283 /* get the rest from file */
2285 *bytes = n + fread(buffer, 1, *bytes-n, e->fin);
2287 return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
2288 else if(0 == *bytes)
2289 return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
2291 return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
2294 return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
2297 FLAC__StreamDecoderSeekStatus flac_decoder_seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
2299 EncoderSession *e = (EncoderSession*)client_data;
2302 if(fseeko(e->fin, (off_t)absolute_byte_offset, SEEK_SET) < 0)
2303 return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
2305 return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
2308 FLAC__StreamDecoderTellStatus flac_decoder_tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
2310 EncoderSession *e = (EncoderSession*)client_data;
2314 if((pos = ftello(e->fin)) < 0)
2315 return FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
2317 *absolute_byte_offset = (FLAC__uint64)pos;
2318 return FLAC__STREAM_DECODER_TELL_STATUS_OK;
2322 FLAC__StreamDecoderLengthStatus flac_decoder_length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
2324 const EncoderSession *e = (EncoderSession*)client_data;
2325 const FLACDecoderData *data = &e->fmt.flac.client_data;
2328 if(data->filesize < 0)
2329 return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR;
2331 *stream_length = (FLAC__uint64)data->filesize;
2332 return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
2336 FLAC__bool flac_decoder_eof_callback(const FLAC__StreamDecoder *decoder, void *client_data)
2338 EncoderSession *e = (EncoderSession*)client_data;
2341 return feof(e->fin)? true : false;
2344 FLAC__StreamDecoderWriteStatus flac_decoder_write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
2346 EncoderSession *e = (EncoderSession*)client_data;
2347 FLACDecoderData *data = &e->fmt.flac.client_data;
2348 FLAC__uint64 n = min(data->samples_left_to_process, frame->header.blocksize);
2351 if(!EncoderSession_process(e, buffer, (unsigned)n)) {
2352 print_error_with_state(e, "ERROR during encoding");
2353 data->fatal_error = true;
2354 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
2357 data->samples_left_to_process -= n;
2358 return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
2361 void flac_decoder_metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
2363 EncoderSession *e = (EncoderSession*)client_data;
2364 FLACDecoderData *data = &e->fmt.flac.client_data;
2367 if (data->fatal_error)
2371 data->num_metadata_blocks == sizeof(data->metadata_blocks)/sizeof(data->metadata_blocks[0]) ||
2372 0 == (data->metadata_blocks[data->num_metadata_blocks] = FLAC__metadata_object_clone(metadata))
2374 data->fatal_error = true;
2376 data->num_metadata_blocks++;
2379 void flac_decoder_error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
2381 EncoderSession *e = (EncoderSession*)client_data;
2382 FLACDecoderData *data = &e->fmt.flac.client_data;
2385 flac__utils_printf(stderr, 1, "%s: ERROR got %s while decoding FLAC input\n", e->inbasefilename, FLAC__StreamDecoderErrorStatusString[status]);
2386 if(!e->continue_through_decode_errors)
2387 data->fatal_error = true;
2390 FLAC__bool parse_cuesheet(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset, FLAC__bool treat_warnings_as_errors)
2393 unsigned last_line_read;
2394 const char *error_message;
2396 if(0 == cuesheet_filename)
2399 if(lead_out_offset == 0) {
2400 flac__utils_printf(stderr, 1, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknown\n", inbasefilename);
2404 if(0 == (f = fopen(cuesheet_filename, "r"))) {
2405 flac__utils_printf(stderr, 1, "%s: ERROR opening cuesheet \"%s\" for reading: %s\n", inbasefilename, cuesheet_filename, strerror(errno));
2409 *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, is_cdda, lead_out_offset);
2413 if(0 == *cuesheet) {
2414 flac__utils_printf(stderr, 1, "%s: ERROR parsing cuesheet \"%s\" on line %u: %s\n", inbasefilename, cuesheet_filename, last_line_read, error_message);
2418 if(!FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/false, &error_message)) {
2419 flac__utils_printf(stderr, 1, "%s: ERROR parsing cuesheet \"%s\": %s\n", inbasefilename, cuesheet_filename, error_message);
2423 /* if we're expecting CDDA, warn about non-compliance */
2424 if(is_cdda && !FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/true, &error_message)) {
2425 flac__utils_printf(stderr, 1, "%s: WARNING cuesheet \"%s\" is not audio CD compliant: %s\n", inbasefilename, cuesheet_filename, error_message);
2426 if(treat_warnings_as_errors)
2428 (*cuesheet)->data.cue_sheet.is_cd = false;
2434 void print_stats(const EncoderSession *encoder_session)
2436 const FLAC__uint64 samples_written = min(encoder_session->total_samples_to_encode, encoder_session->samples_written);
2437 const FLAC__uint64 uesize = encoder_session->unencoded_size;
2438 #if defined _MSC_VER || defined __MINGW32__
2439 /* with MSVC you have to spoon feed it the casting */
2440 const double progress = (double)(FLAC__int64)samples_written / (double)(FLAC__int64)encoder_session->total_samples_to_encode;
2441 const double ratio = (double)(FLAC__int64)encoder_session->bytes_written / ((double)(FLAC__int64)(uesize? uesize:1) * min(1.0, progress));
2443 const double progress = (double)samples_written / (double)encoder_session->total_samples_to_encode;
2444 const double ratio = (double)encoder_session->bytes_written / ((double)(uesize? uesize:1) * min(1.0, progress));
2447 FLAC__ASSERT(encoder_session->total_samples_to_encode > 0);
2449 if(samples_written == encoder_session->total_samples_to_encode) {
2450 flac__utils_printf(stderr, 2, "\r%s:%s wrote %u bytes, ratio=",
2451 encoder_session->inbasefilename,
2452 encoder_session->verify? " Verify OK," : "",
2453 (unsigned)encoder_session->bytes_written
2457 flac__utils_printf(stderr, 2, "\r%s: %u%% complete, ratio=", encoder_session->inbasefilename, (unsigned)floor(progress * 100.0 + 0.5));
2460 flac__utils_printf(stderr, 2, "%0.3f", ratio);
2462 flac__utils_printf(stderr, 2, "N/A");
2465 void print_error_with_init_status(const EncoderSession *e, const char *message, FLAC__StreamEncoderInitStatus init_status)
2467 const int ilen = strlen(e->inbasefilename) + 1;
2468 const char *state_string = "";
2470 flac__utils_printf(stderr, 1, "\n%s: %s\n", e->inbasefilename, message);
2472 flac__utils_printf(stderr, 1, "%*s init_status = %s\n", ilen, "", FLAC__StreamEncoderInitStatusString[init_status]);
2474 if(init_status == FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR) {
2475 state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder);
2477 flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", state_string);
2479 /* print out some more info for some errors: */
2480 if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_CLIENT_ERROR])) {
2481 flac__utils_printf(stderr, 1,
2483 "An error occurred while writing; the most common cause is that the disk is full.\n"
2486 else if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_IO_ERROR])) {
2487 flac__utils_printf(stderr, 1,
2489 "An error occurred opening the output file; it is likely that the output\n"
2490 "directory does not exist or is not writable, the output file already exists and\n"
2491 "is not writable, or the disk is full.\n"
2495 else if(init_status == FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE) {
2496 flac__utils_printf(stderr, 1,
2498 "The encoding parameters specified do not conform to the FLAC Subset and may not\n"
2499 "be streamable or playable in hardware devices. If you really understand the\n"
2500 "consequences, you can add --lax to the command-line options to encode with\n"
2501 "these parameters anyway. See http://flac.sourceforge.net/format.html#subset\n"
2506 void print_error_with_state(const EncoderSession *e, const char *message)
2508 const int ilen = strlen(e->inbasefilename) + 1;
2509 const char *state_string;
2511 flac__utils_printf(stderr, 1, "\n%s: %s\n", e->inbasefilename, message);
2513 state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder);
2515 flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", state_string);
2517 /* print out some more info for some errors: */
2518 if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_CLIENT_ERROR])) {
2519 flac__utils_printf(stderr, 1,
2521 "An error occurred while writing; the most common cause is that the disk is full.\n"
2526 void print_verify_error(EncoderSession *e)
2528 FLAC__uint64 absolute_sample;
2529 unsigned frame_number;
2532 FLAC__int32 expected;
2535 FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
2537 flac__utils_printf(stderr, 1, "%s: ERROR: mismatch in decoded data, verify FAILED!\n", e->inbasefilename);
2538 flac__utils_printf(stderr, 1, " Absolute sample=%u, frame=%u, channel=%u, sample=%u, expected %d, got %d\n", (unsigned)absolute_sample, frame_number, channel, sample, expected, got);
2539 flac__utils_printf(stderr, 1, " In all known cases, verify errors are caused by hardware problems,\n");
2540 flac__utils_printf(stderr, 1, " usually overclocking or bad RAM. Delete %s\n", e->outfilename);
2541 flac__utils_printf(stderr, 1, " and repeat the flac command exactly as before. If it does not give a\n");
2542 flac__utils_printf(stderr, 1, " verify error in the exact same place each time you try it, then there is\n");
2543 flac__utils_printf(stderr, 1, " a problem with your hardware; please see the FAQ:\n");
2544 flac__utils_printf(stderr, 1, " http://flac.sourceforge.net/faq.html#tools__hardware_prob\n");
2545 flac__utils_printf(stderr, 1, " If it does fail in the exact same place every time, keep\n");
2546 flac__utils_printf(stderr, 1, " %s and submit a bug report to:\n", e->outfilename);
2547 flac__utils_printf(stderr, 1, " https://sourceforge.net/bugs/?func=addbug&group_id=13478\n");
2548 flac__utils_printf(stderr, 1, " Make sure to upload the FLAC file and use the \"Monitor\" feature to\n");
2549 flac__utils_printf(stderr, 1, " monitor the bug status.\n");
2550 flac__utils_printf(stderr, 1, "Verify FAILED! Do not trust %s\n", e->outfilename);
2553 FLAC__bool read_bytes(FILE *f, FLAC__byte *buf, size_t n, FLAC__bool eof_ok, const char *fn)
2555 size_t bytes_read = fread(buf, 1, n, f);
2557 if(bytes_read == 0) {
2559 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2565 if(bytes_read < n) {
2566 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2572 FLAC__bool read_uint16(FILE *f, FLAC__bool big_endian, FLAC__uint16 *val, const char *fn)
2574 if(!read_bytes(f, (FLAC__byte*)val, 2, /*eof_ok=*/false, fn))
2576 if(is_big_endian_host_ != big_endian) {
2577 FLAC__byte tmp, *b = (FLAC__byte*)val;
2578 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
2583 FLAC__bool read_uint32(FILE *f, FLAC__bool big_endian, FLAC__uint32 *val, const char *fn)
2585 if(!read_bytes(f, (FLAC__byte*)val, 4, /*eof_ok=*/false, fn))
2587 if(is_big_endian_host_ != big_endian) {
2588 FLAC__byte tmp, *b = (FLAC__byte*)val;
2589 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
2590 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
2595 FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, const char *fn)
2596 /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f',
2597 * convert it into an integral value and store in 'val'. Return false if only
2598 * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f', or if the
2599 * value is negative, between zero and one, or too large to be represented by
2600 * 'val'; return true otherwise.
2609 if(!read_bytes(f, buf, sizeof(buf), /*eof_ok=*/false, fn))
2611 e = ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF;
2613 if((buf[0]>>7)==1U || e<0 || e>63) {
2614 flac__utils_printf(stderr, 1, "%s: ERROR: invalid floating-point value\n", fn);
2618 for(i = 0; i < 8; ++i)
2619 p |= (FLAC__uint64)(buf[i+2])<<(56U-i*8);
2620 *val = (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1));
2625 FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset)
2627 static unsigned char dump[8192];
2631 /* MS' stdio impl can't even seek forward on stdin, have to use pure non-fseek() version: */
2633 const long need = (long)min(offset, sizeof(dump));
2634 if((long)fread(dump, 1, need, f) < need)
2643 long need = (long)min(offset, LONG_MAX);
2644 if(fseeko(f, need, SEEK_CUR) < 0) {
2645 need = (long)min(offset, sizeof(dump));
2646 if((long)fread(dump, 1, need, f) < need)
2655 unsigned count_channel_mask_bits(FLAC__uint32 mask)
2667 FLAC__uint32 limit_channel_mask(FLAC__uint32 mask, unsigned channels)
2669 FLAC__uint32 x = 0x80000000;
2670 unsigned count = count_channel_mask_bits(mask);
2671 while(x && count > channels) {
2678 FLAC__ASSERT(count_channel_mask_bits(mask) == channels);