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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 | |
11 | #include <stdio.h> | |
12 | #include <stdlib.h> | |
13 | #include <string.h> | |
14 | #include <locale.h> | |
15 | #include <errno.h> | |
7222b0b5 | 16 | #include <sys/stat.h> |
48e2f01c | 17 | #include <getopt.h> |
7222b0b5 | 18 | #if HAVE_UNISTD_H |
19 | #include <unistd.h> | |
20 | #endif | |
21 | #ifdef _WIN32 | |
22 | #include <io.h> | |
23 | #endif | |
48e2f01c | 24 | #include "compat.h" |
25 | #include "wav_reader.h" | |
26 | #include "aacenc.h" | |
27 | #include "m4af.h" | |
28 | #include "progress.h" | |
29 | #include "version.h" | |
30 | ||
31 | #define PROGNAME "fdkaac" | |
32 | ||
33 | static | |
34 | int read_callback(void *cookie, void *data, uint32_t size) | |
35 | { | |
36 | return fread(data, 1, size, (FILE*)cookie); | |
37 | } | |
38 | ||
39 | static | |
40 | int write_callback(void *cookie, const void *data, uint32_t size) | |
41 | { | |
42 | return fwrite(data, 1, size, (FILE*)cookie); | |
43 | } | |
44 | ||
45 | static | |
46 | int seek_callback(void *cookie, int64_t off, int whence) | |
47 | { | |
48 | return fseeko((FILE*)cookie, off, whence); | |
49 | } | |
50 | ||
51 | static | |
52 | int64_t tell_callback(void *cookie) | |
53 | { | |
54 | return ftello((FILE*)cookie); | |
55 | } | |
56 | ||
57 | static | |
58 | void usage(void) | |
59 | { | |
60 | printf( | |
61 | PROGNAME " %s\n" | |
62 | "Usage: " PROGNAME " [options] input_file\n" | |
63 | "Options:\n" | |
64 | " -h, --help Print this help message\n" | |
65 | " -p, --profile <n> Profile (audio object type)\n" | |
66 | " 2: MPEG-4 AAC LC (default)\n" | |
67 | " 5: MPEG-4 HE-AAC (SBR)\n" | |
68 | " 29: MPEG-4 HE-AAC v2 (SBR+PS)\n" | |
69 | " 23: MPEG-4 AAC LD\n" | |
70 | " 39: MPEG-4 AAC ELD\n" | |
71 | " 129: MPEG-2 AAC LC\n" | |
72 | " 132: MPEG-2 HE-AAC (SBR)\n" | |
73 | " 156: MPEG-2 HE-AAC v2 (SBR+PS)\n" | |
74 | " -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n" | |
75 | " -m, --bitrate-mode <n> Bitrate configuration\n" | |
76 | " 0: CBR (default)\n" | |
77 | " 1-5: VBR\n" | |
78 | " (VBR mode is not officially supported, and\n" | |
79 | " works only on a certain combination of\n" | |
80 | " parameter settings, sample rate, and\n" | |
81 | " channel configuration)\n" | |
82 | " -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n" | |
097ef9a8 | 83 | " -a, --afterburner <n> Afterburner\n" |
48e2f01c | 84 | " 0: Off\n" |
85 | " 1: On(default)\n" | |
86 | " -L, --lowdelay-sbr Enable ELD-SBR (AAC ELD only)\n" | |
87 | " -s, --sbr-signaling <n> SBR signaling mode\n" | |
88 | " 0: Implicit, backward compatible(default)\n" | |
89 | " 1: Explicit SBR and implicit PS\n" | |
90 | " 2: Explicit hierarchical signaling\n" | |
91 | " -f, --transport-format <n> Transport format\n" | |
92 | " 0: RAW (default, muxed into M4A)\n" | |
93 | " 1: ADIF\n" | |
94 | " 2: ADTS\n" | |
95 | " 6: LATM MCP=1\n" | |
96 | " 7: LATM MCP=0\n" | |
97 | " 10: LOAS/LATM (LATM within LOAS)\n" | |
98 | " -c, --adts-crc-check Add CRC protection on ADTS header\n" | |
99 | " -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n" | |
100 | " transport layer\n" | |
101 | "\n" | |
102 | " -o <filename> Output filename\n" | |
103 | " --ignore-length Ignore length of WAV header\n" | |
104 | "\n" | |
105 | "Tagging options:\n" | |
106 | " --title <string>\n" | |
107 | " --artist <string>\n" | |
108 | " --album <string>\n" | |
109 | " --genre <string>\n" | |
110 | " --date <string>\n" | |
111 | " --composer <string>\n" | |
112 | " --grouping <string>\n" | |
113 | " --comment <string>\n" | |
114 | " --album-artist <string>\n" | |
115 | " --track <number[/total]>\n" | |
116 | " --disk <number[/total]>\n" | |
117 | " --tempo <n>\n" | |
118 | , fdkaac_version); | |
119 | } | |
120 | ||
121 | typedef struct aacenc_tag_entry_t { | |
122 | uint32_t tag; | |
123 | const char *data; | |
124 | } aacenc_tag_entry_t; | |
125 | ||
126 | typedef struct aacenc_param_ex_t { | |
127 | AACENC_PARAMS | |
128 | ||
129 | char *input_filename; | |
130 | char *output_filename; | |
131 | unsigned ignore_length; | |
132 | ||
133 | aacenc_tag_entry_t *tag_table; | |
134 | unsigned tag_count; | |
135 | unsigned tag_table_capacity; | |
136 | } aacenc_param_ex_t; | |
137 | ||
138 | static | |
139 | int parse_options(int argc, char **argv, aacenc_param_ex_t *params) | |
140 | { | |
141 | int ch; | |
142 | unsigned n; | |
143 | aacenc_tag_entry_t *tag; | |
144 | ||
145 | static struct option long_options[] = { | |
146 | { "help", no_argument, 0, 'h' }, | |
147 | { "profile", required_argument, 0, 'p' }, | |
148 | { "bitrate", required_argument, 0, 'b' }, | |
149 | { "biterate-mode", required_argument, 0, 'm' }, | |
150 | { "bandwidth", required_argument, 0, 'w' }, | |
151 | { "afterburner", required_argument, 0, 'a' }, | |
152 | { "lowdelay-sbr", no_argument, 0, 'L' }, | |
153 | { "sbr-signaling", required_argument, 0, 's' }, | |
154 | { "transport-format", required_argument, 0, 'f' }, | |
155 | { "adts-crc-check", no_argument, 0, 'c' }, | |
156 | { "header-period", required_argument, 0, 'P' }, | |
157 | ||
158 | { "ignore-length", no_argument, 0, 'I' }, | |
159 | ||
160 | { "title", required_argument, 0, M4AF_TAG_TITLE }, | |
161 | { "artist", required_argument, 0, M4AF_TAG_ARTIST }, | |
162 | { "album", required_argument, 0, M4AF_TAG_ALBUM }, | |
163 | { "genre", required_argument, 0, M4AF_TAG_GENRE }, | |
164 | { "date", required_argument, 0, M4AF_TAG_DATE }, | |
165 | { "composer", required_argument, 0, M4AF_TAG_COMPOSER }, | |
166 | { "grouping", required_argument, 0, M4AF_TAG_GROUPING }, | |
167 | { "comment", required_argument, 0, M4AF_TAG_COMMENT }, | |
168 | { "album-artist", required_argument, 0, M4AF_TAG_ALBUM_ARTIST }, | |
169 | { "track", required_argument, 0, M4AF_TAG_TRACK }, | |
170 | { "disk", required_argument, 0, M4AF_TAG_DISK }, | |
171 | { "tempo", required_argument, 0, M4AF_TAG_TEMPO }, | |
172 | }; | |
173 | params->afterburner = 1; | |
174 | ||
175 | aacenc_getmainargs(&argc, &argv); | |
176 | while ((ch = getopt_long(argc, argv, "hp:b:m:w:a:Ls:f:cP:Io:", | |
177 | long_options, 0)) != EOF) { | |
178 | switch (ch) { | |
179 | case 'h': | |
180 | return usage(), -1; | |
181 | case 'p': | |
182 | if (sscanf(optarg, "%u", &n) != 1) { | |
183 | fprintf(stderr, "invalid arg for profile\n"); | |
184 | return -1; | |
185 | } | |
186 | params->profile = n; | |
187 | break; | |
188 | case 'b': | |
189 | if (sscanf(optarg, "%u", &n) != 1) { | |
190 | fprintf(stderr, "invalid arg for bitrate\n"); | |
191 | return -1; | |
192 | } | |
193 | params->bitrate = n; | |
194 | break; | |
195 | case 'm': | |
196 | if (sscanf(optarg, "%u", &n) != 1 || n > 5) { | |
197 | fprintf(stderr, "invalid arg for bitrate-mode\n"); | |
198 | return -1; | |
199 | } | |
200 | params->bitrate_mode = n; | |
201 | break; | |
202 | case 'w': | |
203 | if (sscanf(optarg, "%u", &n) != 1) { | |
204 | fprintf(stderr, "invalid arg for bandwidth\n"); | |
205 | return -1; | |
206 | } | |
207 | params->bandwidth = n; | |
208 | break; | |
209 | case 'a': | |
210 | if (sscanf(optarg, "%u", &n) != 1 || n > 1) { | |
211 | fprintf(stderr, "invalid arg for afterburner\n"); | |
212 | return -1; | |
213 | } | |
214 | params->afterburner = n; | |
215 | break; | |
216 | case 'L': | |
217 | params->lowdelay_sbr = 1; | |
218 | break; | |
219 | case 's': | |
220 | if (sscanf(optarg, "%u", &n) != 1 || n > 2) { | |
221 | fprintf(stderr, "invalid arg for sbr-signaling\n"); | |
222 | return -1; | |
223 | } | |
224 | params->sbr_signaling = n; | |
225 | break; | |
226 | case 'f': | |
227 | if (sscanf(optarg, "%u", &n) != 1) { | |
228 | fprintf(stderr, "invalid arg for transport-format\n"); | |
229 | return -1; | |
230 | } | |
231 | params->transport_format = n; | |
232 | break; | |
233 | case 'c': | |
234 | params->adts_crc_check = 1; | |
235 | break; | |
236 | case 'P': | |
237 | if (sscanf(optarg, "%u", &n) != 1) { | |
238 | fprintf(stderr, "invalid arg for header-period\n"); | |
239 | return -1; | |
240 | } | |
241 | params->header_period = n; | |
242 | break; | |
243 | case 'o': | |
244 | params->output_filename = optarg; | |
245 | break; | |
246 | case 'I': | |
247 | params->ignore_length = 1; | |
248 | break; | |
249 | case M4AF_TAG_TITLE: | |
250 | case M4AF_TAG_ARTIST: | |
251 | case M4AF_TAG_ALBUM: | |
252 | case M4AF_TAG_GENRE: | |
253 | case M4AF_TAG_DATE: | |
254 | case M4AF_TAG_COMPOSER: | |
255 | case M4AF_TAG_GROUPING: | |
256 | case M4AF_TAG_COMMENT: | |
257 | case M4AF_TAG_ALBUM_ARTIST: | |
258 | case M4AF_TAG_TRACK: | |
259 | case M4AF_TAG_DISK: | |
260 | case M4AF_TAG_TEMPO: | |
261 | if (params->tag_count == params->tag_table_capacity) { | |
262 | unsigned newsize = params->tag_table_capacity; | |
263 | newsize = newsize ? newsize * 2 : 1; | |
264 | params->tag_table = | |
265 | realloc(params->tag_table, | |
266 | newsize * sizeof(aacenc_tag_entry_t)); | |
267 | params->tag_table_capacity = newsize; | |
268 | } | |
269 | tag = params->tag_table + params->tag_count; | |
270 | tag->tag = ch; | |
271 | tag->data = optarg; | |
272 | params->tag_count++; | |
273 | break; | |
274 | default: | |
275 | return usage(), -1; | |
276 | } | |
277 | } | |
278 | if (argc == optind) | |
279 | return usage(), -1; | |
280 | if (!params->bitrate && !params->bitrate_mode) { | |
281 | fprintf(stderr, "bitrate or bitrate-mode is mandatory\n"); | |
282 | return -1; | |
283 | } | |
284 | if (params->output_filename && !strcmp(params->output_filename, "-") && | |
285 | !params->transport_format) { | |
286 | fprintf(stderr, "stdout streaming is not available on M4A output\n"); | |
287 | return -1; | |
288 | } | |
289 | if (params->bitrate && params->bitrate < 10000) | |
290 | params->bitrate *= 1000; | |
291 | params->input_filename = argv[optind]; | |
292 | return 0; | |
293 | }; | |
294 | ||
295 | static | |
296 | int write_sample(FILE *ofp, m4af_writer_t *m4af, | |
297 | const void *data, uint32_t size, uint32_t duration) | |
298 | { | |
299 | if (!m4af) { | |
300 | if (fwrite(data, 1, size, ofp) < 0) { | |
301 | fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno)); | |
302 | return -1; | |
303 | } | |
304 | } else if (m4af_write_sample(m4af, 0, data, size, duration) < 0) { | |
305 | fprintf(stderr, "ERROR: failed to write m4a sample\n"); | |
306 | return -1; | |
307 | } | |
308 | return 0; | |
309 | } | |
310 | ||
311 | static | |
312 | int encode(wav_reader_t *wavf, HANDLE_AACENCODER encoder, | |
313 | uint32_t frame_length, FILE *ofp, m4af_writer_t *m4af) | |
314 | { | |
315 | uint8_t *ibuf = 0; | |
316 | int16_t *pcmbuf = 0; | |
317 | uint32_t pcmsize = 0; | |
318 | uint8_t *obuf = 0; | |
319 | uint32_t olen; | |
320 | uint32_t osize = 0; | |
321 | int nread = 1; | |
322 | int consumed; | |
323 | int rc = -1; | |
324 | int frames_written = 0; | |
325 | aacenc_progress_t progress = { 0 }; | |
326 | const pcm_sample_description_t *format = wav_get_format(wavf); | |
327 | ||
328 | ibuf = malloc(frame_length * format->bytes_per_frame); | |
329 | aacenc_progress_init(&progress, wav_get_length(wavf), format->sample_rate); | |
330 | do { | |
331 | if (nread) { | |
332 | if ((nread = wav_read_frames(wavf, ibuf, frame_length)) < 0) { | |
333 | fprintf(stderr, "ERROR: read failed\n"); | |
334 | goto END; | |
335 | } else if (nread > 0) { | |
336 | if (pcm_convert_to_native_sint16(format, ibuf, nread, | |
337 | &pcmbuf, &pcmsize) < 0) { | |
338 | fprintf(stderr, "ERROR: unsupported sample format\n"); | |
339 | goto END; | |
340 | } | |
341 | } | |
342 | aacenc_progress_update(&progress, wav_get_position(wavf), | |
343 | format->sample_rate * 2); | |
344 | } | |
345 | if ((consumed = aac_encode_frame(encoder, format, pcmbuf, nread, | |
346 | &obuf, &olen, &osize)) < 0) | |
347 | goto END; | |
348 | if (olen > 0) { | |
349 | if (write_sample(ofp, m4af, obuf, olen, frame_length) < 0) | |
350 | goto END; | |
351 | ++frames_written; | |
352 | } | |
353 | } while (nread > 0 || olen > 0); | |
354 | aacenc_progress_finish(&progress, wav_get_position(wavf)); | |
355 | rc = frames_written; | |
356 | END: | |
357 | if (ibuf) free(ibuf); | |
358 | if (pcmbuf) free(pcmbuf); | |
359 | if (obuf) free(obuf); | |
360 | return rc; | |
361 | } | |
362 | ||
363 | static | |
364 | int finalize_m4a(m4af_writer_t *m4af, const aacenc_param_ex_t *params, | |
365 | HANDLE_AACENCODER encoder) | |
366 | { | |
367 | unsigned i; | |
368 | aacenc_tag_entry_t *tag = params->tag_table; | |
369 | ||
370 | for (i = 0; i < params->tag_count; ++i, ++tag) { | |
371 | switch (tag->tag) { | |
372 | case M4AF_TAG_TRACK: | |
373 | { | |
374 | unsigned m, n = 0; | |
375 | if (sscanf(tag->data, "%u/%u", &m, &n) >= 1) | |
376 | m4af_add_itmf_track_tag(m4af, m, n); | |
377 | break; | |
378 | } | |
379 | case M4AF_TAG_DISK: | |
380 | { | |
381 | unsigned m, n = 0; | |
382 | if (sscanf(tag->data, "%u/%u", &m, &n) >= 1) | |
383 | m4af_add_itmf_disk_tag(m4af, m, n); | |
384 | break; | |
385 | } | |
386 | case M4AF_TAG_TEMPO: | |
387 | { | |
388 | unsigned n; | |
389 | if (sscanf(tag->data, "%u", &n) == 1) | |
390 | m4af_add_itmf_int16_tag(m4af, tag->tag, n); | |
391 | break; | |
392 | } | |
393 | default: | |
394 | { | |
395 | char *u8 = aacenc_to_utf8(tag->data); | |
396 | m4af_add_itmf_string_tag(m4af, tag->tag, u8); | |
397 | free(u8); | |
398 | } | |
399 | } | |
400 | } | |
401 | { | |
402 | char tool_info[256]; | |
403 | char *p = tool_info; | |
404 | LIB_INFO *lib_info = 0; | |
405 | ||
406 | p += sprintf(p, PROGNAME " %s, ", fdkaac_version); | |
407 | ||
d1ce2536 | 408 | lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO)); |
48e2f01c | 409 | if (aacEncGetLibInfo(lib_info) == AACENC_OK) { |
410 | for (i = 0; i < FDK_MODULE_LAST; ++i) | |
411 | if (lib_info[i].module_id == FDK_AACENC) | |
412 | break; | |
413 | p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr); | |
414 | } | |
415 | free(lib_info); | |
416 | if (params->bitrate_mode) | |
417 | sprintf(p, "VBR mode %d", params->bitrate_mode); | |
418 | else | |
112fdaf4 | 419 | sprintf(p, "CBR %dkbps", |
420 | aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000); | |
48e2f01c | 421 | |
422 | m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info); | |
423 | } | |
424 | if (m4af_finalize(m4af) < 0) { | |
425 | fprintf(stderr, "ERROR: failed to finalize m4a\n"); | |
426 | return -1; | |
427 | } | |
428 | return 0; | |
429 | } | |
430 | ||
af8fa38d | 431 | static |
432 | const char *basename(const char *filename) | |
433 | { | |
434 | char *p = strrchr(filename, '/'); | |
435 | #ifdef _WIN32 | |
436 | char *q = strrchr(filename, '\\'); | |
437 | if (p < q) p = q; | |
438 | #endif | |
439 | return p ? p + 1 : filename; | |
440 | } | |
441 | ||
442 | static | |
443 | char *generate_output_filename(const char *filename, const char *ext) | |
444 | { | |
445 | char *p = 0; | |
446 | size_t ext_len = strlen(ext); | |
447 | ||
448 | if (strcmp(filename, "-") == 0) { | |
449 | p = malloc(ext_len + 6); | |
450 | sprintf(p, "stdin%s", ext); | |
451 | } else { | |
452 | const char *base = basename(filename); | |
453 | size_t ilen = strlen(base); | |
454 | const char *ext_org = strrchr(base, '.'); | |
455 | if (ext_org) ilen = ext_org - base; | |
456 | p = malloc(ilen + ext_len + 1); | |
457 | sprintf(p, "%.*s%s", ilen, base, ext); | |
458 | } | |
459 | return p; | |
460 | } | |
461 | ||
48e2f01c | 462 | int main(int argc, char **argv) |
463 | { | |
464 | wav_io_context_t wav_io = { read_callback, seek_callback }; | |
465 | m4af_io_callbacks_t m4af_io = { | |
466 | write_callback, seek_callback, tell_callback }; | |
467 | aacenc_param_ex_t params = { 0 }; | |
468 | ||
469 | int result = 2; | |
470 | FILE *ifp = 0; | |
471 | FILE *ofp = 0; | |
472 | char *output_filename = 0; | |
473 | wav_reader_t *wavf = 0; | |
474 | HANDLE_AACENCODER encoder = 0; | |
475 | AACENC_InfoStruct aacinfo = { 0 }; | |
476 | m4af_writer_t *m4af = 0; | |
477 | const pcm_sample_description_t *sample_format; | |
478 | int downsampled_timescale = 0; | |
479 | int frame_count = 0; | |
7222b0b5 | 480 | struct stat stb = { 0 }; |
48e2f01c | 481 | |
482 | setlocale(LC_CTYPE, ""); | |
483 | setbuf(stderr, 0); | |
484 | ||
485 | if (parse_options(argc, argv, ¶ms) < 0) | |
486 | return 1; | |
487 | ||
488 | if ((ifp = aacenc_fopen(params.input_filename, "rb")) == 0) { | |
489 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.input_filename, | |
490 | strerror(errno)); | |
491 | goto END; | |
492 | } | |
493 | ||
7222b0b5 | 494 | if (fstat(fileno(ifp), &stb) == 0 && (stb.st_mode & S_IFMT) != S_IFREG) |
48e2f01c | 495 | wav_io.seek = 0; |
496 | ||
497 | if ((wavf = wav_open(&wav_io, ifp, params.ignore_length)) == 0) { | |
498 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); | |
499 | goto END; | |
500 | } | |
501 | sample_format = wav_get_format(wavf); | |
502 | ||
503 | if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format, | |
504 | &aacinfo) < 0) | |
505 | goto END; | |
506 | ||
507 | if (!params.output_filename) { | |
af8fa38d | 508 | const char *ext = params.transport_format ? ".aac" : ".m4a"; |
509 | output_filename = generate_output_filename(params.input_filename, ext); | |
48e2f01c | 510 | params.output_filename = output_filename; |
511 | } | |
512 | ||
513 | if ((ofp = aacenc_fopen(params.output_filename, "wb")) == 0) { | |
514 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename, | |
515 | strerror(errno)); | |
516 | goto END; | |
517 | } | |
518 | if (!params.transport_format) { | |
519 | uint32_t scale; | |
520 | unsigned framelen = aacinfo.frameLength; | |
521 | int sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms); | |
522 | int sig_mode = aacEncoder_GetParam(encoder, AACENC_SIGNALING_MODE); | |
523 | if (sbr_mode && !sig_mode) | |
524 | downsampled_timescale = 1; | |
525 | scale = sample_format->sample_rate >> downsampled_timescale; | |
526 | if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, ofp)) < 0) | |
527 | goto END; | |
528 | m4af_decoder_specific_info(m4af, 0, aacinfo.confBuf, aacinfo.confSize); | |
529 | m4af_set_fixed_frame_duration(m4af, 0, | |
530 | framelen >> downsampled_timescale); | |
531 | m4af_begin_write(m4af); | |
532 | } | |
533 | frame_count = encode(wavf, encoder, aacinfo.frameLength, ofp, m4af); | |
534 | if (frame_count < 0) | |
535 | goto END; | |
536 | if (m4af) { | |
537 | uint32_t delay = aacinfo.encoderDelay; | |
538 | int64_t frames_read = wav_get_position(wavf); | |
539 | uint32_t padding = frame_count * aacinfo.frameLength | |
540 | - frames_read - aacinfo.encoderDelay; | |
541 | m4af_set_priming(m4af, 0, delay >> downsampled_timescale, | |
542 | padding >> downsampled_timescale); | |
543 | if (finalize_m4a(m4af, ¶ms, encoder) < 0) | |
544 | goto END; | |
545 | } | |
546 | result = 0; | |
547 | END: | |
548 | if (wavf) wav_teardown(&wavf); | |
549 | if (ifp) fclose(ifp); | |
550 | if (m4af) m4af_teardown(&m4af); | |
551 | if (ofp) fclose(ofp); | |
552 | if (encoder) aacEncClose(&encoder); | |
553 | if (output_filename) free(output_filename); | |
554 | if (params.tag_table) free(params.tag_table); | |
555 | ||
556 | return result; | |
557 | } |