1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003 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))
49 /* this MUST be >= 588 so that sector aligning can take place with one read */
50 #define CHUNK_OF_SAMPLES 2048
59 const char *inbasefilename;
60 const char *outfilename;
63 FLAC__uint64 until; /* a value of 0 mean end-of-stream (i.e. --until=-0) */
64 FLAC__bool replay_gain;
66 unsigned bits_per_sample;
68 FLAC__uint64 unencoded_size;
69 FLAC__uint64 total_samples_to_encode;
70 FLAC__uint64 bytes_written;
71 FLAC__uint64 samples_written;
76 * We use flac.stream for encoding native FLAC to stdout
77 * We use flac.file for encoding native FLAC to a regular file
78 * We use ogg.stream for encoding Ogg FLAC to either stdout or a regular file
82 FLAC__StreamEncoder *stream;
83 FLAC__FileEncoder *file;
87 OggFLAC__StreamEncoder *stream;
88 OggFLAC__FileEncoder *file;
95 FLAC__StreamMetadata *seek_table_template;
99 static FLAC__bool is_big_endian_host_;
101 static unsigned char ucbuffer_[CHUNK_OF_SAMPLES*FLAC__MAX_CHANNELS*((FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE+7)/8)];
102 static signed char *scbuffer_ = (signed char *)ucbuffer_;
103 static FLAC__uint16 *usbuffer_ = (FLAC__uint16 *)ucbuffer_;
104 static FLAC__int16 *ssbuffer_ = (FLAC__int16 *)ucbuffer_;
106 static FLAC__int32 in_[FLAC__MAX_CHANNELS][CHUNK_OF_SAMPLES];
107 static FLAC__int32 *input_[FLAC__MAX_CHANNELS];
111 * unpublished debug routines from the FLAC libs
113 extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
114 extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
115 extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
116 extern FLAC__bool FLAC__file_encoder_disable_constant_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
117 extern FLAC__bool FLAC__file_encoder_disable_fixed_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
118 extern FLAC__bool FLAC__file_encoder_disable_verbatim_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
120 extern FLAC__bool OggFLAC__stream_encoder_disable_constant_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
121 extern FLAC__bool OggFLAC__stream_encoder_disable_fixed_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
122 extern FLAC__bool OggFLAC__stream_encoder_disable_verbatim_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
123 extern FLAC__bool OggFLAC__file_encoder_disable_constant_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
124 extern FLAC__bool OggFLAC__file_encoder_disable_fixed_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
125 extern FLAC__bool OggFLAC__file_encoder_disable_verbatim_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
131 static FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FLAC__bool verbose, FILE *infile, const char *infilename, const char *outfilename);
132 static void EncoderSession_destroy(EncoderSession *e);
133 static int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero);
134 static int EncoderSession_finish_error(EncoderSession *e);
135 static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate);
136 static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples);
137 static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e);
138 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
139 static void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps);
141 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);
142 static void ogg_stream_encoder_metadata_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
143 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);
145 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);
146 static void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
147 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);
148 static FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__uint64 lead_out_offset);
149 static void print_stats(const EncoderSession *encoder_session);
150 static void print_error_with_state(const EncoderSession *e, const char *message);
151 static void print_verify_error(EncoderSession *e);
152 static FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
153 static FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
154 static FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
155 static FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
156 static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
162 flac__encode_aif(FILE *infile, long infilesize, const char *infilename, const char *outfilename,
163 const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
165 EncoderSession encoder_session;
168 unsigned int channels= 0U, bps= 0U, sample_rate= 0U, sample_frames= 0U;
169 FLAC__bool got_comm_chunk= false, got_ssnd_chunk= false;
170 int info_align_carry= -1, info_align_zero= -1;
172 (void)infilesize; /* silence compiler warning about unused parameter */
173 (void)lookahead; /* silence compiler warning about unused parameter */
174 (void)lookahead_length; /* silence compiler warning about unused parameter */
177 EncoderSession_construct(
180 options.common.use_ogg,
184 options.common.verify,
185 options.common.verbose,
193 /* lookahead[] already has "FORMxxxxAIFF", do sub-chunks */
199 /* chunk identifier; really conservative about behavior of fread() and feof() */
200 if(feof(infile) || ((c= fread(chunk_id, 1U, 4U, infile)), c==0U && feof(infile)))
202 else if(c<4U || feof(infile)) {
203 fprintf(stderr, "%s: ERROR: incomplete chunk identifier\n", encoder_session.inbasefilename);
204 return EncoderSession_finish_error(&encoder_session);
207 if(got_comm_chunk==false && !strncmp(chunk_id, "COMM", 4)) { /* common chunk */
210 /* COMM chunk size */
211 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
212 return EncoderSession_finish_error(&encoder_session);
214 fprintf(stderr, "%s: ERROR: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
215 return EncoderSession_finish_error(&encoder_session);
218 fprintf(stderr, "%s: WARNING: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
219 skip= (xx-18U)+(xx & 1U);
221 /* number of channels */
222 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
223 return EncoderSession_finish_error(&encoder_session);
224 else if(x==0U || x>FLAC__MAX_CHANNELS) {
225 fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned int)x);
226 return EncoderSession_finish_error(&encoder_session);
228 else if(options.common.sector_align && x!=2U) {
229 fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
230 return EncoderSession_finish_error(&encoder_session);
234 /* number of sample frames */
235 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
236 return EncoderSession_finish_error(&encoder_session);
239 /* bits per sample */
240 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
241 return EncoderSession_finish_error(&encoder_session);
242 else if(x!=8U && x!=16U && x!=24U) {
243 fprintf(stderr, "%s: ERROR: unsupported bits per sample %u\n", encoder_session.inbasefilename, (unsigned int)x);
244 return EncoderSession_finish_error(&encoder_session);
246 else if(options.common.sector_align && x!=16U) {
247 fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
248 return EncoderSession_finish_error(&encoder_session);
253 if(!read_sane_extended(infile, &xx, false, encoder_session.inbasefilename))
254 return EncoderSession_finish_error(&encoder_session);
255 else if(!FLAC__format_sample_rate_is_valid(xx)) {
256 fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned int)xx);
257 return EncoderSession_finish_error(&encoder_session);
259 else if(options.common.sector_align && xx!=44100U) {
260 fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)xx);
261 return EncoderSession_finish_error(&encoder_session);
265 /* skip any extra data in the COMM chunk */
266 FLAC__ASSERT(skip<=LONG_MAX);
267 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
268 unsigned int need= min(skip, sizeof ucbuffer_);
269 if(fread(ucbuffer_, 1U, need, infile)<need) {
270 fprintf(stderr, "%s: ERROR during read while skipping extra COMM data\n", encoder_session.inbasefilename);
271 return EncoderSession_finish_error(&encoder_session);
277 * now that we know the sample rate, canonicalize the
278 * --skip string to a number of samples:
280 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
281 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
282 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
283 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
285 got_comm_chunk= true;
287 else if(got_ssnd_chunk==false && !strncmp(chunk_id, "SSND", 4)) { /* sound data chunk */
288 unsigned int offset= 0U, block_size= 0U, align_remainder= 0U, data_bytes;
289 size_t bytes_per_frame= channels*(bps>>3);
290 FLAC__uint64 total_samples_in_input, trim = 0;
291 FLAC__bool pad= false;
293 if(got_comm_chunk==false) {
294 fprintf(stderr, "%s: ERROR: got 'SSND' chunk before 'COMM' chunk\n", encoder_session.inbasefilename);
295 return EncoderSession_finish_error(&encoder_session);
298 /* SSND chunk size */
299 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
300 return EncoderSession_finish_error(&encoder_session);
301 else if(xx!=(sample_frames*bytes_per_frame + 8U)) {
302 fprintf(stderr, "%s: ERROR: SSND chunk size inconsistent with sample frame count\n", encoder_session.inbasefilename);
303 return EncoderSession_finish_error(&encoder_session);
306 pad= (data_bytes & 1U) ? true : false;
307 data_bytes-= 8U; /* discount the offset and block size fields */
310 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
311 return EncoderSession_finish_error(&encoder_session);
313 fprintf(stderr, "%s: ERROR: offset is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
314 return EncoderSession_finish_error(&encoder_session);
319 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
320 return EncoderSession_finish_error(&encoder_session);
322 fprintf(stderr, "%s: ERROR: block size is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
323 return EncoderSession_finish_error(&encoder_session);
327 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
328 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
329 total_samples_in_input = data_bytes / bytes_per_frame + *options.common.align_reservoir_samples;
332 * now that we know the input size, canonicalize the
333 * --until string to an absolute sample number:
335 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
336 return EncoderSession_finish_error(&encoder_session);
337 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
338 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
340 if(encoder_session.skip>0U) {
341 FLAC__uint64 remaining= encoder_session.skip*bytes_per_frame;
343 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
344 /* is guaranteed to be less than LONG_MAX */
347 unsigned long skip= (unsigned long)(remaining % (1U<<30));
349 FLAC__ASSERT(skip<=LONG_MAX);
350 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
351 unsigned int need= min(skip, sizeof ucbuffer_);
352 if(fread(ucbuffer_, 1U, need, infile)<need) {
353 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
354 return EncoderSession_finish_error(&encoder_session);
363 data_bytes-= (unsigned int)encoder_session.skip*bytes_per_frame; /*@@@ WATCHOUT: 4GB limit */
364 encoder_session.total_samples_to_encode= total_samples_in_input - encoder_session.skip;
365 if(encoder_session.until > 0) {
366 trim = total_samples_in_input - encoder_session.until;
367 FLAC__ASSERT(total_samples_in_input > 0);
368 FLAC__ASSERT(!options.common.sector_align);
369 data_bytes-= (unsigned int)trim*bytes_per_frame;
370 encoder_session.total_samples_to_encode-= trim;
372 if(options.common.sector_align) {
373 align_remainder= (unsigned int)(encoder_session.total_samples_to_encode % 588U);
374 if(options.common.is_last_file)
375 encoder_session.total_samples_to_encode+= (588U-align_remainder); /* will pad with zeroes */
377 encoder_session.total_samples_to_encode-= align_remainder; /* will stop short and carry over to next file */
380 /* +54 for the size of the AIFF headers; this is just an estimate for the progress indicator and doesn't need to be exact */
381 encoder_session.unencoded_size= encoder_session.total_samples_to_encode*bytes_per_frame+54;
383 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
384 return EncoderSession_finish_error(&encoder_session);
386 /* first do any samples in the reservoir */
387 if(options.common.sector_align && *options.common.align_reservoir_samples>0U) {
389 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
390 print_error_with_state(&encoder_session, "ERROR during encoding");
391 return EncoderSession_finish_error(&encoder_session);
395 /* decrement the data_bytes counter if we need to align the file */
396 if(options.common.sector_align) {
397 if(options.common.is_last_file)
398 *options.common.align_reservoir_samples= 0U;
400 *options.common.align_reservoir_samples= align_remainder;
401 data_bytes-= (*options.common.align_reservoir_samples)*bytes_per_frame;
405 /* now do from the file */
406 while(data_bytes>0) {
407 size_t bytes_read= fread(ucbuffer_, 1U, min(data_bytes, CHUNK_OF_SAMPLES*bytes_per_frame), infile);
411 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
412 return EncoderSession_finish_error(&encoder_session);
414 else if(feof(infile)) {
415 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);
420 if(bytes_read % bytes_per_frame != 0U) {
421 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
422 return EncoderSession_finish_error(&encoder_session);
425 unsigned int frames= bytes_read/bytes_per_frame;
426 format_input(input_, frames, true, false, channels, bps);
428 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, frames)) {
429 print_error_with_state(&encoder_session, "ERROR during encoding");
430 return EncoderSession_finish_error(&encoder_session);
433 data_bytes-= bytes_read;
439 FLAC__uint64 remaining= (unsigned int)trim*bytes_per_frame;
441 FLAC__ASSERT(!options.common.sector_align);
443 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
444 /* is guaranteed to be less than LONG_MAX */
447 unsigned long skip= (unsigned long)(remaining % (1U<<30));
449 FLAC__ASSERT(skip<=LONG_MAX);
450 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
451 unsigned int need= min(skip, sizeof ucbuffer_);
452 if(fread(ucbuffer_, 1U, need, infile)<need) {
453 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
454 return EncoderSession_finish_error(&encoder_session);
463 /* now read unaligned samples into reservoir or pad with zeroes if necessary */
464 if(options.common.sector_align) {
465 if(options.common.is_last_file) {
466 unsigned int pad_frames= 588U-align_remainder;
468 if(pad_frames<588U) {
471 info_align_zero= pad_frames;
472 for(i= 0U; i<channels; ++i)
473 memset(input_[i], 0, pad_frames*(bps>>3));
475 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, pad_frames)) {
476 print_error_with_state(&encoder_session, "ERROR during encoding");
477 return EncoderSession_finish_error(&encoder_session);
482 if(*options.common.align_reservoir_samples > 0) {
483 size_t bytes_read= fread(ucbuffer_, 1U, (*options.common.align_reservoir_samples)*bytes_per_frame, infile);
485 FLAC__ASSERT(CHUNK_OF_SAMPLES>=588U);
486 if(bytes_read==0U && ferror(infile)) {
487 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
488 return EncoderSession_finish_error(&encoder_session);
490 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_frame)
491 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);
493 info_align_carry= *options.common.align_reservoir_samples;
494 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, true, false, channels, bps);
503 if(fread(&tmp, 1U, 1U, infile)<1U) {
504 fprintf(stderr, "%s: ERROR during read of SSND pad byte\n", encoder_session.inbasefilename);
505 return EncoderSession_finish_error(&encoder_session);
509 got_ssnd_chunk= true;
511 else { /* other chunk */
512 if(!strncmp(chunk_id, "COMM", 4))
513 fprintf(stderr, "%s: WARNING: skipping extra 'COMM' chunk\n", encoder_session.inbasefilename);
514 else if(!strncmp(chunk_id, "SSND", 4))
515 fprintf(stderr, "%s: WARNING: skipping extra 'SSND' chunk\n", encoder_session.inbasefilename);
517 fprintf(stderr, "%s: WARNING: skipping unknown chunk '%s'\n", encoder_session.inbasefilename, chunk_id);
520 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
521 return EncoderSession_finish_error(&encoder_session);
523 unsigned long skip= xx+(xx & 1U);
525 FLAC__ASSERT(skip<=LONG_MAX);
526 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
527 unsigned int need= min(skip, sizeof ucbuffer_);
528 if(fread(ucbuffer_, 1U, need, infile)<need) {
529 fprintf(stderr, "%s: ERROR during read while skipping unknown chunk\n", encoder_session.inbasefilename);
530 return EncoderSession_finish_error(&encoder_session);
538 if(got_ssnd_chunk==false && sample_frames!=0U) {
539 fprintf(stderr, "%s: ERROR: missing SSND chunk\n", encoder_session.inbasefilename);
540 return EncoderSession_finish_error(&encoder_session);
543 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
546 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)
548 EncoderSession encoder_session;
549 FLAC__bool is_unsigned_samples = false;
550 unsigned channels = 0, bps = 0, sample_rate = 0, data_bytes;
551 size_t bytes_per_wide_sample, bytes_read;
554 FLAC__bool got_fmt_chunk = false, got_data_chunk = false;
555 unsigned align_remainder = 0;
556 int info_align_carry = -1, info_align_zero = -1;
560 (void)lookahead_length;
563 EncoderSession_construct(
566 options.common.use_ogg,
570 options.common.verify,
571 options.common.verbose,
580 * lookahead[] already has "RIFFxxxxWAVE", do sub-chunks
582 while(!feof(infile)) {
583 if(!read_little_endian_uint32(infile, &xx, true, encoder_session.inbasefilename))
584 return EncoderSession_finish_error(&encoder_session);
587 if(xx == 0x20746d66 && !got_fmt_chunk) { /* "fmt " */
588 unsigned block_align;
590 /* fmt sub-chunk size */
591 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
592 return EncoderSession_finish_error(&encoder_session);
594 fprintf(stderr, "%s: ERROR: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
595 return EncoderSession_finish_error(&encoder_session);
597 else if(xx != 16 && xx != 18) {
598 fprintf(stderr, "%s: WARNING: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
601 /* compression code */
602 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
603 return EncoderSession_finish_error(&encoder_session);
605 fprintf(stderr, "%s: ERROR: unsupported compression type %u\n", encoder_session.inbasefilename, (unsigned)x);
606 return EncoderSession_finish_error(&encoder_session);
608 /* number of channels */
609 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
610 return EncoderSession_finish_error(&encoder_session);
611 if(x == 0 || x > FLAC__MAX_CHANNELS) {
612 fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned)x);
613 return EncoderSession_finish_error(&encoder_session);
615 else if(options.common.sector_align && x != 2) {
616 fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
617 return EncoderSession_finish_error(&encoder_session);
621 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
622 return EncoderSession_finish_error(&encoder_session);
623 if(!FLAC__format_sample_rate_is_valid(xx)) {
624 fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned)xx);
625 return EncoderSession_finish_error(&encoder_session);
627 else if(options.common.sector_align && xx != 44100) {
628 fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned)xx);
629 return EncoderSession_finish_error(&encoder_session);
632 /* avg bytes per second (ignored) */
633 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
634 return EncoderSession_finish_error(&encoder_session);
636 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
637 return EncoderSession_finish_error(&encoder_session);
639 /* bits per sample */
640 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
641 return EncoderSession_finish_error(&encoder_session);
642 if(x != 8 && x != 16 && x != 24) {
643 fprintf(stderr, "%s: ERROR: unsupported bits-per-sample %u\n", encoder_session.inbasefilename, (unsigned)x);
644 return EncoderSession_finish_error(&encoder_session);
646 else if(options.common.sector_align && x != 16) {
647 fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
648 return EncoderSession_finish_error(&encoder_session);
651 if(bps * channels != block_align * 8) {
652 fprintf(stderr, "%s: ERROR: unsupported block alignment (%u), for bits-per-sample=%u, channels=%u\n", encoder_session.inbasefilename, block_align, bps, channels);
653 return EncoderSession_finish_error(&encoder_session);
655 is_unsigned_samples = (x == 8);
657 /* skip any extra data in the fmt sub-chunk */
661 for(left = data_bytes; left > 0; ) {
662 need = min(left, CHUNK_OF_SAMPLES);
663 if(fread(ucbuffer_, 1U, need, infile) < need) {
664 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
665 return EncoderSession_finish_error(&encoder_session);
672 * now that we know the sample rate, canonicalize the
673 * --skip string to a number of samples:
675 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
676 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
677 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
678 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
680 got_fmt_chunk = true;
682 else if(xx == 0x61746164 && !got_data_chunk && got_fmt_chunk) { /* "data" */
683 FLAC__uint64 total_samples_in_input, trim = 0;
686 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
687 return EncoderSession_finish_error(&encoder_session);
690 bytes_per_wide_sample = channels * (bps >> 3);
692 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
693 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
694 total_samples_in_input = data_bytes / bytes_per_wide_sample + *options.common.align_reservoir_samples;
697 * now that we know the input size, canonicalize the
698 * --until string to an absolute sample number:
700 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
701 return EncoderSession_finish_error(&encoder_session);
702 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
703 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
705 if(encoder_session.skip > 0) {
706 if(fseek(infile, bytes_per_wide_sample * (unsigned)encoder_session.skip, SEEK_CUR) < 0) {
707 /* can't seek input, read ahead manually... */
709 for(left = (unsigned)encoder_session.skip; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
710 need = min(left, CHUNK_OF_SAMPLES);
711 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
712 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
713 return EncoderSession_finish_error(&encoder_session);
720 data_bytes -= (unsigned)encoder_session.skip * bytes_per_wide_sample; /*@@@ WATCHOUT: 4GB limit */
721 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
722 if(encoder_session.until > 0) {
723 trim = total_samples_in_input - encoder_session.until;
724 FLAC__ASSERT(total_samples_in_input > 0);
725 FLAC__ASSERT(!options.common.sector_align);
726 data_bytes -= (unsigned int)trim * bytes_per_wide_sample;
727 encoder_session.total_samples_to_encode -= trim;
729 if(options.common.sector_align) {
730 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
731 if(options.common.is_last_file)
732 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
734 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
737 /* +44 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
738 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample + 44;
740 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
741 return EncoderSession_finish_error(&encoder_session);
744 * first do any samples in the reservoir
746 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
747 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
748 print_error_with_state(&encoder_session, "ERROR during encoding");
749 return EncoderSession_finish_error(&encoder_session);
754 * decrement the data_bytes counter if we need to align the file
756 if(options.common.sector_align) {
757 if(options.common.is_last_file) {
758 *options.common.align_reservoir_samples = 0;
761 *options.common.align_reservoir_samples = align_remainder;
762 data_bytes -= (*options.common.align_reservoir_samples) * bytes_per_wide_sample;
767 * now do from the file
769 while(data_bytes > 0) {
770 bytes_read = fread(ucbuffer_, sizeof(unsigned char), min(data_bytes, CHUNK_OF_SAMPLES * bytes_per_wide_sample), infile);
771 if(bytes_read == 0) {
773 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
774 return EncoderSession_finish_error(&encoder_session);
776 else if(feof(infile)) {
777 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);
782 if(bytes_read % bytes_per_wide_sample != 0) {
783 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
784 return EncoderSession_finish_error(&encoder_session);
787 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
788 format_input(input_, wide_samples, false, is_unsigned_samples, channels, bps);
790 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
791 print_error_with_state(&encoder_session, "ERROR during encoding");
792 return EncoderSession_finish_error(&encoder_session);
794 data_bytes -= bytes_read;
800 if(fseek(infile, bytes_per_wide_sample * (unsigned)trim, SEEK_CUR) < 0) {
801 /* can't seek input, read ahead manually... */
803 for(left = (unsigned)trim; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
804 need = min(left, CHUNK_OF_SAMPLES);
805 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
806 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
807 return EncoderSession_finish_error(&encoder_session);
815 * now read unaligned samples into reservoir or pad with zeroes if necessary
817 if(options.common.sector_align) {
818 if(options.common.is_last_file) {
819 unsigned wide_samples = 588 - align_remainder;
820 if(wide_samples < 588) {
823 info_align_zero = wide_samples;
824 data_bytes = wide_samples * (bps >> 3);
825 for(channel = 0; channel < channels; channel++)
826 memset(input_[channel], 0, data_bytes);
828 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
829 print_error_with_state(&encoder_session, "ERROR during encoding");
830 return EncoderSession_finish_error(&encoder_session);
835 if(*options.common.align_reservoir_samples > 0) {
836 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
837 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
838 if(bytes_read == 0 && ferror(infile)) {
839 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
840 return EncoderSession_finish_error(&encoder_session);
842 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
843 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);
847 info_align_carry = *options.common.align_reservoir_samples;
848 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, is_unsigned_samples, channels, bps);
854 got_data_chunk = true;
857 if(xx == 0x20746d66 && got_fmt_chunk) { /* "fmt " */
858 fprintf(stderr, "%s: WARNING: skipping extra 'fmt ' sub-chunk\n", encoder_session.inbasefilename);
860 else if(xx == 0x61746164) { /* "data" */
862 fprintf(stderr, "%s: WARNING: skipping extra 'data' sub-chunk\n", encoder_session.inbasefilename);
864 else if(!got_fmt_chunk) {
865 fprintf(stderr, "%s: ERROR: got 'data' sub-chunk before 'fmt' sub-chunk\n", encoder_session.inbasefilename);
866 return EncoderSession_finish_error(&encoder_session);
873 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));
876 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
877 return EncoderSession_finish_error(&encoder_session);
878 if(fseek(infile, xx, SEEK_CUR) < 0) {
879 /* can't seek input, read ahead manually... */
881 const unsigned chunk = sizeof(ucbuffer_);
882 for(left = xx; left > 0; ) {
883 need = min(left, chunk);
884 if(fread(ucbuffer_, 1, need, infile) < need) {
885 fprintf(stderr, "%s: ERROR during read while skipping unsupported sub-chunk\n", encoder_session.inbasefilename);
886 return EncoderSession_finish_error(&encoder_session);
894 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
897 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)
899 EncoderSession encoder_session;
901 const size_t bytes_per_wide_sample = options.channels * (options.bps >> 3);
902 unsigned align_remainder = 0;
903 int info_align_carry = -1, info_align_zero = -1;
904 FLAC__uint64 total_samples_in_input = 0;;
906 FLAC__ASSERT(!options.common.sector_align || options.channels == 2);
907 FLAC__ASSERT(!options.common.sector_align || options.bps == 16);
908 FLAC__ASSERT(!options.common.sector_align || options.sample_rate == 44100);
909 FLAC__ASSERT(!options.common.sector_align || infilesize >= 0);
910 FLAC__ASSERT(!options.common.replay_gain || options.channels <= 2);
911 FLAC__ASSERT(!options.common.replay_gain || grabbag__replaygain_is_valid_sample_frequency(options.sample_rate));
914 EncoderSession_construct(
917 options.common.use_ogg,
921 options.common.verify,
922 options.common.verbose,
931 * now that we know the sample rate, canonicalize the
932 * --skip string to a number of samples:
934 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, options.sample_rate);
935 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
936 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
937 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
940 total_samples_in_input = 0;
942 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
943 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
944 total_samples_in_input = (unsigned)infilesize / bytes_per_wide_sample + *options.common.align_reservoir_samples;
948 * now that we know the input size, canonicalize the
949 * --until strings to a number of samples:
951 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, options.sample_rate, encoder_session.skip, total_samples_in_input))
952 return EncoderSession_finish_error(&encoder_session);
953 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
954 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
956 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
957 if(encoder_session.until > 0) {
958 const FLAC__uint64 trim = total_samples_in_input - encoder_session.until;
959 FLAC__ASSERT(total_samples_in_input > 0);
960 FLAC__ASSERT(!options.common.sector_align);
961 encoder_session.total_samples_to_encode -= trim;
963 if(infilesize >= 0 && options.common.sector_align) {
964 FLAC__ASSERT(encoder_session.skip == 0);
965 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
966 if(options.common.is_last_file)
967 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
969 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
971 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
973 if(encoder_session.verbose && encoder_session.total_samples_to_encode <= 0)
974 fprintf(stderr, "(No runtime statistics possible; please wait for encoding to finish...)\n");
976 if(encoder_session.skip > 0) {
977 unsigned skip_bytes = bytes_per_wide_sample * (unsigned)encoder_session.skip;
978 if(skip_bytes > lookahead_length) {
979 skip_bytes -= lookahead_length;
980 lookahead_length = 0;
981 if(fseek(infile, (long)skip_bytes, SEEK_CUR) < 0) {
982 /* can't seek input, read ahead manually... */
984 const unsigned chunk = sizeof(ucbuffer_);
985 for(left = skip_bytes; left > 0; ) {
986 need = min(left, chunk);
987 if(fread(ucbuffer_, 1, need, infile) < need) {
988 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
989 return EncoderSession_finish_error(&encoder_session);
996 lookahead += skip_bytes;
997 lookahead_length -= skip_bytes;
1001 if(!EncoderSession_init_encoder(&encoder_session, options.common, options.channels, options.bps, options.sample_rate))
1002 return EncoderSession_finish_error(&encoder_session);
1005 * first do any samples in the reservoir
1007 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
1008 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
1009 print_error_with_state(&encoder_session, "ERROR during encoding");
1010 return EncoderSession_finish_error(&encoder_session);
1015 * decrement infilesize if we need to align the file
1017 if(options.common.sector_align) {
1018 FLAC__ASSERT(infilesize >= 0);
1019 if(options.common.is_last_file) {
1020 *options.common.align_reservoir_samples = 0;
1023 *options.common.align_reservoir_samples = align_remainder;
1024 infilesize -= (long)((*options.common.align_reservoir_samples) * bytes_per_wide_sample);
1025 FLAC__ASSERT(infilesize >= 0);
1030 * now do from the file
1032 if(infilesize < 0) {
1033 while(!feof(infile)) {
1034 if(lookahead_length > 0) {
1035 FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1036 memcpy(ucbuffer_, lookahead, lookahead_length);
1037 bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample - lookahead_length, infile) + lookahead_length;
1038 if(ferror(infile)) {
1039 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1040 return EncoderSession_finish_error(&encoder_session);
1042 lookahead_length = 0;
1045 bytes_read = fread(ucbuffer_, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
1047 if(bytes_read == 0) {
1048 if(ferror(infile)) {
1049 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1050 return EncoderSession_finish_error(&encoder_session);
1053 else if(bytes_read % bytes_per_wide_sample != 0) {
1054 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1055 return EncoderSession_finish_error(&encoder_session);
1058 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1059 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1061 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1062 print_error_with_state(&encoder_session, "ERROR during encoding");
1063 return EncoderSession_finish_error(&encoder_session);
1069 const FLAC__uint64 max_input_bytes = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
1070 FLAC__uint64 total_input_bytes_read = 0;
1071 while(total_input_bytes_read < max_input_bytes) {
1073 size_t wanted = (CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1074 wanted = min(wanted, (size_t)(max_input_bytes - total_input_bytes_read));
1076 if(lookahead_length > 0) {
1077 FLAC__ASSERT(lookahead_length <= wanted);
1078 memcpy(ucbuffer_, lookahead, lookahead_length);
1079 wanted -= lookahead_length;
1080 bytes_read = lookahead_length;
1082 bytes_read += fread(ucbuffer_+lookahead_length, sizeof(unsigned char), wanted, infile);
1083 if(ferror(infile)) {
1084 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1085 return EncoderSession_finish_error(&encoder_session);
1088 lookahead_length = 0;
1091 bytes_read = fread(ucbuffer_, sizeof(unsigned char), wanted, infile);
1094 if(bytes_read == 0) {
1095 if(ferror(infile)) {
1096 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1097 return EncoderSession_finish_error(&encoder_session);
1099 else if(feof(infile)) {
1100 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);
1101 total_input_bytes_read = max_input_bytes;
1105 if(bytes_read % bytes_per_wide_sample != 0) {
1106 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1107 return EncoderSession_finish_error(&encoder_session);
1110 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1111 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1113 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1114 print_error_with_state(&encoder_session, "ERROR during encoding");
1115 return EncoderSession_finish_error(&encoder_session);
1117 total_input_bytes_read += bytes_read;
1124 * now read unaligned samples into reservoir or pad with zeroes if necessary
1126 if(options.common.sector_align) {
1127 if(options.common.is_last_file) {
1128 unsigned wide_samples = 588 - align_remainder;
1129 if(wide_samples < 588) {
1130 unsigned channel, data_bytes;
1132 info_align_zero = wide_samples;
1133 data_bytes = wide_samples * (options.bps >> 3);
1134 for(channel = 0; channel < options.channels; channel++)
1135 memset(input_[channel], 0, data_bytes);
1137 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1138 print_error_with_state(&encoder_session, "ERROR during encoding");
1139 return EncoderSession_finish_error(&encoder_session);
1144 if(*options.common.align_reservoir_samples > 0) {
1145 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
1146 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
1147 if(bytes_read == 0 && ferror(infile)) {
1148 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1149 return EncoderSession_finish_error(&encoder_session);
1151 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
1152 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);
1155 info_align_carry = *options.common.align_reservoir_samples;
1156 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, options.is_unsigned_samples, options.channels, options.bps);
1162 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
1165 FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FLAC__bool verbose, FILE *infile, const char *infilename, const char *outfilename)
1168 FLAC__uint32 test = 1;
1171 * initialize globals
1174 is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
1176 for(i = 0; i < FLAC__MAX_CHANNELS; i++)
1177 input_[i] = &(in_[i][0]);
1181 * initialize instance
1184 #ifdef FLAC__HAS_OGG
1185 e->use_ogg = use_ogg;
1190 e->verbose = verbose;
1192 e->is_stdout = (0 == strcmp(outfilename, "-"));
1194 e->inbasefilename = grabbag__file_get_basename(infilename);
1195 e->outfilename = outfilename;
1197 e->skip = 0; /* filled in later after the sample_rate is known */
1198 e->unencoded_size = 0;
1199 e->total_samples_to_encode = 0;
1200 e->bytes_written = 0;
1201 e->samples_written = 0;
1205 e->encoder.flac.stream = 0;
1206 e->encoder.flac.file = 0;
1207 #ifdef FLAC__HAS_OGG
1208 e->encoder.ogg.stream = 0;
1209 e->encoder.ogg.file = 0;
1214 e->seek_table_template = 0;
1217 e->fout = grabbag__file_get_binary_stdout();
1220 if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) {
1221 fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1225 #ifdef FLAC__HAS_OGG
1228 e->encoder.ogg.stream = OggFLAC__stream_encoder_new();
1229 if(0 == e->encoder.ogg.stream) {
1230 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1231 EncoderSession_destroy(e);
1236 e->encoder.ogg.file = OggFLAC__file_encoder_new();
1237 if(0 == e->encoder.ogg.file) {
1238 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1239 EncoderSession_destroy(e);
1247 e->encoder.flac.stream = FLAC__stream_encoder_new();
1248 if(0 == e->encoder.flac.stream) {
1249 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1250 EncoderSession_destroy(e);
1255 e->encoder.flac.file = FLAC__file_encoder_new();
1256 if(0 == e->encoder.flac.file) {
1257 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1258 EncoderSession_destroy(e);
1266 void EncoderSession_destroy(EncoderSession *e)
1270 if(0 != e->fout && e->fout != stdout)
1273 #ifdef FLAC__HAS_OGG
1276 if(0 != e->encoder.ogg.stream) {
1277 OggFLAC__stream_encoder_delete(e->encoder.ogg.stream);
1278 e->encoder.ogg.stream = 0;
1282 if(0 != e->encoder.ogg.file) {
1283 OggFLAC__file_encoder_delete(e->encoder.ogg.file);
1284 e->encoder.ogg.file = 0;
1291 if(0 != e->encoder.flac.stream) {
1292 FLAC__stream_encoder_delete(e->encoder.flac.stream);
1293 e->encoder.flac.stream = 0;
1297 if(0 != e->encoder.flac.file) {
1298 FLAC__file_encoder_delete(e->encoder.flac.file);
1299 e->encoder.flac.file = 0;
1303 if(0 != e->seek_table_template) {
1304 FLAC__metadata_object_delete(e->seek_table_template);
1305 e->seek_table_template = 0;
1309 int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero)
1311 FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK;
1314 #ifdef FLAC__HAS_OGG
1317 if(e->encoder.ogg.stream) {
1318 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1319 OggFLAC__stream_encoder_finish(e->encoder.ogg.stream);
1323 if(e->encoder.ogg.file) {
1324 fse_state = OggFLAC__file_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.file);
1325 OggFLAC__file_encoder_finish(e->encoder.ogg.file);
1332 if(e->encoder.flac.stream) {
1333 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1334 FLAC__stream_encoder_finish(e->encoder.flac.stream);
1338 if(e->encoder.flac.file) {
1339 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1340 FLAC__file_encoder_finish(e->encoder.flac.file);
1344 if(e->verbose && e->total_samples_to_encode > 0) {
1346 fprintf(stderr, "\n");
1349 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) {
1350 print_verify_error(e);
1354 if(info_align_carry >= 0)
1355 fprintf(stderr, "%s: INFO: sector alignment causing %d samples to be carried over\n", e->inbasefilename, info_align_carry);
1356 if(info_align_zero >= 0)
1357 fprintf(stderr, "%s: INFO: sector alignment causing %d zero samples to be appended\n", e->inbasefilename, info_align_zero);
1360 EncoderSession_destroy(e);
1365 int EncoderSession_finish_error(EncoderSession *e)
1367 FLAC__StreamEncoderState fse_state;
1369 if(e->verbose && e->total_samples_to_encode > 0)
1370 fprintf(stderr, "\n");
1372 #ifdef FLAC__HAS_OGG
1375 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1378 fse_state = OggFLAC__file_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.file);
1384 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1387 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1390 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
1391 print_verify_error(e);
1393 unlink(e->outfilename);
1395 EncoderSession_destroy(e);
1400 FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate)
1402 unsigned num_metadata;
1403 FLAC__StreamMetadata padding, *cuesheet = 0;
1404 FLAC__StreamMetadata *metadata[4];
1406 e->replay_gain = options.replay_gain;
1407 e->channels = channels;
1408 e->bits_per_sample = bps;
1409 e->sample_rate = sample_rate;
1411 if(e->replay_gain) {
1412 if(channels != 1 && channels != 2) {
1413 fprintf(stderr, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gain\n", e->inbasefilename, channels);
1416 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
1417 fprintf(stderr, "%s: ERROR, invalid sample rate (%u) for --replay-gain\n", e->inbasefilename, sample_rate);
1420 if(options.is_first_file) {
1421 if(!grabbag__replaygain_init(sample_rate)) {
1422 fprintf(stderr, "%s: ERROR initializing ReplayGain stage\n", e->inbasefilename);
1429 options.do_mid_side = options.loose_mid_side = false;
1431 if(!parse_cuesheet_(&cuesheet, options.cuesheet_filename, e->inbasefilename, e->total_samples_to_encode))
1434 if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? cuesheet : 0, e)) {
1435 fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1442 if(e->seek_table_template->data.seek_table.num_points > 0) {
1443 e->seek_table_template->is_last = false; /* the encoder will set this for us */
1444 metadata[num_metadata++] = e->seek_table_template;
1447 metadata[num_metadata++] = cuesheet;
1448 metadata[num_metadata++] = options.vorbis_comment;
1449 if(options.padding > 0) {
1450 padding.is_last = false; /* the encoder will set this for us */
1451 padding.type = FLAC__METADATA_TYPE_PADDING;
1452 padding.length = (unsigned)options.padding;
1453 metadata[num_metadata++] = &padding;
1456 e->blocksize = options.blocksize;
1457 e->stats_mask = (options.do_exhaustive_model_search || options.do_qlp_coeff_prec_search)? 0x0f : 0x3f;
1459 #ifdef FLAC__HAS_OGG
1462 if(options.has_serial_number)
1463 OggFLAC__stream_encoder_set_serial_number(e->encoder.ogg.stream, options.serial_number);
1464 OggFLAC__stream_encoder_set_verify(e->encoder.ogg.stream, options.verify);
1465 OggFLAC__stream_encoder_set_streamable_subset(e->encoder.ogg.stream, !options.lax);
1466 OggFLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.ogg.stream, options.do_mid_side);
1467 OggFLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.ogg.stream, options.loose_mid_side);
1468 OggFLAC__stream_encoder_set_channels(e->encoder.ogg.stream, channels);
1469 OggFLAC__stream_encoder_set_bits_per_sample(e->encoder.ogg.stream, bps);
1470 OggFLAC__stream_encoder_set_sample_rate(e->encoder.ogg.stream, sample_rate);
1471 OggFLAC__stream_encoder_set_blocksize(e->encoder.ogg.stream, options.blocksize);
1472 OggFLAC__stream_encoder_set_max_lpc_order(e->encoder.ogg.stream, options.max_lpc_order);
1473 OggFLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.ogg.stream, options.qlp_coeff_precision);
1474 OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.stream, options.do_qlp_coeff_prec_search);
1475 OggFLAC__stream_encoder_set_do_escape_coding(e->encoder.ogg.stream, options.do_escape_coding);
1476 OggFLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.ogg.stream, options.do_exhaustive_model_search);
1477 OggFLAC__stream_encoder_set_min_residual_partition_order(e->encoder.ogg.stream, options.min_residual_partition_order);
1478 OggFLAC__stream_encoder_set_max_residual_partition_order(e->encoder.ogg.stream, options.max_residual_partition_order);
1479 OggFLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.ogg.stream, options.rice_parameter_search_dist);
1480 OggFLAC__stream_encoder_set_total_samples_estimate(e->encoder.ogg.stream, e->total_samples_to_encode);
1481 OggFLAC__stream_encoder_set_metadata(e->encoder.ogg.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1482 OggFLAC__stream_encoder_set_write_callback(e->encoder.ogg.stream, ogg_stream_encoder_write_callback);
1483 OggFLAC__stream_encoder_set_metadata_callback(e->encoder.ogg.stream, ogg_stream_encoder_metadata_callback);
1484 OggFLAC__stream_encoder_set_client_data(e->encoder.ogg.stream, e);
1486 OggFLAC__stream_encoder_disable_constant_subframes(e->encoder.ogg.stream, options.debug.disable_constant_subframes);
1487 OggFLAC__stream_encoder_disable_fixed_subframes(e->encoder.ogg.stream, options.debug.disable_fixed_subframes);
1488 OggFLAC__stream_encoder_disable_verbatim_subframes(e->encoder.ogg.stream, options.debug.disable_verbatim_subframes);
1490 if(OggFLAC__stream_encoder_init(e->encoder.ogg.stream) != FLAC__STREAM_ENCODER_OK) {
1491 print_error_with_state(e, "ERROR initializing encoder");
1498 if(options.has_serial_number)
1499 OggFLAC__file_encoder_set_serial_number(e->encoder.ogg.file, options.serial_number);
1500 OggFLAC__file_encoder_set_filename(e->encoder.ogg.file, e->outfilename);
1501 OggFLAC__file_encoder_set_verify(e->encoder.ogg.file, options.verify);
1502 OggFLAC__file_encoder_set_streamable_subset(e->encoder.ogg.file, !options.lax);
1503 OggFLAC__file_encoder_set_do_mid_side_stereo(e->encoder.ogg.file, options.do_mid_side);
1504 OggFLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.ogg.file, options.loose_mid_side);
1505 OggFLAC__file_encoder_set_channels(e->encoder.ogg.file, channels);
1506 OggFLAC__file_encoder_set_bits_per_sample(e->encoder.ogg.file, bps);
1507 OggFLAC__file_encoder_set_sample_rate(e->encoder.ogg.file, sample_rate);
1508 OggFLAC__file_encoder_set_blocksize(e->encoder.ogg.file, options.blocksize);
1509 OggFLAC__file_encoder_set_max_lpc_order(e->encoder.ogg.file, options.max_lpc_order);
1510 OggFLAC__file_encoder_set_qlp_coeff_precision(e->encoder.ogg.file, options.qlp_coeff_precision);
1511 OggFLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.file, options.do_qlp_coeff_prec_search);
1512 OggFLAC__file_encoder_set_do_escape_coding(e->encoder.ogg.file, options.do_escape_coding);
1513 OggFLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.ogg.file, options.do_exhaustive_model_search);
1514 OggFLAC__file_encoder_set_min_residual_partition_order(e->encoder.ogg.file, options.min_residual_partition_order);
1515 OggFLAC__file_encoder_set_max_residual_partition_order(e->encoder.ogg.file, options.max_residual_partition_order);
1516 OggFLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.ogg.file, options.rice_parameter_search_dist);
1517 OggFLAC__file_encoder_set_total_samples_estimate(e->encoder.ogg.file, e->total_samples_to_encode);
1518 OggFLAC__file_encoder_set_metadata(e->encoder.ogg.file, (num_metadata > 0)? metadata : 0, num_metadata);
1519 OggFLAC__file_encoder_set_progress_callback(e->encoder.ogg.file, ogg_file_encoder_progress_callback);
1520 OggFLAC__file_encoder_set_client_data(e->encoder.ogg.file, e);
1522 OggFLAC__file_encoder_disable_constant_subframes(e->encoder.ogg.file, options.debug.disable_constant_subframes);
1523 OggFLAC__file_encoder_disable_fixed_subframes(e->encoder.ogg.file, options.debug.disable_fixed_subframes);
1524 OggFLAC__file_encoder_disable_verbatim_subframes(e->encoder.ogg.file, options.debug.disable_verbatim_subframes);
1526 if(OggFLAC__file_encoder_init(e->encoder.ogg.file) != OggFLAC__FILE_ENCODER_OK) {
1527 print_error_with_state(e, "ERROR initializing encoder");
1537 FLAC__stream_encoder_set_verify(e->encoder.flac.stream, options.verify);
1538 FLAC__stream_encoder_set_streamable_subset(e->encoder.flac.stream, !options.lax);
1539 FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.flac.stream, options.do_mid_side);
1540 FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.flac.stream, options.loose_mid_side);
1541 FLAC__stream_encoder_set_channels(e->encoder.flac.stream, channels);
1542 FLAC__stream_encoder_set_bits_per_sample(e->encoder.flac.stream, bps);
1543 FLAC__stream_encoder_set_sample_rate(e->encoder.flac.stream, sample_rate);
1544 FLAC__stream_encoder_set_blocksize(e->encoder.flac.stream, options.blocksize);
1545 FLAC__stream_encoder_set_max_lpc_order(e->encoder.flac.stream, options.max_lpc_order);
1546 FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.flac.stream, options.qlp_coeff_precision);
1547 FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.stream, options.do_qlp_coeff_prec_search);
1548 FLAC__stream_encoder_set_do_escape_coding(e->encoder.flac.stream, options.do_escape_coding);
1549 FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.flac.stream, options.do_exhaustive_model_search);
1550 FLAC__stream_encoder_set_min_residual_partition_order(e->encoder.flac.stream, options.min_residual_partition_order);
1551 FLAC__stream_encoder_set_max_residual_partition_order(e->encoder.flac.stream, options.max_residual_partition_order);
1552 FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.flac.stream, options.rice_parameter_search_dist);
1553 FLAC__stream_encoder_set_total_samples_estimate(e->encoder.flac.stream, e->total_samples_to_encode);
1554 FLAC__stream_encoder_set_metadata(e->encoder.flac.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1555 FLAC__stream_encoder_set_write_callback(e->encoder.flac.stream, flac_stream_encoder_write_callback);
1556 FLAC__stream_encoder_set_metadata_callback(e->encoder.flac.stream, flac_stream_encoder_metadata_callback);
1557 FLAC__stream_encoder_set_client_data(e->encoder.flac.stream, e);
1559 FLAC__stream_encoder_disable_constant_subframes(e->encoder.flac.stream, options.debug.disable_constant_subframes);
1560 FLAC__stream_encoder_disable_fixed_subframes(e->encoder.flac.stream, options.debug.disable_fixed_subframes);
1561 FLAC__stream_encoder_disable_verbatim_subframes(e->encoder.flac.stream, options.debug.disable_verbatim_subframes);
1563 if(FLAC__stream_encoder_init(e->encoder.flac.stream) != FLAC__STREAM_ENCODER_OK) {
1564 print_error_with_state(e, "ERROR initializing encoder");
1571 FLAC__file_encoder_set_filename(e->encoder.flac.file, e->outfilename);
1572 FLAC__file_encoder_set_verify(e->encoder.flac.file, options.verify);
1573 FLAC__file_encoder_set_streamable_subset(e->encoder.flac.file, !options.lax);
1574 FLAC__file_encoder_set_do_mid_side_stereo(e->encoder.flac.file, options.do_mid_side);
1575 FLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.flac.file, options.loose_mid_side);
1576 FLAC__file_encoder_set_channels(e->encoder.flac.file, channels);
1577 FLAC__file_encoder_set_bits_per_sample(e->encoder.flac.file, bps);
1578 FLAC__file_encoder_set_sample_rate(e->encoder.flac.file, sample_rate);
1579 FLAC__file_encoder_set_blocksize(e->encoder.flac.file, options.blocksize);
1580 FLAC__file_encoder_set_max_lpc_order(e->encoder.flac.file, options.max_lpc_order);
1581 FLAC__file_encoder_set_qlp_coeff_precision(e->encoder.flac.file, options.qlp_coeff_precision);
1582 FLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.file, options.do_qlp_coeff_prec_search);
1583 FLAC__file_encoder_set_do_escape_coding(e->encoder.flac.file, options.do_escape_coding);
1584 FLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.flac.file, options.do_exhaustive_model_search);
1585 FLAC__file_encoder_set_min_residual_partition_order(e->encoder.flac.file, options.min_residual_partition_order);
1586 FLAC__file_encoder_set_max_residual_partition_order(e->encoder.flac.file, options.max_residual_partition_order);
1587 FLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.flac.file, options.rice_parameter_search_dist);
1588 FLAC__file_encoder_set_total_samples_estimate(e->encoder.flac.file, e->total_samples_to_encode);
1589 FLAC__file_encoder_set_metadata(e->encoder.flac.file, (num_metadata > 0)? metadata : 0, num_metadata);
1590 FLAC__file_encoder_set_progress_callback(e->encoder.flac.file, flac_file_encoder_progress_callback);
1591 FLAC__file_encoder_set_client_data(e->encoder.flac.file, e);
1593 FLAC__file_encoder_disable_constant_subframes(e->encoder.flac.file, options.debug.disable_constant_subframes);
1594 FLAC__file_encoder_disable_fixed_subframes(e->encoder.flac.file, options.debug.disable_fixed_subframes);
1595 FLAC__file_encoder_disable_verbatim_subframes(e->encoder.flac.file, options.debug.disable_verbatim_subframes);
1597 if(FLAC__file_encoder_init(e->encoder.flac.file) != FLAC__FILE_ENCODER_OK) {
1598 print_error_with_state(e, "ERROR initializing encoder");
1611 FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples)
1613 if(e->replay_gain) {
1614 if(!grabbag__replaygain_analyze(buffer, e->channels==2, e->bits_per_sample, samples))
1615 fprintf(stderr, "%s: WARNING, error while calculating ReplayGain\n", e->inbasefilename);
1618 #ifdef FLAC__HAS_OGG
1621 return OggFLAC__stream_encoder_process(e->encoder.ogg.stream, buffer, samples);
1624 return OggFLAC__file_encoder_process(e->encoder.ogg.file, buffer, samples);
1630 return FLAC__stream_encoder_process(e->encoder.flac.stream, buffer, samples);
1633 return FLAC__file_encoder_process(e->encoder.flac.file, buffer, samples);
1637 FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e)
1639 const FLAC__bool only_placeholders = e->is_stdout;
1640 FLAC__bool has_real_points;
1642 if(num_requested_seek_points == 0 && 0 == cuesheet)
1645 if(num_requested_seek_points < 0) {
1646 requested_seek_points = "10s;";
1647 num_requested_seek_points = 1;
1650 if(num_requested_seek_points > 0) {
1651 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))
1657 const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
1658 for(i = 0; i < cs->num_tracks; i++) {
1659 const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i;
1660 for(j = 0; j < tr->num_indices; j++) {
1661 if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset))
1663 has_real_points = true;
1667 if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true))
1671 if(has_real_points) {
1673 fprintf(stderr, "%s: WARNING, cannot write back seekpoints when encoding to stdout\n", e->inbasefilename);
1679 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
1681 /* convert from mm:ss.sss to sample number if necessary */
1682 flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
1684 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
1685 if(spec->is_relative && spec->value.samples == 0) {
1686 spec->is_relative = false;
1690 /* in any other case the total samples in the input must be known */
1691 if(total_samples_in_input == 0) {
1692 fprintf(stderr, "%s: ERROR, cannot use --until when input length is unknown\n", inbasefilename);
1696 FLAC__ASSERT(spec->value_is_samples);
1698 /* convert relative specifications to absolute */
1699 if(spec->is_relative) {
1700 if(spec->value.samples <= 0)
1701 spec->value.samples += (FLAC__int64)total_samples_in_input;
1703 spec->value.samples += skip;
1704 spec->is_relative = false;
1708 if(spec->value.samples < 0) {
1709 fprintf(stderr, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
1712 if((FLAC__uint64)spec->value.samples <= skip) {
1713 fprintf(stderr, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
1716 if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
1717 fprintf(stderr, "%s: ERROR, --until value is after end of input\n", inbasefilename);
1724 void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps)
1726 unsigned wide_sample, sample, channel, byte;
1729 if(is_unsigned_samples) {
1730 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1731 for(channel = 0; channel < channels; channel++, sample++)
1732 dest[channel][wide_sample] = (FLAC__int32)ucbuffer_[sample] - 0x80;
1735 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1736 for(channel = 0; channel < channels; channel++, sample++)
1737 dest[channel][wide_sample] = (FLAC__int32)scbuffer_[sample];
1740 else if(bps == 16) {
1741 if(is_big_endian != is_big_endian_host_) {
1743 const unsigned bytes = wide_samples * channels * (bps >> 3);
1744 for(byte = 0; byte < bytes; byte += 2) {
1745 tmp = ucbuffer_[byte];
1746 ucbuffer_[byte] = ucbuffer_[byte+1];
1747 ucbuffer_[byte+1] = tmp;
1750 if(is_unsigned_samples) {
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)usbuffer_[sample] - 0x8000;
1756 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1757 for(channel = 0; channel < channels; channel++, sample++)
1758 dest[channel][wide_sample] = (FLAC__int32)ssbuffer_[sample];
1761 else if(bps == 24) {
1762 if(!is_big_endian) {
1764 const unsigned bytes = wide_samples * channels * (bps >> 3);
1765 for(byte = 0; byte < bytes; byte += 3) {
1766 tmp = ucbuffer_[byte];
1767 ucbuffer_[byte] = ucbuffer_[byte+2];
1768 ucbuffer_[byte+2] = tmp;
1771 if(is_unsigned_samples) {
1772 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1773 for(channel = 0; channel < channels; channel++, sample++) {
1774 dest[channel][wide_sample] = ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1775 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1776 dest[channel][wide_sample] |= ucbuffer_[byte++];
1777 dest[channel][wide_sample] -= 0x800000;
1781 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1782 for(channel = 0; channel < channels; channel++, sample++) {
1783 dest[channel][wide_sample] = scbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1784 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1785 dest[channel][wide_sample] |= ucbuffer_[byte++];
1794 #ifdef FLAC__HAS_OGG
1795 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)
1797 EncoderSession *encoder_session = (EncoderSession*)client_data;
1801 encoder_session->bytes_written += bytes;
1803 * With Ogg FLAC we don't get one write callback per frame and
1804 * we don't have good number for 'samples', so we estimate based
1805 * on the frame number and the knowledge that all blocks (except
1806 * the last) are the same size.
1809 encoder_session->samples_written = (current_frame+1) * encoder_session->blocksize;
1811 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1812 print_stats(encoder_session);
1814 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1815 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1817 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1820 void ogg_stream_encoder_metadata_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
1822 // do nothing, for compatibilty. soon we will be using the ogg file encoder anyway.
1823 (void)encoder, (void)metadata, (void)client_data;
1826 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)
1828 flac_file_encoder_progress_callback(0, bytes_written, samples_written, frames_written, total_frames_estimate, client_data);
1833 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)
1835 EncoderSession *encoder_session = (EncoderSession*)client_data;
1839 encoder_session->bytes_written += bytes;
1840 encoder_session->samples_written += samples;
1842 if(samples && encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1843 print_stats(encoder_session);
1845 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1846 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1848 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1851 void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
1854 * Nothing to do; if we get here, we're decoding to stdout, in
1855 * which case we can't seek backwards to write new metadata.
1857 (void)encoder, (void)metadata, (void)client_data;
1860 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)
1862 EncoderSession *encoder_session = (EncoderSession*)client_data;
1864 (void)encoder, (void)total_frames_estimate;
1866 encoder_session->bytes_written = bytes_written;
1867 encoder_session->samples_written = samples_written;
1869 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !((frames_written-1) & encoder_session->stats_mask))
1870 print_stats(encoder_session);
1873 FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__uint64 lead_out_offset)
1876 unsigned last_line_read;
1877 const char *error_message;
1879 if(0 == cuesheet_filename)
1882 if(lead_out_offset == 0) {
1883 fprintf(stderr, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknown\n", inbasefilename);
1887 if(0 == (f = fopen(cuesheet_filename, "r"))) {
1888 fprintf(stderr, "%s: ERROR opening cuesheet \"%s\" for reading\n", inbasefilename, cuesheet_filename);
1892 *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, /*@@@is_cdda=*/true, lead_out_offset);
1896 if(0 == *cuesheet) {
1897 fprintf(stderr, "%s: ERROR parsing cuesheet \"%s\" on line %u: %s\n", inbasefilename, cuesheet_filename, last_line_read, error_message);
1904 void print_stats(const EncoderSession *encoder_session)
1906 const FLAC__uint64 samples_written = min(encoder_session->total_samples_to_encode, encoder_session->samples_written);
1907 #if defined _MSC_VER || defined __MINGW32__
1908 /* with VC++ you have to spoon feed it the casting */
1909 const double progress = (double)(FLAC__int64)samples_written / (double)(FLAC__int64)encoder_session->total_samples_to_encode;
1910 const double ratio = (double)(FLAC__int64)encoder_session->bytes_written / ((double)(FLAC__int64)encoder_session->unencoded_size * progress);
1912 const double progress = (double)samples_written / (double)encoder_session->total_samples_to_encode;
1913 const double ratio = (double)encoder_session->bytes_written / ((double)encoder_session->unencoded_size * progress);
1916 if(samples_written == encoder_session->total_samples_to_encode) {
1917 fprintf(stderr, "\r%s:%s wrote %u bytes, ratio=%0.3f",
1918 encoder_session->inbasefilename,
1919 encoder_session->verify? " Verify OK," : "",
1920 (unsigned)encoder_session->bytes_written,
1925 fprintf(stderr, "\r%s: %u%% complete, ratio=%0.3f", encoder_session->inbasefilename, (unsigned)floor(progress * 100.0 + 0.5), ratio);
1929 void print_error_with_state(const EncoderSession *e, const char *message)
1931 const int ilen = strlen(e->inbasefilename) + 1;
1932 const char *state_string;
1934 fprintf(stderr, "\n%s: %s\n", e->inbasefilename, message);
1936 #ifdef FLAC__HAS_OGG
1939 state_string = OggFLAC__stream_encoder_get_resolved_state_string(e->encoder.ogg.stream);
1942 state_string = OggFLAC__file_encoder_get_resolved_state_string(e->encoder.ogg.file);
1948 state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder.flac.stream);
1951 state_string = FLAC__file_encoder_get_resolved_state_string(e->encoder.flac.file);
1954 fprintf(stderr, "%*s state = %s\n", ilen, "", state_string);
1957 void print_verify_error(EncoderSession *e)
1959 FLAC__uint64 absolute_sample;
1960 unsigned frame_number;
1963 FLAC__int32 expected;
1966 #ifdef FLAC__HAS_OGG
1969 OggFLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.ogg.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1972 OggFLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.ogg.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1978 FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.flac.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1981 FLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.flac.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1984 fprintf(stderr, "%s: ERROR: mismatch in decoded data, verify FAILED!\n", e->inbasefilename);
1985 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);
1986 fprintf(stderr, " Please submit a bug report to\n");
1987 fprintf(stderr, " http://sourceforge.net/bugs/?func=addbug&group_id=13478\n");
1988 fprintf(stderr, " Make sure to include an email contact in the comment and/or use the\n");
1989 fprintf(stderr, " \"Monitor\" feature to monitor the bug status.\n");
1990 fprintf(stderr, "Verify FAILED! Do not trust %s\n", e->outfilename);
1993 FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
1995 size_t bytes_read = fread(val, 1, 2, f);
1997 if(bytes_read == 0) {
1999 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2005 else if(bytes_read < 2) {
2006 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2010 if(is_big_endian_host_) {
2011 FLAC__byte tmp, *b = (FLAC__byte*)val;
2012 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
2018 FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2020 size_t bytes_read = fread(val, 1, 4, f);
2022 if(bytes_read == 0) {
2024 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2030 else if(bytes_read < 4) {
2031 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2035 if(is_big_endian_host_) {
2036 FLAC__byte tmp, *b = (FLAC__byte*)val;
2037 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
2038 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
2045 read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
2047 unsigned char buf[4];
2048 size_t bytes_read= fread(buf, 1, 2, f);
2050 if(bytes_read==0U && eof_ok)
2052 else if(bytes_read<2U) {
2053 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2057 /* this is independent of host endianness */
2058 *val= (FLAC__uint16)(buf[0])<<8 | buf[1];
2064 read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2066 unsigned char buf[4];
2067 size_t bytes_read= fread(buf, 1, 4, f);
2069 if(bytes_read==0U && eof_ok)
2071 else if(bytes_read<4U) {
2072 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2076 /* this is independent of host endianness */
2077 *val= (FLAC__uint32)(buf[0])<<24 | (FLAC__uint32)(buf[1])<<16 |
2078 (FLAC__uint32)(buf[2])<<8 | buf[3];
2084 read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2085 /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f',
2086 * convert it into an integral value and store in 'val'. Return false if only
2087 * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f' and 'eof_ok' is
2088 * false, or if the value is negative, between zero and one, or too large to be
2089 * represented by 'val'; return true otherwise.
2093 unsigned char buf[10];
2094 size_t bytes_read= fread(buf, 1U, 10U, f);
2095 FLAC__int16 e= ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF;
2096 FLAC__int16 shift= 63-e;
2099 if(bytes_read==0U && eof_ok)
2101 else if(bytes_read<10U) {
2102 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2105 else if((buf[0]>>7)==1U || e<0 || e>63) {
2106 fprintf(stderr, "%s: ERROR: invalid floating-point value\n", fn);
2110 for(i= 0U; i<8U; ++i)
2111 p|= (FLAC__uint64)(buf[i+2])<<(56U-i*8);
2112 *val= (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1));