1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002 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109 * unpublished debug routines from the FLAC libs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);
117 extern FLAC__bool OggFLAC__stream_encoder_disable_constant_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
118 extern FLAC__bool OggFLAC__stream_encoder_disable_fixed_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
119 extern FLAC__bool OggFLAC__stream_encoder_disable_verbatim_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
124 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);
125 static void EncoderSession_destroy(EncoderSession *e);
126 static int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero);
127 static int EncoderSession_finish_error(EncoderSession *e);
128 static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate);
129 static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples);
130 static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e);
131 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
132 static void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps);
134 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);
136 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);
137 static void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
138 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);
139 static FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__uint64 lead_out_offset);
140 static void print_stats(const EncoderSession *encoder_session);
141 static void print_error_with_state(const EncoderSession *e, const char *message);
142 static void print_verify_error(EncoderSession *e);
143 static FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
144 static FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
145 static FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
146 static FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
147 static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
153 flac__encode_aif(FILE *infile, long infilesize, const char *infilename, const char *outfilename,
154 const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
156 EncoderSession encoder_session;
159 unsigned int channels= 0U, bps= 0U, sample_rate= 0U, sample_frames= 0U;
160 FLAC__bool got_comm_chunk= false, got_ssnd_chunk= false;
161 int info_align_carry= -1, info_align_zero= -1;
163 (void)infilesize; /* silence compiler warning about unused parameter */
164 (void)lookahead; /* silence compiler warning about unused parameter */
165 (void)lookahead_length; /* silence compiler warning about unused parameter */
168 EncoderSession_construct(
171 options.common.use_ogg,
175 options.common.verify,
176 options.common.verbose,
184 /* lookahead[] already has "FORMxxxxAIFF", do sub-chunks */
190 /* chunk identifier; really conservative about behavior of fread() and feof() */
191 if(feof(infile) || ((c= fread(chunk_id, 1U, 4U, infile)), c==0U && feof(infile)))
193 else if(c<4U || feof(infile)) {
194 fprintf(stderr, "%s: ERROR: incomplete chunk identifier\n", encoder_session.inbasefilename);
195 return EncoderSession_finish_error(&encoder_session);
198 if(got_comm_chunk==false && !strncmp(chunk_id, "COMM", 4)) { /* common chunk */
201 /* COMM chunk size */
202 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
203 return EncoderSession_finish_error(&encoder_session);
205 fprintf(stderr, "%s: ERROR: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
206 return EncoderSession_finish_error(&encoder_session);
209 fprintf(stderr, "%s: WARNING: non-standard 'COMM' chunk has length = %u\n", encoder_session.inbasefilename, (unsigned int)xx);
210 skip= (xx-18U)+(xx & 1U);
212 /* number of channels */
213 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
214 return EncoderSession_finish_error(&encoder_session);
215 else if(x==0U || x>FLAC__MAX_CHANNELS) {
216 fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned int)x);
217 return EncoderSession_finish_error(&encoder_session);
219 else if(options.common.sector_align && x!=2U) {
220 fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
221 return EncoderSession_finish_error(&encoder_session);
225 /* number of sample frames */
226 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
227 return EncoderSession_finish_error(&encoder_session);
230 /* bits per sample */
231 if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
232 return EncoderSession_finish_error(&encoder_session);
233 else if(x!=8U && x!=16U && x!=24U) {
234 fprintf(stderr, "%s: ERROR: unsupported bits per sample %u\n", encoder_session.inbasefilename, (unsigned int)x);
235 return EncoderSession_finish_error(&encoder_session);
237 else if(options.common.sector_align && x!=16U) {
238 fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)x);
239 return EncoderSession_finish_error(&encoder_session);
244 if(!read_sane_extended(infile, &xx, false, encoder_session.inbasefilename))
245 return EncoderSession_finish_error(&encoder_session);
246 else if(!FLAC__format_sample_rate_is_valid(xx)) {
247 fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned int)xx);
248 return EncoderSession_finish_error(&encoder_session);
250 else if(options.common.sector_align && xx!=44100U) {
251 fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned int)xx);
252 return EncoderSession_finish_error(&encoder_session);
256 /* skip any extra data in the COMM chunk */
257 FLAC__ASSERT(skip<=LONG_MAX);
258 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
259 unsigned int need= min(skip, sizeof ucbuffer_);
260 if(fread(ucbuffer_, 1U, need, infile)<need) {
261 fprintf(stderr, "%s: ERROR during read while skipping extra COMM data\n", encoder_session.inbasefilename);
262 return EncoderSession_finish_error(&encoder_session);
268 * now that we know the sample rate, canonicalize the
269 * --skip string to a number of samples:
271 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
272 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
273 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
274 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
276 got_comm_chunk= true;
278 else if(got_ssnd_chunk==false && !strncmp(chunk_id, "SSND", 4)) { /* sound data chunk */
279 unsigned int offset= 0U, block_size= 0U, align_remainder= 0U, data_bytes;
280 size_t bytes_per_frame= channels*(bps>>3);
281 FLAC__uint64 total_samples_in_input, trim = 0;
282 FLAC__bool pad= false;
284 if(got_comm_chunk==false) {
285 fprintf(stderr, "%s: ERROR: got 'SSND' chunk before 'COMM' chunk\n", encoder_session.inbasefilename);
286 return EncoderSession_finish_error(&encoder_session);
289 /* SSND chunk size */
290 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
291 return EncoderSession_finish_error(&encoder_session);
292 else if(xx!=(sample_frames*bytes_per_frame + 8U)) {
293 fprintf(stderr, "%s: ERROR: SSND chunk size inconsistent with sample frame count\n", encoder_session.inbasefilename);
294 return EncoderSession_finish_error(&encoder_session);
297 pad= (data_bytes & 1U) ? true : false;
298 data_bytes-= 8U; /* discount the offset and block size fields */
301 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
302 return EncoderSession_finish_error(&encoder_session);
304 fprintf(stderr, "%s: ERROR: offset is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
305 return EncoderSession_finish_error(&encoder_session);
310 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
311 return EncoderSession_finish_error(&encoder_session);
313 fprintf(stderr, "%s: ERROR: block size is %u; must be 0\n", encoder_session.inbasefilename, (unsigned int)xx);
314 return EncoderSession_finish_error(&encoder_session);
318 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
319 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
320 total_samples_in_input = data_bytes / bytes_per_frame + *options.common.align_reservoir_samples;
323 * now that we know the input size, canonicalize the
324 * --until string to an absolute sample number:
326 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
327 return EncoderSession_finish_error(&encoder_session);
328 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
329 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
331 if(encoder_session.skip>0U) {
332 FLAC__uint64 remaining= encoder_session.skip*bytes_per_frame;
334 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
335 /* is guaranteed to be less than LONG_MAX */
338 unsigned long skip= (unsigned long)(remaining % (1U<<30));
340 FLAC__ASSERT(skip<=LONG_MAX);
341 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
342 unsigned int need= min(skip, sizeof ucbuffer_);
343 if(fread(ucbuffer_, 1U, need, infile)<need) {
344 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
345 return EncoderSession_finish_error(&encoder_session);
354 data_bytes-= (unsigned int)encoder_session.skip*bytes_per_frame; /*@@@ WATCHOUT: 4GB limit */
355 encoder_session.total_samples_to_encode= total_samples_in_input - encoder_session.skip;
356 if(encoder_session.until > 0) {
357 trim = total_samples_in_input - encoder_session.until;
358 FLAC__ASSERT(total_samples_in_input > 0);
359 FLAC__ASSERT(!options.common.sector_align);
360 data_bytes-= (unsigned int)trim*bytes_per_frame;
361 encoder_session.total_samples_to_encode-= trim;
363 if(options.common.sector_align) {
364 align_remainder= (unsigned int)(encoder_session.total_samples_to_encode % 588U);
365 if(options.common.is_last_file)
366 encoder_session.total_samples_to_encode+= (588U-align_remainder); /* will pad with zeroes */
368 encoder_session.total_samples_to_encode-= align_remainder; /* will stop short and carry over to next file */
371 /* +54 for the size of the AIFF headers; this is just an estimate for the progress indicator and doesn't need to be exact */
372 encoder_session.unencoded_size= encoder_session.total_samples_to_encode*bytes_per_frame+54;
374 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
375 return EncoderSession_finish_error(&encoder_session);
377 /* first do any samples in the reservoir */
378 if(options.common.sector_align && *options.common.align_reservoir_samples>0U) {
380 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
381 print_error_with_state(&encoder_session, "ERROR during encoding");
382 return EncoderSession_finish_error(&encoder_session);
386 /* decrement the data_bytes counter if we need to align the file */
387 if(options.common.sector_align) {
388 if(options.common.is_last_file)
389 *options.common.align_reservoir_samples= 0U;
391 *options.common.align_reservoir_samples= align_remainder;
392 data_bytes-= (*options.common.align_reservoir_samples)*bytes_per_frame;
396 /* now do from the file */
397 while(data_bytes>0) {
398 size_t bytes_read= fread(ucbuffer_, 1U, min(data_bytes, CHUNK_OF_SAMPLES*bytes_per_frame), infile);
402 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
403 return EncoderSession_finish_error(&encoder_session);
405 else if(feof(infile)) {
406 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);
411 if(bytes_read % bytes_per_frame != 0U) {
412 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
413 return EncoderSession_finish_error(&encoder_session);
416 unsigned int frames= bytes_read/bytes_per_frame;
417 format_input(input_, frames, true, false, channels, bps);
419 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, frames)) {
420 print_error_with_state(&encoder_session, "ERROR during encoding");
421 return EncoderSession_finish_error(&encoder_session);
424 data_bytes-= bytes_read;
430 FLAC__uint64 remaining= (unsigned int)trim*bytes_per_frame;
432 FLAC__ASSERT(!options.common.sector_align);
434 /* do 1<<30 bytes at a time, since 1<<30 is a nice round number, and */
435 /* is guaranteed to be less than LONG_MAX */
438 unsigned long skip= (unsigned long)(remaining % (1U<<30));
440 FLAC__ASSERT(skip<=LONG_MAX);
441 while(skip>0 && fseek(infile, skip, SEEK_CUR)<0) {
442 unsigned int need= min(skip, sizeof ucbuffer_);
443 if(fread(ucbuffer_, 1U, need, infile)<need) {
444 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
445 return EncoderSession_finish_error(&encoder_session);
454 /* now read unaligned samples into reservoir or pad with zeroes if necessary */
455 if(options.common.sector_align) {
456 if(options.common.is_last_file) {
457 unsigned int pad_frames= 588U-align_remainder;
459 if(pad_frames<588U) {
462 info_align_zero= pad_frames;
463 for(i= 0U; i<channels; ++i)
464 memset(input_[i], 0, pad_frames*(bps>>3));
466 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, pad_frames)) {
467 print_error_with_state(&encoder_session, "ERROR during encoding");
468 return EncoderSession_finish_error(&encoder_session);
473 if(*options.common.align_reservoir_samples > 0) {
474 size_t bytes_read= fread(ucbuffer_, 1U, (*options.common.align_reservoir_samples)*bytes_per_frame, infile);
476 FLAC__ASSERT(CHUNK_OF_SAMPLES>=588U);
477 if(bytes_read==0U && ferror(infile)) {
478 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
479 return EncoderSession_finish_error(&encoder_session);
481 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_frame)
482 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);
484 info_align_carry= *options.common.align_reservoir_samples;
485 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, true, false, channels, bps);
494 if(fread(&tmp, 1U, 1U, infile)<1U) {
495 fprintf(stderr, "%s: ERROR during read of SSND pad byte\n", encoder_session.inbasefilename);
496 return EncoderSession_finish_error(&encoder_session);
500 got_ssnd_chunk= true;
502 else { /* other chunk */
503 if(!strncmp(chunk_id, "COMM", 4))
504 fprintf(stderr, "%s: WARNING: skipping extra 'COMM' chunk\n", encoder_session.inbasefilename);
505 else if(!strncmp(chunk_id, "SSND", 4))
506 fprintf(stderr, "%s: WARNING: skipping extra 'SSND' chunk\n", encoder_session.inbasefilename);
508 fprintf(stderr, "%s: WARNING: skipping unknown chunk '%s'\n", encoder_session.inbasefilename, chunk_id);
511 if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
512 return EncoderSession_finish_error(&encoder_session);
514 unsigned long skip= xx+(xx & 1U);
516 FLAC__ASSERT(skip<=LONG_MAX);
517 while(skip>0U && fseek(infile, skip, SEEK_CUR)<0) {
518 unsigned int need= min(skip, sizeof ucbuffer_);
519 if(fread(ucbuffer_, 1U, need, infile)<need) {
520 fprintf(stderr, "%s: ERROR during read while skipping unknown chunk\n", encoder_session.inbasefilename);
521 return EncoderSession_finish_error(&encoder_session);
529 if(got_ssnd_chunk==false && sample_frames!=0U) {
530 fprintf(stderr, "%s: ERROR: missing SSND chunk\n", encoder_session.inbasefilename);
531 return EncoderSession_finish_error(&encoder_session);
534 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
537 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)
539 EncoderSession encoder_session;
540 FLAC__bool is_unsigned_samples = false;
541 unsigned channels = 0, bps = 0, sample_rate = 0, data_bytes;
542 size_t bytes_per_wide_sample, bytes_read;
545 FLAC__bool got_fmt_chunk = false, got_data_chunk = false;
546 unsigned align_remainder = 0;
547 int info_align_carry = -1, info_align_zero = -1;
551 (void)lookahead_length;
554 EncoderSession_construct(
557 options.common.use_ogg,
561 options.common.verify,
562 options.common.verbose,
571 * lookahead[] already has "RIFFxxxxWAVE", do sub-chunks
573 while(!feof(infile)) {
574 if(!read_little_endian_uint32(infile, &xx, true, encoder_session.inbasefilename))
575 return EncoderSession_finish_error(&encoder_session);
578 if(xx == 0x20746d66 && !got_fmt_chunk) { /* "fmt " */
579 /* fmt sub-chunk size */
580 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
581 return EncoderSession_finish_error(&encoder_session);
583 fprintf(stderr, "%s: ERROR: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
584 return EncoderSession_finish_error(&encoder_session);
586 else if(xx != 16 && xx != 18) {
587 fprintf(stderr, "%s: WARNING: found non-standard 'fmt ' sub-chunk which has length = %u\n", encoder_session.inbasefilename, (unsigned)xx);
590 /* compression code */
591 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
592 return EncoderSession_finish_error(&encoder_session);
594 fprintf(stderr, "%s: ERROR: unsupported compression type %u\n", encoder_session.inbasefilename, (unsigned)x);
595 return EncoderSession_finish_error(&encoder_session);
597 /* number of channels */
598 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
599 return EncoderSession_finish_error(&encoder_session);
600 if(x == 0 || x > FLAC__MAX_CHANNELS) {
601 fprintf(stderr, "%s: ERROR: unsupported number channels %u\n", encoder_session.inbasefilename, (unsigned)x);
602 return EncoderSession_finish_error(&encoder_session);
604 else if(options.common.sector_align && x != 2) {
605 fprintf(stderr, "%s: ERROR: file has %u channels, must be 2 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
606 return EncoderSession_finish_error(&encoder_session);
610 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
611 return EncoderSession_finish_error(&encoder_session);
612 if(!FLAC__format_sample_rate_is_valid(xx)) {
613 fprintf(stderr, "%s: ERROR: unsupported sample rate %u\n", encoder_session.inbasefilename, (unsigned)xx);
614 return EncoderSession_finish_error(&encoder_session);
616 else if(options.common.sector_align && xx != 44100) {
617 fprintf(stderr, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-align\n", encoder_session.inbasefilename, (unsigned)xx);
618 return EncoderSession_finish_error(&encoder_session);
621 /* avg bytes per second (ignored) */
622 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
623 return EncoderSession_finish_error(&encoder_session);
624 /* block align (ignored) */
625 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
626 return EncoderSession_finish_error(&encoder_session);
627 /* bits per sample */
628 if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
629 return EncoderSession_finish_error(&encoder_session);
630 if(x != 8 && x != 16 && x != 24) {
631 fprintf(stderr, "%s: ERROR: unsupported bits per sample %u\n", encoder_session.inbasefilename, (unsigned)x);
632 return EncoderSession_finish_error(&encoder_session);
634 else if(options.common.sector_align && x != 16) {
635 fprintf(stderr, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-align\n", encoder_session.inbasefilename, (unsigned)x);
636 return EncoderSession_finish_error(&encoder_session);
639 is_unsigned_samples = (x == 8);
641 /* skip any extra data in the fmt sub-chunk */
645 for(left = data_bytes; left > 0; ) {
646 need = min(left, CHUNK_OF_SAMPLES);
647 if(fread(ucbuffer_, 1U, need, infile) < need) {
648 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
649 return EncoderSession_finish_error(&encoder_session);
656 * now that we know the sample rate, canonicalize the
657 * --skip string to a number of samples:
659 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
660 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
661 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
662 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
664 got_fmt_chunk = true;
666 else if(xx == 0x61746164 && !got_data_chunk && got_fmt_chunk) { /* "data" */
667 FLAC__uint64 total_samples_in_input, trim = 0;
670 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
671 return EncoderSession_finish_error(&encoder_session);
674 bytes_per_wide_sample = channels * (bps >> 3);
676 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
677 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
678 total_samples_in_input = data_bytes / bytes_per_wide_sample + *options.common.align_reservoir_samples;
681 * now that we know the input size, canonicalize the
682 * --until string to an absolute sample number:
684 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
685 return EncoderSession_finish_error(&encoder_session);
686 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
687 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
689 if(encoder_session.skip > 0) {
690 if(fseek(infile, bytes_per_wide_sample * (unsigned)encoder_session.skip, SEEK_CUR) < 0) {
691 /* can't seek input, read ahead manually... */
693 for(left = (unsigned)encoder_session.skip; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
694 need = min(left, CHUNK_OF_SAMPLES);
695 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
696 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
697 return EncoderSession_finish_error(&encoder_session);
704 data_bytes -= (unsigned)encoder_session.skip * bytes_per_wide_sample; /*@@@ WATCHOUT: 4GB limit */
705 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
706 if(encoder_session.until > 0) {
707 trim = total_samples_in_input - encoder_session.until;
708 FLAC__ASSERT(total_samples_in_input > 0);
709 FLAC__ASSERT(!options.common.sector_align);
710 data_bytes -= (unsigned int)trim * bytes_per_wide_sample;
711 encoder_session.total_samples_to_encode -= trim;
713 if(options.common.sector_align) {
714 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
715 if(options.common.is_last_file)
716 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
718 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
721 /* +44 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
722 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample + 44;
724 if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
725 return EncoderSession_finish_error(&encoder_session);
728 * first do any samples in the reservoir
730 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
731 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
732 print_error_with_state(&encoder_session, "ERROR during encoding");
733 return EncoderSession_finish_error(&encoder_session);
738 * decrement the data_bytes counter if we need to align the file
740 if(options.common.sector_align) {
741 if(options.common.is_last_file) {
742 *options.common.align_reservoir_samples = 0;
745 *options.common.align_reservoir_samples = align_remainder;
746 data_bytes -= (*options.common.align_reservoir_samples) * bytes_per_wide_sample;
751 * now do from the file
753 while(data_bytes > 0) {
754 bytes_read = fread(ucbuffer_, sizeof(unsigned char), min(data_bytes, CHUNK_OF_SAMPLES * bytes_per_wide_sample), infile);
755 if(bytes_read == 0) {
757 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
758 return EncoderSession_finish_error(&encoder_session);
760 else if(feof(infile)) {
761 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);
766 if(bytes_read % bytes_per_wide_sample != 0) {
767 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
768 return EncoderSession_finish_error(&encoder_session);
771 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
772 format_input(input_, wide_samples, false, is_unsigned_samples, channels, bps);
774 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
775 print_error_with_state(&encoder_session, "ERROR during encoding");
776 return EncoderSession_finish_error(&encoder_session);
778 data_bytes -= bytes_read;
784 if(fseek(infile, bytes_per_wide_sample * (unsigned)trim, SEEK_CUR) < 0) {
785 /* can't seek input, read ahead manually... */
787 for(left = (unsigned)trim; left > 0; ) { /*@@@ WATCHOUT: 4GB limit */
788 need = min(left, CHUNK_OF_SAMPLES);
789 if(fread(ucbuffer_, bytes_per_wide_sample, need, infile) < need) {
790 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
791 return EncoderSession_finish_error(&encoder_session);
799 * now read unaligned samples into reservoir or pad with zeroes if necessary
801 if(options.common.sector_align) {
802 if(options.common.is_last_file) {
803 unsigned wide_samples = 588 - align_remainder;
804 if(wide_samples < 588) {
807 info_align_zero = wide_samples;
808 data_bytes = wide_samples * (bps >> 3);
809 for(channel = 0; channel < channels; channel++)
810 memset(input_[channel], 0, data_bytes);
812 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
813 print_error_with_state(&encoder_session, "ERROR during encoding");
814 return EncoderSession_finish_error(&encoder_session);
819 if(*options.common.align_reservoir_samples > 0) {
820 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
821 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
822 if(bytes_read == 0 && ferror(infile)) {
823 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
824 return EncoderSession_finish_error(&encoder_session);
826 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
827 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);
831 info_align_carry = *options.common.align_reservoir_samples;
832 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, is_unsigned_samples, channels, bps);
838 got_data_chunk = true;
841 if(xx == 0x20746d66 && got_fmt_chunk) { /* "fmt " */
842 fprintf(stderr, "%s: WARNING: skipping extra 'fmt ' sub-chunk\n", encoder_session.inbasefilename);
844 else if(xx == 0x61746164) { /* "data" */
846 fprintf(stderr, "%s: WARNING: skipping extra 'data' sub-chunk\n", encoder_session.inbasefilename);
848 else if(!got_fmt_chunk) {
849 fprintf(stderr, "%s: ERROR: got 'data' sub-chunk before 'fmt' sub-chunk\n", encoder_session.inbasefilename);
850 return EncoderSession_finish_error(&encoder_session);
857 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));
860 if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
861 return EncoderSession_finish_error(&encoder_session);
862 if(fseek(infile, xx, SEEK_CUR) < 0) {
863 /* can't seek input, read ahead manually... */
865 const unsigned chunk = sizeof(ucbuffer_);
866 for(left = xx; left > 0; ) {
867 need = min(left, chunk);
868 if(fread(ucbuffer_, 1, need, infile) < need) {
869 fprintf(stderr, "%s: ERROR during read while skipping unsupported sub-chunk\n", encoder_session.inbasefilename);
870 return EncoderSession_finish_error(&encoder_session);
878 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
881 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)
883 EncoderSession encoder_session;
885 const size_t bytes_per_wide_sample = options.channels * (options.bps >> 3);
886 unsigned align_remainder = 0;
887 int info_align_carry = -1, info_align_zero = -1;
888 FLAC__uint64 total_samples_in_input = 0;;
890 FLAC__ASSERT(!options.common.sector_align || options.channels == 2);
891 FLAC__ASSERT(!options.common.sector_align || options.bps == 16);
892 FLAC__ASSERT(!options.common.sector_align || options.sample_rate == 44100);
893 FLAC__ASSERT(!options.common.sector_align || infilesize >= 0);
894 FLAC__ASSERT(!options.common.replay_gain || options.channels <= 2);
895 FLAC__ASSERT(!options.common.replay_gain || grabbag__replaygain_is_valid_sample_frequency(options.sample_rate));
898 EncoderSession_construct(
901 options.common.use_ogg,
905 options.common.verify,
906 options.common.verbose,
915 * now that we know the sample rate, canonicalize the
916 * --skip string to a number of samples:
918 flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, options.sample_rate);
919 FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
920 encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
921 FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
924 total_samples_in_input = 0;
926 /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
927 FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
928 total_samples_in_input = (unsigned)infilesize / bytes_per_wide_sample + *options.common.align_reservoir_samples;
932 * now that we know the input size, canonicalize the
933 * --until strings to a number of samples:
935 if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, options.sample_rate, encoder_session.skip, total_samples_in_input))
936 return EncoderSession_finish_error(&encoder_session);
937 encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
938 FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
940 encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
941 if(encoder_session.until > 0) {
942 const FLAC__uint64 trim = total_samples_in_input - encoder_session.until;
943 FLAC__ASSERT(total_samples_in_input > 0);
944 FLAC__ASSERT(!options.common.sector_align);
945 encoder_session.total_samples_to_encode -= trim;
947 if(infilesize >= 0 && options.common.sector_align) {
948 FLAC__ASSERT(encoder_session.skip == 0);
949 align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
950 if(options.common.is_last_file)
951 encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
953 encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
955 encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
957 if(encoder_session.verbose && encoder_session.total_samples_to_encode <= 0)
958 fprintf(stderr, "(No runtime statistics possible; please wait for encoding to finish...)\n");
960 if(encoder_session.skip > 0) {
961 unsigned skip_bytes = bytes_per_wide_sample * (unsigned)encoder_session.skip;
962 if(skip_bytes > lookahead_length) {
963 skip_bytes -= lookahead_length;
964 lookahead_length = 0;
965 if(fseek(infile, (long)skip_bytes, SEEK_CUR) < 0) {
966 /* can't seek input, read ahead manually... */
968 const unsigned chunk = sizeof(ucbuffer_);
969 for(left = skip_bytes; left > 0; ) {
970 need = min(left, chunk);
971 if(fread(ucbuffer_, 1, need, infile) < need) {
972 fprintf(stderr, "%s: ERROR during read while skipping samples\n", encoder_session.inbasefilename);
973 return EncoderSession_finish_error(&encoder_session);
980 lookahead += skip_bytes;
981 lookahead_length -= skip_bytes;
985 if(!EncoderSession_init_encoder(&encoder_session, options.common, options.channels, options.bps, options.sample_rate))
986 return EncoderSession_finish_error(&encoder_session);
989 * first do any samples in the reservoir
991 if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
992 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
993 print_error_with_state(&encoder_session, "ERROR during encoding");
994 return EncoderSession_finish_error(&encoder_session);
999 * decrement infilesize if we need to align the file
1001 if(options.common.sector_align) {
1002 FLAC__ASSERT(infilesize >= 0);
1003 if(options.common.is_last_file) {
1004 *options.common.align_reservoir_samples = 0;
1007 *options.common.align_reservoir_samples = align_remainder;
1008 infilesize -= (long)((*options.common.align_reservoir_samples) * bytes_per_wide_sample);
1009 FLAC__ASSERT(infilesize >= 0);
1014 * now do from the file
1016 if(infilesize < 0) {
1017 while(!feof(infile)) {
1018 if(lookahead_length > 0) {
1019 FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1020 memcpy(ucbuffer_, lookahead, lookahead_length);
1021 bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample - lookahead_length, infile) + lookahead_length;
1022 if(ferror(infile)) {
1023 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1024 return EncoderSession_finish_error(&encoder_session);
1026 lookahead_length = 0;
1029 bytes_read = fread(ucbuffer_, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
1031 if(bytes_read == 0) {
1032 if(ferror(infile)) {
1033 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1034 return EncoderSession_finish_error(&encoder_session);
1037 else if(bytes_read % bytes_per_wide_sample != 0) {
1038 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1039 return EncoderSession_finish_error(&encoder_session);
1042 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1043 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1045 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1046 print_error_with_state(&encoder_session, "ERROR during encoding");
1047 return EncoderSession_finish_error(&encoder_session);
1053 const FLAC__uint64 max_input_bytes = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
1054 FLAC__uint64 total_input_bytes_read = 0;
1055 while(total_input_bytes_read < max_input_bytes) {
1056 size_t wanted = (CHUNK_OF_SAMPLES * bytes_per_wide_sample);
1057 wanted = min(wanted, (size_t)(max_input_bytes - total_input_bytes_read));
1059 if(lookahead_length > 0) {
1060 FLAC__ASSERT(lookahead_length < wanted);
1061 memcpy(ucbuffer_, lookahead, lookahead_length);
1062 bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), wanted - lookahead_length, infile) + lookahead_length;
1063 if(ferror(infile)) {
1064 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1065 return EncoderSession_finish_error(&encoder_session);
1067 lookahead_length = 0;
1070 bytes_read = fread(ucbuffer_, sizeof(unsigned char), wanted, infile);
1072 if(bytes_read == 0) {
1073 if(ferror(infile)) {
1074 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1075 return EncoderSession_finish_error(&encoder_session);
1077 else if(feof(infile)) {
1078 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);
1079 total_input_bytes_read = max_input_bytes;
1083 if(bytes_read % bytes_per_wide_sample != 0) {
1084 fprintf(stderr, "%s: ERROR: got partial sample\n", encoder_session.inbasefilename);
1085 return EncoderSession_finish_error(&encoder_session);
1088 unsigned wide_samples = bytes_read / bytes_per_wide_sample;
1089 format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
1091 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1092 print_error_with_state(&encoder_session, "ERROR during encoding");
1093 return EncoderSession_finish_error(&encoder_session);
1095 total_input_bytes_read += bytes_read;
1102 * now read unaligned samples into reservoir or pad with zeroes if necessary
1104 if(options.common.sector_align) {
1105 if(options.common.is_last_file) {
1106 unsigned wide_samples = 588 - align_remainder;
1107 if(wide_samples < 588) {
1108 unsigned channel, data_bytes;
1110 info_align_zero = wide_samples;
1111 data_bytes = wide_samples * (options.bps >> 3);
1112 for(channel = 0; channel < options.channels; channel++)
1113 memset(input_[channel], 0, data_bytes);
1115 if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
1116 print_error_with_state(&encoder_session, "ERROR during encoding");
1117 return EncoderSession_finish_error(&encoder_session);
1122 if(*options.common.align_reservoir_samples > 0) {
1123 FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
1124 bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
1125 if(bytes_read == 0 && ferror(infile)) {
1126 fprintf(stderr, "%s: ERROR during read\n", encoder_session.inbasefilename);
1127 return EncoderSession_finish_error(&encoder_session);
1129 else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
1130 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);
1133 info_align_carry = *options.common.align_reservoir_samples;
1134 format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, options.is_unsigned_samples, options.channels, options.bps);
1140 return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
1143 FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FLAC__bool verbose, FILE *infile, const char *infilename, const char *outfilename)
1146 FLAC__uint32 test = 1;
1149 * initialize globals
1152 is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
1154 for(i = 0; i < FLAC__MAX_CHANNELS; i++)
1155 input_[i] = &(in_[i][0]);
1159 * initialize instance
1162 #ifdef FLAC__HAS_OGG
1163 e->use_ogg = use_ogg;
1168 e->verbose = verbose;
1170 e->is_stdout = (0 == strcmp(outfilename, "-"));
1172 e->inbasefilename = grabbag__file_get_basename(infilename);
1173 e->outfilename = outfilename;
1175 e->skip = 0; /* filled in later after the sample_rate is known */
1176 e->unencoded_size = 0;
1177 e->total_samples_to_encode = 0;
1178 e->bytes_written = 0;
1179 e->samples_written = 0;
1183 e->encoder.flac.stream = 0;
1184 e->encoder.flac.file = 0;
1185 #ifdef FLAC__HAS_OGG
1186 e->encoder.ogg.stream = 0;
1191 e->seek_table_template = 0;
1194 e->fout = grabbag__file_get_binary_stdout();
1196 #ifdef FLAC__HAS_OGG
1199 if(0 == (e->fout = fopen(outfilename, "wb"))) {
1200 fprintf(stderr, "%s: ERROR: can't open output file %s\n", e->inbasefilename, outfilename);
1201 EncoderSession_destroy(e);
1208 if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) {
1209 fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1213 #ifdef FLAC__HAS_OGG
1215 e->encoder.ogg.stream = OggFLAC__stream_encoder_new();
1216 if(0 == e->encoder.ogg.stream) {
1217 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1218 EncoderSession_destroy(e);
1225 e->encoder.flac.stream = FLAC__stream_encoder_new();
1226 if(0 == e->encoder.flac.stream) {
1227 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1228 EncoderSession_destroy(e);
1233 e->encoder.flac.file = FLAC__file_encoder_new();
1234 if(0 == e->encoder.flac.file) {
1235 fprintf(stderr, "%s: ERROR creating the encoder instance\n", e->inbasefilename);
1236 EncoderSession_destroy(e);
1244 void EncoderSession_destroy(EncoderSession *e)
1249 #ifdef FLAC__HAS_OGG
1251 if(0 != e->encoder.ogg.stream) {
1252 OggFLAC__stream_encoder_delete(e->encoder.ogg.stream);
1253 e->encoder.ogg.stream = 0;
1259 if(0 != e->encoder.flac.stream) {
1260 FLAC__stream_encoder_delete(e->encoder.flac.stream);
1261 e->encoder.flac.stream = 0;
1265 if(0 != e->encoder.flac.file) {
1266 FLAC__file_encoder_delete(e->encoder.flac.file);
1267 e->encoder.flac.file = 0;
1271 if(0 != e->seek_table_template) {
1272 FLAC__metadata_object_delete(e->seek_table_template);
1273 e->seek_table_template = 0;
1277 int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero)
1279 FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK;
1282 #ifdef FLAC__HAS_OGG
1284 if(e->encoder.ogg.stream) {
1285 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1286 OggFLAC__stream_encoder_finish(e->encoder.ogg.stream);
1292 if(e->encoder.flac.stream) {
1293 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1294 FLAC__stream_encoder_finish(e->encoder.flac.stream);
1298 if(e->encoder.flac.file) {
1299 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1300 FLAC__file_encoder_finish(e->encoder.flac.file);
1304 if(e->verbose && e->total_samples_to_encode > 0) {
1306 fprintf(stderr, "\n");
1309 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) {
1310 print_verify_error(e);
1314 if(info_align_carry >= 0)
1315 fprintf(stderr, "%s: INFO: sector alignment causing %d samples to be carried over\n", e->inbasefilename, info_align_carry);
1316 if(info_align_zero >= 0)
1317 fprintf(stderr, "%s: INFO: sector alignment causing %d zero samples to be appended\n", e->inbasefilename, info_align_zero);
1320 EncoderSession_destroy(e);
1325 int EncoderSession_finish_error(EncoderSession *e)
1327 FLAC__StreamEncoderState fse_state;
1329 if(e->verbose && e->total_samples_to_encode > 0)
1330 fprintf(stderr, "\n");
1332 #ifdef FLAC__HAS_OGG
1334 fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1339 fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1342 fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1345 if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
1346 print_verify_error(e);
1348 unlink(e->outfilename);
1350 EncoderSession_destroy(e);
1355 FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate)
1357 unsigned num_metadata;
1358 FLAC__StreamMetadata padding, *cuesheet = 0;
1359 FLAC__StreamMetadata *metadata[4];
1361 e->replay_gain = options.replay_gain;
1362 e->channels = channels;
1363 e->bits_per_sample = bps;
1364 e->sample_rate = sample_rate;
1366 if(e->replay_gain) {
1367 if(channels != 1 && channels != 2) {
1368 fprintf(stderr, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gain\n", e->inbasefilename, channels);
1371 if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
1372 fprintf(stderr, "%s: ERROR, invalid sample rate (%u) for --replay-gain\n", e->inbasefilename, sample_rate);
1375 if(options.is_first_file) {
1376 if(!grabbag__replaygain_init(sample_rate)) {
1377 fprintf(stderr, "%s: ERROR initializing ReplayGain stage\n", e->inbasefilename);
1384 options.do_mid_side = options.loose_mid_side = false;
1386 if(!parse_cuesheet_(&cuesheet, options.cuesheet_filename, e->inbasefilename, e->total_samples_to_encode))
1389 if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? cuesheet : 0, e)) {
1390 fprintf(stderr, "%s: ERROR allocating memory for seek table\n", e->inbasefilename);
1397 if(e->seek_table_template->data.seek_table.num_points > 0) {
1398 e->seek_table_template->is_last = false; /* the encoder will set this for us */
1399 metadata[num_metadata++] = e->seek_table_template;
1402 metadata[num_metadata++] = cuesheet;
1403 metadata[num_metadata++] = options.vorbis_comment;
1404 if(options.padding > 0) {
1405 padding.is_last = false; /* the encoder will set this for us */
1406 padding.type = FLAC__METADATA_TYPE_PADDING;
1407 padding.length = (unsigned)options.padding;
1408 metadata[num_metadata++] = &padding;
1411 e->blocksize = options.blocksize;
1412 e->stats_mask = (options.do_exhaustive_model_search || options.do_qlp_coeff_prec_search)? 0x0f : 0x3f;
1414 #ifdef FLAC__HAS_OGG
1416 if(options.has_serial_number)
1417 OggFLAC__stream_encoder_set_serial_number(e->encoder.ogg.stream, options.serial_number);
1418 OggFLAC__stream_encoder_set_verify(e->encoder.ogg.stream, options.verify);
1419 OggFLAC__stream_encoder_set_streamable_subset(e->encoder.ogg.stream, !options.lax);
1420 OggFLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.ogg.stream, options.do_mid_side);
1421 OggFLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.ogg.stream, options.loose_mid_side);
1422 OggFLAC__stream_encoder_set_channels(e->encoder.ogg.stream, channels);
1423 OggFLAC__stream_encoder_set_bits_per_sample(e->encoder.ogg.stream, bps);
1424 OggFLAC__stream_encoder_set_sample_rate(e->encoder.ogg.stream, sample_rate);
1425 OggFLAC__stream_encoder_set_blocksize(e->encoder.ogg.stream, options.blocksize);
1426 OggFLAC__stream_encoder_set_max_lpc_order(e->encoder.ogg.stream, options.max_lpc_order);
1427 OggFLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.ogg.stream, options.qlp_coeff_precision);
1428 OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.stream, options.do_qlp_coeff_prec_search);
1429 OggFLAC__stream_encoder_set_do_escape_coding(e->encoder.ogg.stream, options.do_escape_coding);
1430 OggFLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.ogg.stream, options.do_exhaustive_model_search);
1431 OggFLAC__stream_encoder_set_min_residual_partition_order(e->encoder.ogg.stream, options.min_residual_partition_order);
1432 OggFLAC__stream_encoder_set_max_residual_partition_order(e->encoder.ogg.stream, options.max_residual_partition_order);
1433 OggFLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.ogg.stream, options.rice_parameter_search_dist);
1434 OggFLAC__stream_encoder_set_total_samples_estimate(e->encoder.ogg.stream, e->total_samples_to_encode);
1435 OggFLAC__stream_encoder_set_metadata(e->encoder.ogg.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1436 OggFLAC__stream_encoder_set_write_callback(e->encoder.ogg.stream, ogg_stream_encoder_write_callback);
1437 OggFLAC__stream_encoder_set_client_data(e->encoder.ogg.stream, e);
1439 OggFLAC__stream_encoder_disable_constant_subframes(e->encoder.ogg.stream, options.debug.disable_constant_subframes);
1440 OggFLAC__stream_encoder_disable_fixed_subframes(e->encoder.ogg.stream, options.debug.disable_fixed_subframes);
1441 OggFLAC__stream_encoder_disable_verbatim_subframes(e->encoder.ogg.stream, options.debug.disable_verbatim_subframes);
1443 if(OggFLAC__stream_encoder_init(e->encoder.ogg.stream) != FLAC__STREAM_ENCODER_OK) {
1444 print_error_with_state(e, "ERROR initializing encoder");
1453 FLAC__stream_encoder_set_verify(e->encoder.flac.stream, options.verify);
1454 FLAC__stream_encoder_set_streamable_subset(e->encoder.flac.stream, !options.lax);
1455 FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.flac.stream, options.do_mid_side);
1456 FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.flac.stream, options.loose_mid_side);
1457 FLAC__stream_encoder_set_channels(e->encoder.flac.stream, channels);
1458 FLAC__stream_encoder_set_bits_per_sample(e->encoder.flac.stream, bps);
1459 FLAC__stream_encoder_set_sample_rate(e->encoder.flac.stream, sample_rate);
1460 FLAC__stream_encoder_set_blocksize(e->encoder.flac.stream, options.blocksize);
1461 FLAC__stream_encoder_set_max_lpc_order(e->encoder.flac.stream, options.max_lpc_order);
1462 FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.flac.stream, options.qlp_coeff_precision);
1463 FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.stream, options.do_qlp_coeff_prec_search);
1464 FLAC__stream_encoder_set_do_escape_coding(e->encoder.flac.stream, options.do_escape_coding);
1465 FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.flac.stream, options.do_exhaustive_model_search);
1466 FLAC__stream_encoder_set_min_residual_partition_order(e->encoder.flac.stream, options.min_residual_partition_order);
1467 FLAC__stream_encoder_set_max_residual_partition_order(e->encoder.flac.stream, options.max_residual_partition_order);
1468 FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.flac.stream, options.rice_parameter_search_dist);
1469 FLAC__stream_encoder_set_total_samples_estimate(e->encoder.flac.stream, e->total_samples_to_encode);
1470 FLAC__stream_encoder_set_metadata(e->encoder.flac.stream, (num_metadata > 0)? metadata : 0, num_metadata);
1471 FLAC__stream_encoder_set_write_callback(e->encoder.flac.stream, flac_stream_encoder_write_callback);
1472 FLAC__stream_encoder_set_metadata_callback(e->encoder.flac.stream, flac_stream_encoder_metadata_callback);
1473 FLAC__stream_encoder_set_client_data(e->encoder.flac.stream, e);
1475 FLAC__stream_encoder_disable_constant_subframes(e->encoder.flac.stream, options.debug.disable_constant_subframes);
1476 FLAC__stream_encoder_disable_fixed_subframes(e->encoder.flac.stream, options.debug.disable_fixed_subframes);
1477 FLAC__stream_encoder_disable_verbatim_subframes(e->encoder.flac.stream, options.debug.disable_verbatim_subframes);
1479 if(FLAC__stream_encoder_init(e->encoder.flac.stream) != FLAC__STREAM_ENCODER_OK) {
1480 print_error_with_state(e, "ERROR initializing encoder");
1487 FLAC__file_encoder_set_filename(e->encoder.flac.file, e->outfilename);
1488 FLAC__file_encoder_set_verify(e->encoder.flac.file, options.verify);
1489 FLAC__file_encoder_set_streamable_subset(e->encoder.flac.file, !options.lax);
1490 FLAC__file_encoder_set_do_mid_side_stereo(e->encoder.flac.file, options.do_mid_side);
1491 FLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.flac.file, options.loose_mid_side);
1492 FLAC__file_encoder_set_channels(e->encoder.flac.file, channels);
1493 FLAC__file_encoder_set_bits_per_sample(e->encoder.flac.file, bps);
1494 FLAC__file_encoder_set_sample_rate(e->encoder.flac.file, sample_rate);
1495 FLAC__file_encoder_set_blocksize(e->encoder.flac.file, options.blocksize);
1496 FLAC__file_encoder_set_max_lpc_order(e->encoder.flac.file, options.max_lpc_order);
1497 FLAC__file_encoder_set_qlp_coeff_precision(e->encoder.flac.file, options.qlp_coeff_precision);
1498 FLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.file, options.do_qlp_coeff_prec_search);
1499 FLAC__file_encoder_set_do_escape_coding(e->encoder.flac.file, options.do_escape_coding);
1500 FLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.flac.file, options.do_exhaustive_model_search);
1501 FLAC__file_encoder_set_min_residual_partition_order(e->encoder.flac.file, options.min_residual_partition_order);
1502 FLAC__file_encoder_set_max_residual_partition_order(e->encoder.flac.file, options.max_residual_partition_order);
1503 FLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.flac.file, options.rice_parameter_search_dist);
1504 FLAC__file_encoder_set_total_samples_estimate(e->encoder.flac.file, e->total_samples_to_encode);
1505 FLAC__file_encoder_set_metadata(e->encoder.flac.file, (num_metadata > 0)? metadata : 0, num_metadata);
1506 FLAC__file_encoder_set_progress_callback(e->encoder.flac.file, flac_file_encoder_progress_callback);
1507 FLAC__file_encoder_set_client_data(e->encoder.flac.file, e);
1509 FLAC__file_encoder_disable_constant_subframes(e->encoder.flac.file, options.debug.disable_constant_subframes);
1510 FLAC__file_encoder_disable_fixed_subframes(e->encoder.flac.file, options.debug.disable_fixed_subframes);
1511 FLAC__file_encoder_disable_verbatim_subframes(e->encoder.flac.file, options.debug.disable_verbatim_subframes);
1513 if(FLAC__file_encoder_init(e->encoder.flac.file) != FLAC__FILE_ENCODER_OK) {
1514 print_error_with_state(e, "ERROR initializing encoder");
1527 FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples)
1529 if(e->replay_gain) {
1530 if(!grabbag__replaygain_analyze(buffer, e->channels==2, e->bits_per_sample, samples))
1531 fprintf(stderr, "%s: WARNING, error while calculating ReplayGain\n", e->inbasefilename);
1534 #ifdef FLAC__HAS_OGG
1536 return OggFLAC__stream_encoder_process(e->encoder.ogg.stream, buffer, samples);
1541 return FLAC__stream_encoder_process(e->encoder.flac.stream, buffer, samples);
1544 return FLAC__file_encoder_process(e->encoder.flac.file, buffer, samples);
1548 FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e)
1550 FLAC__bool only_placeholders;
1551 FLAC__bool has_real_points;
1553 if(num_requested_seek_points == 0 && 0 == cuesheet)
1556 if(num_requested_seek_points < 0) {
1557 requested_seek_points = "100x;";
1558 num_requested_seek_points = 1;
1562 only_placeholders = true;
1563 #ifdef FLAC__HAS_OGG
1565 only_placeholders = true;
1568 only_placeholders = false;
1570 if(num_requested_seek_points > 0) {
1571 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))
1577 const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
1578 for(i = 0; i < cs->num_tracks; i++) {
1579 const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i;
1580 for(j = 0; j < tr->num_indices; j++) {
1581 if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset))
1583 has_real_points = true;
1587 if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true))
1591 if(has_real_points) {
1593 fprintf(stderr, "%s: WARNING, cannot write back seekpoints when encoding to stdout\n", e->inbasefilename);
1594 #ifdef FLAC__HAS_OGG
1596 fprintf(stderr, "%s: WARNING, cannot write back seekpoints when encoding to Ogg yet\n", e->inbasefilename);
1603 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
1605 /* convert from mm:ss.sss to sample number if necessary */
1606 flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
1608 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
1609 if(spec->is_relative && spec->value.samples == 0) {
1610 spec->is_relative = false;
1614 /* in any other case the total samples in the input must be known */
1615 if(total_samples_in_input == 0) {
1616 fprintf(stderr, "%s: ERROR, cannot use --until when input length is unknown\n", inbasefilename);
1620 FLAC__ASSERT(spec->value_is_samples);
1622 /* convert relative specifications to absolute */
1623 if(spec->is_relative) {
1624 if(spec->value.samples <= 0)
1625 spec->value.samples += (FLAC__int64)total_samples_in_input;
1627 spec->value.samples += skip;
1628 spec->is_relative = false;
1632 if(spec->value.samples < 0) {
1633 fprintf(stderr, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
1636 if((FLAC__uint64)spec->value.samples <= skip) {
1637 fprintf(stderr, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
1640 if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
1641 fprintf(stderr, "%s: ERROR, --until value is after end of input\n", inbasefilename);
1648 void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps)
1650 unsigned wide_sample, sample, channel, byte;
1653 if(is_unsigned_samples) {
1654 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1655 for(channel = 0; channel < channels; channel++, sample++)
1656 dest[channel][wide_sample] = (FLAC__int32)ucbuffer_[sample] - 0x80;
1659 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1660 for(channel = 0; channel < channels; channel++, sample++)
1661 dest[channel][wide_sample] = (FLAC__int32)scbuffer_[sample];
1664 else if(bps == 16) {
1665 if(is_big_endian != is_big_endian_host_) {
1667 const unsigned bytes = wide_samples * channels * (bps >> 3);
1668 for(byte = 0; byte < bytes; byte += 2) {
1669 tmp = ucbuffer_[byte];
1670 ucbuffer_[byte] = ucbuffer_[byte+1];
1671 ucbuffer_[byte+1] = tmp;
1674 if(is_unsigned_samples) {
1675 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1676 for(channel = 0; channel < channels; channel++, sample++)
1677 dest[channel][wide_sample] = (FLAC__int32)usbuffer_[sample] - 0x8000;
1680 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1681 for(channel = 0; channel < channels; channel++, sample++)
1682 dest[channel][wide_sample] = (FLAC__int32)ssbuffer_[sample];
1685 else if(bps == 24) {
1686 if(!is_big_endian) {
1688 const unsigned bytes = wide_samples * channels * (bps >> 3);
1689 for(byte = 0; byte < bytes; byte += 3) {
1690 tmp = ucbuffer_[byte];
1691 ucbuffer_[byte] = ucbuffer_[byte+2];
1692 ucbuffer_[byte+2] = tmp;
1695 if(is_unsigned_samples) {
1696 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1697 for(channel = 0; channel < channels; channel++, sample++) {
1698 dest[channel][wide_sample] = ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1699 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1700 dest[channel][wide_sample] |= ucbuffer_[byte++];
1701 dest[channel][wide_sample] -= 0x800000;
1705 for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1706 for(channel = 0; channel < channels; channel++, sample++) {
1707 dest[channel][wide_sample] = scbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1708 dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
1709 dest[channel][wide_sample] |= ucbuffer_[byte++];
1718 #ifdef FLAC__HAS_OGG
1719 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)
1721 EncoderSession *encoder_session = (EncoderSession*)client_data;
1725 encoder_session->bytes_written += bytes;
1727 * With Ogg FLAC we don't get one write callback per frame and
1728 * we don't have good number for 'samples', so we estimate based
1729 * on the frame number and the knowledge that all blocks (except
1730 * the last) are the same size.
1733 encoder_session->samples_written = (current_frame+1) * encoder_session->blocksize;
1735 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1736 print_stats(encoder_session);
1738 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1739 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1741 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1745 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)
1747 EncoderSession *encoder_session = (EncoderSession*)client_data;
1751 encoder_session->bytes_written += bytes;
1752 encoder_session->samples_written += samples;
1754 if(samples && encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
1755 print_stats(encoder_session);
1757 if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
1758 return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
1760 return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
1763 void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
1766 * Nothing to do; if we get here, we're decoding to stdout, in
1767 * which case we can't seek backwards to write new metadata.
1769 (void)encoder, (void)metadata, (void)client_data;
1772 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)
1774 EncoderSession *encoder_session = (EncoderSession*)client_data;
1776 (void)encoder, (void)total_frames_estimate;
1778 encoder_session->bytes_written = bytes_written;
1779 encoder_session->samples_written = samples_written;
1781 if(encoder_session->verbose && encoder_session->total_samples_to_encode > 0 && !((frames_written-1) & encoder_session->stats_mask))
1782 print_stats(encoder_session);
1785 FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__uint64 lead_out_offset)
1788 unsigned last_line_read;
1789 const char *error_message;
1791 if(0 == cuesheet_filename)
1794 if(lead_out_offset == 0) {
1795 fprintf(stderr, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknown\n", inbasefilename);
1799 if(0 == (f = fopen(cuesheet_filename, "r"))) {
1800 fprintf(stderr, "%s: ERROR opening cuesheet \"%s\" for reading\n", inbasefilename, cuesheet_filename);
1804 *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, /*@@@@is_cdda=*/true, lead_out_offset);
1808 if(0 == *cuesheet) {
1809 fprintf(stderr, "%s: ERROR parsing cuesheet \"%s\" on line %u: %s\n", inbasefilename, cuesheet_filename, last_line_read, error_message);
1816 void print_stats(const EncoderSession *encoder_session)
1818 const FLAC__uint64 samples_written = min(encoder_session->total_samples_to_encode, encoder_session->samples_written);
1819 #if defined _MSC_VER || defined __MINGW32__
1820 /* with VC++ you have to spoon feed it the casting */
1821 const double progress = (double)(FLAC__int64)samples_written / (double)(FLAC__int64)encoder_session->total_samples_to_encode;
1822 const double ratio = (double)(FLAC__int64)encoder_session->bytes_written / ((double)(FLAC__int64)encoder_session->unencoded_size * progress);
1824 const double progress = (double)samples_written / (double)encoder_session->total_samples_to_encode;
1825 const double ratio = (double)encoder_session->bytes_written / ((double)encoder_session->unencoded_size * progress);
1828 if(samples_written == encoder_session->total_samples_to_encode) {
1829 fprintf(stderr, "\r%s:%s wrote %u bytes, ratio=%0.3f",
1830 encoder_session->inbasefilename,
1831 encoder_session->verify? " Verify OK," : "",
1832 (unsigned)encoder_session->bytes_written,
1837 fprintf(stderr, "\r%s: %u%% complete, ratio=%0.3f", encoder_session->inbasefilename, (unsigned)floor(progress * 100.0 + 0.5), ratio);
1841 void print_error_with_state(const EncoderSession *e, const char *message)
1843 const int ilen = strlen(e->inbasefilename) + 1;
1845 fprintf(stderr, "\n%s: %s\n", e->inbasefilename, message);
1847 #ifdef FLAC__HAS_OGG
1849 const OggFLAC__StreamEncoderState ose_state = OggFLAC__stream_encoder_get_state(e->encoder.ogg.stream);
1850 if(ose_state != OggFLAC__STREAM_ENCODER_FLAC_STREAM_ENCODER_ERROR) {
1851 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)ose_state, OggFLAC__StreamEncoderStateString[ose_state]);
1854 const FLAC__StreamEncoderState fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
1855 if(fse_state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
1856 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fse_state, FLAC__StreamEncoderStateString[fse_state]);
1859 const FLAC__StreamDecoderState fsd_state = OggFLAC__stream_encoder_get_verify_decoder_state(e->encoder.ogg.stream);
1860 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsd_state, FLAC__StreamDecoderStateString[fsd_state]);
1867 const FLAC__StreamEncoderState fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
1868 if(fse_state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
1869 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fse_state, FLAC__StreamEncoderStateString[fse_state]);
1872 const FLAC__StreamDecoderState fsd_state = FLAC__stream_encoder_get_verify_decoder_state(e->encoder.flac.stream);
1873 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsd_state, FLAC__StreamDecoderStateString[fsd_state]);
1877 const FLAC__FileEncoderState ffe_state = FLAC__file_encoder_get_state(e->encoder.flac.file);
1878 if(ffe_state != FLAC__FILE_ENCODER_SEEKABLE_STREAM_ENCODER_ERROR) {
1879 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)ffe_state, FLAC__FileEncoderStateString[ffe_state]);
1882 const FLAC__SeekableStreamEncoderState fsse_state = FLAC__file_encoder_get_seekable_stream_encoder_state(e->encoder.flac.file);
1883 if(fsse_state != FLAC__SEEKABLE_STREAM_ENCODER_STREAM_ENCODER_ERROR) {
1884 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsse_state, FLAC__SeekableStreamEncoderStateString[fsse_state]);
1887 const FLAC__StreamEncoderState fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
1888 if(fse_state != FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
1889 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fse_state, FLAC__StreamEncoderStateString[fse_state]);
1892 const FLAC__StreamDecoderState fsd_state = FLAC__file_encoder_get_verify_decoder_state(e->encoder.flac.file);
1893 fprintf(stderr, "%*s state = %d:%s\n", ilen, "", (int)fsd_state, FLAC__StreamDecoderStateString[fsd_state]);
1900 void print_verify_error(EncoderSession *e)
1902 FLAC__uint64 absolute_sample;
1903 unsigned frame_number;
1906 FLAC__int32 expected;
1909 #ifdef FLAC__HAS_OGG
1911 OggFLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.ogg.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1916 FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.flac.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1919 FLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.flac.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
1922 fprintf(stderr, "%s: ERROR: mismatch in decoded data, verify FAILED!\n", e->inbasefilename);
1923 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);
1924 fprintf(stderr, " Please submit a bug report to\n");
1925 fprintf(stderr, " http://sourceforge.net/bugs/?func=addbug&group_id=13478\n");
1926 fprintf(stderr, " Make sure to include an email contact in the comment and/or use the\n");
1927 fprintf(stderr, " \"Monitor\" feature to monitor the bug status.\n");
1928 fprintf(stderr, "Verify FAILED! Do not trust %s\n", e->outfilename);
1931 FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
1933 size_t bytes_read = fread(val, 1, 2, f);
1935 if(bytes_read == 0) {
1937 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1943 else if(bytes_read < 2) {
1944 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1948 if(is_big_endian_host_) {
1949 FLAC__byte tmp, *b = (FLAC__byte*)val;
1950 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
1956 FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
1958 size_t bytes_read = fread(val, 1, 4, f);
1960 if(bytes_read == 0) {
1962 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1968 else if(bytes_read < 4) {
1969 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1973 if(is_big_endian_host_) {
1974 FLAC__byte tmp, *b = (FLAC__byte*)val;
1975 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
1976 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
1983 read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
1985 unsigned char buf[4];
1986 size_t bytes_read= fread(buf, 1, 2, f);
1988 if(bytes_read==0U && eof_ok)
1990 else if(bytes_read<2U) {
1991 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
1995 /* this is independent of host endianness */
1996 *val= (FLAC__uint16)(buf[0])<<8 | buf[1];
2002 read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2004 unsigned char buf[4];
2005 size_t bytes_read= fread(buf, 1, 4, f);
2007 if(bytes_read==0U && eof_ok)
2009 else if(bytes_read<4U) {
2010 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2014 /* this is independent of host endianness */
2015 *val= (FLAC__uint32)(buf[0])<<24 | (FLAC__uint32)(buf[1])<<16 |
2016 (FLAC__uint32)(buf[2])<<8 | buf[3];
2022 read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
2023 /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f',
2024 * convert it into an integral value and store in 'val'. Return false if only
2025 * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f' and 'eof_ok' is
2026 * false, or if the value is negative, between zero and one, or too large to be
2027 * represented by 'val'; return true otherwise.
2031 unsigned char buf[10];
2032 size_t bytes_read= fread(buf, 1U, 10U, f);
2033 FLAC__int16 e= ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF;
2034 FLAC__int16 shift= 63-e;
2037 if(bytes_read==0U && eof_ok)
2039 else if(bytes_read<10U) {
2040 fprintf(stderr, "%s: ERROR: unexpected EOF\n", fn);
2043 else if((buf[0]>>7)==1U || e<0 || e>63) {
2044 fprintf(stderr, "%s: ERROR: invalid floating-point value\n", fn);
2048 for(i= 0U; i<8U; ++i)
2049 p|= (FLAC__uint64)(buf[i+2])<<(56U-i*8);
2050 *val= (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1));