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"
46 #define min(x,y) ((x)<(y)?(x):(y))
48 /* this MUST be >= 588 so that sector aligning can take place with one read */
49 #define CHUNK_OF_SAMPLES 2048
58 const char *inbasefilename;
59 const char *outfilename;
62 FLAC__uint64 until; /* a value of 0 mean end-of-stream (i.e. --until=-0) */
63 FLAC__bool replay_gain;
65 unsigned bits_per_sample;
67 FLAC__uint64 unencoded_size;
68 FLAC__uint64 total_samples_to_encode;
69 FLAC__uint64 bytes_written;
70 FLAC__uint64 samples_written;
75 * We use flac.stream for encoding native FLAC to stdout
76 * We use flac.file for encoding native FLAC to a regular file
77 * We use ogg.stream for encoding Ogg FLAC to either stdout or a regular file
81 FLAC__StreamEncoder *stream;
82 FLAC__FileEncoder *file;
86 OggFLAC__StreamEncoder *stream;
93 FLAC__StreamMetadata *seek_table_template;
97 static FLAC__bool is_big_endian_host_;
99 static unsigned char ucbuffer_[CHUNK_OF_SAMPLES*FLAC__MAX_CHANNELS*((FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE+7)/8)];
100 static signed char *scbuffer_ = (signed char *)ucbuffer_;
101 static FLAC__uint16 *usbuffer_ = (FLAC__uint16 *)ucbuffer_;
102 static FLAC__int16 *ssbuffer_ = (FLAC__int16 *)ucbuffer_;
104 static FLAC__int32 in_[FLAC__MAX_CHANNELS][CHUNK_OF_SAMPLES];
105 static FLAC__int32 *input_[FLAC__MAX_CHANNELS];
109 * unpublished debug routines from the FLAC libs
111 extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
112 extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
113 extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
114 extern FLAC__bool FLAC__file_encoder_disable_constant_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
115 extern FLAC__bool FLAC__file_encoder_disable_fixed_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
116 extern FLAC__bool FLAC__file_encoder_disable_verbatim_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
118 extern FLAC__bool OggFLAC__stream_encoder_disable_constant_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
119 extern FLAC__bool OggFLAC__stream_encoder_disable_fixed_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
120 extern FLAC__bool OggFLAC__stream_encoder_disable_verbatim_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
126 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);
127 static void EncoderSession_destroy(EncoderSession *e);
128 static int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero);
129 static int EncoderSession_finish_error(EncoderSession *e);
130 static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate);
131 static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples);
132 static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e);
133 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
134 static void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps);
136 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);
138 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);
139 static void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
140 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);
141 static FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__uint64 lead_out_offset);
142 static void print_stats(const EncoderSession *encoder_session);
143 static void print_error_with_state(const EncoderSession *e, const char *message);
144 static void print_verify_error(EncoderSession *e);
145 static FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
146 static FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
147 static FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
148 static FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
149 static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
155 flac__encode_aif(FILE *infile, long infilesize, const char *infilename, const char *outfilename,
156 const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
158 EncoderSession encoder_session;
161 unsigned int channels= 0U, bps= 0U, sample_rate= 0U, sample_frames= 0U;
162 FLAC__bool got_comm_chunk= false, got_ssnd_chunk= false;
163 int info_align_carry= -1, info_align_zero= -1;
165 (void)infilesize; /* silence compiler warning about unused parameter */
166 (void)lookahead; /* silence compiler warning about unused parameter */
167 (void)lookahead_length; /* silence compiler warning about unused parameter */
170 EncoderSession_construct(
173 options.common.use_ogg,
177 options.common.verify,
178 options.common.verbose,
186 /* lookahead[] already has "FORMxxxxAIFF", do sub-chunks */
192 /* chunk identifier; really conservative about behavior of fread() and feof() */
193 if(feof(infile) || ((c= fread(chunk_id, 1U, 4U, infile)), c==0U && feof(infile)))
195 else if(c<4U || feof(infile)) {
196 fprintf(stderr, "%s: ERROR: incomplete chunk identifier\n", encoder_session.inbasefilename);
197 return EncoderSession_finish_error(&encoder_session);
200 if(got_comm_chunk==false && !strncmp(chunk_id, "COMM", 4)) { /* common chunk */
203 /* COMM chunk size */
204 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
205 return EncoderSession_finish_error(&encoder_session);
207 fprintf(stderr, "%s: ERROR: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
208 return EncoderSession_finish_error(&encoder_session);
211 fprintf(stderr, "%s: WARNING: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
212 skip= (xx-18U)+(xx & 1U);
214 /* number of channels */
215 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
216 return EncoderSession_finish_error(&encoder_session);
217 else if(x==0U || x>FLAC__MAX_CHANNELS) {
218 fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned int)x);
219 return EncoderSession_finish_error(&encoder_session);
221 else if(options.common.sector_align && x!=2U) {
222 fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
223 return EncoderSession_finish_error(&encoder_session);
227 /* number of sample frames */
228 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
229 return EncoderSession_finish_error(&encoder_session);
232 /* bits per sample */
233 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
234 return EncoderSession_finish_error(&encoder_session);
235 else if(x!=8U && x!=16U && x!=24U) {
236 fprintf(stderr, "%s: ERROR: unsupported bits per sample %u\n", encoder_session.inbasefilename, (unsigned int)x);
237 return EncoderSession_finish_error(&encoder_session);
239 else if(options.common.sector_align && x!=16U) {
240 fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
241 return EncoderSession_finish_error(&encoder_session);
246 if(!read_sane_extended(infile, &xx, false, encoder_session.inbasefilename))
247 return EncoderSession_finish_error(&encoder_session);
248 else if(!FLAC__format_sample_rate_is_valid(xx)) {
249 fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned int)xx);
250 return EncoderSession_finish_error(&encoder_session);
252 else if(options.common.sector_align && xx!=44100U) {
253 fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)xx);
254 return EncoderSession_finish_error(&encoder_session);
258 /* skip any extra data in the COMM chunk */
259 FLAC__ASSERT(skip<=LONG_MAX);
260 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
261 unsigned int need= min(skip, sizeof ucbuffer_);
262 if(fread(ucbuffer_, 1U, need, infile)<need) {
263 fprintf(stderr, "%s: ERROR during read while skipping extra COMM data\n", encoder_session.inbasefilename);
264 return EncoderSession_finish_error(&encoder_session);
270 * now that we know the sample rate, canonicalize the
271 * --skip string to a number of samples:
273 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
274 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
275 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
276 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
278 got_comm_chunk= true;
280 else if(got_ssnd_chunk==false && !strncmp(chunk_id, "SSND", 4)) { /* sound data chunk */
281 unsigned int offset= 0U, block_size= 0U, align_remainder= 0U, data_bytes;
282 size_t bytes_per_frame= channels*(bps>>3);
283 FLAC__uint64 total_samples_in_input, trim = 0;
284 FLAC__bool pad= false;
286 if(got_comm_chunk==false) {
287 fprintf(stderr, "%s: ERROR: got 'SSND' chunk before 'COMM' chunk\n", encoder_session.inbasefilename);
288 return EncoderSession_finish_error(&encoder_session);
291 /* SSND chunk size */
292 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
293 return EncoderSession_finish_error(&encoder_session);
294 else if(xx!=(sample_frames*bytes_per_frame + 8U)) {
295 fprintf(stderr, "%s: ERROR: SSND chunk size inconsistent with sample frame count\n", encoder_session.inbasefilename);
296 return EncoderSession_finish_error(&encoder_session);
299 pad= (data_bytes & 1U) ? true : false;
300 data_bytes-= 8U; /* discount the offset and block size fields */
303 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
304 return EncoderSession_finish_error(&encoder_session);
306 fprintf(stderr, "%s: ERROR: offset is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
307 return EncoderSession_finish_error(&encoder_session);
312 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
313 return EncoderSession_finish_error(&encoder_session);
315 fprintf(stderr, "%s: ERROR: block size is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
316 return EncoderSession_finish_error(&encoder_session);
320 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
321 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
322 total_samples_in_input = data_bytes / bytes_per_frame + *options.common.align_reservoir_samples;
325 * now that we know the input size, canonicalize the
326 * --until string to an absolute sample number:
328 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
329 return EncoderSession_finish_error(&encoder_session);
330 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
331 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
333 if(encoder_session.skip>0U) {
334 FLAC__uint64 remaining= encoder_session.skip*bytes_per_frame;
336 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
337 /* is guaranteed to be less than LONG_MAX */
340 unsigned long skip= (unsigned long)(remaining % (1U<<30));
342 FLAC__ASSERT(skip<=LONG_MAX);
343 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
344 unsigned int need= min(skip, sizeof ucbuffer_);
345 if(fread(ucbuffer_, 1U, need, infile)<need) {
346 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
347 return EncoderSession_finish_error(&encoder_session);
356 data_bytes-= (unsigned int)encoder_session.skip*bytes_per_frame; /*@@@ WATCHOUT: 4GB limit */
357 encoder_session.total_samples_to_encode= total_samples_in_input - encoder_session.skip;
358 if(encoder_session.until > 0) {
359 trim = total_samples_in_input - encoder_session.until;
360 FLAC__ASSERT(total_samples_in_input > 0);
361 FLAC__ASSERT(!options.common.sector_align);
362 data_bytes-= (unsigned int)trim*bytes_per_frame;
363 encoder_session.total_samples_to_encode-= trim;
365 if(options.common.sector_align) {
366 align_remainder= (unsigned int)(encoder_session.total_samples_to_encode % 588U);
367 if(options.common.is_last_file)
368 encoder_session.total_samples_to_encode+= (588U-align_remainder); /* will pad with zeroes */
370 encoder_session.total_samples_to_encode-= align_remainder; /* will stop short and carry over to next file */
373 /* +54 for the size of the AIFF headers; this is just an estimate for the progress indicator and doesn't need to be exact */
374 encoder_session.unencoded_size= encoder_session.total_samples_to_encode*bytes_per_frame+54;
376 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
377 return EncoderSession_finish_error(&encoder_session);
379 /* first do any samples in the reservoir */
380 if(options.common.sector_align && *options.common.align_reservoir_samples>0U) {
382 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
383 print_error_with_state(&encoder_session, "ERROR during encoding");
384 return EncoderSession_finish_error(&encoder_session);
388 /* decrement the data_bytes counter if we need to align the file */
389 if(options.common.sector_align) {
390 if(options.common.is_last_file)
391 *options.common.align_reservoir_samples= 0U;
393 *options.common.align_reservoir_samples= align_remainder;
394 data_bytes-= (*options.common.align_reservoir_samples)*bytes_per_frame;
398 /* now do from the file */
399 while(data_bytes>0) {
400 size_t bytes_read= fread(ucbuffer_, 1U, min(data_bytes, CHUNK_OF_SAMPLES*bytes_per_frame), infile);
404 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
405 return EncoderSession_finish_error(&encoder_session);
407 else if(feof(infile)) {
408 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);
413 if(bytes_read % bytes_per_frame != 0U) {
414 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
415 return EncoderSession_finish_error(&encoder_session);
418 unsigned int frames= bytes_read/bytes_per_frame;
419 format_input(input_, frames, true, false, channels, bps);
421 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, frames)) {
422 print_error_with_state(&encoder_session, "ERROR during encoding");
423 return EncoderSession_finish_error(&encoder_session);
426 data_bytes-= bytes_read;
432 FLAC__uint64 remaining= (unsigned int)trim*bytes_per_frame;
434 FLAC__ASSERT(!options.common.sector_align);
436 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
437 /* is guaranteed to be less than LONG_MAX */
440 unsigned long skip= (unsigned long)(remaining % (1U<<30));
442 FLAC__ASSERT(skip<=LONG_MAX);
443 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
444 unsigned int need= min(skip, sizeof ucbuffer_);
445 if(fread(ucbuffer_, 1U, need, infile)<need) {
446 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
447 return EncoderSession_finish_error(&encoder_session);
456 /* now read unaligned samples into reservoir or pad with zeroes if necessary */
457 if(options.common.sector_align) {
458 if(options.common.is_last_file) {
459 unsigned int pad_frames= 588U-align_remainder;
461 if(pad_frames<588U) {
464 info_align_zero= pad_frames;
465 for(i= 0U; i<channels; ++i)
466 memset(input_[i], 0, pad_frames*(bps>>3));
468 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, pad_frames)) {
469 print_error_with_state(&encoder_session, "ERROR during encoding");
470 return EncoderSession_finish_error(&encoder_session);
475 if(*options.common.align_reservoir_samples > 0) {
476 size_t bytes_read= fread(ucbuffer_, 1U, (*options.common.align_reservoir_samples)*bytes_per_frame, infile);
478 FLAC__ASSERT(CHUNK_OF_SAMPLES>=588U);
479 if(bytes_read==0U && ferror(infile)) {
480 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
481 return EncoderSession_finish_error(&encoder_session);
483 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_frame)
484 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);
486 info_align_carry= *options.common.align_reservoir_samples;
487 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, true, false, channels, bps);
496 if(fread(&tmp, 1U, 1U, infile)<1U) {
497 fprintf(stderr, "%s: ERROR during read of SSND pad byte\n", encoder_session.inbasefilename);
498 return EncoderSession_finish_error(&encoder_session);
502 got_ssnd_chunk= true;
504 else { /* other chunk */
505 if(!strncmp(chunk_id, "COMM", 4))
506 fprintf(stderr, "%s: WARNING: skipping extra 'COMM' chunk\n", encoder_session.inbasefilename);
507 else if(!strncmp(chunk_id, "SSND", 4))
508 fprintf(stderr, "%s: WARNING: skipping extra 'SSND' chunk\n", encoder_session.inbasefilename);
510 fprintf(stderr, "%s: WARNING: skipping unknown chunk '%s'\n", encoder_session.inbasefilename, chunk_id);
513 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
514 return EncoderSession_finish_error(&encoder_session);
516 unsigned long skip= xx+(xx & 1U);
518 FLAC__ASSERT(skip<=LONG_MAX);
519 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
520 unsigned int need= min(skip, sizeof ucbuffer_);
521 if(fread(ucbuffer_, 1U, need, infile)<need) {
522 fprintf(stderr, "%s: ERROR during read while skipping unknown chunk\n", encoder_session.inbasefilename);
523 return EncoderSession_finish_error(&encoder_session);
531 if(got_ssnd_chunk==false && sample_frames!=0U) {
532 fprintf(stderr, "%s: ERROR: missing SSND chunk\n", encoder_session.inbasefilename);
533 return EncoderSession_finish_error(&encoder_session);
536 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
539 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)
541 EncoderSession encoder_session;
542 FLAC__bool is_unsigned_samples = false;
543 unsigned channels = 0, bps = 0, sample_rate = 0, data_bytes;
544 size_t bytes_per_wide_sample, bytes_read;
547 FLAC__bool got_fmt_chunk = false, got_data_chunk = false;
548 unsigned align_remainder = 0;
549 int info_align_carry = -1, info_align_zero = -1;
553 (void)lookahead_length;
556 EncoderSession_construct(
559 options.common.use_ogg,
563 options.common.verify,
564 options.common.verbose,
573 * lookahead[] already has "RIFFxxxxWAVE", do sub-chunks
575 while(!feof(infile)) {
576 if(!read_little_endian_uint32(infile, &xx, true, encoder_session.inbasefilename))
577 return EncoderSession_finish_error(&encoder_session);
580 if(xx == 0x20746d66 && !got_fmt_chunk) { /* "fmt " */
581 unsigned block_align;
583 /* fmt sub-chunk size */
584 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
585 return EncoderSession_finish_error(&encoder_session);
587 fprintf(stderr, "%s: ERROR: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
588 return EncoderSession_finish_error(&encoder_session);
590 else if(xx != 16 && xx != 18) {
591 fprintf(stderr, "%s: WARNING: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
594 /* compression code */
595 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
596 return EncoderSession_finish_error(&encoder_session);
598 fprintf(stderr, "%s: ERROR: unsupported compression type %u\n", encoder_session.inbasefilename, (unsigned)x);
599 return EncoderSession_finish_error(&encoder_session);
601 /* number of channels */
602 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
603 return EncoderSession_finish_error(&encoder_session);
604 if(x == 0 || x > FLAC__MAX_CHANNELS) {
605 fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned)x);
606 return EncoderSession_finish_error(&encoder_session);
608 else if(options.common.sector_align && x != 2) {
609 fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
610 return EncoderSession_finish_error(&encoder_session);
614 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
615 return EncoderSession_finish_error(&encoder_session);
616 if(!FLAC__format_sample_rate_is_valid(xx)) {
617 fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned)xx);
618 return EncoderSession_finish_error(&encoder_session);
620 else if(options.common.sector_align && xx != 44100) {
621 fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned)xx);
622 return EncoderSession_finish_error(&encoder_session);
625 /* avg bytes per second (ignored) */
626 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
627 return EncoderSession_finish_error(&encoder_session);
629 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
630 return EncoderSession_finish_error(&encoder_session);
632 /* bits per sample */
633 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
634 return EncoderSession_finish_error(&encoder_session);
635 if(x != 8 && x != 16 && x != 24) {
636 fprintf(stderr, "%s: ERROR: unsupported bits-per-sample %u\n", encoder_session.inbasefilename, (unsigned)x);
637 return EncoderSession_finish_error(&encoder_session);
639 else if(options.common.sector_align && x != 16) {
640 fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
641 return EncoderSession_finish_error(&encoder_session);
644 if(bps * channels != block_align * 8) {
645 fprintf(stderr, "%s: ERROR: unsupported block alignment (%u), for bits-per-sample=%u, channels=%u\n", encoder_session.inbasefilename, block_align, bps, channels);
646 return EncoderSession_finish_error(&encoder_session);
648 is_unsigned_samples = (x == 8);
650 /* skip any extra data in the fmt sub-chunk */
654 for(left = data_bytes; left > 0; ) {
655 need = min(left, CHUNK_OF_SAMPLES);
656 if(fread(ucbuffer_, 1U, need, infile) < need) {
657 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
658 return EncoderSession_finish_error(&encoder_session);
665 * now that we know the sample rate, canonicalize the
666 * --skip string to a number of samples:
668 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
669 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
670 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
671 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
673 got_fmt_chunk = true;
675 else if(xx == 0x61746164 && !got_data_chunk && got_fmt_chunk) { /* "data" */
676 FLAC__uint64 total_samples_in_input, trim = 0;
679 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
680 return EncoderSession_finish_error(&encoder_session);
683 bytes_per_wide_sample = channels * (bps >> 3);
685 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
686 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
687 total_samples_in_input = data_bytes / bytes_per_wide_sample + *options.common.align_reservoir_samples;
690 * now that we know the input size, canonicalize the
691 * --until string to an absolute sample number:
693 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
694 return EncoderSession_finish_error(&encoder_session);
695 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
696 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
698 if(encoder_session.skip > 0) {
699 if(fseek(infile, bytes_per_wide_sample * (unsigned)encoder_session.skip, SEEK_CUR) < 0) {
700 /* can't seek input, read ahead manually... */
702 for(left = (unsigned)encoder_session.skip; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
703 need = min(left, CHUNK_OF_SAMPLES);
704 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
705 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
706 return EncoderSession_finish_error(&encoder_session);
713 data_bytes -= (unsigned)encoder_session.skip * bytes_per_wide_sample; /*@@@ WATCHOUT: 4GB limit */
714 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
715 if(encoder_session.until > 0) {
716 trim = total_samples_in_input - encoder_session.until;
717 FLAC__ASSERT(total_samples_in_input > 0);
718 FLAC__ASSERT(!options.common.sector_align);
719 data_bytes -= (unsigned int)trim * bytes_per_wide_sample;
720 encoder_session.total_samples_to_encode -= trim;
722 if(options.common.sector_align) {
723 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
724 if(options.common.is_last_file)
725 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
727 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
730 /* +44 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
731 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample + 44;
733 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
734 return EncoderSession_finish_error(&encoder_session);
737 * first do any samples in the reservoir
739 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
740 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
741 print_error_with_state(&encoder_session, "ERROR during encoding");
742 return EncoderSession_finish_error(&encoder_session);
747 * decrement the data_bytes counter if we need to align the file
749 if(options.common.sector_align) {
750 if(options.common.is_last_file) {
751 *options.common.align_reservoir_samples = 0;
754 *options.common.align_reservoir_samples = align_remainder;
755 data_bytes -= (*options.common.align_reservoir_samples) * bytes_per_wide_sample;
760 * now do from the file
762 while(data_bytes > 0) {
763 bytes_read = fread(ucbuffer_, sizeof(unsigned char), min(data_bytes, CHUNK_OF_SAMPLES * bytes_per_wide_sample), infile);
764 if(bytes_read == 0) {
766 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
767 return EncoderSession_finish_error(&encoder_session);
769 else if(feof(infile)) {
770 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);
775 if(bytes_read % bytes_per_wide_sample != 0) {
776 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
777 return EncoderSession_finish_error(&encoder_session);
780 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
781 format_input(input_, wide_samples, false, is_unsigned_samples, channels, bps);
783 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
784 print_error_with_state(&encoder_session, "ERROR during encoding");
785 return EncoderSession_finish_error(&encoder_session);
787 data_bytes -= bytes_read;
793 if(fseek(infile, bytes_per_wide_sample * (unsigned)trim, SEEK_CUR) < 0) {
794 /* can't seek input, read ahead manually... */
796 for(left = (unsigned)trim; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
797 need = min(left, CHUNK_OF_SAMPLES);
798 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
799 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
800 return EncoderSession_finish_error(&encoder_session);
808 * now read unaligned samples into reservoir or pad with zeroes if necessary
810 if(options.common.sector_align) {
811 if(options.common.is_last_file) {
812 unsigned wide_samples = 588 - align_remainder;
813 if(wide_samples < 588) {
816 info_align_zero = wide_samples;
817 data_bytes = wide_samples * (bps >> 3);
818 for(channel = 0; channel < channels; channel++)
819 memset(input_[channel], 0, data_bytes);
821 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
822 print_error_with_state(&encoder_session, "ERROR during encoding");
823 return EncoderSession_finish_error(&encoder_session);
828 if(*options.common.align_reservoir_samples > 0) {
829 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
830 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
831 if(bytes_read == 0 && ferror(infile)) {
832 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
833 return EncoderSession_finish_error(&encoder_session);
835 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
836 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);
840 info_align_carry = *options.common.align_reservoir_samples;
841 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, is_unsigned_samples, channels, bps);
847 got_data_chunk = true;
850 if(xx == 0x20746d66 && got_fmt_chunk) { /* "fmt " */
851 fprintf(stderr, "%s: WARNING: skipping extra 'fmt ' sub-chunk\n", encoder_session.inbasefilename);
853 else if(xx == 0x61746164) { /* "data" */
855 fprintf(stderr, "%s: WARNING: skipping extra 'data' sub-chunk\n", encoder_session.inbasefilename);
857 else if(!got_fmt_chunk) {
858 fprintf(stderr, "%s: ERROR: got 'data' sub-chunk before 'fmt' sub-chunk\n", encoder_session.inbasefilename);
859 return EncoderSession_finish_error(&encoder_session);
866 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));
869 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
870 return EncoderSession_finish_error(&encoder_session);
871 if(fseek(infile, xx, SEEK_CUR) < 0) {
872 /* can't seek input, read ahead manually... */
874 const unsigned chunk = sizeof(ucbuffer_);
875 for(left = xx; left > 0; ) {
876 need = min(left, chunk);
877 if(fread(ucbuffer_, 1, need, infile) < need) {
878 fprintf(stderr, "%s: ERROR during read while skipping unsupported sub-chunk\n", encoder_session.inbasefilename);
879 return EncoderSession_finish_error(&encoder_session);
887 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
890 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)
892 EncoderSession encoder_session;
894 const size_t bytes_per_wide_sample = options.channels * (options.bps >> 3);
895 unsigned align_remainder = 0;
896 int info_align_carry = -1, info_align_zero = -1;
897 FLAC__uint64 total_samples_in_input = 0;;
899 FLAC__ASSERT(!options.common.sector_align || options.channels == 2);
900 FLAC__ASSERT(!options.common.sector_align || options.bps == 16);
901 FLAC__ASSERT(!options.common.sector_align || options.sample_rate == 44100);
902 FLAC__ASSERT(!options.common.sector_align || infilesize >= 0);
903 FLAC__ASSERT(!options.common.replay_gain || options.channels <= 2);
904 FLAC__ASSERT(!options.common.replay_gain || grabbag__replaygain_is_valid_sample_frequency(options.sample_rate));
907 EncoderSession_construct(
910 options.common.use_ogg,
914 options.common.verify,
915 options.common.verbose,
924 * now that we know the sample rate, canonicalize the
925 * --skip string to a number of samples:
927 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, options.sample_rate);
928 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
929 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
930 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
933 total_samples_in_input = 0;
935 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
936 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
937 total_samples_in_input = (unsigned)infilesize / bytes_per_wide_sample + *options.common.align_reservoir_samples;
941 * now that we know the input size, canonicalize the
942 * --until strings to a number of samples:
944 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, options.sample_rate, encoder_session.skip, total_samples_in_input))
945 return EncoderSession_finish_error(&encoder_session);
946 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
947 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
949 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
950 if(encoder_session.until > 0) {
951 const FLAC__uint64 trim = total_samples_in_input - encoder_session.until;
952 FLAC__ASSERT(total_samples_in_input > 0);
953 FLAC__ASSERT(!options.common.sector_align);
954 encoder_session.total_samples_to_encode -= trim;
956 if(infilesize >= 0 && options.common.sector_align) {
957 FLAC__ASSERT(encoder_session.skip == 0);
958 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
959 if(options.common.is_last_file)
960 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
962 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
964 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
966 if(encoder_session.verbose && encoder_session.total_samples_to_encode <= 0)
967 fprintf(stderr, "(No runtime statistics possible; please wait for encoding to finish...)\n");
969 if(encoder_session.skip > 0) {
970 unsigned skip_bytes = bytes_per_wide_sample * (unsigned)encoder_session.skip;
971 if(skip_bytes > lookahead_length) {
972 skip_bytes -= lookahead_length;
973 lookahead_length = 0;
974 if(fseek(infile, (long)skip_bytes, SEEK_CUR) < 0) {
975 /* can't seek input, read ahead manually... */
977 const unsigned chunk = sizeof(ucbuffer_);
978 for(left = skip_bytes; left > 0; ) {
979 need = min(left, chunk);
980 if(fread(ucbuffer_, 1, need, infile) < need) {
981 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
982 return EncoderSession_finish_error(&encoder_session);
989 lookahead += skip_bytes;
990 lookahead_length -= skip_bytes;
994 if(!EncoderSession_init_encoder(&encoder_session, options.common, options.channels, options.bps, options.sample_rate))
995 return EncoderSession_finish_error(&encoder_session);
998 * first do any samples in the reservoir
1000 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
1001 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
1002 print_error_with_state(&encoder_session, "ERROR during encoding");
1003 return EncoderSession_finish_error(&encoder_session);
1008 * decrement infilesize if we need to align the file
1010 if(options.common.sector_align) {
1011 FLAC__ASSERT(infilesize >= 0);
1012 if(options.common.is_last_file) {
1013 *options.common.align_reservoir_samples = 0;
1016 *options.common.align_reservoir_samples = align_remainder;
1017 infilesize -= (long)((*options.common.align_reservoir_samples) * bytes_per_wide_sample);
1018 FLAC__ASSERT(infilesize >= 0);
1023 * now do from the file
1025 if(infilesize < 0) {
1026 while(!feof(infile)) {
1027 if(lookahead_length > 0) {
1028 FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1029 memcpy(ucbuffer_, lookahead, lookahead_length);
1030 bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample - lookahead_length, infile) + lookahead_length;
1031 if(ferror(infile)) {
1032 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1033 return EncoderSession_finish_error(&encoder_session);
1035 lookahead_length = 0;
1038 bytes_read = fread(ucbuffer_, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
1040 if(bytes_read == 0) {
1041 if(ferror(infile)) {
1042 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1043 return EncoderSession_finish_error(&encoder_session);
1046 else if(bytes_read % bytes_per_wide_sample != 0) {
1047 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1048 return EncoderSession_finish_error(&encoder_session);
1051 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1052 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1054 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1055 print_error_with_state(&encoder_session, "ERROR during encoding");
1056 return EncoderSession_finish_error(&encoder_session);
1062 const FLAC__uint64 max_input_bytes = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
1063 FLAC__uint64 total_input_bytes_read = 0;
1064 while(total_input_bytes_read < max_input_bytes) {
1066 size_t wanted = (CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1067 wanted = min(wanted, (size_t)(max_input_bytes - total_input_bytes_read));
1069 if(lookahead_length > 0) {
1070 FLAC__ASSERT(lookahead_length <= wanted);
1071 memcpy(ucbuffer_, lookahead, lookahead_length);
1072 wanted -= lookahead_length;
1073 bytes_read = lookahead_length;
1075 bytes_read += fread(ucbuffer_+lookahead_length, sizeof(unsigned char), wanted, infile);
1076 if(ferror(infile)) {
1077 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1078 return EncoderSession_finish_error(&encoder_session);
1081 lookahead_length = 0;
1084 bytes_read = fread(ucbuffer_, sizeof(unsigned char), wanted, infile);
1087 if(bytes_read == 0) {
1088 if(ferror(infile)) {
1089 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1090 return EncoderSession_finish_error(&encoder_session);
1092 else if(feof(infile)) {
1093 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);
1094 total_input_bytes_read = max_input_bytes;
1098 if(bytes_read % bytes_per_wide_sample != 0) {
1099 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1100 return EncoderSession_finish_error(&encoder_session);
1103 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1104 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1106 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1107 print_error_with_state(&encoder_session, "ERROR during encoding");
1108 return EncoderSession_finish_error(&encoder_session);
1110 total_input_bytes_read += bytes_read;
1117 * now read unaligned samples into reservoir or pad with zeroes if necessary
1119 if(options.common.sector_align) {
1120 if(options.common.is_last_file) {
1121 unsigned wide_samples = 588 - align_remainder;
1122 if(wide_samples < 588) {
1123 unsigned channel, data_bytes;
1125 info_align_zero = wide_samples;
1126 data_bytes = wide_samples * (options.bps >> 3);
1127 for(channel = 0; channel < options.channels; channel++)
1128 memset(input_[channel], 0, data_bytes);
1130 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1131 print_error_with_state(&encoder_session, "ERROR during encoding");
1132 return EncoderSession_finish_error(&encoder_session);
1137 if(*options.common.align_reservoir_samples > 0) {
1138 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
1139 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
1140 if(bytes_read == 0 && ferror(infile)) {
1141 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1142 return EncoderSession_finish_error(&encoder_session);
1144 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
1145 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);
1148 info_align_carry = *options.common.align_reservoir_samples;
1149 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, options.is_unsigned_samples, options.channels, options.bps);
1155 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
1158 FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FLAC__bool verbose, FILE *infile, const char *infilename, const char *outfilename)
1161 FLAC__uint32 test = 1;
1164 * initialize globals
1167 is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
1169 for(i = 0; i < FLAC__MAX_CHANNELS; i++)
1170 input_[i] = &(in_[i][0]);
1174 * initialize instance
1177 #ifdef FLAC__HAS_OGG
1178 e->use_ogg = use_ogg;
1183 e->verbose = verbose;
1185 e->is_stdout = (0 == strcmp(outfilename, "-"));
1187 e->inbasefilename = grabbag__file_get_basename(infilename);
1188 e->outfilename = outfilename;
1190 e->skip = 0; /* filled in later after the sample_rate is known */
1191 e->unencoded_size = 0;
1192 e->total_samples_to_encode = 0;
1193 e->bytes_written = 0;
1194 e->samples_written = 0;
1198 e->encoder.flac.stream = 0;
1199 e->encoder.flac.file = 0;
1200 #ifdef FLAC__HAS_OGG
1201 e->encoder.ogg.stream = 0;
1206 e->seek_table_template = 0;
1209 e->fout = grabbag__file_get_binary_stdout();
1211 #ifdef FLAC__HAS_OGG
1214 if(0 == (e->fout = fopen(outfilename, "wb"))) {
1215 fprintf(stderr, "%s: ERROR: can't open output file %s\n", e->inbasefilename, outfilename);
1216 EncoderSession_destroy(e);
1223 if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) {
1224 fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1228 #ifdef FLAC__HAS_OGG
1230 e->encoder.ogg.stream = OggFLAC__stream_encoder_new();
1231 if(0 == e->encoder.ogg.stream) {
1232 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1233 EncoderSession_destroy(e);
1240 e->encoder.flac.stream = FLAC__stream_encoder_new();
1241 if(0 == e->encoder.flac.stream) {
1242 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1243 EncoderSession_destroy(e);
1248 e->encoder.flac.file = FLAC__file_encoder_new();
1249 if(0 == e->encoder.flac.file) {
1250 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1251 EncoderSession_destroy(e);
1259 void EncoderSession_destroy(EncoderSession *e)
1263 if(0 != e->fout && e->fout != stdout)
1266 #ifdef FLAC__HAS_OGG
1268 if(0 != e->encoder.ogg.stream) {
1269 OggFLAC__stream_encoder_delete(e->encoder.ogg.stream);
1270 e->encoder.ogg.stream = 0;
1276 if(0 != e->encoder.flac.stream) {
1277 FLAC__stream_encoder_delete(e->encoder.flac.stream);
1278 e->encoder.flac.stream = 0;
1282 if(0 != e->encoder.flac.file) {
1283 FLAC__file_encoder_delete(e->encoder.flac.file);
1284 e->encoder.flac.file = 0;
1288 if(0 != e->seek_table_template) {
1289 FLAC__metadata_object_delete(e->seek_table_template);
1290 e->seek_table_template = 0;
1294 int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero)
1296 FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK;
1299 #ifdef FLAC__HAS_OGG
1301 if(e->encoder.ogg.stream) {
1302 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1303 OggFLAC__stream_encoder_finish(e->encoder.ogg.stream);
1309 if(e->encoder.flac.stream) {
1310 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1311 FLAC__stream_encoder_finish(e->encoder.flac.stream);
1315 if(e->encoder.flac.file) {
1316 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1317 FLAC__file_encoder_finish(e->encoder.flac.file);
1321 if(e->verbose && e->total_samples_to_encode > 0) {
1323 fprintf(stderr, "\n");
1326 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) {
1327 print_verify_error(e);
1331 if(info_align_carry >= 0)
1332 fprintf(stderr, "%s: INFO: sector alignment causing %d samples to be carried over\n", e->inbasefilename, info_align_carry);
1333 if(info_align_zero >= 0)
1334 fprintf(stderr, "%s: INFO: sector alignment causing %d zero samples to be appended\n", e->inbasefilename, info_align_zero);
1337 EncoderSession_destroy(e);
1342 int EncoderSession_finish_error(EncoderSession *e)
1344 FLAC__StreamEncoderState fse_state;
1346 if(e->verbose && e->total_samples_to_encode > 0)
1347 fprintf(stderr, "\n");
1349 #ifdef FLAC__HAS_OGG
1351 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1356 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1359 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1362 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
1363 print_verify_error(e);
1365 unlink(e->outfilename);
1367 EncoderSession_destroy(e);
1372 FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate)
1374 unsigned num_metadata;
1375 FLAC__StreamMetadata padding, *cuesheet = 0;
1376 FLAC__StreamMetadata *metadata[4];
1378 e->replay_gain = options.replay_gain;
1379 e->channels = channels;
1380 e->bits_per_sample = bps;
1381 e->sample_rate = sample_rate;
1383 if(e->replay_gain) {
1384 if(channels != 1 && channels != 2) {
1385 fprintf(stderr, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gain\n", e->inbasefilename, channels);
1388 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
1389 fprintf(stderr, "%s: ERROR, invalid sample rate (%u) for --replay-gain\n", e->inbasefilename, sample_rate);
1392 if(options.is_first_file) {
1393 if(!grabbag__replaygain_init(sample_rate)) {
1394 fprintf(stderr, "%s: ERROR initializing ReplayGain stage\n", e->inbasefilename);
1401 options.do_mid_side = options.loose_mid_side = false;
1403 if(!parse_cuesheet_(&cuesheet, options.cuesheet_filename, e->inbasefilename, e->total_samples_to_encode))
1406 if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? cuesheet : 0, e)) {
1407 fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1414 if(e->seek_table_template->data.seek_table.num_points > 0) {
1415 e->seek_table_template->is_last = false; /* the encoder will set this for us */
1416 metadata[num_metadata++] = e->seek_table_template;
1419 metadata[num_metadata++] = cuesheet;
1420 metadata[num_metadata++] = options.vorbis_comment;
1421 if(options.padding > 0) {
1422 padding.is_last = false; /* the encoder will set this for us */
1423 padding.type = FLAC__METADATA_TYPE_PADDING;
1424 padding.length = (unsigned)options.padding;
1425 metadata[num_metadata++] = &padding;
1428 e->blocksize = options.blocksize;
1429 e->stats_mask = (options.do_exhaustive_model_search || options.do_qlp_coeff_prec_search)? 0x0f : 0x3f;
1431 #ifdef FLAC__HAS_OGG
1433 if(options.has_serial_number)
1434 OggFLAC__stream_encoder_set_serial_number(e->encoder.ogg.stream, options.serial_number);
1435 OggFLAC__stream_encoder_set_verify(e->encoder.ogg.stream, options.verify);
1436 OggFLAC__stream_encoder_set_streamable_subset(e->encoder.ogg.stream, !options.lax);
1437 OggFLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.ogg.stream, options.do_mid_side);
1438 OggFLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.ogg.stream, options.loose_mid_side);
1439 OggFLAC__stream_encoder_set_channels(e->encoder.ogg.stream, channels);
1440 OggFLAC__stream_encoder_set_bits_per_sample(e->encoder.ogg.stream, bps);
1441 OggFLAC__stream_encoder_set_sample_rate(e->encoder.ogg.stream, sample_rate);
1442 OggFLAC__stream_encoder_set_blocksize(e->encoder.ogg.stream, options.blocksize);
1443 OggFLAC__stream_encoder_set_max_lpc_order(e->encoder.ogg.stream, options.max_lpc_order);
1444 OggFLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.ogg.stream, options.qlp_coeff_precision);
1445 OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.stream, options.do_qlp_coeff_prec_search);
1446 OggFLAC__stream_encoder_set_do_escape_coding(e->encoder.ogg.stream, options.do_escape_coding);
1447 OggFLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.ogg.stream, options.do_exhaustive_model_search);
1448 OggFLAC__stream_encoder_set_min_residual_partition_order(e->encoder.ogg.stream, options.min_residual_partition_order);
1449 OggFLAC__stream_encoder_set_max_residual_partition_order(e->encoder.ogg.stream, options.max_residual_partition_order);
1450 OggFLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.ogg.stream, options.rice_parameter_search_dist);
1451 OggFLAC__stream_encoder_set_total_samples_estimate(e->encoder.ogg.stream, e->total_samples_to_encode);
1452 OggFLAC__stream_encoder_set_metadata(e->encoder.ogg.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1453 OggFLAC__stream_encoder_set_write_callback(e->encoder.ogg.stream, ogg_stream_encoder_write_callback);
1454 OggFLAC__stream_encoder_set_client_data(e->encoder.ogg.stream, e);
1456 OggFLAC__stream_encoder_disable_constant_subframes(e->encoder.ogg.stream, options.debug.disable_constant_subframes);
1457 OggFLAC__stream_encoder_disable_fixed_subframes(e->encoder.ogg.stream, options.debug.disable_fixed_subframes);
1458 OggFLAC__stream_encoder_disable_verbatim_subframes(e->encoder.ogg.stream, options.debug.disable_verbatim_subframes);
1460 if(OggFLAC__stream_encoder_init(e->encoder.ogg.stream) != FLAC__STREAM_ENCODER_OK) {
1461 print_error_with_state(e, "ERROR initializing encoder");
1470 FLAC__stream_encoder_set_verify(e->encoder.flac.stream, options.verify);
1471 FLAC__stream_encoder_set_streamable_subset(e->encoder.flac.stream, !options.lax);
1472 FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.flac.stream, options.do_mid_side);
1473 FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.flac.stream, options.loose_mid_side);
1474 FLAC__stream_encoder_set_channels(e->encoder.flac.stream, channels);
1475 FLAC__stream_encoder_set_bits_per_sample(e->encoder.flac.stream, bps);
1476 FLAC__stream_encoder_set_sample_rate(e->encoder.flac.stream, sample_rate);
1477 FLAC__stream_encoder_set_blocksize(e->encoder.flac.stream, options.blocksize);
1478 FLAC__stream_encoder_set_max_lpc_order(e->encoder.flac.stream, options.max_lpc_order);
1479 FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.flac.stream, options.qlp_coeff_precision);
1480 FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.stream, options.do_qlp_coeff_prec_search);
1481 FLAC__stream_encoder_set_do_escape_coding(e->encoder.flac.stream, options.do_escape_coding);
1482 FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.flac.stream, options.do_exhaustive_model_search);
1483 FLAC__stream_encoder_set_min_residual_partition_order(e->encoder.flac.stream, options.min_residual_partition_order);
1484 FLAC__stream_encoder_set_max_residual_partition_order(e->encoder.flac.stream, options.max_residual_partition_order);
1485 FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.flac.stream, options.rice_parameter_search_dist);
1486 FLAC__stream_encoder_set_total_samples_estimate(e->encoder.flac.stream, e->total_samples_to_encode);
1487 FLAC__stream_encoder_set_metadata(e->encoder.flac.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1488 FLAC__stream_encoder_set_write_callback(e->encoder.flac.stream, flac_stream_encoder_write_callback);
1489 FLAC__stream_encoder_set_metadata_callback(e->encoder.flac.stream, flac_stream_encoder_metadata_callback);
1490 FLAC__stream_encoder_set_client_data(e->encoder.flac.stream, e);
1492 FLAC__stream_encoder_disable_constant_subframes(e->encoder.flac.stream, options.debug.disable_constant_subframes);
1493 FLAC__stream_encoder_disable_fixed_subframes(e->encoder.flac.stream, options.debug.disable_fixed_subframes);
1494 FLAC__stream_encoder_disable_verbatim_subframes(e->encoder.flac.stream, options.debug.disable_verbatim_subframes);
1496 if(FLAC__stream_encoder_init(e->encoder.flac.stream) != FLAC__STREAM_ENCODER_OK) {
1497 print_error_with_state(e, "ERROR initializing encoder");
1504 FLAC__file_encoder_set_filename(e->encoder.flac.file, e->outfilename);
1505 FLAC__file_encoder_set_verify(e->encoder.flac.file, options.verify);
1506 FLAC__file_encoder_set_streamable_subset(e->encoder.flac.file, !options.lax);
1507 FLAC__file_encoder_set_do_mid_side_stereo(e->encoder.flac.file, options.do_mid_side);
1508 FLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.flac.file, options.loose_mid_side);
1509 FLAC__file_encoder_set_channels(e->encoder.flac.file, channels);
1510 FLAC__file_encoder_set_bits_per_sample(e->encoder.flac.file, bps);
1511 FLAC__file_encoder_set_sample_rate(e->encoder.flac.file, sample_rate);
1512 FLAC__file_encoder_set_blocksize(e->encoder.flac.file, options.blocksize);
1513 FLAC__file_encoder_set_max_lpc_order(e->encoder.flac.file, options.max_lpc_order);
1514 FLAC__file_encoder_set_qlp_coeff_precision(e->encoder.flac.file, options.qlp_coeff_precision);
1515 FLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.file, options.do_qlp_coeff_prec_search);
1516 FLAC__file_encoder_set_do_escape_coding(e->encoder.flac.file, options.do_escape_coding);
1517 FLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.flac.file, options.do_exhaustive_model_search);
1518 FLAC__file_encoder_set_min_residual_partition_order(e->encoder.flac.file, options.min_residual_partition_order);
1519 FLAC__file_encoder_set_max_residual_partition_order(e->encoder.flac.file, options.max_residual_partition_order);
1520 FLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.flac.file, options.rice_parameter_search_dist);
1521 FLAC__file_encoder_set_total_samples_estimate(e->encoder.flac.file, e->total_samples_to_encode);
1522 FLAC__file_encoder_set_metadata(e->encoder.flac.file, (num_metadata > 0)? metadata : 0, num_metadata);
1523 FLAC__file_encoder_set_progress_callback(e->encoder.flac.file, flac_file_encoder_progress_callback);
1524 FLAC__file_encoder_set_client_data(e->encoder.flac.file, e);
1526 FLAC__file_encoder_disable_constant_subframes(e->encoder.flac.file, options.debug.disable_constant_subframes);
1527 FLAC__file_encoder_disable_fixed_subframes(e->encoder.flac.file, options.debug.disable_fixed_subframes);
1528 FLAC__file_encoder_disable_verbatim_subframes(e->encoder.flac.file, options.debug.disable_verbatim_subframes);
1530 if(FLAC__file_encoder_init(e->encoder.flac.file) != FLAC__FILE_ENCODER_OK) {
1531 print_error_with_state(e, "ERROR initializing encoder");
1544 FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples)
1546 if(e->replay_gain) {
1547 if(!grabbag__replaygain_analyze(buffer, e->channels==2, e->bits_per_sample, samples))
1548 fprintf(stderr, "%s: WARNING, error while calculating ReplayGain\n", e->inbasefilename);
1551 #ifdef FLAC__HAS_OGG
1553 return OggFLAC__stream_encoder_process(e->encoder.ogg.stream, buffer, samples);
1558 return FLAC__stream_encoder_process(e->encoder.flac.stream, buffer, samples);
1561 return FLAC__file_encoder_process(e->encoder.flac.file, buffer, samples);
1565 FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e)
1567 FLAC__bool only_placeholders;
1568 FLAC__bool has_real_points;
1570 if(num_requested_seek_points == 0 && 0 == cuesheet)
1573 if(num_requested_seek_points < 0) {
1574 requested_seek_points = "10s;";
1575 num_requested_seek_points = 1;
1579 only_placeholders = true;
1580 #ifdef FLAC__HAS_OGG
1582 only_placeholders = true;
1585 only_placeholders = false;
1587 if(num_requested_seek_points > 0) {
1588 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))
1594 const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
1595 for(i = 0; i < cs->num_tracks; i++) {
1596 const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i;
1597 for(j = 0; j < tr->num_indices; j++) {
1598 if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset))
1600 has_real_points = true;
1604 if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true))
1608 if(has_real_points) {
1610 fprintf(stderr, "%s: WARNING, cannot write back seekpoints when encoding to stdout\n", e->inbasefilename);
1611 #ifdef FLAC__HAS_OGG
1613 fprintf(stderr, "%s: WARNING, cannot write back seekpoints when encoding to Ogg yet\n", e->inbasefilename);
1620 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
1622 /* convert from mm:ss.sss to sample number if necessary */
1623 flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
1625 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
1626 if(spec->is_relative && spec->value.samples == 0) {
1627 spec->is_relative = false;
1631 /* in any other case the total samples in the input must be known */
1632 if(total_samples_in_input == 0) {
1633 fprintf(stderr, "%s: ERROR, cannot use --until when input length is unknown\n", inbasefilename);
1637 FLAC__ASSERT(spec->value_is_samples);
1639 /* convert relative specifications to absolute */
1640 if(spec->is_relative) {
1641 if(spec->value.samples <= 0)
1642 spec->value.samples += (FLAC__int64)total_samples_in_input;
1644 spec->value.samples += skip;
1645 spec->is_relative = false;
1649 if(spec->value.samples < 0) {
1650 fprintf(stderr, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
1653 if((FLAC__uint64)spec->value.samples <= skip) {
1654 fprintf(stderr, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
1657 if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
1658 fprintf(stderr, "%s: ERROR, --until value is after end of input\n", inbasefilename);
1665 void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps)
1667 unsigned wide_sample, sample, channel, byte;
1670 if(is_unsigned_samples) {
1671 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1672 for(channel = 0; channel < channels; channel++, sample++)
1673 dest[channel][wide_sample] = (FLAC__int32)ucbuffer_[sample] - 0x80;
1676 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1677 for(channel = 0; channel < channels; channel++, sample++)
1678 dest[channel][wide_sample] = (FLAC__int32)scbuffer_[sample];
1681 else if(bps == 16) {
1682 if(is_big_endian != is_big_endian_host_) {
1684 const unsigned bytes = wide_samples * channels * (bps >> 3);
1685 for(byte = 0; byte < bytes; byte += 2) {
1686 tmp = ucbuffer_[byte];
1687 ucbuffer_[byte] = ucbuffer_[byte+1];
1688 ucbuffer_[byte+1] = tmp;
1691 if(is_unsigned_samples) {
1692 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1693 for(channel = 0; channel < channels; channel++, sample++)
1694 dest[channel][wide_sample] = (FLAC__int32)usbuffer_[sample] - 0x8000;
1697 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1698 for(channel = 0; channel < channels; channel++, sample++)
1699 dest[channel][wide_sample] = (FLAC__int32)ssbuffer_[sample];
1702 else if(bps == 24) {
1703 if(!is_big_endian) {
1705 const unsigned bytes = wide_samples * channels * (bps >> 3);
1706 for(byte = 0; byte < bytes; byte += 3) {
1707 tmp = ucbuffer_[byte];
1708 ucbuffer_[byte] = ucbuffer_[byte+2];
1709 ucbuffer_[byte+2] = tmp;
1712 if(is_unsigned_samples) {
1713 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1714 for(channel = 0; channel < channels; channel++, sample++) {
1715 dest[channel][wide_sample] = ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1716 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1717 dest[channel][wide_sample] |= ucbuffer_[byte++];
1718 dest[channel][wide_sample] -= 0x800000;
1722 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1723 for(channel = 0; channel < channels; channel++, sample++) {
1724 dest[channel][wide_sample] = scbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1725 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1726 dest[channel][wide_sample] |= ucbuffer_[byte++];
1735 #ifdef FLAC__HAS_OGG
1736 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)
1738 EncoderSession *encoder_session = (EncoderSession*)client_data;
1742 encoder_session->bytes_written += bytes;
1744 * With Ogg FLAC we don't get one write callback per frame and
1745 * we don't have good number for 'samples', so we estimate based
1746 * on the frame number and the knowledge that all blocks (except
1747 * the last) are the same size.
1750 encoder_session->samples_written = (current_frame+1) * encoder_session->blocksize;
1752 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1753 print_stats(encoder_session);
1755 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1756 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1758 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1762 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)
1764 EncoderSession *encoder_session = (EncoderSession*)client_data;
1768 encoder_session->bytes_written += bytes;
1769 encoder_session->samples_written += samples;
1771 if(samples && encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1772 print_stats(encoder_session);
1774 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1775 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1777 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1780 void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
1783 * Nothing to do; if we get here, we're decoding to stdout, in
1784 * which case we can't seek backwards to write new metadata.
1786 (void)encoder, (void)metadata, (void)client_data;
1789 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)
1791 EncoderSession *encoder_session = (EncoderSession*)client_data;
1793 (void)encoder, (void)total_frames_estimate;
1795 encoder_session->bytes_written = bytes_written;
1796 encoder_session->samples_written = samples_written;
1798 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !((frames_written-1) & encoder_session->stats_mask))
1799 print_stats(encoder_session);
1802 FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__uint64 lead_out_offset)
1805 unsigned last_line_read;
1806 const char *error_message;
1808 if(0 == cuesheet_filename)
1811 if(lead_out_offset == 0) {
1812 fprintf(stderr, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknown\n", inbasefilename);
1816 if(0 == (f = fopen(cuesheet_filename, "r"))) {
1817 fprintf(stderr, "%s: ERROR opening cuesheet \"%s\" for reading\n", inbasefilename, cuesheet_filename);
1821 *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, /*@@@is_cdda=*/true, lead_out_offset);
1825 if(0 == *cuesheet) {
1826 fprintf(stderr, "%s: ERROR parsing cuesheet \"%s\" on line %u: %s\n", inbasefilename, cuesheet_filename, last_line_read, error_message);
1833 void print_stats(const EncoderSession *encoder_session)
1835 const FLAC__uint64 samples_written = min(encoder_session->total_samples_to_encode, encoder_session->samples_written);
1836 #if defined _MSC_VER || defined __MINGW32__
1837 /* with VC++ you have to spoon feed it the casting */
1838 const double progress = (double)(FLAC__int64)samples_written / (double)(FLAC__int64)encoder_session->total_samples_to_encode;
1839 const double ratio = (double)(FLAC__int64)encoder_session->bytes_written / ((double)(FLAC__int64)encoder_session->unencoded_size * progress);
1841 const double progress = (double)samples_written / (double)encoder_session->total_samples_to_encode;
1842 const double ratio = (double)encoder_session->bytes_written / ((double)encoder_session->unencoded_size * progress);
1845 if(samples_written == encoder_session->total_samples_to_encode) {
1846 fprintf(stderr, "\r%s:%s wrote %u bytes, ratio=%0.3f",
1847 encoder_session->inbasefilename,
1848 encoder_session->verify? " Verify OK," : "",
1849 (unsigned)encoder_session->bytes_written,
1854 fprintf(stderr, "\r%s: %u%% complete, ratio=%0.3f", encoder_session->inbasefilename, (unsigned)floor(progress * 100.0 + 0.5), ratio);
1858 void print_error_with_state(const EncoderSession *e, const char *message)
1860 const int ilen = strlen(e->inbasefilename) + 1;
1862 fprintf(stderr, "\n%s: %s\n", e->inbasefilename, message);
1864 #ifdef FLAC__HAS_OGG
1866 const OggFLAC__StreamEncoderState ose_state = OggFLAC__stream_encoder_get_state(e->encoder.ogg.stream);
1867 if(ose_state != OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR) {
1868 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)ose_state, OggFLAC__StreamEncoderStateString[ose_state]);
1871 const FLAC__StreamEncoderState fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1872 if(fse_state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
1873 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fse_state, FLAC__StreamEncoderStateString[fse_state]);
1876 const FLAC__StreamDecoderState fsd_state = OggFLAC__stream_encoder_get_verify_decoder_state(e->encoder.ogg.stream);
1877 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsd_state, FLAC__StreamDecoderStateString[fsd_state]);
1884 const FLAC__StreamEncoderState fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1885 if(fse_state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
1886 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fse_state, FLAC__StreamEncoderStateString[fse_state]);
1889 const FLAC__StreamDecoderState fsd_state = FLAC__stream_encoder_get_verify_decoder_state(e->encoder.flac.stream);
1890 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsd_state, FLAC__StreamDecoderStateString[fsd_state]);
1894 const FLAC__FileEncoderState ffe_state = FLAC__file_encoder_get_state(e->encoder.flac.file);
1895 if(ffe_state != FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR) {
1896 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)ffe_state, FLAC__FileEncoderStateString[ffe_state]);
1899 const FLAC__SeekableStreamEncoderState fsse_state = FLAC__file_encoder_get_seekable_stream_encoder_state(e->encoder.flac.file);
1900 if(fsse_state != FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR) {
1901 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsse_state, FLAC__SeekableStreamEncoderStateString[fsse_state]);
1904 const FLAC__StreamEncoderState fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1905 if(fse_state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
1906 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fse_state, FLAC__StreamEncoderStateString[fse_state]);
1909 const FLAC__StreamDecoderState fsd_state = FLAC__file_encoder_get_verify_decoder_state(e->encoder.flac.file);
1910 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsd_state, FLAC__StreamDecoderStateString[fsd_state]);
1917 void print_verify_error(EncoderSession *e)
1919 FLAC__uint64 absolute_sample;
1920 unsigned frame_number;
1923 FLAC__int32 expected;
1926 #ifdef FLAC__HAS_OGG
1928 OggFLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.ogg.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1933 FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.flac.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1936 FLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.flac.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1939 fprintf(stderr, "%s: ERROR: mismatch in decoded data, verify FAILED!\n", e->inbasefilename);
1940 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);
1941 fprintf(stderr, " Please submit a bug report to\n");
1942 fprintf(stderr, " http://sourceforge.net/bugs/?func=addbug&group_id=13478\n");
1943 fprintf(stderr, " Make sure to include an email contact in the comment and/or use the\n");
1944 fprintf(stderr, " \"Monitor\" feature to monitor the bug status.\n");
1945 fprintf(stderr, "Verify FAILED! Do not trust %s\n", e->outfilename);
1948 FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
1950 size_t bytes_read = fread(val, 1, 2, f);
1952 if(bytes_read == 0) {
1954 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1960 else if(bytes_read < 2) {
1961 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1965 if(is_big_endian_host_) {
1966 FLAC__byte tmp, *b = (FLAC__byte*)val;
1967 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
1973 FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
1975 size_t bytes_read = fread(val, 1, 4, f);
1977 if(bytes_read == 0) {
1979 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1985 else if(bytes_read < 4) {
1986 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1990 if(is_big_endian_host_) {
1991 FLAC__byte tmp, *b = (FLAC__byte*)val;
1992 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
1993 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
2000 read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
2002 unsigned char buf[4];
2003 size_t bytes_read= fread(buf, 1, 2, f);
2005 if(bytes_read==0U && eof_ok)
2007 else if(bytes_read<2U) {
2008 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2012 /* this is independent of host endianness */
2013 *val= (FLAC__uint16)(buf[0])<<8 | buf[1];
2019 read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2021 unsigned char buf[4];
2022 size_t bytes_read= fread(buf, 1, 4, f);
2024 if(bytes_read==0U && eof_ok)
2026 else if(bytes_read<4U) {
2027 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2031 /* this is independent of host endianness */
2032 *val= (FLAC__uint32)(buf[0])<<24 | (FLAC__uint32)(buf[1])<<16 |
2033 (FLAC__uint32)(buf[2])<<8 | buf[3];
2039 read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2040 /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f',
2041 * convert it into an integral value and store in 'val'. Return false if only
2042 * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f' and 'eof_ok' is
2043 * false, or if the value is negative, between zero and one, or too large to be
2044 * represented by 'val'; return true otherwise.
2048 unsigned char buf[10];
2049 size_t bytes_read= fread(buf, 1U, 10U, f);
2050 FLAC__int16 e= ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF;
2051 FLAC__int16 shift= 63-e;
2054 if(bytes_read==0U && eof_ok)
2056 else if(bytes_read<10U) {
2057 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2060 else if((buf[0]>>7)==1U || e<0 || e>63) {
2061 fprintf(stderr, "%s: ERROR: invalid floating-point value\n", fn);
2065 for(i= 0U; i<8U; ++i)
2066 p|= (FLAC__uint64)(buf[i+2])<<(56U-i*8);
2067 *val= (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1));