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2ba45a60 DM |
1 | /* |
2 | * ffmpeg option parsing | |
3 | * | |
4 | * This file is part of FFmpeg. | |
5 | * | |
6 | * FFmpeg is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
10 | * | |
11 | * FFmpeg is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Lesser General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Lesser General Public | |
17 | * License along with FFmpeg; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <stdint.h> | |
22 | ||
23 | #include "ffmpeg.h" | |
24 | #include "cmdutils.h" | |
25 | ||
26 | #include "libavformat/avformat.h" | |
27 | ||
28 | #include "libavcodec/avcodec.h" | |
29 | ||
30 | #include "libavfilter/avfilter.h" | |
31 | ||
32 | #include "libavutil/avassert.h" | |
33 | #include "libavutil/avstring.h" | |
34 | #include "libavutil/avutil.h" | |
35 | #include "libavutil/channel_layout.h" | |
36 | #include "libavutil/intreadwrite.h" | |
37 | #include "libavutil/fifo.h" | |
38 | #include "libavutil/mathematics.h" | |
39 | #include "libavutil/opt.h" | |
40 | #include "libavutil/parseutils.h" | |
41 | #include "libavutil/pixdesc.h" | |
42 | #include "libavutil/pixfmt.h" | |
43 | ||
44 | #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\ | |
45 | {\ | |
46 | int i, ret;\ | |
47 | for (i = 0; i < o->nb_ ## name; i++) {\ | |
48 | char *spec = o->name[i].specifier;\ | |
49 | if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\ | |
50 | outvar = o->name[i].u.type;\ | |
51 | else if (ret < 0)\ | |
52 | exit_program(1);\ | |
53 | }\ | |
54 | } | |
55 | ||
56 | #define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\ | |
57 | {\ | |
58 | int i;\ | |
59 | for (i = 0; i < o->nb_ ## name; i++) {\ | |
60 | char *spec = o->name[i].specifier;\ | |
61 | if (!strcmp(spec, mediatype))\ | |
62 | outvar = o->name[i].u.type;\ | |
63 | }\ | |
64 | } | |
65 | ||
66 | const HWAccel hwaccels[] = { | |
67 | #if HAVE_VDPAU_X11 | |
68 | { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU }, | |
69 | #endif | |
70 | #if HAVE_DXVA2_LIB | |
71 | { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD }, | |
72 | #endif | |
73 | #if CONFIG_VDA | |
74 | { "vda", vda_init, HWACCEL_VDA, AV_PIX_FMT_VDA }, | |
75 | #endif | |
76 | { 0 }, | |
77 | }; | |
78 | ||
79 | char *vstats_filename; | |
80 | ||
81 | float audio_drift_threshold = 0.1; | |
82 | float dts_delta_threshold = 10; | |
83 | float dts_error_threshold = 3600*30; | |
84 | ||
85 | int audio_volume = 256; | |
86 | int audio_sync_method = 0; | |
87 | int video_sync_method = VSYNC_AUTO; | |
88 | int do_deinterlace = 0; | |
89 | int do_benchmark = 0; | |
90 | int do_benchmark_all = 0; | |
91 | int do_hex_dump = 0; | |
92 | int do_pkt_dump = 0; | |
93 | int copy_ts = 0; | |
94 | int copy_tb = -1; | |
95 | int debug_ts = 0; | |
96 | int exit_on_error = 0; | |
97 | int print_stats = -1; | |
98 | int qp_hist = 0; | |
99 | int stdin_interaction = 1; | |
100 | int frame_bits_per_raw_sample = 0; | |
101 | float max_error_rate = 2.0/3; | |
102 | ||
103 | ||
104 | static int intra_only = 0; | |
105 | static int file_overwrite = 0; | |
106 | static int no_file_overwrite = 0; | |
107 | static int do_psnr = 0; | |
108 | static int input_sync; | |
109 | static int override_ffserver = 0; | |
110 | ||
111 | static void uninit_options(OptionsContext *o) | |
112 | { | |
113 | const OptionDef *po = options; | |
114 | int i; | |
115 | ||
116 | /* all OPT_SPEC and OPT_STRING can be freed in generic way */ | |
117 | while (po->name) { | |
118 | void *dst = (uint8_t*)o + po->u.off; | |
119 | ||
120 | if (po->flags & OPT_SPEC) { | |
121 | SpecifierOpt **so = dst; | |
122 | int i, *count = (int*)(so + 1); | |
123 | for (i = 0; i < *count; i++) { | |
124 | av_freep(&(*so)[i].specifier); | |
125 | if (po->flags & OPT_STRING) | |
126 | av_freep(&(*so)[i].u.str); | |
127 | } | |
128 | av_freep(so); | |
129 | *count = 0; | |
130 | } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING) | |
131 | av_freep(dst); | |
132 | po++; | |
133 | } | |
134 | ||
135 | for (i = 0; i < o->nb_stream_maps; i++) | |
136 | av_freep(&o->stream_maps[i].linklabel); | |
137 | av_freep(&o->stream_maps); | |
138 | av_freep(&o->audio_channel_maps); | |
139 | av_freep(&o->streamid_map); | |
140 | av_freep(&o->attachments); | |
141 | } | |
142 | ||
143 | static void init_options(OptionsContext *o) | |
144 | { | |
145 | memset(o, 0, sizeof(*o)); | |
146 | ||
147 | o->stop_time = INT64_MAX; | |
148 | o->mux_max_delay = 0.7; | |
149 | o->start_time = AV_NOPTS_VALUE; | |
150 | o->recording_time = INT64_MAX; | |
151 | o->limit_filesize = UINT64_MAX; | |
152 | o->chapters_input_file = INT_MAX; | |
153 | o->accurate_seek = 1; | |
154 | } | |
155 | ||
156 | /* return a copy of the input with the stream specifiers removed from the keys */ | |
157 | static AVDictionary *strip_specifiers(AVDictionary *dict) | |
158 | { | |
159 | AVDictionaryEntry *e = NULL; | |
160 | AVDictionary *ret = NULL; | |
161 | ||
162 | while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) { | |
163 | char *p = strchr(e->key, ':'); | |
164 | ||
165 | if (p) | |
166 | *p = 0; | |
167 | av_dict_set(&ret, e->key, e->value, 0); | |
168 | if (p) | |
169 | *p = ':'; | |
170 | } | |
171 | return ret; | |
172 | } | |
173 | ||
174 | static int opt_sameq(void *optctx, const char *opt, const char *arg) | |
175 | { | |
176 | av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. " | |
177 | "If you are looking for an option to preserve the quality (which is not " | |
178 | "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n", | |
179 | opt, opt); | |
180 | return AVERROR(EINVAL); | |
181 | } | |
182 | ||
183 | static int opt_video_channel(void *optctx, const char *opt, const char *arg) | |
184 | { | |
185 | av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n"); | |
186 | return opt_default(optctx, "channel", arg); | |
187 | } | |
188 | ||
189 | static int opt_video_standard(void *optctx, const char *opt, const char *arg) | |
190 | { | |
191 | av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n"); | |
192 | return opt_default(optctx, "standard", arg); | |
193 | } | |
194 | ||
195 | static int opt_audio_codec(void *optctx, const char *opt, const char *arg) | |
196 | { | |
197 | OptionsContext *o = optctx; | |
198 | return parse_option(o, "codec:a", arg, options); | |
199 | } | |
200 | ||
201 | static int opt_video_codec(void *optctx, const char *opt, const char *arg) | |
202 | { | |
203 | OptionsContext *o = optctx; | |
204 | return parse_option(o, "codec:v", arg, options); | |
205 | } | |
206 | ||
207 | static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg) | |
208 | { | |
209 | OptionsContext *o = optctx; | |
210 | return parse_option(o, "codec:s", arg, options); | |
211 | } | |
212 | ||
213 | static int opt_data_codec(void *optctx, const char *opt, const char *arg) | |
214 | { | |
215 | OptionsContext *o = optctx; | |
216 | return parse_option(o, "codec:d", arg, options); | |
217 | } | |
218 | ||
219 | static int opt_map(void *optctx, const char *opt, const char *arg) | |
220 | { | |
221 | OptionsContext *o = optctx; | |
222 | StreamMap *m = NULL; | |
223 | int i, negative = 0, file_idx; | |
224 | int sync_file_idx = -1, sync_stream_idx = 0; | |
225 | char *p, *sync; | |
226 | char *map; | |
227 | ||
228 | if (*arg == '-') { | |
229 | negative = 1; | |
230 | arg++; | |
231 | } | |
232 | map = av_strdup(arg); | |
233 | ||
234 | /* parse sync stream first, just pick first matching stream */ | |
235 | if (sync = strchr(map, ',')) { | |
236 | *sync = 0; | |
237 | sync_file_idx = strtol(sync + 1, &sync, 0); | |
238 | if (sync_file_idx >= nb_input_files || sync_file_idx < 0) { | |
239 | av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx); | |
240 | exit_program(1); | |
241 | } | |
242 | if (*sync) | |
243 | sync++; | |
244 | for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++) | |
245 | if (check_stream_specifier(input_files[sync_file_idx]->ctx, | |
246 | input_files[sync_file_idx]->ctx->streams[i], sync) == 1) { | |
247 | sync_stream_idx = i; | |
248 | break; | |
249 | } | |
250 | if (i == input_files[sync_file_idx]->nb_streams) { | |
251 | av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not " | |
252 | "match any streams.\n", arg); | |
253 | exit_program(1); | |
254 | } | |
255 | } | |
256 | ||
257 | ||
258 | if (map[0] == '[') { | |
259 | /* this mapping refers to lavfi output */ | |
260 | const char *c = map + 1; | |
261 | GROW_ARRAY(o->stream_maps, o->nb_stream_maps); | |
262 | m = &o->stream_maps[o->nb_stream_maps - 1]; | |
263 | m->linklabel = av_get_token(&c, "]"); | |
264 | if (!m->linklabel) { | |
265 | av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map); | |
266 | exit_program(1); | |
267 | } | |
268 | } else { | |
269 | file_idx = strtol(map, &p, 0); | |
270 | if (file_idx >= nb_input_files || file_idx < 0) { | |
271 | av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx); | |
272 | exit_program(1); | |
273 | } | |
274 | if (negative) | |
275 | /* disable some already defined maps */ | |
276 | for (i = 0; i < o->nb_stream_maps; i++) { | |
277 | m = &o->stream_maps[i]; | |
278 | if (file_idx == m->file_index && | |
279 | check_stream_specifier(input_files[m->file_index]->ctx, | |
280 | input_files[m->file_index]->ctx->streams[m->stream_index], | |
281 | *p == ':' ? p + 1 : p) > 0) | |
282 | m->disabled = 1; | |
283 | } | |
284 | else | |
285 | for (i = 0; i < input_files[file_idx]->nb_streams; i++) { | |
286 | if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i], | |
287 | *p == ':' ? p + 1 : p) <= 0) | |
288 | continue; | |
289 | GROW_ARRAY(o->stream_maps, o->nb_stream_maps); | |
290 | m = &o->stream_maps[o->nb_stream_maps - 1]; | |
291 | ||
292 | m->file_index = file_idx; | |
293 | m->stream_index = i; | |
294 | ||
295 | if (sync_file_idx >= 0) { | |
296 | m->sync_file_index = sync_file_idx; | |
297 | m->sync_stream_index = sync_stream_idx; | |
298 | } else { | |
299 | m->sync_file_index = file_idx; | |
300 | m->sync_stream_index = i; | |
301 | } | |
302 | } | |
303 | } | |
304 | ||
305 | if (!m) { | |
306 | av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg); | |
307 | exit_program(1); | |
308 | } | |
309 | ||
310 | av_freep(&map); | |
311 | return 0; | |
312 | } | |
313 | ||
314 | static int opt_attach(void *optctx, const char *opt, const char *arg) | |
315 | { | |
316 | OptionsContext *o = optctx; | |
317 | GROW_ARRAY(o->attachments, o->nb_attachments); | |
318 | o->attachments[o->nb_attachments - 1] = arg; | |
319 | return 0; | |
320 | } | |
321 | ||
322 | static int opt_map_channel(void *optctx, const char *opt, const char *arg) | |
323 | { | |
324 | OptionsContext *o = optctx; | |
325 | int n; | |
326 | AVStream *st; | |
327 | AudioChannelMap *m; | |
328 | ||
329 | GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps); | |
330 | m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1]; | |
331 | ||
332 | /* muted channel syntax */ | |
333 | n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx); | |
334 | if ((n == 1 || n == 3) && m->channel_idx == -1) { | |
335 | m->file_idx = m->stream_idx = -1; | |
336 | if (n == 1) | |
337 | m->ofile_idx = m->ostream_idx = -1; | |
338 | return 0; | |
339 | } | |
340 | ||
341 | /* normal syntax */ | |
342 | n = sscanf(arg, "%d.%d.%d:%d.%d", | |
343 | &m->file_idx, &m->stream_idx, &m->channel_idx, | |
344 | &m->ofile_idx, &m->ostream_idx); | |
345 | ||
346 | if (n != 3 && n != 5) { | |
347 | av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: " | |
348 | "[file.stream.channel|-1][:syncfile:syncstream]\n"); | |
349 | exit_program(1); | |
350 | } | |
351 | ||
352 | if (n != 5) // only file.stream.channel specified | |
353 | m->ofile_idx = m->ostream_idx = -1; | |
354 | ||
355 | /* check input */ | |
356 | if (m->file_idx < 0 || m->file_idx >= nb_input_files) { | |
357 | av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n", | |
358 | m->file_idx); | |
359 | exit_program(1); | |
360 | } | |
361 | if (m->stream_idx < 0 || | |
362 | m->stream_idx >= input_files[m->file_idx]->nb_streams) { | |
363 | av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n", | |
364 | m->file_idx, m->stream_idx); | |
365 | exit_program(1); | |
366 | } | |
367 | st = input_files[m->file_idx]->ctx->streams[m->stream_idx]; | |
368 | if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) { | |
369 | av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n", | |
370 | m->file_idx, m->stream_idx); | |
371 | exit_program(1); | |
372 | } | |
373 | if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) { | |
374 | av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n", | |
375 | m->file_idx, m->stream_idx, m->channel_idx); | |
376 | exit_program(1); | |
377 | } | |
378 | return 0; | |
379 | } | |
380 | ||
381 | /** | |
382 | * Parse a metadata specifier passed as 'arg' parameter. | |
383 | * @param arg metadata string to parse | |
384 | * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram) | |
385 | * @param index for type c/p, chapter/program index is written here | |
386 | * @param stream_spec for type s, the stream specifier is written here | |
387 | */ | |
388 | static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec) | |
389 | { | |
390 | if (*arg) { | |
391 | *type = *arg; | |
392 | switch (*arg) { | |
393 | case 'g': | |
394 | break; | |
395 | case 's': | |
396 | if (*(++arg) && *arg != ':') { | |
397 | av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg); | |
398 | exit_program(1); | |
399 | } | |
400 | *stream_spec = *arg == ':' ? arg + 1 : ""; | |
401 | break; | |
402 | case 'c': | |
403 | case 'p': | |
404 | if (*(++arg) == ':') | |
405 | *index = strtol(++arg, NULL, 0); | |
406 | break; | |
407 | default: | |
408 | av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg); | |
409 | exit_program(1); | |
410 | } | |
411 | } else | |
412 | *type = 'g'; | |
413 | } | |
414 | ||
415 | static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o) | |
416 | { | |
417 | AVDictionary **meta_in = NULL; | |
418 | AVDictionary **meta_out = NULL; | |
419 | int i, ret = 0; | |
420 | char type_in, type_out; | |
421 | const char *istream_spec = NULL, *ostream_spec = NULL; | |
422 | int idx_in = 0, idx_out = 0; | |
423 | ||
424 | parse_meta_type(inspec, &type_in, &idx_in, &istream_spec); | |
425 | parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec); | |
426 | ||
427 | if (!ic) { | |
428 | if (type_out == 'g' || !*outspec) | |
429 | o->metadata_global_manual = 1; | |
430 | if (type_out == 's' || !*outspec) | |
431 | o->metadata_streams_manual = 1; | |
432 | if (type_out == 'c' || !*outspec) | |
433 | o->metadata_chapters_manual = 1; | |
434 | return 0; | |
435 | } | |
436 | ||
437 | if (type_in == 'g' || type_out == 'g') | |
438 | o->metadata_global_manual = 1; | |
439 | if (type_in == 's' || type_out == 's') | |
440 | o->metadata_streams_manual = 1; | |
441 | if (type_in == 'c' || type_out == 'c') | |
442 | o->metadata_chapters_manual = 1; | |
443 | ||
444 | /* ic is NULL when just disabling automatic mappings */ | |
445 | if (!ic) | |
446 | return 0; | |
447 | ||
448 | #define METADATA_CHECK_INDEX(index, nb_elems, desc)\ | |
449 | if ((index) < 0 || (index) >= (nb_elems)) {\ | |
450 | av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\ | |
451 | (desc), (index));\ | |
452 | exit_program(1);\ | |
453 | } | |
454 | ||
455 | #define SET_DICT(type, meta, context, index)\ | |
456 | switch (type) {\ | |
457 | case 'g':\ | |
458 | meta = &context->metadata;\ | |
459 | break;\ | |
460 | case 'c':\ | |
461 | METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\ | |
462 | meta = &context->chapters[index]->metadata;\ | |
463 | break;\ | |
464 | case 'p':\ | |
465 | METADATA_CHECK_INDEX(index, context->nb_programs, "program")\ | |
466 | meta = &context->programs[index]->metadata;\ | |
467 | break;\ | |
468 | case 's':\ | |
469 | break; /* handled separately below */ \ | |
470 | default: av_assert0(0);\ | |
471 | }\ | |
472 | ||
473 | SET_DICT(type_in, meta_in, ic, idx_in); | |
474 | SET_DICT(type_out, meta_out, oc, idx_out); | |
475 | ||
476 | /* for input streams choose first matching stream */ | |
477 | if (type_in == 's') { | |
478 | for (i = 0; i < ic->nb_streams; i++) { | |
479 | if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) { | |
480 | meta_in = &ic->streams[i]->metadata; | |
481 | break; | |
482 | } else if (ret < 0) | |
483 | exit_program(1); | |
484 | } | |
485 | if (!meta_in) { | |
486 | av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec); | |
487 | exit_program(1); | |
488 | } | |
489 | } | |
490 | ||
491 | if (type_out == 's') { | |
492 | for (i = 0; i < oc->nb_streams; i++) { | |
493 | if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) { | |
494 | meta_out = &oc->streams[i]->metadata; | |
495 | av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); | |
496 | } else if (ret < 0) | |
497 | exit_program(1); | |
498 | } | |
499 | } else | |
500 | av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); | |
501 | ||
502 | return 0; | |
503 | } | |
504 | ||
505 | static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg) | |
506 | { | |
507 | OptionsContext *o = optctx; | |
508 | char buf[128]; | |
509 | int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6; | |
510 | struct tm time = *gmtime((time_t*)&recording_timestamp); | |
511 | strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time); | |
512 | parse_option(o, "metadata", buf, options); | |
513 | ||
514 | av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata " | |
515 | "tag instead.\n", opt); | |
516 | return 0; | |
517 | } | |
518 | ||
519 | static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) | |
520 | { | |
521 | const AVCodecDescriptor *desc; | |
522 | const char *codec_string = encoder ? "encoder" : "decoder"; | |
523 | AVCodec *codec; | |
524 | ||
525 | codec = encoder ? | |
526 | avcodec_find_encoder_by_name(name) : | |
527 | avcodec_find_decoder_by_name(name); | |
528 | ||
529 | if (!codec && (desc = avcodec_descriptor_get_by_name(name))) { | |
530 | codec = encoder ? avcodec_find_encoder(desc->id) : | |
531 | avcodec_find_decoder(desc->id); | |
532 | if (codec) | |
533 | av_log(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n", | |
534 | codec_string, codec->name, desc->name); | |
535 | } | |
536 | ||
537 | if (!codec) { | |
538 | av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); | |
539 | exit_program(1); | |
540 | } | |
541 | if (codec->type != type) { | |
542 | av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); | |
543 | exit_program(1); | |
544 | } | |
545 | return codec; | |
546 | } | |
547 | ||
548 | static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st) | |
549 | { | |
550 | char *codec_name = NULL; | |
551 | ||
552 | MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st); | |
553 | if (codec_name) { | |
554 | AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0); | |
555 | st->codec->codec_id = codec->id; | |
556 | return codec; | |
557 | } else | |
558 | return avcodec_find_decoder(st->codec->codec_id); | |
559 | } | |
560 | ||
561 | /* Add all the streams from the given input file to the global | |
562 | * list of input streams. */ | |
563 | static void add_input_streams(OptionsContext *o, AVFormatContext *ic) | |
564 | { | |
565 | int i, ret; | |
566 | ||
567 | for (i = 0; i < ic->nb_streams; i++) { | |
568 | AVStream *st = ic->streams[i]; | |
569 | AVCodecContext *dec = st->codec; | |
570 | InputStream *ist = av_mallocz(sizeof(*ist)); | |
571 | char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL; | |
572 | char *codec_tag = NULL; | |
573 | char *next; | |
574 | char *discard_str = NULL; | |
575 | const AVOption *discard_opt = av_opt_find(dec, "skip_frame", NULL, 0, 0); | |
576 | ||
577 | if (!ist) | |
578 | exit_program(1); | |
579 | ||
580 | GROW_ARRAY(input_streams, nb_input_streams); | |
581 | input_streams[nb_input_streams - 1] = ist; | |
582 | ||
583 | ist->st = st; | |
584 | ist->file_index = nb_input_files; | |
585 | ist->discard = 1; | |
586 | st->discard = AVDISCARD_ALL; | |
587 | ||
588 | ist->ts_scale = 1.0; | |
589 | MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); | |
590 | ||
591 | MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st); | |
592 | if (codec_tag) { | |
593 | uint32_t tag = strtol(codec_tag, &next, 0); | |
594 | if (*next) | |
595 | tag = AV_RL32(codec_tag); | |
596 | st->codec->codec_tag = tag; | |
597 | } | |
598 | ||
599 | ist->dec = choose_decoder(o, ic, st); | |
600 | ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec); | |
601 | ||
602 | ist->reinit_filters = -1; | |
603 | MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st); | |
604 | ||
605 | MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st); | |
606 | ist->user_set_discard = AVDISCARD_NONE; | |
607 | if (discard_str && av_opt_eval_int(dec, discard_opt, discard_str, &ist->user_set_discard) < 0) { | |
608 | av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n", | |
609 | discard_str); | |
610 | exit_program(1); | |
611 | } | |
612 | ||
613 | ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE; | |
614 | ||
615 | ist->dec_ctx = avcodec_alloc_context3(ist->dec); | |
616 | if (!ist->dec_ctx) { | |
617 | av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n"); | |
618 | exit_program(1); | |
619 | } | |
620 | ||
621 | ret = avcodec_copy_context(ist->dec_ctx, dec); | |
622 | if (ret < 0) { | |
623 | av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n"); | |
624 | exit_program(1); | |
625 | } | |
626 | ||
627 | switch (dec->codec_type) { | |
628 | case AVMEDIA_TYPE_VIDEO: | |
629 | if(!ist->dec) | |
630 | ist->dec = avcodec_find_decoder(dec->codec_id); | |
631 | if (av_codec_get_lowres(dec)) { | |
632 | dec->flags |= CODEC_FLAG_EMU_EDGE; | |
633 | } | |
634 | ||
635 | ist->resample_height = ist->dec_ctx->height; | |
636 | ist->resample_width = ist->dec_ctx->width; | |
637 | ist->resample_pix_fmt = ist->dec_ctx->pix_fmt; | |
638 | ||
639 | MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st); | |
640 | if (framerate && av_parse_video_rate(&ist->framerate, | |
641 | framerate) < 0) { | |
642 | av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n", | |
643 | framerate); | |
644 | exit_program(1); | |
645 | } | |
646 | ||
647 | ist->top_field_first = -1; | |
648 | MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st); | |
649 | ||
650 | MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st); | |
651 | if (hwaccel) { | |
652 | if (!strcmp(hwaccel, "none")) | |
653 | ist->hwaccel_id = HWACCEL_NONE; | |
654 | else if (!strcmp(hwaccel, "auto")) | |
655 | ist->hwaccel_id = HWACCEL_AUTO; | |
656 | else { | |
657 | int i; | |
658 | for (i = 0; hwaccels[i].name; i++) { | |
659 | if (!strcmp(hwaccels[i].name, hwaccel)) { | |
660 | ist->hwaccel_id = hwaccels[i].id; | |
661 | break; | |
662 | } | |
663 | } | |
664 | ||
665 | if (!ist->hwaccel_id) { | |
666 | av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n", | |
667 | hwaccel); | |
668 | av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: "); | |
669 | for (i = 0; hwaccels[i].name; i++) | |
670 | av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name); | |
671 | av_log(NULL, AV_LOG_FATAL, "\n"); | |
672 | exit_program(1); | |
673 | } | |
674 | } | |
675 | } | |
676 | ||
677 | MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st); | |
678 | if (hwaccel_device) { | |
679 | ist->hwaccel_device = av_strdup(hwaccel_device); | |
680 | if (!ist->hwaccel_device) | |
681 | exit_program(1); | |
682 | } | |
683 | ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE; | |
684 | ||
685 | break; | |
686 | case AVMEDIA_TYPE_AUDIO: | |
687 | ist->guess_layout_max = INT_MAX; | |
688 | MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st); | |
689 | guess_input_channel_layout(ist); | |
690 | ||
691 | ist->resample_sample_fmt = ist->dec_ctx->sample_fmt; | |
692 | ist->resample_sample_rate = ist->dec_ctx->sample_rate; | |
693 | ist->resample_channels = ist->dec_ctx->channels; | |
694 | ist->resample_channel_layout = ist->dec_ctx->channel_layout; | |
695 | ||
696 | break; | |
697 | case AVMEDIA_TYPE_DATA: | |
698 | case AVMEDIA_TYPE_SUBTITLE: { | |
699 | char *canvas_size = NULL; | |
700 | if(!ist->dec) | |
701 | ist->dec = avcodec_find_decoder(dec->codec_id); | |
702 | MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st); | |
703 | MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st); | |
704 | if (canvas_size && | |
705 | av_parse_video_size(&dec->width, &dec->height, canvas_size) < 0) { | |
706 | av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size); | |
707 | exit_program(1); | |
708 | } | |
709 | break; | |
710 | } | |
711 | case AVMEDIA_TYPE_ATTACHMENT: | |
712 | case AVMEDIA_TYPE_UNKNOWN: | |
713 | break; | |
714 | default: | |
715 | abort(); | |
716 | } | |
717 | } | |
718 | } | |
719 | ||
720 | static void assert_file_overwrite(const char *filename) | |
721 | { | |
722 | if (file_overwrite && no_file_overwrite) { | |
723 | fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n"); | |
724 | exit_program(1); | |
725 | } | |
726 | ||
727 | if (!file_overwrite) { | |
728 | const char *proto_name = avio_find_protocol_name(filename); | |
729 | if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) { | |
730 | if (stdin_interaction && !no_file_overwrite) { | |
731 | fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename); | |
732 | fflush(stderr); | |
733 | term_exit(); | |
734 | signal(SIGINT, SIG_DFL); | |
735 | if (!read_yesno()) { | |
736 | av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n"); | |
737 | exit_program(1); | |
738 | } | |
739 | term_init(); | |
740 | } | |
741 | else { | |
742 | av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename); | |
743 | exit_program(1); | |
744 | } | |
745 | } | |
746 | } | |
747 | } | |
748 | ||
749 | static void dump_attachment(AVStream *st, const char *filename) | |
750 | { | |
751 | int ret; | |
752 | AVIOContext *out = NULL; | |
753 | AVDictionaryEntry *e; | |
754 | ||
755 | if (!st->codec->extradata_size) { | |
756 | av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n", | |
757 | nb_input_files - 1, st->index); | |
758 | return; | |
759 | } | |
760 | if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0))) | |
761 | filename = e->value; | |
762 | if (!*filename) { | |
763 | av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag" | |
764 | "in stream #%d:%d.\n", nb_input_files - 1, st->index); | |
765 | exit_program(1); | |
766 | } | |
767 | ||
768 | assert_file_overwrite(filename); | |
769 | ||
770 | if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) { | |
771 | av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n", | |
772 | filename); | |
773 | exit_program(1); | |
774 | } | |
775 | ||
776 | avio_write(out, st->codec->extradata, st->codec->extradata_size); | |
777 | avio_flush(out); | |
778 | avio_close(out); | |
779 | } | |
780 | ||
781 | static int open_input_file(OptionsContext *o, const char *filename) | |
782 | { | |
783 | InputFile *f; | |
784 | AVFormatContext *ic; | |
785 | AVInputFormat *file_iformat = NULL; | |
786 | int err, i, ret; | |
787 | int64_t timestamp; | |
788 | AVDictionary **opts; | |
789 | AVDictionary *unused_opts = NULL; | |
790 | AVDictionaryEntry *e = NULL; | |
791 | int orig_nb_streams; // number of streams before avformat_find_stream_info | |
792 | char * video_codec_name = NULL; | |
793 | char * audio_codec_name = NULL; | |
794 | char *subtitle_codec_name = NULL; | |
795 | ||
796 | if (o->format) { | |
797 | if (!(file_iformat = av_find_input_format(o->format))) { | |
798 | av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format); | |
799 | exit_program(1); | |
800 | } | |
801 | } | |
802 | ||
803 | if (!strcmp(filename, "-")) | |
804 | filename = "pipe:"; | |
805 | ||
806 | stdin_interaction &= strncmp(filename, "pipe:", 5) && | |
807 | strcmp(filename, "/dev/stdin"); | |
808 | ||
809 | /* get default parameters from command line */ | |
810 | ic = avformat_alloc_context(); | |
811 | if (!ic) { | |
812 | print_error(filename, AVERROR(ENOMEM)); | |
813 | exit_program(1); | |
814 | } | |
815 | if (o->nb_audio_sample_rate) { | |
816 | av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0); | |
817 | } | |
818 | if (o->nb_audio_channels) { | |
819 | /* because we set audio_channels based on both the "ac" and | |
820 | * "channel_layout" options, we need to check that the specified | |
821 | * demuxer actually has the "channels" option before setting it */ | |
822 | if (file_iformat && file_iformat->priv_class && | |
823 | av_opt_find(&file_iformat->priv_class, "channels", NULL, 0, | |
824 | AV_OPT_SEARCH_FAKE_OBJ)) { | |
825 | av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0); | |
826 | } | |
827 | } | |
828 | if (o->nb_frame_rates) { | |
829 | /* set the format-level framerate option; | |
830 | * this is important for video grabbers, e.g. x11 */ | |
831 | if (file_iformat && file_iformat->priv_class && | |
832 | av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0, | |
833 | AV_OPT_SEARCH_FAKE_OBJ)) { | |
834 | av_dict_set(&o->g->format_opts, "framerate", | |
835 | o->frame_rates[o->nb_frame_rates - 1].u.str, 0); | |
836 | } | |
837 | } | |
838 | if (o->nb_frame_sizes) { | |
839 | av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0); | |
840 | } | |
841 | if (o->nb_frame_pix_fmts) | |
842 | av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0); | |
843 | ||
844 | MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v"); | |
845 | MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a"); | |
846 | MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s"); | |
847 | ||
848 | ic->video_codec_id = video_codec_name ? | |
849 | find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE; | |
850 | ic->audio_codec_id = audio_codec_name ? | |
851 | find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE; | |
852 | ic->subtitle_codec_id= subtitle_codec_name ? | |
853 | find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE; | |
854 | ||
855 | if (video_codec_name) | |
856 | av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)); | |
857 | if (audio_codec_name) | |
858 | av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)); | |
859 | if (subtitle_codec_name) | |
860 | av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)); | |
861 | ||
862 | ic->flags |= AVFMT_FLAG_NONBLOCK; | |
863 | ic->interrupt_callback = int_cb; | |
864 | ||
865 | /* open the input file with generic avformat function */ | |
866 | err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts); | |
867 | if (err < 0) { | |
868 | print_error(filename, err); | |
869 | exit_program(1); | |
870 | } | |
871 | remove_avoptions(&o->g->format_opts, o->g->codec_opts); | |
872 | assert_avoptions(o->g->format_opts); | |
873 | ||
874 | /* apply forced codec ids */ | |
875 | for (i = 0; i < ic->nb_streams; i++) | |
876 | choose_decoder(o, ic, ic->streams[i]); | |
877 | ||
878 | /* Set AVCodecContext options for avformat_find_stream_info */ | |
879 | opts = setup_find_stream_info_opts(ic, o->g->codec_opts); | |
880 | orig_nb_streams = ic->nb_streams; | |
881 | ||
882 | /* If not enough info to get the stream parameters, we decode the | |
883 | first frames to get it. (used in mpeg case for example) */ | |
884 | ret = avformat_find_stream_info(ic, opts); | |
885 | if (ret < 0) { | |
886 | av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename); | |
887 | if (ic->nb_streams == 0) { | |
888 | avformat_close_input(&ic); | |
889 | exit_program(1); | |
890 | } | |
891 | } | |
892 | ||
893 | timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time; | |
894 | /* add the stream start time */ | |
895 | if (ic->start_time != AV_NOPTS_VALUE) | |
896 | timestamp += ic->start_time; | |
897 | ||
898 | /* if seeking requested, we execute it */ | |
899 | if (o->start_time != AV_NOPTS_VALUE) { | |
900 | ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, timestamp, 0); | |
901 | if (ret < 0) { | |
902 | av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n", | |
903 | filename, (double)timestamp / AV_TIME_BASE); | |
904 | } | |
905 | } | |
906 | ||
907 | /* update the current parameters so that they match the one of the input stream */ | |
908 | add_input_streams(o, ic); | |
909 | ||
910 | /* dump the file content */ | |
911 | av_dump_format(ic, nb_input_files, filename, 0); | |
912 | ||
913 | GROW_ARRAY(input_files, nb_input_files); | |
914 | f = av_mallocz(sizeof(*f)); | |
915 | if (!f) | |
916 | exit_program(1); | |
917 | input_files[nb_input_files - 1] = f; | |
918 | ||
919 | f->ctx = ic; | |
920 | f->ist_index = nb_input_streams - ic->nb_streams; | |
921 | f->start_time = o->start_time; | |
922 | f->recording_time = o->recording_time; | |
923 | f->input_ts_offset = o->input_ts_offset; | |
924 | f->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp); | |
925 | f->nb_streams = ic->nb_streams; | |
926 | f->rate_emu = o->rate_emu; | |
927 | f->accurate_seek = o->accurate_seek; | |
928 | ||
929 | /* check if all codec options have been used */ | |
930 | unused_opts = strip_specifiers(o->g->codec_opts); | |
931 | for (i = f->ist_index; i < nb_input_streams; i++) { | |
932 | e = NULL; | |
933 | while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e, | |
934 | AV_DICT_IGNORE_SUFFIX))) | |
935 | av_dict_set(&unused_opts, e->key, NULL, 0); | |
936 | } | |
937 | ||
938 | e = NULL; | |
939 | while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) { | |
940 | const AVClass *class = avcodec_get_class(); | |
941 | const AVOption *option = av_opt_find(&class, e->key, NULL, 0, | |
942 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); | |
943 | const AVClass *fclass = avformat_get_class(); | |
944 | const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0, | |
945 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); | |
946 | if (!option || foption) | |
947 | continue; | |
948 | ||
949 | ||
950 | if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) { | |
951 | av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for " | |
952 | "input file #%d (%s) is not a decoding option.\n", e->key, | |
953 | option->help ? option->help : "", nb_input_files - 1, | |
954 | filename); | |
955 | exit_program(1); | |
956 | } | |
957 | ||
958 | av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for " | |
959 | "input file #%d (%s) has not been used for any stream. The most " | |
960 | "likely reason is either wrong type (e.g. a video option with " | |
961 | "no video streams) or that it is a private option of some decoder " | |
962 | "which was not actually used for any stream.\n", e->key, | |
963 | option->help ? option->help : "", nb_input_files - 1, filename); | |
964 | } | |
965 | av_dict_free(&unused_opts); | |
966 | ||
967 | for (i = 0; i < o->nb_dump_attachment; i++) { | |
968 | int j; | |
969 | ||
970 | for (j = 0; j < ic->nb_streams; j++) { | |
971 | AVStream *st = ic->streams[j]; | |
972 | ||
973 | if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1) | |
974 | dump_attachment(st, o->dump_attachment[i].u.str); | |
975 | } | |
976 | } | |
977 | ||
978 | for (i = 0; i < orig_nb_streams; i++) | |
979 | av_dict_free(&opts[i]); | |
980 | av_freep(&opts); | |
981 | ||
982 | return 0; | |
983 | } | |
984 | ||
985 | static uint8_t *get_line(AVIOContext *s) | |
986 | { | |
987 | AVIOContext *line; | |
988 | uint8_t *buf; | |
989 | char c; | |
990 | ||
991 | if (avio_open_dyn_buf(&line) < 0) { | |
992 | av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n"); | |
993 | exit_program(1); | |
994 | } | |
995 | ||
996 | while ((c = avio_r8(s)) && c != '\n') | |
997 | avio_w8(line, c); | |
998 | avio_w8(line, 0); | |
999 | avio_close_dyn_buf(line, &buf); | |
1000 | ||
1001 | return buf; | |
1002 | } | |
1003 | ||
1004 | static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s) | |
1005 | { | |
1006 | int i, ret = -1; | |
1007 | char filename[1000]; | |
1008 | const char *base[3] = { getenv("AVCONV_DATADIR"), | |
1009 | getenv("HOME"), | |
1010 | AVCONV_DATADIR, | |
1011 | }; | |
1012 | ||
1013 | for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) { | |
1014 | if (!base[i]) | |
1015 | continue; | |
1016 | if (codec_name) { | |
1017 | snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i], | |
1018 | i != 1 ? "" : "/.avconv", codec_name, preset_name); | |
1019 | ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); | |
1020 | } | |
1021 | if (ret < 0) { | |
1022 | snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i], | |
1023 | i != 1 ? "" : "/.avconv", preset_name); | |
1024 | ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); | |
1025 | } | |
1026 | } | |
1027 | return ret; | |
1028 | } | |
1029 | ||
1030 | static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost) | |
1031 | { | |
1032 | char *codec_name = NULL; | |
1033 | ||
1034 | MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st); | |
1035 | if (!codec_name) { | |
1036 | ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, | |
1037 | NULL, ost->st->codec->codec_type); | |
1038 | ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); | |
1039 | } else if (!strcmp(codec_name, "copy")) | |
1040 | ost->stream_copy = 1; | |
1041 | else { | |
1042 | ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1); | |
1043 | ost->st->codec->codec_id = ost->enc->id; | |
1044 | } | |
1045 | } | |
1046 | ||
1047 | static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index) | |
1048 | { | |
1049 | OutputStream *ost; | |
1050 | AVStream *st = avformat_new_stream(oc, NULL); | |
1051 | int idx = oc->nb_streams - 1, ret = 0; | |
1052 | char *bsf = NULL, *next, *codec_tag = NULL; | |
1053 | AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL; | |
1054 | double qscale = -1; | |
1055 | int i; | |
1056 | ||
1057 | if (!st) { | |
1058 | av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n"); | |
1059 | exit_program(1); | |
1060 | } | |
1061 | ||
1062 | if (oc->nb_streams - 1 < o->nb_streamid_map) | |
1063 | st->id = o->streamid_map[oc->nb_streams - 1]; | |
1064 | ||
1065 | GROW_ARRAY(output_streams, nb_output_streams); | |
1066 | if (!(ost = av_mallocz(sizeof(*ost)))) | |
1067 | exit_program(1); | |
1068 | output_streams[nb_output_streams - 1] = ost; | |
1069 | ||
1070 | ost->file_index = nb_output_files - 1; | |
1071 | ost->index = idx; | |
1072 | ost->st = st; | |
1073 | st->codec->codec_type = type; | |
1074 | choose_encoder(o, oc, ost); | |
1075 | ||
1076 | ost->enc_ctx = avcodec_alloc_context3(ost->enc); | |
1077 | if (!ost->enc_ctx) { | |
1078 | av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n"); | |
1079 | exit_program(1); | |
1080 | } | |
1081 | ost->enc_ctx->codec_type = type; | |
1082 | ||
1083 | if (ost->enc) { | |
1084 | AVIOContext *s = NULL; | |
1085 | char *buf = NULL, *arg = NULL, *preset = NULL; | |
1086 | ||
1087 | ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc); | |
1088 | ||
1089 | MATCH_PER_STREAM_OPT(presets, str, preset, oc, st); | |
1090 | if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) { | |
1091 | do { | |
1092 | buf = get_line(s); | |
1093 | if (!buf[0] || buf[0] == '#') { | |
1094 | av_free(buf); | |
1095 | continue; | |
1096 | } | |
1097 | if (!(arg = strchr(buf, '='))) { | |
1098 | av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n"); | |
1099 | exit_program(1); | |
1100 | } | |
1101 | *arg++ = 0; | |
1102 | av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE); | |
1103 | av_free(buf); | |
1104 | } while (!s->eof_reached); | |
1105 | avio_close(s); | |
1106 | } | |
1107 | if (ret) { | |
1108 | av_log(NULL, AV_LOG_FATAL, | |
1109 | "Preset %s specified for stream %d:%d, but could not be opened.\n", | |
1110 | preset, ost->file_index, ost->index); | |
1111 | exit_program(1); | |
1112 | } | |
1113 | } else { | |
1114 | ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL); | |
1115 | } | |
1116 | ||
1117 | ost->max_frames = INT64_MAX; | |
1118 | MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st); | |
1119 | for (i = 0; i<o->nb_max_frames; i++) { | |
1120 | char *p = o->max_frames[i].specifier; | |
1121 | if (!*p && type != AVMEDIA_TYPE_VIDEO) { | |
1122 | av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n"); | |
1123 | break; | |
1124 | } | |
1125 | } | |
1126 | ||
1127 | ost->copy_prior_start = -1; | |
1128 | MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st); | |
1129 | ||
1130 | MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st); | |
1131 | while (bsf) { | |
1132 | if (next = strchr(bsf, ',')) | |
1133 | *next++ = 0; | |
1134 | if (!(bsfc = av_bitstream_filter_init(bsf))) { | |
1135 | av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf); | |
1136 | exit_program(1); | |
1137 | } | |
1138 | if (bsfc_prev) | |
1139 | bsfc_prev->next = bsfc; | |
1140 | else | |
1141 | ost->bitstream_filters = bsfc; | |
1142 | ||
1143 | bsfc_prev = bsfc; | |
1144 | bsf = next; | |
1145 | } | |
1146 | ||
1147 | MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st); | |
1148 | if (codec_tag) { | |
1149 | uint32_t tag = strtol(codec_tag, &next, 0); | |
1150 | if (*next) | |
1151 | tag = AV_RL32(codec_tag); | |
1152 | ost->enc_ctx->codec_tag = tag; | |
1153 | } | |
1154 | ||
1155 | MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st); | |
1156 | if (qscale >= 0) { | |
1157 | ost->enc_ctx->flags |= CODEC_FLAG_QSCALE; | |
1158 | ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale; | |
1159 | } | |
1160 | ||
1161 | if (oc->oformat->flags & AVFMT_GLOBALHEADER) | |
1162 | ost->enc_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER; | |
1163 | ||
1164 | av_opt_get_int(o->g->sws_opts, "sws_flags", 0, &ost->sws_flags); | |
1165 | ||
1166 | av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0); | |
1167 | if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24) | |
1168 | av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0); | |
1169 | ||
1170 | av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0); | |
1171 | ||
1172 | ost->source_index = source_index; | |
1173 | if (source_index >= 0) { | |
1174 | ost->sync_ist = input_streams[source_index]; | |
1175 | input_streams[source_index]->discard = 0; | |
1176 | input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard; | |
1177 | } | |
1178 | ost->last_mux_dts = AV_NOPTS_VALUE; | |
1179 | ||
1180 | return ost; | |
1181 | } | |
1182 | ||
1183 | static void parse_matrix_coeffs(uint16_t *dest, const char *str) | |
1184 | { | |
1185 | int i; | |
1186 | const char *p = str; | |
1187 | for (i = 0;; i++) { | |
1188 | dest[i] = atoi(p); | |
1189 | if (i == 63) | |
1190 | break; | |
1191 | p = strchr(p, ','); | |
1192 | if (!p) { | |
1193 | av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i); | |
1194 | exit_program(1); | |
1195 | } | |
1196 | p++; | |
1197 | } | |
1198 | } | |
1199 | ||
1200 | /* read file contents into a string */ | |
1201 | static uint8_t *read_file(const char *filename) | |
1202 | { | |
1203 | AVIOContext *pb = NULL; | |
1204 | AVIOContext *dyn_buf = NULL; | |
1205 | int ret = avio_open(&pb, filename, AVIO_FLAG_READ); | |
1206 | uint8_t buf[1024], *str; | |
1207 | ||
1208 | if (ret < 0) { | |
1209 | av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename); | |
1210 | return NULL; | |
1211 | } | |
1212 | ||
1213 | ret = avio_open_dyn_buf(&dyn_buf); | |
1214 | if (ret < 0) { | |
1215 | avio_closep(&pb); | |
1216 | return NULL; | |
1217 | } | |
1218 | while ((ret = avio_read(pb, buf, sizeof(buf))) > 0) | |
1219 | avio_write(dyn_buf, buf, ret); | |
1220 | avio_w8(dyn_buf, 0); | |
1221 | avio_closep(&pb); | |
1222 | ||
1223 | ret = avio_close_dyn_buf(dyn_buf, &str); | |
1224 | if (ret < 0) | |
1225 | return NULL; | |
1226 | return str; | |
1227 | } | |
1228 | ||
1229 | static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc, | |
1230 | OutputStream *ost) | |
1231 | { | |
1232 | AVStream *st = ost->st; | |
1233 | ||
1234 | if (ost->filters_script && ost->filters) { | |
1235 | av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for " | |
1236 | "output stream #%d:%d.\n", nb_output_files, st->index); | |
1237 | exit_program(1); | |
1238 | } | |
1239 | ||
1240 | if (ost->filters_script) | |
1241 | return read_file(ost->filters_script); | |
1242 | else if (ost->filters) | |
1243 | return av_strdup(ost->filters); | |
1244 | ||
1245 | return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ? | |
1246 | "null" : "anull"); | |
1247 | } | |
1248 | ||
1249 | static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc, | |
1250 | const OutputStream *ost, enum AVMediaType type) | |
1251 | { | |
1252 | if (ost->filters_script || ost->filters) { | |
1253 | av_log(NULL, AV_LOG_ERROR, | |
1254 | "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n" | |
1255 | "Filtering and streamcopy cannot be used together.\n", | |
1256 | ost->filters ? "Filtergraph" : "Filtergraph script", | |
1257 | ost->filters ? ost->filters : ost->filters_script, | |
1258 | av_get_media_type_string(type), ost->file_index, ost->index); | |
1259 | exit_program(1); | |
1260 | } | |
1261 | } | |
1262 | ||
1263 | static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index) | |
1264 | { | |
1265 | AVStream *st; | |
1266 | OutputStream *ost; | |
1267 | AVCodecContext *video_enc; | |
1268 | char *frame_rate = NULL, *frame_aspect_ratio = NULL; | |
1269 | ||
1270 | ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index); | |
1271 | st = ost->st; | |
1272 | video_enc = ost->enc_ctx; | |
1273 | ||
1274 | MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st); | |
1275 | if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) { | |
1276 | av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate); | |
1277 | exit_program(1); | |
1278 | } | |
1279 | ||
1280 | MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st); | |
1281 | if (frame_aspect_ratio) { | |
1282 | AVRational q; | |
1283 | if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 || | |
1284 | q.num <= 0 || q.den <= 0) { | |
1285 | av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio); | |
1286 | exit_program(1); | |
1287 | } | |
1288 | ost->frame_aspect_ratio = q; | |
1289 | } | |
1290 | ||
1291 | MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st); | |
1292 | MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st); | |
1293 | ||
1294 | if (!ost->stream_copy) { | |
1295 | const char *p = NULL; | |
1296 | char *frame_size = NULL; | |
1297 | char *frame_pix_fmt = NULL; | |
1298 | char *intra_matrix = NULL, *inter_matrix = NULL; | |
1299 | char *chroma_intra_matrix = NULL; | |
1300 | int do_pass = 0; | |
1301 | int i; | |
1302 | ||
1303 | MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st); | |
1304 | if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) { | |
1305 | av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size); | |
1306 | exit_program(1); | |
1307 | } | |
1308 | ||
1309 | video_enc->bits_per_raw_sample = frame_bits_per_raw_sample; | |
1310 | MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st); | |
1311 | if (frame_pix_fmt && *frame_pix_fmt == '+') { | |
1312 | ost->keep_pix_fmt = 1; | |
1313 | if (!*++frame_pix_fmt) | |
1314 | frame_pix_fmt = NULL; | |
1315 | } | |
1316 | if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) { | |
1317 | av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt); | |
1318 | exit_program(1); | |
1319 | } | |
1320 | st->sample_aspect_ratio = video_enc->sample_aspect_ratio; | |
1321 | ||
1322 | if (intra_only) | |
1323 | video_enc->gop_size = 0; | |
1324 | MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st); | |
1325 | if (intra_matrix) { | |
1326 | if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) { | |
1327 | av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n"); | |
1328 | exit_program(1); | |
1329 | } | |
1330 | parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix); | |
1331 | } | |
1332 | MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st); | |
1333 | if (chroma_intra_matrix) { | |
1334 | uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64); | |
1335 | if (!p) { | |
1336 | av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n"); | |
1337 | exit_program(1); | |
1338 | } | |
1339 | av_codec_set_chroma_intra_matrix(video_enc, p); | |
1340 | parse_matrix_coeffs(p, chroma_intra_matrix); | |
1341 | } | |
1342 | MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st); | |
1343 | if (inter_matrix) { | |
1344 | if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) { | |
1345 | av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n"); | |
1346 | exit_program(1); | |
1347 | } | |
1348 | parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix); | |
1349 | } | |
1350 | ||
1351 | MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st); | |
1352 | for (i = 0; p; i++) { | |
1353 | int start, end, q; | |
1354 | int e = sscanf(p, "%d,%d,%d", &start, &end, &q); | |
1355 | if (e != 3) { | |
1356 | av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n"); | |
1357 | exit_program(1); | |
1358 | } | |
1359 | /* FIXME realloc failure */ | |
1360 | video_enc->rc_override = | |
1361 | av_realloc(video_enc->rc_override, | |
1362 | sizeof(RcOverride) * (i + 1)); | |
1363 | video_enc->rc_override[i].start_frame = start; | |
1364 | video_enc->rc_override[i].end_frame = end; | |
1365 | if (q > 0) { | |
1366 | video_enc->rc_override[i].qscale = q; | |
1367 | video_enc->rc_override[i].quality_factor = 1.0; | |
1368 | } | |
1369 | else { | |
1370 | video_enc->rc_override[i].qscale = 0; | |
1371 | video_enc->rc_override[i].quality_factor = -q/100.0; | |
1372 | } | |
1373 | p = strchr(p, '/'); | |
1374 | if (p) p++; | |
1375 | } | |
1376 | video_enc->rc_override_count = i; | |
1377 | ||
1378 | if (do_psnr) | |
1379 | video_enc->flags|= CODEC_FLAG_PSNR; | |
1380 | ||
1381 | /* two pass mode */ | |
1382 | MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st); | |
1383 | if (do_pass) { | |
1384 | if (do_pass & 1) { | |
1385 | video_enc->flags |= CODEC_FLAG_PASS1; | |
1386 | av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND); | |
1387 | } | |
1388 | if (do_pass & 2) { | |
1389 | video_enc->flags |= CODEC_FLAG_PASS2; | |
1390 | av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND); | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st); | |
1395 | if (ost->logfile_prefix && | |
1396 | !(ost->logfile_prefix = av_strdup(ost->logfile_prefix))) | |
1397 | exit_program(1); | |
1398 | ||
1399 | MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st); | |
1400 | if (ost->forced_keyframes) | |
1401 | ost->forced_keyframes = av_strdup(ost->forced_keyframes); | |
1402 | ||
1403 | MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st); | |
1404 | ||
1405 | ost->top_field_first = -1; | |
1406 | MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st); | |
1407 | ||
1408 | ||
1409 | ost->avfilter = get_ost_filters(o, oc, ost); | |
1410 | if (!ost->avfilter) | |
1411 | exit_program(1); | |
1412 | } else { | |
1413 | MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st); | |
1414 | } | |
1415 | ||
1416 | if (ost->stream_copy) | |
1417 | check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO); | |
1418 | ||
1419 | return ost; | |
1420 | } | |
1421 | ||
1422 | static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index) | |
1423 | { | |
1424 | int n; | |
1425 | AVStream *st; | |
1426 | OutputStream *ost; | |
1427 | AVCodecContext *audio_enc; | |
1428 | ||
1429 | ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index); | |
1430 | st = ost->st; | |
1431 | ||
1432 | audio_enc = ost->enc_ctx; | |
1433 | audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; | |
1434 | ||
1435 | MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st); | |
1436 | MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st); | |
1437 | ||
1438 | if (!ost->stream_copy) { | |
1439 | char *sample_fmt = NULL; | |
1440 | ||
1441 | MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); | |
1442 | ||
1443 | MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st); | |
1444 | if (sample_fmt && | |
1445 | (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) { | |
1446 | av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt); | |
1447 | exit_program(1); | |
1448 | } | |
1449 | ||
1450 | MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st); | |
1451 | ||
1452 | MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st); | |
1453 | ost->apad = av_strdup(ost->apad); | |
1454 | ||
1455 | ost->avfilter = get_ost_filters(o, oc, ost); | |
1456 | if (!ost->avfilter) | |
1457 | exit_program(1); | |
1458 | ||
1459 | /* check for channel mapping for this audio stream */ | |
1460 | for (n = 0; n < o->nb_audio_channel_maps; n++) { | |
1461 | AudioChannelMap *map = &o->audio_channel_maps[n]; | |
1462 | if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) && | |
1463 | (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) { | |
1464 | InputStream *ist; | |
1465 | ||
1466 | if (map->channel_idx == -1) { | |
1467 | ist = NULL; | |
1468 | } else if (ost->source_index < 0) { | |
1469 | av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n", | |
1470 | ost->file_index, ost->st->index); | |
1471 | continue; | |
1472 | } else { | |
1473 | ist = input_streams[ost->source_index]; | |
1474 | } | |
1475 | ||
1476 | if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) { | |
1477 | if (av_reallocp_array(&ost->audio_channels_map, | |
1478 | ost->audio_channels_mapped + 1, | |
1479 | sizeof(*ost->audio_channels_map) | |
1480 | ) < 0 ) | |
1481 | exit_program(1); | |
1482 | ||
1483 | ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx; | |
1484 | } | |
1485 | } | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | if (ost->stream_copy) | |
1490 | check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO); | |
1491 | ||
1492 | return ost; | |
1493 | } | |
1494 | ||
1495 | static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index) | |
1496 | { | |
1497 | OutputStream *ost; | |
1498 | ||
1499 | ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index); | |
1500 | if (!ost->stream_copy) { | |
1501 | av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n"); | |
1502 | exit_program(1); | |
1503 | } | |
1504 | ||
1505 | return ost; | |
1506 | } | |
1507 | ||
1508 | static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index) | |
1509 | { | |
1510 | OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index); | |
1511 | ost->stream_copy = 1; | |
1512 | ost->finished = 1; | |
1513 | return ost; | |
1514 | } | |
1515 | ||
1516 | static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index) | |
1517 | { | |
1518 | AVStream *st; | |
1519 | OutputStream *ost; | |
1520 | AVCodecContext *subtitle_enc; | |
1521 | ||
1522 | ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index); | |
1523 | st = ost->st; | |
1524 | subtitle_enc = ost->enc_ctx; | |
1525 | ||
1526 | subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; | |
1527 | ||
1528 | MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st); | |
1529 | ||
1530 | if (!ost->stream_copy) { | |
1531 | char *frame_size = NULL; | |
1532 | ||
1533 | MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st); | |
1534 | if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) { | |
1535 | av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size); | |
1536 | exit_program(1); | |
1537 | } | |
1538 | } | |
1539 | ||
1540 | return ost; | |
1541 | } | |
1542 | ||
1543 | /* arg format is "output-stream-index:streamid-value". */ | |
1544 | static int opt_streamid(void *optctx, const char *opt, const char *arg) | |
1545 | { | |
1546 | OptionsContext *o = optctx; | |
1547 | int idx; | |
1548 | char *p; | |
1549 | char idx_str[16]; | |
1550 | ||
1551 | av_strlcpy(idx_str, arg, sizeof(idx_str)); | |
1552 | p = strchr(idx_str, ':'); | |
1553 | if (!p) { | |
1554 | av_log(NULL, AV_LOG_FATAL, | |
1555 | "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", | |
1556 | arg, opt); | |
1557 | exit_program(1); | |
1558 | } | |
1559 | *p++ = '\0'; | |
1560 | idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1); | |
1561 | o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1); | |
1562 | o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); | |
1563 | return 0; | |
1564 | } | |
1565 | ||
1566 | static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata) | |
1567 | { | |
1568 | AVFormatContext *is = ifile->ctx; | |
1569 | AVFormatContext *os = ofile->ctx; | |
1570 | AVChapter **tmp; | |
1571 | int i; | |
1572 | ||
1573 | tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters)); | |
1574 | if (!tmp) | |
1575 | return AVERROR(ENOMEM); | |
1576 | os->chapters = tmp; | |
1577 | ||
1578 | for (i = 0; i < is->nb_chapters; i++) { | |
1579 | AVChapter *in_ch = is->chapters[i], *out_ch; | |
1580 | int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time; | |
1581 | int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset, | |
1582 | AV_TIME_BASE_Q, in_ch->time_base); | |
1583 | int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX : | |
1584 | av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base); | |
1585 | ||
1586 | ||
1587 | if (in_ch->end < ts_off) | |
1588 | continue; | |
1589 | if (rt != INT64_MAX && in_ch->start > rt + ts_off) | |
1590 | break; | |
1591 | ||
1592 | out_ch = av_mallocz(sizeof(AVChapter)); | |
1593 | if (!out_ch) | |
1594 | return AVERROR(ENOMEM); | |
1595 | ||
1596 | out_ch->id = in_ch->id; | |
1597 | out_ch->time_base = in_ch->time_base; | |
1598 | out_ch->start = FFMAX(0, in_ch->start - ts_off); | |
1599 | out_ch->end = FFMIN(rt, in_ch->end - ts_off); | |
1600 | ||
1601 | if (copy_metadata) | |
1602 | av_dict_copy(&out_ch->metadata, in_ch->metadata, 0); | |
1603 | ||
1604 | os->chapters[os->nb_chapters++] = out_ch; | |
1605 | } | |
1606 | return 0; | |
1607 | } | |
1608 | ||
1609 | static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename) | |
1610 | { | |
1611 | int i, err; | |
1612 | AVFormatContext *ic = avformat_alloc_context(); | |
1613 | ||
1614 | ic->interrupt_callback = int_cb; | |
1615 | err = avformat_open_input(&ic, filename, NULL, NULL); | |
1616 | if (err < 0) | |
1617 | return err; | |
1618 | /* copy stream format */ | |
1619 | for(i=0;i<ic->nb_streams;i++) { | |
1620 | AVStream *st; | |
1621 | OutputStream *ost; | |
1622 | AVCodec *codec; | |
1623 | AVCodecContext *avctx; | |
1624 | ||
1625 | codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id); | |
1626 | ost = new_output_stream(o, s, codec->type, -1); | |
1627 | st = ost->st; | |
1628 | avctx = st->codec; | |
1629 | ost->enc = codec; | |
1630 | ||
1631 | // FIXME: a more elegant solution is needed | |
1632 | memcpy(st, ic->streams[i], sizeof(AVStream)); | |
1633 | st->cur_dts = 0; | |
1634 | st->info = av_malloc(sizeof(*st->info)); | |
1635 | memcpy(st->info, ic->streams[i]->info, sizeof(*st->info)); | |
1636 | st->codec= avctx; | |
1637 | avcodec_copy_context(st->codec, ic->streams[i]->codec); | |
1638 | ||
1639 | if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy) | |
1640 | choose_sample_fmt(st, codec); | |
1641 | else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy) | |
1642 | choose_pixel_fmt(st, st->codec, codec, st->codec->pix_fmt); | |
1643 | avcodec_copy_context(ost->enc_ctx, st->codec); | |
1644 | } | |
1645 | ||
1646 | avformat_close_input(&ic); | |
1647 | return err; | |
1648 | } | |
1649 | ||
1650 | static void init_output_filter(OutputFilter *ofilter, OptionsContext *o, | |
1651 | AVFormatContext *oc) | |
1652 | { | |
1653 | OutputStream *ost; | |
1654 | ||
1655 | switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, | |
1656 | ofilter->out_tmp->pad_idx)) { | |
1657 | case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break; | |
1658 | case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break; | |
1659 | default: | |
1660 | av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported " | |
1661 | "currently.\n"); | |
1662 | exit_program(1); | |
1663 | } | |
1664 | ||
1665 | ost->source_index = -1; | |
1666 | ost->filter = ofilter; | |
1667 | ||
1668 | ofilter->ost = ost; | |
1669 | ||
1670 | if (ost->stream_copy) { | |
1671 | av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, " | |
1672 | "which is fed from a complex filtergraph. Filtering and streamcopy " | |
1673 | "cannot be used together.\n", ost->file_index, ost->index); | |
1674 | exit_program(1); | |
1675 | } | |
1676 | ||
1677 | if (ost->avfilter && (ost->filters || ost->filters_script)) { | |
1678 | const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script"; | |
1679 | av_log(NULL, AV_LOG_ERROR, | |
1680 | "%s '%s' was specified through the %s option " | |
1681 | "for output stream %d:%d, which is fed from a complex filtergraph.\n" | |
1682 | "%s and -filter_complex cannot be used together for the same stream.\n", | |
1683 | ost->filters ? "Filtergraph" : "Filtergraph script", | |
1684 | ost->filters ? ost->filters : ost->filters_script, | |
1685 | opt, ost->file_index, ost->index, opt); | |
1686 | exit_program(1); | |
1687 | } | |
1688 | ||
1689 | if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) { | |
1690 | av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n"); | |
1691 | exit_program(1); | |
1692 | } | |
1693 | avfilter_inout_free(&ofilter->out_tmp); | |
1694 | } | |
1695 | ||
1696 | static int configure_complex_filters(void) | |
1697 | { | |
1698 | int i, ret = 0; | |
1699 | ||
1700 | for (i = 0; i < nb_filtergraphs; i++) | |
1701 | if (!filtergraphs[i]->graph && | |
1702 | (ret = configure_filtergraph(filtergraphs[i])) < 0) | |
1703 | return ret; | |
1704 | return 0; | |
1705 | } | |
1706 | ||
1707 | static int open_output_file(OptionsContext *o, const char *filename) | |
1708 | { | |
1709 | AVFormatContext *oc; | |
1710 | int i, j, err; | |
1711 | AVOutputFormat *file_oformat; | |
1712 | OutputFile *of; | |
1713 | OutputStream *ost; | |
1714 | InputStream *ist; | |
1715 | AVDictionary *unused_opts = NULL; | |
1716 | AVDictionaryEntry *e = NULL; | |
1717 | ||
1718 | if (configure_complex_filters() < 0) { | |
1719 | av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n"); | |
1720 | exit_program(1); | |
1721 | } | |
1722 | ||
1723 | if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) { | |
1724 | o->stop_time = INT64_MAX; | |
1725 | av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n"); | |
1726 | } | |
1727 | ||
1728 | if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) { | |
1729 | int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time; | |
1730 | if (o->stop_time <= start_time) { | |
1731 | av_log(NULL, AV_LOG_WARNING, "-to value smaller than -ss; ignoring -to.\n"); | |
1732 | o->stop_time = INT64_MAX; | |
1733 | } else { | |
1734 | o->recording_time = o->stop_time - start_time; | |
1735 | } | |
1736 | } | |
1737 | ||
1738 | GROW_ARRAY(output_files, nb_output_files); | |
1739 | of = av_mallocz(sizeof(*of)); | |
1740 | if (!of) | |
1741 | exit_program(1); | |
1742 | output_files[nb_output_files - 1] = of; | |
1743 | ||
1744 | of->ost_index = nb_output_streams; | |
1745 | of->recording_time = o->recording_time; | |
1746 | of->start_time = o->start_time; | |
1747 | of->limit_filesize = o->limit_filesize; | |
1748 | of->shortest = o->shortest; | |
1749 | av_dict_copy(&of->opts, o->g->format_opts, 0); | |
1750 | ||
1751 | if (!strcmp(filename, "-")) | |
1752 | filename = "pipe:"; | |
1753 | ||
1754 | err = avformat_alloc_output_context2(&oc, NULL, o->format, filename); | |
1755 | if (!oc) { | |
1756 | print_error(filename, err); | |
1757 | exit_program(1); | |
1758 | } | |
1759 | ||
1760 | of->ctx = oc; | |
1761 | if (o->recording_time != INT64_MAX) | |
1762 | oc->duration = o->recording_time; | |
1763 | ||
1764 | file_oformat= oc->oformat; | |
1765 | oc->interrupt_callback = int_cb; | |
1766 | ||
1767 | /* create streams for all unlabeled output pads */ | |
1768 | for (i = 0; i < nb_filtergraphs; i++) { | |
1769 | FilterGraph *fg = filtergraphs[i]; | |
1770 | for (j = 0; j < fg->nb_outputs; j++) { | |
1771 | OutputFilter *ofilter = fg->outputs[j]; | |
1772 | ||
1773 | if (!ofilter->out_tmp || ofilter->out_tmp->name) | |
1774 | continue; | |
1775 | ||
1776 | switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads, | |
1777 | ofilter->out_tmp->pad_idx)) { | |
1778 | case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break; | |
1779 | case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break; | |
1780 | case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break; | |
1781 | } | |
1782 | init_output_filter(ofilter, o, oc); | |
1783 | } | |
1784 | } | |
1785 | ||
1786 | /* ffserver seeking with date=... needs a date reference */ | |
1787 | if (!strcmp(file_oformat->name, "ffm") && | |
1788 | av_strstart(filename, "http:", NULL)) { | |
1789 | int err = parse_option(o, "metadata", "creation_time=now", options); | |
1790 | if (err < 0) { | |
1791 | print_error(filename, err); | |
1792 | exit_program(1); | |
1793 | } | |
1794 | } | |
1795 | ||
1796 | if (!strcmp(file_oformat->name, "ffm") && !override_ffserver && | |
1797 | av_strstart(filename, "http:", NULL)) { | |
1798 | int j; | |
1799 | /* special case for files sent to ffserver: we get the stream | |
1800 | parameters from ffserver */ | |
1801 | int err = read_ffserver_streams(o, oc, filename); | |
1802 | if (err < 0) { | |
1803 | print_error(filename, err); | |
1804 | exit_program(1); | |
1805 | } | |
1806 | for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) { | |
1807 | ost = output_streams[j]; | |
1808 | for (i = 0; i < nb_input_streams; i++) { | |
1809 | ist = input_streams[i]; | |
1810 | if(ist->st->codec->codec_type == ost->st->codec->codec_type){ | |
1811 | ost->sync_ist= ist; | |
1812 | ost->source_index= i; | |
1813 | if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull"); | |
1814 | if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null"); | |
1815 | ist->discard = 0; | |
1816 | ist->st->discard = ist->user_set_discard; | |
1817 | break; | |
1818 | } | |
1819 | } | |
1820 | if(!ost->sync_ist){ | |
1821 | av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type)); | |
1822 | exit_program(1); | |
1823 | } | |
1824 | } | |
1825 | } else if (!o->nb_stream_maps) { | |
1826 | char *subtitle_codec_name = NULL; | |
1827 | /* pick the "best" stream of each type */ | |
1828 | ||
1829 | /* video: highest resolution */ | |
1830 | if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) { | |
1831 | int area = 0, idx = -1; | |
1832 | int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0); | |
1833 | for (i = 0; i < nb_input_streams; i++) { | |
1834 | int new_area; | |
1835 | ist = input_streams[i]; | |
1836 | new_area = ist->st->codec->width * ist->st->codec->height; | |
1837 | if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC)) | |
1838 | new_area = 1; | |
1839 | if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && | |
1840 | new_area > area) { | |
1841 | if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC)) | |
1842 | continue; | |
1843 | area = new_area; | |
1844 | idx = i; | |
1845 | } | |
1846 | } | |
1847 | if (idx >= 0) | |
1848 | new_video_stream(o, oc, idx); | |
1849 | } | |
1850 | ||
1851 | /* audio: most channels */ | |
1852 | if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) { | |
1853 | int channels = 0, idx = -1; | |
1854 | for (i = 0; i < nb_input_streams; i++) { | |
1855 | ist = input_streams[i]; | |
1856 | if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && | |
1857 | ist->st->codec->channels > channels) { | |
1858 | channels = ist->st->codec->channels; | |
1859 | idx = i; | |
1860 | } | |
1861 | } | |
1862 | if (idx >= 0) | |
1863 | new_audio_stream(o, oc, idx); | |
1864 | } | |
1865 | ||
1866 | /* subtitles: pick first */ | |
1867 | MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s"); | |
1868 | if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) { | |
1869 | for (i = 0; i < nb_input_streams; i++) | |
1870 | if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { | |
1871 | AVCodecDescriptor const *input_descriptor = | |
1872 | avcodec_descriptor_get(input_streams[i]->st->codec->codec_id); | |
1873 | AVCodecDescriptor const *output_descriptor = NULL; | |
1874 | AVCodec const *output_codec = | |
1875 | avcodec_find_encoder(oc->oformat->subtitle_codec); | |
1876 | int input_props = 0, output_props = 0; | |
1877 | if (output_codec) | |
1878 | output_descriptor = avcodec_descriptor_get(output_codec->id); | |
1879 | if (input_descriptor) | |
1880 | input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB); | |
1881 | if (output_descriptor) | |
1882 | output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB); | |
1883 | if (subtitle_codec_name || | |
1884 | input_props & output_props || | |
1885 | // Map dvb teletext which has neither property to any output subtitle encoder | |
1886 | input_descriptor && output_descriptor && | |
1887 | (!input_descriptor->props || | |
1888 | !output_descriptor->props)) { | |
1889 | new_subtitle_stream(o, oc, i); | |
1890 | break; | |
1891 | } | |
1892 | } | |
1893 | } | |
1894 | /* do something with data? */ | |
1895 | } else { | |
1896 | for (i = 0; i < o->nb_stream_maps; i++) { | |
1897 | StreamMap *map = &o->stream_maps[i]; | |
1898 | ||
1899 | if (map->disabled) | |
1900 | continue; | |
1901 | ||
1902 | if (map->linklabel) { | |
1903 | FilterGraph *fg; | |
1904 | OutputFilter *ofilter = NULL; | |
1905 | int j, k; | |
1906 | ||
1907 | for (j = 0; j < nb_filtergraphs; j++) { | |
1908 | fg = filtergraphs[j]; | |
1909 | for (k = 0; k < fg->nb_outputs; k++) { | |
1910 | AVFilterInOut *out = fg->outputs[k]->out_tmp; | |
1911 | if (out && !strcmp(out->name, map->linklabel)) { | |
1912 | ofilter = fg->outputs[k]; | |
1913 | goto loop_end; | |
1914 | } | |
1915 | } | |
1916 | } | |
1917 | loop_end: | |
1918 | if (!ofilter) { | |
1919 | av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist " | |
1920 | "in any defined filter graph, or was already used elsewhere.\n", map->linklabel); | |
1921 | exit_program(1); | |
1922 | } | |
1923 | init_output_filter(ofilter, o, oc); | |
1924 | } else { | |
1925 | int src_idx = input_files[map->file_index]->ist_index + map->stream_index; | |
1926 | ||
1927 | ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index]; | |
1928 | if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) | |
1929 | continue; | |
1930 | if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) | |
1931 | continue; | |
1932 | if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) | |
1933 | continue; | |
1934 | if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA) | |
1935 | continue; | |
1936 | ||
1937 | switch (ist->st->codec->codec_type) { | |
1938 | case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break; | |
1939 | case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break; | |
1940 | case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break; | |
1941 | case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break; | |
1942 | case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break; | |
1943 | default: | |
1944 | av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n", | |
1945 | map->file_index, map->stream_index); | |
1946 | exit_program(1); | |
1947 | } | |
1948 | } | |
1949 | } | |
1950 | } | |
1951 | ||
1952 | /* handle attached files */ | |
1953 | for (i = 0; i < o->nb_attachments; i++) { | |
1954 | AVIOContext *pb; | |
1955 | uint8_t *attachment; | |
1956 | const char *p; | |
1957 | int64_t len; | |
1958 | ||
1959 | if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) { | |
1960 | av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n", | |
1961 | o->attachments[i]); | |
1962 | exit_program(1); | |
1963 | } | |
1964 | if ((len = avio_size(pb)) <= 0) { | |
1965 | av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n", | |
1966 | o->attachments[i]); | |
1967 | exit_program(1); | |
1968 | } | |
1969 | if (!(attachment = av_malloc(len))) { | |
1970 | av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n", | |
1971 | o->attachments[i]); | |
1972 | exit_program(1); | |
1973 | } | |
1974 | avio_read(pb, attachment, len); | |
1975 | ||
1976 | ost = new_attachment_stream(o, oc, -1); | |
1977 | ost->stream_copy = 0; | |
1978 | ost->attachment_filename = o->attachments[i]; | |
1979 | ost->finished = 1; | |
1980 | ost->enc_ctx->extradata = attachment; | |
1981 | ost->enc_ctx->extradata_size = len; | |
1982 | ||
1983 | p = strrchr(o->attachments[i], '/'); | |
1984 | av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE); | |
1985 | avio_close(pb); | |
1986 | } | |
1987 | ||
1988 | for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file | |
1989 | AVDictionaryEntry *e; | |
1990 | ost = output_streams[i]; | |
1991 | ||
1992 | if ((ost->stream_copy || ost->attachment_filename) | |
1993 | && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX)) | |
1994 | && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6))) | |
1995 | if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0) | |
1996 | exit_program(1); | |
1997 | } | |
1998 | ||
1999 | /* check if all codec options have been used */ | |
2000 | unused_opts = strip_specifiers(o->g->codec_opts); | |
2001 | for (i = of->ost_index; i < nb_output_streams; i++) { | |
2002 | e = NULL; | |
2003 | while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e, | |
2004 | AV_DICT_IGNORE_SUFFIX))) | |
2005 | av_dict_set(&unused_opts, e->key, NULL, 0); | |
2006 | } | |
2007 | ||
2008 | e = NULL; | |
2009 | while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) { | |
2010 | const AVClass *class = avcodec_get_class(); | |
2011 | const AVOption *option = av_opt_find(&class, e->key, NULL, 0, | |
2012 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); | |
2013 | const AVClass *fclass = avformat_get_class(); | |
2014 | const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0, | |
2015 | AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); | |
2016 | if (!option || foption) | |
2017 | continue; | |
2018 | ||
2019 | ||
2020 | if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) { | |
2021 | av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for " | |
2022 | "output file #%d (%s) is not an encoding option.\n", e->key, | |
2023 | option->help ? option->help : "", nb_output_files - 1, | |
2024 | filename); | |
2025 | exit_program(1); | |
2026 | } | |
2027 | ||
2028 | // gop_timecode is injected by generic code but not always used | |
2029 | if (!strcmp(e->key, "gop_timecode")) | |
2030 | continue; | |
2031 | ||
2032 | av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for " | |
2033 | "output file #%d (%s) has not been used for any stream. The most " | |
2034 | "likely reason is either wrong type (e.g. a video option with " | |
2035 | "no video streams) or that it is a private option of some encoder " | |
2036 | "which was not actually used for any stream.\n", e->key, | |
2037 | option->help ? option->help : "", nb_output_files - 1, filename); | |
2038 | } | |
2039 | av_dict_free(&unused_opts); | |
2040 | ||
2041 | /* check filename in case of an image number is expected */ | |
2042 | if (oc->oformat->flags & AVFMT_NEEDNUMBER) { | |
2043 | if (!av_filename_number_test(oc->filename)) { | |
2044 | print_error(oc->filename, AVERROR(EINVAL)); | |
2045 | exit_program(1); | |
2046 | } | |
2047 | } | |
2048 | ||
2049 | if (!(oc->oformat->flags & AVFMT_NOFILE)) { | |
2050 | /* test if it already exists to avoid losing precious files */ | |
2051 | assert_file_overwrite(filename); | |
2052 | ||
2053 | /* open the file */ | |
2054 | if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE, | |
2055 | &oc->interrupt_callback, | |
2056 | &of->opts)) < 0) { | |
2057 | print_error(filename, err); | |
2058 | exit_program(1); | |
2059 | } | |
2060 | } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename)) | |
2061 | assert_file_overwrite(filename); | |
2062 | ||
2063 | if (o->mux_preload) { | |
2064 | av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0); | |
2065 | } | |
2066 | oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); | |
2067 | ||
2068 | /* copy metadata */ | |
2069 | for (i = 0; i < o->nb_metadata_map; i++) { | |
2070 | char *p; | |
2071 | int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0); | |
2072 | ||
2073 | if (in_file_index >= nb_input_files) { | |
2074 | av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index); | |
2075 | exit_program(1); | |
2076 | } | |
2077 | copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, | |
2078 | in_file_index >= 0 ? | |
2079 | input_files[in_file_index]->ctx : NULL, o); | |
2080 | } | |
2081 | ||
2082 | /* copy chapters */ | |
2083 | if (o->chapters_input_file >= nb_input_files) { | |
2084 | if (o->chapters_input_file == INT_MAX) { | |
2085 | /* copy chapters from the first input file that has them*/ | |
2086 | o->chapters_input_file = -1; | |
2087 | for (i = 0; i < nb_input_files; i++) | |
2088 | if (input_files[i]->ctx->nb_chapters) { | |
2089 | o->chapters_input_file = i; | |
2090 | break; | |
2091 | } | |
2092 | } else { | |
2093 | av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n", | |
2094 | o->chapters_input_file); | |
2095 | exit_program(1); | |
2096 | } | |
2097 | } | |
2098 | if (o->chapters_input_file >= 0) | |
2099 | copy_chapters(input_files[o->chapters_input_file], of, | |
2100 | !o->metadata_chapters_manual); | |
2101 | ||
2102 | /* copy global metadata by default */ | |
2103 | if (!o->metadata_global_manual && nb_input_files){ | |
2104 | av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata, | |
2105 | AV_DICT_DONT_OVERWRITE); | |
2106 | if(o->recording_time != INT64_MAX) | |
2107 | av_dict_set(&oc->metadata, "duration", NULL, 0); | |
2108 | av_dict_set(&oc->metadata, "creation_time", NULL, 0); | |
2109 | } | |
2110 | if (!o->metadata_streams_manual) | |
2111 | for (i = of->ost_index; i < nb_output_streams; i++) { | |
2112 | InputStream *ist; | |
2113 | if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */ | |
2114 | continue; | |
2115 | ist = input_streams[output_streams[i]->source_index]; | |
2116 | av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE); | |
2117 | if (!output_streams[i]->stream_copy) | |
2118 | av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0); | |
2119 | } | |
2120 | ||
2121 | /* process manually set metadata */ | |
2122 | for (i = 0; i < o->nb_metadata; i++) { | |
2123 | AVDictionary **m; | |
2124 | char type, *val; | |
2125 | const char *stream_spec; | |
2126 | int index = 0, j, ret = 0; | |
2127 | ||
2128 | val = strchr(o->metadata[i].u.str, '='); | |
2129 | if (!val) { | |
2130 | av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n", | |
2131 | o->metadata[i].u.str); | |
2132 | exit_program(1); | |
2133 | } | |
2134 | *val++ = 0; | |
2135 | ||
2136 | parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec); | |
2137 | if (type == 's') { | |
2138 | for (j = 0; j < oc->nb_streams; j++) { | |
2139 | if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) { | |
2140 | av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0); | |
2141 | } else if (ret < 0) | |
2142 | exit_program(1); | |
2143 | } | |
2144 | } | |
2145 | else { | |
2146 | switch (type) { | |
2147 | case 'g': | |
2148 | m = &oc->metadata; | |
2149 | break; | |
2150 | case 'c': | |
2151 | if (index < 0 || index >= oc->nb_chapters) { | |
2152 | av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index); | |
2153 | exit_program(1); | |
2154 | } | |
2155 | m = &oc->chapters[index]->metadata; | |
2156 | break; | |
2157 | default: | |
2158 | av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier); | |
2159 | exit_program(1); | |
2160 | } | |
2161 | av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0); | |
2162 | } | |
2163 | } | |
2164 | ||
2165 | return 0; | |
2166 | } | |
2167 | ||
2168 | static int opt_target(void *optctx, const char *opt, const char *arg) | |
2169 | { | |
2170 | OptionsContext *o = optctx; | |
2171 | enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN; | |
2172 | static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" }; | |
2173 | ||
2174 | if (!strncmp(arg, "pal-", 4)) { | |
2175 | norm = PAL; | |
2176 | arg += 4; | |
2177 | } else if (!strncmp(arg, "ntsc-", 5)) { | |
2178 | norm = NTSC; | |
2179 | arg += 5; | |
2180 | } else if (!strncmp(arg, "film-", 5)) { | |
2181 | norm = FILM; | |
2182 | arg += 5; | |
2183 | } else { | |
2184 | /* Try to determine PAL/NTSC by peeking in the input files */ | |
2185 | if (nb_input_files) { | |
2186 | int i, j, fr; | |
2187 | for (j = 0; j < nb_input_files; j++) { | |
2188 | for (i = 0; i < input_files[j]->nb_streams; i++) { | |
2189 | AVCodecContext *c = input_files[j]->ctx->streams[i]->codec; | |
2190 | if (c->codec_type != AVMEDIA_TYPE_VIDEO || | |
2191 | !c->time_base.num) | |
2192 | continue; | |
2193 | fr = c->time_base.den * 1000 / c->time_base.num; | |
2194 | if (fr == 25000) { | |
2195 | norm = PAL; | |
2196 | break; | |
2197 | } else if ((fr == 29970) || (fr == 23976)) { | |
2198 | norm = NTSC; | |
2199 | break; | |
2200 | } | |
2201 | } | |
2202 | if (norm != UNKNOWN) | |
2203 | break; | |
2204 | } | |
2205 | } | |
2206 | if (norm != UNKNOWN) | |
2207 | av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC"); | |
2208 | } | |
2209 | ||
2210 | if (norm == UNKNOWN) { | |
2211 | av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n"); | |
2212 | av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n"); | |
2213 | av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n"); | |
2214 | exit_program(1); | |
2215 | } | |
2216 | ||
2217 | if (!strcmp(arg, "vcd")) { | |
2218 | opt_video_codec(o, "c:v", "mpeg1video"); | |
2219 | opt_audio_codec(o, "c:a", "mp2"); | |
2220 | parse_option(o, "f", "vcd", options); | |
2221 | ||
2222 | parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options); | |
2223 | parse_option(o, "r", frame_rates[norm], options); | |
2224 | opt_default(NULL, "g", norm == PAL ? "15" : "18"); | |
2225 | ||
2226 | opt_default(NULL, "b:v", "1150000"); | |
2227 | opt_default(NULL, "maxrate", "1150000"); | |
2228 | opt_default(NULL, "minrate", "1150000"); | |
2229 | opt_default(NULL, "bufsize", "327680"); // 40*1024*8; | |
2230 | ||
2231 | opt_default(NULL, "b:a", "224000"); | |
2232 | parse_option(o, "ar", "44100", options); | |
2233 | parse_option(o, "ac", "2", options); | |
2234 | ||
2235 | opt_default(NULL, "packetsize", "2324"); | |
2236 | opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8; | |
2237 | ||
2238 | /* We have to offset the PTS, so that it is consistent with the SCR. | |
2239 | SCR starts at 36000, but the first two packs contain only padding | |
2240 | and the first pack from the other stream, respectively, may also have | |
2241 | been written before. | |
2242 | So the real data starts at SCR 36000+3*1200. */ | |
2243 | o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44 | |
2244 | } else if (!strcmp(arg, "svcd")) { | |
2245 | ||
2246 | opt_video_codec(o, "c:v", "mpeg2video"); | |
2247 | opt_audio_codec(o, "c:a", "mp2"); | |
2248 | parse_option(o, "f", "svcd", options); | |
2249 | ||
2250 | parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options); | |
2251 | parse_option(o, "r", frame_rates[norm], options); | |
2252 | parse_option(o, "pix_fmt", "yuv420p", options); | |
2253 | opt_default(NULL, "g", norm == PAL ? "15" : "18"); | |
2254 | ||
2255 | opt_default(NULL, "b:v", "2040000"); | |
2256 | opt_default(NULL, "maxrate", "2516000"); | |
2257 | opt_default(NULL, "minrate", "0"); // 1145000; | |
2258 | opt_default(NULL, "bufsize", "1835008"); // 224*1024*8; | |
2259 | opt_default(NULL, "scan_offset", "1"); | |
2260 | ||
2261 | opt_default(NULL, "b:a", "224000"); | |
2262 | parse_option(o, "ar", "44100", options); | |
2263 | ||
2264 | opt_default(NULL, "packetsize", "2324"); | |
2265 | ||
2266 | } else if (!strcmp(arg, "dvd")) { | |
2267 | ||
2268 | opt_video_codec(o, "c:v", "mpeg2video"); | |
2269 | opt_audio_codec(o, "c:a", "ac3"); | |
2270 | parse_option(o, "f", "dvd", options); | |
2271 | ||
2272 | parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); | |
2273 | parse_option(o, "r", frame_rates[norm], options); | |
2274 | parse_option(o, "pix_fmt", "yuv420p", options); | |
2275 | opt_default(NULL, "g", norm == PAL ? "15" : "18"); | |
2276 | ||
2277 | opt_default(NULL, "b:v", "6000000"); | |
2278 | opt_default(NULL, "maxrate", "9000000"); | |
2279 | opt_default(NULL, "minrate", "0"); // 1500000; | |
2280 | opt_default(NULL, "bufsize", "1835008"); // 224*1024*8; | |
2281 | ||
2282 | opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack. | |
2283 | opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8 | |
2284 | ||
2285 | opt_default(NULL, "b:a", "448000"); | |
2286 | parse_option(o, "ar", "48000", options); | |
2287 | ||
2288 | } else if (!strncmp(arg, "dv", 2)) { | |
2289 | ||
2290 | parse_option(o, "f", "dv", options); | |
2291 | ||
2292 | parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); | |
2293 | parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" : | |
2294 | norm == PAL ? "yuv420p" : "yuv411p", options); | |
2295 | parse_option(o, "r", frame_rates[norm], options); | |
2296 | ||
2297 | parse_option(o, "ar", "48000", options); | |
2298 | parse_option(o, "ac", "2", options); | |
2299 | ||
2300 | } else { | |
2301 | av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg); | |
2302 | return AVERROR(EINVAL); | |
2303 | } | |
2304 | ||
2305 | av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE); | |
2306 | av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE); | |
2307 | ||
2308 | return 0; | |
2309 | } | |
2310 | ||
2311 | static int opt_vstats_file(void *optctx, const char *opt, const char *arg) | |
2312 | { | |
2313 | av_free (vstats_filename); | |
2314 | vstats_filename = av_strdup (arg); | |
2315 | return 0; | |
2316 | } | |
2317 | ||
2318 | static int opt_vstats(void *optctx, const char *opt, const char *arg) | |
2319 | { | |
2320 | char filename[40]; | |
2321 | time_t today2 = time(NULL); | |
2322 | struct tm *today = localtime(&today2); | |
2323 | ||
2324 | snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, | |
2325 | today->tm_sec); | |
2326 | return opt_vstats_file(NULL, opt, filename); | |
2327 | } | |
2328 | ||
2329 | static int opt_video_frames(void *optctx, const char *opt, const char *arg) | |
2330 | { | |
2331 | OptionsContext *o = optctx; | |
2332 | return parse_option(o, "frames:v", arg, options); | |
2333 | } | |
2334 | ||
2335 | static int opt_audio_frames(void *optctx, const char *opt, const char *arg) | |
2336 | { | |
2337 | OptionsContext *o = optctx; | |
2338 | return parse_option(o, "frames:a", arg, options); | |
2339 | } | |
2340 | ||
2341 | static int opt_data_frames(void *optctx, const char *opt, const char *arg) | |
2342 | { | |
2343 | OptionsContext *o = optctx; | |
2344 | return parse_option(o, "frames:d", arg, options); | |
2345 | } | |
2346 | ||
2347 | static int opt_default_new(OptionsContext *o, const char *opt, const char *arg) | |
2348 | { | |
2349 | int ret; | |
2350 | AVDictionary *cbak = codec_opts; | |
2351 | AVDictionary *fbak = format_opts; | |
2352 | codec_opts = NULL; | |
2353 | format_opts = NULL; | |
2354 | ||
2355 | ret = opt_default(NULL, opt, arg); | |
2356 | ||
2357 | av_dict_copy(&o->g->codec_opts , codec_opts, 0); | |
2358 | av_dict_copy(&o->g->format_opts, format_opts, 0); | |
2359 | av_dict_free(&codec_opts); | |
2360 | av_dict_free(&format_opts); | |
2361 | codec_opts = cbak; | |
2362 | format_opts = fbak; | |
2363 | ||
2364 | return ret; | |
2365 | } | |
2366 | ||
2367 | static int opt_preset(void *optctx, const char *opt, const char *arg) | |
2368 | { | |
2369 | OptionsContext *o = optctx; | |
2370 | FILE *f=NULL; | |
2371 | char filename[1000], line[1000], tmp_line[1000]; | |
2372 | const char *codec_name = NULL; | |
2373 | ||
2374 | tmp_line[0] = *opt; | |
2375 | tmp_line[1] = 0; | |
2376 | MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line); | |
2377 | ||
2378 | if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) { | |
2379 | if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){ | |
2380 | av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n"); | |
2381 | }else | |
2382 | av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg); | |
2383 | exit_program(1); | |
2384 | } | |
2385 | ||
2386 | while (fgets(line, sizeof(line), f)) { | |
2387 | char *key = tmp_line, *value, *endptr; | |
2388 | ||
2389 | if (strcspn(line, "#\n\r") == 0) | |
2390 | continue; | |
2391 | av_strlcpy(tmp_line, line, sizeof(tmp_line)); | |
2392 | if (!av_strtok(key, "=", &value) || | |
2393 | !av_strtok(value, "\r\n", &endptr)) { | |
2394 | av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line); | |
2395 | exit_program(1); | |
2396 | } | |
2397 | av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value); | |
2398 | ||
2399 | if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value); | |
2400 | else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value); | |
2401 | else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value); | |
2402 | else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value); | |
2403 | else if (opt_default_new(o, key, value) < 0) { | |
2404 | av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", | |
2405 | filename, line, key, value); | |
2406 | exit_program(1); | |
2407 | } | |
2408 | } | |
2409 | ||
2410 | fclose(f); | |
2411 | ||
2412 | return 0; | |
2413 | } | |
2414 | ||
2415 | static int opt_old2new(void *optctx, const char *opt, const char *arg) | |
2416 | { | |
2417 | OptionsContext *o = optctx; | |
2418 | char *s = av_asprintf("%s:%c", opt + 1, *opt); | |
2419 | int ret = parse_option(o, s, arg, options); | |
2420 | av_free(s); | |
2421 | return ret; | |
2422 | } | |
2423 | ||
2424 | static int opt_bitrate(void *optctx, const char *opt, const char *arg) | |
2425 | { | |
2426 | OptionsContext *o = optctx; | |
2427 | ||
2428 | if(!strcmp(opt, "ab")){ | |
2429 | av_dict_set(&o->g->codec_opts, "b:a", arg, 0); | |
2430 | return 0; | |
2431 | } else if(!strcmp(opt, "b")){ | |
2432 | av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n"); | |
2433 | av_dict_set(&o->g->codec_opts, "b:v", arg, 0); | |
2434 | return 0; | |
2435 | } | |
2436 | av_dict_set(&o->g->codec_opts, opt, arg, 0); | |
2437 | return 0; | |
2438 | } | |
2439 | ||
2440 | static int opt_qscale(void *optctx, const char *opt, const char *arg) | |
2441 | { | |
2442 | OptionsContext *o = optctx; | |
2443 | char *s; | |
2444 | int ret; | |
2445 | if(!strcmp(opt, "qscale")){ | |
2446 | av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n"); | |
2447 | return parse_option(o, "q:v", arg, options); | |
2448 | } | |
2449 | s = av_asprintf("q%s", opt + 6); | |
2450 | ret = parse_option(o, s, arg, options); | |
2451 | av_free(s); | |
2452 | return ret; | |
2453 | } | |
2454 | ||
2455 | static int opt_profile(void *optctx, const char *opt, const char *arg) | |
2456 | { | |
2457 | OptionsContext *o = optctx; | |
2458 | if(!strcmp(opt, "profile")){ | |
2459 | av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n"); | |
2460 | av_dict_set(&o->g->codec_opts, "profile:v", arg, 0); | |
2461 | return 0; | |
2462 | } | |
2463 | av_dict_set(&o->g->codec_opts, opt, arg, 0); | |
2464 | return 0; | |
2465 | } | |
2466 | ||
2467 | static int opt_video_filters(void *optctx, const char *opt, const char *arg) | |
2468 | { | |
2469 | OptionsContext *o = optctx; | |
2470 | return parse_option(o, "filter:v", arg, options); | |
2471 | } | |
2472 | ||
2473 | static int opt_audio_filters(void *optctx, const char *opt, const char *arg) | |
2474 | { | |
2475 | OptionsContext *o = optctx; | |
2476 | return parse_option(o, "filter:a", arg, options); | |
2477 | } | |
2478 | ||
2479 | static int opt_vsync(void *optctx, const char *opt, const char *arg) | |
2480 | { | |
2481 | if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR; | |
2482 | else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR; | |
2483 | else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH; | |
2484 | else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP; | |
2485 | ||
2486 | if (video_sync_method == VSYNC_AUTO) | |
2487 | video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR); | |
2488 | return 0; | |
2489 | } | |
2490 | ||
2491 | static int opt_timecode(void *optctx, const char *opt, const char *arg) | |
2492 | { | |
2493 | OptionsContext *o = optctx; | |
2494 | char *tcr = av_asprintf("timecode=%s", arg); | |
2495 | int ret = parse_option(o, "metadata:g", tcr, options); | |
2496 | if (ret >= 0) | |
2497 | ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0); | |
2498 | av_free(tcr); | |
2499 | return 0; | |
2500 | } | |
2501 | ||
2502 | static int opt_channel_layout(void *optctx, const char *opt, const char *arg) | |
2503 | { | |
2504 | OptionsContext *o = optctx; | |
2505 | char layout_str[32]; | |
2506 | char *stream_str; | |
2507 | char *ac_str; | |
2508 | int ret, channels, ac_str_size; | |
2509 | uint64_t layout; | |
2510 | ||
2511 | layout = av_get_channel_layout(arg); | |
2512 | if (!layout) { | |
2513 | av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg); | |
2514 | return AVERROR(EINVAL); | |
2515 | } | |
2516 | snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout); | |
2517 | ret = opt_default_new(o, opt, layout_str); | |
2518 | if (ret < 0) | |
2519 | return ret; | |
2520 | ||
2521 | /* set 'ac' option based on channel layout */ | |
2522 | channels = av_get_channel_layout_nb_channels(layout); | |
2523 | snprintf(layout_str, sizeof(layout_str), "%d", channels); | |
2524 | stream_str = strchr(opt, ':'); | |
2525 | ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0); | |
2526 | ac_str = av_mallocz(ac_str_size); | |
2527 | if (!ac_str) | |
2528 | return AVERROR(ENOMEM); | |
2529 | av_strlcpy(ac_str, "ac", 3); | |
2530 | if (stream_str) | |
2531 | av_strlcat(ac_str, stream_str, ac_str_size); | |
2532 | ret = parse_option(o, ac_str, layout_str, options); | |
2533 | av_free(ac_str); | |
2534 | ||
2535 | return ret; | |
2536 | } | |
2537 | ||
2538 | static int opt_audio_qscale(void *optctx, const char *opt, const char *arg) | |
2539 | { | |
2540 | OptionsContext *o = optctx; | |
2541 | return parse_option(o, "q:a", arg, options); | |
2542 | } | |
2543 | ||
2544 | static int opt_filter_complex(void *optctx, const char *opt, const char *arg) | |
2545 | { | |
2546 | GROW_ARRAY(filtergraphs, nb_filtergraphs); | |
2547 | if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) | |
2548 | return AVERROR(ENOMEM); | |
2549 | filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; | |
2550 | filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg); | |
2551 | if (!filtergraphs[nb_filtergraphs - 1]->graph_desc) | |
2552 | return AVERROR(ENOMEM); | |
2553 | return 0; | |
2554 | } | |
2555 | ||
2556 | static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg) | |
2557 | { | |
2558 | uint8_t *graph_desc = read_file(arg); | |
2559 | if (!graph_desc) | |
2560 | return AVERROR(EINVAL); | |
2561 | ||
2562 | GROW_ARRAY(filtergraphs, nb_filtergraphs); | |
2563 | if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) | |
2564 | return AVERROR(ENOMEM); | |
2565 | filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; | |
2566 | filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc; | |
2567 | return 0; | |
2568 | } | |
2569 | ||
2570 | void show_help_default(const char *opt, const char *arg) | |
2571 | { | |
2572 | /* per-file options have at least one of those set */ | |
2573 | const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE; | |
2574 | int show_advanced = 0, show_avoptions = 0; | |
2575 | ||
2576 | if (opt && *opt) { | |
2577 | if (!strcmp(opt, "long")) | |
2578 | show_advanced = 1; | |
2579 | else if (!strcmp(opt, "full")) | |
2580 | show_advanced = show_avoptions = 1; | |
2581 | else | |
2582 | av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt); | |
2583 | } | |
2584 | ||
2585 | show_usage(); | |
2586 | ||
2587 | printf("Getting help:\n" | |
2588 | " -h -- print basic options\n" | |
2589 | " -h long -- print more options\n" | |
2590 | " -h full -- print all options (including all format and codec specific options, very long)\n" | |
2591 | " See man %s for detailed description of the options.\n" | |
2592 | "\n", program_name); | |
2593 | ||
2594 | show_help_options(options, "Print help / information / capabilities:", | |
2595 | OPT_EXIT, 0, 0); | |
2596 | ||
2597 | show_help_options(options, "Global options (affect whole program " | |
2598 | "instead of just one file:", | |
2599 | 0, per_file | OPT_EXIT | OPT_EXPERT, 0); | |
2600 | if (show_advanced) | |
2601 | show_help_options(options, "Advanced global options:", OPT_EXPERT, | |
2602 | per_file | OPT_EXIT, 0); | |
2603 | ||
2604 | show_help_options(options, "Per-file main options:", 0, | |
2605 | OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | | |
2606 | OPT_EXIT, per_file); | |
2607 | if (show_advanced) | |
2608 | show_help_options(options, "Advanced per-file options:", | |
2609 | OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file); | |
2610 | ||
2611 | show_help_options(options, "Video options:", | |
2612 | OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0); | |
2613 | if (show_advanced) | |
2614 | show_help_options(options, "Advanced Video options:", | |
2615 | OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0); | |
2616 | ||
2617 | show_help_options(options, "Audio options:", | |
2618 | OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0); | |
2619 | if (show_advanced) | |
2620 | show_help_options(options, "Advanced Audio options:", | |
2621 | OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0); | |
2622 | show_help_options(options, "Subtitle options:", | |
2623 | OPT_SUBTITLE, 0, 0); | |
2624 | printf("\n"); | |
2625 | ||
2626 | if (show_avoptions) { | |
2627 | int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM; | |
2628 | show_help_children(avcodec_get_class(), flags); | |
2629 | show_help_children(avformat_get_class(), flags); | |
2630 | #if CONFIG_SWSCALE | |
2631 | show_help_children(sws_get_class(), flags); | |
2632 | #endif | |
2633 | show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM); | |
2634 | show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM); | |
2635 | } | |
2636 | } | |
2637 | ||
2638 | void show_usage(void) | |
2639 | { | |
2640 | av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n"); | |
2641 | av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name); | |
2642 | av_log(NULL, AV_LOG_INFO, "\n"); | |
2643 | } | |
2644 | ||
2645 | enum OptGroup { | |
2646 | GROUP_OUTFILE, | |
2647 | GROUP_INFILE, | |
2648 | }; | |
2649 | ||
2650 | static const OptionGroupDef groups[] = { | |
2651 | [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT }, | |
2652 | [GROUP_INFILE] = { "input file", "i", OPT_INPUT }, | |
2653 | }; | |
2654 | ||
2655 | static int open_files(OptionGroupList *l, const char *inout, | |
2656 | int (*open_file)(OptionsContext*, const char*)) | |
2657 | { | |
2658 | int i, ret; | |
2659 | ||
2660 | for (i = 0; i < l->nb_groups; i++) { | |
2661 | OptionGroup *g = &l->groups[i]; | |
2662 | OptionsContext o; | |
2663 | ||
2664 | init_options(&o); | |
2665 | o.g = g; | |
2666 | ||
2667 | ret = parse_optgroup(&o, g); | |
2668 | if (ret < 0) { | |
2669 | av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file " | |
2670 | "%s.\n", inout, g->arg); | |
2671 | return ret; | |
2672 | } | |
2673 | ||
2674 | av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg); | |
2675 | ret = open_file(&o, g->arg); | |
2676 | uninit_options(&o); | |
2677 | if (ret < 0) { | |
2678 | av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n", | |
2679 | inout, g->arg); | |
2680 | return ret; | |
2681 | } | |
2682 | av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n"); | |
2683 | } | |
2684 | ||
2685 | return 0; | |
2686 | } | |
2687 | ||
2688 | int ffmpeg_parse_options(int argc, char **argv) | |
2689 | { | |
2690 | OptionParseContext octx; | |
2691 | uint8_t error[128]; | |
2692 | int ret; | |
2693 | ||
2694 | memset(&octx, 0, sizeof(octx)); | |
2695 | ||
2696 | /* split the commandline into an internal representation */ | |
2697 | ret = split_commandline(&octx, argc, argv, options, groups, | |
2698 | FF_ARRAY_ELEMS(groups)); | |
2699 | if (ret < 0) { | |
2700 | av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: "); | |
2701 | goto fail; | |
2702 | } | |
2703 | ||
2704 | /* apply global options */ | |
2705 | ret = parse_optgroup(NULL, &octx.global_opts); | |
2706 | if (ret < 0) { | |
2707 | av_log(NULL, AV_LOG_FATAL, "Error parsing global options: "); | |
2708 | goto fail; | |
2709 | } | |
2710 | ||
2711 | /* open input files */ | |
2712 | ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file); | |
2713 | if (ret < 0) { | |
2714 | av_log(NULL, AV_LOG_FATAL, "Error opening input files: "); | |
2715 | goto fail; | |
2716 | } | |
2717 | ||
2718 | /* open output files */ | |
2719 | ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file); | |
2720 | if (ret < 0) { | |
2721 | av_log(NULL, AV_LOG_FATAL, "Error opening output files: "); | |
2722 | goto fail; | |
2723 | } | |
2724 | ||
2725 | fail: | |
2726 | uninit_parse_context(&octx); | |
2727 | if (ret < 0) { | |
2728 | av_strerror(ret, error, sizeof(error)); | |
2729 | av_log(NULL, AV_LOG_FATAL, "%s\n", error); | |
2730 | } | |
2731 | return ret; | |
2732 | } | |
2733 | ||
2734 | static int opt_progress(void *optctx, const char *opt, const char *arg) | |
2735 | { | |
2736 | AVIOContext *avio = NULL; | |
2737 | int ret; | |
2738 | ||
2739 | if (!strcmp(arg, "-")) | |
2740 | arg = "pipe:"; | |
2741 | ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL); | |
2742 | if (ret < 0) { | |
2743 | av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n", | |
2744 | arg, av_err2str(ret)); | |
2745 | return ret; | |
2746 | } | |
2747 | progress_avio = avio; | |
2748 | return 0; | |
2749 | } | |
2750 | ||
2751 | #define OFFSET(x) offsetof(OptionsContext, x) | |
2752 | const OptionDef options[] = { | |
2753 | /* main options */ | |
2754 | #include "cmdutils_common_opts.h" | |
2755 | { "f", HAS_ARG | OPT_STRING | OPT_OFFSET | | |
2756 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) }, | |
2757 | "force format", "fmt" }, | |
2758 | { "y", OPT_BOOL, { &file_overwrite }, | |
2759 | "overwrite output files" }, | |
2760 | { "n", OPT_BOOL, { &no_file_overwrite }, | |
2761 | "never overwrite output files" }, | |
2762 | { "c", HAS_ARG | OPT_STRING | OPT_SPEC | | |
2763 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) }, | |
2764 | "codec name", "codec" }, | |
2765 | { "codec", HAS_ARG | OPT_STRING | OPT_SPEC | | |
2766 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) }, | |
2767 | "codec name", "codec" }, | |
2768 | { "pre", HAS_ARG | OPT_STRING | OPT_SPEC | | |
2769 | OPT_OUTPUT, { .off = OFFSET(presets) }, | |
2770 | "preset name", "preset" }, | |
2771 | { "map", HAS_ARG | OPT_EXPERT | OPT_PERFILE | | |
2772 | OPT_OUTPUT, { .func_arg = opt_map }, | |
2773 | "set input stream mapping", | |
2774 | "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" }, | |
2775 | { "map_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel }, | |
2776 | "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" }, | |
2777 | { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC | | |
2778 | OPT_OUTPUT, { .off = OFFSET(metadata_map) }, | |
2779 | "set metadata information of outfile from infile", | |
2780 | "outfile[,metadata]:infile[,metadata]" }, | |
2781 | { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET | | |
2782 | OPT_OUTPUT, { .off = OFFSET(chapters_input_file) }, | |
2783 | "set chapters mapping", "input_file_index" }, | |
2784 | { "t", HAS_ARG | OPT_TIME | OPT_OFFSET | | |
2785 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) }, | |
2786 | "record or transcode \"duration\" seconds of audio/video", | |
2787 | "duration" }, | |
2788 | { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) }, | |
2789 | "record or transcode stop time", "time_stop" }, | |
2790 | { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) }, | |
2791 | "set the limit file size in bytes", "limit_size" }, | |
2792 | { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET | | |
2793 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) }, | |
2794 | "set the start time offset", "time_off" }, | |
2795 | { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT | | |
2796 | OPT_INPUT, { .off = OFFSET(accurate_seek) }, | |
2797 | "enable/disable accurate seeking with -ss" }, | |
2798 | { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET | | |
2799 | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) }, | |
2800 | "set the input ts offset", "time_off" }, | |
2801 | { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC | | |
2802 | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) }, | |
2803 | "set the input ts scale", "scale" }, | |
2804 | { "timestamp", HAS_ARG | OPT_PERFILE, { .func_arg = opt_recording_timestamp }, | |
2805 | "set the recording timestamp ('now' to set the current time)", "time" }, | |
2806 | { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) }, | |
2807 | "add metadata", "string=string" }, | |
2808 | { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT | | |
2809 | OPT_OUTPUT, { .func_arg = opt_data_frames }, | |
2810 | "set the number of data frames to record", "number" }, | |
2811 | { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark }, | |
2812 | "add timings for benchmarking" }, | |
2813 | { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all }, | |
2814 | "add timings for each task" }, | |
2815 | { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress }, | |
2816 | "write program-readable progress information", "url" }, | |
2817 | { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction }, | |
2818 | "enable or disable interaction on standard input" }, | |
2819 | { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit }, | |
2820 | "set max runtime in seconds", "limit" }, | |
2821 | { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump }, | |
2822 | "dump each input packet" }, | |
2823 | { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump }, | |
2824 | "when dumping packets, also dump the payload" }, | |
2825 | { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET | | |
2826 | OPT_INPUT, { .off = OFFSET(rate_emu) }, | |
2827 | "read input at native frame rate", "" }, | |
2828 | { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target }, | |
2829 | "specify target file type (\"vcd\", \"svcd\", \"dvd\"," | |
2830 | " \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" }, | |
2831 | { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync }, | |
2832 | "video sync method", "" }, | |
2833 | { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method }, | |
2834 | "audio sync method", "" }, | |
2835 | { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold }, | |
2836 | "audio drift threshold", "threshold" }, | |
2837 | { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts }, | |
2838 | "copy timestamps" }, | |
2839 | { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb }, | |
2840 | "copy input stream time base when stream copying", "mode" }, | |
2841 | { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET | | |
2842 | OPT_OUTPUT, { .off = OFFSET(shortest) }, | |
2843 | "finish encoding within shortest input" }, | |
2844 | { "apad", OPT_STRING | HAS_ARG | OPT_SPEC | | |
2845 | OPT_OUTPUT, { .off = OFFSET(apad) }, | |
2846 | "audio pad", "" }, | |
2847 | { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold }, | |
2848 | "timestamp discontinuity delta threshold", "threshold" }, | |
2849 | { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold }, | |
2850 | "timestamp error delta threshold", "threshold" }, | |
2851 | { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error }, | |
2852 | "exit on error", "error" }, | |
2853 | { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC | | |
2854 | OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) }, | |
2855 | "copy initial non-keyframes" }, | |
2856 | { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) }, | |
2857 | "copy or discard frames before start time" }, | |
2858 | { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) }, | |
2859 | "set the number of frames to record", "number" }, | |
2860 | { "tag", OPT_STRING | HAS_ARG | OPT_SPEC | | |
2861 | OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) }, | |
2862 | "force codec tag/fourcc", "fourcc/tag" }, | |
2863 | { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | | |
2864 | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) }, | |
2865 | "use fixed quality scale (VBR)", "q" }, | |
2866 | { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE | | |
2867 | OPT_OUTPUT, { .func_arg = opt_qscale }, | |
2868 | "use fixed quality scale (VBR)", "q" }, | |
2869 | { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile }, | |
2870 | "set profile", "profile" }, | |
2871 | { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) }, | |
2872 | "set stream filtergraph", "filter_graph" }, | |
2873 | { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) }, | |
2874 | "read stream filtergraph description from a file", "filename" }, | |
2875 | { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) }, | |
2876 | "reinit filtergraph on input parameter changes", "" }, | |
2877 | { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex }, | |
2878 | "create a complex filtergraph", "graph_description" }, | |
2879 | { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex }, | |
2880 | "create a complex filtergraph", "graph_description" }, | |
2881 | { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script }, | |
2882 | "read complex filtergraph description from a file", "filename" }, | |
2883 | { "stats", OPT_BOOL, { &print_stats }, | |
2884 | "print progress report during encoding", }, | |
2885 | { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT | | |
2886 | OPT_OUTPUT, { .func_arg = opt_attach }, | |
2887 | "add an attachment to the output file", "filename" }, | |
2888 | { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC | | |
2889 | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) }, | |
2890 | "extract an attachment into a file", "filename" }, | |
2891 | { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts }, | |
2892 | "print timestamp debugging info" }, | |
2893 | { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate }, | |
2894 | "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." }, | |
2895 | { "discard", OPT_STRING | HAS_ARG | OPT_SPEC | | |
2896 | OPT_INPUT, { .off = OFFSET(discard) }, | |
2897 | "discard", "" }, | |
2898 | ||
2899 | /* video options */ | |
2900 | { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames }, | |
2901 | "set the number of video frames to record", "number" }, | |
2902 | { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC | | |
2903 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) }, | |
2904 | "set frame rate (Hz value, fraction or abbreviation)", "rate" }, | |
2905 | { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC | | |
2906 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) }, | |
2907 | "set frame size (WxH or abbreviation)", "size" }, | |
2908 | { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC | | |
2909 | OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) }, | |
2910 | "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, | |
2911 | { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | | |
2912 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) }, | |
2913 | "set pixel format", "format" }, | |
2914 | { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample }, | |
2915 | "set the number of bits per raw sample", "number" }, | |
2916 | { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only }, | |
2917 | "deprecated use -g 1" }, | |
2918 | { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) }, | |
2919 | "disable video" }, | |
2920 | { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | | |
2921 | OPT_OUTPUT, { .off = OFFSET(rc_overrides) }, | |
2922 | "rate control override for specific intervals", "override" }, | |
2923 | { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT | | |
2924 | OPT_OUTPUT, { .func_arg = opt_video_codec }, | |
2925 | "force video codec ('copy' to copy stream)", "codec" }, | |
2926 | { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq }, | |
2927 | "Removed" }, | |
2928 | { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq }, | |
2929 | "Removed" }, | |
2930 | { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode }, | |
2931 | "set initial TimeCode value.", "hh:mm:ss[:;.]ff" }, | |
2932 | { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) }, | |
2933 | "select the pass number (1 to 3)", "n" }, | |
2934 | { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | | |
2935 | OPT_OUTPUT, { .off = OFFSET(passlogfiles) }, | |
2936 | "select two pass log file name prefix", "prefix" }, | |
2937 | { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace }, | |
2938 | "this option is deprecated, use the yadif filter instead" }, | |
2939 | { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr }, | |
2940 | "calculate PSNR of compressed frames" }, | |
2941 | { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats }, | |
2942 | "dump video coding statistics to file" }, | |
2943 | { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file }, | |
2944 | "dump video coding statistics to file", "file" }, | |
2945 | { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters }, | |
2946 | "set video filters", "filter_graph" }, | |
2947 | { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | | |
2948 | OPT_OUTPUT, { .off = OFFSET(intra_matrices) }, | |
2949 | "specify intra matrix coeffs", "matrix" }, | |
2950 | { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | | |
2951 | OPT_OUTPUT, { .off = OFFSET(inter_matrices) }, | |
2952 | "specify inter matrix coeffs", "matrix" }, | |
2953 | { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | | |
2954 | OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) }, | |
2955 | "specify intra matrix coeffs", "matrix" }, | |
2956 | { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC | | |
2957 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) }, | |
2958 | "top=1/bottom=0/auto=-1 field first", "" }, | |
2959 | { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | | |
2960 | OPT_OUTPUT, { .func_arg = opt_old2new }, | |
2961 | "force video tag/fourcc", "fourcc/tag" }, | |
2962 | { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist }, | |
2963 | "show QP histogram" }, | |
2964 | { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC | | |
2965 | OPT_OUTPUT, { .off = OFFSET(force_fps) }, | |
2966 | "force the selected framerate, disable the best supported framerate selection" }, | |
2967 | { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | | |
2968 | OPT_OUTPUT, { .func_arg = opt_streamid }, | |
2969 | "set the value of an outfile streamid", "streamIndex:value" }, | |
2970 | { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | | |
2971 | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) }, | |
2972 | "force key frames at specified timestamps", "timestamps" }, | |
2973 | { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate }, | |
2974 | "audio bitrate (please use -b:a)", "bitrate" }, | |
2975 | { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate }, | |
2976 | "video bitrate (please use -b:v)", "bitrate" }, | |
2977 | { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | | |
2978 | OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) }, | |
2979 | "use HW accelerated decoding", "hwaccel name" }, | |
2980 | { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | | |
2981 | OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) }, | |
2982 | "select a device for HW acceleration" "devicename" }, | |
2983 | ||
2984 | /* audio options */ | |
2985 | { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames }, | |
2986 | "set the number of audio frames to record", "number" }, | |
2987 | { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale }, | |
2988 | "set audio quality (codec-specific)", "quality", }, | |
2989 | { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | | |
2990 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) }, | |
2991 | "set audio sampling rate (in Hz)", "rate" }, | |
2992 | { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | | |
2993 | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) }, | |
2994 | "set number of audio channels", "channels" }, | |
2995 | { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) }, | |
2996 | "disable audio" }, | |
2997 | { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE | | |
2998 | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec }, | |
2999 | "force audio codec ('copy' to copy stream)", "codec" }, | |
3000 | { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | | |
3001 | OPT_OUTPUT, { .func_arg = opt_old2new }, | |
3002 | "force audio tag/fourcc", "fourcc/tag" }, | |
3003 | { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume }, | |
3004 | "change audio volume (256=normal)" , "volume" }, | |
3005 | { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC | | |
3006 | OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) }, | |
3007 | "set sample format", "format" }, | |
3008 | { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | | |
3009 | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout }, | |
3010 | "set channel layout", "layout" }, | |
3011 | { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters }, | |
3012 | "set audio filters", "filter_graph" }, | |
3013 | { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | OPT_EXPERT | OPT_INPUT, { .off = OFFSET(guess_layout_max) }, | |
3014 | "set the maximum number of channels to try to guess the channel layout" }, | |
3015 | ||
3016 | /* subtitle options */ | |
3017 | { "sn", OPT_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) }, | |
3018 | "disable subtitle" }, | |
3019 | { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec }, | |
3020 | "force subtitle codec ('copy' to copy stream)", "codec" }, | |
3021 | { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new } | |
3022 | , "force subtitle tag/fourcc", "fourcc/tag" }, | |
3023 | { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) }, | |
3024 | "fix subtitles duration" }, | |
3025 | { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) }, | |
3026 | "set canvas size (WxH or abbreviation)", "size" }, | |
3027 | ||
3028 | /* grab options */ | |
3029 | { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel }, | |
3030 | "deprecated, use -channel", "channel" }, | |
3031 | { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard }, | |
3032 | "deprecated, use -standard", "standard" }, | |
3033 | { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" }, | |
3034 | ||
3035 | /* muxer options */ | |
3036 | { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) }, | |
3037 | "set the maximum demux-decode delay", "seconds" }, | |
3038 | { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) }, | |
3039 | "set the initial demux-decode delay", "seconds" }, | |
3040 | { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver }, | |
3041 | "override the options from ffserver", "" }, | |
3042 | ||
3043 | { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) }, | |
3044 | "A comma-separated list of bitstream filters", "bitstream_filters" }, | |
3045 | { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }, | |
3046 | "deprecated", "audio bitstream_filters" }, | |
3047 | { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }, | |
3048 | "deprecated", "video bitstream_filters" }, | |
3049 | ||
3050 | { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, | |
3051 | "set the audio options to the indicated preset", "preset" }, | |
3052 | { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, | |
3053 | "set the video options to the indicated preset", "preset" }, | |
3054 | { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, | |
3055 | "set the subtitle options to the indicated preset", "preset" }, | |
3056 | { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, | |
3057 | "set options from indicated preset file", "filename" }, | |
3058 | /* data codec support */ | |
3059 | { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec }, | |
3060 | "force data codec ('copy' to copy stream)", "codec" }, | |
3061 | { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) }, | |
3062 | "disable data" }, | |
3063 | ||
3064 | { NULL, }, | |
3065 | }; |