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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 | #include <stdio.h> | |
12 | #include <stdlib.h> | |
13 | #include <string.h> | |
14 | #include <locale.h> | |
15 | #include <errno.h> | |
16 | #include <sys/stat.h> | |
17 | #include <getopt.h> | |
18 | #if HAVE_UNISTD_H | |
19 | #include <unistd.h> | |
20 | #endif | |
21 | #ifdef _WIN32 | |
22 | #include <io.h> | |
23 | #endif | |
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 | size_t rc = fread(data, 1, size, (FILE*)cookie); | |
37 | return ferror((FILE*)cookie) ? -1 : (int)rc; | |
38 | } | |
39 | ||
40 | static | |
41 | int write_callback(void *cookie, const void *data, uint32_t size) | |
42 | { | |
43 | size_t rc = fwrite(data, 1, size, (FILE*)cookie); | |
44 | return ferror((FILE*)cookie) ? -1 : (int)rc; | |
45 | } | |
46 | ||
47 | static | |
48 | int seek_callback(void *cookie, int64_t off, int whence) | |
49 | { | |
50 | return fseeko((FILE*)cookie, off, whence); | |
51 | } | |
52 | ||
53 | static | |
54 | int64_t tell_callback(void *cookie) | |
55 | { | |
56 | return ftello((FILE*)cookie); | |
57 | } | |
58 | ||
59 | static | |
60 | void usage(void) | |
61 | { | |
62 | printf( | |
63 | PROGNAME " %s\n" | |
64 | "Usage: " PROGNAME " [options] input_file\n" | |
65 | "Options:\n" | |
66 | " -h, --help Print this help message\n" | |
67 | " -p, --profile <n> Profile (audio object type)\n" | |
68 | " 2: MPEG-4 AAC LC (default)\n" | |
69 | " 5: MPEG-4 HE-AAC (SBR)\n" | |
70 | " 29: MPEG-4 HE-AAC v2 (SBR+PS)\n" | |
71 | " 23: MPEG-4 AAC LD\n" | |
72 | " 39: MPEG-4 AAC ELD\n" | |
73 | " 129: MPEG-2 AAC LC\n" | |
74 | " 132: MPEG-2 HE-AAC (SBR)\n" | |
75 | " 156: MPEG-2 HE-AAC v2 (SBR+PS)\n" | |
76 | " -b, --bitrate <n> Bitrate in bits per seconds (for CBR)\n" | |
77 | " -m, --bitrate-mode <n> Bitrate configuration\n" | |
78 | " 0: CBR (default)\n" | |
79 | " 1-5: VBR\n" | |
80 | " (VBR mode is not officially supported, and\n" | |
81 | " works only on a certain combination of\n" | |
82 | " parameter settings, sample rate, and\n" | |
83 | " channel configuration)\n" | |
84 | " -w, --bandwidth <n> Frequency bandwidth in Hz (AAC LC only)\n" | |
85 | " -a, --afterburner <n> Afterburner\n" | |
86 | " 0: Off\n" | |
87 | " 1: On(default)\n" | |
88 | " -L, --lowdelay-sbr Enable ELD-SBR (AAC ELD only)\n" | |
89 | " -s, --sbr-signaling <n> SBR signaling mode\n" | |
90 | " 0: Implicit, backward compatible(default)\n" | |
91 | " 1: Explicit SBR and implicit PS\n" | |
92 | " 2: Explicit hierarchical signaling\n" | |
93 | " -f, --transport-format <n> Transport format\n" | |
94 | " 0: RAW (default, muxed into M4A)\n" | |
95 | " 1: ADIF\n" | |
96 | " 2: ADTS\n" | |
97 | " 6: LATM MCP=1\n" | |
98 | " 7: LATM MCP=0\n" | |
99 | " 10: LOAS/LATM (LATM within LOAS)\n" | |
100 | " -c, --adts-crc-check Add CRC protection on ADTS header\n" | |
101 | " -h, --header-period <n> StreamMuxConfig/PCE repetition period in\n" | |
102 | " transport layer\n" | |
103 | "\n" | |
104 | " -o <filename> Output filename\n" | |
105 | " --ignore-length Ignore length of WAV header\n" | |
106 | "\n" | |
107 | "Tagging options:\n" | |
108 | " --title <string>\n" | |
109 | " --artist <string>\n" | |
110 | " --album <string>\n" | |
111 | " --genre <string>\n" | |
112 | " --date <string>\n" | |
113 | " --composer <string>\n" | |
114 | " --grouping <string>\n" | |
115 | " --comment <string>\n" | |
116 | " --album-artist <string>\n" | |
117 | " --track <number[/total]>\n" | |
118 | " --disk <number[/total]>\n" | |
119 | " --tempo <n>\n" | |
120 | , fdkaac_version); | |
121 | } | |
122 | ||
123 | typedef struct aacenc_tag_entry_t { | |
124 | uint32_t tag; | |
125 | const char *data; | |
126 | } aacenc_tag_entry_t; | |
127 | ||
128 | typedef struct aacenc_param_ex_t { | |
129 | AACENC_PARAMS | |
130 | ||
131 | char *input_filename; | |
132 | char *output_filename; | |
133 | unsigned ignore_length; | |
134 | ||
135 | aacenc_tag_entry_t *tag_table; | |
136 | unsigned tag_count; | |
137 | unsigned tag_table_capacity; | |
138 | } aacenc_param_ex_t; | |
139 | ||
140 | static | |
141 | int parse_options(int argc, char **argv, aacenc_param_ex_t *params) | |
142 | { | |
143 | int ch; | |
144 | unsigned n; | |
145 | aacenc_tag_entry_t *tag; | |
146 | ||
147 | static struct option long_options[] = { | |
148 | { "help", no_argument, 0, 'h' }, | |
149 | { "profile", required_argument, 0, 'p' }, | |
150 | { "bitrate", required_argument, 0, 'b' }, | |
151 | { "biterate-mode", required_argument, 0, 'm' }, | |
152 | { "bandwidth", required_argument, 0, 'w' }, | |
153 | { "afterburner", required_argument, 0, 'a' }, | |
154 | { "lowdelay-sbr", no_argument, 0, 'L' }, | |
155 | { "sbr-signaling", required_argument, 0, 's' }, | |
156 | { "transport-format", required_argument, 0, 'f' }, | |
157 | { "adts-crc-check", no_argument, 0, 'c' }, | |
158 | { "header-period", required_argument, 0, 'P' }, | |
159 | ||
160 | { "ignore-length", no_argument, 0, 'I' }, | |
161 | ||
162 | { "title", required_argument, 0, M4AF_TAG_TITLE }, | |
163 | { "artist", required_argument, 0, M4AF_TAG_ARTIST }, | |
164 | { "album", required_argument, 0, M4AF_TAG_ALBUM }, | |
165 | { "genre", required_argument, 0, M4AF_TAG_GENRE }, | |
166 | { "date", required_argument, 0, M4AF_TAG_DATE }, | |
167 | { "composer", required_argument, 0, M4AF_TAG_COMPOSER }, | |
168 | { "grouping", required_argument, 0, M4AF_TAG_GROUPING }, | |
169 | { "comment", required_argument, 0, M4AF_TAG_COMMENT }, | |
170 | { "album-artist", required_argument, 0, M4AF_TAG_ALBUM_ARTIST }, | |
171 | { "track", required_argument, 0, M4AF_TAG_TRACK }, | |
172 | { "disk", required_argument, 0, M4AF_TAG_DISK }, | |
173 | { "tempo", required_argument, 0, M4AF_TAG_TEMPO }, | |
174 | }; | |
175 | params->afterburner = 1; | |
176 | ||
177 | aacenc_getmainargs(&argc, &argv); | |
178 | while ((ch = getopt_long(argc, argv, "hp:b:m:w:a:Ls:f:cP:Io:", | |
179 | long_options, 0)) != EOF) { | |
180 | switch (ch) { | |
181 | case 'h': | |
182 | return usage(), -1; | |
183 | case 'p': | |
184 | if (sscanf(optarg, "%u", &n) != 1) { | |
185 | fprintf(stderr, "invalid arg for profile\n"); | |
186 | return -1; | |
187 | } | |
188 | params->profile = n; | |
189 | break; | |
190 | case 'b': | |
191 | if (sscanf(optarg, "%u", &n) != 1) { | |
192 | fprintf(stderr, "invalid arg for bitrate\n"); | |
193 | return -1; | |
194 | } | |
195 | params->bitrate = n; | |
196 | break; | |
197 | case 'm': | |
198 | if (sscanf(optarg, "%u", &n) != 1 || n > 5) { | |
199 | fprintf(stderr, "invalid arg for bitrate-mode\n"); | |
200 | return -1; | |
201 | } | |
202 | params->bitrate_mode = n; | |
203 | break; | |
204 | case 'w': | |
205 | if (sscanf(optarg, "%u", &n) != 1) { | |
206 | fprintf(stderr, "invalid arg for bandwidth\n"); | |
207 | return -1; | |
208 | } | |
209 | params->bandwidth = n; | |
210 | break; | |
211 | case 'a': | |
212 | if (sscanf(optarg, "%u", &n) != 1 || n > 1) { | |
213 | fprintf(stderr, "invalid arg for afterburner\n"); | |
214 | return -1; | |
215 | } | |
216 | params->afterburner = n; | |
217 | break; | |
218 | case 'L': | |
219 | params->lowdelay_sbr = 1; | |
220 | break; | |
221 | case 's': | |
222 | if (sscanf(optarg, "%u", &n) != 1 || n > 2) { | |
223 | fprintf(stderr, "invalid arg for sbr-signaling\n"); | |
224 | return -1; | |
225 | } | |
226 | params->sbr_signaling = n; | |
227 | break; | |
228 | case 'f': | |
229 | if (sscanf(optarg, "%u", &n) != 1) { | |
230 | fprintf(stderr, "invalid arg for transport-format\n"); | |
231 | return -1; | |
232 | } | |
233 | params->transport_format = n; | |
234 | break; | |
235 | case 'c': | |
236 | params->adts_crc_check = 1; | |
237 | break; | |
238 | case 'P': | |
239 | if (sscanf(optarg, "%u", &n) != 1) { | |
240 | fprintf(stderr, "invalid arg for header-period\n"); | |
241 | return -1; | |
242 | } | |
243 | params->header_period = n; | |
244 | break; | |
245 | case 'o': | |
246 | params->output_filename = optarg; | |
247 | break; | |
248 | case 'I': | |
249 | params->ignore_length = 1; | |
250 | break; | |
251 | case M4AF_TAG_TITLE: | |
252 | case M4AF_TAG_ARTIST: | |
253 | case M4AF_TAG_ALBUM: | |
254 | case M4AF_TAG_GENRE: | |
255 | case M4AF_TAG_DATE: | |
256 | case M4AF_TAG_COMPOSER: | |
257 | case M4AF_TAG_GROUPING: | |
258 | case M4AF_TAG_COMMENT: | |
259 | case M4AF_TAG_ALBUM_ARTIST: | |
260 | case M4AF_TAG_TRACK: | |
261 | case M4AF_TAG_DISK: | |
262 | case M4AF_TAG_TEMPO: | |
263 | if (params->tag_count == params->tag_table_capacity) { | |
264 | unsigned newsize = params->tag_table_capacity; | |
265 | newsize = newsize ? newsize * 2 : 1; | |
266 | params->tag_table = | |
267 | realloc(params->tag_table, | |
268 | newsize * sizeof(aacenc_tag_entry_t)); | |
269 | params->tag_table_capacity = newsize; | |
270 | } | |
271 | tag = params->tag_table + params->tag_count; | |
272 | tag->tag = ch; | |
273 | tag->data = optarg; | |
274 | params->tag_count++; | |
275 | break; | |
276 | default: | |
277 | return usage(), -1; | |
278 | } | |
279 | } | |
280 | if (argc == optind) | |
281 | return usage(), -1; | |
282 | if (!params->bitrate && !params->bitrate_mode) { | |
283 | fprintf(stderr, "bitrate or bitrate-mode is mandatory\n"); | |
284 | return -1; | |
285 | } | |
286 | if (params->output_filename && !strcmp(params->output_filename, "-") && | |
287 | !params->transport_format) { | |
288 | fprintf(stderr, "stdout streaming is not available on M4A output\n"); | |
289 | return -1; | |
290 | } | |
291 | if (params->bitrate && params->bitrate < 10000) | |
292 | params->bitrate *= 1000; | |
293 | params->input_filename = argv[optind]; | |
294 | return 0; | |
295 | }; | |
296 | ||
297 | static | |
298 | int write_sample(FILE *ofp, m4af_writer_t *m4af, | |
299 | const void *data, uint32_t size, uint32_t duration) | |
300 | { | |
301 | if (!m4af) { | |
302 | fwrite(data, 1, size, ofp); | |
303 | if (ferror(ofp)) { | |
304 | fprintf(stderr, "ERROR: fwrite(): %s\n", strerror(errno)); | |
305 | return -1; | |
306 | } | |
307 | } else if (m4af_write_sample(m4af, 0, data, size, duration) < 0) { | |
308 | fprintf(stderr, "ERROR: failed to write m4a sample\n"); | |
309 | return -1; | |
310 | } | |
311 | return 0; | |
312 | } | |
313 | ||
314 | static | |
315 | int encode(wav_reader_t *wavf, HANDLE_AACENCODER encoder, | |
316 | uint32_t frame_length, FILE *ofp, m4af_writer_t *m4af) | |
317 | { | |
318 | uint8_t *ibuf = 0; | |
319 | int16_t *pcmbuf = 0; | |
320 | uint32_t pcmsize = 0; | |
321 | uint8_t *obuf = 0; | |
322 | uint32_t olen; | |
323 | uint32_t osize = 0; | |
324 | int nread = 1; | |
325 | int consumed; | |
326 | int rc = -1; | |
327 | int frames_written = 0; | |
328 | aacenc_progress_t progress = { 0 }; | |
329 | const pcm_sample_description_t *format = wav_get_format(wavf); | |
330 | ||
331 | ibuf = malloc(frame_length * format->bytes_per_frame); | |
332 | aacenc_progress_init(&progress, wav_get_length(wavf), format->sample_rate); | |
333 | do { | |
334 | if (nread) { | |
335 | if ((nread = wav_read_frames(wavf, ibuf, frame_length)) < 0) { | |
336 | fprintf(stderr, "ERROR: read failed\n"); | |
337 | goto END; | |
338 | } else if (nread > 0) { | |
339 | if (pcm_convert_to_native_sint16(format, ibuf, nread, | |
340 | &pcmbuf, &pcmsize) < 0) { | |
341 | fprintf(stderr, "ERROR: unsupported sample format\n"); | |
342 | goto END; | |
343 | } | |
344 | } | |
345 | aacenc_progress_update(&progress, wav_get_position(wavf), | |
346 | format->sample_rate * 2); | |
347 | } | |
348 | if ((consumed = aac_encode_frame(encoder, format, pcmbuf, nread, | |
349 | &obuf, &olen, &osize)) < 0) | |
350 | goto END; | |
351 | if (olen > 0) { | |
352 | if (write_sample(ofp, m4af, obuf, olen, frame_length) < 0) | |
353 | goto END; | |
354 | ++frames_written; | |
355 | } | |
356 | } while (nread > 0 || olen > 0); | |
357 | aacenc_progress_finish(&progress, wav_get_position(wavf)); | |
358 | rc = frames_written; | |
359 | END: | |
360 | if (ibuf) free(ibuf); | |
361 | if (pcmbuf) free(pcmbuf); | |
362 | if (obuf) free(obuf); | |
363 | return rc; | |
364 | } | |
365 | ||
366 | static | |
367 | int finalize_m4a(m4af_writer_t *m4af, const aacenc_param_ex_t *params, | |
368 | HANDLE_AACENCODER encoder) | |
369 | { | |
370 | unsigned i; | |
371 | aacenc_tag_entry_t *tag = params->tag_table; | |
372 | ||
373 | for (i = 0; i < params->tag_count; ++i, ++tag) { | |
374 | switch (tag->tag) { | |
375 | case M4AF_TAG_TRACK: | |
376 | { | |
377 | unsigned m, n = 0; | |
378 | if (sscanf(tag->data, "%u/%u", &m, &n) >= 1) | |
379 | m4af_add_itmf_track_tag(m4af, m, n); | |
380 | break; | |
381 | } | |
382 | case M4AF_TAG_DISK: | |
383 | { | |
384 | unsigned m, n = 0; | |
385 | if (sscanf(tag->data, "%u/%u", &m, &n) >= 1) | |
386 | m4af_add_itmf_disk_tag(m4af, m, n); | |
387 | break; | |
388 | } | |
389 | case M4AF_TAG_TEMPO: | |
390 | { | |
391 | unsigned n; | |
392 | if (sscanf(tag->data, "%u", &n) == 1) | |
393 | m4af_add_itmf_int16_tag(m4af, tag->tag, n); | |
394 | break; | |
395 | } | |
396 | default: | |
397 | { | |
398 | char *u8 = aacenc_to_utf8(tag->data); | |
399 | m4af_add_itmf_string_tag(m4af, tag->tag, u8); | |
400 | free(u8); | |
401 | } | |
402 | } | |
403 | } | |
404 | { | |
405 | char tool_info[256]; | |
406 | char *p = tool_info; | |
407 | LIB_INFO *lib_info = 0; | |
408 | ||
409 | p += sprintf(p, PROGNAME " %s, ", fdkaac_version); | |
410 | ||
411 | lib_info = calloc(FDK_MODULE_LAST, sizeof(LIB_INFO)); | |
412 | if (aacEncGetLibInfo(lib_info) == AACENC_OK) { | |
413 | for (i = 0; i < FDK_MODULE_LAST; ++i) | |
414 | if (lib_info[i].module_id == FDK_AACENC) | |
415 | break; | |
416 | p += sprintf(p, "libfdk-aac %s, ", lib_info[i].versionStr); | |
417 | } | |
418 | free(lib_info); | |
419 | if (params->bitrate_mode) | |
420 | sprintf(p, "VBR mode %d", params->bitrate_mode); | |
421 | else | |
422 | sprintf(p, "CBR %dkbps", | |
423 | aacEncoder_GetParam(encoder, AACENC_BITRATE) / 1000); | |
424 | ||
425 | m4af_add_itmf_string_tag(m4af, M4AF_TAG_TOOL, tool_info); | |
426 | } | |
427 | if (m4af_finalize(m4af) < 0) { | |
428 | fprintf(stderr, "ERROR: failed to finalize m4a\n"); | |
429 | return -1; | |
430 | } | |
431 | return 0; | |
432 | } | |
433 | ||
434 | static | |
435 | const char *basename(const char *filename) | |
436 | { | |
437 | char *p = strrchr(filename, '/'); | |
438 | #ifdef _WIN32 | |
439 | char *q = strrchr(filename, '\\'); | |
440 | if (p < q) p = q; | |
441 | #endif | |
442 | return p ? p + 1 : filename; | |
443 | } | |
444 | ||
445 | static | |
446 | char *generate_output_filename(const char *filename, const char *ext) | |
447 | { | |
448 | char *p = 0; | |
449 | size_t ext_len = strlen(ext); | |
450 | ||
451 | if (strcmp(filename, "-") == 0) { | |
452 | p = malloc(ext_len + 6); | |
453 | sprintf(p, "stdin%s", ext); | |
454 | } else { | |
455 | const char *base = basename(filename); | |
456 | size_t ilen = strlen(base); | |
457 | const char *ext_org = strrchr(base, '.'); | |
458 | if (ext_org) ilen = ext_org - base; | |
459 | p = malloc(ilen + ext_len + 1); | |
460 | sprintf(p, "%.*s%s", ilen, base, ext); | |
461 | } | |
462 | return p; | |
463 | } | |
464 | ||
465 | int main(int argc, char **argv) | |
466 | { | |
467 | wav_io_context_t wav_io = { read_callback, seek_callback }; | |
468 | m4af_io_callbacks_t m4af_io = { | |
469 | write_callback, seek_callback, tell_callback }; | |
470 | aacenc_param_ex_t params = { 0 }; | |
471 | ||
472 | int result = 2; | |
473 | FILE *ifp = 0; | |
474 | FILE *ofp = 0; | |
475 | char *output_filename = 0; | |
476 | wav_reader_t *wavf = 0; | |
477 | HANDLE_AACENCODER encoder = 0; | |
478 | AACENC_InfoStruct aacinfo = { 0 }; | |
479 | m4af_writer_t *m4af = 0; | |
480 | const pcm_sample_description_t *sample_format; | |
481 | int downsampled_timescale = 0; | |
482 | int frame_count = 0; | |
483 | struct stat stb = { 0 }; | |
484 | ||
485 | setlocale(LC_CTYPE, ""); | |
486 | setbuf(stderr, 0); | |
487 | ||
488 | if (parse_options(argc, argv, ¶ms) < 0) | |
489 | return 1; | |
490 | ||
491 | if ((ifp = aacenc_fopen(params.input_filename, "rb")) == 0) { | |
492 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.input_filename, | |
493 | strerror(errno)); | |
494 | goto END; | |
495 | } | |
496 | ||
497 | if (fstat(fileno(ifp), &stb) == 0 && (stb.st_mode & S_IFMT) != S_IFREG) | |
498 | wav_io.seek = 0; | |
499 | ||
500 | if ((wavf = wav_open(&wav_io, ifp, params.ignore_length)) == 0) { | |
501 | fprintf(stderr, "ERROR: broken / unsupported input file\n"); | |
502 | goto END; | |
503 | } | |
504 | sample_format = wav_get_format(wavf); | |
505 | ||
506 | if (aacenc_init(&encoder, (aacenc_param_t*)¶ms, sample_format, | |
507 | &aacinfo) < 0) | |
508 | goto END; | |
509 | ||
510 | if (!params.output_filename) { | |
511 | const char *ext = params.transport_format ? ".aac" : ".m4a"; | |
512 | output_filename = generate_output_filename(params.input_filename, ext); | |
513 | params.output_filename = output_filename; | |
514 | } | |
515 | ||
516 | if ((ofp = aacenc_fopen(params.output_filename, "wb")) == 0) { | |
517 | aacenc_fprintf(stderr, "ERROR: %s: %s\n", params.output_filename, | |
518 | strerror(errno)); | |
519 | goto END; | |
520 | } | |
521 | if (!params.transport_format) { | |
522 | uint32_t scale; | |
523 | unsigned framelen = aacinfo.frameLength; | |
524 | int sbr_mode = aacenc_is_sbr_active((aacenc_param_t*)¶ms); | |
525 | int sig_mode = aacEncoder_GetParam(encoder, AACENC_SIGNALING_MODE); | |
526 | if (sbr_mode && !sig_mode) | |
527 | downsampled_timescale = 1; | |
528 | scale = sample_format->sample_rate >> downsampled_timescale; | |
529 | if ((m4af = m4af_create(M4AF_CODEC_MP4A, scale, &m4af_io, ofp)) < 0) | |
530 | goto END; | |
531 | m4af_decoder_specific_info(m4af, 0, aacinfo.confBuf, aacinfo.confSize); | |
532 | m4af_set_fixed_frame_duration(m4af, 0, | |
533 | framelen >> downsampled_timescale); | |
534 | m4af_begin_write(m4af); | |
535 | } | |
536 | frame_count = encode(wavf, encoder, aacinfo.frameLength, ofp, m4af); | |
537 | if (frame_count < 0) | |
538 | goto END; | |
539 | if (m4af) { | |
540 | uint32_t delay = aacinfo.encoderDelay; | |
541 | int64_t frames_read = wav_get_position(wavf); | |
542 | uint32_t padding = frame_count * aacinfo.frameLength | |
543 | - frames_read - aacinfo.encoderDelay; | |
544 | m4af_set_priming(m4af, 0, delay >> downsampled_timescale, | |
545 | padding >> downsampled_timescale); | |
546 | if (finalize_m4a(m4af, ¶ms, encoder) < 0) | |
547 | goto END; | |
548 | } | |
549 | result = 0; | |
550 | END: | |
551 | if (wavf) wav_teardown(&wavf); | |
552 | if (ifp) fclose(ifp); | |
553 | if (m4af) m4af_teardown(&m4af); | |
554 | if (ofp) fclose(ofp); | |
555 | if (encoder) aacEncClose(&encoder); | |
556 | if (output_filename) free(output_filename); | |
557 | if (params.tag_table) free(params.tag_table); | |
558 | ||
559 | return result; | |
560 | } |