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
,
176 if(!DecoderSession_init_decoder(&decoder_session
, infilename
))
177 return DecoderSession_finish_error(&decoder_session
);
179 if(!DecoderSession_process(&decoder_session
))
180 return DecoderSession_finish_error(&decoder_session
);
182 return DecoderSession_finish_ok(&decoder_session
);
185 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
)
189 d
->use_first_serial_number
= use_first_serial_number
;
190 d
->serial_number
= serial_number
;
193 (void)use_first_serial_number
;
198 d
->treat_warnings_as_errors
= treat_warnings_as_errors
;
199 d
->continue_through_decode_errors
= continue_through_decode_errors
;
200 d
->channel_map_none
= channel_map_none
;
201 d
->replaygain
.spec
= replaygain_synthesis_spec
;
202 d
->replaygain
.apply
= false;
203 d
->replaygain
.scale
= 0.0;
204 /* d->replaygain.dither_context gets initialized later once we know the sample resolution */
205 d
->test_only
= (0 == outfilename
);
206 d
->analysis_mode
= analysis_mode
;
208 d
->skip_specification
= skip_specification
;
209 d
->until_specification
= until_specification
;
210 d
->cue_specification
= cue_specification
;
212 d
->inbasefilename
= grabbag__file_get_basename(infilename
);
213 d
->infilename
= infilename
;
214 d
->outfilename
= outfilename
;
216 d
->samples_processed
= 0;
217 d
->frame_counter
= 0;
218 d
->abort_flag
= false;
219 d
->aborting_due_to_until
= false;
220 d
->aborting_due_to_unparseable
= false;
221 d
->error_callback_suppress_messages
= false;
223 d
->iff_headers_need_fixup
= false;
225 d
->total_samples
= 0;
226 d
->got_stream_info
= false;
227 d
->has_md5sum
= false;
233 d
->decode_position
= 0;
237 d
->fout
= 0; /* initialized with an open file later if necessary */
239 d
->foreign_metadata
= foreign_metadata
;
241 FLAC__ASSERT(!(d
->test_only
&& d
->analysis_mode
));
244 if(0 == strcmp(outfilename
, "-")) {
245 d
->fout
= grabbag__file_get_binary_stdout();
248 if(0 == (d
->fout
= flac_fopen(outfilename
, "wb"))) {
249 flac__utils_printf(stderr
, 1, "%s: ERROR: can't open output file %s: %s\n", d
->inbasefilename
, outfilename
, strerror(errno
));
250 DecoderSession_destroy(d
, /*error_occurred=*/true);
257 flac__analyze_init(aopts
);
262 void DecoderSession_destroy(DecoderSession
*d
, FLAC__bool error_occurred
)
264 if(0 != d
->fout
&& d
->fout
!= stdout
) {
267 flac_unlink(d
->outfilename
);
271 FLAC__bool
DecoderSession_init_decoder(DecoderSession
*decoder_session
, const char *infilename
)
273 FLAC__StreamDecoderInitStatus init_status
;
274 FLAC__uint32 test
= 1;
276 is_big_endian_host_
= (*((FLAC__byte
*)(&test
)))? false : true;
278 if(!decoder_session
->analysis_mode
&& !decoder_session
->test_only
&& decoder_session
->foreign_metadata
) {
280 if(!flac__foreign_metadata_read_from_flac(decoder_session
->foreign_metadata
, infilename
, &error
)) {
281 flac__utils_printf(stderr
, 1, "%s: ERROR reading foreign metadata: %s\n", decoder_session
->inbasefilename
, error
);
286 decoder_session
->decoder
= FLAC__stream_decoder_new();
288 if(0 == decoder_session
->decoder
) {
289 flac__utils_printf(stderr
, 1, "%s: ERROR creating the decoder instance\n", decoder_session
->inbasefilename
);
293 FLAC__stream_decoder_set_md5_checking(decoder_session
->decoder
, true);
294 if (0 != decoder_session
->cue_specification
)
295 FLAC__stream_decoder_set_metadata_respond(decoder_session
->decoder
, FLAC__METADATA_TYPE_CUESHEET
);
296 if (decoder_session
->replaygain
.spec
.apply
)
297 FLAC__stream_decoder_set_metadata_respond(decoder_session
->decoder
, FLAC__METADATA_TYPE_VORBIS_COMMENT
);
300 if(decoder_session
->is_ogg
) {
301 if(!decoder_session
->use_first_serial_number
)
302 FLAC__stream_decoder_set_ogg_serial_number(decoder_session
->decoder
, decoder_session
->serial_number
);
303 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
);
308 init_status
= FLAC__stream_decoder_init_file(decoder_session
->decoder
, strcmp(infilename
, "-")? infilename
: 0, write_callback
, metadata_callback
, error_callback
, /*client_data=*/decoder_session
);
311 if(init_status
!= FLAC__STREAM_DECODER_INIT_STATUS_OK
) {
312 print_error_with_init_status(decoder_session
, "ERROR initializing decoder", init_status
);
319 FLAC__bool
DecoderSession_process(DecoderSession
*d
)
321 if(!FLAC__stream_decoder_process_until_end_of_metadata(d
->decoder
)) {
322 flac__utils_printf(stderr
, 2, "\n");
323 print_error_with_state(d
, "ERROR while decoding metadata");
326 if(FLAC__stream_decoder_get_state(d
->decoder
) > FLAC__STREAM_DECODER_END_OF_STREAM
) {
327 flac__utils_printf(stderr
, 2, "\n");
328 print_error_with_state(d
, "ERROR during metadata decoding");
329 if(!d
->continue_through_decode_errors
)
336 /* set channel mapping */
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
->channel_map_none
&& d
->channel_mask
== 0) {
340 if(d
->channels
== 1) {
341 d
->channel_mask
= 0x0001;
343 else if(d
->channels
== 2) {
344 d
->channel_mask
= 0x0003;
346 else if(d
->channels
== 3) {
347 d
->channel_mask
= 0x0007;
349 else if(d
->channels
== 4) {
350 d
->channel_mask
= 0x0033;
352 else if(d
->channels
== 5) {
353 d
->channel_mask
= 0x0607;
355 else if(d
->channels
== 6) {
356 d
->channel_mask
= 0x060f;
358 else if(d
->channels
== 7) {
359 d
->channel_mask
= 0x070f;
361 else if(d
->channels
== 8) {
362 d
->channel_mask
= 0x063f;
366 /* write the WAVE/AIFF headers if necessary */
367 if(!d
->analysis_mode
&& !d
->test_only
&& d
->format
!= FORMAT_RAW
) {
368 if(!write_iff_headers(d
->fout
, d
, d
->total_samples
)) {
369 d
->abort_flag
= true;
374 if(d
->skip_specification
->value
.samples
> 0) {
375 const FLAC__uint64 skip
= (FLAC__uint64
)d
->skip_specification
->value
.samples
;
377 if(!FLAC__stream_decoder_seek_absolute(d
->decoder
, skip
)) {
378 print_error_with_state(d
, "ERROR seeking while skipping bytes");
382 if(!FLAC__stream_decoder_process_until_end_of_stream(d
->decoder
) && !d
->aborting_due_to_until
) {
383 flac__utils_printf(stderr
, 2, "\n");
384 print_error_with_state(d
, "ERROR while decoding data");
385 if(!d
->continue_through_decode_errors
)
389 (d
->abort_flag
&& !(d
->aborting_due_to_until
|| d
->continue_through_decode_errors
)) ||
390 (FLAC__stream_decoder_get_state(d
->decoder
) > FLAC__STREAM_DECODER_END_OF_STREAM
&& !d
->aborting_due_to_until
)
392 flac__utils_printf(stderr
, 2, "\n");
393 print_error_with_state(d
, "ERROR during decoding");
397 /* write padding bytes for alignment if necessary */
398 if(!d
->analysis_mode
&& !d
->test_only
&& d
->format
!= FORMAT_RAW
) {
399 const FLAC__uint64 data_size
= d
->total_samples
* d
->channels
* ((d
->bps
+7)/8);
401 if(d
->format
!= FORMAT_WAVE64
) {
402 padding
= (unsigned)(data_size
& 1);
405 /* 8-byte alignment for Wave64 */
406 padding
= (8 - (unsigned)(data_size
& 7)) & 7;
408 for( ; padding
> 0; --padding
) {
409 if(flac__utils_fwrite("\000", 1, 1, d
->fout
) != 1) {
410 print_error_with_state(
412 d
->format
== FORMAT_WAVE
? "ERROR writing pad byte to WAVE data chunk" :
413 d
->format
== FORMAT_WAVE64
? "ERROR writing pad bytes to WAVE64 data chunk" :
414 d
->format
== FORMAT_RF64
? "ERROR writing pad byte to RF64 data chunk" :
415 "ERROR writing pad byte to AIFF SSND chunk"
425 int DecoderSession_finish_ok(DecoderSession
*d
)
427 FLAC__bool ok
= true, md5_failure
= false;
430 md5_failure
= !FLAC__stream_decoder_finish(d
->decoder
) && !d
->aborting_due_to_until
;
432 FLAC__stream_decoder_delete(d
->decoder
);
435 flac__analyze_finish(d
->aopts
);
437 stats_print_name(1, d
->inbasefilename
);
438 flac__utils_printf(stderr
, 1, "ERROR, MD5 signature mismatch\n");
439 ok
= d
->continue_through_decode_errors
;
442 if(!d
->got_stream_info
) {
443 stats_print_name(1, d
->inbasefilename
);
444 flac__utils_printf(stderr
, 1, "WARNING, cannot check MD5 signature since there was no STREAMINFO\n");
445 ok
= !d
->treat_warnings_as_errors
;
447 else if(!d
->has_md5sum
) {
448 stats_print_name(1, d
->inbasefilename
);
449 flac__utils_printf(stderr
, 1, "WARNING, cannot check MD5 signature since it was unset in the STREAMINFO\n");
450 ok
= !d
->treat_warnings_as_errors
;
452 stats_print_name(2, d
->inbasefilename
);
453 flac__utils_printf(stderr
, 2, "%s \n", d
->test_only
? "ok ":d
->analysis_mode
?"done ":"done");
455 DecoderSession_destroy(d
, /*error_occurred=*/!ok
);
456 if(!d
->analysis_mode
&& !d
->test_only
&& d
->format
!= FORMAT_RAW
) {
457 if(d
->iff_headers_need_fixup
|| (!d
->got_stream_info
&& strcmp(d
->outfilename
, "-"))) {
458 if(!fixup_iff_headers(d
))
461 if(d
->foreign_metadata
) {
463 if(!flac__foreign_metadata_write_to_iff(d
->foreign_metadata
, d
->infilename
, d
->outfilename
, d
->fm_offset1
, d
->fm_offset2
, d
->fm_offset3
, &error
)) {
464 flac__utils_printf(stderr
, 1, "ERROR updating foreign metadata from %s to %s: %s\n", d
->infilename
, d
->outfilename
, error
);
472 int DecoderSession_finish_error(DecoderSession
*d
)
475 (void)FLAC__stream_decoder_finish(d
->decoder
);
476 FLAC__stream_decoder_delete(d
->decoder
);
479 flac__analyze_finish(d
->aopts
);
480 DecoderSession_destroy(d
, /*error_occurred=*/true);
484 FLAC__bool
canonicalize_until_specification(utils__SkipUntilSpecification
*spec
, const char *inbasefilename
, unsigned sample_rate
, FLAC__uint64 skip
, FLAC__uint64 total_samples_in_input
)
486 /* convert from mm:ss.sss to sample number if necessary */
487 flac__utils_canonicalize_skip_until_specification(spec
, sample_rate
);
489 /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
490 if(spec
->is_relative
&& spec
->value
.samples
== 0) {
491 spec
->is_relative
= false;
495 /* in any other case the total samples in the input must be known */
496 if(total_samples_in_input
== 0) {
497 flac__utils_printf(stderr
, 1, "%s: ERROR, cannot use --until when FLAC metadata has total sample count of 0\n", inbasefilename
);
501 FLAC__ASSERT(spec
->value_is_samples
);
503 /* convert relative specifications to absolute */
504 if(spec
->is_relative
) {
505 if(spec
->value
.samples
<= 0)
506 spec
->value
.samples
+= (FLAC__int64
)total_samples_in_input
;
508 spec
->value
.samples
+= skip
;
509 spec
->is_relative
= false;
513 if(spec
->value
.samples
< 0) {
514 flac__utils_printf(stderr
, 1, "%s: ERROR, --until value is before beginning of input\n", inbasefilename
);
517 if((FLAC__uint64
)spec
->value
.samples
<= skip
) {
518 flac__utils_printf(stderr
, 1, "%s: ERROR, --until value is before --skip point\n", inbasefilename
);
521 if((FLAC__uint64
)spec
->value
.samples
> total_samples_in_input
) {
522 flac__utils_printf(stderr
, 1, "%s: ERROR, --until value is after end of input\n", inbasefilename
);
529 FLAC__bool
write_iff_headers(FILE *f
, DecoderSession
*decoder_session
, FLAC__uint64 samples
)
531 const FileFormat format
= decoder_session
->format
;
532 const char *fmt_desc
=
533 format
==FORMAT_WAVE
? "WAVE" :
534 format
==FORMAT_WAVE64
? "Wave64" :
535 format
==FORMAT_RF64
? "RF64" :
537 const FLAC__bool is_waveformatextensible
=
538 (format
== FORMAT_WAVE
|| format
== FORMAT_WAVE64
|| format
== FORMAT_RF64
) &&
540 decoder_session
->channel_mask
== 2 ||
541 decoder_session
->channel_mask
> 3 ||
542 decoder_session
->bps
%8 ||
543 decoder_session
->channels
> 2
545 const FLAC__uint64 data_size
= samples
* decoder_session
->channels
* ((decoder_session
->bps
+7)/8);
546 const FLAC__uint64 aligned_data_size
=
547 format
== FORMAT_WAVE64
?
548 (data_size
+7) & (~(FLAC__uint64
)7) :
549 (data_size
+1) & (~(FLAC__uint64
)1);
551 FLAC__uint64 iff_size
;
552 unsigned foreign_metadata_size
= 0; /* size of all non-audio non-fmt/COMM foreign metadata chunks */
553 foreign_metadata_t
*fm
= decoder_session
->foreign_metadata
;
557 format
== FORMAT_WAVE
||
558 format
== FORMAT_WAVE64
||
559 format
== FORMAT_RF64
||
560 format
== FORMAT_AIFF
||
561 format
== FORMAT_AIFF_C
566 flac__utils_printf(stderr
, 1, "%s: WARNING, don't have accurate sample count available for %s header.\n", decoder_session
->inbasefilename
, fmt_desc
);
567 flac__utils_printf(stderr
, 1, " Generated %s file will have a data chunk size of 0. Try\n", fmt_desc
);
568 flac__utils_printf(stderr
, 1, " decoding directly to a file instead.\n");
569 if(decoder_session
->treat_warnings_as_errors
)
573 decoder_session
->iff_headers_need_fixup
= true;
578 FLAC__ASSERT(fm
->format_block
);
579 FLAC__ASSERT(fm
->audio_block
);
580 FLAC__ASSERT(fm
->format_block
< fm
->audio_block
);
581 /* calc foreign metadata size; we always skip the first chunk, ds64 chunk, format chunk, and sound chunk since we write our own */
582 for(i
= format
==FORMAT_RF64
?2:1; i
< fm
->num_blocks
; i
++) {
583 if(i
!= fm
->format_block
&& i
!= fm
->audio_block
)
584 foreign_metadata_size
+= fm
->blocks
[i
].size
;
590 else if(format
== FORMAT_WAVE
|| format
== FORMAT_RF64
)
591 /* 4 for WAVE form bytes */
592 /* +{36,0} for ds64 chunk */
593 /* +8+{40,16} for fmt chunk header and body */
594 /* +8 for data chunk header */
595 iff_size
= 4 + (format
==FORMAT_RF64
?36:0) + 8+(is_waveformatextensible
?40:16) + 8 + foreign_metadata_size
+ aligned_data_size
;
596 else if(format
== FORMAT_WAVE64
)
597 /* 16+8 for RIFF GUID and size field */
598 /* +16 for WAVE GUID */
599 /* +16+8+{40,16} for fmt chunk header (GUID and size field) and body */
600 /* +16+8 for data chunk header (GUID and size field) */
601 iff_size
= 16+8 + 16 + 16+8+(is_waveformatextensible
?40:16) + 16+8 + foreign_metadata_size
+ aligned_data_size
;
603 iff_size
= 46 + foreign_metadata_size
+ aligned_data_size
;
605 if(format
!= FORMAT_WAVE64
&& format
!= FORMAT_RF64
&& iff_size
>= 0xFFFFFFF4) {
606 flac__utils_printf(stderr
, 1, "%s: ERROR: stream is too big to fit in a single %s file\n", decoder_session
->inbasefilename
, fmt_desc
);
610 if(format
== FORMAT_WAVE
|| format
== FORMAT_WAVE64
|| format
== FORMAT_RF64
) {
614 if(flac__utils_fwrite("RIFF", 1, 4, f
) != 4)
616 if(!write_little_endian_uint32(f
, (FLAC__uint32
)iff_size
)) /* filesize-8 */
618 if(flac__utils_fwrite("WAVE", 1, 4, f
) != 4)
622 /* RIFF GUID 66666972-912E-11CF-A5D6-28DB04C10000 */
623 if(flac__utils_fwrite("\x72\x69\x66\x66\x2E\x91\xCF\x11\xA5\xD6\x28\xDB\x04\xC1\x00\x00", 1, 16, f
) != 16)
625 if(!write_little_endian_uint64(f
, iff_size
))
627 /* WAVE GUID 65766177-ACF3-11D3-8CD1-00C04F8EDB8A */
628 if(flac__utils_fwrite("\x77\x61\x76\x65\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f
) != 16)
632 if(flac__utils_fwrite("RF64", 1, 4, f
) != 4)
634 if(!write_little_endian_uint32(f
, 0xffffffff))
636 if(flac__utils_fwrite("WAVE", 1, 4, f
) != 4)
643 /* ds64 chunk for RF64 */
644 if(format
== FORMAT_RF64
) {
645 if(flac__utils_fwrite("ds64", 1, 4, f
) != 4)
648 if(!write_little_endian_uint32(f
, 28)) /* chunk size */
651 if(!write_little_endian_uint64(f
, iff_size
))
654 if(!write_little_endian_uint64(f
, data_size
))
657 if(!write_little_endian_uint64(f
, samples
)) /*@@@@@@ correct? */
660 if(!write_little_endian_uint32(f
, 0)) /* table size */
664 decoder_session
->fm_offset1
= ftello(f
);
667 /* seek forward to {allocate} or {skip over already-written chunks} before "fmt " */
668 for(i
= format
==FORMAT_RF64
?2:1; i
< fm
->format_block
; i
++) {
669 if(fseeko(f
, fm
->blocks
[i
].size
, SEEK_CUR
) < 0) {
670 flac__utils_printf(stderr
, 1, "%s: ERROR: allocating/skipping foreign metadata before \"fmt \"\n", decoder_session
->inbasefilename
);
676 if(format
!= FORMAT_WAVE64
) {
677 if(flac__utils_fwrite("fmt ", 1, 4, f
) != 4)
679 if(!write_little_endian_uint32(f
, is_waveformatextensible
? 40 : 16)) /* chunk size */
683 /* fmt GUID 20746D66-ACF3-11D3-8CD1-00C04F8EDB8A */
684 if(flac__utils_fwrite("\x66\x6D\x74\x20\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f
) != 16)
686 /* chunk size (+16+8 for GUID and size fields) */
687 if(!write_little_endian_uint64(f
, 16+8+(is_waveformatextensible
?40:16)))
691 if(!write_riff_wave_fmt_chunk_body(f
, is_waveformatextensible
, decoder_session
->bps
, decoder_session
->channels
, decoder_session
->sample_rate
, decoder_session
->channel_mask
))
694 decoder_session
->fm_offset2
= ftello(f
);
697 /* seek forward to {allocate} or {skip over already-written chunks} after "fmt " but before "data" */
698 for(i
= fm
->format_block
+1; i
< fm
->audio_block
; i
++) {
699 if(fseeko(f
, fm
->blocks
[i
].size
, SEEK_CUR
) < 0) {
700 flac__utils_printf(stderr
, 1, "%s: ERROR: allocating/skipping foreign metadata after \"fmt \"\n", decoder_session
->inbasefilename
);
706 if(format
!= FORMAT_WAVE64
) {
707 if(flac__utils_fwrite("data", 1, 4, f
) != 4)
709 if(!write_little_endian_uint32(f
, format
==FORMAT_RF64
? 0xffffffff : (FLAC__uint32
)data_size
))
713 /* data GUID 61746164-ACF3-11D3-8CD1-00C04F8EDB8A */
714 if(flac__utils_fwrite("\x64\x61\x74\x61\xF3\xAC\xD3\x11\x8C\xD1\x00\xC0\x4F\x8E\xDB\x8A", 1, 16, f
) != 16)
716 /* +16+8 for GUID and size fields */
717 if(!write_little_endian_uint64(f
, 16+8 + data_size
))
721 decoder_session
->fm_offset3
= ftello(f
) + aligned_data_size
;
724 if(flac__utils_fwrite("FORM", 1, 4, f
) != 4)
727 if(!write_big_endian_uint32(f
, (FLAC__uint32
)iff_size
)) /* filesize-8 */
730 if(flac__utils_fwrite("AIFF", 1, 4, f
) != 4)
733 decoder_session
->fm_offset1
= ftello(f
);
736 /* seek forward to {allocate} or {skip over already-written chunks} before "COMM" */
737 for(i
= 1; i
< fm
->format_block
; i
++) {
738 if(fseeko(f
, fm
->blocks
[i
].size
, SEEK_CUR
) < 0) {
739 flac__utils_printf(stderr
, 1, "%s: ERROR: allocating/skipping foreign metadata before \"COMM\"\n", decoder_session
->inbasefilename
);
745 if(!write_aiff_form_comm_chunk(f
, samples
, decoder_session
->bps
, decoder_session
->channels
, decoder_session
->sample_rate
))
748 decoder_session
->fm_offset2
= ftello(f
);
751 /* seek forward to {allocate} or {skip over already-written chunks} after "COMM" but before "SSND" */
752 for(i
= fm
->format_block
+1; i
< fm
->audio_block
; i
++) {
753 if(fseeko(f
, fm
->blocks
[i
].size
, SEEK_CUR
) < 0) {
754 flac__utils_printf(stderr
, 1, "%s: ERROR: allocating/skipping foreign metadata after \"COMM\"\n", decoder_session
->inbasefilename
);
760 if(flac__utils_fwrite("SSND", 1, 4, f
) != 4)
763 if(!write_big_endian_uint32(f
, (FLAC__uint32
)data_size
+ 8)) /* data size */
766 if(!write_big_endian_uint32(f
, 0/*offset_size*/))
769 if(!write_big_endian_uint32(f
, 0/*block_size*/))
772 decoder_session
->fm_offset3
= ftello(f
) + aligned_data_size
;
778 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
)
780 if(!write_little_endian_uint16(f
, (FLAC__uint16
)(is_waveformatextensible
? 65534 : 1))) /* compression code */
783 if(!write_little_endian_uint16(f
, (FLAC__uint16
)channels
))
786 if(!write_little_endian_uint32(f
, sample_rate
))
789 if(!write_little_endian_uint32(f
, sample_rate
* channels
* ((bps
+7) / 8)))
792 if(!write_little_endian_uint16(f
, (FLAC__uint16
)(channels
* ((bps
+7) / 8)))) /* block align */
795 if(!write_little_endian_uint16(f
, (FLAC__uint16
)(((bps
+7)/8)*8))) /* bits per sample */
798 if(is_waveformatextensible
) {
799 if(!write_little_endian_uint16(f
, (FLAC__uint16
)22)) /* cbSize */
802 if(!write_little_endian_uint16(f
, (FLAC__uint16
)bps
)) /* validBitsPerSample */
805 if(!write_little_endian_uint32(f
, channel_mask
))
808 /* GUID = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}} */
809 if(flac__utils_fwrite("\x01\x00\x00\x00\x00\x00\x10\x00\x80\x00\x00\xaa\x00\x38\x9b\x71", 1, 16, f
) != 16)
816 FLAC__bool
write_aiff_form_comm_chunk(FILE *f
, FLAC__uint64 samples
, unsigned bps
, unsigned channels
, unsigned sample_rate
)
818 FLAC__ASSERT(samples
<= 0xffffffff);
820 if(flac__utils_fwrite("COMM", 1, 4, f
) != 4)
823 if(!write_big_endian_uint32(f
, 18)) /* chunk size = 18 */
826 if(!write_big_endian_uint16(f
, (FLAC__uint16
)channels
))
829 if(!write_big_endian_uint32(f
, (FLAC__uint32
)samples
))
832 if(!write_big_endian_uint16(f
, (FLAC__uint16
)bps
))
835 if(!write_sane_extended(f
, sample_rate
))
841 FLAC__bool
write_little_endian_uint16(FILE *f
, FLAC__uint16 val
)
843 FLAC__byte
*b
= (FLAC__byte
*)(&val
);
844 if(is_big_endian_host_
) {
846 tmp
= b
[1]; b
[1] = b
[0]; b
[0] = tmp
;
848 return flac__utils_fwrite(b
, 1, 2, f
) == 2;
851 FLAC__bool
write_little_endian_uint32(FILE *f
, FLAC__uint32 val
)
853 FLAC__byte
*b
= (FLAC__byte
*)(&val
);
854 if(is_big_endian_host_
) {
856 tmp
= b
[3]; b
[3] = b
[0]; b
[0] = tmp
;
857 tmp
= b
[2]; b
[2] = b
[1]; b
[1] = tmp
;
859 return flac__utils_fwrite(b
, 1, 4, f
) == 4;
862 FLAC__bool
write_little_endian_uint64(FILE *f
, FLAC__uint64 val
)
864 FLAC__byte
*b
= (FLAC__byte
*)(&val
);
865 if(is_big_endian_host_
) {
867 tmp
= b
[7]; b
[7] = b
[0]; b
[0] = tmp
;
868 tmp
= b
[6]; b
[6] = b
[1]; b
[1] = tmp
;
869 tmp
= b
[5]; b
[5] = b
[2]; b
[2] = tmp
;
870 tmp
= b
[4]; b
[4] = b
[3]; b
[3] = tmp
;
872 return flac__utils_fwrite(b
, 1, 8, f
) == 8;
875 FLAC__bool
write_big_endian_uint16(FILE *f
, FLAC__uint16 val
)
877 FLAC__byte
*b
= (FLAC__byte
*)(&val
);
878 if(!is_big_endian_host_
) {
880 tmp
= b
[1]; b
[1] = b
[0]; b
[0] = tmp
;
882 return flac__utils_fwrite(b
, 1, 2, f
) == 2;
885 FLAC__bool
write_big_endian_uint32(FILE *f
, FLAC__uint32 val
)
887 FLAC__byte
*b
= (FLAC__byte
*)(&val
);
888 if(!is_big_endian_host_
) {
890 tmp
= b
[3]; b
[3] = b
[0]; b
[0] = tmp
;
891 tmp
= b
[2]; b
[2] = b
[1]; b
[1] = tmp
;
893 return flac__utils_fwrite(b
, 1, 4, f
) == 4;
896 FLAC__bool
write_sane_extended(FILE *f
, unsigned val
)
897 /* Write to 'f' a SANE extended representation of 'val'. Return false if
898 * the write succeeds; return true otherwise.
900 * SANE extended is an 80-bit IEEE-754 representation with sign bit, 15 bits
901 * of exponent, and 64 bits of significand (mantissa). Unlike most IEEE-754
902 * representations, it does not imply a 1 above the MSB of the significand.
908 unsigned int shift
, exponent
;
910 FLAC__ASSERT(val
!=0U); /* handling 0 would require a special case */
912 for(shift
= 0U; (val
>>(31-shift
))==0U; ++shift
)
915 exponent
= 63U-(shift
+32U); /* add 32 for unused second word */
917 if(!write_big_endian_uint16(f
, (FLAC__uint16
)(exponent
+0x3FFF)))
919 if(!write_big_endian_uint32(f
, val
))
921 if(!write_big_endian_uint32(f
, 0)) /* unused second word */
927 FLAC__bool
fixup_iff_headers(DecoderSession
*d
)
929 const char *fmt_desc
=
930 d
->format
==FORMAT_WAVE
? "WAVE" :
931 d
->format
==FORMAT_WAVE64
? "Wave64" :
932 d
->format
==FORMAT_RF64
? "RF64" :
934 FILE *f
= flac_fopen(d
->outfilename
, "r+b"); /* stream is positioned at beginning of file */
937 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
));
941 if(!write_iff_headers(f
, d
, d
->samples_processed
)) {
950 FLAC__StreamDecoderWriteStatus
write_callback(const FLAC__StreamDecoder
*decoder
, const FLAC__Frame
*frame
, const FLAC__int32
* const buffer
[], void *client_data
)
952 DecoderSession
*decoder_session
= (DecoderSession
*)client_data
;
953 FILE *fout
= decoder_session
->fout
;
954 const unsigned bps
= frame
->header
.bits_per_sample
, channels
= frame
->header
.channels
;
955 const unsigned shift
= (decoder_session
->format
!= FORMAT_RAW
&& (bps
%8))? 8-(bps
%8): 0;
956 FLAC__bool is_big_endian
= (
957 decoder_session
->format
== FORMAT_AIFF
|| decoder_session
->format
== FORMAT_AIFF_C
? true : (
958 decoder_session
->format
== FORMAT_WAVE
|| decoder_session
->format
== FORMAT_WAVE64
|| decoder_session
->format
== FORMAT_RF64
? false :
959 decoder_session
->is_big_endian
961 FLAC__bool is_unsigned_samples
= (
962 decoder_session
->format
== FORMAT_AIFF
|| decoder_session
->format
== FORMAT_AIFF_C
? false : (
963 decoder_session
->format
== FORMAT_WAVE
|| decoder_session
->format
== FORMAT_WAVE64
|| decoder_session
->format
== FORMAT_RF64
? bps
<=8 :
964 decoder_session
->is_unsigned_samples
966 unsigned wide_samples
= frame
->header
.blocksize
, wide_sample
, sample
, channel
;
967 unsigned frame_bytes
= 0;
968 static FLAC__int8 s8buffer
[FLAC__MAX_BLOCK_SIZE
* FLAC__MAX_CHANNELS
* sizeof(FLAC__int32
)]; /* WATCHOUT: can be up to 2 megs */
969 FLAC__uint8
*u8buffer
= (FLAC__uint8
*)s8buffer
;
970 FLAC__int16
*s16buffer
= (FLAC__int16
*)s8buffer
;
971 FLAC__uint16
*u16buffer
= (FLAC__uint16
*)s8buffer
;
972 FLAC__int32
*s32buffer
= (FLAC__int32
*)s8buffer
;
973 FLAC__uint32
*u32buffer
= (FLAC__uint32
*)s8buffer
;
974 size_t bytes_to_write
= 0;
978 if(decoder_session
->abort_flag
)
979 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
981 /* sanity-check the bits-per-sample */
982 if(decoder_session
->bps
) {
983 if(bps
!= decoder_session
->bps
) {
984 if(decoder_session
->got_stream_info
)
985 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
);
987 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
);
988 if(!decoder_session
->continue_through_decode_errors
)
989 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
993 /* must not have gotten STREAMINFO, save the bps from the frame header */
994 FLAC__ASSERT(!decoder_session
->got_stream_info
);
995 decoder_session
->bps
= bps
;
998 /* sanity-check the #channels */
999 if(decoder_session
->channels
) {
1000 if(channels
!= decoder_session
->channels
) {
1001 if(decoder_session
->got_stream_info
)
1002 flac__utils_printf(stderr
, 1, "%s: ERROR, channels is %u in frame but %u in STREAMINFO\n", decoder_session
->inbasefilename
, channels
, decoder_session
->channels
);
1004 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
);
1005 if(!decoder_session
->continue_through_decode_errors
)
1006 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
1010 /* must not have gotten STREAMINFO, save the #channels from the frame header */
1011 FLAC__ASSERT(!decoder_session
->got_stream_info
);
1012 decoder_session
->channels
= channels
;
1015 /* sanity-check the sample rate */
1016 if(decoder_session
->sample_rate
) {
1017 if(frame
->header
.sample_rate
!= decoder_session
->sample_rate
) {
1018 if(decoder_session
->got_stream_info
)
1019 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
);
1021 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
);
1022 if(!decoder_session
->continue_through_decode_errors
)
1023 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
1027 /* must not have gotten STREAMINFO, save the sample rate from the frame header */
1028 FLAC__ASSERT(!decoder_session
->got_stream_info
);
1029 decoder_session
->sample_rate
= frame
->header
.sample_rate
;
1033 * limit the number of samples to accept based on --until
1035 FLAC__ASSERT(!decoder_session
->skip_specification
->is_relative
);
1036 /* if we never got the total_samples from the metadata, the skip and until specs would never have been canonicalized, so protect against that: */
1037 if(decoder_session
->skip_specification
->is_relative
) {
1038 if(decoder_session
->skip_specification
->value
.samples
== 0) /* special case for when no --skip was given */
1039 decoder_session
->skip_specification
->is_relative
= false; /* convert to our meaning of beginning-of-stream */
1041 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
);
1042 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
1045 if(decoder_session
->until_specification
->is_relative
) {
1046 if(decoder_session
->until_specification
->value
.samples
== 0) /* special case for when no --until was given */
1047 decoder_session
->until_specification
->is_relative
= false; /* convert to our meaning of end-of-stream */
1049 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
);
1050 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
1053 FLAC__ASSERT(decoder_session
->skip_specification
->value
.samples
>= 0);
1054 FLAC__ASSERT(decoder_session
->until_specification
->value
.samples
>= 0);
1055 if(decoder_session
->until_specification
->value
.samples
> 0) {
1056 const FLAC__uint64 skip
= (FLAC__uint64
)decoder_session
->skip_specification
->value
.samples
;
1057 const FLAC__uint64 until
= (FLAC__uint64
)decoder_session
->until_specification
->value
.samples
;
1058 const FLAC__uint64 input_samples_passed
= skip
+ decoder_session
->samples_processed
;
1059 FLAC__ASSERT(until
>= input_samples_passed
);
1060 if(input_samples_passed
+ wide_samples
> until
)
1061 wide_samples
= (unsigned)(until
- input_samples_passed
);
1062 if (wide_samples
== 0) {
1063 decoder_session
->abort_flag
= true;
1064 decoder_session
->aborting_due_to_until
= true;
1065 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
1069 if(decoder_session
->analysis_mode
) {
1071 FLAC__stream_decoder_get_decode_position(decoder_session
->decoder
, &dpos
);
1072 frame_bytes
= (unsigned)(dpos
-decoder_session
->decode_position
);
1073 decoder_session
->decode_position
= dpos
;
1076 if(wide_samples
> 0) {
1077 decoder_session
->samples_processed
+= wide_samples
;
1078 decoder_session
->frame_counter
++;
1080 if(!(decoder_session
->frame_counter
& 0x3f))
1081 print_stats(decoder_session
);
1083 if(decoder_session
->analysis_mode
) {
1084 flac__analyze_frame(frame
, decoder_session
->frame_counter
-1, decoder_session
->decode_position
-frame_bytes
, frame_bytes
, decoder_session
->aopts
, fout
);
1086 else if(!decoder_session
->test_only
) {
1087 if(shift
&& !decoder_session
->replaygain
.apply
) {
1088 for(wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1089 for(channel
= 0; channel
< channels
; channel
++)
1090 ((FLAC__int32
**)buffer
)[channel
][wide_sample
] <<= shift
;/*@@@@@@un-const'ing the buffer is hacky but safe*/
1092 if(decoder_session
->replaygain
.apply
) {
1093 bytes_to_write
= FLAC__replaygain_synthesis__apply_gain(
1096 is_unsigned_samples
,
1100 bps
, /* source_bps */
1101 bps
+shift
, /* target_bps */
1102 decoder_session
->replaygain
.scale
,
1103 decoder_session
->replaygain
.spec
.limiter
== RGSS_LIMIT__HARD
, /* hard_limit */
1104 decoder_session
->replaygain
.spec
.noise_shaping
!= NOISE_SHAPING_NONE
, /* do_dithering */
1105 &decoder_session
->replaygain
.dither_context
1108 /* first some special code for common cases */
1109 else if(is_big_endian
== is_big_endian_host_
&& !is_unsigned_samples
&& channels
== 2 && bps
+shift
== 16) {
1110 FLAC__int16
*buf1_
= s16buffer
+ 1;
1112 memcpy(s16buffer
, ((FLAC__byte
*)(buffer
[0]))+2, sizeof(FLAC__int32
) * wide_samples
- 2);
1114 memcpy(s16buffer
, buffer
[0], sizeof(FLAC__int32
) * wide_samples
);
1115 for(sample
= 0; sample
< wide_samples
; sample
++, buf1_
+=2)
1116 *buf1_
= (FLAC__int16
)buffer
[1][sample
];
1117 bytes_to_write
= 4 * sample
;
1119 else if(is_big_endian
== is_big_endian_host_
&& !is_unsigned_samples
&& channels
== 1 && bps
+shift
== 16) {
1120 FLAC__int16
*buf1_
= s16buffer
;
1121 for(sample
= 0; sample
< wide_samples
; sample
++)
1122 *buf1_
++ = (FLAC__int16
)buffer
[0][sample
];
1123 bytes_to_write
= 2 * sample
;
1125 /* generic code for the rest */
1126 else if(bps
+shift
== 16) {
1127 if(is_unsigned_samples
) {
1129 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++) {
1130 u16buffer
[sample
++] = (FLAC__uint16
)(buffer
[0][wide_sample
] + 0x8000);
1131 u16buffer
[sample
++] = (FLAC__uint16
)(buffer
[1][wide_sample
] + 0x8000);
1134 else if(channels
== 1) {
1135 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1136 u16buffer
[sample
++] = (FLAC__uint16
)(buffer
[0][wide_sample
] + 0x8000);
1138 else { /* works for any 'channels' but above flavors are faster for 1 and 2 */
1139 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1140 for(channel
= 0; channel
< channels
; channel
++, sample
++)
1141 u16buffer
[sample
] = (FLAC__uint16
)(buffer
[channel
][wide_sample
] + 0x8000);
1146 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++) {
1147 s16buffer
[sample
++] = (FLAC__int16
)(buffer
[0][wide_sample
]);
1148 s16buffer
[sample
++] = (FLAC__int16
)(buffer
[1][wide_sample
]);
1151 else if(channels
== 1) {
1152 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1153 s16buffer
[sample
++] = (FLAC__int16
)(buffer
[0][wide_sample
]);
1155 else { /* works for any 'channels' but above flavors are faster for 1 and 2 */
1156 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1157 for(channel
= 0; channel
< channels
; channel
++, sample
++)
1158 s16buffer
[sample
] = (FLAC__int16
)(buffer
[channel
][wide_sample
]);
1161 if(is_big_endian
!= is_big_endian_host_
) {
1163 const unsigned bytes
= sample
* 2;
1165 for(b
= 0; b
< bytes
; b
+= 2) {
1167 u8buffer
[b
] = u8buffer
[b
+1];
1168 u8buffer
[b
+1] = tmp
;
1171 bytes_to_write
= 2 * sample
;
1173 else if(bps
+shift
== 24) {
1174 if(is_unsigned_samples
) {
1175 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1176 for(channel
= 0; channel
< channels
; channel
++, sample
++)
1177 u32buffer
[sample
] = buffer
[channel
][wide_sample
] + 0x800000;
1180 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1181 for(channel
= 0; channel
< channels
; channel
++, sample
++)
1182 s32buffer
[sample
] = buffer
[channel
][wide_sample
];
1184 if(is_big_endian
!= is_big_endian_host_
) {
1186 const unsigned bytes
= sample
* 4;
1188 for(b
= 0; b
< bytes
; b
+= 4) {
1190 u8buffer
[b
] = u8buffer
[b
+3];
1191 u8buffer
[b
+3] = tmp
;
1192 tmp
= u8buffer
[b
+1];
1193 u8buffer
[b
+1] = u8buffer
[b
+2];
1194 u8buffer
[b
+2] = tmp
;
1199 const unsigned bytes
= sample
* 4;
1200 for(lbyte
= b
= 0; b
< bytes
; ) {
1202 u8buffer
[lbyte
++] = u8buffer
[b
++];
1203 u8buffer
[lbyte
++] = u8buffer
[b
++];
1204 u8buffer
[lbyte
++] = u8buffer
[b
++];
1209 const unsigned bytes
= sample
* 4;
1210 for(lbyte
= b
= 0; b
< bytes
; ) {
1211 u8buffer
[lbyte
++] = u8buffer
[b
++];
1212 u8buffer
[lbyte
++] = u8buffer
[b
++];
1213 u8buffer
[lbyte
++] = u8buffer
[b
++];
1217 bytes_to_write
= 3 * sample
;
1219 else if(bps
+shift
== 8) {
1220 if(is_unsigned_samples
) {
1221 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1222 for(channel
= 0; channel
< channels
; channel
++, sample
++)
1223 u8buffer
[sample
] = (FLAC__uint8
)(buffer
[channel
][wide_sample
] + 0x80);
1226 for(sample
= wide_sample
= 0; wide_sample
< wide_samples
; wide_sample
++)
1227 for(channel
= 0; channel
< channels
; channel
++, sample
++)
1228 s8buffer
[sample
] = (FLAC__int8
)(buffer
[channel
][wide_sample
]);
1230 bytes_to_write
= sample
;
1234 /* double protection */
1235 decoder_session
->abort_flag
= true;
1236 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
1240 if(bytes_to_write
> 0) {
1241 if(flac__utils_fwrite(u8buffer
, 1, bytes_to_write
, fout
) != bytes_to_write
) {
1242 /* if a pipe closed when writing to stdout, we let it go without an error message */
1243 if(errno
== EPIPE
&& decoder_session
->fout
== stdout
)
1244 decoder_session
->aborting_due_to_until
= true;
1245 decoder_session
->abort_flag
= true;
1246 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT
;
1249 return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE
;
1252 void metadata_callback(const FLAC__StreamDecoder
*decoder
, const FLAC__StreamMetadata
*metadata
, void *client_data
)
1254 DecoderSession
*decoder_session
= (DecoderSession
*)client_data
;
1256 if(decoder_session
->analysis_mode
)
1257 FLAC__stream_decoder_get_decode_position(decoder
, &decoder_session
->decode_position
);
1259 if(metadata
->type
== FLAC__METADATA_TYPE_STREAMINFO
) {
1260 FLAC__uint64 skip
, until
;
1261 decoder_session
->got_stream_info
= true;
1262 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);
1263 decoder_session
->bps
= metadata
->data
.stream_info
.bits_per_sample
;
1264 decoder_session
->channels
= metadata
->data
.stream_info
.channels
;
1265 decoder_session
->sample_rate
= metadata
->data
.stream_info
.sample_rate
;
1267 flac__utils_canonicalize_skip_until_specification(decoder_session
->skip_specification
, decoder_session
->sample_rate
);
1268 FLAC__ASSERT(decoder_session
->skip_specification
->value
.samples
>= 0);
1269 skip
= (FLAC__uint64
)decoder_session
->skip_specification
->value
.samples
;
1271 /* remember, metadata->data.stream_info.total_samples can be 0, meaning 'unknown' */
1272 if(metadata
->data
.stream_info
.total_samples
> 0 && skip
>= metadata
->data
.stream_info
.total_samples
) {
1273 flac__utils_printf(stderr
, 1, "%s: ERROR trying to --skip more samples than in stream\n", decoder_session
->inbasefilename
);
1274 decoder_session
->abort_flag
= true;
1277 else if(metadata
->data
.stream_info
.total_samples
== 0 && skip
> 0) {
1278 flac__utils_printf(stderr
, 1, "%s: ERROR, can't --skip when FLAC metadata has total sample count of 0\n", decoder_session
->inbasefilename
);
1279 decoder_session
->abort_flag
= true;
1282 FLAC__ASSERT(skip
== 0 || 0 == decoder_session
->cue_specification
);
1283 decoder_session
->total_samples
= metadata
->data
.stream_info
.total_samples
- skip
;
1285 /* note that we use metadata->data.stream_info.total_samples instead of decoder_session->total_samples */
1286 if(!canonicalize_until_specification(decoder_session
->until_specification
, decoder_session
->inbasefilename
, decoder_session
->sample_rate
, skip
, metadata
->data
.stream_info
.total_samples
)) {
1287 decoder_session
->abort_flag
= true;
1290 FLAC__ASSERT(decoder_session
->until_specification
->value
.samples
>= 0);
1291 until
= (FLAC__uint64
)decoder_session
->until_specification
->value
.samples
;
1294 FLAC__ASSERT(decoder_session
->total_samples
!= 0);
1295 FLAC__ASSERT(0 == decoder_session
->cue_specification
);
1296 decoder_session
->total_samples
-= (metadata
->data
.stream_info
.total_samples
- until
);
1299 if(decoder_session
->bps
< 4 || decoder_session
->bps
> 24) {
1300 flac__utils_printf(stderr
, 1, "%s: ERROR: bits per sample is %u, must be 4-24\n", decoder_session
->inbasefilename
, decoder_session
->bps
);
1301 decoder_session
->abort_flag
= true;
1305 else if(metadata
->type
== FLAC__METADATA_TYPE_CUESHEET
) {
1306 /* remember, at this point, decoder_session->total_samples can be 0, meaning 'unknown' */
1307 if(decoder_session
->total_samples
== 0) {
1308 flac__utils_printf(stderr
, 1, "%s: ERROR can't use --cue when FLAC metadata has total sample count of 0\n", decoder_session
->inbasefilename
);
1309 decoder_session
->abort_flag
= true;
1313 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
);
1315 FLAC__ASSERT(!decoder_session
->skip_specification
->is_relative
);
1316 FLAC__ASSERT(decoder_session
->skip_specification
->value_is_samples
);
1318 FLAC__ASSERT(!decoder_session
->until_specification
->is_relative
);
1319 FLAC__ASSERT(decoder_session
->until_specification
->value_is_samples
);
1321 FLAC__ASSERT(decoder_session
->skip_specification
->value
.samples
>= 0);
1322 FLAC__ASSERT(decoder_session
->until_specification
->value
.samples
>= 0);
1323 FLAC__ASSERT((FLAC__uint64
)decoder_session
->until_specification
->value
.samples
<= decoder_session
->total_samples
);
1324 FLAC__ASSERT(decoder_session
->skip_specification
->value
.samples
<= decoder_session
->until_specification
->value
.samples
);
1326 decoder_session
->total_samples
= decoder_session
->until_specification
->value
.samples
- decoder_session
->skip_specification
->value
.samples
;
1328 else if(metadata
->type
== FLAC__METADATA_TYPE_VORBIS_COMMENT
) {
1329 if (decoder_session
->replaygain
.spec
.apply
) {
1330 double reference
, gain
, peak
;
1331 if (!(decoder_session
->replaygain
.apply
= grabbag__replaygain_load_from_vorbiscomment(metadata
, decoder_session
->replaygain
.spec
.use_album_gain
, /*strict=*/false, &reference
, &gain
, &peak
))) {
1332 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");
1333 if(decoder_session
->treat_warnings_as_errors
) {
1334 decoder_session
->abort_flag
= true;
1339 const char *ls
[] = { "no", "peak", "hard" };
1340 const char *ns
[] = { "no", "low", "medium", "high" };
1341 decoder_session
->replaygain
.scale
= grabbag__replaygain_compute_scale_factor(peak
, gain
, decoder_session
->replaygain
.spec
.preamp
, decoder_session
->replaygain
.spec
.limiter
== RGSS_LIMIT__PEAK
);
1342 FLAC__ASSERT(decoder_session
->bps
> 0 && decoder_session
->bps
<= 32);
1343 FLAC__replaygain_synthesis__init_dither_context(&decoder_session
->replaygain
.dither_context
, decoder_session
->bps
, decoder_session
->replaygain
.spec
.noise_shaping
);
1344 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
]);
1345 flac__utils_printf(stderr
, 1, "%s: WARNING: applying ReplayGain is not lossless\n", decoder_session
->inbasefilename
);
1346 /* don't check if(decoder_session->treat_warnings_as_errors) because the user explicitly asked for it */
1349 (void)flac__utils_get_channel_mask_tag(metadata
, &decoder_session
->channel_mask
);
1353 void error_callback(const FLAC__StreamDecoder
*decoder
, FLAC__StreamDecoderErrorStatus status
, void *client_data
)
1355 DecoderSession
*decoder_session
= (DecoderSession
*)client_data
;
1357 if(!decoder_session
->error_callback_suppress_messages
)
1358 stats_print_name(1, decoder_session
->inbasefilename
);
1359 flac__utils_printf(stderr
, 1, "*** Got error code %d:%s\n", status
, FLAC__StreamDecoderErrorStatusString
[status
]);
1360 if(!decoder_session
->continue_through_decode_errors
) {
1361 /* if we got a sync error while looking for metadata, either it's not a FLAC file (more likely) or the file is corrupted */
1363 !decoder_session
->error_callback_suppress_messages
&&
1364 status
== FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC
&&
1365 FLAC__stream_decoder_get_state(decoder
) == FLAC__STREAM_DECODER_SEARCH_FOR_METADATA
1367 flac__utils_printf(stderr
, 1,
1369 "The input file is either not a FLAC file or is corrupted. If you are\n"
1370 "convinced it is a FLAC file, you can rerun the same command and add the\n"
1371 "-F parameter to try and recover as much as possible from the file.\n"
1373 decoder_session
->error_callback_suppress_messages
= true;
1375 else if(status
== FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM
)
1376 decoder_session
->aborting_due_to_unparseable
= true;
1377 decoder_session
->abort_flag
= true;
1381 void print_error_with_init_status(const DecoderSession
*d
, const char *message
, FLAC__StreamDecoderInitStatus init_status
)
1383 const int ilen
= strlen(d
->inbasefilename
) + 1;
1385 flac__utils_printf(stderr
, 1, "\n%s: %s\n", d
->inbasefilename
, message
);
1387 flac__utils_printf(stderr
, 1, "%*s init status = %s\n", ilen
, "", FLAC__StreamDecoderInitStatusString
[init_status
]);
1389 /* print out some more info for some errors: */
1390 if (init_status
== FLAC__STREAM_DECODER_INIT_STATUS_ERROR_OPENING_FILE
) {
1391 flac__utils_printf(stderr
, 1,
1393 "An error occurred opening the input file; it is likely that it does not exist\n"
1394 "or is not readable.\n"
1399 void print_error_with_state(const DecoderSession
*d
, const char *message
)
1401 const int ilen
= strlen(d
->inbasefilename
) + 1;
1403 flac__utils_printf(stderr
, 1, "\n%s: %s\n", d
->inbasefilename
, message
);
1404 flac__utils_printf(stderr
, 1, "%*s state = %s\n", ilen
, "", FLAC__stream_decoder_get_resolved_state_string(d
->decoder
));
1406 /* print out some more info for some errors: */
1407 if (d
->aborting_due_to_unparseable
) {
1408 flac__utils_printf(stderr
, 1,
1410 "The FLAC stream may have been created by a more advanced encoder. Try\n"
1411 " metaflac --show-vendor-tag %s\n"
1412 "If the version number is greater than %s, this decoder is probably\n"
1413 "not able to decode the file. If the version number is not, the file\n"
1414 "may be corrupted, or you may have found a bug. In this case please\n"
1415 "submit a bug report to\n"
1416 " http://sourceforge.net/bugs/?func=addbug&group_id=13478\n"
1417 "Make sure to use the \"Monitor\" feature to monitor the bug status.\n",
1418 d
->inbasefilename
, FLAC__VERSION_STRING
1423 void print_stats(const DecoderSession
*decoder_session
)
1425 if(flac__utils_verbosity_
>= 2) {
1426 #if defined _MSC_VER || defined __MINGW32__
1427 /* with MSVC you have to spoon feed it the casting */
1428 const double progress
= (double)(FLAC__int64
)decoder_session
->samples_processed
/ (double)(FLAC__int64
)decoder_session
->total_samples
* 100.0;
1430 const double progress
= (double)decoder_session
->samples_processed
/ (double)decoder_session
->total_samples
* 100.0;
1433 if(decoder_session
->total_samples
> 0) {
1434 if ((unsigned)floor(progress
+ 0.5) == 100)
1437 stats_print_name(2, decoder_session
->inbasefilename
);
1438 stats_print_info(2, "%s%u%% complete",
1439 decoder_session
->test_only
? "testing, " : decoder_session
->analysis_mode
? "analyzing, " : "",
1440 (unsigned)floor(progress
+ 0.5)
1444 stats_print_name(2, decoder_session
->inbasefilename
);
1445 stats_print_info(2, "%s %" PRIu64
" samples",
1446 decoder_session
->test_only
? "tested" : decoder_session
->analysis_mode
? "analyzed" : "wrote",
1447 decoder_session
->samples_processed