1 /* flac - Command-line FLAC encoder/decoder
2 * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 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.
24 #include <math.h> /* for floor() */
25 #include <stdio.h> /* for FILE etc. */
26 #include <string.h> /* for strcmp(), strerror() */
28 #include "share/grabbag.h"
29 #include "share/replaygain_synthesis.h"
30 #include "share/compat.h"
36 FLAC__bool use_first_serial_number;
41 FLAC__bool treat_warnings_as_errors;
42 FLAC__bool continue_through_decode_errors;
43 FLAC__bool channel_map_none;
46 replaygain_synthesis_spec_t spec;
47 FLAC__bool apply; /* 'spec.apply' is just a request; this 'apply' means we actually parsed the RG tags and are ready to go */
49 DitherContext dither_context;
53 FLAC__bool analysis_mode;
54 analysis_options aopts;
55 utils__SkipUntilSpecification *skip_specification;
56 utils__SkipUntilSpecification *until_specification; /* a canonicalized value of 0 mean end-of-stream (i.e. --until=-0) */
57 utils__CueSpecification *cue_specification;
59 const char *inbasefilename;
60 const char *infilename;
61 const char *outfilename;
63 FLAC__uint64 samples_processed;
64 unsigned frame_counter;
65 FLAC__bool abort_flag;
66 FLAC__bool aborting_due_to_until; /* true if we intentionally abort decoding prematurely because we hit the --until point */
67 FLAC__bool aborting_due_to_unparseable; /* true if we abort decoding because we hit an unparseable frame */
68 FLAC__bool error_callback_suppress_messages; /* turn on to prevent repeating messages from the error callback */
70 FLAC__bool iff_headers_need_fixup;
72 FLAC__bool is_big_endian;
73 FLAC__bool is_unsigned_samples;
74 FLAC__bool got_stream_info;
75 FLAC__bool has_md5sum;
76 FLAC__uint64 total_samples;
80 FLAC__uint32 channel_mask;
82 /* these are used only in analyze mode */
83 FLAC__uint64 decode_position;
85 FLAC__StreamDecoder *decoder;
89 foreign_metadata_t *foreign_metadata; /* NULL unless --keep-foreign-metadata requested */
90 off_t fm_offset1, fm_offset2, fm_offset3;
94 static FLAC__bool is_big_endian_host_;
100 static FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FileFormat format, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename);
101 static void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred);
102 static FLAC__bool DecoderSession_init_decoder(DecoderSession *d, const char *infilename);
103 static FLAC__bool DecoderSession_process(DecoderSession *d);
104 static int DecoderSession_finish_ok(DecoderSession *d);
105 static int DecoderSession_finish_error(DecoderSession *d);
106 static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
107 static FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples);
108 static FLAC__bool write_riff_wave_fmt_chunk_body(FILE *f, FLAC__bool is_waveformatextensible, unsigned bps, unsigned channels, unsigned sample_rate, FLAC__uint32 channel_mask);
109 static FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, unsigned bps, unsigned channels, unsigned sample_rate);
110 static FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val);
111 static FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val);
112 static FLAC__bool write_little_endian_uint64(FILE *f, FLAC__uint64 val);
113 static FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val);
114 static FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val);
115 static FLAC__bool write_sane_extended(FILE *f, unsigned val);
116 static FLAC__bool fixup_iff_headers(DecoderSession *d);
117 static FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
118 static void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
119 static void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
120 static void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status);
121 static void print_error_with_state(const DecoderSession *d, const char *message);
122 static void print_stats(const DecoderSession *decoder_session);
128 int flac__decode_file(const char *infilename, const char *outfilename, FLAC__bool analysis_mode, analysis_options aopts, decode_options_t options)
130 DecoderSession decoder_session;
133 options.format == FORMAT_WAVE ||
134 options.format == FORMAT_WAVE64 ||
135 options.format == FORMAT_RF64 ||
136 options.format == FORMAT_AIFF ||
137 options.format == FORMAT_AIFF_C ||
138 options.format == FORMAT_RAW
141 if(options.format == FORMAT_RAW) {
142 decoder_session.is_big_endian = options.format_options.raw.is_big_endian;
143 decoder_session.is_unsigned_samples = options.format_options.raw.is_unsigned_samples;
147 DecoderSession_construct(
151 options.use_first_serial_number,
152 options.serial_number,
155 /*use_first_serial_number=*/false,
159 options.treat_warnings_as_errors,
160 options.continue_through_decode_errors,
161 options.channel_map_none,
162 options.replaygain_synthesis_spec,
165 &options.skip_specification,
166 &options.until_specification,
167 options.has_cue_specification? &options.cue_specification : 0,
168 options.format == FORMAT_RAW? NULL : options.format_options.iff.foreign_metadata,
175 if(!DecoderSession_init_decoder(&decoder_session, infilename))
176 return DecoderSession_finish_error(&decoder_session);
178 if(!DecoderSession_process(&decoder_session))
179 return DecoderSession_finish_error(&decoder_session);
181 return DecoderSession_finish_ok(&decoder_session);
184 FLAC__bool DecoderSession_construct(DecoderSession *d, FLAC__bool is_ogg, FLAC__bool use_first_serial_number, long serial_number, FileFormat format, FLAC__bool treat_warnings_as_errors, FLAC__bool continue_through_decode_errors, FLAC__bool channel_map_none, replaygain_synthesis_spec_t replaygain_synthesis_spec, FLAC__bool analysis_mode, analysis_options aopts, utils__SkipUntilSpecification *skip_specification, utils__SkipUntilSpecification *until_specification, utils__CueSpecification *cue_specification, foreign_metadata_t *foreign_metadata, const char *infilename, const char *outfilename)
188 d->use_first_serial_number = use_first_serial_number;
189 d->serial_number = serial_number;
192 (void)use_first_serial_number;
197 d->treat_warnings_as_errors = treat_warnings_as_errors;
198 d->continue_through_decode_errors = continue_through_decode_errors;
199 d->channel_map_none = channel_map_none;
200 d->replaygain.spec = replaygain_synthesis_spec;
201 d->replaygain.apply = false;
202 d->replaygain.scale = 0.0;
203 /* d->replaygain.dither_context gets initialized later once we know the sample resolution */
204 d->test_only = (0 == outfilename);
205 d->analysis_mode = analysis_mode;
207 d->skip_specification = skip_specification;
208 d->until_specification = until_specification;
209 d->cue_specification = cue_specification;
211 d->inbasefilename = grabbag__file_get_basename(infilename);
212 d->infilename = infilename;
213 d->outfilename = outfilename;
215 d->samples_processed = 0;
216 d->frame_counter = 0;
217 d->abort_flag = false;
218 d->aborting_due_to_until = false;
219 d->aborting_due_to_unparseable = false;
220 d->error_callback_suppress_messages = false;
222 d->iff_headers_need_fixup = false;
224 d->total_samples = 0;
225 d->got_stream_info = false;
226 d->has_md5sum = false;
232 d->decode_position = 0;
236 d->fout = 0; /* initialized with an open file later if necessary */
238 d->foreign_metadata = foreign_metadata;
240 FLAC__ASSERT(!(d->test_only && d->analysis_mode));
243 if(0 == strcmp(outfilename, "-")) {
244 d->fout = grabbag__file_get_binary_stdout();
247 if(0 == (d->fout = fopen(outfilename, "wb"))) {
248 flac__utils_printf(stderr, 1, "%s: ERROR: can't open output file %s: %s\n", d->inbasefilename, outfilename, strerror(errno));
249 DecoderSession_destroy(d, /*error_occurred=*/true);
256 flac__analyze_init(aopts);
261 void DecoderSession_destroy(DecoderSession *d, FLAC__bool error_occurred)
263 if(0 != d->fout && d->fout != stdout) {
266 unlink(d->outfilename);
270 FLAC__bool DecoderSession_init_decoder(DecoderSession *decoder_session, const char *infilename)
272 FLAC__StreamDecoderInitStatus init_status;
273 FLAC__uint32 test = 1;
275 is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
277 if(!decoder_session->analysis_mode && !decoder_session->test_only && decoder_session->foreign_metadata) {
279 if(!flac__foreign_metadata_read_from_flac(decoder_session->foreign_metadata, infilename, &error)) {
280 flac__utils_printf(stderr, 1, "%s: ERROR reading foreign metadata: %s\n", decoder_session->inbasefilename, error);
285 decoder_session->decoder = FLAC__stream_decoder_new();
287 if(0 == decoder_session->decoder) {
288 flac__utils_printf(stderr, 1, "%s: ERROR creating the decoder instance\n", decoder_session->inbasefilename);
292 FLAC__stream_decoder_set_md5_checking(decoder_session->decoder, true);
293 if (0 != decoder_session->cue_specification)
294 FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_CUESHEET);
295 if (decoder_session->replaygain.spec.apply)
296 FLAC__stream_decoder_set_metadata_respond(decoder_session->decoder, FLAC__METADATA_TYPE_VORBIS_COMMENT);
299 if(decoder_session->is_ogg) {
300 if(!decoder_session->use_first_serial_number)
301 FLAC__stream_decoder_set_ogg_serial_number(decoder_session->decoder, decoder_session->serial_number);
302 init_status = FLAC__stream_decoder_init_ogg_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session);
307 init_status = FLAC__stream_decoder_init_file(decoder_session->decoder, strcmp(infilename, "-")? infilename : 0, write_callback, metadata_callback, error_callback, /*client_data=*/decoder_session);
310 if(init_status != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
311 print_error_with_init_status(decoder_session, "ERROR initializing decoder", init_status);
318 FLAC__bool DecoderSession_process(DecoderSession *d)
320 if(!FLAC__stream_decoder_process_until_end_of_metadata(d->decoder)) {
321 flac__utils_printf(stderr, 2, "\n");
322 print_error_with_state(d, "ERROR while decoding metadata");
325 if(FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM) {
326 flac__utils_printf(stderr, 2, "\n");
327 print_error_with_state(d, "ERROR during metadata decoding");
328 if(!d->continue_through_decode_errors)
335 /* set channel mapping */
336 if(!d->channel_map_none) {
337 /* currently FLAC order matches SMPTE/WAVEFORMATEXTENSIBLE order, so no reordering is necessary; see encode.c */
338 /* only the channel mask must be set if it was not already picked up from the WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag */
339 if(d->channels == 1) {
340 if(d->channel_mask == 0)
341 d->channel_mask = 0x0001;
343 else if(d->channels == 2) {
344 if(d->channel_mask == 0)
345 d->channel_mask = 0x0003;
347 else if(d->channels == 3) {
348 if(d->channel_mask == 0)
349 d->channel_mask = 0x0007;
351 else if(d->channels == 4) {
352 if(d->channel_mask == 0)
353 d->channel_mask = 0x0033;
355 else if(d->channels == 5) {
356 if(d->channel_mask == 0)
357 d->channel_mask = 0x0607;
359 else if(d->channels == 6) {
360 if(d->channel_mask == 0)
361 d->channel_mask = 0x060f;
365 /* write the WAVE/AIFF headers if necessary */
366 if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) {
367 if(!write_iff_headers(d->fout, d, d->total_samples)) {
368 d->abort_flag = true;
373 if(d->skip_specification->value.samples > 0) {
374 const FLAC__uint64 skip = (FLAC__uint64)d->skip_specification->value.samples;
376 if(!FLAC__stream_decoder_seek_absolute(d->decoder, skip)) {
377 print_error_with_state(d, "ERROR seeking while skipping bytes");
381 if(!FLAC__stream_decoder_process_until_end_of_stream(d->decoder) && !d->aborting_due_to_until) {
382 flac__utils_printf(stderr, 2, "\n");
383 print_error_with_state(d, "ERROR while decoding data");
384 if(!d->continue_through_decode_errors)
388 (d->abort_flag && !(d->aborting_due_to_until || d->continue_through_decode_errors)) ||
389 (FLAC__stream_decoder_get_state(d->decoder) > FLAC__STREAM_DECODER_END_OF_STREAM && !d->aborting_due_to_until)
391 flac__utils_printf(stderr, 2, "\n");
392 print_error_with_state(d, "ERROR during decoding");
396 /* write padding bytes for alignment if necessary */
397 if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) {
398 const FLAC__uint64 data_size = d->total_samples * d->channels * ((d->bps+7)/8);
400 if(d->format != FORMAT_WAVE64) {
401 padding = (unsigned)(data_size & 1);
404 /* 8-byte alignment for Wave64 */
405 padding = (8 - (unsigned)(data_size & 7)) & 7;
407 for( ; padding > 0; --padding) {
408 if(flac__utils_fwrite("\000", 1, 1, d->fout) != 1) {
409 print_error_with_state(
411 d->format == FORMAT_WAVE? "ERROR writing pad byte to WAVE data chunk" :
412 d->format == FORMAT_WAVE64? "ERROR writing pad bytes to WAVE64 data chunk" :
413 d->format == FORMAT_RF64? "ERROR writing pad byte to RF64 data chunk" :
414 "ERROR writing pad byte to AIFF SSND chunk"
424 int DecoderSession_finish_ok(DecoderSession *d)
426 FLAC__bool ok = true, md5_failure = false;
429 md5_failure = !FLAC__stream_decoder_finish(d->decoder) && !d->aborting_due_to_until;
431 FLAC__stream_decoder_delete(d->decoder);
434 flac__analyze_finish(d->aopts);
436 flac__utils_printf(stderr, 1, "\r%s: ERROR, MD5 signature mismatch\n", d->inbasefilename);
437 ok = d->continue_through_decode_errors;
440 if(!d->got_stream_info) {
441 flac__utils_printf(stderr, 1, "\r%s: WARNING, cannot check MD5 signature since there was no STREAMINFO\n", d->inbasefilename);
442 ok = !d->treat_warnings_as_errors;
444 else if(!d->has_md5sum) {
445 flac__utils_printf(stderr, 1, "\r%s: WARNING, cannot check MD5 signature since it was unset in the STREAMINFO\n", d->inbasefilename);
446 ok = !d->treat_warnings_as_errors;
448 flac__utils_printf(stderr, 2, "\r%s: %s \n", d->inbasefilename, d->test_only? "ok ":d->analysis_mode?"done ":"done");
450 DecoderSession_destroy(d, /*error_occurred=*/!ok);
451 if(!d->analysis_mode && !d->test_only && d->format != FORMAT_RAW) {
452 if(d->iff_headers_need_fixup || (!d->got_stream_info && strcmp(d->outfilename, "-"))) {
453 if(!fixup_iff_headers(d))
456 if(d->foreign_metadata) {
458 if(!flac__foreign_metadata_write_to_iff(d->foreign_metadata, d->infilename, d->outfilename, d->fm_offset1, d->fm_offset2, d->fm_offset3, &error)) {
459 flac__utils_printf(stderr, 1, "ERROR updating foreign metadata from %s to %s: %s\n", d->infilename, d->outfilename, error);
467 int DecoderSession_finish_error(DecoderSession *d)
470 (void)FLAC__stream_decoder_finish(d->decoder);
471 FLAC__stream_decoder_delete(d->decoder);
474 flac__analyze_finish(d->aopts);
475 DecoderSession_destroy(d, /*error_occurred=*/true);
479 FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
481 /* convert from mm:ss.sss to sample number if necessary */
482 flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
484 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
485 if(spec->is_relative && spec->value.samples == 0) {
486 spec->is_relative = false;
490 /* in any other case the total samples in the input must be known */
491 if(total_samples_in_input == 0) {
492 flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when FLAC metadata has total sample count of 0\n", inbasefilename);
496 FLAC__ASSERT(spec->value_is_samples);
498 /* convert relative specifications to absolute */
499 if(spec->is_relative) {
500 if(spec->value.samples <= 0)
501 spec->value.samples += (FLAC__int64)total_samples_in_input;
503 spec->value.samples += skip;
504 spec->is_relative = false;
508 if(spec->value.samples < 0) {
509 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename);
512 if((FLAC__uint64)spec->value.samples <= skip) {
513 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename);
516 if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
517 flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename);
524 FLAC__bool write_iff_headers(FILE *f, DecoderSession *decoder_session, FLAC__uint64 samples)
526 const FileFormat format = decoder_session->format;
527 const char *fmt_desc =
528 format==FORMAT_WAVE? "WAVE" :
529 format==FORMAT_WAVE64? "Wave64" :
530 format==FORMAT_RF64? "RF64" :
532 const FLAC__bool is_waveformatextensible =
533 (format == FORMAT_WAVE || format == FORMAT_WAVE64 || format == FORMAT_RF64) &&
535 decoder_session->channel_mask == 2 ||
536 decoder_session->channel_mask > 3 ||
537 decoder_session->bps%8 ||
538 decoder_session->channels > 2
540 const FLAC__uint64 data_size = samples * decoder_session->channels * ((decoder_session->bps+7)/8);
541 const FLAC__uint64 aligned_data_size =
542 format == FORMAT_WAVE64?
543 (data_size+7) & (~(FLAC__uint64)7) :
544 (data_size+1) & (~(FLAC__uint64)1);
546 FLAC__uint64 iff_size;
547 unsigned foreign_metadata_size = 0; /* size of all non-audio non-fmt/COMM foreign metadata chunks */
548 foreign_metadata_t *fm = decoder_session->foreign_metadata;
552 format == FORMAT_WAVE ||
553 format == FORMAT_WAVE64 ||
554 format == FORMAT_RF64 ||
555 format == FORMAT_AIFF ||
556 format == FORMAT_AIFF_C
561 flac__utils_printf(stderr, 1, "%s: WARNING, don't have accurate sample count available for %s header.\n", decoder_session->inbasefilename, fmt_desc);
562 flac__utils_printf(stderr, 1, " Generated %s file will have a data chunk size of 0. Try\n", fmt_desc);
563 flac__utils_printf(stderr, 1, " decoding directly to a file instead.\n");
564 if(decoder_session->treat_warnings_as_errors)
568 decoder_session->iff_headers_need_fixup = true;
573 FLAC__ASSERT(fm->format_block);
574 FLAC__ASSERT(fm->audio_block);
575 FLAC__ASSERT(fm->format_block < fm->audio_block);
576 /* calc foreign metadata size; we always skip the first chunk, ds64 chunk, format chunk, and sound chunk since we write our own */
577 for(i = format==FORMAT_RF64?2:1; i < fm->num_blocks; i++) {
578 if(i != fm->format_block && i != fm->audio_block)
579 foreign_metadata_size += fm->blocks[i].size;
585 else if(format == FORMAT_WAVE || format == FORMAT_RF64)
586 /* 4 for WAVE form bytes */
587 /* +{36,0} for ds64 chunk */
588 /* +8+{40,16} for fmt chunk header and body */
589 /* +8 for data chunk header */
590 iff_size = 4 + (format==FORMAT_RF64?36:0) + 8+(is_waveformatextensible?40:16) + 8 + foreign_metadata_size + aligned_data_size;
591 else if(format == FORMAT_WAVE64)
592 /* 16+8 for RIFF GUID and size field */
593 /* +16 for WAVE GUID */
594 /* +16+8+{40,16} for fmt chunk header (GUID and size field) and body */
595 /* +16+8 for data chunk header (GUID and size field) */
596 iff_size = 16+8 + 16 + 16+8+(is_waveformatextensible?40:16) + 16+8 + foreign_metadata_size + aligned_data_size;
598 iff_size = 46 + foreign_metadata_size + aligned_data_size;
600 if(format != FORMAT_WAVE64 && format != FORMAT_RF64 && iff_size >= 0xFFFFFFF4) {
601 flac__utils_printf(stderr, 1, "%s: ERROR: stream is too big to fit in a single %s file\n", decoder_session->inbasefilename, fmt_desc);
605 if(format == FORMAT_WAVE || format == FORMAT_WAVE64 || format == FORMAT_RF64) {
609 if(flac__utils_fwrite("RIFF", 1, 4, f) != 4)
611 if(!write_little_endian_uint32(f, (FLAC__uint32)iff_size)) /* filesize-8 */
613 if(flac__utils_fwrite("WAVE", 1, 4, f) != 4)
617 /* RIFF GUID 66666972-912E-11CF-A5D6-28DB04C10000 */
618 if(flac__utils_fwrite("\x72\x69\x66\x66\x2E\x91\xCF\x11\xD6\xA5\x28\xDB\x04\xC1\x00\x00", 1, 16, f) != 16)
620 if(!write_little_endian_uint64(f, iff_size))
622 /* WAVE GUID 65766177-ACF3-11D3-8CD1-00C04F8EDB8A */
623 if(flac__utils_fwrite("\x77\x61\x76\x65\xF3\xAC\xD3\x11\xD1\x8C\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16)
627 if(flac__utils_fwrite("RF64", 1, 4, f) != 4)
629 if(!write_little_endian_uint32(f, 0xffffffff))
631 if(flac__utils_fwrite("WAVE", 1, 4, f) != 4)
638 /* ds64 chunk for RF64 */
639 if(format == FORMAT_RF64) {
640 if(flac__utils_fwrite("ds64", 1, 4, f) != 4)
643 if(!write_little_endian_uint32(f, 28)) /* chunk size */
646 if(!write_little_endian_uint64(f, iff_size))
649 if(!write_little_endian_uint64(f, data_size))
652 if(!write_little_endian_uint64(f, samples)) /*@@@@@@ correct? */
655 if(!write_little_endian_uint32(f, 0)) /* table size */
659 decoder_session->fm_offset1 = ftello(f);
662 /* seek forward to {allocate} or {skip over already-written chunks} before "fmt " */
663 for(i = format==FORMAT_RF64?2:1; i < fm->format_block; i++) {
664 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
665 flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"fmt \"\n", decoder_session->inbasefilename);
671 if(format != FORMAT_WAVE64) {
672 if(flac__utils_fwrite("fmt ", 1, 4, f) != 4)
674 if(!write_little_endian_uint32(f, is_waveformatextensible? 40 : 16)) /* chunk size */
678 /* fmt GUID 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A */
679 if(flac__utils_fwrite("\x66\x6D\x74\x20\xF3\xAC\xD3\x11\xD1\x8C\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16)
681 /* chunk size (+16+8 for GUID and size fields) */
682 if(!write_little_endian_uint64(f, 16+8+(is_waveformatextensible?40:16)))
686 if(!write_riff_wave_fmt_chunk_body(f, is_waveformatextensible, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate, decoder_session->channel_mask))
689 decoder_session->fm_offset2 = ftello(f);
692 /* seek forward to {allocate} or {skip over already-written chunks} after "fmt " but before "data" */
693 for(i = fm->format_block+1; i < fm->audio_block; i++) {
694 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
695 flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"fmt \"\n", decoder_session->inbasefilename);
701 if(format != FORMAT_WAVE64) {
702 if(flac__utils_fwrite("data", 1, 4, f) != 4)
704 if(!write_little_endian_uint32(f, format==FORMAT_RF64? 0xffffffff : (FLAC__uint32)data_size))
708 /* data GUID 61746164-ACF3-11D3-8CD1-00C04F8EDB8A */
709 if(flac__utils_fwrite("\x64\x61\x74\x61\xF3\xAC\xD3\x11\xD1\x8C\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f) != 16)
711 /* +16+8 for GUID and size fields */
712 if(!write_little_endian_uint64(f, 16+8 + data_size))
716 decoder_session->fm_offset3 = ftello(f) + aligned_data_size;
719 if(flac__utils_fwrite("FORM", 1, 4, f) != 4)
722 if(!write_big_endian_uint32(f, (FLAC__uint32)iff_size)) /* filesize-8 */
725 if(flac__utils_fwrite("AIFF", 1, 4, f) != 4)
728 decoder_session->fm_offset1 = ftello(f);
731 /* seek forward to {allocate} or {skip over already-written chunks} before "COMM" */
732 for(i = 1; i < fm->format_block; i++) {
733 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
734 flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata before \"COMM\"\n", decoder_session->inbasefilename);
740 if(!write_aiff_form_comm_chunk(f, samples, decoder_session->bps, decoder_session->channels, decoder_session->sample_rate))
743 decoder_session->fm_offset2 = ftello(f);
746 /* seek forward to {allocate} or {skip over already-written chunks} after "COMM" but before "SSND" */
747 for(i = fm->format_block+1; i < fm->audio_block; i++) {
748 if(fseeko(f, fm->blocks[i].size, SEEK_CUR) < 0) {
749 flac__utils_printf(stderr, 1, "%s: ERROR: allocating/skipping foreign metadata after \"COMM\"\n", decoder_session->inbasefilename);
755 if(flac__utils_fwrite("SSND", 1, 4, f) != 4)
758 if(!write_big_endian_uint32(f, (FLAC__uint32)data_size + 8)) /* data size */
761 if(!write_big_endian_uint32(f, 0/*offset_size*/))
764 if(!write_big_endian_uint32(f, 0/*block_size*/))
767 decoder_session->fm_offset3 = ftello(f) + aligned_data_size;
773 FLAC__bool write_riff_wave_fmt_chunk_body(FILE *f, FLAC__bool is_waveformatextensible, unsigned bps, unsigned channels, unsigned sample_rate, FLAC__uint32 channel_mask)
775 if(!write_little_endian_uint16(f, (FLAC__uint16)(is_waveformatextensible? 65534 : 1))) /* compression code */
778 if(!write_little_endian_uint16(f, (FLAC__uint16)channels))
781 if(!write_little_endian_uint32(f, sample_rate))
784 if(!write_little_endian_uint32(f, sample_rate * channels * ((bps+7) / 8)))
787 if(!write_little_endian_uint16(f, (FLAC__uint16)(channels * ((bps+7) / 8)))) /* block align */
790 if(!write_little_endian_uint16(f, (FLAC__uint16)(((bps+7)/8)*8))) /* bits per sample */
793 if(is_waveformatextensible) {
794 if(!write_little_endian_uint16(f, (FLAC__uint16)22)) /* cbSize */
797 if(!write_little_endian_uint16(f, (FLAC__uint16)bps)) /* validBitsPerSample */
800 if(!write_little_endian_uint32(f, channel_mask))
803 /* GUID = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} */
804 if(flac__utils_fwrite("\x01\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xaa\x00\x38\x9b\x71", 1, 16, f) != 16)
811 FLAC__bool write_aiff_form_comm_chunk(FILE *f, FLAC__uint64 samples, unsigned bps, unsigned channels, unsigned sample_rate)
813 FLAC__ASSERT(samples <= 0xffffffff);
815 if(flac__utils_fwrite("COMM", 1, 4, f) != 4)
818 if(!write_big_endian_uint32(f, 18)) /* chunk size = 18 */
821 if(!write_big_endian_uint16(f, (FLAC__uint16)channels))
824 if(!write_big_endian_uint32(f, (FLAC__uint32)samples))
827 if(!write_big_endian_uint16(f, (FLAC__uint16)bps))
830 if(!write_sane_extended(f, sample_rate))
836 FLAC__bool write_little_endian_uint16(FILE *f, FLAC__uint16 val)
838 FLAC__byte *b = (FLAC__byte*)(&val);
839 if(is_big_endian_host_) {
841 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
843 return flac__utils_fwrite(b, 1, 2, f) == 2;
846 FLAC__bool write_little_endian_uint32(FILE *f, FLAC__uint32 val)
848 FLAC__byte *b = (FLAC__byte*)(&val);
849 if(is_big_endian_host_) {
851 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
852 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
854 return flac__utils_fwrite(b, 1, 4, f) == 4;
857 FLAC__bool write_little_endian_uint64(FILE *f, FLAC__uint64 val)
859 FLAC__byte *b = (FLAC__byte*)(&val);
860 if(is_big_endian_host_) {
862 tmp = b[7]; b[7] = b[0]; b[0] = tmp;
863 tmp = b[6]; b[6] = b[1]; b[1] = tmp;
864 tmp = b[5]; b[5] = b[2]; b[2] = tmp;
865 tmp = b[4]; b[4] = b[3]; b[3] = tmp;
867 return flac__utils_fwrite(b, 1, 8, f) == 8;
870 FLAC__bool write_big_endian_uint16(FILE *f, FLAC__uint16 val)
872 FLAC__byte *b = (FLAC__byte*)(&val);
873 if(!is_big_endian_host_) {
875 tmp = b[1]; b[1] = b[0]; b[0] = tmp;
877 return flac__utils_fwrite(b, 1, 2, f) == 2;
880 FLAC__bool write_big_endian_uint32(FILE *f, FLAC__uint32 val)
882 FLAC__byte *b = (FLAC__byte*)(&val);
883 if(!is_big_endian_host_) {
885 tmp = b[3]; b[3] = b[0]; b[0] = tmp;
886 tmp = b[2]; b[2] = b[1]; b[1] = tmp;
888 return flac__utils_fwrite(b, 1, 4, f) == 4;
891 FLAC__bool write_sane_extended(FILE *f, unsigned val)
892 /* Write to 'f' a SANE extended representation of 'val'. Return false if
893 * the write succeeds; return true otherwise.
895 * SANE extended is an 80-bit IEEE-754 representation with sign bit, 15 bits
896 * of exponent, and 64 bits of significand (mantissa). Unlike most IEEE-754
897 * representations, it does not imply a 1 above the MSB of the significand.
903 unsigned int shift, exponent;
905 FLAC__ASSERT(val!=0U); /* handling 0 would require a special case */
907 for(shift= 0U; (val>>(31-shift))==0U; ++shift)
910 exponent= 63U-(shift+32U); /* add 32 for unused second word */
912 if(!write_big_endian_uint16(f, (FLAC__uint16)(exponent+0x3FFF)))
914 if(!write_big_endian_uint32(f, val))
916 if(!write_big_endian_uint32(f, 0)) /* unused second word */
922 FLAC__bool fixup_iff_headers(DecoderSession *d)
924 const char *fmt_desc =
925 d->format==FORMAT_WAVE? "WAVE" :
926 d->format==FORMAT_WAVE64? "Wave64" :
927 d->format==FORMAT_RF64? "RF64" :
929 FILE *f = fopen(d->outfilename, "r+b"); /* stream is positioned at beginning of file */
932 flac__utils_printf(stderr, 1, "ERROR, couldn't open file %s while fixing up %s chunk size: %s\n", d->outfilename, fmt_desc, strerror(errno));
936 if(!write_iff_headers(f, d, d->samples_processed)) {
945 FLAC__StreamDecoderWriteStatus write_callback(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
947 DecoderSession *decoder_session = (DecoderSession*)client_data;
948 FILE *fout = decoder_session->fout;
949 const unsigned bps = frame->header.bits_per_sample, channels = frame->header.channels;
950 const unsigned shift = (decoder_session->format != FORMAT_RAW && (bps%8))? 8-(bps%8): 0;
951 FLAC__bool is_big_endian = (
952 decoder_session->format == FORMAT_AIFF || decoder_session->format == FORMAT_AIFF_C ? true : (
953 decoder_session->format == FORMAT_WAVE || decoder_session->format == FORMAT_WAVE64 || decoder_session->format == FORMAT_RF64 ? false :
954 decoder_session->is_big_endian
956 FLAC__bool is_unsigned_samples = (
957 decoder_session->format == FORMAT_AIFF || decoder_session->format == FORMAT_AIFF_C ? false : (
958 decoder_session->format == FORMAT_WAVE || decoder_session->format == FORMAT_WAVE64 || decoder_session->format == FORMAT_RF64 ? bps<=8 :
959 decoder_session->is_unsigned_samples
961 unsigned wide_samples = frame->header.blocksize, wide_sample, sample, channel, byte;
962 unsigned frame_bytes = 0;
963 static FLAC__int8 s8buffer[FLAC__MAX_BLOCK_SIZE * FLAC__MAX_CHANNELS * sizeof(FLAC__int32)]; /* WATCHOUT: can be up to 2 megs */
964 FLAC__uint8 *u8buffer = (FLAC__uint8 *)s8buffer;
965 FLAC__int16 *s16buffer = (FLAC__int16 *)s8buffer;
966 FLAC__uint16 *u16buffer = (FLAC__uint16 *)s8buffer;
967 FLAC__int32 *s32buffer = (FLAC__int32 *)s8buffer;
968 FLAC__uint32 *u32buffer = (FLAC__uint32 *)s8buffer;
969 size_t bytes_to_write = 0;
973 if(decoder_session->abort_flag)
974 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
976 /* sanity-check the bits-per-sample */
977 if(decoder_session->bps) {
978 if(bps != decoder_session->bps) {
979 if(decoder_session->got_stream_info)
980 flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, bps, decoder_session->bps);
982 flac__utils_printf(stderr, 1, "%s: ERROR, bits-per-sample is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, bps, decoder_session->bps);
983 if(!decoder_session->continue_through_decode_errors)
984 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
988 /* must not have gotten STREAMINFO, save the bps from the frame header */
989 FLAC__ASSERT(!decoder_session->got_stream_info);
990 decoder_session->bps = bps;
993 /* sanity-check the #channels */
994 if(decoder_session->channels) {
995 if(channels != decoder_session->channels) {
996 if(decoder_session->got_stream_info)
997 flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, channels, decoder_session->channels);
999 flac__utils_printf(stderr, 1, "%s: ERROR, channels is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, channels, decoder_session->channels);
1000 if(!decoder_session->continue_through_decode_errors)
1001 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1005 /* must not have gotten STREAMINFO, save the #channels from the frame header */
1006 FLAC__ASSERT(!decoder_session->got_stream_info);
1007 decoder_session->channels = channels;
1010 /* sanity-check the sample rate */
1011 if(decoder_session->sample_rate) {
1012 if(frame->header.sample_rate != decoder_session->sample_rate) {
1013 if(decoder_session->got_stream_info)
1014 flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in frame but %u in STREAMINFO\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate);
1016 flac__utils_printf(stderr, 1, "%s: ERROR, sample rate is %u in this frame but %u in previous frames\n", decoder_session->inbasefilename, frame->header.sample_rate, decoder_session->sample_rate);
1017 if(!decoder_session->continue_through_decode_errors)
1018 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1022 /* must not have gotten STREAMINFO, save the sample rate from the frame header */
1023 FLAC__ASSERT(!decoder_session->got_stream_info);
1024 decoder_session->sample_rate = frame->header.sample_rate;
1028 * limit the number of samples to accept based on --until
1030 FLAC__ASSERT(!decoder_session->skip_specification->is_relative);
1031 /* if we never got the total_samples from the metadata, the skip and until specs would never have been canonicalized, so protect against that: */
1032 if(decoder_session->skip_specification->is_relative) {
1033 if(decoder_session->skip_specification->value.samples == 0) /* special case for when no --skip was given */
1034 decoder_session->skip_specification->is_relative = false; /* convert to our meaning of beginning-of-stream */
1036 flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --skip because the total sample count was not found in the metadata\n", decoder_session->inbasefilename);
1037 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1040 if(decoder_session->until_specification->is_relative) {
1041 if(decoder_session->until_specification->value.samples == 0) /* special case for when no --until was given */
1042 decoder_session->until_specification->is_relative = false; /* convert to our meaning of end-of-stream */
1044 flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until because the total sample count was not found in the metadata\n", decoder_session->inbasefilename);
1045 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1048 FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0);
1049 FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0);
1050 if(decoder_session->until_specification->value.samples > 0) {
1051 const FLAC__uint64 skip = (FLAC__uint64)decoder_session->skip_specification->value.samples;
1052 const FLAC__uint64 until = (FLAC__uint64)decoder_session->until_specification->value.samples;
1053 const FLAC__uint64 input_samples_passed = skip + decoder_session->samples_processed;
1054 FLAC__ASSERT(until >= input_samples_passed);
1055 if(input_samples_passed + wide_samples > until)
1056 wide_samples = (unsigned)(until - input_samples_passed);
1057 if (wide_samples == 0) {
1058 decoder_session->abort_flag = true;
1059 decoder_session->aborting_due_to_until = true;
1060 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1064 if(decoder_session->analysis_mode) {
1066 FLAC__stream_decoder_get_decode_position(decoder_session->decoder, &dpos);
1067 frame_bytes = (unsigned)(dpos-decoder_session->decode_position);
1068 decoder_session->decode_position = dpos;
1071 if(wide_samples > 0) {
1072 decoder_session->samples_processed += wide_samples;
1073 decoder_session->frame_counter++;
1075 if(!(decoder_session->frame_counter & 0x3f))
1076 print_stats(decoder_session);
1078 if(decoder_session->analysis_mode) {
1079 flac__analyze_frame(frame, decoder_session->frame_counter-1, decoder_session->decode_position-frame_bytes, frame_bytes, decoder_session->aopts, fout);
1081 else if(!decoder_session->test_only) {
1082 if(shift && !decoder_session->replaygain.apply) {
1083 for(wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1084 for(channel = 0; channel < channels; channel++)
1085 ((FLAC__int32**)buffer)[channel][wide_sample] <<= shift;/*@@@@@@un-const'ing the buffer is hacky but safe*/
1087 if(decoder_session->replaygain.apply) {
1088 bytes_to_write = FLAC__replaygain_synthesis__apply_gain(
1091 is_unsigned_samples,
1095 bps, /* source_bps */
1096 bps+shift, /* target_bps */
1097 decoder_session->replaygain.scale,
1098 decoder_session->replaygain.spec.limiter == RGSS_LIMIT__HARD, /* hard_limit */
1099 decoder_session->replaygain.spec.noise_shaping != NOISE_SHAPING_NONE, /* do_dithering */
1100 &decoder_session->replaygain.dither_context
1103 /* first some special code for common cases */
1104 else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 2 && bps+shift == 16) {
1105 FLAC__int16 *buf1_ = s16buffer + 1;
1107 memcpy(s16buffer, ((FLAC__byte*)(buffer[0]))+2, sizeof(FLAC__int32) * wide_samples - 2);
1109 memcpy(s16buffer, buffer[0], sizeof(FLAC__int32) * wide_samples);
1110 for(sample = 0; sample < wide_samples; sample++, buf1_+=2)
1111 *buf1_ = (FLAC__int16)buffer[1][sample];
1112 bytes_to_write = 4 * sample;
1114 else if(is_big_endian == is_big_endian_host_ && !is_unsigned_samples && channels == 1 && bps+shift == 16) {
1115 FLAC__int16 *buf1_ = s16buffer;
1116 for(sample = 0; sample < wide_samples; sample++)
1117 *buf1_++ = (FLAC__int16)buffer[0][sample];
1118 bytes_to_write = 2 * sample;
1120 /* generic code for the rest */
1121 else if(bps+shift == 16) {
1122 if(is_unsigned_samples) {
1124 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) {
1125 u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000);
1126 u16buffer[sample++] = (FLAC__uint16)(buffer[1][wide_sample] + 0x8000);
1129 else if(channels == 1) {
1130 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1131 u16buffer[sample++] = (FLAC__uint16)(buffer[0][wide_sample] + 0x8000);
1133 else { /* works for any 'channels' but above flavors are faster for 1 and 2 */
1134 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1135 for(channel = 0; channel < channels; channel++, sample++)
1136 u16buffer[sample] = (FLAC__uint16)(buffer[channel][wide_sample] + 0x8000);
1141 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++) {
1142 s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]);
1143 s16buffer[sample++] = (FLAC__int16)(buffer[1][wide_sample]);
1146 else if(channels == 1) {
1147 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1148 s16buffer[sample++] = (FLAC__int16)(buffer[0][wide_sample]);
1150 else { /* works for any 'channels' but above flavors are faster for 1 and 2 */
1151 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1152 for(channel = 0; channel < channels; channel++, sample++)
1153 s16buffer[sample] = (FLAC__int16)(buffer[channel][wide_sample]);
1156 if(is_big_endian != is_big_endian_host_) {
1158 const unsigned bytes = sample * 2;
1159 for(byte = 0; byte < bytes; byte += 2) {
1160 tmp = u8buffer[byte];
1161 u8buffer[byte] = u8buffer[byte+1];
1162 u8buffer[byte+1] = tmp;
1165 bytes_to_write = 2 * sample;
1167 else if(bps+shift == 24) {
1168 if(is_unsigned_samples) {
1169 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1170 for(channel = 0; channel < channels; channel++, sample++)
1171 u32buffer[sample] = buffer[channel][wide_sample] + 0x800000;
1174 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1175 for(channel = 0; channel < channels; channel++, sample++)
1176 s32buffer[sample] = buffer[channel][wide_sample];
1178 if(is_big_endian != is_big_endian_host_) {
1180 const unsigned bytes = sample * 4;
1181 for(byte = 0; byte < bytes; byte += 4) {
1182 tmp = u8buffer[byte];
1183 u8buffer[byte] = u8buffer[byte+3];
1184 u8buffer[byte+3] = tmp;
1185 tmp = u8buffer[byte+1];
1186 u8buffer[byte+1] = u8buffer[byte+2];
1187 u8buffer[byte+2] = tmp;
1192 const unsigned bytes = sample * 4;
1193 for(lbyte = byte = 0; byte < bytes; ) {
1195 u8buffer[lbyte++] = u8buffer[byte++];
1196 u8buffer[lbyte++] = u8buffer[byte++];
1197 u8buffer[lbyte++] = u8buffer[byte++];
1202 const unsigned bytes = sample * 4;
1203 for(lbyte = byte = 0; byte < bytes; ) {
1204 u8buffer[lbyte++] = u8buffer[byte++];
1205 u8buffer[lbyte++] = u8buffer[byte++];
1206 u8buffer[lbyte++] = u8buffer[byte++];
1210 bytes_to_write = 3 * sample;
1212 else if(bps+shift == 8) {
1213 if(is_unsigned_samples) {
1214 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1215 for(channel = 0; channel < channels; channel++, sample++)
1216 u8buffer[sample] = (FLAC__uint8)(buffer[channel][wide_sample] + 0x80);
1219 for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
1220 for(channel = 0; channel < channels; channel++, sample++)
1221 s8buffer[sample] = (FLAC__int8)(buffer[channel][wide_sample]);
1223 bytes_to_write = sample;
1227 /* double protection */
1228 decoder_session->abort_flag = true;
1229 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1233 if(bytes_to_write > 0) {
1234 if(flac__utils_fwrite(u8buffer, 1, bytes_to_write, fout) != bytes_to_write) {
1235 /* if a pipe closed when writing to stdout, we let it go without an error message */
1236 if(errno == EPIPE && decoder_session->fout == stdout)
1237 decoder_session->aborting_due_to_until = true;
1238 decoder_session->abort_flag = true;
1239 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
1242 return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
1245 void metadata_callback(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
1247 DecoderSession *decoder_session = (DecoderSession*)client_data;
1249 if(decoder_session->analysis_mode)
1250 FLAC__stream_decoder_get_decode_position(decoder, &decoder_session->decode_position);
1252 if(metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
1253 FLAC__uint64 skip, until;
1254 decoder_session->got_stream_info = true;
1255 decoder_session->has_md5sum = memcmp(metadata->data.stream_info.md5sum, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16);
1256 decoder_session->bps = metadata->data.stream_info.bits_per_sample;
1257 decoder_session->channels = metadata->data.stream_info.channels;
1258 decoder_session->sample_rate = metadata->data.stream_info.sample_rate;
1260 flac__utils_canonicalize_skip_until_specification(decoder_session->skip_specification, decoder_session->sample_rate);
1261 FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0);
1262 skip = (FLAC__uint64)decoder_session->skip_specification->value.samples;
1264 /* remember, metadata->data.stream_info.total_samples can be 0, meaning 'unknown' */
1265 if(metadata->data.stream_info.total_samples > 0 && skip >= metadata->data.stream_info.total_samples) {
1266 flac__utils_printf(stderr, 1, "%s: ERROR trying to --skip more samples than in stream\n", decoder_session->inbasefilename);
1267 decoder_session->abort_flag = true;
1270 else if(metadata->data.stream_info.total_samples == 0 && skip > 0) {
1271 flac__utils_printf(stderr, 1, "%s: ERROR, can't --skip when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename);
1272 decoder_session->abort_flag = true;
1275 FLAC__ASSERT(skip == 0 || 0 == decoder_session->cue_specification);
1276 decoder_session->total_samples = metadata->data.stream_info.total_samples - skip;
1278 /* note that we use metadata->data.stream_info.total_samples instead of decoder_session->total_samples */
1279 if(!canonicalize_until_specification(decoder_session->until_specification, decoder_session->inbasefilename, decoder_session->sample_rate, skip, metadata->data.stream_info.total_samples)) {
1280 decoder_session->abort_flag = true;
1283 FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0);
1284 until = (FLAC__uint64)decoder_session->until_specification->value.samples;
1287 FLAC__ASSERT(decoder_session->total_samples != 0);
1288 FLAC__ASSERT(0 == decoder_session->cue_specification);
1289 decoder_session->total_samples -= (metadata->data.stream_info.total_samples - until);
1292 if(decoder_session->bps < 4 || decoder_session->bps > 24) {
1293 flac__utils_printf(stderr, 1, "%s: ERROR: bits per sample is %u, must be 4-24\n", decoder_session->inbasefilename, decoder_session->bps);
1294 decoder_session->abort_flag = true;
1298 else if(metadata->type == FLAC__METADATA_TYPE_CUESHEET) {
1299 /* remember, at this point, decoder_session->total_samples can be 0, meaning 'unknown' */
1300 if(decoder_session->total_samples == 0) {
1301 flac__utils_printf(stderr, 1, "%s: ERROR can't use --cue when FLAC metadata has total sample count of 0\n", decoder_session->inbasefilename);
1302 decoder_session->abort_flag = true;
1306 flac__utils_canonicalize_cue_specification(decoder_session->cue_specification, &metadata->data.cue_sheet, decoder_session->total_samples, decoder_session->skip_specification, decoder_session->until_specification);
1308 FLAC__ASSERT(!decoder_session->skip_specification->is_relative);
1309 FLAC__ASSERT(decoder_session->skip_specification->value_is_samples);
1311 FLAC__ASSERT(!decoder_session->until_specification->is_relative);
1312 FLAC__ASSERT(decoder_session->until_specification->value_is_samples);
1314 FLAC__ASSERT(decoder_session->skip_specification->value.samples >= 0);
1315 FLAC__ASSERT(decoder_session->until_specification->value.samples >= 0);
1316 FLAC__ASSERT((FLAC__uint64)decoder_session->until_specification->value.samples <= decoder_session->total_samples);
1317 FLAC__ASSERT(decoder_session->skip_specification->value.samples <= decoder_session->until_specification->value.samples);
1319 decoder_session->total_samples = decoder_session->until_specification->value.samples - decoder_session->skip_specification->value.samples;
1321 else if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
1322 if (decoder_session->replaygain.spec.apply) {
1323 double reference, gain, peak;
1324 if (!(decoder_session->replaygain.apply = grabbag__replaygain_load_from_vorbiscomment(metadata, decoder_session->replaygain.spec.use_album_gain, /*strict=*/false, &reference, &gain, &peak))) {
1325 flac__utils_printf(stderr, 1, "%s: WARNING: can't get %s (or even %s) ReplayGain tags\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", decoder_session->replaygain.spec.use_album_gain? "track":"album");
1326 if(decoder_session->treat_warnings_as_errors) {
1327 decoder_session->abort_flag = true;
1332 const char *ls[] = { "no", "peak", "hard" };
1333 const char *ns[] = { "no", "low", "medium", "high" };
1334 decoder_session->replaygain.scale = grabbag__replaygain_compute_scale_factor(peak, gain, decoder_session->replaygain.spec.preamp, decoder_session->replaygain.spec.limiter == RGSS_LIMIT__PEAK);
1335 FLAC__ASSERT(decoder_session->bps > 0 && decoder_session->bps <= 32);
1336 FLAC__replaygain_synthesis__init_dither_context(&decoder_session->replaygain.dither_context, decoder_session->bps, decoder_session->replaygain.spec.noise_shaping);
1337 flac__utils_printf(stderr, 1, "%s: INFO: applying %s ReplayGain (gain=%0.2fdB+preamp=%0.1fdB, %s noise shaping, %s limiting) to output\n", decoder_session->inbasefilename, decoder_session->replaygain.spec.use_album_gain? "album":"track", gain, decoder_session->replaygain.spec.preamp, ns[decoder_session->replaygain.spec.noise_shaping], ls[decoder_session->replaygain.spec.limiter]);
1338 flac__utils_printf(stderr, 1, "%s: WARNING: applying ReplayGain is not lossless\n", decoder_session->inbasefilename);
1339 /* don't check if(decoder_session->treat_warnings_as_errors) because the user explicitly asked for it */
1342 (void)flac__utils_get_channel_mask_tag(metadata, &decoder_session->channel_mask);
1346 void error_callback(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
1348 DecoderSession *decoder_session = (DecoderSession*)client_data;
1350 if(!decoder_session->error_callback_suppress_messages)
1351 flac__utils_printf(stderr, 1, "%s: *** Got error code %d:%s\n", decoder_session->inbasefilename, status, FLAC__StreamDecoderErrorStatusString[status]);
1352 if(!decoder_session->continue_through_decode_errors) {
1353 /* if we got a sync error while looking for metadata, either it's not a FLAC file (more likely) or the file is corrupted */
1355 !decoder_session->error_callback_suppress_messages &&
1356 status == FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC &&
1357 FLAC__stream_decoder_get_state(decoder) == FLAC__STREAM_DECODER_SEARCH_FOR_METADATA
1359 flac__utils_printf(stderr, 1,
1361 "The input file is either not a FLAC file or is corrupted. If you are\n"
1362 "convinced it is a FLAC file, you can rerun the same command and add the\n"
1363 "-F parameter to try and recover as much as possible from the file.\n"
1365 decoder_session->error_callback_suppress_messages = true;
1367 else if(status == FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM)
1368 decoder_session->aborting_due_to_unparseable = true;
1369 decoder_session->abort_flag = true;
1373 void print_error_with_init_status(const DecoderSession *d, const char *message, FLAC__StreamDecoderInitStatus init_status)
1375 const int ilen = strlen(d->inbasefilename) + 1;
1377 flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message);
1379 flac__utils_printf(stderr, 1, "%*s init status = %s\n", ilen, "", FLAC__StreamDecoderInitStatusString[init_status]);
1381 /* print out some more info for some errors: */
1382 if (init_status == FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE) {
1383 flac__utils_printf(stderr, 1,
1385 "An error occurred opening the input file; it is likely that it does not exist\n"
1386 "or is not readable.\n"
1391 void print_error_with_state(const DecoderSession *d, const char *message)
1393 const int ilen = strlen(d->inbasefilename) + 1;
1395 flac__utils_printf(stderr, 1, "\n%s: %s\n", d->inbasefilename, message);
1396 flac__utils_printf(stderr, 1, "%*s state = %s\n", ilen, "", FLAC__stream_decoder_get_resolved_state_string(d->decoder));
1398 /* print out some more info for some errors: */
1399 if (d->aborting_due_to_unparseable) {
1400 flac__utils_printf(stderr, 1,
1402 "The FLAC stream may have been created by a more advanced encoder. Try\n"
1403 " metaflac --show-vendor-tag %s\n"
1404 "If the version number is greater than %s, this decoder is probably\n"
1405 "not able to decode the file. If the version number is not, the file\n"
1406 "may be corrupted, or you may have found a bug. In this case please\n"
1407 "submit a bug report to\n"
1408 " http://sourceforge.net/bugs/?func=addbug&group_id=13478\n"
1409 "Make sure to use the \"Monitor\" feature to monitor the bug status.\n",
1410 d->inbasefilename, FLAC__VERSION_STRING
1415 void print_stats(const DecoderSession *decoder_session)
1417 if(flac__utils_verbosity_ >= 2) {
1418 #if defined _MSC_VER || defined __MINGW32__
1419 /* with MSVC you have to spoon feed it the casting */
1420 const double progress = (double)(FLAC__int64)decoder_session->samples_processed / (double)(FLAC__int64)decoder_session->total_samples * 100.0;
1422 const double progress = (double)decoder_session->samples_processed / (double)decoder_session->total_samples * 100.0;
1424 if(decoder_session->total_samples > 0) {
1425 fprintf(stderr, "\r%s: %s%u%% complete",
1426 decoder_session->inbasefilename,
1427 decoder_session->test_only? "testing, " : decoder_session->analysis_mode? "analyzing, " : "",
1428 (unsigned)floor(progress + 0.5)
1432 fprintf(stderr, "\r%s: %s %u samples",
1433 decoder_session->inbasefilename,
1434 decoder_session->test_only? "tested" : decoder_session->analysis_mode? "analyzed" : "wrote",
1435 (unsigned)decoder_session->samples_processed