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[fdkaac.git] / src / main.c
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48e2f01c 1/*
2 * Copyright (C) 2013 nu774
3 * For conditions of distribution and use, see copyright notice in COPYING
4 */
5#if HAVE_CONFIG_H
6# include "config.h"
7#endif
8#if HAVE_STDINT_H
9# include <stdint.h>
10#endif
c5c45908 11#if HAVE_INTTYPES_H
12# include <inttypes.h>
13#elif defined(_MSC_VER)
14# define SCNd64 "I64d"
15#endif
48e2f01c 16#include <stdio.h>
17#include <stdlib.h>
18#include <string.h>
68543176 19#include <ctype.h>
48e2f01c 20#include <locale.h>
21#include <errno.h>
7222b0b5 22#include <sys/stat.h>
48e2f01c 23#include <getopt.h>
7222b0b5 24#if HAVE_UNISTD_H
25#include <unistd.h>
26#endif
27#ifdef _WIN32
28#include <io.h>
29#endif
48e2f01c 30#include "compat.h"
31#include "wav_reader.h"
32#include "aacenc.h"
33#include "m4af.h"
34#include "progress.h"
35#include "version.h"
36
37#define PROGNAME "fdkaac"
38
39static
40int read_callback(void *cookie, void *data, uint32_t size)
41{
5e1168a4 42 size_t rc = fread(data, 1, size, (FILE*)cookie);
43 return ferror((FILE*)cookie) ? -1 : (int)rc;
48e2f01c 44}
45
46static
47int write_callback(void *cookie, const void *data, uint32_t size)
48{
5e1168a4 49 size_t rc = fwrite(data, 1, size, (FILE*)cookie);
50 return ferror((FILE*)cookie) ? -1 : (int)rc;
48e2f01c 51}
52
53static
54int seek_callback(void *cookie, int64_t off, int whence)
55{
56 return fseeko((FILE*)cookie, off, whence);
57}
58
59static
60int64_t tell_callback(void *cookie)
61{
62 return ftello((FILE*)cookie);
63}
64
65static
66void usage(void)
67{
68 printf(
69PROGNAME " %s\n"
70"Usage: " PROGNAME " [options] input_file\n"
71"Options:\n"
72" -h, --help Print this help message\n"
73" -p, --profile <n> Profile (audio object type)\n"
74" 2: MPEG-4 AAC LC (default)\n"
75" 5: MPEG-4 HE-AAC (SBR)\n"
76" 29: MPEG-4 HE-AAC v2 (SBR+PS)\n"
77" 23: MPEG-4 AAC LD\n"
78" 39: MPEG-4 AAC ELD\n"
79" 129: MPEG-2 AAC LC\n"
80" 132: MPEG-2 HE-AAC (SBR)\n"
81" 156: MPEG-2 HE-AAC v2 (SBR+PS)\n"
82" -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n"
83" -m, --bitrate-mode <n> Bitrate configuration\n"
84" 0: CBR (default)\n"
85" 1-5: VBR\n"
86" (VBR mode is not officially supported, and\n"
87" works only on a certain combination of\n"
88" parameter settings, sample rate, and\n"
89" channel configuration)\n"
90" -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n"
097ef9a8 91" -a, --afterburner <n> Afterburner\n"
48e2f01c 92" 0: Off\n"
93" 1: On(default)\n"
94" -L, --lowdelay-sbr Enable ELD-SBR (AAC ELD only)\n"
95" -s, --sbr-signaling <n> SBR signaling mode\n"
96" 0: Implicit, backward compatible(default)\n"
97" 1: Explicit SBR and implicit PS\n"
98" 2: Explicit hierarchical signaling\n"
99" -f, --transport-format <n> Transport format\n"
100" 0: RAW (default, muxed into M4A)\n"
101" 1: ADIF\n"
102" 2: ADTS\n"
103" 6: LATM MCP=1\n"
104" 7: LATM MCP=0\n"
105" 10: LOAS/LATM (LATM within LOAS)\n"
68543176 106" -C, --adts-crc-check Add CRC protection on ADTS header\n"
48e2f01c 107" -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n"
108" transport layer\n"
109"\n"
110" -o <filename> Output filename\n"
5c534696 111" --ignorelength Ignore length of WAV header\n"
aa2ca1e3 112" -S, --silent Don't print progress messages\n"
48e2f01c 113"\n"
68543176 114"Options for raw (headerless) input:\n"
115" -R, --raw Treat input as raw (by default WAV is\n"
116" assumed)\n"
117" --raw-channels <n> Number of channels (default: 2)\n"
118" --raw-rate <n> Sample rate (default: 44100)\n"
119" --raw-format <spec> Sample format, default is \"S16L\".\n"
120" Spec is as follows:\n"
121" 1st char: S(igned)|U(nsigned)|F(loat)\n"
122" 2nd part: bits per channel\n"
123" Last char: L(ittle)|B(ig)\n"
124" Last char can be omitted, in which case L is\n"
125" assumed. Spec is case insensitive, therefore\n"
126" \"u16b\" is same as \"U16B\".\n"
127"\n"
48e2f01c 128"Tagging options:\n"
129" --title <string>\n"
130" --artist <string>\n"
131" --album <string>\n"
132" --genre <string>\n"
133" --date <string>\n"
134" --composer <string>\n"
135" --grouping <string>\n"
136" --comment <string>\n"
137" --album-artist <string>\n"
138" --track <number[/total]>\n"
139" --disk <number[/total]>\n"
140" --tempo <n>\n"
c5c45908 141" --tag <fcc>:<value> Set iTunes predefined tag with four char code.\n"
142" --long-tag <name>:<value> Set arbitrary tag as iTunes custom metadata.\n"
48e2f01c 143 , fdkaac_version);
144}
145
146typedef struct aacenc_tag_entry_t {
147 uint32_t tag;
c5c45908 148 const char *name;
48e2f01c 149 const char *data;
c5c45908 150 uint32_t data_size;
48e2f01c 151} aacenc_tag_entry_t;
152
153typedef struct aacenc_param_ex_t {
154 AACENC_PARAMS
155
156 char *input_filename;
157 char *output_filename;
158 unsigned ignore_length;
aa2ca1e3 159 int silent;
48e2f01c 160
68543176 161 int is_raw;
162 unsigned raw_channels;
163 unsigned raw_rate;
164 const char *raw_format;
165
48e2f01c 166 aacenc_tag_entry_t *tag_table;
167 unsigned tag_count;
168 unsigned tag_table_capacity;
169} aacenc_param_ex_t;
170
c5c45908 171static
172void param_add_itmf_entry(aacenc_param_ex_t *params, uint32_t tag,
173 const char *key, const char *value, uint32_t size)
174{
175 aacenc_tag_entry_t *entry;
176 if (params->tag_count == params->tag_table_capacity) {
177 unsigned newsize = params->tag_table_capacity;
178 newsize = newsize ? newsize * 2 : 1;
179 params->tag_table =
180 realloc(params->tag_table, newsize * sizeof(aacenc_tag_entry_t));
181 params->tag_table_capacity = newsize;
182 }
183 entry = params->tag_table + params->tag_count;
184 entry->tag = tag;
185 if (tag == M4AF_FOURCC('-','-','-','-'))
186 entry->name = key;
187 entry->data = value;
188 entry->data_size = size;
189 params->tag_count++;
190}
191
48e2f01c 192static
193int parse_options(int argc, char **argv, aacenc_param_ex_t *params)
194{
195 int ch;
196 unsigned n;
48e2f01c 197
68543176 198#define OPT_RAW_CHANNELS M4AF_FOURCC('r','c','h','n')
199#define OPT_RAW_RATE M4AF_FOURCC('r','r','a','t')
200#define OPT_RAW_FORMAT M4AF_FOURCC('r','f','m','t')
c5c45908 201#define OPT_SHORT_TAG M4AF_FOURCC('s','t','a','g')
202#define OPT_LONG_TAG M4AF_FOURCC('l','t','a','g')
68543176 203
48e2f01c 204 static struct option long_options[] = {
205 { "help", no_argument, 0, 'h' },
206 { "profile", required_argument, 0, 'p' },
207 { "bitrate", required_argument, 0, 'b' },
34b319e0 208 { "bitrate-mode", required_argument, 0, 'm' },
48e2f01c 209 { "bandwidth", required_argument, 0, 'w' },
210 { "afterburner", required_argument, 0, 'a' },
211 { "lowdelay-sbr", no_argument, 0, 'L' },
212 { "sbr-signaling", required_argument, 0, 's' },
213 { "transport-format", required_argument, 0, 'f' },
68543176 214 { "adts-crc-check", no_argument, 0, 'C' },
48e2f01c 215 { "header-period", required_argument, 0, 'P' },
216
5c534696 217 { "ignorelength", no_argument, 0, 'I' },
aa2ca1e3 218 { "silent", no_argument, 0, 'S' },
48e2f01c 219
68543176 220 { "raw", no_argument, 0, 'R' },
221 { "raw-channels", required_argument, 0, OPT_RAW_CHANNELS },
222 { "raw-rate", required_argument, 0, OPT_RAW_RATE },
223 { "raw-format", required_argument, 0, OPT_RAW_FORMAT },
224
225 { "title", required_argument, 0, M4AF_TAG_TITLE },
226 { "artist", required_argument, 0, M4AF_TAG_ARTIST },
227 { "album", required_argument, 0, M4AF_TAG_ALBUM },
228 { "genre", required_argument, 0, M4AF_TAG_GENRE },
229 { "date", required_argument, 0, M4AF_TAG_DATE },
230 { "composer", required_argument, 0, M4AF_TAG_COMPOSER },
231 { "grouping", required_argument, 0, M4AF_TAG_GROUPING },
232 { "comment", required_argument, 0, M4AF_TAG_COMMENT },
233 { "album-artist", required_argument, 0, M4AF_TAG_ALBUM_ARTIST },
234 { "track", required_argument, 0, M4AF_TAG_TRACK },
235 { "disk", required_argument, 0, M4AF_TAG_DISK },
236 { "tempo", required_argument, 0, M4AF_TAG_TEMPO },
c5c45908 237 { "tag", required_argument, 0, OPT_SHORT_TAG },
238 { "long-tag", required_argument, 0, OPT_LONG_TAG },
5c534696 239 { 0, 0, 0, 0 },
48e2f01c 240 };
241 params->afterburner = 1;
242
243 aacenc_getmainargs(&argc, &argv);
aa2ca1e3 244 while ((ch = getopt_long(argc, argv, "hp:b:m:w:a:Ls:f:CP:Io:SR",
48e2f01c 245 long_options, 0)) != EOF) {
246 switch (ch) {
247 case 'h':
248 return usage(), -1;
249 case 'p':
250 if (sscanf(optarg, "%u", &n) != 1) {
251 fprintf(stderr, "invalid arg for profile\n");
252 return -1;
253 }
254 params->profile = n;
255 break;
256 case 'b':
257 if (sscanf(optarg, "%u", &n) != 1) {
258 fprintf(stderr, "invalid arg for bitrate\n");
259 return -1;
260 }
261 params->bitrate = n;
262 break;
263 case 'm':
264 if (sscanf(optarg, "%u", &n) != 1 || n > 5) {
265 fprintf(stderr, "invalid arg for bitrate-mode\n");
266 return -1;
267 }
268 params->bitrate_mode = n;
269 break;
270 case 'w':
271 if (sscanf(optarg, "%u", &n) != 1) {
272 fprintf(stderr, "invalid arg for bandwidth\n");
273 return -1;
274 }
275 params->bandwidth = n;
276 break;
277 case 'a':
278 if (sscanf(optarg, "%u", &n) != 1 || n > 1) {
279 fprintf(stderr, "invalid arg for afterburner\n");
280 return -1;
281 }
282 params->afterburner = n;
283 break;
284 case 'L':
285 params->lowdelay_sbr = 1;
286 break;
287 case 's':
288 if (sscanf(optarg, "%u", &n) != 1 || n > 2) {
289 fprintf(stderr, "invalid arg for sbr-signaling\n");
290 return -1;
291 }
292 params->sbr_signaling = n;
293 break;
294 case 'f':
295 if (sscanf(optarg, "%u", &n) != 1) {
296 fprintf(stderr, "invalid arg for transport-format\n");
297 return -1;
298 }
299 params->transport_format = n;
300 break;
301 case 'c':
302 params->adts_crc_check = 1;
303 break;
304 case 'P':
305 if (sscanf(optarg, "%u", &n) != 1) {
306 fprintf(stderr, "invalid arg for header-period\n");
307 return -1;
308 }
309 params->header_period = n;
310 break;
311 case 'o':
312 params->output_filename = optarg;
313 break;
314 case 'I':
315 params->ignore_length = 1;
316 break;
aa2ca1e3 317 case 'S':
318 params->silent = 1;
319 break;
68543176 320 case 'R':
321 params->is_raw = 1;
322 break;
323 case OPT_RAW_CHANNELS:
324 if (sscanf(optarg, "%u", &n) != 1) {
325 fprintf(stderr, "invalid arg for raw-channels\n");
326 return -1;
327 }
328 params->raw_channels = n;
329 break;
330 case OPT_RAW_RATE:
331 if (sscanf(optarg, "%u", &n) != 1) {
332 fprintf(stderr, "invalid arg for raw-rate\n");
333 return -1;
334 }
335 params->raw_rate = n;
336 break;
337 case OPT_RAW_FORMAT:
338 params->raw_format = optarg;
339 break;
48e2f01c 340 case M4AF_TAG_TITLE:
341 case M4AF_TAG_ARTIST:
342 case M4AF_TAG_ALBUM:
343 case M4AF_TAG_GENRE:
344 case M4AF_TAG_DATE:
345 case M4AF_TAG_COMPOSER:
346 case M4AF_TAG_GROUPING:
347 case M4AF_TAG_COMMENT:
348 case M4AF_TAG_ALBUM_ARTIST:
349 case M4AF_TAG_TRACK:
350 case M4AF_TAG_DISK:
351 case M4AF_TAG_TEMPO:
c5c45908 352 param_add_itmf_entry(params, ch, 0, optarg, strlen(optarg));
353 break;
354 case OPT_SHORT_TAG:
355 case OPT_LONG_TAG:
356 {
357 char *val;
358 size_t klen;
359 unsigned fcc = M4AF_FOURCC('-','-','-','-');
360
361 if ((val = strchr(optarg, ':')) == 0) {
362 fprintf(stderr, "invalid arg for tag\n");
363 return -1;
364 }
365 *val++ = '\0';
366 if (ch == OPT_SHORT_TAG) {
360cf7dc 367 /*
368 * take care of U+00A9(COPYRIGHT SIGN).
369 * 1) if length of fcc is 3, we prepend '\xa9'.
370 * 2) U+00A9 becomes "\xc2\xa9" in UTF-8. Therefore
371 * we remove first '\xc2'.
372 */
373 if (optarg[0] == '\xc2')
374 ++optarg;
c5c45908 375 if ((klen = strlen(optarg))== 3)
376 fcc = 0xa9;
377 else if (klen != 4) {
378 fprintf(stderr, "invalid arg for tag\n");
379 return -1;
380 }
381 for (; *optarg; ++optarg)
382 fcc = ((fcc << 8) | (*optarg & 0xff));
383 }
384 param_add_itmf_entry(params, fcc, optarg, val, strlen(val));
48e2f01c 385 }
48e2f01c 386 break;
387 default:
388 return usage(), -1;
389 }
390 }
391 if (argc == optind)
392 return usage(), -1;
68543176 393
48e2f01c 394 if (!params->bitrate && !params->bitrate_mode) {
395 fprintf(stderr, "bitrate or bitrate-mode is mandatory\n");
396 return -1;
397 }
398 if (params->output_filename && !strcmp(params->output_filename, "-") &&
399 !params->transport_format) {
400 fprintf(stderr, "stdout streaming is not available on M4A output\n");
401 return -1;
402 }
403 if (params->bitrate && params->bitrate < 10000)
404 params->bitrate *= 1000;
68543176 405
406 if (params->is_raw) {
407 if (!params->raw_channels)
408 params->raw_channels = 2;
409 if (!params->raw_rate)
410 params->raw_rate = 44100;
411 if (!params->raw_format)
412 params->raw_format = "S16L";
413 }
48e2f01c 414 params->input_filename = argv[optind];
415 return 0;
416};
417
418static
419int write_sample(FILE *ofp, m4af_writer_t *m4af,
420 const void *data, uint32_t size, uint32_t duration)
421{
422 if (!m4af) {
5e1168a4 423 fwrite(data, 1, size, ofp);
424 if (ferror(ofp)) {
48e2f01c 425 fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno));
426 return -1;
427 }
428 } else if (m4af_write_sample(m4af, 0, data, size, duration) < 0) {
429 fprintf(stderr, "ERROR: failed to write m4a sample\n");
430 return -1;
431 }
432 return 0;
433}
434
435static
436int encode(wav_reader_t *wavf, HANDLE_AACENCODER encoder,
aa2ca1e3 437 uint32_t frame_length, FILE *ofp, m4af_writer_t *m4af,
438 int show_progress)
48e2f01c 439{
440 uint8_t *ibuf = 0;
441 int16_t *pcmbuf = 0;
442 uint32_t pcmsize = 0;
443 uint8_t *obuf = 0;
444 uint32_t olen;
445 uint32_t osize = 0;
446 int nread = 1;
447 int consumed;
448 int rc = -1;
449 int frames_written = 0;
450 aacenc_progress_t progress = { 0 };
451 const pcm_sample_description_t *format = wav_get_format(wavf);
452
453 ibuf = malloc(frame_length * format->bytes_per_frame);
454 aacenc_progress_init(&progress, wav_get_length(wavf), format->sample_rate);
455 do {
456 if (nread) {
457 if ((nread = wav_read_frames(wavf, ibuf, frame_length)) < 0) {
458 fprintf(stderr, "ERROR: read failed\n");
459 goto END;
460 } else if (nread > 0) {
461 if (pcm_convert_to_native_sint16(format, ibuf, nread,
462 &pcmbuf, &pcmsize) < 0) {
463 fprintf(stderr, "ERROR: unsupported sample format\n");
464 goto END;
465 }
466 }
aa2ca1e3 467 if (show_progress)
468 aacenc_progress_update(&progress, wav_get_position(wavf),
469 format->sample_rate * 2);
48e2f01c 470 }
471 if ((consumed = aac_encode_frame(encoder, format, pcmbuf, nread,
472 &obuf, &olen, &osize)) < 0)
473 goto END;
474 if (olen > 0) {
475 if (write_sample(ofp, m4af, obuf, olen, frame_length) < 0)
476 goto END;
477 ++frames_written;
478 }
479 } while (nread > 0 || olen > 0);
aa2ca1e3 480
481 if (show_progress)
482 aacenc_progress_finish(&progress, wav_get_position(wavf));
48e2f01c 483 rc = frames_written;
484END:
485 if (ibuf) free(ibuf);
486 if (pcmbuf) free(pcmbuf);
487 if (obuf) free(obuf);
488 return rc;
489}
490
c5c45908 491static
47c164c8 492void put_tag_entry(m4af_writer_t *m4af, const aacenc_tag_entry_t *tag)
c5c45908 493{
494 unsigned m, n = 0;
495
496 switch (tag->tag) {
497 case M4AF_TAG_TRACK:
498 if (sscanf(tag->data, "%u/%u", &m, &n) >= 1)
499 m4af_add_itmf_track_tag(m4af, m, n);
500 break;
501 case M4AF_TAG_DISK:
502 if (sscanf(tag->data, "%u/%u", &m, &n) >= 1)
503 m4af_add_itmf_disk_tag(m4af, m, n);
504 break;
505 case M4AF_TAG_GENRE_ID3:
506 if (sscanf(tag->data, "%u", &n) == 1)
507 m4af_add_itmf_genre_tag(m4af, n);
508 break;
509 case M4AF_TAG_TEMPO:
510 if (sscanf(tag->data, "%u", &n) == 1)
511 m4af_add_itmf_int16_tag(m4af, tag->tag, n);
512 break;
513 case M4AF_TAG_COMPILATION:
514 case M4AF_FOURCC('a','k','I','D'):
515 case M4AF_FOURCC('h','d','v','d'):
516 case M4AF_FOURCC('p','c','s','t'):
517 case M4AF_FOURCC('p','g','a','p'):
518 case M4AF_FOURCC('r','t','n','g'):
519 case M4AF_FOURCC('s','t','i','k'):
520 if (sscanf(tag->data, "%u", &n) == 1)
521 m4af_add_itmf_int8_tag(m4af, tag->tag, n);
522 break;
523 case M4AF_FOURCC('a','t','I','D'):
524 case M4AF_FOURCC('c','m','I','D'):
525 case M4AF_FOURCC('c','n','I','D'):
526 case M4AF_FOURCC('g','e','I','D'):
527 case M4AF_FOURCC('s','f','I','D'):
528 case M4AF_FOURCC('t','v','s','n'):
529 case M4AF_FOURCC('t','v','s','s'):
530 if (sscanf(tag->data, "%u", &n) == 1)
531 m4af_add_itmf_int32_tag(m4af, tag->tag, n);
532 break;
533 case M4AF_FOURCC('p','l','I','D'):
534 {
535 int64_t qn;
536 if (sscanf(tag->data, "%" SCNd64, &qn) == 1)
537 m4af_add_itmf_int64_tag(m4af, tag->tag, qn);
538 break;
539 }
540 case M4AF_TAG_ARTWORK:
541 {
542 int data_type = 0;
543 if (!memcmp(tag->data, "GIF", 3))
544 data_type = M4AF_GIF;
545 else if (!memcmp(tag->data, "\xff\xd8\xff", 3))
546 data_type = M4AF_JPEG;
547 else if (!memcmp(tag->data, "\x89PNG", 4))
548 data_type = M4AF_PNG;
549 if (data_type)
550 m4af_add_itmf_short_tag(m4af, tag->tag, data_type,
551 tag->data, tag->data_size);
552 break;
553 }
554 case M4AF_FOURCC('-','-','-','-'):
555 {
556 char *u8 = aacenc_to_utf8(tag->data);
557 m4af_add_itmf_long_tag(m4af, tag->name, u8);
558 free(u8);
559 break;
560 }
561 case M4AF_TAG_TITLE:
562 case M4AF_TAG_ARTIST:
563 case M4AF_TAG_ALBUM:
564 case M4AF_TAG_GENRE:
565 case M4AF_TAG_DATE:
566 case M4AF_TAG_COMPOSER:
567 case M4AF_TAG_GROUPING:
568 case M4AF_TAG_COMMENT:
569 case M4AF_TAG_LYRICS:
570 case M4AF_TAG_TOOL:
571 case M4AF_TAG_ALBUM_ARTIST:
572 case M4AF_TAG_DESCRIPTION:
573 case M4AF_TAG_LONG_DESCRIPTION:
574 case M4AF_TAG_COPYRIGHT:
575 case M4AF_FOURCC('a','p','I','D'):
576 case M4AF_FOURCC('c','a','t','g'):
577 case M4AF_FOURCC('k','e','y','w'):
578 case M4AF_FOURCC('p','u','r','d'):
579 case M4AF_FOURCC('p','u','r','l'):
580 case M4AF_FOURCC('s','o','a','a'):
581 case M4AF_FOURCC('s','o','a','l'):
582 case M4AF_FOURCC('s','o','a','r'):
583 case M4AF_FOURCC('s','o','c','o'):
584 case M4AF_FOURCC('s','o','n','m'):
585 case M4AF_FOURCC('s','o','s','n'):
586 case M4AF_FOURCC('t','v','e','n'):
587 case M4AF_FOURCC('t','v','n','n'):
588 case M4AF_FOURCC('t','v','s','h'):
e476728e 589 case M4AF_FOURCC('x','i','d',' '):
c5c45908 590 case M4AF_FOURCC('\xa9','e','n','c'):
591 case M4AF_FOURCC('\xa9','s','t','3'):
592 {
593 char *u8 = aacenc_to_utf8(tag->data);
594 m4af_add_itmf_string_tag(m4af, tag->tag, u8);
595 free(u8);
596 break;
597 }
598 default:
599 fprintf(stderr, "WARNING: unknown/unsupported tag: %c%c%c%c\n",
600 tag->tag >> 24, (tag->tag >> 16) & 0xff,
601 (tag->tag >> 8) & 0xff, tag->tag & 0xff);
602 }
603}
604
605static
606void put_tool_tag(m4af_writer_t *m4af, const aacenc_param_ex_t *params,
607 HANDLE_AACENCODER encoder)
608{
609 char tool_info[256];
610 char *p = tool_info;
611 LIB_INFO *lib_info = 0;
612
613 p += sprintf(p, PROGNAME " %s, ", fdkaac_version);
614
615 lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO));
616 if (aacEncGetLibInfo(lib_info) == AACENC_OK) {
617 int i;
618 for (i = 0; i < FDK_MODULE_LAST; ++i)
619 if (lib_info[i].module_id == FDK_AACENC)
620 break;
621 p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr);
622 }
623 free(lib_info);
624 if (params->bitrate_mode)
625 sprintf(p, "VBR mode %d", params->bitrate_mode);
626 else
627 sprintf(p, "CBR %dkbps",
628 aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000);
629
630 m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info);
631}
632
48e2f01c 633static
634int finalize_m4a(m4af_writer_t *m4af, const aacenc_param_ex_t *params,
635 HANDLE_AACENCODER encoder)
636{
637 unsigned i;
638 aacenc_tag_entry_t *tag = params->tag_table;
c5c45908 639 for (i = 0; i < params->tag_count; ++i, ++tag)
640 put_tag_entry(m4af, tag);
641
642 put_tool_tag(m4af, params, encoder);
48e2f01c 643
48e2f01c 644 if (m4af_finalize(m4af) < 0) {
645 fprintf(stderr, "ERROR: failed to finalize m4a\n");
646 return -1;
647 }
648 return 0;
649}
650
af8fa38d 651static
652char *generate_output_filename(const char *filename, const char *ext)
653{
654 char *p = 0;
655 size_t ext_len = strlen(ext);
656
657 if (strcmp(filename, "-") == 0) {
658 p = malloc(ext_len + 6);
659 sprintf(p, "stdin%s", ext);
660 } else {
5888fddc 661 const char *base = aacenc_basename(filename);
af8fa38d 662 size_t ilen = strlen(base);
663 const char *ext_org = strrchr(base, '.');
664 if (ext_org) ilen = ext_org - base;
665 p = malloc(ilen + ext_len + 1);
666 sprintf(p, "%.*s%s", ilen, base, ext);
667 }
668 return p;
669}
670
68543176 671static
672int parse_raw_spec(const char *spec, pcm_sample_description_t *desc)
673{
674 unsigned bits;
675 unsigned char c_type, c_endian = 'L';
676 int type;
677
678 if (sscanf(spec, "%c%u%c", &c_type, &bits, &c_endian) < 2)
679 return -1;
680 c_type = toupper(c_type);
681 c_endian = toupper(c_endian);
682
683 if (c_type == 'S')
684 type = 1;
685 else if (c_type == 'U')
686 type = 2;
687 else if (c_type == 'F')
688 type = 4;
689 else
690 return -1;
691
692 if (c_endian == 'B')
693 type |= 8;
694 else if (c_endian != 'L')
695 return -1;
696
697 if (c_type == 'F' && bits != 32 && bits != 64)
698 return -1;
699 if (c_type != 'F' && (bits < 8 || bits > 32))
700 return -1;
701
702 desc->sample_type = type;
703 desc->bits_per_channel = bits;
704 return 0;
705}
706
48e2f01c 707int main(int argc, char **argv)
708{
68543176 709 wav_io_context_t wav_io = { read_callback, seek_callback, tell_callback };
48e2f01c 710 m4af_io_callbacks_t m4af_io = {
711 write_callback, seek_callback, tell_callback };
712 aacenc_param_ex_t params = { 0 };
713
714 int result = 2;
715 FILE *ifp = 0;
716 FILE *ofp = 0;
717 char *output_filename = 0;
718 wav_reader_t *wavf = 0;
719 HANDLE_AACENCODER encoder = 0;
720 AACENC_InfoStruct aacinfo = { 0 };
721 m4af_writer_t *m4af = 0;
722 const pcm_sample_description_t *sample_format;
723 int downsampled_timescale = 0;
724 int frame_count = 0;
7222b0b5 725 struct stat stb = { 0 };
48e2f01c 726
727 setlocale(LC_CTYPE, "");
728 setbuf(stderr, 0);
729
730 if (parse_options(argc, argv, &params) < 0)
731 return 1;
732
733 if ((ifp = aacenc_fopen(params.input_filename, "rb")) == 0) {
734 aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.input_filename,
735 strerror(errno));
736 goto END;
737 }
68543176 738 if (fstat(fileno(ifp), &stb) == 0 && (stb.st_mode & S_IFMT) != S_IFREG) {
48e2f01c 739 wav_io.seek = 0;
68543176 740 wav_io.tell = 0;
741 }
742 if (!params.is_raw) {
743 if ((wavf = wav_open(&wav_io, ifp, params.ignore_length)) == 0) {
744 fprintf(stderr, "ERROR: broken / unsupported input file\n");
745 goto END;
746 }
747 } else {
748 int bytes_per_channel;
749 pcm_sample_description_t desc = { 0 };
750 if (parse_raw_spec(params.raw_format, &desc) < 0) {
751 fprintf(stderr, "ERROR: invalid raw-format spec\n");
752 goto END;
753 }
754 desc.sample_rate = params.raw_rate;
755 desc.channels_per_frame = params.raw_channels;
756 bytes_per_channel = (desc.bits_per_channel + 7) / 8;
757 desc.bytes_per_frame = params.raw_channels * bytes_per_channel;
758 if ((wavf = raw_open(&wav_io, ifp, &desc)) == 0) {
759 fprintf(stderr, "ERROR: failed to open raw input\n");
760 goto END;
761 }
48e2f01c 762 }
763 sample_format = wav_get_format(wavf);
764
765 if (aacenc_init(&encoder, (aacenc_param_t*)&params, sample_format,
766 &aacinfo) < 0)
767 goto END;
768
769 if (!params.output_filename) {
af8fa38d 770 const char *ext = params.transport_format ? ".aac" : ".m4a";
771 output_filename = generate_output_filename(params.input_filename, ext);
48e2f01c 772 params.output_filename = output_filename;
773 }
774
775 if ((ofp = aacenc_fopen(params.output_filename, "wb")) == 0) {
776 aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename,
777 strerror(errno));
778 goto END;
779 }
780 if (!params.transport_format) {
781 uint32_t scale;
782 unsigned framelen = aacinfo.frameLength;
7b1f2136 783 int sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)&params);
784 int sig_mode = aacEncoder_GetParam(encoder, AACENC_SIGNALING_MODE);
785 if (sbr_mode && !sig_mode)
786 downsampled_timescale = 1;
48e2f01c 787 scale = sample_format->sample_rate >> downsampled_timescale;
788 if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, ofp)) < 0)
789 goto END;
790 m4af_decoder_specific_info(m4af, 0, aacinfo.confBuf, aacinfo.confSize);
791 m4af_set_fixed_frame_duration(m4af, 0,
792 framelen >> downsampled_timescale);
793 m4af_begin_write(m4af);
794 }
aa2ca1e3 795 frame_count = encode(wavf, encoder, aacinfo.frameLength, ofp, m4af,
796 !params.silent);
48e2f01c 797 if (frame_count < 0)
798 goto END;
799 if (m4af) {
800 uint32_t delay = aacinfo.encoderDelay;
7b1f2136 801 int64_t frames_read = wav_get_position(wavf);
48e2f01c 802 uint32_t padding = frame_count * aacinfo.frameLength
803 - frames_read - aacinfo.encoderDelay;
804 m4af_set_priming(m4af, 0, delay >> downsampled_timescale,
805 padding >> downsampled_timescale);
806 if (finalize_m4a(m4af, &params, encoder) < 0)
807 goto END;
808 }
809 result = 0;
810END:
811 if (wavf) wav_teardown(&wavf);
812 if (ifp) fclose(ifp);
813 if (m4af) m4af_teardown(&m4af);
814 if (ofp) fclose(ofp);
815 if (encoder) aacEncClose(&encoder);
816 if (output_filename) free(output_filename);
817 if (params.tag_table) free(params.tag_table);
818
819 return result;
820}
command line encoder frontend for libfdk-aac
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