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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 | |
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 | |
e4bbeeb0 | 475 | int write_sample(FILE *ofp, m4af_ctx_t *m4af, |
48e2f01c | 476 | const void *data, uint32_t size, uint32_t duration) |
477 | { | |
478 | if (!m4af) { | |
5e1168a4 | 479 | fwrite(data, 1, size, ofp); |
480 | if (ferror(ofp)) { | |
48e2f01c | 481 | fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno)); |
482 | return -1; | |
483 | } | |
484 | } else if (m4af_write_sample(m4af, 0, data, size, duration) < 0) { | |
485 | fprintf(stderr, "ERROR: failed to write m4a sample\n"); | |
486 | return -1; | |
487 | } | |
488 | return 0; | |
489 | } | |
490 | ||
491 | static | |
4d48b091 | 492 | int encode(aacenc_param_ex_t *params, pcm_reader_t *reader, |
493 | HANDLE_AACENCODER encoder, uint32_t frame_length, | |
494 | m4af_ctx_t *m4af) | |
48e2f01c | 495 | { |
4d48b091 | 496 | struct buffer_t { |
497 | uint8_t *data; | |
498 | uint32_t len, size; | |
499 | }; | |
500 | int16_t *ibuf = 0, *ip; | |
501 | struct buffer_t obuf[2] = {{ 0 }}, *obp; | |
502 | unsigned flip = 0; | |
48e2f01c | 503 | int nread = 1; |
48e2f01c | 504 | int rc = -1; |
4d48b091 | 505 | int remaining, consumed; |
506 | int frames_written = 0, encoded = 0; | |
48e2f01c | 507 | aacenc_progress_t progress = { 0 }; |
2d744bd5 | 508 | const pcm_sample_description_t *fmt = pcm_get_format(reader); |
48e2f01c | 509 | |
2d744bd5 | 510 | ibuf = malloc(frame_length * fmt->bytes_per_frame); |
511 | aacenc_progress_init(&progress, pcm_get_length(reader), fmt->sample_rate); | |
4d48b091 | 512 | |
513 | for (;;) { | |
514 | /* | |
515 | * Since we delay the write, we cannot just exit loop when interrupted. | |
516 | * Instead, we regard it as EOF. | |
517 | */ | |
bd3b4b34 | 518 | if (g_interrupted) |
519 | nread = 0; | |
4d48b091 | 520 | if (nread > 0) { |
2d744bd5 | 521 | if ((nread = pcm_read_frames(reader, ibuf, frame_length)) < 0) { |
48e2f01c | 522 | fprintf(stderr, "ERROR: read failed\n"); |
523 | goto END; | |
48e2f01c | 524 | } |
4d48b091 | 525 | if (!params->silent) |
2d744bd5 | 526 | aacenc_progress_update(&progress, pcm_get_position(reader), |
527 | fmt->sample_rate * 2); | |
48e2f01c | 528 | } |
4d48b091 | 529 | ip = ibuf; |
530 | remaining = nread; | |
531 | do { | |
532 | obp = &obuf[flip]; | |
533 | consumed = aac_encode_frame(encoder, fmt, ip, remaining, | |
534 | &obp->data, &obp->len, &obp->size); | |
535 | if (consumed < 0) goto END; | |
536 | if (consumed == 0 && obp->len == 0) goto DONE; | |
537 | if (obp->len == 0) break; | |
538 | ||
539 | remaining -= consumed; | |
540 | ip += consumed * fmt->channels_per_frame; | |
541 | flip ^= 1; | |
542 | /* | |
543 | * As we pad 1 frame at beginning and ending by our extrapolator, | |
544 | * we want to drop them. | |
545 | * We delay output by 1 frame by double buffering, and discard | |
546 | * second frame and final frame from the encoder. | |
547 | * Since sbr_header is included in the first frame (in case of | |
548 | * SBR), we cannot discard first frame. So we pick second instead. | |
549 | */ | |
550 | ++encoded; | |
551 | if (encoded == 1 || encoded == 3) | |
552 | continue; | |
553 | obp = &obuf[flip]; | |
554 | if (write_sample(params->output_fp, m4af, obp->data, obp->len, | |
555 | frame_length) < 0) | |
48e2f01c | 556 | goto END; |
557 | ++frames_written; | |
4d48b091 | 558 | } while (remaining > 0); |
559 | } | |
560 | DONE: | |
561 | if (!params->silent) | |
2d744bd5 | 562 | aacenc_progress_finish(&progress, pcm_get_position(reader)); |
48e2f01c | 563 | rc = frames_written; |
564 | END: | |
565 | if (ibuf) free(ibuf); | |
4d48b091 | 566 | if (obuf[0].data) free(obuf[0].data); |
567 | if (obuf[1].data) free(obuf[1].data); | |
48e2f01c | 568 | return rc; |
569 | } | |
570 | ||
c5c45908 | 571 | static |
e4bbeeb0 | 572 | void put_tool_tag(m4af_ctx_t *m4af, const aacenc_param_ex_t *params, |
c5c45908 | 573 | HANDLE_AACENCODER encoder) |
574 | { | |
575 | char tool_info[256]; | |
576 | char *p = tool_info; | |
577 | LIB_INFO *lib_info = 0; | |
578 | ||
579 | p += sprintf(p, PROGNAME " %s, ", fdkaac_version); | |
580 | ||
581 | lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO)); | |
582 | if (aacEncGetLibInfo(lib_info) == AACENC_OK) { | |
583 | int i; | |
584 | for (i = 0; i < FDK_MODULE_LAST; ++i) | |
585 | if (lib_info[i].module_id == FDK_AACENC) | |
586 | break; | |
587 | p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr); | |
588 | } | |
589 | free(lib_info); | |
590 | if (params->bitrate_mode) | |
591 | sprintf(p, "VBR mode %d", params->bitrate_mode); | |
592 | else | |
593 | sprintf(p, "CBR %dkbps", | |
594 | aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000); | |
595 | ||
596 | m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info); | |
597 | } | |
598 | ||
48e2f01c | 599 | static |
e4bbeeb0 | 600 | int finalize_m4a(m4af_ctx_t *m4af, const aacenc_param_ex_t *params, |
48e2f01c | 601 | HANDLE_AACENCODER encoder) |
602 | { | |
603 | unsigned i; | |
1af8624b | 604 | aacenc_tag_entry_t *tag; |
605 | ||
606 | tag = params->source_tags.tag_table; | |
607 | for (i = 0; i < params->source_tags.tag_count; ++i, ++tag) | |
608 | aacenc_write_tag_entry(m4af, tag); | |
cbb23cdb | 609 | |
610 | if (params->json_filename) | |
3b666b75 | 611 | aacenc_write_tags_from_json(m4af, params->json_filename); |
cbb23cdb | 612 | |
1af8624b | 613 | tag = params->tags.tag_table; |
cbb23cdb | 614 | for (i = 0; i < params->tags.tag_count; ++i, ++tag) |
3b666b75 | 615 | aacenc_write_tag_entry(m4af, tag); |
c5c45908 | 616 | |
617 | put_tool_tag(m4af, params, encoder); | |
48e2f01c | 618 | |
fb2b3635 | 619 | if (m4af_finalize(m4af, params->moov_before_mdat) < 0) { |
48e2f01c | 620 | fprintf(stderr, "ERROR: failed to finalize m4a\n"); |
621 | return -1; | |
622 | } | |
623 | return 0; | |
624 | } | |
625 | ||
af8fa38d | 626 | static |
627 | char *generate_output_filename(const char *filename, const char *ext) | |
628 | { | |
629 | char *p = 0; | |
630 | size_t ext_len = strlen(ext); | |
631 | ||
632 | if (strcmp(filename, "-") == 0) { | |
633 | p = malloc(ext_len + 6); | |
634 | sprintf(p, "stdin%s", ext); | |
635 | } else { | |
5888fddc | 636 | const char *base = aacenc_basename(filename); |
af8fa38d | 637 | size_t ilen = strlen(base); |
638 | const char *ext_org = strrchr(base, '.'); | |
639 | if (ext_org) ilen = ext_org - base; | |
640 | p = malloc(ilen + ext_len + 1); | |
6709cf69 | 641 | sprintf(p, "%.*s%s", (int)ilen, base, ext); |
af8fa38d | 642 | } |
643 | return p; | |
644 | } | |
645 | ||
68543176 | 646 | static |
647 | int parse_raw_spec(const char *spec, pcm_sample_description_t *desc) | |
648 | { | |
649 | unsigned bits; | |
650 | unsigned char c_type, c_endian = 'L'; | |
651 | int type; | |
652 | ||
653 | if (sscanf(spec, "%c%u%c", &c_type, &bits, &c_endian) < 2) | |
654 | return -1; | |
655 | c_type = toupper(c_type); | |
656 | c_endian = toupper(c_endian); | |
657 | ||
658 | if (c_type == 'S') | |
659 | type = 1; | |
660 | else if (c_type == 'U') | |
661 | type = 2; | |
662 | else if (c_type == 'F') | |
663 | type = 4; | |
664 | else | |
665 | return -1; | |
666 | ||
667 | if (c_endian == 'B') | |
668 | type |= 8; | |
669 | else if (c_endian != 'L') | |
670 | return -1; | |
671 | ||
672 | if (c_type == 'F' && bits != 32 && bits != 64) | |
673 | return -1; | |
674 | if (c_type != 'F' && (bits < 8 || bits > 32)) | |
675 | return -1; | |
676 | ||
677 | desc->sample_type = type; | |
678 | desc->bits_per_channel = bits; | |
679 | return 0; | |
680 | } | |
681 | ||
29a8f73f | 682 | static pcm_io_vtbl_t pcm_io_vtbl = { |
683 | read_callback, seek_callback, tell_callback | |
684 | }; | |
685 | static pcm_io_vtbl_t pcm_io_vtbl_noseek = { read_callback, 0, 0 }; | |
686 | ||
2d744bd5 | 687 | static |
688 | pcm_reader_t *open_input(aacenc_param_ex_t *params) | |
689 | { | |
29a8f73f | 690 | pcm_io_context_t io = { 0 }; |
2d744bd5 | 691 | pcm_reader_t *reader = 0; |
692 | struct stat stb = { 0 }; | |
693 | ||
694 | if ((params->input_fp = aacenc_fopen(params->input_filename, "rb")) == 0) { | |
695 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params->input_filename, | |
696 | strerror(errno)); | |
697 | goto END; | |
698 | } | |
29a8f73f | 699 | io.cookie = params->input_fp; |
f48bf129 | 700 | if (fstat(fileno(params->input_fp), &stb) == 0 |
29a8f73f | 701 | && (stb.st_mode & S_IFMT) == S_IFREG) |
702 | io.vtbl = &pcm_io_vtbl; | |
703 | else | |
704 | io.vtbl = &pcm_io_vtbl_noseek; | |
705 | ||
2d744bd5 | 706 | if (params->is_raw) { |
707 | int bytes_per_channel; | |
708 | pcm_sample_description_t desc = { 0 }; | |
709 | if (parse_raw_spec(params->raw_format, &desc) < 0) { | |
710 | fprintf(stderr, "ERROR: invalid raw-format spec\n"); | |
711 | goto END; | |
712 | } | |
713 | desc.sample_rate = params->raw_rate; | |
714 | desc.channels_per_frame = params->raw_channels; | |
715 | bytes_per_channel = (desc.bits_per_channel + 7) / 8; | |
716 | desc.bytes_per_frame = params->raw_channels * bytes_per_channel; | |
29a8f73f | 717 | if ((reader = raw_open(&io, &desc)) == 0) { |
2d744bd5 | 718 | fprintf(stderr, "ERROR: failed to open raw input\n"); |
719 | goto END; | |
720 | } | |
721 | } else { | |
1af8624b | 722 | int c; |
723 | ungetc(c = getc(params->input_fp), params->input_fp); | |
724 | ||
725 | switch (c) { | |
726 | case 'R': | |
727 | if ((reader = wav_open(&io, params->ignore_length)) == 0) { | |
728 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); | |
729 | goto END; | |
730 | } | |
731 | break; | |
732 | case 'c': | |
733 | params->source_tag_ctx.add = aacenc_add_tag_entry_to_store; | |
734 | params->source_tag_ctx.add_ctx = ¶ms->source_tags; | |
735 | if ((reader = caf_open(&io, | |
736 | aacenc_translate_generic_text_tag, | |
737 | ¶ms->source_tag_ctx)) == 0) { | |
738 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); | |
739 | goto END; | |
740 | } | |
741 | break; | |
742 | default: | |
4d48b091 | 743 | fprintf(stderr, "ERROR: unsupported input file\n"); |
2d744bd5 | 744 | goto END; |
745 | } | |
746 | } | |
4d48b091 | 747 | if ((reader = pcm_open_sint16_converter(reader)) != 0) |
748 | reader = extrapolater_open(reader); | |
749 | return reader; | |
2d744bd5 | 750 | END: |
e8e9f79e | 751 | return 0; |
2d744bd5 | 752 | } |
753 | ||
48e2f01c | 754 | int main(int argc, char **argv) |
755 | { | |
2d744bd5 | 756 | static m4af_io_callbacks_t m4af_io = { |
757 | read_callback, write_callback, seek_callback, tell_callback | |
758 | }; | |
48e2f01c | 759 | aacenc_param_ex_t params = { 0 }; |
760 | ||
761 | int result = 2; | |
48e2f01c | 762 | char *output_filename = 0; |
2d744bd5 | 763 | pcm_reader_t *reader = 0; |
48e2f01c | 764 | HANDLE_AACENCODER encoder = 0; |
765 | AACENC_InfoStruct aacinfo = { 0 }; | |
e4bbeeb0 | 766 | m4af_ctx_t *m4af = 0; |
48e2f01c | 767 | const pcm_sample_description_t *sample_format; |
768 | int downsampled_timescale = 0; | |
769 | int frame_count = 0; | |
9b8f9915 | 770 | int sbr_mode = 0; |
48e2f01c | 771 | |
772 | setlocale(LC_CTYPE, ""); | |
773 | setbuf(stderr, 0); | |
774 | ||
775 | if (parse_options(argc, argv, ¶ms) < 0) | |
776 | return 1; | |
777 | ||
2d744bd5 | 778 | if ((reader = open_input(¶ms)) == 0) |
48e2f01c | 779 | goto END; |
2d744bd5 | 780 | |
781 | sample_format = pcm_get_format(reader); | |
48e2f01c | 782 | |
9b8f9915 | 783 | /* |
784 | * We use explicit/hierarchical signaling for LOAS. | |
785 | * Other than that, we request implicit signaling to FDK library, then | |
786 | * append explicit/backward-compatible signaling to ASC in case of MP4FF. | |
787 | * | |
788 | * Explicit/backward-compatible signaling of SBR is the most recommended | |
789 | * way in MPEG4 part3 spec, and seems the only way supported by iTunes. | |
790 | * Since FDK library does not support it, we have to do it on our side. | |
791 | */ | |
792 | params.sbr_signaling = (params.transport_format == TT_MP4_LOAS) ? 2 : 0; | |
793 | ||
48e2f01c | 794 | if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format, |
795 | &aacinfo) < 0) | |
796 | goto END; | |
797 | ||
798 | if (!params.output_filename) { | |
af8fa38d | 799 | const char *ext = params.transport_format ? ".aac" : ".m4a"; |
800 | output_filename = generate_output_filename(params.input_filename, ext); | |
48e2f01c | 801 | params.output_filename = output_filename; |
802 | } | |
803 | ||
2d744bd5 | 804 | if ((params.output_fp = aacenc_fopen(params.output_filename, "wb+")) == 0) { |
48e2f01c | 805 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename, |
806 | strerror(errno)); | |
807 | goto END; | |
808 | } | |
bd3b4b34 | 809 | handle_signals(); |
9b8f9915 | 810 | sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms); |
48e2f01c | 811 | if (!params.transport_format) { |
812 | uint32_t scale; | |
9b8f9915 | 813 | uint8_t mp4asc[32]; |
814 | uint32_t ascsize = sizeof(mp4asc); | |
48e2f01c | 815 | unsigned framelen = aacinfo.frameLength; |
9b8f9915 | 816 | if (sbr_mode) |
7b1f2136 | 817 | downsampled_timescale = 1; |
48e2f01c | 818 | scale = sample_format->sample_rate >> downsampled_timescale; |
2d744bd5 | 819 | if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, |
820 | params.output_fp)) < 0) | |
48e2f01c | 821 | goto END; |
9b8f9915 | 822 | aacenc_mp4asc((aacenc_param_t*)¶ms, aacinfo.confBuf, |
823 | aacinfo.confSize, mp4asc, &ascsize); | |
824 | m4af_set_decoder_specific_info(m4af, 0, mp4asc, ascsize); | |
48e2f01c | 825 | m4af_set_fixed_frame_duration(m4af, 0, |
826 | framelen >> downsampled_timescale); | |
2f6fc566 | 827 | m4af_set_vbr_mode(m4af, 0, params.bitrate_mode); |
d317e29d | 828 | m4af_set_priming_mode(m4af, params.gapless_mode + 1); |
48e2f01c | 829 | m4af_begin_write(m4af); |
830 | } | |
4d48b091 | 831 | frame_count = encode(¶ms, reader, encoder, aacinfo.frameLength, m4af); |
48e2f01c | 832 | if (frame_count < 0) |
833 | goto END; | |
834 | if (m4af) { | |
835 | uint32_t delay = aacinfo.encoderDelay; | |
be234dc4 | 836 | uint32_t padding; |
2d744bd5 | 837 | int64_t frames_read = pcm_get_position(reader); |
be234dc4 | 838 | |
839 | if (sbr_mode && params.profile != AOT_ER_AAC_ELD && | |
840 | !params.include_sbr_delay) | |
841 | delay -= 481 << 1; | |
842 | if (sbr_mode && (delay & 1)) | |
843 | ++delay; | |
844 | padding = frame_count * aacinfo.frameLength - frames_read - delay; | |
48e2f01c | 845 | m4af_set_priming(m4af, 0, delay >> downsampled_timescale, |
846 | padding >> downsampled_timescale); | |
847 | if (finalize_m4a(m4af, ¶ms, encoder) < 0) | |
848 | goto END; | |
849 | } | |
850 | result = 0; | |
851 | END: | |
2d744bd5 | 852 | if (reader) pcm_teardown(&reader); |
853 | if (params.input_fp) fclose(params.input_fp); | |
48e2f01c | 854 | if (m4af) m4af_teardown(&m4af); |
2d744bd5 | 855 | if (params.output_fp) fclose(params.output_fp); |
48e2f01c | 856 | if (encoder) aacEncClose(&encoder); |
857 | if (output_filename) free(output_filename); | |
1af8624b | 858 | if (params.tags.tag_table) |
859 | aacenc_free_tag_store(¶ms.tags); | |
860 | if (params.source_tags.tag_table) | |
861 | aacenc_free_tag_store(¶ms.source_tags); | |
48e2f01c | 862 | |
863 | return result; | |
864 | } |