1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004 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.
19 #if defined _WIN32 && !defined __CYGWIN__
20 /* where MSVC puts unlink() */
25 #include <limits.h> /* for LONG_MAX */
26 #include <math.h> /* for floor() */
28 #include <stdio.h> /* for FILE etc. */
29 #include <stdlib.h> /* for malloc */
30 #include <string.h> /* for strcmp() */
32 #include "share/grabbag.h"
40 #include "OggFLAC/stream_encoder.h"
41 #include "OggFLAC/file_encoder.h"
47 #define min(x,y) ((x)<(y)?(x):(y))
51 #define max(x,y) ((x)>(y)?(x):(y))
53 /* this MUST be >= 588 so that sector aligning can take place with one read */
54 #define CHUNK_OF_SAMPLES 2048
64 const char *inbasefilename;
65 const char *outfilename;
68 FLAC__uint64 until; /* a value of 0 mean end-of-stream (i.e. --until=-0) */
69 FLAC__bool replay_gain;
71 unsigned bits_per_sample;
73 FLAC__uint64 unencoded_size;
74 FLAC__uint64 total_samples_to_encode;
75 FLAC__uint64 bytes_written;
76 FLAC__uint64 samples_written;
81 * We use *.stream for encoding to stdout
82 * We use *.file for encoding to a regular file
86 FLAC__StreamEncoder *stream;
87 FLAC__FileEncoder *file;
91 OggFLAC__StreamEncoder *stream;
92 OggFLAC__FileEncoder *file;
99 FLAC__StreamMetadata *seek_table_template;
103 static FLAC__bool is_big_endian_host_;
105 static unsigned char ucbuffer_[CHUNK_OF_SAMPLES*FLAC__MAX_CHANNELS*((FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE+7)/8)];
106 static signed char *scbuffer_ = (signed char *)ucbuffer_;
107 static FLAC__uint16 *usbuffer_ = (FLAC__uint16 *)ucbuffer_;
108 static FLAC__int16 *ssbuffer_ = (FLAC__int16 *)ucbuffer_;
110 static FLAC__int32 in_[FLAC__MAX_CHANNELS][CHUNK_OF_SAMPLES];
111 static FLAC__int32 *input_[FLAC__MAX_CHANNELS];
115 * unpublished debug routines from the FLAC libs
117 extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
118 extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
119 extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
120 extern FLAC__bool FLAC__file_encoder_disable_constant_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
121 extern FLAC__bool FLAC__file_encoder_disable_fixed_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
122 extern FLAC__bool FLAC__file_encoder_disable_verbatim_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
124 extern FLAC__bool OggFLAC__stream_encoder_disable_constant_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
125 extern FLAC__bool OggFLAC__stream_encoder_disable_fixed_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
126 extern FLAC__bool OggFLAC__stream_encoder_disable_verbatim_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
127 extern FLAC__bool OggFLAC__file_encoder_disable_constant_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
128 extern FLAC__bool OggFLAC__file_encoder_disable_fixed_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
129 extern FLAC__bool OggFLAC__file_encoder_disable_verbatim_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
135 static FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FLAC__bool verbose, FLAC__bool silent, FILE *infile, const char *infilename, const char *outfilename);
136 static void EncoderSession_destroy(EncoderSession *e);
137 static int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero);
138 static int EncoderSession_finish_error(EncoderSession *e);
139 static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate);
140 static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples);
141 static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e);
142 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input, FLAC__bool silent);
143 static void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps);
145 static FLAC__StreamEncoderWriteStatus ogg_stream_encoder_write_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
146 static void ogg_stream_encoder_metadata_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
147 static void ogg_file_encoder_progress_callback(const OggFLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data);
149 static FLAC__StreamEncoderWriteStatus flac_stream_encoder_write_callback(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
150 static void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
151 static void flac_file_encoder_progress_callback(const FLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data);
152 static FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset, FLAC__bool silent);
153 static void print_stats(const EncoderSession *encoder_session);
154 static void print_error_with_state(const EncoderSession *e, const char *message);
155 static void print_verify_error(EncoderSession *e);
156 static FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent);
157 static FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent);
158 static FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent);
159 static FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent);
160 static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent);
166 flac__encode_aif(FILE *infile, long infilesize, const char *infilename, const char *outfilename,
167 const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
169 EncoderSession encoder_session;
172 unsigned int channels= 0U, bps= 0U, sample_rate= 0U, sample_frames= 0U;
173 FLAC__bool got_comm_chunk= false, got_ssnd_chunk= false;
174 int info_align_carry= -1, info_align_zero= -1;
176 (void)infilesize; /* silence compiler warning about unused parameter */
177 (void)lookahead; /* silence compiler warning about unused parameter */
178 (void)lookahead_length; /* silence compiler warning about unused parameter */
181 EncoderSession_construct(
184 options.common.use_ogg,
188 options.common.verify,
189 options.common.verbose,
190 options.common.silent,
198 /* lookahead[] already has "FORMxxxxAIFF", do sub-chunks */
204 /* chunk identifier; really conservative about behavior of fread() and feof() */
205 if(feof(infile) || ((c= fread(chunk_id, 1U, 4U, infile)), c==0U && feof(infile)))
207 else if(c<4U || feof(infile)) {
208 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: incomplete chunk identifier\n", encoder_session.inbasefilename);
209 return EncoderSession_finish_error(&encoder_session);
212 if(got_comm_chunk==false && !strncmp(chunk_id, "COMM", 4)) { /* common chunk */
215 /* COMM chunk size */
216 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
217 return EncoderSession_finish_error(&encoder_session);
219 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
220 return EncoderSession_finish_error(&encoder_session);
223 if(!encoder_session.silent) fprintf(stderr, "%s: WARNING: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
225 skip= (xx-18U)+(xx & 1U);
227 /* number of channels */
228 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename, encoder_session.silent))
229 return EncoderSession_finish_error(&encoder_session);
230 else if(x==0U || x>FLAC__MAX_CHANNELS) {
231 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned int)x);
232 return EncoderSession_finish_error(&encoder_session);
234 else if(options.common.sector_align && x!=2U) {
235 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
236 return EncoderSession_finish_error(&encoder_session);
240 /* number of sample frames */
241 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
242 return EncoderSession_finish_error(&encoder_session);
245 /* bits per sample */
246 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename, encoder_session.silent))
247 return EncoderSession_finish_error(&encoder_session);
248 else if(x!=8U && x!=16U && x!=24U) {
249 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported bits per sample %u\n", encoder_session.inbasefilename, (unsigned int)x);
250 return EncoderSession_finish_error(&encoder_session);
252 else if(options.common.sector_align && x!=16U) {
253 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
254 return EncoderSession_finish_error(&encoder_session);
259 if(!read_sane_extended(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
260 return EncoderSession_finish_error(&encoder_session);
261 else if(!FLAC__format_sample_rate_is_valid(xx)) {
262 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned int)xx);
263 return EncoderSession_finish_error(&encoder_session);
265 else if(options.common.sector_align && xx!=44100U) {
266 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)xx);
267 return EncoderSession_finish_error(&encoder_session);
271 /* skip any extra data in the COMM chunk */
272 FLAC__ASSERT(skip<=LONG_MAX);
273 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
274 unsigned int need= min(skip, sizeof ucbuffer_);
275 if(fread(ucbuffer_, 1U, need, infile)<need) {
276 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping extra COMM data\n", encoder_session.inbasefilename);
277 return EncoderSession_finish_error(&encoder_session);
283 * now that we know the sample rate, canonicalize the
284 * --skip string to a number of samples:
286 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
287 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
288 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
289 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
291 got_comm_chunk= true;
293 else if(got_ssnd_chunk==false && !strncmp(chunk_id, "SSND", 4)) { /* sound data chunk */
294 unsigned int offset= 0U, block_size= 0U, align_remainder= 0U, data_bytes;
295 size_t bytes_per_frame= channels*(bps>>3);
296 FLAC__uint64 total_samples_in_input, trim = 0;
297 FLAC__bool pad= false;
299 if(got_comm_chunk==false) {
300 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: got 'SSND' chunk before 'COMM' chunk\n", encoder_session.inbasefilename);
301 return EncoderSession_finish_error(&encoder_session);
304 /* SSND chunk size */
305 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
306 return EncoderSession_finish_error(&encoder_session);
307 else if(xx!=(sample_frames*bytes_per_frame + 8U)) {
308 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: SSND chunk size inconsistent with sample frame count\n", encoder_session.inbasefilename);
309 return EncoderSession_finish_error(&encoder_session);
312 pad= (data_bytes & 1U) ? true : false;
313 data_bytes-= 8U; /* discount the offset and block size fields */
316 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
317 return EncoderSession_finish_error(&encoder_session);
319 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: offset is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
320 return EncoderSession_finish_error(&encoder_session);
325 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
326 return EncoderSession_finish_error(&encoder_session);
328 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: block size is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
329 return EncoderSession_finish_error(&encoder_session);
333 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
334 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
335 total_samples_in_input = data_bytes / bytes_per_frame + *options.common.align_reservoir_samples;
338 * now that we know the input size, canonicalize the
339 * --until string to an absolute sample number:
341 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input, encoder_session.silent))
342 return EncoderSession_finish_error(&encoder_session);
343 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
344 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
346 if(encoder_session.skip>0U) {
347 FLAC__uint64 remaining= encoder_session.skip*bytes_per_frame;
349 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
350 /* is guaranteed to be less than LONG_MAX */
353 unsigned long skip= (unsigned long)(remaining % (1U<<30));
355 FLAC__ASSERT(skip<=LONG_MAX);
356 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
357 unsigned int need= min(skip, sizeof ucbuffer_);
358 if(fread(ucbuffer_, 1U, need, infile)<need) {
359 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
360 return EncoderSession_finish_error(&encoder_session);
369 data_bytes-= (unsigned int)encoder_session.skip*bytes_per_frame; /*@@@ WATCHOUT: 4GB limit */
370 encoder_session.total_samples_to_encode= total_samples_in_input - encoder_session.skip;
371 if(encoder_session.until > 0) {
372 trim = total_samples_in_input - encoder_session.until;
373 FLAC__ASSERT(total_samples_in_input > 0);
374 FLAC__ASSERT(!options.common.sector_align);
375 data_bytes-= (unsigned int)trim*bytes_per_frame;
376 encoder_session.total_samples_to_encode-= trim;
378 if(options.common.sector_align) {
379 align_remainder= (unsigned int)(encoder_session.total_samples_to_encode % 588U);
380 if(options.common.is_last_file)
381 encoder_session.total_samples_to_encode+= (588U-align_remainder); /* will pad with zeroes */
383 encoder_session.total_samples_to_encode-= align_remainder; /* will stop short and carry over to next file */
386 /* +54 for the size of the AIFF headers; this is just an estimate for the progress indicator and doesn't need to be exact */
387 encoder_session.unencoded_size= encoder_session.total_samples_to_encode*bytes_per_frame+54;
389 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
390 return EncoderSession_finish_error(&encoder_session);
392 /* first do any samples in the reservoir */
393 if(options.common.sector_align && *options.common.align_reservoir_samples>0U) {
395 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
396 print_error_with_state(&encoder_session, "ERROR during encoding");
397 return EncoderSession_finish_error(&encoder_session);
401 /* decrement the data_bytes counter if we need to align the file */
402 if(options.common.sector_align) {
403 if(options.common.is_last_file)
404 *options.common.align_reservoir_samples= 0U;
406 *options.common.align_reservoir_samples= align_remainder;
407 data_bytes-= (*options.common.align_reservoir_samples)*bytes_per_frame;
411 /* now do from the file */
412 while(data_bytes>0) {
413 size_t bytes_read= fread(ucbuffer_, 1U, min(data_bytes, CHUNK_OF_SAMPLES*bytes_per_frame), infile);
417 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
418 return EncoderSession_finish_error(&encoder_session);
420 else if(feof(infile)) {
421 if(!encoder_session.silent) fprintf(stderr, "%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);
426 if(bytes_read % bytes_per_frame != 0U) {
427 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
428 return EncoderSession_finish_error(&encoder_session);
431 unsigned int frames= bytes_read/bytes_per_frame;
432 format_input(input_, frames, true, false, channels, bps);
434 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, frames)) {
435 print_error_with_state(&encoder_session, "ERROR during encoding");
436 return EncoderSession_finish_error(&encoder_session);
439 data_bytes-= bytes_read;
445 FLAC__uint64 remaining= (unsigned int)trim*bytes_per_frame;
447 FLAC__ASSERT(!options.common.sector_align);
449 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
450 /* is guaranteed to be less than LONG_MAX */
453 unsigned long skip= (unsigned long)(remaining % (1U<<30));
455 FLAC__ASSERT(skip<=LONG_MAX);
456 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
457 unsigned int need= min(skip, sizeof ucbuffer_);
458 if(fread(ucbuffer_, 1U, need, infile)<need) {
459 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
460 return EncoderSession_finish_error(&encoder_session);
469 /* now read unaligned samples into reservoir or pad with zeroes if necessary */
470 if(options.common.sector_align) {
471 if(options.common.is_last_file) {
472 unsigned int pad_frames= 588U-align_remainder;
474 if(pad_frames<588U) {
477 info_align_zero= pad_frames;
478 for(i= 0U; i<channels; ++i)
479 memset(input_[i], 0, pad_frames*(bps>>3));
481 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, pad_frames)) {
482 print_error_with_state(&encoder_session, "ERROR during encoding");
483 return EncoderSession_finish_error(&encoder_session);
488 if(*options.common.align_reservoir_samples > 0) {
489 size_t bytes_read= fread(ucbuffer_, 1U, (*options.common.align_reservoir_samples)*bytes_per_frame, infile);
491 FLAC__ASSERT(CHUNK_OF_SAMPLES>=588U);
492 if(bytes_read==0U && ferror(infile)) {
493 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
494 return EncoderSession_finish_error(&encoder_session);
496 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_frame) {
497 if(!encoder_session.silent) fprintf(stderr, "%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);
500 info_align_carry= *options.common.align_reservoir_samples;
501 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, true, false, channels, bps);
510 if(fread(&tmp, 1U, 1U, infile)<1U) {
511 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read of SSND pad byte\n", encoder_session.inbasefilename);
512 return EncoderSession_finish_error(&encoder_session);
516 got_ssnd_chunk= true;
518 else { /* other chunk */
519 if(!strncmp(chunk_id, "COMM", 4)) {
520 if(!encoder_session.silent) fprintf(stderr, "%s: WARNING: skipping extra 'COMM' chunk\n", encoder_session.inbasefilename);
522 else if(!strncmp(chunk_id, "SSND", 4)) {
523 if(!encoder_session.silent) fprintf(stderr, "%s: WARNING: skipping extra 'SSND' chunk\n", encoder_session.inbasefilename);
526 if(!encoder_session.silent) fprintf(stderr, "%s: WARNING: skipping unknown chunk '%s'\n", encoder_session.inbasefilename, chunk_id);
530 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
531 return EncoderSession_finish_error(&encoder_session);
533 unsigned long skip= xx+(xx & 1U);
535 FLAC__ASSERT(skip<=LONG_MAX);
536 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
537 unsigned int need= min(skip, sizeof ucbuffer_);
538 if(fread(ucbuffer_, 1U, need, infile)<need) {
539 fprintf(stderr, "%s: ERROR during read while skipping unknown chunk\n", encoder_session.inbasefilename);
540 return EncoderSession_finish_error(&encoder_session);
548 if(got_ssnd_chunk==false && sample_frames!=0U) {
549 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: missing SSND chunk\n", encoder_session.inbasefilename);
550 return EncoderSession_finish_error(&encoder_session);
553 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
556 int flac__encode_wav(FILE *infile, long infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
558 EncoderSession encoder_session;
559 FLAC__bool is_unsigned_samples = false;
560 unsigned channels = 0, bps = 0, sample_rate = 0, data_bytes;
561 size_t bytes_per_wide_sample, bytes_read;
564 FLAC__bool got_fmt_chunk = false, got_data_chunk = false;
565 unsigned align_remainder = 0;
566 int info_align_carry = -1, info_align_zero = -1;
570 (void)lookahead_length;
573 EncoderSession_construct(
576 options.common.use_ogg,
580 options.common.verify,
581 options.common.verbose,
582 options.common.silent,
591 * lookahead[] already has "RIFFxxxxWAVE", do sub-chunks
593 while(!feof(infile)) {
594 if(!read_little_endian_uint32(infile, &xx, true, encoder_session.inbasefilename, encoder_session.silent))
595 return EncoderSession_finish_error(&encoder_session);
598 if(xx == 0x20746d66 && !got_fmt_chunk) { /* "fmt " */
599 unsigned block_align;
601 /* fmt sub-chunk size */
602 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
603 return EncoderSession_finish_error(&encoder_session);
605 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
606 return EncoderSession_finish_error(&encoder_session);
608 else if(xx != 16 && xx != 18) {
609 if(!encoder_session.silent) fprintf(stderr, "%s: WARNING: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
612 /* compression code */
613 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename, encoder_session.silent))
614 return EncoderSession_finish_error(&encoder_session);
616 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported compression type %u\n", encoder_session.inbasefilename, (unsigned)x);
617 return EncoderSession_finish_error(&encoder_session);
619 /* number of channels */
620 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename, encoder_session.silent))
621 return EncoderSession_finish_error(&encoder_session);
622 if(x == 0 || x > FLAC__MAX_CHANNELS) {
623 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned)x);
624 return EncoderSession_finish_error(&encoder_session);
626 else if(options.common.sector_align && x != 2) {
627 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
628 return EncoderSession_finish_error(&encoder_session);
632 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
633 return EncoderSession_finish_error(&encoder_session);
634 if(!FLAC__format_sample_rate_is_valid(xx)) {
635 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned)xx);
636 return EncoderSession_finish_error(&encoder_session);
638 else if(options.common.sector_align && xx != 44100) {
639 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned)xx);
640 return EncoderSession_finish_error(&encoder_session);
643 /* avg bytes per second (ignored) */
644 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
645 return EncoderSession_finish_error(&encoder_session);
647 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename, encoder_session.silent))
648 return EncoderSession_finish_error(&encoder_session);
650 /* bits per sample */
651 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename, encoder_session.silent))
652 return EncoderSession_finish_error(&encoder_session);
653 if(x != 8 && x != 16 && x != 24) {
654 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported bits-per-sample %u\n", encoder_session.inbasefilename, (unsigned)x);
655 return EncoderSession_finish_error(&encoder_session);
657 else if(options.common.sector_align && x != 16) {
658 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
659 return EncoderSession_finish_error(&encoder_session);
662 if(bps * channels != block_align * 8) {
663 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: unsupported block alignment (%u), for bits-per-sample=%u, channels=%u\n", encoder_session.inbasefilename, block_align, bps, channels);
664 return EncoderSession_finish_error(&encoder_session);
666 is_unsigned_samples = (x == 8);
668 /* skip any extra data in the fmt sub-chunk */
672 for(left = data_bytes; left > 0; ) {
673 need = min(left, CHUNK_OF_SAMPLES);
674 if(fread(ucbuffer_, 1U, need, infile) < need) {
675 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
676 return EncoderSession_finish_error(&encoder_session);
683 * now that we know the sample rate, canonicalize the
684 * --skip string to a number of samples:
686 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
687 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
688 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
689 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
691 got_fmt_chunk = true;
693 else if(xx == 0x61746164 && !got_data_chunk && got_fmt_chunk) { /* "data" */
694 FLAC__uint64 total_samples_in_input, trim = 0;
697 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
698 return EncoderSession_finish_error(&encoder_session);
701 bytes_per_wide_sample = channels * (bps >> 3);
703 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
704 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
705 total_samples_in_input = data_bytes / bytes_per_wide_sample + *options.common.align_reservoir_samples;
708 * now that we know the input size, canonicalize the
709 * --until string to an absolute sample number:
711 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input, encoder_session.silent))
712 return EncoderSession_finish_error(&encoder_session);
713 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
714 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
716 if(encoder_session.skip > 0) {
717 if(fseek(infile, bytes_per_wide_sample * (unsigned)encoder_session.skip, SEEK_CUR) < 0) {
718 /* can't seek input, read ahead manually... */
720 for(left = (unsigned)encoder_session.skip; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
721 need = min(left, CHUNK_OF_SAMPLES);
722 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
723 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
724 return EncoderSession_finish_error(&encoder_session);
731 data_bytes -= (unsigned)encoder_session.skip * bytes_per_wide_sample; /*@@@ WATCHOUT: 4GB limit */
732 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
733 if(encoder_session.until > 0) {
734 trim = total_samples_in_input - encoder_session.until;
735 FLAC__ASSERT(total_samples_in_input > 0);
736 FLAC__ASSERT(!options.common.sector_align);
737 data_bytes -= (unsigned int)trim * bytes_per_wide_sample;
738 encoder_session.total_samples_to_encode -= trim;
740 if(options.common.sector_align) {
741 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
742 if(options.common.is_last_file)
743 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
745 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
748 /* +44 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
749 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample + 44;
751 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
752 return EncoderSession_finish_error(&encoder_session);
755 * first do any samples in the reservoir
757 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
758 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
759 print_error_with_state(&encoder_session, "ERROR during encoding");
760 return EncoderSession_finish_error(&encoder_session);
765 * decrement the data_bytes counter if we need to align the file
767 if(options.common.sector_align) {
768 if(options.common.is_last_file) {
769 *options.common.align_reservoir_samples = 0;
772 *options.common.align_reservoir_samples = align_remainder;
773 data_bytes -= (*options.common.align_reservoir_samples) * bytes_per_wide_sample;
778 * now do from the file
780 while(data_bytes > 0) {
781 bytes_read = fread(ucbuffer_, sizeof(unsigned char), min(data_bytes, CHUNK_OF_SAMPLES * bytes_per_wide_sample), infile);
782 if(bytes_read == 0) {
784 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
785 return EncoderSession_finish_error(&encoder_session);
787 else if(feof(infile)) {
788 if(!encoder_session.silent) fprintf(stderr, "%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);
793 if(bytes_read % bytes_per_wide_sample != 0) {
794 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
795 return EncoderSession_finish_error(&encoder_session);
798 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
799 format_input(input_, wide_samples, false, is_unsigned_samples, channels, bps);
801 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
802 print_error_with_state(&encoder_session, "ERROR during encoding");
803 return EncoderSession_finish_error(&encoder_session);
805 data_bytes -= bytes_read;
811 if(fseek(infile, bytes_per_wide_sample * (unsigned)trim, SEEK_CUR) < 0) {
812 /* can't seek input, read ahead manually... */
814 for(left = (unsigned)trim; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
815 need = min(left, CHUNK_OF_SAMPLES);
816 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
817 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
818 return EncoderSession_finish_error(&encoder_session);
826 * now read unaligned samples into reservoir or pad with zeroes if necessary
828 if(options.common.sector_align) {
829 if(options.common.is_last_file) {
830 unsigned wide_samples = 588 - align_remainder;
831 if(wide_samples < 588) {
834 info_align_zero = wide_samples;
835 data_bytes = wide_samples * (bps >> 3);
836 for(channel = 0; channel < channels; channel++)
837 memset(input_[channel], 0, data_bytes);
839 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
840 print_error_with_state(&encoder_session, "ERROR during encoding");
841 return EncoderSession_finish_error(&encoder_session);
846 if(*options.common.align_reservoir_samples > 0) {
847 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
848 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
849 if(bytes_read == 0 && ferror(infile)) {
850 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
851 return EncoderSession_finish_error(&encoder_session);
853 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
854 if(!encoder_session.silent) fprintf(stderr, "%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);
858 info_align_carry = *options.common.align_reservoir_samples;
859 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, is_unsigned_samples, channels, bps);
865 got_data_chunk = true;
868 if(xx == 0x20746d66 && got_fmt_chunk) { /* "fmt " */
869 if(!encoder_session.silent) fprintf(stderr, "%s: WARNING: skipping extra 'fmt ' sub-chunk\n", encoder_session.inbasefilename);
871 else if(xx == 0x61746164) { /* "data" */
873 if(!encoder_session.silent) fprintf(stderr, "%s: WARNING: skipping extra 'data' sub-chunk\n", encoder_session.inbasefilename);
875 else if(!got_fmt_chunk) {
876 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: got 'data' sub-chunk before 'fmt' sub-chunk\n", encoder_session.inbasefilename);
877 return EncoderSession_finish_error(&encoder_session);
884 if(!encoder_session.silent) fprintf(stderr, "%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));
887 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename, encoder_session.silent))
888 return EncoderSession_finish_error(&encoder_session);
889 if(fseek(infile, xx, SEEK_CUR) < 0) {
890 /* can't seek input, read ahead manually... */
892 const unsigned chunk = sizeof(ucbuffer_);
893 for(left = xx; left > 0; ) {
894 need = min(left, chunk);
895 if(fread(ucbuffer_, 1, need, infile) < need) {
896 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping unsupported sub-chunk\n", encoder_session.inbasefilename);
897 return EncoderSession_finish_error(&encoder_session);
905 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
908 int flac__encode_raw(FILE *infile, long infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, raw_encode_options_t options)
910 EncoderSession encoder_session;
912 const size_t bytes_per_wide_sample = options.channels * (options.bps >> 3);
913 unsigned align_remainder = 0;
914 int info_align_carry = -1, info_align_zero = -1;
915 FLAC__uint64 total_samples_in_input = 0;;
917 FLAC__ASSERT(!options.common.sector_align || options.channels == 2);
918 FLAC__ASSERT(!options.common.sector_align || options.bps == 16);
919 FLAC__ASSERT(!options.common.sector_align || options.sample_rate == 44100);
920 FLAC__ASSERT(!options.common.sector_align || infilesize >= 0);
921 FLAC__ASSERT(!options.common.replay_gain || options.channels <= 2);
922 FLAC__ASSERT(!options.common.replay_gain || grabbag__replaygain_is_valid_sample_frequency(options.sample_rate));
925 EncoderSession_construct(
928 options.common.use_ogg,
932 options.common.verify,
933 options.common.verbose,
934 options.common.silent,
943 * now that we know the sample rate, canonicalize the
944 * --skip string to a number of samples:
946 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, options.sample_rate);
947 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
948 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
949 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
952 total_samples_in_input = 0;
954 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
955 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
956 total_samples_in_input = (unsigned)infilesize / bytes_per_wide_sample + *options.common.align_reservoir_samples;
960 * now that we know the input size, canonicalize the
961 * --until strings to a number of samples:
963 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, options.sample_rate, encoder_session.skip, total_samples_in_input, encoder_session.silent))
964 return EncoderSession_finish_error(&encoder_session);
965 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
966 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
968 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
969 if(encoder_session.until > 0) {
970 const FLAC__uint64 trim = total_samples_in_input - encoder_session.until;
971 FLAC__ASSERT(total_samples_in_input > 0);
972 FLAC__ASSERT(!options.common.sector_align);
973 encoder_session.total_samples_to_encode -= trim;
975 if(infilesize >= 0 && options.common.sector_align) {
976 FLAC__ASSERT(encoder_session.skip == 0);
977 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
978 if(options.common.is_last_file)
979 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
981 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
983 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
985 if(encoder_session.verbose && encoder_session.total_samples_to_encode <= 0)
986 fprintf(stderr, "(No runtime statistics possible; please wait for encoding to finish...)\n");
988 if(encoder_session.skip > 0) {
989 unsigned skip_bytes = bytes_per_wide_sample * (unsigned)encoder_session.skip;
990 if(skip_bytes > lookahead_length) {
991 skip_bytes -= lookahead_length;
992 lookahead_length = 0;
993 if(fseek(infile, (long)skip_bytes, SEEK_CUR) < 0) {
994 /* can't seek input, read ahead manually... */
996 const unsigned chunk = sizeof(ucbuffer_);
997 for(left = skip_bytes; left > 0; ) {
998 need = min(left, chunk);
999 if(fread(ucbuffer_, 1, need, infile) < need) {
1000 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
1001 return EncoderSession_finish_error(&encoder_session);
1008 lookahead += skip_bytes;
1009 lookahead_length -= skip_bytes;
1013 if(!EncoderSession_init_encoder(&encoder_session, options.common, options.channels, options.bps, options.sample_rate))
1014 return EncoderSession_finish_error(&encoder_session);
1017 * first do any samples in the reservoir
1019 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
1020 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
1021 print_error_with_state(&encoder_session, "ERROR during encoding");
1022 return EncoderSession_finish_error(&encoder_session);
1027 * decrement infilesize if we need to align the file
1029 if(options.common.sector_align) {
1030 FLAC__ASSERT(infilesize >= 0);
1031 if(options.common.is_last_file) {
1032 *options.common.align_reservoir_samples = 0;
1035 *options.common.align_reservoir_samples = align_remainder;
1036 infilesize -= (long)((*options.common.align_reservoir_samples) * bytes_per_wide_sample);
1037 FLAC__ASSERT(infilesize >= 0);
1042 * now do from the file
1044 if(infilesize < 0) {
1045 while(!feof(infile)) {
1046 if(lookahead_length > 0) {
1047 FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1048 memcpy(ucbuffer_, lookahead, lookahead_length);
1049 bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample - lookahead_length, infile) + lookahead_length;
1050 if(ferror(infile)) {
1051 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1052 return EncoderSession_finish_error(&encoder_session);
1054 lookahead_length = 0;
1057 bytes_read = fread(ucbuffer_, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
1059 if(bytes_read == 0) {
1060 if(ferror(infile)) {
1061 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1062 return EncoderSession_finish_error(&encoder_session);
1065 else if(bytes_read % bytes_per_wide_sample != 0) {
1066 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1067 return EncoderSession_finish_error(&encoder_session);
1070 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1071 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1073 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1074 print_error_with_state(&encoder_session, "ERROR during encoding");
1075 return EncoderSession_finish_error(&encoder_session);
1081 const FLAC__uint64 max_input_bytes = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
1082 FLAC__uint64 total_input_bytes_read = 0;
1083 while(total_input_bytes_read < max_input_bytes) {
1085 size_t wanted = (CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1086 wanted = min(wanted, (size_t)(max_input_bytes - total_input_bytes_read));
1088 if(lookahead_length > 0) {
1089 FLAC__ASSERT(lookahead_length <= wanted);
1090 memcpy(ucbuffer_, lookahead, lookahead_length);
1091 wanted -= lookahead_length;
1092 bytes_read = lookahead_length;
1094 bytes_read += fread(ucbuffer_+lookahead_length, sizeof(unsigned char), wanted, infile);
1095 if(ferror(infile)) {
1096 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1097 return EncoderSession_finish_error(&encoder_session);
1100 lookahead_length = 0;
1103 bytes_read = fread(ucbuffer_, sizeof(unsigned char), wanted, infile);
1106 if(bytes_read == 0) {
1107 if(ferror(infile)) {
1108 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1109 return EncoderSession_finish_error(&encoder_session);
1111 else if(feof(infile)) {
1112 if(!encoder_session.silent) fprintf(stderr, "%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);
1113 total_input_bytes_read = max_input_bytes;
1117 if(bytes_read % bytes_per_wide_sample != 0) {
1118 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1119 return EncoderSession_finish_error(&encoder_session);
1122 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1123 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1125 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1126 print_error_with_state(&encoder_session, "ERROR during encoding");
1127 return EncoderSession_finish_error(&encoder_session);
1129 total_input_bytes_read += bytes_read;
1136 * now read unaligned samples into reservoir or pad with zeroes if necessary
1138 if(options.common.sector_align) {
1139 if(options.common.is_last_file) {
1140 unsigned wide_samples = 588 - align_remainder;
1141 if(wide_samples < 588) {
1142 unsigned channel, data_bytes;
1144 info_align_zero = wide_samples;
1145 data_bytes = wide_samples * (options.bps >> 3);
1146 for(channel = 0; channel < options.channels; channel++)
1147 memset(input_[channel], 0, data_bytes);
1149 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1150 print_error_with_state(&encoder_session, "ERROR during encoding");
1151 return EncoderSession_finish_error(&encoder_session);
1156 if(*options.common.align_reservoir_samples > 0) {
1157 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
1158 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
1159 if(bytes_read == 0 && ferror(infile)) {
1160 if(!encoder_session.silent) fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1161 return EncoderSession_finish_error(&encoder_session);
1163 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
1164 if(!encoder_session.silent) fprintf(stderr, "%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);
1167 info_align_carry = *options.common.align_reservoir_samples;
1168 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, options.is_unsigned_samples, options.channels, options.bps);
1174 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
1177 FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FLAC__bool verbose, FLAC__bool silent, FILE *infile, const char *infilename, const char *outfilename)
1180 FLAC__uint32 test = 1;
1183 * initialize globals
1186 is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
1188 for(i = 0; i < FLAC__MAX_CHANNELS; i++)
1189 input_[i] = &(in_[i][0]);
1193 * initialize instance
1196 #ifdef FLAC__HAS_OGG
1197 e->use_ogg = use_ogg;
1202 e->verbose = verbose;
1205 e->is_stdout = (0 == strcmp(outfilename, "-"));
1207 e->inbasefilename = grabbag__file_get_basename(infilename);
1208 e->outfilename = outfilename;
1210 e->skip = 0; /* filled in later after the sample_rate is known */
1211 e->unencoded_size = 0;
1212 e->total_samples_to_encode = 0;
1213 e->bytes_written = 0;
1214 e->samples_written = 0;
1218 e->encoder.flac.stream = 0;
1219 e->encoder.flac.file = 0;
1220 #ifdef FLAC__HAS_OGG
1221 e->encoder.ogg.stream = 0;
1222 e->encoder.ogg.file = 0;
1227 e->seek_table_template = 0;
1230 e->fout = grabbag__file_get_binary_stdout();
1233 if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) {
1234 if(!e->silent) fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1238 #ifdef FLAC__HAS_OGG
1241 e->encoder.ogg.stream = OggFLAC__stream_encoder_new();
1242 if(0 == e->encoder.ogg.stream) {
1243 if(!e->silent) fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1244 EncoderSession_destroy(e);
1249 e->encoder.ogg.file = OggFLAC__file_encoder_new();
1250 if(0 == e->encoder.ogg.file) {
1251 if(!e->silent) fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1252 EncoderSession_destroy(e);
1260 e->encoder.flac.stream = FLAC__stream_encoder_new();
1261 if(0 == e->encoder.flac.stream) {
1262 if(!e->silent) fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1263 EncoderSession_destroy(e);
1268 e->encoder.flac.file = FLAC__file_encoder_new();
1269 if(0 == e->encoder.flac.file) {
1270 if(!e->silent) fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1271 EncoderSession_destroy(e);
1279 void EncoderSession_destroy(EncoderSession *e)
1283 if(0 != e->fout && e->fout != stdout)
1286 #ifdef FLAC__HAS_OGG
1289 if(0 != e->encoder.ogg.stream) {
1290 OggFLAC__stream_encoder_delete(e->encoder.ogg.stream);
1291 e->encoder.ogg.stream = 0;
1295 if(0 != e->encoder.ogg.file) {
1296 OggFLAC__file_encoder_delete(e->encoder.ogg.file);
1297 e->encoder.ogg.file = 0;
1304 if(0 != e->encoder.flac.stream) {
1305 FLAC__stream_encoder_delete(e->encoder.flac.stream);
1306 e->encoder.flac.stream = 0;
1310 if(0 != e->encoder.flac.file) {
1311 FLAC__file_encoder_delete(e->encoder.flac.file);
1312 e->encoder.flac.file = 0;
1316 if(0 != e->seek_table_template) {
1317 FLAC__metadata_object_delete(e->seek_table_template);
1318 e->seek_table_template = 0;
1322 int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero)
1324 FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK;
1327 #ifdef FLAC__HAS_OGG
1330 if(e->encoder.ogg.stream) {
1331 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1332 OggFLAC__stream_encoder_finish(e->encoder.ogg.stream);
1336 if(e->encoder.ogg.file) {
1337 fse_state = OggFLAC__file_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.file);
1338 OggFLAC__file_encoder_finish(e->encoder.ogg.file);
1345 if(e->encoder.flac.stream) {
1346 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1347 FLAC__stream_encoder_finish(e->encoder.flac.stream);
1351 if(e->encoder.flac.file) {
1352 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1353 FLAC__file_encoder_finish(e->encoder.flac.file);
1357 if(e->verbose && e->total_samples_to_encode > 0) {
1359 fprintf(stderr, "\n");
1362 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) {
1363 print_verify_error(e);
1367 if(info_align_carry >= 0) {
1368 if(!e->silent) fprintf(stderr, "%s: INFO: sector alignment causing %d samples to be carried over\n", e->inbasefilename, info_align_carry);
1370 if(info_align_zero >= 0) {
1371 if(!e->silent) fprintf(stderr, "%s: INFO: sector alignment causing %d zero samples to be appended\n", e->inbasefilename, info_align_zero);
1375 EncoderSession_destroy(e);
1380 int EncoderSession_finish_error(EncoderSession *e)
1382 FLAC__StreamEncoderState fse_state;
1384 if(e->verbose && e->total_samples_to_encode > 0)
1385 fprintf(stderr, "\n");
1387 #ifdef FLAC__HAS_OGG
1390 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1393 fse_state = OggFLAC__file_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.file);
1399 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1402 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1405 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
1406 print_verify_error(e);
1408 unlink(e->outfilename);
1410 EncoderSession_destroy(e);
1415 FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate)
1417 unsigned num_metadata;
1418 FLAC__StreamMetadata padding, *cuesheet = 0;
1419 FLAC__StreamMetadata *metadata[4];
1420 const FLAC__bool is_cdda = (channels == 1 || channels == 2) && (bps == 16) && (sample_rate == 44100);
1422 e->replay_gain = options.replay_gain;
1423 e->channels = channels;
1424 e->bits_per_sample = bps;
1425 e->sample_rate = sample_rate;
1427 if(e->replay_gain) {
1428 if(channels != 1 && channels != 2) {
1429 if(!e->silent) fprintf(stderr, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gain\n", e->inbasefilename, channels);
1432 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
1433 if(!e->silent) fprintf(stderr, "%s: ERROR, invalid sample rate (%u) for --replay-gain\n", e->inbasefilename, sample_rate);
1436 if(options.is_first_file) {
1437 if(!grabbag__replaygain_init(sample_rate)) {
1438 if(!e->silent) fprintf(stderr, "%s: ERROR initializing ReplayGain stage\n", e->inbasefilename);
1445 options.do_mid_side = options.loose_mid_side = false;
1447 if(!parse_cuesheet_(&cuesheet, options.cuesheet_filename, e->inbasefilename, is_cdda, e->total_samples_to_encode, e->silent))
1450 if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? cuesheet : 0, e)) {
1451 if(!e->silent) fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1458 if(e->seek_table_template->data.seek_table.num_points > 0) {
1459 e->seek_table_template->is_last = false; /* the encoder will set this for us */
1460 metadata[num_metadata++] = e->seek_table_template;
1463 metadata[num_metadata++] = cuesheet;
1464 metadata[num_metadata++] = options.vorbis_comment;
1465 if(options.padding > 0) {
1466 padding.is_last = false; /* the encoder will set this for us */
1467 padding.type = FLAC__METADATA_TYPE_PADDING;
1468 padding.length = (unsigned)options.padding;
1469 metadata[num_metadata++] = &padding;
1472 e->blocksize = options.blocksize;
1473 e->stats_mask = (options.do_exhaustive_model_search || options.do_qlp_coeff_prec_search)? 0x0f : 0x3f;
1475 #ifdef FLAC__HAS_OGG
1478 OggFLAC__stream_encoder_set_serial_number(e->encoder.ogg.stream, options.serial_number);
1479 OggFLAC__stream_encoder_set_verify(e->encoder.ogg.stream, options.verify);
1480 OggFLAC__stream_encoder_set_streamable_subset(e->encoder.ogg.stream, !options.lax);
1481 OggFLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.ogg.stream, options.do_mid_side);
1482 OggFLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.ogg.stream, options.loose_mid_side);
1483 OggFLAC__stream_encoder_set_channels(e->encoder.ogg.stream, channels);
1484 OggFLAC__stream_encoder_set_bits_per_sample(e->encoder.ogg.stream, bps);
1485 OggFLAC__stream_encoder_set_sample_rate(e->encoder.ogg.stream, sample_rate);
1486 OggFLAC__stream_encoder_set_blocksize(e->encoder.ogg.stream, options.blocksize);
1487 OggFLAC__stream_encoder_set_max_lpc_order(e->encoder.ogg.stream, options.max_lpc_order);
1488 OggFLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.ogg.stream, options.qlp_coeff_precision);
1489 OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.stream, options.do_qlp_coeff_prec_search);
1490 OggFLAC__stream_encoder_set_do_escape_coding(e->encoder.ogg.stream, options.do_escape_coding);
1491 OggFLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.ogg.stream, options.do_exhaustive_model_search);
1492 OggFLAC__stream_encoder_set_min_residual_partition_order(e->encoder.ogg.stream, options.min_residual_partition_order);
1493 OggFLAC__stream_encoder_set_max_residual_partition_order(e->encoder.ogg.stream, options.max_residual_partition_order);
1494 OggFLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.ogg.stream, options.rice_parameter_search_dist);
1495 OggFLAC__stream_encoder_set_total_samples_estimate(e->encoder.ogg.stream, e->total_samples_to_encode);
1496 OggFLAC__stream_encoder_set_metadata(e->encoder.ogg.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1497 OggFLAC__stream_encoder_set_write_callback(e->encoder.ogg.stream, ogg_stream_encoder_write_callback);
1498 OggFLAC__stream_encoder_set_metadata_callback(e->encoder.ogg.stream, ogg_stream_encoder_metadata_callback);
1499 OggFLAC__stream_encoder_set_client_data(e->encoder.ogg.stream, e);
1501 OggFLAC__stream_encoder_disable_constant_subframes(e->encoder.ogg.stream, options.debug.disable_constant_subframes);
1502 OggFLAC__stream_encoder_disable_fixed_subframes(e->encoder.ogg.stream, options.debug.disable_fixed_subframes);
1503 OggFLAC__stream_encoder_disable_verbatim_subframes(e->encoder.ogg.stream, options.debug.disable_verbatim_subframes);
1505 if(OggFLAC__stream_encoder_init(e->encoder.ogg.stream) != FLAC__STREAM_ENCODER_OK) {
1506 print_error_with_state(e, "ERROR initializing encoder");
1513 OggFLAC__file_encoder_set_serial_number(e->encoder.ogg.file, options.serial_number);
1514 OggFLAC__file_encoder_set_filename(e->encoder.ogg.file, e->outfilename);
1515 OggFLAC__file_encoder_set_verify(e->encoder.ogg.file, options.verify);
1516 OggFLAC__file_encoder_set_streamable_subset(e->encoder.ogg.file, !options.lax);
1517 OggFLAC__file_encoder_set_do_mid_side_stereo(e->encoder.ogg.file, options.do_mid_side);
1518 OggFLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.ogg.file, options.loose_mid_side);
1519 OggFLAC__file_encoder_set_channels(e->encoder.ogg.file, channels);
1520 OggFLAC__file_encoder_set_bits_per_sample(e->encoder.ogg.file, bps);
1521 OggFLAC__file_encoder_set_sample_rate(e->encoder.ogg.file, sample_rate);
1522 OggFLAC__file_encoder_set_blocksize(e->encoder.ogg.file, options.blocksize);
1523 OggFLAC__file_encoder_set_max_lpc_order(e->encoder.ogg.file, options.max_lpc_order);
1524 OggFLAC__file_encoder_set_qlp_coeff_precision(e->encoder.ogg.file, options.qlp_coeff_precision);
1525 OggFLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.file, options.do_qlp_coeff_prec_search);
1526 OggFLAC__file_encoder_set_do_escape_coding(e->encoder.ogg.file, options.do_escape_coding);
1527 OggFLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.ogg.file, options.do_exhaustive_model_search);
1528 OggFLAC__file_encoder_set_min_residual_partition_order(e->encoder.ogg.file, options.min_residual_partition_order);
1529 OggFLAC__file_encoder_set_max_residual_partition_order(e->encoder.ogg.file, options.max_residual_partition_order);
1530 OggFLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.ogg.file, options.rice_parameter_search_dist);
1531 OggFLAC__file_encoder_set_total_samples_estimate(e->encoder.ogg.file, e->total_samples_to_encode);
1532 OggFLAC__file_encoder_set_metadata(e->encoder.ogg.file, (num_metadata > 0)? metadata : 0, num_metadata);
1533 OggFLAC__file_encoder_set_progress_callback(e->encoder.ogg.file, ogg_file_encoder_progress_callback);
1534 OggFLAC__file_encoder_set_client_data(e->encoder.ogg.file, e);
1536 OggFLAC__file_encoder_disable_constant_subframes(e->encoder.ogg.file, options.debug.disable_constant_subframes);
1537 OggFLAC__file_encoder_disable_fixed_subframes(e->encoder.ogg.file, options.debug.disable_fixed_subframes);
1538 OggFLAC__file_encoder_disable_verbatim_subframes(e->encoder.ogg.file, options.debug.disable_verbatim_subframes);
1540 if(OggFLAC__file_encoder_init(e->encoder.ogg.file) != OggFLAC__FILE_ENCODER_OK) {
1541 print_error_with_state(e, "ERROR initializing encoder");
1551 FLAC__stream_encoder_set_verify(e->encoder.flac.stream, options.verify);
1552 FLAC__stream_encoder_set_streamable_subset(e->encoder.flac.stream, !options.lax);
1553 FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.flac.stream, options.do_mid_side);
1554 FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.flac.stream, options.loose_mid_side);
1555 FLAC__stream_encoder_set_channels(e->encoder.flac.stream, channels);
1556 FLAC__stream_encoder_set_bits_per_sample(e->encoder.flac.stream, bps);
1557 FLAC__stream_encoder_set_sample_rate(e->encoder.flac.stream, sample_rate);
1558 FLAC__stream_encoder_set_blocksize(e->encoder.flac.stream, options.blocksize);
1559 FLAC__stream_encoder_set_max_lpc_order(e->encoder.flac.stream, options.max_lpc_order);
1560 FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.flac.stream, options.qlp_coeff_precision);
1561 FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.stream, options.do_qlp_coeff_prec_search);
1562 FLAC__stream_encoder_set_do_escape_coding(e->encoder.flac.stream, options.do_escape_coding);
1563 FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.flac.stream, options.do_exhaustive_model_search);
1564 FLAC__stream_encoder_set_min_residual_partition_order(e->encoder.flac.stream, options.min_residual_partition_order);
1565 FLAC__stream_encoder_set_max_residual_partition_order(e->encoder.flac.stream, options.max_residual_partition_order);
1566 FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.flac.stream, options.rice_parameter_search_dist);
1567 FLAC__stream_encoder_set_total_samples_estimate(e->encoder.flac.stream, e->total_samples_to_encode);
1568 FLAC__stream_encoder_set_metadata(e->encoder.flac.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1569 FLAC__stream_encoder_set_write_callback(e->encoder.flac.stream, flac_stream_encoder_write_callback);
1570 FLAC__stream_encoder_set_metadata_callback(e->encoder.flac.stream, flac_stream_encoder_metadata_callback);
1571 FLAC__stream_encoder_set_client_data(e->encoder.flac.stream, e);
1573 FLAC__stream_encoder_disable_constant_subframes(e->encoder.flac.stream, options.debug.disable_constant_subframes);
1574 FLAC__stream_encoder_disable_fixed_subframes(e->encoder.flac.stream, options.debug.disable_fixed_subframes);
1575 FLAC__stream_encoder_disable_verbatim_subframes(e->encoder.flac.stream, options.debug.disable_verbatim_subframes);
1577 if(FLAC__stream_encoder_init(e->encoder.flac.stream) != FLAC__STREAM_ENCODER_OK) {
1578 print_error_with_state(e, "ERROR initializing encoder");
1585 FLAC__file_encoder_set_filename(e->encoder.flac.file, e->outfilename);
1586 FLAC__file_encoder_set_verify(e->encoder.flac.file, options.verify);
1587 FLAC__file_encoder_set_streamable_subset(e->encoder.flac.file, !options.lax);
1588 FLAC__file_encoder_set_do_mid_side_stereo(e->encoder.flac.file, options.do_mid_side);
1589 FLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.flac.file, options.loose_mid_side);
1590 FLAC__file_encoder_set_channels(e->encoder.flac.file, channels);
1591 FLAC__file_encoder_set_bits_per_sample(e->encoder.flac.file, bps);
1592 FLAC__file_encoder_set_sample_rate(e->encoder.flac.file, sample_rate);
1593 FLAC__file_encoder_set_blocksize(e->encoder.flac.file, options.blocksize);
1594 FLAC__file_encoder_set_max_lpc_order(e->encoder.flac.file, options.max_lpc_order);
1595 FLAC__file_encoder_set_qlp_coeff_precision(e->encoder.flac.file, options.qlp_coeff_precision);
1596 FLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.file, options.do_qlp_coeff_prec_search);
1597 FLAC__file_encoder_set_do_escape_coding(e->encoder.flac.file, options.do_escape_coding);
1598 FLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.flac.file, options.do_exhaustive_model_search);
1599 FLAC__file_encoder_set_min_residual_partition_order(e->encoder.flac.file, options.min_residual_partition_order);
1600 FLAC__file_encoder_set_max_residual_partition_order(e->encoder.flac.file, options.max_residual_partition_order);
1601 FLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.flac.file, options.rice_parameter_search_dist);
1602 FLAC__file_encoder_set_total_samples_estimate(e->encoder.flac.file, e->total_samples_to_encode);
1603 FLAC__file_encoder_set_metadata(e->encoder.flac.file, (num_metadata > 0)? metadata : 0, num_metadata);
1604 FLAC__file_encoder_set_progress_callback(e->encoder.flac.file, flac_file_encoder_progress_callback);
1605 FLAC__file_encoder_set_client_data(e->encoder.flac.file, e);
1607 FLAC__file_encoder_disable_constant_subframes(e->encoder.flac.file, options.debug.disable_constant_subframes);
1608 FLAC__file_encoder_disable_fixed_subframes(e->encoder.flac.file, options.debug.disable_fixed_subframes);
1609 FLAC__file_encoder_disable_verbatim_subframes(e->encoder.flac.file, options.debug.disable_verbatim_subframes);
1611 if(FLAC__file_encoder_init(e->encoder.flac.file) != FLAC__FILE_ENCODER_OK) {
1612 print_error_with_state(e, "ERROR initializing encoder");
1625 FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples)
1627 if(e->replay_gain) {
1628 if(!grabbag__replaygain_analyze(buffer, e->channels==2, e->bits_per_sample, samples)) {
1629 if(!e->silent) fprintf(stderr, "%s: WARNING, error while calculating ReplayGain\n", e->inbasefilename);
1633 #ifdef FLAC__HAS_OGG
1636 return OggFLAC__stream_encoder_process(e->encoder.ogg.stream, buffer, samples);
1639 return OggFLAC__file_encoder_process(e->encoder.ogg.file, buffer, samples);
1645 return FLAC__stream_encoder_process(e->encoder.flac.stream, buffer, samples);
1648 return FLAC__file_encoder_process(e->encoder.flac.file, buffer, samples);
1652 FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e)
1654 const FLAC__bool only_placeholders = e->is_stdout;
1655 FLAC__bool has_real_points;
1657 if(num_requested_seek_points == 0 && 0 == cuesheet)
1660 if(num_requested_seek_points < 0) {
1661 requested_seek_points = "10s;";
1662 num_requested_seek_points = 1;
1665 if(num_requested_seek_points > 0) {
1666 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))
1672 const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
1673 for(i = 0; i < cs->num_tracks; i++) {
1674 const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i;
1675 for(j = 0; j < tr->num_indices; j++) {
1676 if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset))
1678 has_real_points = true;
1682 if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true))
1686 if(has_real_points) {
1688 if(!e->silent) fprintf(stderr, "%s: WARNING, cannot write back seekpoints when encoding to stdout\n", e->inbasefilename);
1695 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input, FLAC__bool silent)
1697 /* convert from mm:ss.sss to sample number if necessary */
1698 flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
1700 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
1701 if(spec->is_relative && spec->value.samples == 0) {
1702 spec->is_relative = false;
1706 /* in any other case the total samples in the input must be known */
1707 if(total_samples_in_input == 0) {
1708 if(!silent) fprintf(stderr, "%s: ERROR, cannot use --until when input length is unknown\n", inbasefilename);
1712 FLAC__ASSERT(spec->value_is_samples);
1714 /* convert relative specifications to absolute */
1715 if(spec->is_relative) {
1716 if(spec->value.samples <= 0)
1717 spec->value.samples += (FLAC__int64)total_samples_in_input;
1719 spec->value.samples += skip;
1720 spec->is_relative = false;
1724 if(spec->value.samples < 0) {
1725 if(!silent) fprintf(stderr, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
1728 if((FLAC__uint64)spec->value.samples <= skip) {
1729 if(!silent) fprintf(stderr, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
1732 if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
1733 if(!silent) fprintf(stderr, "%s: ERROR, --until value is after end of input\n", inbasefilename);
1740 void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps)
1742 unsigned wide_sample, sample, channel, byte;
1745 if(is_unsigned_samples) {
1746 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1747 for(channel = 0; channel < channels; channel++, sample++)
1748 dest[channel][wide_sample] = (FLAC__int32)ucbuffer_[sample] - 0x80;
1751 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1752 for(channel = 0; channel < channels; channel++, sample++)
1753 dest[channel][wide_sample] = (FLAC__int32)scbuffer_[sample];
1756 else if(bps == 16) {
1757 if(is_big_endian != is_big_endian_host_) {
1759 const unsigned bytes = wide_samples * channels * (bps >> 3);
1760 for(byte = 0; byte < bytes; byte += 2) {
1761 tmp = ucbuffer_[byte];
1762 ucbuffer_[byte] = ucbuffer_[byte+1];
1763 ucbuffer_[byte+1] = tmp;
1766 if(is_unsigned_samples) {
1767 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1768 for(channel = 0; channel < channels; channel++, sample++)
1769 dest[channel][wide_sample] = (FLAC__int32)usbuffer_[sample] - 0x8000;
1772 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1773 for(channel = 0; channel < channels; channel++, sample++)
1774 dest[channel][wide_sample] = (FLAC__int32)ssbuffer_[sample];
1777 else if(bps == 24) {
1778 if(!is_big_endian) {
1780 const unsigned bytes = wide_samples * channels * (bps >> 3);
1781 for(byte = 0; byte < bytes; byte += 3) {
1782 tmp = ucbuffer_[byte];
1783 ucbuffer_[byte] = ucbuffer_[byte+2];
1784 ucbuffer_[byte+2] = tmp;
1787 if(is_unsigned_samples) {
1788 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1789 for(channel = 0; channel < channels; channel++, sample++) {
1790 dest[channel][wide_sample] = ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1791 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1792 dest[channel][wide_sample] |= ucbuffer_[byte++];
1793 dest[channel][wide_sample] -= 0x800000;
1797 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1798 for(channel = 0; channel < channels; channel++, sample++) {
1799 dest[channel][wide_sample] = scbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1800 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1801 dest[channel][wide_sample] |= ucbuffer_[byte++];
1810 #ifdef FLAC__HAS_OGG
1811 FLAC__StreamEncoderWriteStatus ogg_stream_encoder_write_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
1813 EncoderSession *encoder_session = (EncoderSession*)client_data;
1817 encoder_session->bytes_written += bytes;
1819 * With Ogg FLAC we don't get one write callback per frame and
1820 * we don't have a good number for 'samples', so we estimate based
1821 * on the frame number and the knowledge that all blocks (except
1822 * the last) are the same size.
1825 encoder_session->samples_written = (current_frame+1) * encoder_session->blocksize;
1827 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1828 print_stats(encoder_session);
1830 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1831 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1833 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1836 void ogg_stream_encoder_metadata_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
1838 // do nothing, for compatibilty. soon we will be using the ogg file encoder anyway.
1839 (void)encoder, (void)metadata, (void)client_data;
1842 void ogg_file_encoder_progress_callback(const OggFLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
1844 EncoderSession *encoder_session = (EncoderSession*)client_data;
1849 * With Ogg FLAC we don't get a value for 'samples_written', so we
1850 * estimate based on the frames written and the knowledge that all
1851 * blocks (except the last) are the same size.
1853 samples_written = frames_written * encoder_session->blocksize;
1854 flac_file_encoder_progress_callback(0, bytes_written, samples_written, frames_written, total_frames_estimate, client_data);
1859 FLAC__StreamEncoderWriteStatus flac_stream_encoder_write_callback(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
1861 EncoderSession *encoder_session = (EncoderSession*)client_data;
1865 encoder_session->bytes_written += bytes;
1866 encoder_session->samples_written += samples;
1868 if(samples && encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1869 print_stats(encoder_session);
1871 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1872 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1874 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1877 void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
1880 * Nothing to do; if we get here, we're decoding to stdout, in
1881 * which case we can't seek backwards to write new metadata.
1883 (void)encoder, (void)metadata, (void)client_data;
1886 void flac_file_encoder_progress_callback(const FLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
1888 EncoderSession *encoder_session = (EncoderSession*)client_data;
1890 (void)encoder, (void)total_frames_estimate;
1892 encoder_session->bytes_written = bytes_written;
1893 encoder_session->samples_written = samples_written;
1895 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !((frames_written-1) & encoder_session->stats_mask))
1896 print_stats(encoder_session);
1899 FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset, FLAC__bool silent)
1902 unsigned last_line_read;
1903 const char *error_message;
1905 if(0 == cuesheet_filename)
1908 if(lead_out_offset == 0) {
1909 if(!silent) fprintf(stderr, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknown\n", inbasefilename);
1913 if(0 == (f = fopen(cuesheet_filename, "r"))) {
1914 if(!silent) fprintf(stderr, "%s: ERROR opening cuesheet \"%s\" for reading\n", inbasefilename, cuesheet_filename);
1918 *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, is_cdda, lead_out_offset);
1922 if(0 == *cuesheet) {
1923 if(!silent) fprintf(stderr, "%s: ERROR parsing cuesheet \"%s\" on line %u: %s\n", inbasefilename, cuesheet_filename, last_line_read, error_message);
1930 void print_stats(const EncoderSession *encoder_session)
1932 const FLAC__uint64 samples_written = min(encoder_session->total_samples_to_encode, encoder_session->samples_written);
1933 #if defined _MSC_VER || defined __MINGW32__
1934 /* with VC++ you have to spoon feed it the casting */
1935 const double progress = (double)(FLAC__int64)samples_written / (double)(FLAC__int64)encoder_session->total_samples_to_encode;
1936 const double ratio = (double)(FLAC__int64)encoder_session->bytes_written / ((double)(FLAC__int64)encoder_session->unencoded_size * min(1.0, progress));
1938 const double progress = (double)samples_written / (double)encoder_session->total_samples_to_encode;
1939 const double ratio = (double)encoder_session->bytes_written / ((double)encoder_session->unencoded_size * min(1.0, progress));
1942 if(encoder_session->silent)
1945 if(samples_written == encoder_session->total_samples_to_encode) {
1946 fprintf(stderr, "\r%s:%s wrote %u bytes, ratio=%0.3f",
1947 encoder_session->inbasefilename,
1948 encoder_session->verify? " Verify OK," : "",
1949 (unsigned)encoder_session->bytes_written,
1954 fprintf(stderr, "\r%s: %u%% complete, ratio=%0.3f", encoder_session->inbasefilename, (unsigned)floor(progress * 100.0 + 0.5), ratio);
1958 void print_error_with_state(const EncoderSession *e, const char *message)
1960 const int ilen = strlen(e->inbasefilename) + 1;
1961 const char *state_string;
1966 fprintf(stderr, "\n%s: %s\n", e->inbasefilename, message);
1968 #ifdef FLAC__HAS_OGG
1971 state_string = OggFLAC__stream_encoder_get_resolved_state_string(e->encoder.ogg.stream);
1974 state_string = OggFLAC__file_encoder_get_resolved_state_string(e->encoder.ogg.file);
1980 state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder.flac.stream);
1983 state_string = FLAC__file_encoder_get_resolved_state_string(e->encoder.flac.file);
1986 fprintf(stderr, "%*s state = %s\n", ilen, "", state_string);
1989 void print_verify_error(EncoderSession *e)
1991 FLAC__uint64 absolute_sample;
1992 unsigned frame_number;
1995 FLAC__int32 expected;
2001 #ifdef FLAC__HAS_OGG
2004 OggFLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.ogg.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
2007 OggFLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.ogg.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
2013 FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.flac.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
2016 FLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.flac.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
2019 fprintf(stderr, "%s: ERROR: mismatch in decoded data, verify FAILED!\n", e->inbasefilename);
2020 fprintf(stderr, " Absolute sample=%u, frame=%u, channel=%u, sample=%u, expected %d, got %d\n", (unsigned)absolute_sample, frame_number, channel, sample, expected, got);
2021 fprintf(stderr, " Please submit a bug report to\n");
2022 fprintf(stderr, " http://sourceforge.net/bugs/?func=addbug&group_id=13478\n");
2023 fprintf(stderr, " Make sure to include an email contact in the comment and/or use the\n");
2024 fprintf(stderr, " \"Monitor\" feature to monitor the bug status.\n");
2025 fprintf(stderr, "Verify FAILED! Do not trust %s\n", e->outfilename);
2028 FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent)
2030 size_t bytes_read = fread(val, 1, 2, f);
2032 if(bytes_read == 0) {
2034 if(!silent) fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2040 else if(bytes_read < 2) {
2041 if(!silent) fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2045 if(is_big_endian_host_) {
2046 FLAC__byte tmp, *b = (FLAC__byte*)val;
2047 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
2053 FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent)
2055 size_t bytes_read = fread(val, 1, 4, f);
2057 if(bytes_read == 0) {
2059 if(!silent) fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2065 else if(bytes_read < 4) {
2066 if(!silent) fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2070 if(is_big_endian_host_) {
2071 FLAC__byte tmp, *b = (FLAC__byte*)val;
2072 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
2073 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
2079 FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent)
2081 unsigned char buf[4];
2082 size_t bytes_read= fread(buf, 1, 2, f);
2084 if(bytes_read==0U && eof_ok)
2086 else if(bytes_read<2U) {
2087 if(!silent) fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2091 /* this is independent of host endianness */
2092 *val= (FLAC__uint16)(buf[0])<<8 | buf[1];
2097 FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent)
2099 unsigned char buf[4];
2100 size_t bytes_read= fread(buf, 1, 4, f);
2102 if(bytes_read==0U && eof_ok)
2104 else if(bytes_read<4U) {
2105 if(!silent) fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2109 /* this is independent of host endianness */
2110 *val= (FLAC__uint32)(buf[0])<<24 | (FLAC__uint32)(buf[1])<<16 |
2111 (FLAC__uint32)(buf[2])<<8 | buf[3];
2116 FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn, FLAC__bool silent)
2117 /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f',
2118 * convert it into an integral value and store in 'val'. Return false if only
2119 * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f' and 'eof_ok' is
2120 * false, or if the value is negative, between zero and one, or too large to be
2121 * represented by 'val'; return true otherwise.
2125 unsigned char buf[10];
2126 size_t bytes_read= fread(buf, 1U, 10U, f);
2127 FLAC__int16 e= ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF;
2128 FLAC__int16 shift= 63-e;
2131 if(bytes_read==0U && eof_ok)
2133 else if(bytes_read<10U) {
2134 if(!silent) fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2137 else if((buf[0]>>7)==1U || e<0 || e>63) {
2138 if(!silent) fprintf(stderr, "%s: ERROR: invalid floating-point value\n", fn);
2142 for(i= 0U; i<8U; ++i)
2143 p|= (FLAC__uint64)(buf[i+2])<<(56U-i*8);
2144 *val= (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1));