1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006 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 <= 1200 /* @@@ [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/grabbag.h"
49 #define min(x,y) ((x)<(y)?(x):(y))
53 #define max(x,y) ((x)>(y)?(x):(y))
55 /* this MUST be >= 588 so that sector aligning can take place with one read */
56 #define CHUNK_OF_SAMPLES 2048
64 FLAC__bool outputfile_opened; /* true if we successfully opened the output file and we want it to be deleted if there is an error */
65 const char *inbasefilename;
66 const char *outfilename;
69 FLAC__uint64 until; /* a value of 0 mean end-of-stream (i.e. --until=-0) */
70 FLAC__bool replay_gain;
72 unsigned bits_per_sample;
74 FLAC__uint64 unencoded_size;
75 FLAC__uint64 total_samples_to_encode;
76 FLAC__uint64 bytes_written;
77 FLAC__uint64 samples_written;
80 FLAC__StreamEncoder *encoder;
83 FLAC__StreamMetadata *seek_table_template;
86 /* this is data attached to the FLAC decoder when encoding from a FLAC file */
88 EncoderSession *encoder_session;
90 const FLAC__byte *lookahead;
91 unsigned lookahead_length;
92 size_t num_metadata_blocks;
93 FLAC__StreamMetadata *metadata_blocks[1024]; /*@@@ BAD MAGIC number */
94 FLAC__uint64 samples_left_to_process;
95 FLAC__bool fatal_error;
98 const int FLAC_ENCODE__DEFAULT_PADDING = 8192;
100 static FLAC__bool is_big_endian_host_;
102 static unsigned char ucbuffer_[CHUNK_OF_SAMPLES*FLAC__MAX_CHANNELS*((FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE+7)/8)];
103 static signed char *scbuffer_ = (signed char *)ucbuffer_;
104 static FLAC__uint16 *usbuffer_ = (FLAC__uint16 *)ucbuffer_;
105 static FLAC__int16 *ssbuffer_ = (FLAC__int16 *)ucbuffer_;
107 static FLAC__int32 in_[FLAC__MAX_CHANNELS][CHUNK_OF_SAMPLES];
108 static FLAC__int32 *input_[FLAC__MAX_CHANNELS];
112 * unpublished debug routines from the FLAC libs
114 extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
115 extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
116 extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
121 static FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FILE *infile, const char *infilename, const char *outfilename);
122 static void EncoderSession_destroy(EncoderSession *e);
123 static int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero);
124 static int EncoderSession_finish_error(EncoderSession *e);
125 static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, FLAC__uint32 channel_mask, unsigned channels, unsigned bps, unsigned sample_rate, FLACDecoderData *flac_decoder_data);
126 static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples);
127 static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e);
128 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
129 static FLAC__bool verify_metadata(const EncoderSession *e, FLAC__StreamMetadata **metadata, unsigned num_metadata);
130 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);
131 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);
132 static FLAC__StreamDecoderReadStatus flac_decoder_read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data);
133 static FLAC__StreamDecoderSeekStatus flac_decoder_seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data);
134 static FLAC__StreamDecoderTellStatus flac_decoder_tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data);
135 static FLAC__StreamDecoderLengthStatus flac_decoder_length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data);
136 static FLAC__bool flac_decoder_eof_callback(const FLAC__StreamDecoder *decoder, void *client_data);
137 static FLAC__StreamDecoderWriteStatus flac_decoder_write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
138 static void flac_decoder_metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
139 static void flac_decoder_error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
140 static FLAC__bool parse_cuesheet(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset);
141 static void print_stats(const EncoderSession *encoder_session);
142 static void print_error_with_init_status(const EncoderSession *e, const char *message, FLAC__StreamEncoderInitStatus init_status);
143 static void print_error_with_state(const EncoderSession *e, const char *message);
144 static void print_verify_error(EncoderSession *e);
145 static FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
146 static FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
147 static FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
148 static FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
149 static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
150 static FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset);
151 static unsigned count_channel_mask_bits(FLAC__uint32 mask);
152 static FLAC__uint32 limit_channel_mask(FLAC__uint32 mask, unsigned channels);
157 int flac__encode_aif(FILE *infile, off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options, FLAC__bool is_aifc)
159 EncoderSession encoder_session;
162 unsigned int channels= 0U, bps= 0U, shift= 0U, sample_rate= 0U, sample_frames= 0U;
163 size_t channel_map[FLAC__MAX_CHANNELS];
164 FLAC__bool got_comm_chunk= false, got_ssnd_chunk= false;
165 int info_align_carry= -1, info_align_zero= -1;
166 FLAC__bool is_big_endian_pcm = true;
168 (void)infilesize; /* silence compiler warning about unused parameter */
169 (void)lookahead; /* silence compiler warning about unused parameter */
170 (void)lookahead_length; /* silence compiler warning about unused parameter */
173 EncoderSession_construct(
176 options.common.use_ogg,
180 options.common.verify,
188 /* initialize default channel map that preserves channel order */
191 for(i = 0; i < sizeof(channel_map)/sizeof(channel_map[0]); i++)
195 /* lookahead[] already has "FORMxxxxAIFF", do sub-chunks */
199 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 */
201 /* chunk identifier; really conservative about behavior of fread() and feof() */
202 if(feof(infile) || ((c= fread(chunk_id, 1U, 4U, infile)), c==0U && feof(infile)))
204 else if(c<4U || feof(infile)) {
205 flac__utils_printf(stderr, 1, "%s: ERROR: incomplete chunk identifier\n", encoder_session.inbasefilename);
206 return EncoderSession_finish_error(&encoder_session);
209 if(got_comm_chunk==false && !memcmp(chunk_id, "COMM", 4)) { /* common chunk */
211 const FLAC__uint32 minimum_comm_size = (is_aifc? 22 : 18);
213 /* COMM chunk size */
214 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
215 return EncoderSession_finish_error(&encoder_session);
216 else if(xx<minimum_comm_size) {
217 flac__utils_printf(stderr, 1, "%s: ERROR: non-standard %s 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, is_aifc? "AIFF-C" : "AIFF", (unsigned int)xx);
218 return EncoderSession_finish_error(&encoder_session);
220 else if(!is_aifc && xx!=minimum_comm_size) {
221 flac__utils_printf(stderr, 1, "%s: WARNING: non-standard %s 'COMM' chunk has length = %u, expected %u\n", encoder_session.inbasefilename, is_aifc? "AIFF-C" : "AIFF", (unsigned int)xx, minimum_comm_size);
223 skip= (xx-minimum_comm_size)+(xx & 1U);
225 /* number of channels */
226 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
227 return EncoderSession_finish_error(&encoder_session);
228 else if(x==0U || x>FLAC__MAX_CHANNELS) {
229 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned int)x);
230 return EncoderSession_finish_error(&encoder_session);
232 else if(x>2U && !options.common.channel_map_none) {
233 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number channels %u for AIFF\n", encoder_session.inbasefilename, (unsigned int)x);
234 return EncoderSession_finish_error(&encoder_session);
236 else if(options.common.sector_align && x!=2U) {
237 flac__utils_printf(stderr, 1, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
238 return EncoderSession_finish_error(&encoder_session);
242 /* number of sample frames */
243 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
244 return EncoderSession_finish_error(&encoder_session);
247 /* bits per sample */
248 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
249 return EncoderSession_finish_error(&encoder_session);
250 else if(x<4U || x>24U) {
251 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported bits-per-sample %u\n", encoder_session.inbasefilename, (unsigned int)x);
252 return EncoderSession_finish_error(&encoder_session);
254 else if(options.common.sector_align && x!=16U) {
255 flac__utils_printf(stderr, 1, "%s: ERROR: file has %u bits-per-sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
256 return EncoderSession_finish_error(&encoder_session);
259 shift= (bps%8)? 8-(bps%8) : 0; /* SSND data is always byte-aligned, left-justified but format_input() will double-check */
263 if(!read_sane_extended(infile, &xx, false, encoder_session.inbasefilename))
264 return EncoderSession_finish_error(&encoder_session);
265 else if(!FLAC__format_sample_rate_is_valid(xx)) {
266 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned int)xx);
267 return EncoderSession_finish_error(&encoder_session);
269 else if(options.common.sector_align && xx!=44100U) {
270 flac__utils_printf(stderr, 1, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)xx);
271 return EncoderSession_finish_error(&encoder_session);
275 /* check compression type for AIFF-C */
277 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
278 return EncoderSession_finish_error(&encoder_session);
279 if(xx == 0x736F7774) /* "sowt" */
280 is_big_endian_pcm = false;
281 else if(xx == 0x4E4F4E45) /* "NONE" */
282 ; /* nothing to do, we already default to big-endian */
284 flac__utils_printf(stderr, 1, "%s: ERROR: can't handle AIFF-C compression type \"%c%c%c%c\"\n", encoder_session.inbasefilename, (char)(xx>>24), (char)((xx>>16)&8), (char)((xx>>8)&8), (char)(xx&8));
285 return EncoderSession_finish_error(&encoder_session);
289 /* set channel mapping */
290 /* FLAC order follows SMPTE and WAVEFORMATEXTENSIBLE but with fewer channels, which are: */
291 /* front left, front right, center, LFE, back left, back right, surround left, surround right */
292 /* specs say the channel ordering is:
294 * ___________________________________________________
298 * quad (ambiguous with 4ch) Fl Fr Bl Br
301 * 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
302 * so we only have unambiguous mappings for 2, 3, and 5 channels
305 options.common.channel_map_none ||
306 channels == 1 || /* 1 channel: (mono) */
307 channels == 2 || /* 2 channels: left, right */
308 channels == 3 || /* 3 channels: left, right, center */
309 channels == 5 /* 5 channels: front left, front right, center, surround left, surround right */
311 /* keep default channel order */
314 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number channels %u for AIFF\n", encoder_session.inbasefilename, channels);
315 return EncoderSession_finish_error(&encoder_session);
318 /* skip any extra data in the COMM chunk */
319 if(!fskip_ahead(infile, skip)) {
320 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping extra COMM data\n", encoder_session.inbasefilename);
321 return EncoderSession_finish_error(&encoder_session);
325 * now that we know the sample rate, canonicalize the
326 * --skip string to a number of samples:
328 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
329 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
330 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
331 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
333 got_comm_chunk= true;
335 else if(got_ssnd_chunk==false && !memcmp(chunk_id, "SSND", 4)) { /* sound data chunk */
336 unsigned int offset= 0U, block_size= 0U, align_remainder= 0U, data_bytes;
337 size_t bytes_per_frame= channels*(bps>>3);
338 FLAC__uint64 total_samples_in_input, trim = 0;
339 FLAC__bool pad= false;
341 if(got_comm_chunk==false) {
342 flac__utils_printf(stderr, 1, "%s: ERROR: got 'SSND' chunk before 'COMM' chunk\n", encoder_session.inbasefilename);
343 return EncoderSession_finish_error(&encoder_session);
346 /* SSND chunk size */
347 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
348 return EncoderSession_finish_error(&encoder_session);
350 pad= (data_bytes & 1U) ? true : false;
351 data_bytes-= 8U; /* discount the offset and block size fields */
354 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
355 return EncoderSession_finish_error(&encoder_session);
360 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
361 return EncoderSession_finish_error(&encoder_session);
363 flac__utils_printf(stderr, 1, "%s: ERROR: block size is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
364 return EncoderSession_finish_error(&encoder_session);
368 /* skip any SSND offset bytes */
369 FLAC__ASSERT(offset<=LONG_MAX);
370 if(!fskip_ahead(infile, offset)) {
371 flac__utils_printf(stderr, 1, "%s: ERROR: skipping offset in SSND chunk\n", encoder_session.inbasefilename);
372 return EncoderSession_finish_error(&encoder_session);
374 if(data_bytes!=(sample_frames*bytes_per_frame)) {
375 flac__utils_printf(stderr, 1, "%s: ERROR: SSND chunk size inconsistent with sample frame count\n", encoder_session.inbasefilename);
376 return EncoderSession_finish_error(&encoder_session);
379 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
380 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
381 total_samples_in_input = data_bytes / bytes_per_frame + *options.common.align_reservoir_samples;
384 * now that we know the input size, canonicalize the
385 * --until string to an absolute sample number:
387 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
388 return EncoderSession_finish_error(&encoder_session);
389 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
390 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
392 if(encoder_session.skip>0U) {
393 if(!fskip_ahead(infile, encoder_session.skip*bytes_per_frame)) {
394 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
395 return EncoderSession_finish_error(&encoder_session);
399 data_bytes-= (unsigned int)encoder_session.skip*bytes_per_frame; /*@@@ WATCHOUT: 4GB limit */
400 encoder_session.total_samples_to_encode= total_samples_in_input - encoder_session.skip;
401 if(encoder_session.until > 0) {
402 trim = total_samples_in_input - encoder_session.until;
403 FLAC__ASSERT(total_samples_in_input > 0);
404 FLAC__ASSERT(!options.common.sector_align);
405 data_bytes-= (unsigned int)trim*bytes_per_frame;
406 encoder_session.total_samples_to_encode-= trim;
408 if(options.common.sector_align) {
409 align_remainder= (unsigned int)(encoder_session.total_samples_to_encode % 588U);
410 if(options.common.is_last_file)
411 encoder_session.total_samples_to_encode+= (588U-align_remainder); /* will pad with zeroes */
413 encoder_session.total_samples_to_encode-= align_remainder; /* will stop short and carry over to next file */
416 /* +54 for the size of the AIFF headers; this is just an estimate for the progress indicator and doesn't need to be exact */
417 encoder_session.unencoded_size= encoder_session.total_samples_to_encode*bytes_per_frame+54;
419 if(!EncoderSession_init_encoder(&encoder_session, options.common, /*channel_mask=*/0, channels, bps-shift, sample_rate, /*flac_decoder_data=*/0))
420 return EncoderSession_finish_error(&encoder_session);
422 /* first do any samples in the reservoir */
423 if(options.common.sector_align && *options.common.align_reservoir_samples>0U) {
425 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
426 print_error_with_state(&encoder_session, "ERROR during encoding");
427 return EncoderSession_finish_error(&encoder_session);
431 /* decrement the data_bytes counter if we need to align the file */
432 if(options.common.sector_align) {
433 if(options.common.is_last_file)
434 *options.common.align_reservoir_samples= 0U;
436 *options.common.align_reservoir_samples= align_remainder;
437 data_bytes-= (*options.common.align_reservoir_samples)*bytes_per_frame;
441 /* now do from the file */
442 while(data_bytes>0) {
443 size_t bytes_read= fread(ucbuffer_, 1U, min(data_bytes, CHUNK_OF_SAMPLES*bytes_per_frame), infile);
447 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
448 return EncoderSession_finish_error(&encoder_session);
450 else if(feof(infile)) {
451 flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %u samples, got %u samples\n", encoder_session.inbasefilename, (unsigned int)encoder_session.total_samples_to_encode, (unsigned int)encoder_session.samples_written);
456 if(bytes_read % bytes_per_frame != 0U) {
457 flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
458 return EncoderSession_finish_error(&encoder_session);
461 unsigned int frames= bytes_read/bytes_per_frame;
462 if(!format_input(input_, frames, is_big_endian_pcm, /*is_unsigned_samples=*/false, channels, bps, shift, channel_map))
463 return EncoderSession_finish_error(&encoder_session);
465 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, frames)) {
466 print_error_with_state(&encoder_session, "ERROR during encoding");
467 return EncoderSession_finish_error(&encoder_session);
470 data_bytes-= bytes_read;
476 FLAC__ASSERT(!options.common.sector_align);
477 if(!fskip_ahead(infile, trim*bytes_per_frame)) {
478 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
479 return EncoderSession_finish_error(&encoder_session);
483 /* now read unaligned samples into reservoir or pad with zeroes if necessary */
484 if(options.common.sector_align) {
485 if(options.common.is_last_file) {
486 unsigned int pad_frames= 588U-align_remainder;
488 if(pad_frames<588U) {
491 info_align_zero= pad_frames;
492 for(i= 0U; i<channels; ++i)
493 memset(input_[i], 0, sizeof(input_[0][0])*pad_frames);
495 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, pad_frames)) {
496 print_error_with_state(&encoder_session, "ERROR during encoding");
497 return EncoderSession_finish_error(&encoder_session);
502 if(*options.common.align_reservoir_samples > 0) {
503 size_t bytes_read= fread(ucbuffer_, 1U, (*options.common.align_reservoir_samples)*bytes_per_frame, infile);
505 FLAC__ASSERT(CHUNK_OF_SAMPLES>=588U);
506 if(bytes_read==0U && ferror(infile)) {
507 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
508 return EncoderSession_finish_error(&encoder_session);
510 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_frame) {
511 flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; read %u bytes; expected %u samples, got %u samples\n", encoder_session.inbasefilename, (unsigned int)bytes_read, (unsigned int)encoder_session.total_samples_to_encode, (unsigned int)encoder_session.samples_written);
514 info_align_carry= *options.common.align_reservoir_samples;
515 if(!format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, is_big_endian_pcm, /*is_unsigned_samples=*/false, channels, bps, shift, channel_map))
516 return EncoderSession_finish_error(&encoder_session);
525 if(fread(&tmp, 1U, 1U, infile)<1U) {
526 flac__utils_printf(stderr, 1, "%s: ERROR during read of SSND pad byte\n", encoder_session.inbasefilename);
527 return EncoderSession_finish_error(&encoder_session);
531 got_ssnd_chunk= true;
533 else { /* other chunk */
534 if(!memcmp(chunk_id, "COMM", 4)) {
535 flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'COMM' chunk\n", encoder_session.inbasefilename);
537 else if(!memcmp(chunk_id, "SSND", 4)) {
538 flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'SSND' chunk\n", encoder_session.inbasefilename);
541 flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown chunk '%s'\n", encoder_session.inbasefilename, chunk_id);
545 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
546 return EncoderSession_finish_error(&encoder_session);
548 unsigned long skip= xx+(xx & 1U);
550 FLAC__ASSERT(skip<=LONG_MAX);
551 if(!fskip_ahead(infile, skip)) {
552 fprintf(stderr, "%s: ERROR during read while skipping unknown chunk\n", encoder_session.inbasefilename);
553 return EncoderSession_finish_error(&encoder_session);
559 if(got_ssnd_chunk==false && sample_frames!=0U) {
560 flac__utils_printf(stderr, 1, "%s: ERROR: missing SSND chunk\n", encoder_session.inbasefilename);
561 return EncoderSession_finish_error(&encoder_session);
564 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
567 int flac__encode_wav(FILE *infile, off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
569 EncoderSession encoder_session;
570 FLAC__bool is_unsigned_samples = false;
571 unsigned channels = 0, bps = 0, sample_rate = 0, shift = 0;
572 size_t bytes_per_wide_sample, bytes_read;
573 size_t channel_map[FLAC__MAX_CHANNELS];
574 FLAC__uint16 x, format; /* format is the wFormatTag word from the 'fmt ' chunk */
575 FLAC__uint32 xx, channel_mask = 0;
576 FLAC__bool got_fmt_chunk = false, got_data_chunk = false;
577 unsigned align_remainder = 0;
578 int info_align_carry = -1, info_align_zero = -1;
582 (void)lookahead_length;
585 EncoderSession_construct(
588 options.common.use_ogg,
592 options.common.verify,
600 /* initialize default channel map that preserves channel order */
603 for(i = 0; i < sizeof(channel_map)/sizeof(channel_map[0]); i++)
608 * lookahead[] already has "RIFFxxxxWAVE", do sub-chunks
610 while(!feof(infile)) {
611 if(!read_little_endian_uint32(infile, &xx, true, encoder_session.inbasefilename))
612 return EncoderSession_finish_error(&encoder_session);
615 if(xx == 0x20746d66 && !got_fmt_chunk) { /* "fmt " */
616 unsigned block_align, data_bytes;
619 * http://www-mmsp.ece.mcgill.ca/Documents/AudioFormats/WAVE/WAVE.html
620 * http://windowssdk.msdn.microsoft.com/en-us/library/ms713497.aspx
621 * 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
624 * 4 byte: subchunk size
625 * 2 byte: format type: 1 for WAVE_FORMAT_PCM, 65534 for WAVE_FORMAT_EXTENSIBLE
627 * 4 byte: sample rate (Hz)
628 * 4 byte: avg bytes per sec
629 * 2 byte: block align
630 * 2 byte: bits per sample (not necessarily all significant)
632 * 2 byte: extension size in bytes (usually 0 for WAVEFORMATEX and 22 for WAVEFORMATEXTENSIBLE with PCM)
633 * WAVEFORMATEXTENSIBLE adds
634 * 2 byte: valid bits per sample
635 * 4 byte: channel mask
636 * 16 byte: subformat GUID, first 2 bytes have format type, 1 being PCM
638 * Current spec says WAVEFORMATEX with PCM must have bps == 8 or 16, or any multiple of 8 for WAVEFORMATEXTENSIBLE.
639 * 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.
641 * Block align for WAVE_FORMAT_PCM or WAVE_FORMAT_EXTENSIBLE is also supposed to be channels*bps/8
643 * If the channel mask has more set bits than # of channels, the extra MSBs are ignored.
644 * If the channel mask has less set bits than # of channels, the extra channels are unassigned to any speaker.
646 * Data is supposed to be unsigned for bps <= 8 else signed.
649 /* fmt sub-chunk size */
650 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
651 return EncoderSession_finish_error(&encoder_session);
653 if(data_bytes < 16) {
654 flac__utils_printf(stderr, 1, "%s: ERROR: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, data_bytes);
655 return EncoderSession_finish_error(&encoder_session);
658 if(!read_little_endian_uint16(infile, &format, false, encoder_session.inbasefilename))
659 return EncoderSession_finish_error(&encoder_session);
660 if(format != 1 /*WAVE_FORMAT_PCM*/ && format != 65534 /*WAVE_FORMAT_EXTENSIBLE*/) {
661 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported format type %u\n", encoder_session.inbasefilename, (unsigned)format);
662 return EncoderSession_finish_error(&encoder_session);
664 /* number of channels */
665 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
666 return EncoderSession_finish_error(&encoder_session);
667 channels = (unsigned)x;
668 if(channels == 0 || channels > FLAC__MAX_CHANNELS) {
669 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number of channels %u\n", encoder_session.inbasefilename, channels);
670 return EncoderSession_finish_error(&encoder_session);
672 else if(options.common.sector_align && channels != 2) {
673 flac__utils_printf(stderr, 1, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, channels);
674 return EncoderSession_finish_error(&encoder_session);
677 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
678 return EncoderSession_finish_error(&encoder_session);
680 if(!FLAC__format_sample_rate_is_valid(sample_rate)) {
681 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, sample_rate);
682 return EncoderSession_finish_error(&encoder_session);
684 else if(options.common.sector_align && sample_rate != 44100) {
685 flac__utils_printf(stderr, 1, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, sample_rate);
686 return EncoderSession_finish_error(&encoder_session);
688 /* avg bytes per second (ignored) */
689 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
690 return EncoderSession_finish_error(&encoder_session);
692 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
693 return EncoderSession_finish_error(&encoder_session);
694 block_align = (unsigned)x;
695 /* bits per sample */
696 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
697 return EncoderSession_finish_error(&encoder_session);
699 is_unsigned_samples = (bps <= 8);
701 if(bps != 8 && bps != 16) {
702 if(bps == 24 || bps == 32) {
703 /* let these slide with a warning since they're unambiguous */
704 flac__utils_printf(stderr, 1, "%s: WARNING: legacy WAVE file has format type %u but bits-per-sample=%u\n", encoder_session.inbasefilename, (unsigned)format, bps);
707 /* @@@ we could add an option to specify left- or right-justified blocks so we knew how to set 'shift' */
708 flac__utils_printf(stderr, 1, "%s: ERROR: legacy WAVE file has format type %u but bits-per-sample=%u\n", encoder_session.inbasefilename, (unsigned)format, bps);
709 return EncoderSession_finish_error(&encoder_session);
712 #if 0 /* @@@ reinstate once we can get an answer about whether the samples are left- or right-justified */
713 if((bps+7)/8 * channels == block_align) {
715 /* assume legacy file is byte aligned with some LSBs zero; this is double-checked in format_input() */
716 flac__utils_printf(stderr, 1, "%s: WARNING: legacy WAVE file (format type %d) has block alignment=%u, bits-per-sample=%u, channels=%u\n", encoder_session.inbasefilename, (unsigned)format, block_align, bps, channels);
717 shift = 8 - (bps % 8);
724 flac__utils_printf(stderr, 1, "%s: ERROR: illegal WAVE file (format type %d) has block alignment=%u, bits-per-sample=%u, channels=%u\n", encoder_session.inbasefilename, (unsigned)format, block_align, bps, channels);
725 return EncoderSession_finish_error(&encoder_session);
730 if(channels > 2 && !options.common.channel_map_none) {
731 flac__utils_printf(stderr, 1, "%s: ERROR: WAVE has >2 channels but is not WAVE_FORMAT_EXTENSIBLE; cannot assign channels\n", encoder_session.inbasefilename);
732 return EncoderSession_finish_error(&encoder_session);
734 FLAC__ASSERT(data_bytes >= 16);
738 if(data_bytes < 40) {
739 flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with size %u\n", encoder_session.inbasefilename, data_bytes);
740 return EncoderSession_finish_error(&encoder_session);
743 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
744 return EncoderSession_finish_error(&encoder_session);
746 flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with cbSize %u\n", encoder_session.inbasefilename, (unsigned)x);
747 return EncoderSession_finish_error(&encoder_session);
750 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
751 return EncoderSession_finish_error(&encoder_session);
752 if((unsigned)x > bps) {
753 flac__utils_printf(stderr, 1, "%s: ERROR: invalid WAVEFORMATEXTENSIBLE chunk with wValidBitsPerSample (%u) > wBitsPerSample (%u)\n", encoder_session.inbasefilename, (unsigned)x, bps);
754 return EncoderSession_finish_error(&encoder_session);
756 shift = bps - (unsigned)x;
758 if(!read_little_endian_uint32(infile, &channel_mask, false, encoder_session.inbasefilename))
759 return EncoderSession_finish_error(&encoder_session);
760 /* for mono/stereo and unassigned channels, we fake the mask */
761 if(channel_mask == 0) {
763 channel_mask = 0x0001;
764 else if(channels == 2)
765 channel_mask = 0x0003;
767 /* set channel mapping */
768 /* FLAC order follows SMPTE and WAVEFORMATEXTENSIBLE but with fewer channels, which are: */
769 /* front left, front right, center, LFE, back left, back right, surround left, surround right */
770 /* the default mapping is sufficient for 1-6 channels and 7-8 are currently unspecified anyway */
772 /* @@@ example for dolby/vorbis order, for reference later in case it becomes important */
774 options.common.channel_map_none ||
775 channel_mask == 0x0001 || /* 1 channel: (mono) */
776 channel_mask == 0x0003 || /* 2 channels: front left, front right */
777 channel_mask == 0x0033 || /* 4 channels: front left, front right, back left, back right */
778 channel_mask == 0x0603 /* 4 channels: front left, front right, side left, side right */
780 /* keep default channel order */
783 channel_mask == 0x0007 || /* 3 channels: front left, front right, front center */
784 channel_mask == 0x0037 || /* 5 channels: front left, front right, front center, back left, back right */
785 channel_mask == 0x0607 /* 5 channels: front left, front right, front center, side left, side right */
787 /* to dolby order: front left, center, front right [, surround left, surround right ] */
792 channel_mask == 0x003f || /* 6 channels: front left, front right, front center, LFE, back left, back right */
793 channel_mask == 0x060f /* 6 channels: front left, front right, front center, LFE, side left, side right */
795 /* to dolby order: front left, center, front right, surround left, surround right, LFE */
804 options.common.channel_map_none ||
805 channel_mask == 0x0001 || /* 1 channel: (mono) */
806 channel_mask == 0x0003 || /* 2 channels: front left, front right */
807 channel_mask == 0x0007 || /* 3 channels: front left, front right, front center */
808 channel_mask == 0x0033 || /* 4 channels: front left, front right, back left, back right */
809 channel_mask == 0x0603 || /* 4 channels: front left, front right, side left, side right */
810 channel_mask == 0x0037 || /* 5 channels: front left, front right, front center, back left, back right */
811 channel_mask == 0x0607 || /* 5 channels: front left, front right, front center, side left, side right */
812 channel_mask == 0x003f || /* 6 channels: front left, front right, front center, LFE, back left, back right */
813 channel_mask == 0x060f /* 6 channels: front left, front right, front center, LFE, side left, side right */
815 /* keep default channel order */
819 flac__utils_printf(stderr, 1, "%s: ERROR: WAVEFORMATEXTENSIBLE chunk with unsupported channel mask=0x%04X\n", encoder_session.inbasefilename, (unsigned)channel_mask);
820 return EncoderSession_finish_error(&encoder_session);
822 if(!options.common.channel_map_none) {
823 if(count_channel_mask_bits(channel_mask) < channels) {
824 flac__utils_printf(stderr, 1, "%s: ERROR: WAVEFORMATEXTENSIBLE chunk: channel mask 0x%04X has unassigned channels (#channels=%u)\n", encoder_session.inbasefilename, (unsigned)channel_mask, channels);
825 return EncoderSession_finish_error(&encoder_session);
828 /* supporting this is too difficult with channel mapping; e.g. what if mask is 0x003f but #channels=4?
829 * there would be holes in the order that would have to be filled in, or the mask would have to be
830 * limited and the logic above rerun to see if it still fits into the FLAC mapping.
832 else if(count_channel_mask_bits(channel_mask) > channels)
833 channel_mask = limit_channel_mask(channel_mask, channels);
835 else if(count_channel_mask_bits(channel_mask) > channels) {
836 flac__utils_printf(stderr, 1, "%s: ERROR: WAVEFORMATEXTENSIBLE chunk: channel mask 0x%04X has extra bits for non-existant channels (#channels=%u)\n", encoder_session.inbasefilename, (unsigned)channel_mask, channels);
837 return EncoderSession_finish_error(&encoder_session);
841 /* first part of GUID */
842 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
843 return EncoderSession_finish_error(&encoder_session);
845 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported WAVEFORMATEXTENSIBLE chunk with non-PCM format %u\n", encoder_session.inbasefilename, (unsigned)x);
846 return EncoderSession_finish_error(&encoder_session);
851 if(bps-shift < 4 || bps-shift > 24) {
852 flac__utils_printf(stderr, 1, "%s: ERROR: unsupported bits-per-sample %u\n", encoder_session.inbasefilename, bps-shift);
853 return EncoderSession_finish_error(&encoder_session);
855 else if(options.common.sector_align && bps-shift != 16) {
856 flac__utils_printf(stderr, 1, "%s: ERROR: file has %u bits-per-sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, bps-shift);
857 return EncoderSession_finish_error(&encoder_session);
860 /* skip any extra data in the fmt sub-chunk */
861 if(!fskip_ahead(infile, data_bytes)) {
862 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping extra 'fmt' data\n", encoder_session.inbasefilename);
863 return EncoderSession_finish_error(&encoder_session);
867 * now that we know the sample rate, canonicalize the
868 * --skip string to a number of samples:
870 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
871 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
872 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
873 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
875 got_fmt_chunk = true;
877 else if(xx == 0x61746164 && !got_data_chunk && got_fmt_chunk) { /* "data" */
878 FLAC__uint64 total_samples_in_input, trim = 0;
879 FLAC__bool pad = false;
883 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
884 return EncoderSession_finish_error(&encoder_session);
886 pad = (data_bytes & 1U) ? true : false;
888 bytes_per_wide_sample = channels * (bps >> 3);
890 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
891 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
892 total_samples_in_input = data_bytes / bytes_per_wide_sample + *options.common.align_reservoir_samples;
895 * now that we know the input size, canonicalize the
896 * --until string to an absolute sample number:
898 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
899 return EncoderSession_finish_error(&encoder_session);
900 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
901 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
903 if(encoder_session.skip > 0) {
904 if(!fskip_ahead(infile, encoder_session.skip * bytes_per_wide_sample)) {
905 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
906 return EncoderSession_finish_error(&encoder_session);
910 data_bytes -= (unsigned)encoder_session.skip * bytes_per_wide_sample; /*@@@ WATCHOUT: 4GB limit */
911 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
912 if(encoder_session.until > 0) {
913 trim = total_samples_in_input - encoder_session.until;
914 FLAC__ASSERT(total_samples_in_input > 0);
915 FLAC__ASSERT(!options.common.sector_align);
916 data_bytes -= (unsigned int)trim * bytes_per_wide_sample;
917 encoder_session.total_samples_to_encode -= trim;
919 if(options.common.sector_align) {
920 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
921 if(options.common.is_last_file)
922 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
924 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
927 /* +44 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
928 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample + 44;
930 if(!EncoderSession_init_encoder(&encoder_session, options.common, channel_mask, channels, bps-shift, sample_rate, /*flac_decoder_data=*/0))
931 return EncoderSession_finish_error(&encoder_session);
934 * first do any samples in the reservoir
936 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
937 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
938 print_error_with_state(&encoder_session, "ERROR during encoding");
939 return EncoderSession_finish_error(&encoder_session);
944 * decrement the data_bytes counter if we need to align the file
946 if(options.common.sector_align) {
947 if(options.common.is_last_file) {
948 *options.common.align_reservoir_samples = 0;
951 *options.common.align_reservoir_samples = align_remainder;
952 data_bytes -= (*options.common.align_reservoir_samples) * bytes_per_wide_sample;
957 * now do from the file
959 while(data_bytes > 0) {
960 bytes_read = fread(ucbuffer_, sizeof(unsigned char), min(data_bytes, CHUNK_OF_SAMPLES * bytes_per_wide_sample), infile);
961 if(bytes_read == 0) {
963 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
964 return EncoderSession_finish_error(&encoder_session);
966 else if(feof(infile)) {
967 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);
972 if(bytes_read % bytes_per_wide_sample != 0) {
973 flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
974 return EncoderSession_finish_error(&encoder_session);
977 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
978 if(!format_input(input_, wide_samples, /*is_big_endian=*/false, is_unsigned_samples, channels, bps, shift, channel_map))
979 return EncoderSession_finish_error(&encoder_session);
981 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
982 print_error_with_state(&encoder_session, "ERROR during encoding");
983 return EncoderSession_finish_error(&encoder_session);
985 data_bytes -= bytes_read;
991 FLAC__ASSERT(!options.common.sector_align);
992 if(!fskip_ahead(infile, trim * bytes_per_wide_sample)) {
993 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
994 return EncoderSession_finish_error(&encoder_session);
999 * now read unaligned samples into reservoir or pad with zeroes if necessary
1001 if(options.common.sector_align) {
1002 if(options.common.is_last_file) {
1003 unsigned wide_samples = 588 - align_remainder;
1004 if(wide_samples < 588) {
1007 info_align_zero = wide_samples;
1008 for(channel = 0; channel < channels; channel++)
1009 memset(input_[channel], 0, sizeof(input_[0][0]) * wide_samples);
1011 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1012 print_error_with_state(&encoder_session, "ERROR during encoding");
1013 return EncoderSession_finish_error(&encoder_session);
1018 if(*options.common.align_reservoir_samples > 0) {
1019 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
1020 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
1021 if(bytes_read == 0 && ferror(infile)) {
1022 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1023 return EncoderSession_finish_error(&encoder_session);
1025 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
1026 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);
1029 info_align_carry = *options.common.align_reservoir_samples;
1030 if(!format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, /*is_big_endian=*/false, is_unsigned_samples, channels, bps, shift, channel_map))
1031 return EncoderSession_finish_error(&encoder_session);
1040 if(fread(&tmp, 1U, 1U, infile) < 1U) {
1041 flac__utils_printf(stderr, 1, "%s: ERROR during read of data pad byte\n", encoder_session.inbasefilename);
1042 return EncoderSession_finish_error(&encoder_session);
1046 got_data_chunk = true;
1049 if(xx == 0x20746d66 && got_fmt_chunk) { /* "fmt " */
1050 flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'fmt ' sub-chunk\n", encoder_session.inbasefilename);
1052 else if(xx == 0x61746164) { /* "data" */
1053 if(got_data_chunk) {
1054 flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'data' sub-chunk\n", encoder_session.inbasefilename);
1056 else if(!got_fmt_chunk) {
1057 flac__utils_printf(stderr, 1, "%s: ERROR: got 'data' sub-chunk before 'fmt' sub-chunk\n", encoder_session.inbasefilename);
1058 return EncoderSession_finish_error(&encoder_session);
1065 flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown sub-chunk '%c%c%c%c'\n", encoder_session.inbasefilename, (char)(xx&255), (char)((xx>>8)&255), (char)((xx>>16)&255), (char)(xx>>24));
1067 /* sub-chunk size */
1068 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
1069 return EncoderSession_finish_error(&encoder_session);
1071 unsigned long skip = xx+(xx & 1U);
1073 FLAC__ASSERT(skip<=LONG_MAX);
1074 if(!fskip_ahead(infile, skip)) {
1075 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping unsupported sub-chunk\n", encoder_session.inbasefilename);
1076 return EncoderSession_finish_error(&encoder_session);
1082 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
1085 int flac__encode_raw(FILE *infile, off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, raw_encode_options_t options)
1087 EncoderSession encoder_session;
1089 const size_t bytes_per_wide_sample = options.channels * (options.bps >> 3);
1090 unsigned align_remainder = 0;
1091 int info_align_carry = -1, info_align_zero = -1;
1092 FLAC__uint64 total_samples_in_input = 0;
1094 FLAC__ASSERT(!options.common.sector_align || options.channels == 2);
1095 FLAC__ASSERT(!options.common.sector_align || options.bps == 16);
1096 FLAC__ASSERT(!options.common.sector_align || options.sample_rate == 44100);
1097 FLAC__ASSERT(!options.common.sector_align || infilesize >= 0);
1098 FLAC__ASSERT(!options.common.replay_gain || options.channels <= 2);
1099 FLAC__ASSERT(!options.common.replay_gain || grabbag__replaygain_is_valid_sample_frequency(options.sample_rate));
1102 EncoderSession_construct(
1104 #ifdef FLAC__HAS_OGG
1105 options.common.use_ogg,
1109 options.common.verify,
1118 * now that we know the sample rate, canonicalize the
1119 * --skip string to a number of samples:
1121 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, options.sample_rate);
1122 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
1123 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
1124 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
1127 total_samples_in_input = 0;
1129 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
1130 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
1131 total_samples_in_input = (FLAC__uint64)infilesize / bytes_per_wide_sample + *options.common.align_reservoir_samples;
1135 * now that we know the input size, canonicalize the
1136 * --until strings to a number of samples:
1138 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, options.sample_rate, encoder_session.skip, total_samples_in_input))
1139 return EncoderSession_finish_error(&encoder_session);
1140 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
1141 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
1143 infilesize -= (off_t)encoder_session.skip * bytes_per_wide_sample;
1144 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
1145 if(encoder_session.until > 0) {
1146 const FLAC__uint64 trim = total_samples_in_input - encoder_session.until;
1147 FLAC__ASSERT(total_samples_in_input > 0);
1148 FLAC__ASSERT(!options.common.sector_align);
1149 infilesize -= (off_t)trim * bytes_per_wide_sample;
1150 encoder_session.total_samples_to_encode -= trim;
1152 if(infilesize >= 0 && options.common.sector_align) {
1153 FLAC__ASSERT(encoder_session.skip == 0);
1154 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
1155 if(options.common.is_last_file)
1156 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
1158 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
1160 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
1162 if(encoder_session.total_samples_to_encode <= 0)
1163 flac__utils_printf(stderr, 2, "(No runtime statistics possible; please wait for encoding to finish...)\n");
1165 if(encoder_session.skip > 0) {
1166 unsigned skip_bytes = bytes_per_wide_sample * (unsigned)encoder_session.skip;
1167 if(skip_bytes > lookahead_length) {
1168 skip_bytes -= lookahead_length;
1169 lookahead_length = 0;
1170 if(!fskip_ahead(infile, skip_bytes)) {
1171 flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
1172 return EncoderSession_finish_error(&encoder_session);
1176 lookahead += skip_bytes;
1177 lookahead_length -= skip_bytes;
1181 if(!EncoderSession_init_encoder(&encoder_session, options.common, /*channel_mask=*/0, options.channels, options.bps, options.sample_rate, /*flac_decoder_data=*/0))
1182 return EncoderSession_finish_error(&encoder_session);
1185 * first do any samples in the reservoir
1187 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
1188 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
1189 print_error_with_state(&encoder_session, "ERROR during encoding");
1190 return EncoderSession_finish_error(&encoder_session);
1195 * decrement infilesize if we need to align the file
1197 if(options.common.sector_align) {
1198 FLAC__ASSERT(infilesize >= 0);
1199 if(options.common.is_last_file) {
1200 *options.common.align_reservoir_samples = 0;
1203 *options.common.align_reservoir_samples = align_remainder;
1204 infilesize -= (off_t)((*options.common.align_reservoir_samples) * bytes_per_wide_sample);
1205 FLAC__ASSERT(infilesize >= 0);
1210 * now do from the file
1212 if(infilesize < 0) {
1213 while(!feof(infile)) {
1214 if(lookahead_length > 0) {
1215 FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1216 memcpy(ucbuffer_, lookahead, lookahead_length);
1217 bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample - lookahead_length, infile) + lookahead_length;
1218 if(ferror(infile)) {
1219 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1220 return EncoderSession_finish_error(&encoder_session);
1222 lookahead_length = 0;
1225 bytes_read = fread(ucbuffer_, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
1227 if(bytes_read == 0) {
1228 if(ferror(infile)) {
1229 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1230 return EncoderSession_finish_error(&encoder_session);
1233 else if(bytes_read % bytes_per_wide_sample != 0) {
1234 flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1235 return EncoderSession_finish_error(&encoder_session);
1238 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1239 if(!format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps, /*shift=*/0, /*channel_map=*/0))
1240 return EncoderSession_finish_error(&encoder_session);
1242 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1243 print_error_with_state(&encoder_session, "ERROR during encoding");
1244 return EncoderSession_finish_error(&encoder_session);
1250 const FLAC__uint64 max_input_bytes = infilesize;
1251 FLAC__uint64 total_input_bytes_read = 0;
1252 while(total_input_bytes_read < max_input_bytes) {
1254 size_t wanted = (CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1255 wanted = (size_t) min((FLAC__uint64)wanted, max_input_bytes - total_input_bytes_read);
1257 if(lookahead_length > 0) {
1258 FLAC__ASSERT(lookahead_length <= wanted);
1259 memcpy(ucbuffer_, lookahead, lookahead_length);
1260 wanted -= lookahead_length;
1261 bytes_read = lookahead_length;
1263 bytes_read += fread(ucbuffer_+lookahead_length, sizeof(unsigned char), wanted, infile);
1264 if(ferror(infile)) {
1265 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1266 return EncoderSession_finish_error(&encoder_session);
1269 lookahead_length = 0;
1272 bytes_read = fread(ucbuffer_, sizeof(unsigned char), wanted, infile);
1275 if(bytes_read == 0) {
1276 if(ferror(infile)) {
1277 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1278 return EncoderSession_finish_error(&encoder_session);
1280 else if(feof(infile)) {
1281 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);
1282 total_input_bytes_read = max_input_bytes;
1286 if(bytes_read % bytes_per_wide_sample != 0) {
1287 flac__utils_printf(stderr, 1, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1288 return EncoderSession_finish_error(&encoder_session);
1291 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1292 if(!format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps, /*shift=*/0, /*channel_map=*/0))
1293 return EncoderSession_finish_error(&encoder_session);
1295 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1296 print_error_with_state(&encoder_session, "ERROR during encoding");
1297 return EncoderSession_finish_error(&encoder_session);
1299 total_input_bytes_read += bytes_read;
1306 * now read unaligned samples into reservoir or pad with zeroes if necessary
1308 if(options.common.sector_align) {
1309 if(options.common.is_last_file) {
1310 unsigned wide_samples = 588 - align_remainder;
1311 if(wide_samples < 588) {
1314 info_align_zero = wide_samples;
1315 for(channel = 0; channel < options.channels; channel++)
1316 memset(input_[channel], 0, sizeof(input_[0][0]) * wide_samples);
1318 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1319 print_error_with_state(&encoder_session, "ERROR during encoding");
1320 return EncoderSession_finish_error(&encoder_session);
1325 if(*options.common.align_reservoir_samples > 0) {
1326 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
1327 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
1328 if(bytes_read == 0 && ferror(infile)) {
1329 flac__utils_printf(stderr, 1, "%s: ERROR during read\n", encoder_session.inbasefilename);
1330 return EncoderSession_finish_error(&encoder_session);
1332 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
1333 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);
1336 info_align_carry = *options.common.align_reservoir_samples;
1337 if(!format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps, /*shift=*/0, /*channel_map=*/0))
1338 return EncoderSession_finish_error(&encoder_session);
1344 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
1347 int flac__encode_flac(FILE *infile, off_t infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, flac_encode_options_t options, FLAC__bool input_is_ogg)
1349 EncoderSession encoder_session;
1350 FLAC__StreamDecoder *decoder = 0;
1351 FLACDecoderData decoder_data;
1356 EncoderSession_construct(
1358 #ifdef FLAC__HAS_OGG
1359 options.common.use_ogg,
1363 options.common.verify,
1371 decoder_data.encoder_session = &encoder_session;
1372 decoder_data.filesize = (infilesize == (off_t)(-1)? 0 : infilesize);
1373 decoder_data.lookahead = lookahead;
1374 decoder_data.lookahead_length = lookahead_length;
1375 decoder_data.num_metadata_blocks = 0;
1376 decoder_data.samples_left_to_process = 0;
1377 decoder_data.fatal_error = false;
1380 * set up FLAC decoder for the input
1382 if (0 == (decoder = FLAC__stream_decoder_new())) {
1383 flac__utils_printf(stderr, 1, "%s: ERROR: creating decoder for FLAC input\n", encoder_session.inbasefilename);
1384 return EncoderSession_finish_error(&encoder_session);
1387 FLAC__stream_decoder_set_md5_checking(decoder, false) &&
1388 FLAC__stream_decoder_set_metadata_respond_all(decoder)
1390 flac__utils_printf(stderr, 1, "%s: ERROR: setting up decoder for FLAC input\n", encoder_session.inbasefilename);
1391 goto fubar1; /*@@@ yuck */
1395 if (FLAC__stream_decoder_init_ogg_stream(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=*/&decoder_data) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
1396 flac__utils_printf(stderr, 1, "%s: ERROR: initializing decoder for Ogg FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(decoder));
1397 goto fubar1; /*@@@ yuck */
1400 else if (FLAC__stream_decoder_init_stream(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=*/&decoder_data) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
1401 flac__utils_printf(stderr, 1, "%s: ERROR: initializing decoder for FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(decoder));
1402 goto fubar1; /*@@@ yuck */
1405 if (!FLAC__stream_decoder_process_until_end_of_metadata(decoder) || decoder_data.fatal_error) {
1406 if (decoder_data.fatal_error)
1407 flac__utils_printf(stderr, 1, "%s: ERROR: out of memory or too many metadata blocks while reading metadata in FLAC input\n", encoder_session.inbasefilename);
1409 flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(decoder));
1410 goto fubar1; /*@@@ yuck */
1413 if (decoder_data.num_metadata_blocks == 0) {
1414 flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, got no metadata blocks\n", encoder_session.inbasefilename);
1415 goto fubar2; /*@@@ yuck */
1417 else if (decoder_data.metadata_blocks[0]->type != FLAC__METADATA_TYPE_STREAMINFO) {
1418 flac__utils_printf(stderr, 1, "%s: ERROR: reading metadata in FLAC input, first metadata block is not STREAMINFO\n", encoder_session.inbasefilename);
1419 goto fubar2; /*@@@ yuck */
1421 else if (decoder_data.metadata_blocks[0]->data.stream_info.total_samples == 0) {
1422 flac__utils_printf(stderr, 1, "%s: ERROR: FLAC input has STREAMINFO with unknown total samples which is not supported\n", encoder_session.inbasefilename);
1423 goto fubar2; /*@@@ yuck */
1427 * now that we have the STREAMINFO and know the sample rate,
1428 * canonicalize the --skip string to a number of samples:
1430 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, decoder_data.metadata_blocks[0]->data.stream_info.sample_rate);
1431 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
1432 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
1433 FLAC__ASSERT(!options.common.sector_align); /* --sector-align with FLAC input is not supported */
1436 FLAC__uint64 total_samples_in_input, trim = 0;
1438 total_samples_in_input = decoder_data.metadata_blocks[0]->data.stream_info.total_samples;
1441 * now that we know the input size, canonicalize the
1442 * --until string to an absolute sample number:
1444 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, decoder_data.metadata_blocks[0]->data.stream_info.sample_rate, encoder_session.skip, total_samples_in_input))
1445 goto fubar2; /*@@@ yuck */
1446 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
1448 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
1449 if(encoder_session.until > 0) {
1450 trim = total_samples_in_input - encoder_session.until;
1451 FLAC__ASSERT(total_samples_in_input > 0);
1452 encoder_session.total_samples_to_encode -= trim;
1455 encoder_session.unencoded_size = decoder_data.filesize;
1457 /* (channel mask will get copied over from the source VORBIS_COMMENT if it exists) */
1458 if(!EncoderSession_init_encoder(&encoder_session, options.common, /*channel_mask=*/0, decoder_data.metadata_blocks[0]->data.stream_info.channels, decoder_data.metadata_blocks[0]->data.stream_info.bits_per_sample, decoder_data.metadata_blocks[0]->data.stream_info.sample_rate, &decoder_data))
1459 return EncoderSession_finish_error(&encoder_session);
1462 * have to wait until the FLAC encoder is set up for writing
1463 * before any seeking in the input FLAC file, because the seek
1464 * itself will usually call the decoder's write callback, and
1465 * our decoder's write callback passes samples to our FLAC
1468 decoder_data.samples_left_to_process = encoder_session.total_samples_to_encode;
1469 if(encoder_session.skip > 0) {
1470 if(!FLAC__stream_decoder_seek_absolute(decoder, encoder_session.skip)) {
1471 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(decoder));
1472 goto fubar2; /*@@@ yuck */
1477 * now do samples from the file
1479 while(!decoder_data.fatal_error && decoder_data.samples_left_to_process > 0) {
1480 if(!FLAC__stream_decoder_process_single(decoder)) {
1481 flac__utils_printf(stderr, 1, "%s: ERROR: while decoding FLAC input, state = %s\n", encoder_session.inbasefilename, FLAC__stream_decoder_get_resolved_state_string(decoder));
1482 goto fubar2; /*@@@ yuck */
1487 FLAC__stream_decoder_delete(decoder);
1488 retval = EncoderSession_finish_ok(&encoder_session, -1, -1);
1489 /* have to wail until encoder is completely finished before deleting because of the final step of writing the seekpoint offsets */
1490 for(i = 0; i < decoder_data.num_metadata_blocks; i++)
1491 free(decoder_data.metadata_blocks[i]);
1495 for(i = 0; i < decoder_data.num_metadata_blocks; i++)
1496 free(decoder_data.metadata_blocks[i]);
1498 FLAC__stream_decoder_delete(decoder);
1499 return EncoderSession_finish_error(&encoder_session);
1502 FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FILE *infile, const char *infilename, const char *outfilename)
1505 FLAC__uint32 test = 1;
1508 * initialize globals
1511 is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
1513 for(i = 0; i < FLAC__MAX_CHANNELS; i++)
1514 input_[i] = &(in_[i][0]);
1518 * initialize instance
1521 #ifdef FLAC__HAS_OGG
1522 e->use_ogg = use_ogg;
1528 e->is_stdout = (0 == strcmp(outfilename, "-"));
1529 e->outputfile_opened = false;
1531 e->inbasefilename = grabbag__file_get_basename(infilename);
1532 e->outfilename = outfilename;
1534 e->skip = 0; /* filled in later after the sample_rate is known */
1535 e->unencoded_size = 0;
1536 e->total_samples_to_encode = 0;
1537 e->bytes_written = 0;
1538 e->samples_written = 0;
1544 e->seek_table_template = 0;
1546 if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) {
1547 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1551 e->encoder = FLAC__stream_encoder_new();
1552 if(0 == e->encoder) {
1553 flac__utils_printf(stderr, 1, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1554 EncoderSession_destroy(e);
1561 void EncoderSession_destroy(EncoderSession *e)
1566 if(0 != e->encoder) {
1567 FLAC__stream_encoder_delete(e->encoder);
1571 if(0 != e->seek_table_template) {
1572 FLAC__metadata_object_delete(e->seek_table_template);
1573 e->seek_table_template = 0;
1577 int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero)
1579 FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK;
1583 fse_state = FLAC__stream_encoder_get_state(e->encoder);
1584 FLAC__stream_encoder_finish(e->encoder);
1587 if(e->total_samples_to_encode > 0) {
1589 flac__utils_printf(stderr, 2, "\n");
1592 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) {
1593 print_verify_error(e);
1597 if(info_align_carry >= 0) {
1598 flac__utils_printf(stderr, 1, "%s: INFO: sector alignment causing %d samples to be carried over\n", e->inbasefilename, info_align_carry);
1600 if(info_align_zero >= 0) {
1601 flac__utils_printf(stderr, 1, "%s: INFO: sector alignment causing %d zero samples to be appended\n", e->inbasefilename, info_align_zero);
1605 EncoderSession_destroy(e);
1610 int EncoderSession_finish_error(EncoderSession *e)
1612 FLAC__ASSERT(e->encoder);
1614 if(e->total_samples_to_encode > 0)
1615 flac__utils_printf(stderr, 2, "\n");
1617 if(FLAC__stream_encoder_get_state(e->encoder) == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
1618 print_verify_error(e);
1619 else if(e->outputfile_opened)
1620 /* only want to delete the file if we opened it; otherwise it could be an existing file and our overwrite failed */
1621 unlink(e->outfilename);
1623 EncoderSession_destroy(e);
1628 FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, FLAC__uint32 channel_mask, unsigned channels, unsigned bps, unsigned sample_rate, FLACDecoderData *flac_decoder_data)
1630 unsigned num_metadata, i;
1631 FLAC__StreamMetadata padding, *cuesheet = 0;
1632 FLAC__StreamMetadata *static_metadata[4+64]; /* MAGIC +64 is for pictures metadata in options.pictures */
1633 FLAC__StreamMetadata **metadata = static_metadata;
1634 FLAC__StreamEncoderInitStatus init_status;
1635 const FLAC__bool is_cdda = (channels == 1 || channels == 2) && (bps == 16) && (sample_rate == 44100);
1636 char apodizations[2000];
1638 FLAC__ASSERT(sizeof(options.pictures)/sizeof(options.pictures[0]) <= 64);
1640 e->replay_gain = options.replay_gain;
1641 e->channels = channels;
1642 e->bits_per_sample = bps;
1643 e->sample_rate = sample_rate;
1645 apodizations[0] = '\0';
1647 if(e->replay_gain) {
1648 if(channels != 1 && channels != 2) {
1649 flac__utils_printf(stderr, 1, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gain\n", e->inbasefilename, channels);
1652 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
1653 flac__utils_printf(stderr, 1, "%s: ERROR, invalid sample rate (%u) for --replay-gain\n", e->inbasefilename, sample_rate);
1656 if(options.is_first_file) {
1657 if(!grabbag__replaygain_init(sample_rate)) {
1658 flac__utils_printf(stderr, 1, "%s: ERROR initializing ReplayGain stage\n", e->inbasefilename);
1664 if(!parse_cuesheet(&cuesheet, options.cuesheet_filename, e->inbasefilename, is_cdda, e->total_samples_to_encode))
1667 if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? cuesheet : 0, e)) {
1668 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1670 FLAC__metadata_object_delete(cuesheet);
1674 if(flac_decoder_data) {
1676 * we're encoding from FLAC so we will use the FLAC file's
1677 * metadata as the basic for the encoded file
1681 * first handle padding: if --no-padding was specified,
1682 * then delete all padding; else if -P was specified,
1683 * use that instead of existing padding (if any); else
1684 * if existing file has padding, move all existing
1685 * padding blocks to one padding block at the end; else
1686 * use default padding.
1690 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1691 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_PADDING) {
1694 p += flac_decoder_data->metadata_blocks[i]->length;
1695 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1696 flac_decoder_data->metadata_blocks[i] = 0;
1699 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1701 flac_decoder_data->num_metadata_blocks = j;
1702 if(options.padding > 0)
1703 p = options.padding;
1705 p = e->total_samples_to_encode / e->sample_rate < 20*60? FLAC_ENCODE__DEFAULT_PADDING : FLAC_ENCODE__DEFAULT_PADDING*8;
1706 if(options.padding != 0) {
1707 if(p > 0 && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) {
1708 flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks] = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
1709 if(0 == flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]) {
1710 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for PADDING block\n", e->inbasefilename);
1712 FLAC__metadata_object_delete(cuesheet);
1715 flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]->is_last = false; /* the encoder will set this for us */
1716 flac_decoder_data->metadata_blocks[flac_decoder_data->num_metadata_blocks]->length = p;
1717 flac_decoder_data->num_metadata_blocks++;
1723 * next handle vorbis comment: if any tags were specified
1724 * or there is no existing vorbis comment, we create a
1725 * new vorbis comment (discarding any existing one); else
1726 * we keep the existing one. also need to make sure to
1727 * propagate any channel mask tag.
1730 FLAC__bool vc_found = false;
1731 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1732 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT)
1734 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_VORBIS_COMMENT && options.vorbis_comment->data.vorbis_comment.num_comments > 0) {
1735 (void) flac__utils_get_channel_mask_tag(flac_decoder_data->metadata_blocks[i], &channel_mask);
1736 flac__utils_printf(stderr, 1, "%s: WARNING, replacing tags from input FLAC file with those given on the command-line\n", e->inbasefilename);
1737 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1738 flac_decoder_data->metadata_blocks[i] = 0;
1741 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1743 flac_decoder_data->num_metadata_blocks = j;
1744 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])) {
1746 FLAC__StreamMetadata *vc = FLAC__metadata_object_clone(options.vorbis_comment);
1747 if(0 == vc || (channel_mask && !flac__utils_set_channel_mask_tag(vc, channel_mask))) {
1748 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for VORBIS_COMMENT block\n", e->inbasefilename);
1750 FLAC__metadata_object_delete(cuesheet);
1753 for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--)
1754 flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1];
1755 flac_decoder_data->metadata_blocks[1] = vc;
1756 flac_decoder_data->num_metadata_blocks++;
1761 * next handle cuesheet: if --cuesheet was specified, use
1762 * it; else if file has existing CUESHEET and cuesheet's
1763 * lead-out offset is correct, keep it; else no CUESHEET
1766 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1767 FLAC__bool existing_cuesheet_is_bad = false;
1768 /* check if existing cuesheet matches the input audio */
1769 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_CUESHEET && 0 == cuesheet) {
1770 const FLAC__StreamMetadata_CueSheet *cs = &flac_decoder_data->metadata_blocks[i]->data.cue_sheet;
1771 if(e->total_samples_to_encode == 0) {
1772 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);
1773 existing_cuesheet_is_bad = true;
1775 else if(e->total_samples_to_encode != cs->tracks[cs->num_tracks-1].offset) {
1776 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);
1777 existing_cuesheet_is_bad = true;
1780 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_CUESHEET && (existing_cuesheet_is_bad || 0 != cuesheet)) {
1782 flac__utils_printf(stderr, 1, "%s: WARNING, replacing cuesheet in input FLAC file with the one given on the command-line\n", e->inbasefilename);
1783 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1784 flac_decoder_data->metadata_blocks[i] = 0;
1787 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1789 flac_decoder_data->num_metadata_blocks = j;
1790 if(0 != cuesheet && flac_decoder_data->num_metadata_blocks < sizeof(flac_decoder_data->metadata_blocks)/sizeof(flac_decoder_data->metadata_blocks[0])) {
1792 FLAC__StreamMetadata *cs = FLAC__metadata_object_clone(cuesheet);
1794 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for CUESHEET block\n", e->inbasefilename);
1796 FLAC__metadata_object_delete(cuesheet);
1799 for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--)
1800 flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1];
1801 flac_decoder_data->metadata_blocks[1] = cs;
1802 flac_decoder_data->num_metadata_blocks++;
1807 * finally handle seektable: if -S- was specified, no
1808 * SEEKTABLE; else if -S was specified, use it/them;
1809 * else if file has existing SEEKTABLE and input size is
1810 * preserved (no --skip/--until/etc specified), keep it;
1811 * else use default seektable options
1813 * note: meanings of num_requested_seek_points:
1814 * -1 : no -S option given, default to some value
1815 * 0 : -S- given (no seektable)
1816 * >0 : one or more -S options given
1819 FLAC__bool existing_seektable = false;
1820 for(i = 0, j = 0; i < flac_decoder_data->num_metadata_blocks; i++) {
1821 if(flac_decoder_data->metadata_blocks[i]->type == FLAC__METADATA_TYPE_SEEKTABLE)
1822 existing_seektable = true;
1823 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)) {
1824 if(options.num_requested_seek_points > 0)
1825 flac__utils_printf(stderr, 1, "%s: WARNING, replacing seektable in input FLAC file with the one given on the command-line\n", e->inbasefilename);
1826 else if(options.num_requested_seek_points == 0)
1827 ; /* no warning, silently delete existing SEEKTABLE since user specified --no-seektable (-S-) */
1829 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);
1830 FLAC__metadata_object_delete(flac_decoder_data->metadata_blocks[i]);
1831 flac_decoder_data->metadata_blocks[i] = 0;
1832 existing_seektable = false;
1835 flac_decoder_data->metadata_blocks[j++] = flac_decoder_data->metadata_blocks[i];
1837 flac_decoder_data->num_metadata_blocks = j;
1838 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])) {
1840 FLAC__StreamMetadata *st = FLAC__metadata_object_clone(e->seek_table_template);
1842 flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for SEEKTABLE block\n", e->inbasefilename);
1844 FLAC__metadata_object_delete(cuesheet);
1847 for(i = flac_decoder_data->num_metadata_blocks; i > 1; i--)
1848 flac_decoder_data->metadata_blocks[i] = flac_decoder_data->metadata_blocks[i-1];
1849 flac_decoder_data->metadata_blocks[1] = st;
1850 flac_decoder_data->num_metadata_blocks++;
1853 metadata = &flac_decoder_data->metadata_blocks[1]; /* don't include STREAMINFO */
1854 num_metadata = flac_decoder_data->num_metadata_blocks - 1;
1858 * we're not encoding from FLAC so we will build the metadata
1862 if(e->seek_table_template->data.seek_table.num_points > 0) {
1863 e->seek_table_template->is_last = false; /* the encoder will set this for us */
1864 metadata[num_metadata++] = e->seek_table_template;
1867 metadata[num_metadata++] = cuesheet;
1869 if(!flac__utils_set_channel_mask_tag(options.vorbis_comment, channel_mask)) {
1870 flac__utils_printf(stderr, 1, "%s: ERROR adding channel mask tag\n", e->inbasefilename);
1872 FLAC__metadata_object_delete(cuesheet);
1876 metadata[num_metadata++] = options.vorbis_comment;
1877 for(i = 0; i < options.num_pictures; i++)
1878 metadata[num_metadata++] = options.pictures[i];
1879 if(options.padding != 0) {
1880 padding.is_last = false; /* the encoder will set this for us */
1881 padding.type = FLAC__METADATA_TYPE_PADDING;
1882 padding.length = (unsigned)(options.padding>0? options.padding : (e->total_samples_to_encode / e->sample_rate < 20*60? FLAC_ENCODE__DEFAULT_PADDING : FLAC_ENCODE__DEFAULT_PADDING*8));
1883 metadata[num_metadata++] = &padding;
1887 /* check for a few things that have not already been checked. the
1888 * FLAC__stream_encoder_init*() will check it but only return
1889 * FLAC__STREAM_ENCODER_INIT_STATUS_INVALID_METADATA so we check some
1890 * up front to give a better error message.
1892 if(!verify_metadata(e, metadata, num_metadata)) {
1894 FLAC__metadata_object_delete(cuesheet);
1898 FLAC__stream_encoder_set_verify(e->encoder, options.verify);
1899 FLAC__stream_encoder_set_streamable_subset(e->encoder, !options.lax);
1900 FLAC__stream_encoder_set_channels(e->encoder, channels);
1901 FLAC__stream_encoder_set_bits_per_sample(e->encoder, bps);
1902 FLAC__stream_encoder_set_sample_rate(e->encoder, sample_rate);
1903 for(i = 0; i < options.num_compression_settings; i++) {
1904 switch(options.compression_settings[i].type) {
1906 FLAC__stream_encoder_set_blocksize(e->encoder, options.compression_settings[i].value.t_unsigned);
1908 case CST_COMPRESSION_LEVEL:
1909 FLAC__stream_encoder_set_compression_level(e->encoder, options.compression_settings[i].value.t_unsigned);
1910 apodizations[0] = '\0';
1912 case CST_DO_MID_SIDE:
1913 FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder, options.compression_settings[i].value.t_bool);
1915 case CST_LOOSE_MID_SIDE:
1916 FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder, options.compression_settings[i].value.t_bool);
1918 case CST_APODIZATION:
1919 if(strlen(apodizations)+strlen(options.compression_settings[i].value.t_string)+2 >= sizeof(apodizations)) {
1920 flac__utils_printf(stderr, 1, "%s: ERROR: too many apodization functions requested\n", e->inbasefilename);
1922 FLAC__metadata_object_delete(cuesheet);
1926 strcat(apodizations, options.compression_settings[i].value.t_string);
1927 strcat(apodizations, ";");
1930 case CST_MAX_LPC_ORDER:
1931 FLAC__stream_encoder_set_max_lpc_order(e->encoder, options.compression_settings[i].value.t_unsigned);
1933 case CST_QLP_COEFF_PRECISION:
1934 FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder, options.compression_settings[i].value.t_unsigned);
1936 case CST_DO_QLP_COEFF_PREC_SEARCH:
1937 FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder, options.compression_settings[i].value.t_bool);
1939 case CST_DO_ESCAPE_CODING:
1940 FLAC__stream_encoder_set_do_escape_coding(e->encoder, options.compression_settings[i].value.t_bool);
1942 case CST_DO_EXHAUSTIVE_MODEL_SEARCH:
1943 FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder, options.compression_settings[i].value.t_bool);
1945 case CST_MIN_RESIDUAL_PARTITION_ORDER:
1946 FLAC__stream_encoder_set_min_residual_partition_order(e->encoder, options.compression_settings[i].value.t_unsigned);
1948 case CST_MAX_RESIDUAL_PARTITION_ORDER:
1949 FLAC__stream_encoder_set_max_residual_partition_order(e->encoder, options.compression_settings[i].value.t_unsigned);
1951 case CST_RICE_PARAMETER_SEARCH_DIST:
1952 FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder, options.compression_settings[i].value.t_unsigned);
1957 FLAC__stream_encoder_set_apodization(e->encoder, apodizations);
1958 FLAC__stream_encoder_set_total_samples_estimate(e->encoder, e->total_samples_to_encode);
1959 FLAC__stream_encoder_set_metadata(e->encoder, (num_metadata > 0)? metadata : 0, num_metadata);
1961 FLAC__stream_encoder_disable_constant_subframes(e->encoder, options.debug.disable_constant_subframes);
1962 FLAC__stream_encoder_disable_fixed_subframes(e->encoder, options.debug.disable_fixed_subframes);
1963 FLAC__stream_encoder_disable_verbatim_subframes(e->encoder, options.debug.disable_verbatim_subframes);
1965 #ifdef FLAC__HAS_OGG
1967 FLAC__stream_encoder_set_ogg_serial_number(e->encoder, options.serial_number);
1969 init_status = FLAC__stream_encoder_init_ogg_file(e->encoder, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e);
1974 init_status = FLAC__stream_encoder_init_file(e->encoder, e->is_stdout? 0 : e->outfilename, encoder_progress_callback, /*client_data=*/e);
1977 if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK) {
1978 print_error_with_init_status(e, "ERROR initializing encoder", init_status);
1979 if(FLAC__stream_encoder_get_state(e->encoder) != FLAC__STREAM_ENCODER_IO_ERROR)
1980 e->outputfile_opened = true;
1982 FLAC__metadata_object_delete(cuesheet);
1986 e->outputfile_opened = true;
1988 e->stats_mask = (FLAC__stream_encoder_get_do_exhaustive_model_search(e->encoder) || FLAC__stream_encoder_get_do_qlp_coeff_prec_search(e->encoder))? 0x0f : 0x3f;
1991 FLAC__metadata_object_delete(cuesheet);
1996 FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples)
1998 if(e->replay_gain) {
1999 if(!grabbag__replaygain_analyze(buffer, e->channels==2, e->bits_per_sample, samples)) {
2000 flac__utils_printf(stderr, 1, "%s: WARNING, error while calculating ReplayGain\n", e->inbasefilename);
2004 return FLAC__stream_encoder_process(e->encoder, buffer, samples);
2007 FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e)
2009 const FLAC__bool only_placeholders = e->is_stdout;
2010 FLAC__bool has_real_points;
2012 if(num_requested_seek_points == 0 && 0 == cuesheet)
2015 if(num_requested_seek_points < 0) {
2016 requested_seek_points = "10s;";
2017 num_requested_seek_points = 1;
2020 if(num_requested_seek_points > 0) {
2021 if(!grabbag__seektable_convert_specification_to_template(requested_seek_points, only_placeholders, e->total_samples_to_encode, e->sample_rate, e->seek_table_template, &has_real_points))
2027 const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
2028 for(i = 0; i < cs->num_tracks; i++) {
2029 const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i;
2030 for(j = 0; j < tr->num_indices; j++) {
2031 if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset))
2033 has_real_points = true;
2037 if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true))
2041 if(has_real_points) {
2043 flac__utils_printf(stderr, 1, "%s: WARNING, cannot write back seekpoints when encoding to stdout\n", e->inbasefilename);
2050 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
2052 /* convert from mm:ss.sss to sample number if necessary */
2053 flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
2055 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
2056 if(spec->is_relative && spec->value.samples == 0) {
2057 spec->is_relative = false;
2061 /* in any other case the total samples in the input must be known */
2062 if(total_samples_in_input == 0) {
2063 flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when input length is unknown\n", inbasefilename);
2067 FLAC__ASSERT(spec->value_is_samples);
2069 /* convert relative specifications to absolute */
2070 if(spec->is_relative) {
2071 if(spec->value.samples <= 0)
2072 spec->value.samples += (FLAC__int64)total_samples_in_input;
2074 spec->value.samples += skip;
2075 spec->is_relative = false;
2079 if(spec->value.samples < 0) {
2080 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
2083 if((FLAC__uint64)spec->value.samples <= skip) {
2084 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
2087 if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
2088 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename);
2095 FLAC__bool verify_metadata(const EncoderSession *e, FLAC__StreamMetadata **metadata, unsigned num_metadata)
2097 FLAC__bool metadata_picture_has_type1 = false;
2098 FLAC__bool metadata_picture_has_type2 = false;
2101 FLAC__ASSERT(0 != metadata);
2102 for(i = 0; i < num_metadata; i++) {
2103 const FLAC__StreamMetadata *m = metadata[i];
2104 if(m->type == FLAC__METADATA_TYPE_SEEKTABLE) {
2105 if(!FLAC__format_seektable_is_legal(&m->data.seek_table)) {
2106 flac__utils_printf(stderr, 1, "%s: ERROR: SEEKTABLE metadata block is invalid\n", e->inbasefilename);
2110 else if(m->type == FLAC__METADATA_TYPE_CUESHEET) {
2111 if(!FLAC__format_cuesheet_is_legal(&m->data.cue_sheet, m->data.cue_sheet.is_cd, /*violation=*/0)) {
2112 flac__utils_printf(stderr, 1, "%s: ERROR: CUESHEET metadata block is invalid\n", e->inbasefilename);
2116 else if(m->type == FLAC__METADATA_TYPE_PICTURE) {
2117 const char *error = 0;
2118 if(!FLAC__format_picture_is_legal(&m->data.picture, &error)) {
2119 flac__utils_printf(stderr, 1, "%s: ERROR: PICTURE metadata block is invalid: %s\n", e->inbasefilename, error);
2122 if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON_STANDARD) {
2123 if(metadata_picture_has_type1) {
2124 flac__utils_printf(stderr, 1, "%s: ERROR: there may only be one picture of type 1 (32x32 icon) in the file\n", e->inbasefilename);
2127 metadata_picture_has_type1 = true;
2129 else if(m->data.picture.type == FLAC__STREAM_METADATA_PICTURE_TYPE_FILE_ICON) {
2130 if(metadata_picture_has_type2) {
2131 flac__utils_printf(stderr, 1, "%s: ERROR: there may only be one picture of type 2 (icon) in the file\n", e->inbasefilename);
2134 metadata_picture_has_type2 = true;
2142 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)
2144 unsigned wide_sample, sample, channel, byte;
2145 FLAC__int32 *out[FLAC__MAX_CHANNELS];
2147 if(0 == channel_map) {
2148 for(channel = 0; channel < channels; channel++)
2149 out[channel] = dest[channel];
2152 for(channel = 0; channel < channels; channel++)
2153 out[channel] = dest[channel_map[channel]];
2157 if(is_unsigned_samples) {
2158 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2159 for(channel = 0; channel < channels; channel++, sample++)
2160 out[channel][wide_sample] = (FLAC__int32)ucbuffer_[sample] - 0x80;
2163 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2164 for(channel = 0; channel < channels; channel++, sample++)
2165 out[channel][wide_sample] = (FLAC__int32)scbuffer_[sample];
2168 else if(bps == 16) {
2169 if(is_big_endian != is_big_endian_host_) {
2171 const unsigned bytes = wide_samples * channels * (bps >> 3);
2172 for(byte = 0; byte < bytes; byte += 2) {
2173 tmp = ucbuffer_[byte];
2174 ucbuffer_[byte] = ucbuffer_[byte+1];
2175 ucbuffer_[byte+1] = tmp;
2178 if(is_unsigned_samples) {
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)usbuffer_[sample] - 0x8000;
2184 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2185 for(channel = 0; channel < channels; channel++, sample++)
2186 out[channel][wide_sample] = (FLAC__int32)ssbuffer_[sample];
2189 else if(bps == 24) {
2190 if(!is_big_endian) {
2192 const unsigned bytes = wide_samples * channels * (bps >> 3);
2193 for(byte = 0; byte < bytes; byte += 3) {
2194 tmp = ucbuffer_[byte];
2195 ucbuffer_[byte] = ucbuffer_[byte+2];
2196 ucbuffer_[byte+2] = tmp;
2199 if(is_unsigned_samples) {
2200 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2201 for(channel = 0; channel < channels; channel++, sample++) {
2202 out[channel][wide_sample] = ucbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2203 out[channel][wide_sample] |= ucbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2204 out[channel][wide_sample] |= ucbuffer_[byte++];
2205 out[channel][wide_sample] -= 0x800000;
2209 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2210 for(channel = 0; channel < channels; channel++, sample++) {
2211 out[channel][wide_sample] = scbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2212 out[channel][wide_sample] |= ucbuffer_[byte++]; out[channel][wide_sample] <<= 8;
2213 out[channel][wide_sample] |= ucbuffer_[byte++];
2221 FLAC__int32 mask = (1<<shift)-1;
2222 for(wide_sample = 0; wide_sample < wide_samples; wide_sample++)
2223 for(channel = 0; channel < channels; channel++) {
2224 if(out[channel][wide_sample] & mask) {
2225 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);
2228 out[channel][wide_sample] >>= shift;
2234 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)
2236 EncoderSession *encoder_session = (EncoderSession*)client_data;
2238 (void)encoder, (void)total_frames_estimate;
2240 encoder_session->bytes_written = bytes_written;
2241 encoder_session->samples_written = samples_written;
2243 if(encoder_session->total_samples_to_encode > 0 && !((frames_written-1) & encoder_session->stats_mask))
2244 print_stats(encoder_session);
2247 FLAC__StreamDecoderReadStatus flac_decoder_read_callback(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
2250 FLACDecoderData *data = (FLACDecoderData*)client_data;
2253 if (data->fatal_error)
2254 return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
2256 /* use up lookahead first */
2257 if (data->lookahead_length) {
2258 n = min(data->lookahead_length, *bytes);
2259 memcpy(buffer, data->lookahead, n);
2261 data->lookahead += n;
2262 data->lookahead_length -= n;
2265 /* get the rest from file */
2267 *bytes = n + fread(buffer, 1, *bytes-n, data->encoder_session->fin);
2268 if(ferror(data->encoder_session->fin))
2269 return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
2270 else if(0 == *bytes)
2271 return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
2273 return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
2276 return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
2279 FLAC__StreamDecoderSeekStatus flac_decoder_seek_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 absolute_byte_offset, void *client_data)
2281 FLACDecoderData *data = (FLACDecoderData*)client_data;
2284 if(fseeko(data->encoder_session->fin, (off_t)absolute_byte_offset, SEEK_SET) < 0)
2285 return FLAC__STREAM_DECODER_SEEK_STATUS_ERROR;
2287 return FLAC__STREAM_DECODER_SEEK_STATUS_OK;
2290 FLAC__StreamDecoderTellStatus flac_decoder_tell_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
2292 FLACDecoderData *data = (FLACDecoderData*)client_data;
2296 if((pos = ftello(data->encoder_session->fin)) < 0)
2297 return FLAC__STREAM_DECODER_TELL_STATUS_ERROR;
2299 *absolute_byte_offset = (FLAC__uint64)pos;
2300 return FLAC__STREAM_DECODER_TELL_STATUS_OK;
2304 FLAC__StreamDecoderLengthStatus flac_decoder_length_callback(const FLAC__StreamDecoder *decoder, FLAC__uint64 *stream_length, void *client_data)
2306 FLACDecoderData *data = (FLACDecoderData*)client_data;
2309 if(0 == data->filesize)
2310 return FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR;
2312 *stream_length = (FLAC__uint64)data->filesize;
2313 return FLAC__STREAM_DECODER_LENGTH_STATUS_OK;
2317 FLAC__bool flac_decoder_eof_callback(const FLAC__StreamDecoder *decoder, void *client_data)
2319 FLACDecoderData *data = (FLACDecoderData*)client_data;
2322 return feof(data->encoder_session->fin)? true : false;
2325 FLAC__StreamDecoderWriteStatus flac_decoder_write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
2327 FLACDecoderData *data = (FLACDecoderData*)client_data;
2328 FLAC__uint64 n = min(data->samples_left_to_process, frame->header.blocksize);
2331 if(!EncoderSession_process(data->encoder_session, buffer, (unsigned)n)) {
2332 print_error_with_state(data->encoder_session, "ERROR during encoding");
2333 data->fatal_error = true;
2334 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
2337 data->samples_left_to_process -= n;
2338 return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
2341 void flac_decoder_metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
2343 FLACDecoderData *data = (FLACDecoderData*)client_data;
2346 if (data->fatal_error)
2350 data->num_metadata_blocks == sizeof(data->metadata_blocks)/sizeof(data->metadata_blocks[0]) ||
2351 0 == (data->metadata_blocks[data->num_metadata_blocks] = FLAC__metadata_object_clone(metadata))
2353 data->fatal_error = true;
2355 data->num_metadata_blocks++;
2358 void flac_decoder_error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
2360 FLACDecoderData *data = (FLACDecoderData*)client_data;
2363 flac__utils_printf(stderr, 1, "%s: ERROR got %s while decoding FLAC input\n", data->encoder_session->inbasefilename, FLAC__StreamDecoderErrorStatusString[status]);
2364 data->fatal_error = true;
2367 FLAC__bool parse_cuesheet(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset)
2370 unsigned last_line_read;
2371 const char *error_message;
2373 if(0 == cuesheet_filename)
2376 if(lead_out_offset == 0) {
2377 flac__utils_printf(stderr, 1, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknown\n", inbasefilename);
2381 if(0 == (f = fopen(cuesheet_filename, "r"))) {
2382 flac__utils_printf(stderr, 1, "%s: ERROR opening cuesheet \"%s\" for reading: %s\n", inbasefilename, cuesheet_filename, strerror(errno));
2386 *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, is_cdda, lead_out_offset);
2390 if(0 == *cuesheet) {
2391 flac__utils_printf(stderr, 1, "%s: ERROR parsing cuesheet \"%s\" on line %u: %s\n", inbasefilename, cuesheet_filename, last_line_read, error_message);
2395 if(!FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/false, &error_message)) {
2396 flac__utils_printf(stderr, 1, "%s: ERROR parsing cuesheet \"%s\": %s\n", inbasefilename, cuesheet_filename, error_message);
2400 /* if we're expecting CDDA, warn about non-compliance */
2401 if(is_cdda && !FLAC__format_cuesheet_is_legal(&(*cuesheet)->data.cue_sheet, /*check_cd_da_subset=*/true, &error_message)) {
2402 flac__utils_printf(stderr, 1, "%s: WARNING cuesheet \"%s\" is not audio CD compliant: %s\n", inbasefilename, cuesheet_filename, error_message);
2403 (*cuesheet)->data.cue_sheet.is_cd = false;
2409 void print_stats(const EncoderSession *encoder_session)
2411 const FLAC__uint64 samples_written = min(encoder_session->total_samples_to_encode, encoder_session->samples_written);
2412 #if defined _MSC_VER || defined __MINGW32__
2413 /* with MSVC you have to spoon feed it the casting */
2414 const double progress = (double)(FLAC__int64)samples_written / (double)(FLAC__int64)encoder_session->total_samples_to_encode;
2415 const double ratio = (double)(FLAC__int64)encoder_session->bytes_written / ((double)(FLAC__int64)encoder_session->unencoded_size * min(1.0, progress));
2417 const double progress = (double)samples_written / (double)encoder_session->total_samples_to_encode;
2418 const double ratio = (double)encoder_session->bytes_written / ((double)encoder_session->unencoded_size * min(1.0, progress));
2421 if(samples_written == encoder_session->total_samples_to_encode) {
2422 flac__utils_printf(stderr, 2, "\r%s:%s wrote %u bytes, ratio=%0.3f",
2423 encoder_session->inbasefilename,
2424 encoder_session->verify? " Verify OK," : "",
2425 (unsigned)encoder_session->bytes_written,
2430 flac__utils_printf(stderr, 2, "\r%s: %u%% complete, ratio=%0.3f", encoder_session->inbasefilename, (unsigned)floor(progress * 100.0 + 0.5), ratio);
2434 void print_error_with_init_status(const EncoderSession *e, const char *message, FLAC__StreamEncoderInitStatus init_status)
2436 const int ilen = strlen(e->inbasefilename) + 1;
2437 const char *state_string = "";
2439 flac__utils_printf(stderr, 1, "\n%s: %s\n", e->inbasefilename, message);
2441 flac__utils_printf(stderr, 1, "%*s init_status = %s\n", ilen, "", FLAC__StreamEncoderInitStatusString[init_status]);
2443 if(init_status == FLAC__STREAM_ENCODER_INIT_STATUS_ENCODER_ERROR) {
2444 state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder);
2446 flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", state_string);
2448 /* print out some more info for some errors: */
2449 if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_CLIENT_ERROR])) {
2450 flac__utils_printf(stderr, 1,
2452 "An error occurred while writing; the most common cause is that the disk is full.\n"
2455 else if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_IO_ERROR])) {
2456 flac__utils_printf(stderr, 1,
2458 "An error occurred opening the output file; it is likely that the output\n"
2459 "directory does not exist or is not writable, the output file already exists and\n"
2460 "is not writable, or the disk is full.\n"
2464 else if(init_status == FLAC__STREAM_ENCODER_INIT_STATUS_NOT_STREAMABLE) {
2465 flac__utils_printf(stderr, 1,
2467 "The encoding parameters specified do not conform to the FLAC Subset and may not\n"
2468 "be streamable or playable in hardware devices. If you really understand the\n"
2469 "consequences, you can add --lax to the command-line options to encode with\n"
2470 "these parameters anyway. See http://flac.sourceforge.net/format.html#subset\n"
2475 void print_error_with_state(const EncoderSession *e, const char *message)
2477 const int ilen = strlen(e->inbasefilename) + 1;
2478 const char *state_string;
2480 flac__utils_printf(stderr, 1, "\n%s: %s\n", e->inbasefilename, message);
2482 state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder);
2484 flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", state_string);
2486 /* print out some more info for some errors: */
2487 if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_CLIENT_ERROR])) {
2488 flac__utils_printf(stderr, 1,
2490 "An error occurred while writing; the most common cause is that the disk is full.\n"
2495 void print_verify_error(EncoderSession *e)
2497 FLAC__uint64 absolute_sample;
2498 unsigned frame_number;
2501 FLAC__int32 expected;
2504 FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
2506 flac__utils_printf(stderr, 1, "%s: ERROR: mismatch in decoded data, verify FAILED!\n", e->inbasefilename);
2507 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);
2508 flac__utils_printf(stderr, 1, " In all known cases, verify errors are caused by hardware problems,\n");
2509 flac__utils_printf(stderr, 1, " usually overclocking or bad RAM. Delete %s\n", e->outfilename);
2510 flac__utils_printf(stderr, 1, " and repeat the flac command exactly as before. If it does not give a\n");
2511 flac__utils_printf(stderr, 1, " verify error in the exact same place each time you try it, then there is\n");
2512 flac__utils_printf(stderr, 1, " a problem with your hardware; please see the FAQ:\n");
2513 flac__utils_printf(stderr, 1, " http://flac.sourceforge.net/faq.html#tools__hardware_prob\n");
2514 flac__utils_printf(stderr, 1, " If it does fail in the exact same place every time, keep\n");
2515 flac__utils_printf(stderr, 1, " %s and submit a bug report to:\n", e->outfilename);
2516 flac__utils_printf(stderr, 1, " https://sourceforge.net/bugs/?func=addbug&group_id=13478\n");
2517 flac__utils_printf(stderr, 1, " Make sure to upload the FLAC file and use the \"Monitor\" feature to\n");
2518 flac__utils_printf(stderr, 1, " monitor the bug status.\n");
2519 flac__utils_printf(stderr, 1, "Verify FAILED! Do not trust %s\n", e->outfilename);
2522 FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
2524 size_t bytes_read = fread(val, 1, 2, f);
2526 if(bytes_read == 0) {
2528 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2534 else if(bytes_read < 2) {
2535 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2539 if(is_big_endian_host_) {
2540 FLAC__byte tmp, *b = (FLAC__byte*)val;
2541 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
2547 FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2549 size_t bytes_read = fread(val, 1, 4, f);
2551 if(bytes_read == 0) {
2553 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2559 else if(bytes_read < 4) {
2560 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2564 if(is_big_endian_host_) {
2565 FLAC__byte tmp, *b = (FLAC__byte*)val;
2566 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
2567 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
2573 FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
2575 unsigned char buf[4];
2576 size_t bytes_read= fread(buf, 1, 2, f);
2578 if(bytes_read==0U && eof_ok)
2580 else if(bytes_read<2U) {
2581 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2585 /* this is independent of host endianness */
2586 *val= (FLAC__uint16)(buf[0])<<8 | buf[1];
2591 FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2593 unsigned char buf[4];
2594 size_t bytes_read= fread(buf, 1, 4, f);
2596 if(bytes_read==0U && eof_ok)
2598 else if(bytes_read<4U) {
2599 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2603 /* this is independent of host endianness */
2604 *val= (FLAC__uint32)(buf[0])<<24 | (FLAC__uint32)(buf[1])<<16 |
2605 (FLAC__uint32)(buf[2])<<8 | buf[3];
2610 FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2611 /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f',
2612 * convert it into an integral value and store in 'val'. Return false if only
2613 * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f' and 'eof_ok' is
2614 * false, or if the value is negative, between zero and one, or too large to be
2615 * represented by 'val'; return true otherwise.
2619 unsigned char buf[10];
2620 size_t bytes_read= fread(buf, 1U, 10U, f);
2621 FLAC__int16 e= ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF;
2622 FLAC__int16 shift= 63-e;
2625 if(bytes_read==0U && eof_ok)
2627 else if(bytes_read<10U) {
2628 flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOF\n", fn);
2631 else if((buf[0]>>7)==1U || e<0 || e>63) {
2632 flac__utils_printf(stderr, 1, "%s: ERROR: invalid floating-point value\n", fn);
2636 for(i= 0U; i<8U; ++i)
2637 p|= (FLAC__uint64)(buf[i+2])<<(56U-i*8);
2638 *val= (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1));
2643 FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset)
2645 static unsigned char dump[8192];
2648 long need = (long)min(offset, LONG_MAX);
2649 if(fseeko(f, need, SEEK_CUR) < 0) {
2650 need = (long)min(offset, sizeof(dump));
2651 if((long)fread(dump, 1, need, f) < need)
2656 #if 0 /* pure non-fseek() version */
2658 const long need = (long)min(offset, sizeof(dump));
2659 if(fread(dump, 1, need, f) < need)
2667 unsigned count_channel_mask_bits(FLAC__uint32 mask)
2678 FLAC__uint32 limit_channel_mask(FLAC__uint32 mask, unsigned channels)
2680 FLAC__uint32 x = 0x80000000;
2681 unsigned count = count_channel_mask_bits(mask);
2682 while(x && count > channels) {
2689 FLAC__ASSERT(count_channel_mask_bits(mask) == channels);