2 * Copyright (C) 2013 nu774
3 * For conditions of distribution and use, see copyright notice in COPYING
25 #include "wav_reader.h"
31 #define PROGNAME "fdkaac"
34 int read_callback(void *cookie
, void *data
, uint32_t size
)
36 return fread(data
, 1, size
, (FILE*)cookie
);
40 int write_callback(void *cookie
, const void *data
, uint32_t size
)
42 return fwrite(data
, 1, size
, (FILE*)cookie
);
46 int seek_callback(void *cookie
, int64_t off
, int whence
)
48 return fseeko((FILE*)cookie
, off
, whence
);
52 int64_t tell_callback(void *cookie
)
54 return ftello((FILE*)cookie
);
62 "Usage: " PROGNAME
" [options] input_file\n"
64 " -h, --help Print this help message\n"
65 " -p, --profile <n> Profile (audio object type)\n"
66 " 2: MPEG-4 AAC LC (default)\n"
67 " 5: MPEG-4 HE-AAC (SBR)\n"
68 " 29: MPEG-4 HE-AAC v2 (SBR+PS)\n"
69 " 23: MPEG-4 AAC LD\n"
70 " 39: MPEG-4 AAC ELD\n"
71 " 129: MPEG-2 AAC LC\n"
72 " 132: MPEG-2 HE-AAC (SBR)\n"
73 " 156: MPEG-2 HE-AAC v2 (SBR+PS)\n"
74 " -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n"
75 " -m, --bitrate-mode <n> Bitrate configuration\n"
78 " (VBR mode is not officially supported, and\n"
79 " works only on a certain combination of\n"
80 " parameter settings, sample rate, and\n"
81 " channel configuration)\n"
82 " -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n"
83 " -a, --afterurner <n> Afterburner\n"
86 " -L, --lowdelay-sbr Enable ELD-SBR (AAC ELD only)\n"
87 " -s, --sbr-signaling <n> SBR signaling mode\n"
88 " 0: Implicit, backward compatible(default)\n"
89 " 1: Explicit SBR and implicit PS\n"
90 " 2: Explicit hierarchical signaling\n"
91 " -f, --transport-format <n> Transport format\n"
92 " 0: RAW (default, muxed into M4A)\n"
97 " 10: LOAS/LATM (LATM within LOAS)\n"
98 " -c, --adts-crc-check Add CRC protection on ADTS header\n"
99 " -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n"
102 " -o <filename> Output filename\n"
103 " --ignore-length Ignore length of WAV header\n"
106 " --title <string>\n"
107 " --artist <string>\n"
108 " --album <string>\n"
109 " --genre <string>\n"
111 " --composer <string>\n"
112 " --grouping <string>\n"
113 " --comment <string>\n"
114 " --album-artist <string>\n"
115 " --track <number[/total]>\n"
116 " --disk <number[/total]>\n"
121 typedef struct aacenc_tag_entry_t
{
124 } aacenc_tag_entry_t
;
126 typedef struct aacenc_param_ex_t
{
129 char *input_filename
;
130 char *output_filename
;
131 unsigned ignore_length
;
133 aacenc_tag_entry_t
*tag_table
;
135 unsigned tag_table_capacity
;
139 int parse_options(int argc
, char **argv
, aacenc_param_ex_t
*params
)
143 aacenc_tag_entry_t
*tag
;
145 static struct option long_options
[] = {
146 { "help", no_argument
, 0, 'h' },
147 { "profile", required_argument
, 0, 'p' },
148 { "bitrate", required_argument
, 0, 'b' },
149 { "biterate-mode", required_argument
, 0, 'm' },
150 { "bandwidth", required_argument
, 0, 'w' },
151 { "afterburner", required_argument
, 0, 'a' },
152 { "lowdelay-sbr", no_argument
, 0, 'L' },
153 { "sbr-signaling", required_argument
, 0, 's' },
154 { "transport-format", required_argument
, 0, 'f' },
155 { "adts-crc-check", no_argument
, 0, 'c' },
156 { "header-period", required_argument
, 0, 'P' },
158 { "ignore-length", no_argument
, 0, 'I' },
160 { "title", required_argument
, 0, M4AF_TAG_TITLE
},
161 { "artist", required_argument
, 0, M4AF_TAG_ARTIST
},
162 { "album", required_argument
, 0, M4AF_TAG_ALBUM
},
163 { "genre", required_argument
, 0, M4AF_TAG_GENRE
},
164 { "date", required_argument
, 0, M4AF_TAG_DATE
},
165 { "composer", required_argument
, 0, M4AF_TAG_COMPOSER
},
166 { "grouping", required_argument
, 0, M4AF_TAG_GROUPING
},
167 { "comment", required_argument
, 0, M4AF_TAG_COMMENT
},
168 { "album-artist", required_argument
, 0, M4AF_TAG_ALBUM_ARTIST
},
169 { "track", required_argument
, 0, M4AF_TAG_TRACK
},
170 { "disk", required_argument
, 0, M4AF_TAG_DISK
},
171 { "tempo", required_argument
, 0, M4AF_TAG_TEMPO
},
173 params
->afterburner
= 1;
175 aacenc_getmainargs(&argc
, &argv
);
176 while ((ch
= getopt_long(argc
, argv
, "hp:b:m:w:a:Ls:f:cP:Io:",
177 long_options
, 0)) != EOF
) {
182 if (sscanf(optarg
, "%u", &n
) != 1) {
183 fprintf(stderr
, "invalid arg for profile\n");
189 if (sscanf(optarg
, "%u", &n
) != 1) {
190 fprintf(stderr
, "invalid arg for bitrate\n");
196 if (sscanf(optarg
, "%u", &n
) != 1 || n
> 5) {
197 fprintf(stderr
, "invalid arg for bitrate-mode\n");
200 params
->bitrate_mode
= n
;
203 if (sscanf(optarg
, "%u", &n
) != 1) {
204 fprintf(stderr
, "invalid arg for bandwidth\n");
207 params
->bandwidth
= n
;
210 if (sscanf(optarg
, "%u", &n
) != 1 || n
> 1) {
211 fprintf(stderr
, "invalid arg for afterburner\n");
214 params
->afterburner
= n
;
217 params
->lowdelay_sbr
= 1;
220 if (sscanf(optarg
, "%u", &n
) != 1 || n
> 2) {
221 fprintf(stderr
, "invalid arg for sbr-signaling\n");
224 params
->sbr_signaling
= n
;
227 if (sscanf(optarg
, "%u", &n
) != 1) {
228 fprintf(stderr
, "invalid arg for transport-format\n");
231 params
->transport_format
= n
;
234 params
->adts_crc_check
= 1;
237 if (sscanf(optarg
, "%u", &n
) != 1) {
238 fprintf(stderr
, "invalid arg for header-period\n");
241 params
->header_period
= n
;
244 params
->output_filename
= optarg
;
247 params
->ignore_length
= 1;
250 case M4AF_TAG_ARTIST
:
254 case M4AF_TAG_COMPOSER
:
255 case M4AF_TAG_GROUPING
:
256 case M4AF_TAG_COMMENT
:
257 case M4AF_TAG_ALBUM_ARTIST
:
261 if (params
->tag_count
== params
->tag_table_capacity
) {
262 unsigned newsize
= params
->tag_table_capacity
;
263 newsize
= newsize
? newsize
* 2 : 1;
265 realloc(params
->tag_table
,
266 newsize
* sizeof(aacenc_tag_entry_t
));
267 params
->tag_table_capacity
= newsize
;
269 tag
= params
->tag_table
+ params
->tag_count
;
280 if (!params
->bitrate
&& !params
->bitrate_mode
) {
281 fprintf(stderr
, "bitrate or bitrate-mode is mandatory\n");
284 if (params
->output_filename
&& !strcmp(params
->output_filename
, "-") &&
285 !params
->transport_format
) {
286 fprintf(stderr
, "stdout streaming is not available on M4A output\n");
289 if (params
->bitrate
&& params
->bitrate
< 10000)
290 params
->bitrate
*= 1000;
291 params
->input_filename
= argv
[optind
];
296 int write_sample(FILE *ofp
, m4af_writer_t
*m4af
,
297 const void *data
, uint32_t size
, uint32_t duration
)
300 if (fwrite(data
, 1, size
, ofp
) < 0) {
301 fprintf(stderr
, "ERROR: fwrite(): %s\n", strerror(errno
));
304 } else if (m4af_write_sample(m4af
, 0, data
, size
, duration
) < 0) {
305 fprintf(stderr
, "ERROR: failed to write m4a sample\n");
312 int encode(wav_reader_t
*wavf
, HANDLE_AACENCODER encoder
,
313 uint32_t frame_length
, FILE *ofp
, m4af_writer_t
*m4af
)
317 uint32_t pcmsize
= 0;
324 int frames_written
= 0;
325 aacenc_progress_t progress
= { 0 };
326 const pcm_sample_description_t
*format
= wav_get_format(wavf
);
328 ibuf
= malloc(frame_length
* format
->bytes_per_frame
);
329 aacenc_progress_init(&progress
, wav_get_length(wavf
), format
->sample_rate
);
332 if ((nread
= wav_read_frames(wavf
, ibuf
, frame_length
)) < 0) {
333 fprintf(stderr
, "ERROR: read failed\n");
335 } else if (nread
> 0) {
336 if (pcm_convert_to_native_sint16(format
, ibuf
, nread
,
337 &pcmbuf
, &pcmsize
) < 0) {
338 fprintf(stderr
, "ERROR: unsupported sample format\n");
342 aacenc_progress_update(&progress
, wav_get_position(wavf
),
343 format
->sample_rate
* 2);
345 if ((consumed
= aac_encode_frame(encoder
, format
, pcmbuf
, nread
,
346 &obuf
, &olen
, &osize
)) < 0)
349 if (write_sample(ofp
, m4af
, obuf
, olen
, frame_length
) < 0)
353 } while (nread
> 0 || olen
> 0);
354 aacenc_progress_finish(&progress
, wav_get_position(wavf
));
357 if (ibuf
) free(ibuf
);
358 if (pcmbuf
) free(pcmbuf
);
359 if (obuf
) free(obuf
);
364 int finalize_m4a(m4af_writer_t
*m4af
, const aacenc_param_ex_t
*params
,
365 HANDLE_AACENCODER encoder
)
368 aacenc_tag_entry_t
*tag
= params
->tag_table
;
370 for (i
= 0; i
< params
->tag_count
; ++i
, ++tag
) {
375 if (sscanf(tag
->data
, "%u/%u", &m
, &n
) >= 1)
376 m4af_add_itmf_track_tag(m4af
, m
, n
);
382 if (sscanf(tag
->data
, "%u/%u", &m
, &n
) >= 1)
383 m4af_add_itmf_disk_tag(m4af
, m
, n
);
389 if (sscanf(tag
->data
, "%u", &n
) == 1)
390 m4af_add_itmf_int16_tag(m4af
, tag
->tag
, n
);
395 char *u8
= aacenc_to_utf8(tag
->data
);
396 m4af_add_itmf_string_tag(m4af
, tag
->tag
, u8
);
404 LIB_INFO
*lib_info
= 0;
406 p
+= sprintf(p
, PROGNAME
" %s, ", fdkaac_version
);
408 lib_info
= calloc(FDK_MODULE_LAST
, sizeof(LIB_INFO
));
409 if (aacEncGetLibInfo(lib_info
) == AACENC_OK
) {
410 for (i
= 0; i
< FDK_MODULE_LAST
; ++i
)
411 if (lib_info
[i
].module_id
== FDK_AACENC
)
413 p
+= sprintf(p
, "libfdk-aac %s, ", lib_info
[i
].versionStr
);
416 if (params
->bitrate_mode
)
417 sprintf(p
, "VBR mode %d", params
->bitrate_mode
);
419 sprintf(p
, "CBR %dkbps",
420 aacEncoder_GetParam(encoder
, AACENC_BITRATE
) / 1000);
422 m4af_add_itmf_string_tag(m4af
, M4AF_TAG_TOOL
, tool_info
);
424 if (m4af_finalize(m4af
) < 0) {
425 fprintf(stderr
, "ERROR: failed to finalize m4a\n");
432 const char *basename(const char *filename
)
434 char *p
= strrchr(filename
, '/');
436 char *q
= strrchr(filename
, '\\');
439 return p
? p
+ 1 : filename
;
443 char *generate_output_filename(const char *filename
, const char *ext
)
446 size_t ext_len
= strlen(ext
);
448 if (strcmp(filename
, "-") == 0) {
449 p
= malloc(ext_len
+ 6);
450 sprintf(p
, "stdin%s", ext
);
452 const char *base
= basename(filename
);
453 size_t ilen
= strlen(base
);
454 const char *ext_org
= strrchr(base
, '.');
455 if (ext_org
) ilen
= ext_org
- base
;
456 p
= malloc(ilen
+ ext_len
+ 1);
457 sprintf(p
, "%.*s%s", ilen
, base
, ext
);
462 int main(int argc
, char **argv
)
464 wav_io_context_t wav_io
= { read_callback
, seek_callback
};
465 m4af_io_callbacks_t m4af_io
= {
466 write_callback
, seek_callback
, tell_callback
};
467 aacenc_param_ex_t params
= { 0 };
472 char *output_filename
= 0;
473 wav_reader_t
*wavf
= 0;
474 HANDLE_AACENCODER encoder
= 0;
475 AACENC_InfoStruct aacinfo
= { 0 };
476 m4af_writer_t
*m4af
= 0;
477 const pcm_sample_description_t
*sample_format
;
478 int downsampled_timescale
= 0;
480 struct stat stb
= { 0 };
482 setlocale(LC_CTYPE
, "");
485 if (parse_options(argc
, argv
, ¶ms
) < 0)
488 if ((ifp
= aacenc_fopen(params
.input_filename
, "rb")) == 0) {
489 aacenc_fprintf(stderr
, "ERROR: %s: %s\n", params
.input_filename
,
494 if (fstat(fileno(ifp
), &stb
) == 0 && (stb
.st_mode
& S_IFMT
) != S_IFREG
)
497 if ((wavf
= wav_open(&wav_io
, ifp
, params
.ignore_length
)) == 0) {
498 fprintf(stderr
, "ERROR: broken / unsupported input file\n");
501 sample_format
= wav_get_format(wavf
);
503 if (aacenc_init(&encoder
, (aacenc_param_t
*)¶ms
, sample_format
,
507 if (!params
.output_filename
) {
508 const char *ext
= params
.transport_format
? ".aac" : ".m4a";
509 output_filename
= generate_output_filename(params
.input_filename
, ext
);
510 params
.output_filename
= output_filename
;
513 if ((ofp
= aacenc_fopen(params
.output_filename
, "wb")) == 0) {
514 aacenc_fprintf(stderr
, "ERROR: %s: %s\n", params
.output_filename
,
518 if (!params
.transport_format
) {
520 unsigned framelen
= aacinfo
.frameLength
;
521 int sbr_mode
= aacenc_is_sbr_active((aacenc_param_t
*)¶ms
);
522 int sig_mode
= aacEncoder_GetParam(encoder
, AACENC_SIGNALING_MODE
);
523 if (sbr_mode
&& !sig_mode
)
524 downsampled_timescale
= 1;
525 scale
= sample_format
->sample_rate
>> downsampled_timescale
;
526 if ((m4af
= m4af_create(M4AF_CODEC_MP4A
, scale
, &m4af_io
, ofp
)) < 0)
528 m4af_decoder_specific_info(m4af
, 0, aacinfo
.confBuf
, aacinfo
.confSize
);
529 m4af_set_fixed_frame_duration(m4af
, 0,
530 framelen
>> downsampled_timescale
);
531 m4af_begin_write(m4af
);
533 frame_count
= encode(wavf
, encoder
, aacinfo
.frameLength
, ofp
, m4af
);
537 uint32_t delay
= aacinfo
.encoderDelay
;
538 int64_t frames_read
= wav_get_position(wavf
);
539 uint32_t padding
= frame_count
* aacinfo
.frameLength
540 - frames_read
- aacinfo
.encoderDelay
;
541 m4af_set_priming(m4af
, 0, delay
>> downsampled_timescale
,
542 padding
>> downsampled_timescale
);
543 if (finalize_m4a(m4af
, ¶ms
, encoder
) < 0)
548 if (wavf
) wav_teardown(&wavf
);
549 if (ifp
) fclose(ifp
);
550 if (m4af
) m4af_teardown(&m4af
);
551 if (ofp
) fclose(ofp
);
552 if (encoder
) aacEncClose(&encoder
);
553 if (output_filename
) free(output_filename
);
554 if (params
.tag_table
) free(params
.tag_table
);