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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 | |
11 | #if HAVE_INTTYPES_H | |
12 | # include <inttypes.h> | |
13 | #elif defined(_MSC_VER) | |
14 | # define SCNd64 "I64d" | |
15 | #endif | |
16 | #include <stdio.h> | |
17 | #include <stdlib.h> | |
18 | #include <string.h> | |
19 | #include <ctype.h> | |
20 | #include <locale.h> | |
21 | #include <errno.h> | |
22 | #include <sys/stat.h> | |
23 | #include <getopt.h> | |
24 | #if HAVE_UNISTD_H | |
25 | #include <unistd.h> | |
26 | #endif | |
27 | #if HAVE_SIGACTION | |
28 | #include <signal.h> | |
29 | #endif | |
30 | #ifdef _WIN32 | |
31 | #include <io.h> | |
32 | #define WIN32_LEAN_AND_MEAN | |
33 | #include <windows.h> | |
34 | #endif | |
35 | #include "compat.h" | |
36 | #include "wav_reader.h" | |
37 | #include "caf_reader.h" | |
38 | #include "aacenc.h" | |
39 | #include "m4af.h" | |
40 | #include "progress.h" | |
41 | #include "version.h" | |
42 | #include "metadata.h" | |
43 | ||
44 | #define PROGNAME "fdkaac" | |
45 | ||
46 | static volatile int g_interrupted = 0; | |
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; | |
58 | memset(&sa, 0, sizeof sa); | |
59 | sa.sa_handler = signal_handler; | |
60 | sa.sa_flags |= SA_RESTART; | |
61 | sigaction(sigs[i], &sa, 0); | |
62 | } | |
63 | } | |
64 | #elif defined(_WIN32) | |
65 | static BOOL WINAPI signal_handler(DWORD type) | |
66 | { | |
67 | g_interrupted = 1; | |
68 | return TRUE; | |
69 | } | |
70 | ||
71 | static void handle_signals(void) | |
72 | { | |
73 | SetConsoleCtrlHandler(signal_handler, TRUE); | |
74 | } | |
75 | #else | |
76 | static void handle_signals(void) | |
77 | { | |
78 | } | |
79 | #endif | |
80 | ||
81 | static | |
82 | int read_callback(void *cookie, void *data, uint32_t size) | |
83 | { | |
84 | size_t rc = fread(data, 1, size, (FILE*)cookie); | |
85 | return ferror((FILE*)cookie) ? -1 : (int)rc; | |
86 | } | |
87 | ||
88 | static | |
89 | int write_callback(void *cookie, const void *data, uint32_t size) | |
90 | { | |
91 | size_t rc = fwrite(data, 1, size, (FILE*)cookie); | |
92 | return ferror((FILE*)cookie) ? -1 : (int)rc; | |
93 | } | |
94 | ||
95 | static | |
96 | int seek_callback(void *cookie, int64_t off, int whence) | |
97 | { | |
98 | return fseeko((FILE*)cookie, off, whence); | |
99 | } | |
100 | ||
101 | static | |
102 | int64_t tell_callback(void *cookie) | |
103 | { | |
104 | return ftello((FILE*)cookie); | |
105 | } | |
106 | ||
107 | static | |
108 | void usage(void) | |
109 | { | |
110 | printf( | |
111 | PROGNAME " %s\n" | |
112 | "Usage: " PROGNAME " [options] input_file\n" | |
113 | "Options:\n" | |
114 | " -h, --help Print this help message\n" | |
115 | " -p, --profile <n> Profile (audio object type)\n" | |
116 | " 2: MPEG-4 AAC LC (default)\n" | |
117 | " 5: MPEG-4 HE-AAC (SBR)\n" | |
118 | " 29: MPEG-4 HE-AAC v2 (SBR+PS)\n" | |
119 | " 23: MPEG-4 AAC LD\n" | |
120 | " 39: MPEG-4 AAC ELD\n" | |
121 | " 129: MPEG-2 AAC LC\n" | |
122 | " 132: MPEG-2 HE-AAC (SBR)\n" | |
123 | " 156: MPEG-2 HE-AAC v2 (SBR+PS)\n" | |
124 | " -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n" | |
125 | " -m, --bitrate-mode <n> Bitrate configuration\n" | |
126 | " 0: CBR (default)\n" | |
127 | " 1-5: VBR\n" | |
128 | " (VBR mode is not officially supported, and\n" | |
129 | " works only on a certain combination of\n" | |
130 | " parameter settings, sample rate, and\n" | |
131 | " channel configuration)\n" | |
132 | " -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n" | |
133 | " -a, --afterburner <n> Afterburner\n" | |
134 | " 0: Off\n" | |
135 | " 1: On(default)\n" | |
136 | " -L, --lowdelay-sbr <-1|0|1> Configure SBR activity on AAC ELD\n" | |
137 | " -1: Use ELD SBR auto configurator\n" | |
138 | " 0: Disable SBR on ELD (default)\n" | |
139 | " 1: Enable SBR on ELD\n" | |
140 | " -s, --sbr-ratio <0|1|2> Controls activation of downsampled SBR\n" | |
141 | " 0: Use lib default (default)\n" | |
142 | " 1: downsampled SBR (default for ELD+SBR)\n" | |
143 | " 2: dual-rate SBR (default for HE-AAC)\n" | |
144 | " -f, --transport-format <n> Transport format\n" | |
145 | " 0: RAW (default, muxed into M4A)\n" | |
146 | " 1: ADIF\n" | |
147 | " 2: ADTS\n" | |
148 | " 6: LATM MCP=1\n" | |
149 | " 7: LATM MCP=0\n" | |
150 | " 10: LOAS/LATM (LATM within LOAS)\n" | |
151 | " -C, --adts-crc-check Add CRC protection on ADTS header\n" | |
152 | " -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n" | |
153 | " transport layer\n" | |
154 | "\n" | |
155 | " -o <filename> Output filename\n" | |
156 | " -G, --gapless-mode <n> Encoder delay signaling for gapless playback\n" | |
157 | " 0: iTunSMPB (default)\n" | |
158 | " 1: ISO standard (edts + sgpd)\n" | |
159 | " 2: Both\n" | |
160 | " --include-sbr-delay Count SBR decoder delay in encoder delay\n" | |
161 | " This is not iTunes compatible, but is default\n" | |
162 | " behavior of FDK library.\n" | |
163 | " -I, --ignorelength Ignore length of WAV header\n" | |
164 | " -S, --silent Don't print progress messages\n" | |
165 | " --moov-before-mdat Place moov box before mdat box on m4a output\n" | |
166 | "\n" | |
167 | "Options for raw (headerless) input:\n" | |
168 | " -R, --raw Treat input as raw (by default WAV is\n" | |
169 | " assumed)\n" | |
170 | " --raw-channels <n> Number of channels (default: 2)\n" | |
171 | " --raw-rate <n> Sample rate (default: 44100)\n" | |
172 | " --raw-format <spec> Sample format, default is \"S16L\".\n" | |
173 | " Spec is as follows:\n" | |
174 | " 1st char: S(igned)|U(nsigned)|F(loat)\n" | |
175 | " 2nd part: bits per channel\n" | |
176 | " Last char: L(ittle)|B(ig)\n" | |
177 | " Last char can be omitted, in which case L is\n" | |
178 | " assumed. Spec is case insensitive, therefore\n" | |
179 | " \"u16b\" is same as \"U16B\".\n" | |
180 | "\n" | |
181 | "Tagging options:\n" | |
182 | " --title <string>\n" | |
183 | " --artist <string>\n" | |
184 | " --album <string>\n" | |
185 | " --genre <string>\n" | |
186 | " --date <string>\n" | |
187 | " --composer <string>\n" | |
188 | " --grouping <string>\n" | |
189 | " --comment <string>\n" | |
190 | " --album-artist <string>\n" | |
191 | " --track <number[/total]>\n" | |
192 | " --disk <number[/total]>\n" | |
193 | " --tempo <n>\n" | |
194 | " --tag <fcc>:<value> Set iTunes predefined tag with four char code.\n" | |
195 | " --tag-from-file <fcc>:<filename>\n" | |
196 | " Same as above, but value is read from file.\n" | |
197 | " --long-tag <name>:<value> Set arbitrary tag as iTunes custom metadata.\n" | |
198 | " --tag-from-json <filename[?dot_notation]>\n" | |
199 | " Read tags from JSON. By default, tags are\n" | |
200 | " assumed to be direct children of the root\n" | |
201 | " object(dictionary).\n" | |
202 | " Optionally, position of the dictionary\n" | |
203 | " that contains tags can be specified with\n" | |
204 | " dotted notation.\n" | |
205 | " Example:\n" | |
206 | " --tag-from-json /path/to/json?format.tags\n" | |
207 | , fdkaac_version); | |
208 | } | |
209 | ||
210 | typedef struct aacenc_param_ex_t { | |
211 | AACENC_PARAMS | |
212 | ||
213 | char *input_filename; | |
214 | FILE *input_fp; | |
215 | char *output_filename; | |
216 | FILE *output_fp; | |
217 | unsigned gapless_mode; | |
218 | unsigned include_sbr_delay; | |
219 | unsigned ignore_length; | |
220 | int silent; | |
221 | int moov_before_mdat; | |
222 | ||
223 | int is_raw; | |
224 | unsigned raw_channels; | |
225 | unsigned raw_rate; | |
226 | const char *raw_format; | |
227 | ||
228 | aacenc_tag_store_t tags; | |
229 | aacenc_tag_store_t source_tags; | |
230 | aacenc_translate_generic_text_tag_ctx_t source_tag_ctx; | |
231 | ||
232 | char *json_filename; | |
233 | } aacenc_param_ex_t; | |
234 | ||
235 | static | |
236 | int parse_options(int argc, char **argv, aacenc_param_ex_t *params) | |
237 | { | |
238 | int ch; | |
239 | int n; | |
240 | ||
241 | #define OPT_INCLUDE_SBR_DELAY M4AF_FOURCC('s','d','l','y') | |
242 | #define OPT_MOOV_BEFORE_MDAT M4AF_FOURCC('m','o','o','v') | |
243 | #define OPT_RAW_CHANNELS M4AF_FOURCC('r','c','h','n') | |
244 | #define OPT_RAW_RATE M4AF_FOURCC('r','r','a','t') | |
245 | #define OPT_RAW_FORMAT M4AF_FOURCC('r','f','m','t') | |
246 | #define OPT_SHORT_TAG M4AF_FOURCC('s','t','a','g') | |
247 | #define OPT_SHORT_TAG_FILE M4AF_FOURCC('s','t','g','f') | |
248 | #define OPT_LONG_TAG M4AF_FOURCC('l','t','a','g') | |
249 | #define OPT_TAG_FROM_JSON M4AF_FOURCC('t','f','j','s') | |
250 | ||
251 | static struct option long_options[] = { | |
252 | { "help", no_argument, 0, 'h' }, | |
253 | { "profile", required_argument, 0, 'p' }, | |
254 | { "bitrate", required_argument, 0, 'b' }, | |
255 | { "bitrate-mode", required_argument, 0, 'm' }, | |
256 | { "bandwidth", required_argument, 0, 'w' }, | |
257 | { "afterburner", required_argument, 0, 'a' }, | |
258 | { "lowdelay-sbr", required_argument, 0, 'L' }, | |
259 | { "sbr-ratio", required_argument, 0, 's' }, | |
260 | { "transport-format", required_argument, 0, 'f' }, | |
261 | { "adts-crc-check", no_argument, 0, 'C' }, | |
262 | { "header-period", required_argument, 0, 'P' }, | |
263 | ||
264 | { "gapless-mode", required_argument, 0, 'G' }, | |
265 | { "include-sbr-delay", no_argument, 0, OPT_INCLUDE_SBR_DELAY }, | |
266 | { "ignorelength", no_argument, 0, 'I' }, | |
267 | { "silent", no_argument, 0, 'S' }, | |
268 | { "moov-before-mdat", no_argument, 0, OPT_MOOV_BEFORE_MDAT }, | |
269 | ||
270 | { "raw", no_argument, 0, 'R' }, | |
271 | { "raw-channels", required_argument, 0, OPT_RAW_CHANNELS }, | |
272 | { "raw-rate", required_argument, 0, OPT_RAW_RATE }, | |
273 | { "raw-format", required_argument, 0, OPT_RAW_FORMAT }, | |
274 | ||
275 | { "title", required_argument, 0, M4AF_TAG_TITLE }, | |
276 | { "artist", required_argument, 0, M4AF_TAG_ARTIST }, | |
277 | { "album", required_argument, 0, M4AF_TAG_ALBUM }, | |
278 | { "genre", required_argument, 0, M4AF_TAG_GENRE }, | |
279 | { "date", required_argument, 0, M4AF_TAG_DATE }, | |
280 | { "composer", required_argument, 0, M4AF_TAG_COMPOSER }, | |
281 | { "grouping", required_argument, 0, M4AF_TAG_GROUPING }, | |
282 | { "comment", required_argument, 0, M4AF_TAG_COMMENT }, | |
283 | { "album-artist", required_argument, 0, M4AF_TAG_ALBUM_ARTIST }, | |
284 | { "track", required_argument, 0, M4AF_TAG_TRACK }, | |
285 | { "disk", required_argument, 0, M4AF_TAG_DISK }, | |
286 | { "tempo", required_argument, 0, M4AF_TAG_TEMPO }, | |
287 | { "tag", required_argument, 0, OPT_SHORT_TAG }, | |
288 | { "tag-from-file", required_argument, 0, OPT_SHORT_TAG_FILE }, | |
289 | { "long-tag", required_argument, 0, OPT_LONG_TAG }, | |
290 | { "tag-from-json", required_argument, 0, OPT_TAG_FROM_JSON }, | |
291 | { 0, 0, 0, 0 }, | |
292 | }; | |
293 | params->afterburner = 1; | |
294 | ||
295 | aacenc_getmainargs(&argc, &argv); | |
296 | while ((ch = getopt_long(argc, argv, "hp:b:m:w:a:Ls:f:CP:G:Io:SR", | |
297 | long_options, 0)) != EOF) { | |
298 | switch (ch) { | |
299 | case 'h': | |
300 | return usage(), -1; | |
301 | case 'p': | |
302 | if (sscanf(optarg, "%u", &n) != 1) { | |
303 | fprintf(stderr, "invalid arg for profile\n"); | |
304 | return -1; | |
305 | } | |
306 | params->profile = n; | |
307 | break; | |
308 | case 'b': | |
309 | if (sscanf(optarg, "%u", &n) != 1) { | |
310 | fprintf(stderr, "invalid arg for bitrate\n"); | |
311 | return -1; | |
312 | } | |
313 | params->bitrate = n; | |
314 | break; | |
315 | case 'm': | |
316 | if (sscanf(optarg, "%u", &n) != 1 || n > 5) { | |
317 | fprintf(stderr, "invalid arg for bitrate-mode\n"); | |
318 | return -1; | |
319 | } | |
320 | params->bitrate_mode = n; | |
321 | break; | |
322 | case 'w': | |
323 | if (sscanf(optarg, "%u", &n) != 1) { | |
324 | fprintf(stderr, "invalid arg for bandwidth\n"); | |
325 | return -1; | |
326 | } | |
327 | params->bandwidth = n; | |
328 | break; | |
329 | case 'a': | |
330 | if (sscanf(optarg, "%u", &n) != 1 || n > 1) { | |
331 | fprintf(stderr, "invalid arg for afterburner\n"); | |
332 | return -1; | |
333 | } | |
334 | params->afterburner = n; | |
335 | break; | |
336 | case 'L': | |
337 | if (sscanf(optarg, "%d", &n) != 1 || n < -1 || n > 1) { | |
338 | fprintf(stderr, "invalid arg for lowdelay-sbr\n"); | |
339 | return -1; | |
340 | } | |
341 | params->lowdelay_sbr = n; | |
342 | break; | |
343 | case 's': | |
344 | if (sscanf(optarg, "%u", &n) != 1 || n > 2) { | |
345 | fprintf(stderr, "invalid arg for sbr-ratio\n"); | |
346 | return -1; | |
347 | } | |
348 | params->sbr_ratio = n; | |
349 | break; | |
350 | case 'f': | |
351 | if (sscanf(optarg, "%u", &n) != 1) { | |
352 | fprintf(stderr, "invalid arg for transport-format\n"); | |
353 | return -1; | |
354 | } | |
355 | params->transport_format = n; | |
356 | break; | |
357 | case 'C': | |
358 | params->adts_crc_check = 1; | |
359 | break; | |
360 | case 'P': | |
361 | if (sscanf(optarg, "%u", &n) != 1) { | |
362 | fprintf(stderr, "invalid arg for header-period\n"); | |
363 | return -1; | |
364 | } | |
365 | params->header_period = n; | |
366 | break; | |
367 | case 'o': | |
368 | params->output_filename = optarg; | |
369 | break; | |
370 | case 'G': | |
371 | if (sscanf(optarg, "%u", &n) != 1 || n > 2) { | |
372 | fprintf(stderr, "invalid arg for gapless-mode\n"); | |
373 | return -1; | |
374 | } | |
375 | params->gapless_mode = n; | |
376 | break; | |
377 | case OPT_INCLUDE_SBR_DELAY: | |
378 | params->include_sbr_delay = 1; | |
379 | break; | |
380 | case 'I': | |
381 | params->ignore_length = 1; | |
382 | break; | |
383 | case 'S': | |
384 | params->silent = 1; | |
385 | break; | |
386 | case OPT_MOOV_BEFORE_MDAT: | |
387 | params->moov_before_mdat = 1; | |
388 | break; | |
389 | case 'R': | |
390 | params->is_raw = 1; | |
391 | break; | |
392 | case OPT_RAW_CHANNELS: | |
393 | if (sscanf(optarg, "%u", &n) != 1) { | |
394 | fprintf(stderr, "invalid arg for raw-channels\n"); | |
395 | return -1; | |
396 | } | |
397 | params->raw_channels = n; | |
398 | break; | |
399 | case OPT_RAW_RATE: | |
400 | if (sscanf(optarg, "%u", &n) != 1) { | |
401 | fprintf(stderr, "invalid arg for raw-rate\n"); | |
402 | return -1; | |
403 | } | |
404 | params->raw_rate = n; | |
405 | break; | |
406 | case OPT_RAW_FORMAT: | |
407 | params->raw_format = optarg; | |
408 | break; | |
409 | case M4AF_TAG_TITLE: | |
410 | case M4AF_TAG_ARTIST: | |
411 | case M4AF_TAG_ALBUM: | |
412 | case M4AF_TAG_GENRE: | |
413 | case M4AF_TAG_DATE: | |
414 | case M4AF_TAG_COMPOSER: | |
415 | case M4AF_TAG_GROUPING: | |
416 | case M4AF_TAG_COMMENT: | |
417 | case M4AF_TAG_ALBUM_ARTIST: | |
418 | case M4AF_TAG_TRACK: | |
419 | case M4AF_TAG_DISK: | |
420 | case M4AF_TAG_TEMPO: | |
421 | aacenc_add_tag_to_store(¶ms->tags, ch, 0, optarg, | |
422 | strlen(optarg), 0); | |
423 | break; | |
424 | case OPT_SHORT_TAG: | |
425 | case OPT_SHORT_TAG_FILE: | |
426 | case OPT_LONG_TAG: | |
427 | { | |
428 | char *val; | |
429 | size_t klen; | |
430 | unsigned fcc = M4AF_FOURCC('-','-','-','-'); | |
431 | ||
432 | if ((val = strchr(optarg, ':')) == 0) { | |
433 | fprintf(stderr, "invalid arg for tag\n"); | |
434 | return -1; | |
435 | } | |
436 | *val++ = '\0'; | |
437 | if (ch == OPT_SHORT_TAG || ch == OPT_SHORT_TAG_FILE) { | |
438 | /* | |
439 | * take care of U+00A9(COPYRIGHT SIGN). | |
440 | * 1) if length of fcc is 3, we prepend '\xa9'. | |
441 | * 2) U+00A9 becomes "\xc2\xa9" in UTF-8. Therefore | |
442 | * we remove first '\xc2'. | |
443 | */ | |
444 | if (optarg[0] == '\xc2') | |
445 | ++optarg; | |
446 | if ((klen = strlen(optarg))== 3) | |
447 | fcc = 0xa9; | |
448 | else if (klen != 4) { | |
449 | fprintf(stderr, "invalid arg for tag\n"); | |
450 | return -1; | |
451 | } | |
452 | for (; *optarg; ++optarg) | |
453 | fcc = ((fcc << 8) | (*optarg & 0xff)); | |
454 | } | |
455 | aacenc_add_tag_to_store(¶ms->tags, fcc, optarg, | |
456 | val, strlen(val), | |
457 | ch == OPT_SHORT_TAG_FILE); | |
458 | } | |
459 | break; | |
460 | case OPT_TAG_FROM_JSON: | |
461 | params->json_filename = optarg; | |
462 | break; | |
463 | default: | |
464 | return usage(), -1; | |
465 | } | |
466 | } | |
467 | if (argc == optind) | |
468 | return usage(), -1; | |
469 | ||
470 | if (!params->bitrate && !params->bitrate_mode) { | |
471 | fprintf(stderr, "bitrate or bitrate-mode is mandatory\n"); | |
472 | return -1; | |
473 | } | |
474 | if (params->output_filename && !strcmp(params->output_filename, "-") && | |
475 | !params->transport_format) { | |
476 | fprintf(stderr, "stdout streaming is not available on M4A output\n"); | |
477 | return -1; | |
478 | } | |
479 | if (params->bitrate && params->bitrate < 10000) | |
480 | params->bitrate *= 1000; | |
481 | ||
482 | if (params->is_raw) { | |
483 | if (!params->raw_channels) | |
484 | params->raw_channels = 2; | |
485 | if (!params->raw_rate) | |
486 | params->raw_rate = 44100; | |
487 | if (!params->raw_format) | |
488 | params->raw_format = "S16L"; | |
489 | } | |
490 | params->input_filename = argv[optind]; | |
491 | return 0; | |
492 | }; | |
493 | ||
494 | static | |
495 | int write_sample(FILE *ofp, m4af_ctx_t *m4af, aacenc_frame_t *frame) | |
496 | { | |
497 | if (!m4af) { | |
498 | fwrite(frame->data, 1, frame->size, ofp); | |
499 | if (ferror(ofp)) { | |
500 | fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno)); | |
501 | return -1; | |
502 | } | |
503 | } else if (m4af_write_sample(m4af, 0, frame->data, frame->size, 0) < 0) { | |
504 | fprintf(stderr, "ERROR: failed to write m4a sample\n"); | |
505 | return -1; | |
506 | } | |
507 | return 0; | |
508 | } | |
509 | ||
510 | static | |
511 | int encode(aacenc_param_ex_t *params, pcm_reader_t *reader, | |
512 | HANDLE_AACENCODER encoder, uint32_t frame_length, | |
513 | m4af_ctx_t *m4af) | |
514 | { | |
515 | int16_t *ibuf = 0, *ip; | |
516 | aacenc_frame_t obuf[2] = {{ 0 }}, *obp; | |
517 | unsigned flip = 0; | |
518 | int nread = 1; | |
519 | int rc = -1; | |
520 | int remaining, consumed; | |
521 | int frames_written = 0, encoded = 0; | |
522 | aacenc_progress_t progress = { 0 }; | |
523 | const pcm_sample_description_t *fmt = pcm_get_format(reader); | |
524 | ||
525 | ibuf = malloc(frame_length * fmt->bytes_per_frame); | |
526 | aacenc_progress_init(&progress, pcm_get_length(reader), fmt->sample_rate); | |
527 | ||
528 | for (;;) { | |
529 | /* | |
530 | * Since we delay the write, we cannot just exit loop when interrupted. | |
531 | * Instead, we regard it as EOF. | |
532 | */ | |
533 | if (g_interrupted) | |
534 | nread = 0; | |
535 | if (nread > 0) { | |
536 | if ((nread = pcm_read_frames(reader, ibuf, frame_length)) < 0) { | |
537 | fprintf(stderr, "ERROR: read failed\n"); | |
538 | goto END; | |
539 | } | |
540 | if (!params->silent) | |
541 | aacenc_progress_update(&progress, pcm_get_position(reader), | |
542 | fmt->sample_rate * 2); | |
543 | } | |
544 | ip = ibuf; | |
545 | remaining = nread; | |
546 | do { | |
547 | obp = &obuf[flip]; | |
548 | consumed = aac_encode_frame(encoder, fmt, ip, remaining, obp); | |
549 | if (consumed < 0) goto END; | |
550 | if (consumed == 0 && obp->size == 0) goto DONE; | |
551 | if (obp->size == 0) break; | |
552 | ||
553 | remaining -= consumed; | |
554 | ip += consumed * fmt->channels_per_frame; | |
555 | flip ^= 1; | |
556 | /* | |
557 | * As we pad 1 frame at beginning and ending by our extrapolator, | |
558 | * we want to drop them. | |
559 | * We delay output by 1 frame by double buffering, and discard | |
560 | * second frame and final frame from the encoder. | |
561 | * Since sbr_header is included in the first frame (in case of | |
562 | * SBR), we cannot discard first frame. So we pick second instead. | |
563 | */ | |
564 | ++encoded; | |
565 | if (encoded == 1 || encoded == 3) | |
566 | continue; | |
567 | obp = &obuf[flip]; | |
568 | if (write_sample(params->output_fp, m4af, obp) < 0) | |
569 | goto END; | |
570 | ++frames_written; | |
571 | } while (remaining > 0); | |
572 | } | |
573 | DONE: | |
574 | if (!params->silent) | |
575 | aacenc_progress_finish(&progress, pcm_get_position(reader)); | |
576 | rc = frames_written; | |
577 | END: | |
578 | if (ibuf) free(ibuf); | |
579 | if (obuf[0].data) free(obuf[0].data); | |
580 | if (obuf[1].data) free(obuf[1].data); | |
581 | return rc; | |
582 | } | |
583 | ||
584 | static | |
585 | void put_tool_tag(m4af_ctx_t *m4af, const aacenc_param_ex_t *params, | |
586 | HANDLE_AACENCODER encoder) | |
587 | { | |
588 | char tool_info[256]; | |
589 | char *p = tool_info; | |
590 | LIB_INFO lib_info; | |
591 | ||
592 | p += sprintf(p, PROGNAME " %s, ", fdkaac_version); | |
593 | aacenc_get_lib_info(&lib_info); | |
594 | p += sprintf(p, "libfdk-aac %s, ", lib_info.versionStr); | |
595 | if (params->bitrate_mode) | |
596 | sprintf(p, "VBR mode %d", params->bitrate_mode); | |
597 | else | |
598 | sprintf(p, "CBR %dkbps", | |
599 | aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000); | |
600 | ||
601 | m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info); | |
602 | } | |
603 | ||
604 | static | |
605 | int finalize_m4a(m4af_ctx_t *m4af, const aacenc_param_ex_t *params, | |
606 | HANDLE_AACENCODER encoder) | |
607 | { | |
608 | unsigned i; | |
609 | aacenc_tag_entry_t *tag; | |
610 | ||
611 | tag = params->source_tags.tag_table; | |
612 | for (i = 0; i < params->source_tags.tag_count; ++i, ++tag) | |
613 | aacenc_write_tag_entry(m4af, tag); | |
614 | ||
615 | if (params->json_filename) | |
616 | aacenc_write_tags_from_json(m4af, params->json_filename); | |
617 | ||
618 | tag = params->tags.tag_table; | |
619 | for (i = 0; i < params->tags.tag_count; ++i, ++tag) | |
620 | aacenc_write_tag_entry(m4af, tag); | |
621 | ||
622 | put_tool_tag(m4af, params, encoder); | |
623 | ||
624 | if (m4af_finalize(m4af, params->moov_before_mdat) < 0) { | |
625 | fprintf(stderr, "ERROR: failed to finalize m4a\n"); | |
626 | return -1; | |
627 | } | |
628 | return 0; | |
629 | } | |
630 | ||
631 | static | |
632 | char *generate_output_filename(const char *filename, const char *ext) | |
633 | { | |
634 | char *p = 0; | |
635 | size_t ext_len = strlen(ext); | |
636 | ||
637 | if (strcmp(filename, "-") == 0) { | |
638 | p = malloc(ext_len + 6); | |
639 | sprintf(p, "stdin%s", ext); | |
640 | } else { | |
641 | const char *base = aacenc_basename(filename); | |
642 | size_t ilen = strlen(base); | |
643 | const char *ext_org = strrchr(base, '.'); | |
644 | if (ext_org) ilen = ext_org - base; | |
645 | p = malloc(ilen + ext_len + 1); | |
646 | sprintf(p, "%.*s%s", (int)ilen, base, ext); | |
647 | } | |
648 | return p; | |
649 | } | |
650 | ||
651 | static | |
652 | int parse_raw_spec(const char *spec, pcm_sample_description_t *desc) | |
653 | { | |
654 | unsigned bits; | |
655 | unsigned char c_type, c_endian = 'L'; | |
656 | int type; | |
657 | ||
658 | if (sscanf(spec, "%c%u%c", &c_type, &bits, &c_endian) < 2) | |
659 | return -1; | |
660 | c_type = toupper(c_type); | |
661 | c_endian = toupper(c_endian); | |
662 | ||
663 | if (c_type == 'S') | |
664 | type = 1; | |
665 | else if (c_type == 'U') | |
666 | type = 2; | |
667 | else if (c_type == 'F') | |
668 | type = 4; | |
669 | else | |
670 | return -1; | |
671 | ||
672 | if (c_endian == 'B') | |
673 | type |= 8; | |
674 | else if (c_endian != 'L') | |
675 | return -1; | |
676 | ||
677 | if (c_type == 'F' && bits != 32 && bits != 64) | |
678 | return -1; | |
679 | if (c_type != 'F' && (bits < 8 || bits > 32)) | |
680 | return -1; | |
681 | ||
682 | desc->sample_type = type; | |
683 | desc->bits_per_channel = bits; | |
684 | return 0; | |
685 | } | |
686 | ||
687 | static pcm_io_vtbl_t pcm_io_vtbl = { | |
688 | read_callback, seek_callback, tell_callback | |
689 | }; | |
690 | static pcm_io_vtbl_t pcm_io_vtbl_noseek = { read_callback, 0, tell_callback }; | |
691 | ||
692 | static | |
693 | pcm_reader_t *open_input(aacenc_param_ex_t *params) | |
694 | { | |
695 | pcm_io_context_t io = { 0 }; | |
696 | pcm_reader_t *reader = 0; | |
697 | struct stat stb = { 0 }; | |
698 | ||
699 | if ((params->input_fp = aacenc_fopen(params->input_filename, "rb")) == 0) { | |
700 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params->input_filename, | |
701 | strerror(errno)); | |
702 | goto END; | |
703 | } | |
704 | io.cookie = params->input_fp; | |
705 | if (fstat(fileno(params->input_fp), &stb) == 0 | |
706 | && (stb.st_mode & S_IFMT) == S_IFREG) | |
707 | io.vtbl = &pcm_io_vtbl; | |
708 | else | |
709 | io.vtbl = &pcm_io_vtbl_noseek; | |
710 | ||
711 | if (params->is_raw) { | |
712 | int bytes_per_channel; | |
713 | pcm_sample_description_t desc = { 0 }; | |
714 | if (parse_raw_spec(params->raw_format, &desc) < 0) { | |
715 | fprintf(stderr, "ERROR: invalid raw-format spec\n"); | |
716 | goto END; | |
717 | } | |
718 | desc.sample_rate = params->raw_rate; | |
719 | desc.channels_per_frame = params->raw_channels; | |
720 | bytes_per_channel = (desc.bits_per_channel + 7) / 8; | |
721 | desc.bytes_per_frame = params->raw_channels * bytes_per_channel; | |
722 | if ((reader = raw_open(&io, &desc)) == 0) { | |
723 | fprintf(stderr, "ERROR: failed to open raw input\n"); | |
724 | goto END; | |
725 | } | |
726 | } else { | |
727 | int c; | |
728 | ungetc(c = getc(params->input_fp), params->input_fp); | |
729 | ||
730 | switch (c) { | |
731 | case 'R': | |
732 | if ((reader = wav_open(&io, params->ignore_length)) == 0) { | |
733 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); | |
734 | goto END; | |
735 | } | |
736 | break; | |
737 | case 'c': | |
738 | params->source_tag_ctx.add = aacenc_add_tag_entry_to_store; | |
739 | params->source_tag_ctx.add_ctx = ¶ms->source_tags; | |
740 | if ((reader = caf_open(&io, | |
741 | aacenc_translate_generic_text_tag, | |
742 | ¶ms->source_tag_ctx)) == 0) { | |
743 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); | |
744 | goto END; | |
745 | } | |
746 | break; | |
747 | default: | |
748 | fprintf(stderr, "ERROR: unsupported input file\n"); | |
749 | goto END; | |
750 | } | |
751 | } | |
752 | if ((reader = pcm_open_sint16_converter(reader)) != 0) | |
753 | reader = extrapolater_open(reader); | |
754 | return reader; | |
755 | END: | |
756 | return 0; | |
757 | } | |
758 | ||
759 | int main(int argc, char **argv) | |
760 | { | |
761 | static m4af_io_callbacks_t m4af_io = { | |
762 | read_callback, write_callback, seek_callback, tell_callback | |
763 | }; | |
764 | aacenc_param_ex_t params = { 0 }; | |
765 | ||
766 | int result = 2; | |
767 | char *output_filename = 0; | |
768 | pcm_reader_t *reader = 0; | |
769 | HANDLE_AACENCODER encoder = 0; | |
770 | AACENC_InfoStruct aacinfo = { 0 }; | |
771 | m4af_ctx_t *m4af = 0; | |
772 | const pcm_sample_description_t *sample_format; | |
773 | int frame_count = 0; | |
774 | int sbr_mode = 0; | |
775 | unsigned scale_shift = 0; | |
776 | ||
777 | setlocale(LC_CTYPE, ""); | |
778 | setbuf(stderr, 0); | |
779 | ||
780 | if (parse_options(argc, argv, ¶ms) < 0) | |
781 | return 1; | |
782 | ||
783 | if ((reader = open_input(¶ms)) == 0) | |
784 | goto END; | |
785 | ||
786 | sample_format = pcm_get_format(reader); | |
787 | ||
788 | sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms); | |
789 | if (sbr_mode && !aacenc_is_sbr_ratio_available()) { | |
790 | fprintf(stderr, "WARNING: Only dual-rate SBR is available " | |
791 | "for this version\n"); | |
792 | params.sbr_ratio = 2; | |
793 | } | |
794 | scale_shift = aacenc_is_dual_rate_sbr((aacenc_param_t*)¶ms); | |
795 | params.sbr_signaling = | |
796 | (params.transport_format == TT_MP4_LOAS) ? 2 : | |
797 | (params.transport_format == TT_MP4_RAW) ? 1 : 0; | |
798 | if (sbr_mode && !scale_shift) | |
799 | params.sbr_signaling = 2; | |
800 | ||
801 | if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format, | |
802 | &aacinfo) < 0) | |
803 | goto END; | |
804 | ||
805 | if (!params.output_filename) { | |
806 | const char *ext = params.transport_format ? ".aac" : ".m4a"; | |
807 | output_filename = generate_output_filename(params.input_filename, ext); | |
808 | params.output_filename = output_filename; | |
809 | } | |
810 | ||
811 | if ((params.output_fp = aacenc_fopen(params.output_filename, "wb+")) == 0) { | |
812 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename, | |
813 | strerror(errno)); | |
814 | goto END; | |
815 | } | |
816 | handle_signals(); | |
817 | ||
818 | if (!params.transport_format) { | |
819 | uint32_t scale; | |
820 | unsigned framelen = aacinfo.frameLength; | |
821 | scale = sample_format->sample_rate >> scale_shift; | |
822 | if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, | |
823 | params.output_fp)) < 0) | |
824 | goto END; | |
825 | m4af_set_decoder_specific_info(m4af, 0, | |
826 | aacinfo.confBuf, aacinfo.confSize); | |
827 | m4af_set_fixed_frame_duration(m4af, 0, | |
828 | framelen >> scale_shift); | |
829 | m4af_set_vbr_mode(m4af, 0, params.bitrate_mode); | |
830 | m4af_set_priming_mode(m4af, params.gapless_mode + 1); | |
831 | m4af_begin_write(m4af); | |
832 | } | |
833 | if (scale_shift && (aacinfo.encoderDelay & 1)) { | |
834 | /* | |
835 | * Since odd delay cannot be exactly expressed in downsampled scale, | |
836 | * we push one zero frame to the encoder here, to make delay even | |
837 | */ | |
838 | int16_t zero[8] = { 0 }; | |
839 | aacenc_frame_t frame = { 0 }; | |
840 | aac_encode_frame(encoder, sample_format, zero, 1, &frame); | |
841 | free(frame.data); | |
842 | } | |
843 | frame_count = encode(¶ms, reader, encoder, aacinfo.frameLength, m4af); | |
844 | if (frame_count < 0) | |
845 | goto END; | |
846 | if (m4af) { | |
847 | uint32_t delay = aacinfo.encoderDelay; | |
848 | uint32_t padding; | |
849 | int64_t frames_read = pcm_get_position(reader); | |
850 | ||
851 | if (sbr_mode && params.profile != AOT_ER_AAC_ELD && | |
852 | !params.include_sbr_delay) | |
853 | delay -= 481 << scale_shift; | |
854 | if (scale_shift && (delay & 1)) | |
855 | ++delay; | |
856 | padding = frame_count * aacinfo.frameLength - frames_read - delay; | |
857 | m4af_set_priming(m4af, 0, delay >> scale_shift, padding >> scale_shift); | |
858 | if (finalize_m4a(m4af, ¶ms, encoder) < 0) | |
859 | goto END; | |
860 | } | |
861 | result = 0; | |
862 | END: | |
863 | if (reader) pcm_teardown(&reader); | |
864 | if (params.input_fp) fclose(params.input_fp); | |
865 | if (m4af) m4af_teardown(&m4af); | |
866 | if (params.output_fp) fclose(params.output_fp); | |
867 | if (encoder) aacEncClose(&encoder); | |
868 | if (output_filename) free(output_filename); | |
869 | if (params.tags.tag_table) | |
870 | aacenc_free_tag_store(¶ms.tags); | |
871 | if (params.source_tags.tag_table) | |
872 | aacenc_free_tag_store(¶ms.source_tags); | |
873 | ||
874 | return result; | |
875 | } |