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 along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 FLAC__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 /* currently FLAC order matches SMPTE/WAVEFORMATEXTENSIBLE order, so no reordering is necessary; see encode.c */
337 /* only the channel mask must be set if it was not already picked up from the WAVEFORMATEXTENSIBLE_CHANNEL_MASK tag */
338 if(!d
->channel_map_none
&& d
->channel_mask
== 0) {
339 if(d
->channels
== 1) {
340 d
->channel_mask
= 0x0001;
342 else if(d
->channels
== 2) {
343 d
->channel_mask
= 0x0003;
345 else if(d
->channels
== 3) {
346 d
->channel_mask
= 0x0007;
348 else if(d
->channels
== 4) {
349 d
->channel_mask
= 0x0033;
351 else if(d
->channels
== 5) {
352 d
->channel_mask
= 0x0607;
354 else if(d
->channels
== 6) {
355 d
->channel_mask
= 0x060f;
357 else if(d
->channels
== 7) {
358 d
->channel_mask
= 0x070f;
360 else if(d
->channels
== 8) {
361 d
->channel_mask
= 0x063f;
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\xA5\xD6\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\x8C\xD1\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\x8C\xD1\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\x8C\xD1\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 static int count
= 0;
1418 if(flac__utils_verbosity_
>= 2) {
1419 #if defined _MSC_VER || defined __MINGW32__
1420 /* with MSVC you have to spoon feed it the casting */
1421 const double progress
= (double)(FLAC__int64
)decoder_session
->samples_processed
/ (double)(FLAC__int64
)decoder_session
->total_samples
* 100.0;
1423 const double progress
= (double)decoder_session
->samples_processed
/ (double)decoder_session
->total_samples
* 100.0;
1425 if(decoder_session
->total_samples
> 0) {
1426 while (count
> 0 && count
--)
1427 fprintf(stderr
, "\b");
1429 if ((unsigned)floor(progress
+ 0.5) == 100)
1432 count
= fprintf(stderr
, "%s: %s%u%% complete",
1433 decoder_session
->inbasefilename
,
1434 decoder_session
->test_only
? "testing, " : decoder_session
->analysis_mode
? "analyzing, " : "",
1435 (unsigned)floor(progress
+ 0.5)
1439 fprintf(stderr
, "\r%s: %s %u samples",
1440 decoder_session
->inbasefilename
,
1441 decoder_session
->test_only
? "tested" : decoder_session
->analysis_mode
? "analyzed" : "wrote",
1442 (unsigned)decoder_session
->samples_processed