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 |
bd3b4b34 |
27 | #if HAVE_SIGACTION |
28 | #include <signal.h> |
29 | #endif |
7222b0b5 |
30 | #ifdef _WIN32 |
31 | #include <io.h> |
bd3b4b34 |
32 | #define WIN32_LEAN_AND_MEAN |
33 | #include <windows.h> |
7222b0b5 |
34 | #endif |
48e2f01c |
35 | #include "compat.h" |
36 | #include "wav_reader.h" |
1af8624b |
37 | #include "caf_reader.h" |
48e2f01c |
38 | #include "aacenc.h" |
39 | #include "m4af.h" |
40 | #include "progress.h" |
41 | #include "version.h" |
cbb23cdb |
42 | #include "metadata.h" |
48e2f01c |
43 | |
44 | #define PROGNAME "fdkaac" |
45 | |
721d977f |
46 | static volatile int g_interrupted = 0; |
bd3b4b34 |
47 | |
48 | #if HAVE_SIGACTION |
49 | static void signal_handler(int signum) |
50 | { |
51 | g_interrupted = 1; |
52 | } |
53 | static void handle_signals(void) |
54 | { |
55 | int i, sigs[] = { SIGINT, SIGHUP, SIGTERM }; |
56 | for (i = 0; i < sizeof(sigs)/sizeof(sigs[0]); ++i) { |
57 | struct sigaction sa = { 0 }; |
58 | sa.sa_handler = signal_handler; |
59 | sa.sa_flags |= SA_RESTART; |
60 | sigaction(sigs[i], &sa, 0); |
61 | } |
62 | } |
63 | #elif defined(_WIN32) |
64 | static BOOL WINAPI signal_handler(DWORD type) |
65 | { |
66 | g_interrupted = 1; |
67 | return TRUE; |
68 | } |
69 | |
70 | static void handle_signals(void) |
71 | { |
72 | SetConsoleCtrlHandler(signal_handler, TRUE); |
73 | } |
74 | #else |
75 | static void handle_signals(void) |
76 | { |
77 | } |
78 | #endif |
79 | |
48e2f01c |
80 | static |
81 | int read_callback(void *cookie, void *data, uint32_t size) |
82 | { |
5e1168a4 |
83 | size_t rc = fread(data, 1, size, (FILE*)cookie); |
84 | return ferror((FILE*)cookie) ? -1 : (int)rc; |
48e2f01c |
85 | } |
86 | |
87 | static |
88 | int write_callback(void *cookie, const void *data, uint32_t size) |
89 | { |
5e1168a4 |
90 | size_t rc = fwrite(data, 1, size, (FILE*)cookie); |
91 | return ferror((FILE*)cookie) ? -1 : (int)rc; |
48e2f01c |
92 | } |
93 | |
94 | static |
95 | int seek_callback(void *cookie, int64_t off, int whence) |
96 | { |
97 | return fseeko((FILE*)cookie, off, whence); |
98 | } |
99 | |
100 | static |
101 | int64_t tell_callback(void *cookie) |
102 | { |
103 | return ftello((FILE*)cookie); |
104 | } |
105 | |
106 | static |
107 | void usage(void) |
108 | { |
109 | printf( |
110 | PROGNAME " %s\n" |
111 | "Usage: " PROGNAME " [options] input_file\n" |
112 | "Options:\n" |
113 | " -h, --help Print this help message\n" |
114 | " -p, --profile <n> Profile (audio object type)\n" |
115 | " 2: MPEG-4 AAC LC (default)\n" |
116 | " 5: MPEG-4 HE-AAC (SBR)\n" |
117 | " 29: MPEG-4 HE-AAC v2 (SBR+PS)\n" |
118 | " 23: MPEG-4 AAC LD\n" |
119 | " 39: MPEG-4 AAC ELD\n" |
120 | " 129: MPEG-2 AAC LC\n" |
121 | " 132: MPEG-2 HE-AAC (SBR)\n" |
122 | " 156: MPEG-2 HE-AAC v2 (SBR+PS)\n" |
123 | " -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n" |
124 | " -m, --bitrate-mode <n> Bitrate configuration\n" |
125 | " 0: CBR (default)\n" |
126 | " 1-5: VBR\n" |
127 | " (VBR mode is not officially supported, and\n" |
128 | " works only on a certain combination of\n" |
129 | " parameter settings, sample rate, and\n" |
130 | " channel configuration)\n" |
131 | " -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n" |
097ef9a8 |
132 | " -a, --afterburner <n> Afterburner\n" |
48e2f01c |
133 | " 0: Off\n" |
134 | " 1: On(default)\n" |
135 | " -L, --lowdelay-sbr Enable ELD-SBR (AAC ELD only)\n" |
48e2f01c |
136 | " -f, --transport-format <n> Transport format\n" |
137 | " 0: RAW (default, muxed into M4A)\n" |
138 | " 1: ADIF\n" |
139 | " 2: ADTS\n" |
140 | " 6: LATM MCP=1\n" |
141 | " 7: LATM MCP=0\n" |
142 | " 10: LOAS/LATM (LATM within LOAS)\n" |
68543176 |
143 | " -C, --adts-crc-check Add CRC protection on ADTS header\n" |
48e2f01c |
144 | " -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n" |
145 | " transport layer\n" |
146 | "\n" |
147 | " -o <filename> Output filename\n" |
d317e29d |
148 | " -G, --gapless-mode <n> Encoder delay signaling for gapless playback\n" |
149 | " 0: iTunSMPB (default)\n" |
150 | " 1: ISO standard (edts + sgpd)\n" |
151 | " 2: Both\n" |
be234dc4 |
152 | " --include-sbr-delay Count SBR decoder delay in encoder delay\n" |
153 | " This is not iTunes compatible, but is default\n" |
154 | " behavior of FDK library.\n" |
c9ac59e8 |
155 | " -I, --ignorelength Ignore length of WAV header\n" |
aa2ca1e3 |
156 | " -S, --silent Don't print progress messages\n" |
fb2b3635 |
157 | " --moov-before-mdat Place moov box before mdat box on m4a output\n" |
48e2f01c |
158 | "\n" |
68543176 |
159 | "Options for raw (headerless) input:\n" |
160 | " -R, --raw Treat input as raw (by default WAV is\n" |
161 | " assumed)\n" |
162 | " --raw-channels <n> Number of channels (default: 2)\n" |
163 | " --raw-rate <n> Sample rate (default: 44100)\n" |
164 | " --raw-format <spec> Sample format, default is \"S16L\".\n" |
165 | " Spec is as follows:\n" |
166 | " 1st char: S(igned)|U(nsigned)|F(loat)\n" |
167 | " 2nd part: bits per channel\n" |
168 | " Last char: L(ittle)|B(ig)\n" |
169 | " Last char can be omitted, in which case L is\n" |
170 | " assumed. Spec is case insensitive, therefore\n" |
171 | " \"u16b\" is same as \"U16B\".\n" |
172 | "\n" |
48e2f01c |
173 | "Tagging options:\n" |
174 | " --title <string>\n" |
175 | " --artist <string>\n" |
176 | " --album <string>\n" |
177 | " --genre <string>\n" |
178 | " --date <string>\n" |
179 | " --composer <string>\n" |
180 | " --grouping <string>\n" |
181 | " --comment <string>\n" |
182 | " --album-artist <string>\n" |
183 | " --track <number[/total]>\n" |
184 | " --disk <number[/total]>\n" |
185 | " --tempo <n>\n" |
c5c45908 |
186 | " --tag <fcc>:<value> Set iTunes predefined tag with four char code.\n" |
a56831da |
187 | " --tag-from-file <fcc>:<filename>\n" |
188 | " Same as above, but value is read from file.\n" |
c5c45908 |
189 | " --long-tag <name>:<value> Set arbitrary tag as iTunes custom metadata.\n" |
cbb23cdb |
190 | " --tag-from-json <filename[?dot_notation]>\n" |
191 | " Read tags from JSON. By default, tags are\n" |
192 | " assumed to be direct children of the root\n" |
193 | " object(dictionary).\n" |
194 | " Optionally, position of the dictionary\n" |
195 | " that contains tags can be specified with\n" |
196 | " dotted notation.\n" |
197 | " Example:\n" |
198 | " --tag-from-json /path/to/json?format.tags\n" |
48e2f01c |
199 | , fdkaac_version); |
200 | } |
201 | |
48e2f01c |
202 | typedef struct aacenc_param_ex_t { |
203 | AACENC_PARAMS |
204 | |
205 | char *input_filename; |
2d744bd5 |
206 | FILE *input_fp; |
48e2f01c |
207 | char *output_filename; |
2d744bd5 |
208 | FILE *output_fp; |
d317e29d |
209 | unsigned gapless_mode; |
be234dc4 |
210 | unsigned include_sbr_delay; |
48e2f01c |
211 | unsigned ignore_length; |
aa2ca1e3 |
212 | int silent; |
fb2b3635 |
213 | int moov_before_mdat; |
48e2f01c |
214 | |
68543176 |
215 | int is_raw; |
216 | unsigned raw_channels; |
217 | unsigned raw_rate; |
218 | const char *raw_format; |
219 | |
3b666b75 |
220 | aacenc_tag_store_t tags; |
1af8624b |
221 | aacenc_tag_store_t source_tags; |
222 | aacenc_translate_generic_text_tag_ctx_t source_tag_ctx; |
48e2f01c |
223 | |
cbb23cdb |
224 | char *json_filename; |
225 | } aacenc_param_ex_t; |
c5c45908 |
226 | |
48e2f01c |
227 | static |
228 | int parse_options(int argc, char **argv, aacenc_param_ex_t *params) |
229 | { |
230 | int ch; |
231 | unsigned n; |
48e2f01c |
232 | |
be234dc4 |
233 | #define OPT_INCLUDE_SBR_DELAY M4AF_FOURCC('s','d','l','y') |
fb2b3635 |
234 | #define OPT_MOOV_BEFORE_MDAT M4AF_FOURCC('m','o','o','v') |
a56831da |
235 | #define OPT_RAW_CHANNELS M4AF_FOURCC('r','c','h','n') |
236 | #define OPT_RAW_RATE M4AF_FOURCC('r','r','a','t') |
237 | #define OPT_RAW_FORMAT M4AF_FOURCC('r','f','m','t') |
238 | #define OPT_SHORT_TAG M4AF_FOURCC('s','t','a','g') |
239 | #define OPT_SHORT_TAG_FILE M4AF_FOURCC('s','t','g','f') |
240 | #define OPT_LONG_TAG M4AF_FOURCC('l','t','a','g') |
cbb23cdb |
241 | #define OPT_TAG_FROM_JSON M4AF_FOURCC('t','f','j','s') |
68543176 |
242 | |
48e2f01c |
243 | static struct option long_options[] = { |
244 | { "help", no_argument, 0, 'h' }, |
245 | { "profile", required_argument, 0, 'p' }, |
246 | { "bitrate", required_argument, 0, 'b' }, |
34b319e0 |
247 | { "bitrate-mode", required_argument, 0, 'm' }, |
48e2f01c |
248 | { "bandwidth", required_argument, 0, 'w' }, |
249 | { "afterburner", required_argument, 0, 'a' }, |
250 | { "lowdelay-sbr", no_argument, 0, 'L' }, |
48e2f01c |
251 | { "transport-format", required_argument, 0, 'f' }, |
68543176 |
252 | { "adts-crc-check", no_argument, 0, 'C' }, |
48e2f01c |
253 | { "header-period", required_argument, 0, 'P' }, |
254 | |
d317e29d |
255 | { "gapless-mode", required_argument, 0, 'G' }, |
be234dc4 |
256 | { "include-sbr-delay", no_argument, 0, OPT_INCLUDE_SBR_DELAY }, |
5c534696 |
257 | { "ignorelength", no_argument, 0, 'I' }, |
aa2ca1e3 |
258 | { "silent", no_argument, 0, 'S' }, |
fb2b3635 |
259 | { "moov-before-mdat", no_argument, 0, OPT_MOOV_BEFORE_MDAT }, |
48e2f01c |
260 | |
68543176 |
261 | { "raw", no_argument, 0, 'R' }, |
262 | { "raw-channels", required_argument, 0, OPT_RAW_CHANNELS }, |
263 | { "raw-rate", required_argument, 0, OPT_RAW_RATE }, |
264 | { "raw-format", required_argument, 0, OPT_RAW_FORMAT }, |
265 | |
266 | { "title", required_argument, 0, M4AF_TAG_TITLE }, |
267 | { "artist", required_argument, 0, M4AF_TAG_ARTIST }, |
268 | { "album", required_argument, 0, M4AF_TAG_ALBUM }, |
269 | { "genre", required_argument, 0, M4AF_TAG_GENRE }, |
270 | { "date", required_argument, 0, M4AF_TAG_DATE }, |
271 | { "composer", required_argument, 0, M4AF_TAG_COMPOSER }, |
272 | { "grouping", required_argument, 0, M4AF_TAG_GROUPING }, |
273 | { "comment", required_argument, 0, M4AF_TAG_COMMENT }, |
274 | { "album-artist", required_argument, 0, M4AF_TAG_ALBUM_ARTIST }, |
275 | { "track", required_argument, 0, M4AF_TAG_TRACK }, |
276 | { "disk", required_argument, 0, M4AF_TAG_DISK }, |
277 | { "tempo", required_argument, 0, M4AF_TAG_TEMPO }, |
c5c45908 |
278 | { "tag", required_argument, 0, OPT_SHORT_TAG }, |
a56831da |
279 | { "tag-from-file", required_argument, 0, OPT_SHORT_TAG_FILE }, |
c5c45908 |
280 | { "long-tag", required_argument, 0, OPT_LONG_TAG }, |
cbb23cdb |
281 | { "tag-from-json", required_argument, 0, OPT_TAG_FROM_JSON }, |
5c534696 |
282 | { 0, 0, 0, 0 }, |
48e2f01c |
283 | }; |
284 | params->afterburner = 1; |
285 | |
286 | aacenc_getmainargs(&argc, &argv); |
d317e29d |
287 | while ((ch = getopt_long(argc, argv, "hp:b:m:w:a:Ls:f:CP:G:Io:SR", |
48e2f01c |
288 | long_options, 0)) != EOF) { |
289 | switch (ch) { |
290 | case 'h': |
291 | return usage(), -1; |
292 | case 'p': |
293 | if (sscanf(optarg, "%u", &n) != 1) { |
294 | fprintf(stderr, "invalid arg for profile\n"); |
295 | return -1; |
296 | } |
297 | params->profile = n; |
298 | break; |
299 | case 'b': |
300 | if (sscanf(optarg, "%u", &n) != 1) { |
301 | fprintf(stderr, "invalid arg for bitrate\n"); |
302 | return -1; |
303 | } |
304 | params->bitrate = n; |
305 | break; |
306 | case 'm': |
307 | if (sscanf(optarg, "%u", &n) != 1 || n > 5) { |
308 | fprintf(stderr, "invalid arg for bitrate-mode\n"); |
309 | return -1; |
310 | } |
311 | params->bitrate_mode = n; |
312 | break; |
313 | case 'w': |
314 | if (sscanf(optarg, "%u", &n) != 1) { |
315 | fprintf(stderr, "invalid arg for bandwidth\n"); |
316 | return -1; |
317 | } |
318 | params->bandwidth = n; |
319 | break; |
320 | case 'a': |
321 | if (sscanf(optarg, "%u", &n) != 1 || n > 1) { |
322 | fprintf(stderr, "invalid arg for afterburner\n"); |
323 | return -1; |
324 | } |
325 | params->afterburner = n; |
326 | break; |
327 | case 'L': |
328 | params->lowdelay_sbr = 1; |
329 | break; |
48e2f01c |
330 | case 'f': |
331 | if (sscanf(optarg, "%u", &n) != 1) { |
332 | fprintf(stderr, "invalid arg for transport-format\n"); |
333 | return -1; |
334 | } |
335 | params->transport_format = n; |
336 | break; |
229c3ead |
337 | case 'C': |
48e2f01c |
338 | params->adts_crc_check = 1; |
339 | break; |
340 | case 'P': |
341 | if (sscanf(optarg, "%u", &n) != 1) { |
342 | fprintf(stderr, "invalid arg for header-period\n"); |
343 | return -1; |
344 | } |
345 | params->header_period = n; |
346 | break; |
347 | case 'o': |
348 | params->output_filename = optarg; |
349 | break; |
d317e29d |
350 | case 'G': |
351 | if (sscanf(optarg, "%u", &n) != 1 || n > 2) { |
352 | fprintf(stderr, "invalid arg for gapless-mode\n"); |
353 | return -1; |
354 | } |
355 | params->gapless_mode = n; |
356 | break; |
be234dc4 |
357 | case OPT_INCLUDE_SBR_DELAY: |
358 | params->include_sbr_delay = 1; |
359 | break; |
48e2f01c |
360 | case 'I': |
361 | params->ignore_length = 1; |
362 | break; |
aa2ca1e3 |
363 | case 'S': |
364 | params->silent = 1; |
365 | break; |
fb2b3635 |
366 | case OPT_MOOV_BEFORE_MDAT: |
367 | params->moov_before_mdat = 1; |
368 | break; |
68543176 |
369 | case 'R': |
370 | params->is_raw = 1; |
371 | break; |
372 | case OPT_RAW_CHANNELS: |
373 | if (sscanf(optarg, "%u", &n) != 1) { |
374 | fprintf(stderr, "invalid arg for raw-channels\n"); |
375 | return -1; |
376 | } |
377 | params->raw_channels = n; |
378 | break; |
379 | case OPT_RAW_RATE: |
380 | if (sscanf(optarg, "%u", &n) != 1) { |
381 | fprintf(stderr, "invalid arg for raw-rate\n"); |
382 | return -1; |
383 | } |
384 | params->raw_rate = n; |
385 | break; |
386 | case OPT_RAW_FORMAT: |
387 | params->raw_format = optarg; |
388 | break; |
48e2f01c |
389 | case M4AF_TAG_TITLE: |
390 | case M4AF_TAG_ARTIST: |
391 | case M4AF_TAG_ALBUM: |
392 | case M4AF_TAG_GENRE: |
393 | case M4AF_TAG_DATE: |
394 | case M4AF_TAG_COMPOSER: |
395 | case M4AF_TAG_GROUPING: |
396 | case M4AF_TAG_COMMENT: |
397 | case M4AF_TAG_ALBUM_ARTIST: |
398 | case M4AF_TAG_TRACK: |
399 | case M4AF_TAG_DISK: |
400 | case M4AF_TAG_TEMPO: |
3b666b75 |
401 | aacenc_add_tag_to_store(¶ms->tags, ch, 0, optarg, |
402 | strlen(optarg), 0); |
c5c45908 |
403 | break; |
404 | case OPT_SHORT_TAG: |
a56831da |
405 | case OPT_SHORT_TAG_FILE: |
c5c45908 |
406 | case OPT_LONG_TAG: |
407 | { |
408 | char *val; |
409 | size_t klen; |
410 | unsigned fcc = M4AF_FOURCC('-','-','-','-'); |
411 | |
412 | if ((val = strchr(optarg, ':')) == 0) { |
413 | fprintf(stderr, "invalid arg for tag\n"); |
414 | return -1; |
415 | } |
416 | *val++ = '\0'; |
a56831da |
417 | if (ch == OPT_SHORT_TAG || ch == OPT_SHORT_TAG_FILE) { |
360cf7dc |
418 | /* |
419 | * take care of U+00A9(COPYRIGHT SIGN). |
420 | * 1) if length of fcc is 3, we prepend '\xa9'. |
421 | * 2) U+00A9 becomes "\xc2\xa9" in UTF-8. Therefore |
422 | * we remove first '\xc2'. |
423 | */ |
424 | if (optarg[0] == '\xc2') |
425 | ++optarg; |
c5c45908 |
426 | if ((klen = strlen(optarg))== 3) |
427 | fcc = 0xa9; |
428 | else if (klen != 4) { |
429 | fprintf(stderr, "invalid arg for tag\n"); |
430 | return -1; |
431 | } |
432 | for (; *optarg; ++optarg) |
433 | fcc = ((fcc << 8) | (*optarg & 0xff)); |
434 | } |
3b666b75 |
435 | aacenc_add_tag_to_store(¶ms->tags, fcc, optarg, |
436 | val, strlen(val), |
437 | ch == OPT_SHORT_TAG_FILE); |
48e2f01c |
438 | } |
48e2f01c |
439 | break; |
cbb23cdb |
440 | case OPT_TAG_FROM_JSON: |
441 | params->json_filename = optarg; |
442 | break; |
48e2f01c |
443 | default: |
444 | return usage(), -1; |
445 | } |
446 | } |
447 | if (argc == optind) |
448 | return usage(), -1; |
68543176 |
449 | |
48e2f01c |
450 | if (!params->bitrate && !params->bitrate_mode) { |
451 | fprintf(stderr, "bitrate or bitrate-mode is mandatory\n"); |
452 | return -1; |
453 | } |
454 | if (params->output_filename && !strcmp(params->output_filename, "-") && |
455 | !params->transport_format) { |
456 | fprintf(stderr, "stdout streaming is not available on M4A output\n"); |
457 | return -1; |
458 | } |
459 | if (params->bitrate && params->bitrate < 10000) |
460 | params->bitrate *= 1000; |
68543176 |
461 | |
462 | if (params->is_raw) { |
463 | if (!params->raw_channels) |
464 | params->raw_channels = 2; |
465 | if (!params->raw_rate) |
466 | params->raw_rate = 44100; |
467 | if (!params->raw_format) |
468 | params->raw_format = "S16L"; |
469 | } |
48e2f01c |
470 | params->input_filename = argv[optind]; |
471 | return 0; |
472 | }; |
473 | |
474 | static |
d533c8e0 |
475 | int write_sample(FILE *ofp, m4af_ctx_t *m4af, aacenc_frame_t *frame) |
48e2f01c |
476 | { |
477 | if (!m4af) { |
d533c8e0 |
478 | fwrite(frame->data, 1, frame->size, ofp); |
5e1168a4 |
479 | if (ferror(ofp)) { |
48e2f01c |
480 | fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno)); |
481 | return -1; |
482 | } |
d533c8e0 |
483 | } else if (m4af_write_sample(m4af, 0, frame->data, frame->size, 0) < 0) { |
48e2f01c |
484 | fprintf(stderr, "ERROR: failed to write m4a sample\n"); |
485 | return -1; |
486 | } |
487 | return 0; |
488 | } |
489 | |
490 | static |
4d48b091 |
491 | int encode(aacenc_param_ex_t *params, pcm_reader_t *reader, |
492 | HANDLE_AACENCODER encoder, uint32_t frame_length, |
493 | m4af_ctx_t *m4af) |
48e2f01c |
494 | { |
4d48b091 |
495 | int16_t *ibuf = 0, *ip; |
d533c8e0 |
496 | aacenc_frame_t obuf[2] = {{ 0 }}, *obp; |
4d48b091 |
497 | unsigned flip = 0; |
48e2f01c |
498 | int nread = 1; |
48e2f01c |
499 | int rc = -1; |
4d48b091 |
500 | int remaining, consumed; |
501 | int frames_written = 0, encoded = 0; |
48e2f01c |
502 | aacenc_progress_t progress = { 0 }; |
2d744bd5 |
503 | const pcm_sample_description_t *fmt = pcm_get_format(reader); |
48e2f01c |
504 | |
2d744bd5 |
505 | ibuf = malloc(frame_length * fmt->bytes_per_frame); |
506 | aacenc_progress_init(&progress, pcm_get_length(reader), fmt->sample_rate); |
4d48b091 |
507 | |
508 | for (;;) { |
509 | /* |
510 | * Since we delay the write, we cannot just exit loop when interrupted. |
511 | * Instead, we regard it as EOF. |
512 | */ |
bd3b4b34 |
513 | if (g_interrupted) |
514 | nread = 0; |
4d48b091 |
515 | if (nread > 0) { |
2d744bd5 |
516 | if ((nread = pcm_read_frames(reader, ibuf, frame_length)) < 0) { |
48e2f01c |
517 | fprintf(stderr, "ERROR: read failed\n"); |
518 | goto END; |
48e2f01c |
519 | } |
4d48b091 |
520 | if (!params->silent) |
2d744bd5 |
521 | aacenc_progress_update(&progress, pcm_get_position(reader), |
522 | fmt->sample_rate * 2); |
48e2f01c |
523 | } |
4d48b091 |
524 | ip = ibuf; |
525 | remaining = nread; |
526 | do { |
527 | obp = &obuf[flip]; |
3b518efd |
528 | consumed = aac_encode_frame(encoder, fmt, ip, remaining, obp); |
4d48b091 |
529 | if (consumed < 0) goto END; |
d533c8e0 |
530 | if (consumed == 0 && obp->size == 0) goto DONE; |
531 | if (obp->size == 0) break; |
4d48b091 |
532 | |
533 | remaining -= consumed; |
534 | ip += consumed * fmt->channels_per_frame; |
535 | flip ^= 1; |
536 | /* |
537 | * As we pad 1 frame at beginning and ending by our extrapolator, |
538 | * we want to drop them. |
539 | * We delay output by 1 frame by double buffering, and discard |
540 | * second frame and final frame from the encoder. |
541 | * Since sbr_header is included in the first frame (in case of |
542 | * SBR), we cannot discard first frame. So we pick second instead. |
543 | */ |
544 | ++encoded; |
545 | if (encoded == 1 || encoded == 3) |
546 | continue; |
547 | obp = &obuf[flip]; |
d533c8e0 |
548 | if (write_sample(params->output_fp, m4af, obp) < 0) |
48e2f01c |
549 | goto END; |
550 | ++frames_written; |
4d48b091 |
551 | } while (remaining > 0); |
552 | } |
553 | DONE: |
554 | if (!params->silent) |
2d744bd5 |
555 | aacenc_progress_finish(&progress, pcm_get_position(reader)); |
48e2f01c |
556 | rc = frames_written; |
557 | END: |
558 | if (ibuf) free(ibuf); |
4d48b091 |
559 | if (obuf[0].data) free(obuf[0].data); |
560 | if (obuf[1].data) free(obuf[1].data); |
48e2f01c |
561 | return rc; |
562 | } |
563 | |
c5c45908 |
564 | static |
e4bbeeb0 |
565 | void put_tool_tag(m4af_ctx_t *m4af, const aacenc_param_ex_t *params, |
c5c45908 |
566 | HANDLE_AACENCODER encoder) |
567 | { |
568 | char tool_info[256]; |
569 | char *p = tool_info; |
570 | LIB_INFO *lib_info = 0; |
571 | |
572 | p += sprintf(p, PROGNAME " %s, ", fdkaac_version); |
573 | |
574 | lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO)); |
575 | if (aacEncGetLibInfo(lib_info) == AACENC_OK) { |
576 | int i; |
577 | for (i = 0; i < FDK_MODULE_LAST; ++i) |
578 | if (lib_info[i].module_id == FDK_AACENC) |
579 | break; |
580 | p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr); |
581 | } |
582 | free(lib_info); |
583 | if (params->bitrate_mode) |
584 | sprintf(p, "VBR mode %d", params->bitrate_mode); |
585 | else |
586 | sprintf(p, "CBR %dkbps", |
587 | aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000); |
588 | |
589 | m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info); |
590 | } |
591 | |
48e2f01c |
592 | static |
e4bbeeb0 |
593 | int finalize_m4a(m4af_ctx_t *m4af, const aacenc_param_ex_t *params, |
48e2f01c |
594 | HANDLE_AACENCODER encoder) |
595 | { |
596 | unsigned i; |
1af8624b |
597 | aacenc_tag_entry_t *tag; |
598 | |
599 | tag = params->source_tags.tag_table; |
600 | for (i = 0; i < params->source_tags.tag_count; ++i, ++tag) |
601 | aacenc_write_tag_entry(m4af, tag); |
cbb23cdb |
602 | |
603 | if (params->json_filename) |
3b666b75 |
604 | aacenc_write_tags_from_json(m4af, params->json_filename); |
cbb23cdb |
605 | |
1af8624b |
606 | tag = params->tags.tag_table; |
cbb23cdb |
607 | for (i = 0; i < params->tags.tag_count; ++i, ++tag) |
3b666b75 |
608 | aacenc_write_tag_entry(m4af, tag); |
c5c45908 |
609 | |
610 | put_tool_tag(m4af, params, encoder); |
48e2f01c |
611 | |
fb2b3635 |
612 | if (m4af_finalize(m4af, params->moov_before_mdat) < 0) { |
48e2f01c |
613 | fprintf(stderr, "ERROR: failed to finalize m4a\n"); |
614 | return -1; |
615 | } |
616 | return 0; |
617 | } |
618 | |
af8fa38d |
619 | static |
620 | char *generate_output_filename(const char *filename, const char *ext) |
621 | { |
622 | char *p = 0; |
623 | size_t ext_len = strlen(ext); |
624 | |
625 | if (strcmp(filename, "-") == 0) { |
626 | p = malloc(ext_len + 6); |
627 | sprintf(p, "stdin%s", ext); |
628 | } else { |
5888fddc |
629 | const char *base = aacenc_basename(filename); |
af8fa38d |
630 | size_t ilen = strlen(base); |
631 | const char *ext_org = strrchr(base, '.'); |
632 | if (ext_org) ilen = ext_org - base; |
633 | p = malloc(ilen + ext_len + 1); |
6709cf69 |
634 | sprintf(p, "%.*s%s", (int)ilen, base, ext); |
af8fa38d |
635 | } |
636 | return p; |
637 | } |
638 | |
68543176 |
639 | static |
640 | int parse_raw_spec(const char *spec, pcm_sample_description_t *desc) |
641 | { |
642 | unsigned bits; |
643 | unsigned char c_type, c_endian = 'L'; |
644 | int type; |
645 | |
646 | if (sscanf(spec, "%c%u%c", &c_type, &bits, &c_endian) < 2) |
647 | return -1; |
648 | c_type = toupper(c_type); |
649 | c_endian = toupper(c_endian); |
650 | |
651 | if (c_type == 'S') |
652 | type = 1; |
653 | else if (c_type == 'U') |
654 | type = 2; |
655 | else if (c_type == 'F') |
656 | type = 4; |
657 | else |
658 | return -1; |
659 | |
660 | if (c_endian == 'B') |
661 | type |= 8; |
662 | else if (c_endian != 'L') |
663 | return -1; |
664 | |
665 | if (c_type == 'F' && bits != 32 && bits != 64) |
666 | return -1; |
667 | if (c_type != 'F' && (bits < 8 || bits > 32)) |
668 | return -1; |
669 | |
670 | desc->sample_type = type; |
671 | desc->bits_per_channel = bits; |
672 | return 0; |
673 | } |
674 | |
29a8f73f |
675 | static pcm_io_vtbl_t pcm_io_vtbl = { |
676 | read_callback, seek_callback, tell_callback |
677 | }; |
3de0e22d |
678 | static pcm_io_vtbl_t pcm_io_vtbl_noseek = { read_callback, 0, tell_callback }; |
29a8f73f |
679 | |
2d744bd5 |
680 | static |
681 | pcm_reader_t *open_input(aacenc_param_ex_t *params) |
682 | { |
29a8f73f |
683 | pcm_io_context_t io = { 0 }; |
2d744bd5 |
684 | pcm_reader_t *reader = 0; |
685 | struct stat stb = { 0 }; |
686 | |
687 | if ((params->input_fp = aacenc_fopen(params->input_filename, "rb")) == 0) { |
688 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params->input_filename, |
689 | strerror(errno)); |
690 | goto END; |
691 | } |
29a8f73f |
692 | io.cookie = params->input_fp; |
f48bf129 |
693 | if (fstat(fileno(params->input_fp), &stb) == 0 |
29a8f73f |
694 | && (stb.st_mode & S_IFMT) == S_IFREG) |
695 | io.vtbl = &pcm_io_vtbl; |
696 | else |
697 | io.vtbl = &pcm_io_vtbl_noseek; |
698 | |
2d744bd5 |
699 | if (params->is_raw) { |
700 | int bytes_per_channel; |
701 | pcm_sample_description_t desc = { 0 }; |
702 | if (parse_raw_spec(params->raw_format, &desc) < 0) { |
703 | fprintf(stderr, "ERROR: invalid raw-format spec\n"); |
704 | goto END; |
705 | } |
706 | desc.sample_rate = params->raw_rate; |
707 | desc.channels_per_frame = params->raw_channels; |
708 | bytes_per_channel = (desc.bits_per_channel + 7) / 8; |
709 | desc.bytes_per_frame = params->raw_channels * bytes_per_channel; |
29a8f73f |
710 | if ((reader = raw_open(&io, &desc)) == 0) { |
2d744bd5 |
711 | fprintf(stderr, "ERROR: failed to open raw input\n"); |
712 | goto END; |
713 | } |
714 | } else { |
1af8624b |
715 | int c; |
716 | ungetc(c = getc(params->input_fp), params->input_fp); |
717 | |
718 | switch (c) { |
719 | case 'R': |
720 | if ((reader = wav_open(&io, params->ignore_length)) == 0) { |
721 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); |
722 | goto END; |
723 | } |
724 | break; |
725 | case 'c': |
726 | params->source_tag_ctx.add = aacenc_add_tag_entry_to_store; |
727 | params->source_tag_ctx.add_ctx = ¶ms->source_tags; |
728 | if ((reader = caf_open(&io, |
729 | aacenc_translate_generic_text_tag, |
730 | ¶ms->source_tag_ctx)) == 0) { |
731 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); |
732 | goto END; |
733 | } |
734 | break; |
735 | default: |
4d48b091 |
736 | fprintf(stderr, "ERROR: unsupported input file\n"); |
2d744bd5 |
737 | goto END; |
738 | } |
739 | } |
4d48b091 |
740 | if ((reader = pcm_open_sint16_converter(reader)) != 0) |
741 | reader = extrapolater_open(reader); |
742 | return reader; |
2d744bd5 |
743 | END: |
e8e9f79e |
744 | return 0; |
2d744bd5 |
745 | } |
746 | |
48e2f01c |
747 | int main(int argc, char **argv) |
748 | { |
2d744bd5 |
749 | static m4af_io_callbacks_t m4af_io = { |
750 | read_callback, write_callback, seek_callback, tell_callback |
751 | }; |
48e2f01c |
752 | aacenc_param_ex_t params = { 0 }; |
753 | |
754 | int result = 2; |
48e2f01c |
755 | char *output_filename = 0; |
2d744bd5 |
756 | pcm_reader_t *reader = 0; |
48e2f01c |
757 | HANDLE_AACENCODER encoder = 0; |
758 | AACENC_InfoStruct aacinfo = { 0 }; |
e4bbeeb0 |
759 | m4af_ctx_t *m4af = 0; |
48e2f01c |
760 | const pcm_sample_description_t *sample_format; |
761 | int downsampled_timescale = 0; |
762 | int frame_count = 0; |
9b8f9915 |
763 | int sbr_mode = 0; |
48e2f01c |
764 | |
765 | setlocale(LC_CTYPE, ""); |
766 | setbuf(stderr, 0); |
767 | |
768 | if (parse_options(argc, argv, ¶ms) < 0) |
769 | return 1; |
770 | |
2d744bd5 |
771 | if ((reader = open_input(¶ms)) == 0) |
48e2f01c |
772 | goto END; |
2d744bd5 |
773 | |
774 | sample_format = pcm_get_format(reader); |
48e2f01c |
775 | |
9b8f9915 |
776 | /* |
777 | * We use explicit/hierarchical signaling for LOAS. |
778 | * Other than that, we request implicit signaling to FDK library, then |
779 | * append explicit/backward-compatible signaling to ASC in case of MP4FF. |
780 | * |
781 | * Explicit/backward-compatible signaling of SBR is the most recommended |
782 | * way in MPEG4 part3 spec, and seems the only way supported by iTunes. |
783 | * Since FDK library does not support it, we have to do it on our side. |
784 | */ |
785 | params.sbr_signaling = (params.transport_format == TT_MP4_LOAS) ? 2 : 0; |
786 | |
48e2f01c |
787 | if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format, |
788 | &aacinfo) < 0) |
789 | goto END; |
790 | |
791 | if (!params.output_filename) { |
af8fa38d |
792 | const char *ext = params.transport_format ? ".aac" : ".m4a"; |
793 | output_filename = generate_output_filename(params.input_filename, ext); |
48e2f01c |
794 | params.output_filename = output_filename; |
795 | } |
796 | |
2d744bd5 |
797 | if ((params.output_fp = aacenc_fopen(params.output_filename, "wb+")) == 0) { |
48e2f01c |
798 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename, |
799 | strerror(errno)); |
800 | goto END; |
801 | } |
bd3b4b34 |
802 | handle_signals(); |
9b8f9915 |
803 | sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms); |
48e2f01c |
804 | if (!params.transport_format) { |
805 | uint32_t scale; |
9b8f9915 |
806 | uint8_t mp4asc[32]; |
807 | uint32_t ascsize = sizeof(mp4asc); |
48e2f01c |
808 | unsigned framelen = aacinfo.frameLength; |
9b8f9915 |
809 | if (sbr_mode) |
7b1f2136 |
810 | downsampled_timescale = 1; |
48e2f01c |
811 | scale = sample_format->sample_rate >> downsampled_timescale; |
2d744bd5 |
812 | if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, |
813 | params.output_fp)) < 0) |
48e2f01c |
814 | goto END; |
9b8f9915 |
815 | aacenc_mp4asc((aacenc_param_t*)¶ms, aacinfo.confBuf, |
816 | aacinfo.confSize, mp4asc, &ascsize); |
817 | m4af_set_decoder_specific_info(m4af, 0, mp4asc, ascsize); |
48e2f01c |
818 | m4af_set_fixed_frame_duration(m4af, 0, |
819 | framelen >> downsampled_timescale); |
2f6fc566 |
820 | m4af_set_vbr_mode(m4af, 0, params.bitrate_mode); |
d317e29d |
821 | m4af_set_priming_mode(m4af, params.gapless_mode + 1); |
48e2f01c |
822 | m4af_begin_write(m4af); |
823 | } |
c5eec155 |
824 | if (sbr_mode && (aacinfo.encoderDelay & 1)) { |
825 | /* |
826 | * Since odd delay cannot be exactly expressed in downsampled scale, |
827 | * we push one zero frame to the encoder here, to make delay even |
828 | */ |
829 | int16_t zero[8] = { 0 }; |
d533c8e0 |
830 | aacenc_frame_t frame = { 0 }; |
831 | aac_encode_frame(encoder, sample_format, zero, 1, &frame); |
832 | free(frame.data); |
c5eec155 |
833 | } |
4d48b091 |
834 | frame_count = encode(¶ms, reader, encoder, aacinfo.frameLength, m4af); |
48e2f01c |
835 | if (frame_count < 0) |
836 | goto END; |
837 | if (m4af) { |
838 | uint32_t delay = aacinfo.encoderDelay; |
be234dc4 |
839 | uint32_t padding; |
2d744bd5 |
840 | int64_t frames_read = pcm_get_position(reader); |
be234dc4 |
841 | |
842 | if (sbr_mode && params.profile != AOT_ER_AAC_ELD && |
843 | !params.include_sbr_delay) |
844 | delay -= 481 << 1; |
845 | if (sbr_mode && (delay & 1)) |
846 | ++delay; |
847 | padding = frame_count * aacinfo.frameLength - frames_read - delay; |
48e2f01c |
848 | m4af_set_priming(m4af, 0, delay >> downsampled_timescale, |
849 | padding >> downsampled_timescale); |
850 | if (finalize_m4a(m4af, ¶ms, encoder) < 0) |
851 | goto END; |
852 | } |
853 | result = 0; |
854 | END: |
2d744bd5 |
855 | if (reader) pcm_teardown(&reader); |
856 | if (params.input_fp) fclose(params.input_fp); |
48e2f01c |
857 | if (m4af) m4af_teardown(&m4af); |
2d744bd5 |
858 | if (params.output_fp) fclose(params.output_fp); |
48e2f01c |
859 | if (encoder) aacEncClose(&encoder); |
860 | if (output_filename) free(output_filename); |
1af8624b |
861 | if (params.tags.tag_table) |
862 | aacenc_free_tag_store(¶ms.tags); |
863 | if (params.source_tags.tag_table) |
864 | aacenc_free_tag_store(¶ms.source_tags); |
48e2f01c |
865 | |
866 | return result; |
867 | } |