FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/fftools/ffmpeg_opt.c
Date: 2026-08-15 14:54:27
Exec Total Coverage
Lines: 370 828 44.7%
Functions: 33 58 56.9%
Branches: 210 506 41.5%

Line Branch Exec Source
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 "config.h"
22
23 #include <stdint.h>
24
25 #if HAVE_SYS_RESOURCE_H
26 #include <sys/time.h>
27 #include <sys/resource.h>
28 #endif
29
30 #include "ffmpeg.h"
31 #include "ffmpeg_sched.h"
32 #include "cmdutils.h"
33 #include "opt_common.h"
34
35 #include "libavformat/avformat.h"
36
37 #include "libavcodec/avcodec.h"
38 #include "libavcodec/bsf.h"
39
40 #include "libavfilter/avfilter.h"
41
42 #include "libavutil/avassert.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/avutil.h"
45 #include "libavutil/mathematics.h"
46 #include "libavutil/mem.h"
47 #include "libavutil/opt.h"
48 #include "libavutil/parseutils.h"
49 #include "libavutil/stereo3d.h"
50 #include "graph/graphprint.h"
51
52 HWDevice *filter_hw_device;
53
54 char *vstats_filename;
55
56 float dts_delta_threshold = 10;
57 float dts_error_threshold = 3600*30;
58
59 float frame_drop_threshold = 0;
60 int do_benchmark = 0;
61 int do_benchmark_all = 0;
62 int do_hex_dump = 0;
63 int do_pkt_dump = 0;
64 int copy_ts = 0;
65 int start_at_zero = 0;
66 int copy_tb = -1;
67 int debug_ts = 0;
68 int exit_on_error = 0;
69 int abort_on_flags = 0;
70 int print_stats = -1;
71 int stdin_interaction = 1;
72 float max_error_rate = 2.0/3;
73 char *filter_nbthreads;
74 int filter_complex_nbthreads = 0;
75 int filter_buffered_frames = 0;
76 int vstats_version = 2;
77 int print_graphs = 0;
78 char *print_graphs_file = NULL;
79 char *print_graphs_format = NULL;
80 int auto_conversion_filters = 1;
81 int64_t stats_period = 500000;
82
83
84 static int file_overwrite = 0;
85 static int no_file_overwrite = 0;
86 int ignore_unknown_streams = 0;
87 int copy_unknown_streams = 0;
88 int recast_media = 0;
89
90 // this struct is passed as the optctx argument
91 // to func_arg() for global options
92 typedef struct GlobalOptionsContext {
93 Scheduler *sch;
94
95 char **filtergraphs;
96 int nb_filtergraphs;
97 } GlobalOptionsContext;
98
99 16310 static void uninit_options(OptionsContext *o)
100 {
101 /* all OPT_SPEC and OPT_TYPE_STRING can be freed in generic way */
102
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3196760 for (const OptionDef *po = options; po->name; po++) {
103 void *dst;
104
105
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3180450 if (!(po->flags & OPT_FLAG_OFFSET))
106 1631000 continue;
107
108 1549450 dst = (uint8_t*)o + po->u.off;
109
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1549450 if (po->flags & OPT_FLAG_SPEC) {
110 1109080 SpecifierOptList *so = dst;
111
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1142965 for (int i = 0; i < so->nb_opt; i++) {
112 33885 av_freep(&so->opt[i].specifier);
113
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33885 if (po->flags & OPT_FLAG_PERSTREAM)
114 33567 stream_specifier_uninit(&so->opt[i].stream_spec);
115
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33885 if (po->type == OPT_TYPE_STRING)
116 28022 av_freep(&so->opt[i].u.str);
117 }
118 1109080 av_freep(&so->opt);
119 1109080 so->nb_opt = 0;
120
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440370 } else if (po->type == OPT_TYPE_STRING)
121 16310 av_freep(dst);
122 }
123
124
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16830 for (int i = 0; i < o->nb_stream_maps; i++)
125 520 av_freep(&o->stream_maps[i].linklabel);
126 16310 av_freep(&o->stream_maps);
127
128
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16311 for (int i = 0; i < o->nb_attachments; i++)
129 1 av_freep(&o->attachments[i]);
130 16310 av_freep(&o->attachments);
131
132 16310 av_dict_free(&o->streamid);
133 16310 }
134
135 16310 static void init_options(OptionsContext *o)
136 {
137 16310 memset(o, 0, sizeof(*o));
138
139 16310 o->stop_time = INT64_MAX;
140 16310 o->mux_max_delay = 0.7;
141 16310 o->start_time = AV_NOPTS_VALUE;
142 16310 o->start_time_eof = AV_NOPTS_VALUE;
143 16310 o->recording_time = INT64_MAX;
144 16310 o->limit_filesize = INT64_MAX;
145 16310 o->chapters_input_file = INT_MAX;
146 16310 o->accurate_seek = 1;
147 16310 o->thread_queue_size = 0;
148 16310 o->input_sync_ref = -1;
149 16310 o->find_stream_info = 1;
150 16310 o->shortest_buf_duration = 10.f;
151 16310 }
152
153 static int show_hwaccels(void *optctx, const char *opt, const char *arg)
154 {
155 enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
156
157 printf("Hardware acceleration methods:\n");
158 while ((type = av_hwdevice_iterate_types(type)) !=
159 AV_HWDEVICE_TYPE_NONE)
160 printf("%s\n", av_hwdevice_get_type_name(type));
161 printf("\n");
162 return 0;
163 }
164
165 38889 const char *opt_match_per_type_str(const SpecifierOptList *sol,
166 char mediatype)
167 {
168
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38889 av_assert0(!sol->nb_opt || sol->type == OPT_TYPE_STRING);
169
170
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53029 for (int i = 0; i < sol->nb_opt; i++) {
171 17337 const char *spec = sol->opt[i].specifier;
172
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17337 if (spec[0] == mediatype && !spec[1])
173 3197 return sol->opt[i].u.str;
174 }
175 35692 return NULL;
176 }
177
178 436855 static unsigned opt_match_per_stream(void *logctx, enum OptionType type,
179 const SpecifierOptList *sol,
180 AVFormatContext *fc, AVStream *st)
181 {
182 436855 int matches = 0, match_idx = -1;
183
184
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436855 av_assert0((type == sol->type) || !sol->nb_opt);
185
186
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471865 for (int i = 0; i < sol->nb_opt; i++) {
187 35010 const StreamSpecifier *ss = &sol->opt[i].stream_spec;
188
189
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35010 if (stream_specifier_match(ss, fc, st, logctx)) {
190 34538 match_idx = i;
191 34538 matches++;
192 }
193 }
194
195
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436855 if (matches > 1 && sol->opt_canon) {
196 2398 const SpecifierOpt *so = &sol->opt[match_idx];
197
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2398 const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";
198
199 2398 char namestr[128] = "";
200 char optval_buf[32];
201 2398 const char *optval = optval_buf;
202
203 2398 snprintf(namestr, sizeof(namestr), "-%s", sol->opt_canon->name);
204
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2398 if (sol->opt_canon->flags & OPT_HAS_ALT) {
205 2398 const char * const *names_alt = sol->opt_canon->u1.names_alt;
206
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9716 for (int i = 0; names_alt[i]; i++)
207 7318 av_strlcatf(namestr, sizeof(namestr), "/-%s", names_alt[i]);
208 }
209
210
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2398 switch (sol->type) {
211 63 case OPT_TYPE_STRING: optval = so->u.str; break;
212 case OPT_TYPE_INT: snprintf(optval_buf, sizeof(optval_buf), "%d", so->u.i); break;
213 2334 case OPT_TYPE_INT64: snprintf(optval_buf, sizeof(optval_buf), "%"PRId64, so->u.i64); break;
214 case OPT_TYPE_FLOAT: snprintf(optval_buf, sizeof(optval_buf), "%f", so->u.f); break;
215 1 case OPT_TYPE_DOUBLE: snprintf(optval_buf, sizeof(optval_buf), "%f", so->u.dbl); break;
216 default: av_assert0(0);
217 }
218
219 2398 av_log(logctx, AV_LOG_WARNING, "Multiple %s options specified for "
220 "stream %d, only the last option '-%s%s%s %s' will be used.\n",
221
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4796 namestr, st->index, sol->opt_canon->name, spec[0] ? ":" : "",
222 spec, optval);
223 }
224
225 436855 return match_idx + 1;
226 }
227
228 #define OPT_MATCH_PER_STREAM(name, type, opt_type, m) \
229 void opt_match_per_stream_ ## name(void *logctx, const SpecifierOptList *sol, \
230 AVFormatContext *fc, AVStream *st, type *out) \
231 { \
232 unsigned ret = opt_match_per_stream(logctx, opt_type, sol, fc, st); \
233 if (ret > 0) \
234 *out = sol->opt[ret - 1].u.m; \
235 }
236
237
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284637 OPT_MATCH_PER_STREAM(str, const char *, OPT_TYPE_STRING, str)
238
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119375 OPT_MATCH_PER_STREAM(int, int, OPT_TYPE_INT, i)
239
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9209 OPT_MATCH_PER_STREAM(int64, int64_t, OPT_TYPE_INT64, i64)
240
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23634 OPT_MATCH_PER_STREAM(dbl, double, OPT_TYPE_DOUBLE, dbl)
241
242 12 static unsigned opt_match_per_stream_group(void *logctx, enum OptionType type,
243 const SpecifierOptList *sol,
244 AVFormatContext *fc, AVStreamGroup *stg)
245 {
246 12 int matches = 0, match_idx = -1;
247
248
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12 av_assert0((type == sol->type) || !sol->nb_opt);
249
250
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12 for (int i = 0; i < sol->nb_opt; i++) {
251 const StreamSpecifier *ss = &sol->opt[i].stream_spec;
252
253 if (stream_group_specifier_match(ss, fc, stg, logctx)) {
254 match_idx = i;
255 matches++;
256 }
257 }
258
259
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12 if (matches > 1 && sol->opt_canon) {
260 const SpecifierOpt *so = &sol->opt[match_idx];
261 const char *spec = so->specifier && so->specifier[0] ? so->specifier : "";
262
263 char namestr[128] = "";
264 char optval_buf[32];
265 const char *optval = optval_buf;
266
267 snprintf(namestr, sizeof(namestr), "-%s", sol->opt_canon->name);
268 if (sol->opt_canon->flags & OPT_HAS_ALT) {
269 const char * const *names_alt = sol->opt_canon->u1.names_alt;
270 for (int i = 0; names_alt[i]; i++)
271 av_strlcatf(namestr, sizeof(namestr), "/-%s", names_alt[i]);
272 }
273
274 switch (sol->type) {
275 case OPT_TYPE_STRING: optval = so->u.str; break;
276 case OPT_TYPE_INT: snprintf(optval_buf, sizeof(optval_buf), "%d", so->u.i); break;
277 case OPT_TYPE_INT64: snprintf(optval_buf, sizeof(optval_buf), "%"PRId64, so->u.i64); break;
278 case OPT_TYPE_FLOAT: snprintf(optval_buf, sizeof(optval_buf), "%f", so->u.f); break;
279 case OPT_TYPE_DOUBLE: snprintf(optval_buf, sizeof(optval_buf), "%f", so->u.dbl); break;
280 default: av_assert0(0);
281 }
282
283 av_log(logctx, AV_LOG_WARNING, "Multiple %s options specified for "
284 "stream group %d, only the last option '-%s%s%s %s' will be used.\n",
285 namestr, stg->index, sol->opt_canon->name, spec[0] ? ":" : "",
286 spec, optval);
287 }
288
289 12 return match_idx + 1;
290 }
291
292 #define OPT_MATCH_PER_STREAM_GROUP(name, type, opt_type, m) \
293 void opt_match_per_stream_group_ ## name(void *logctx, const SpecifierOptList *sol, \
294 AVFormatContext *fc, AVStreamGroup *stg, type *out) \
295 { \
296 unsigned ret = opt_match_per_stream_group(logctx, opt_type, sol, fc, stg); \
297 if (ret > 0) \
298 *out = sol->opt[ret - 1].u.m; \
299 }
300
301
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6 OPT_MATCH_PER_STREAM_GROUP(str, const char *, OPT_TYPE_STRING, str)
302
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6 OPT_MATCH_PER_STREAM_GROUP(int, int, OPT_TYPE_INT, i)
303 OPT_MATCH_PER_STREAM_GROUP(int64, int64_t, OPT_TYPE_INT64, i64)
304 OPT_MATCH_PER_STREAM_GROUP(dbl, double, OPT_TYPE_DOUBLE, dbl)
305
306 427 int view_specifier_parse(const char **pspec, ViewSpecifier *vs)
307 {
308 427 const char *spec = *pspec;
309 char *endptr;
310
311 427 vs->type = VIEW_SPECIFIER_TYPE_NONE;
312
313
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427 if (!strncmp(spec, "view:", 5)) {
314 9 spec += 5;
315
316
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9 if (!strncmp(spec, "all", 3)) {
317 1 spec += 3;
318 1 vs->type = VIEW_SPECIFIER_TYPE_ALL;
319 } else {
320 8 vs->type = VIEW_SPECIFIER_TYPE_ID;
321 8 vs->val = strtoul(spec, &endptr, 0);
322
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8 if (endptr == spec) {
323 av_log(NULL, AV_LOG_ERROR, "Invalid view ID: %s\n", spec);
324 return AVERROR(EINVAL);
325 }
326 8 spec = endptr;
327 }
328
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418 } else if (!strncmp(spec, "vidx:", 5)) {
329 3 spec += 5;
330 3 vs->type = VIEW_SPECIFIER_TYPE_IDX;
331 3 vs->val = strtoul(spec, &endptr, 0);
332
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3 if (endptr == spec) {
333 av_log(NULL, AV_LOG_ERROR, "Invalid view index: %s\n", spec);
334 return AVERROR(EINVAL);
335 }
336 3 spec = endptr;
337
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415 } else if (!strncmp(spec, "vpos:", 5)) {
338 2 spec += 5;
339 2 vs->type = VIEW_SPECIFIER_TYPE_POS;
340
341
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2 if (!strncmp(spec, "left", 4) && !cmdutils_isalnum(spec[4])) {
342 1 spec += 4;
343 1 vs->val = AV_STEREO3D_VIEW_LEFT;
344
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1 } else if (!strncmp(spec, "right", 5) && !cmdutils_isalnum(spec[5])) {
345 1 spec += 5;
346 1 vs->val = AV_STEREO3D_VIEW_RIGHT;
347 } else {
348 av_log(NULL, AV_LOG_ERROR, "Invalid view position: %s\n", spec);
349 return AVERROR(EINVAL);
350 }
351 } else
352 413 return 0;
353
354 14 *pspec = spec;
355
356 14 return 0;
357 }
358
359 534 int parse_and_set_vsync(const char *arg, enum VideoSyncMethod *vsync_var, int file_idx, int st_idx)
360 {
361
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534 if (!av_strcasecmp(arg, "cfr")) *vsync_var = VSYNC_CFR;
362
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528 else if (!av_strcasecmp(arg, "vfr")) *vsync_var = VSYNC_VFR;
363
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526 else if (!av_strcasecmp(arg, "passthrough")) *vsync_var = VSYNC_PASSTHROUGH;
364 else if (!av_strcasecmp(arg, "auto")) *vsync_var = VSYNC_AUTO;
365 else {
366 av_log(NULL, AV_LOG_FATAL, "Invalid value %s specified for fps_mode of #%d:%d.\n", arg, file_idx, st_idx);
367 return AVERROR(EINVAL);
368 }
369
370 534 return 0;
371 }
372
373 /* Correct input file start times based on enabled streams */
374 8694 static void correct_input_start_times(void)
375 {
376
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16293 for (int i = 0; i < nb_input_files; i++) {
377 7599 InputFile *ifile = input_files[i];
378 7599 AVFormatContext *is = ifile->ctx;
379 7599 int64_t new_start_time = INT64_MAX, diff, abs_start_seek;
380
381 7599 ifile->start_time_effective = is->start_time;
382
383
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7599 if (is->start_time == AV_NOPTS_VALUE ||
384
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5825 !(is->iformat->flags & AVFMT_TS_DISCONT))
385 7472 continue;
386
387
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316 for (int j = 0; j < is->nb_streams; j++) {
388 189 AVStream *st = is->streams[j];
389
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189 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
390 47 continue;
391
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142 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
392 }
393
394 127 diff = new_start_time - is->start_time;
395
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127 if (diff) {
396 4 av_log(NULL, AV_LOG_VERBOSE, "Correcting start time of Input #%d by %"PRId64" us.\n", i, diff);
397 4 ifile->start_time_effective = new_start_time;
398
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4 if (copy_ts && start_at_zero)
399 ifile->ts_offset = -new_start_time;
400
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4 else if (!copy_ts) {
401
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4 abs_start_seek = is->start_time + ((ifile->start_time != AV_NOPTS_VALUE) ? ifile->start_time : 0);
402
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4 ifile->ts_offset = abs_start_seek > new_start_time ? -abs_start_seek : -new_start_time;
403 } else if (copy_ts)
404 ifile->ts_offset = 0;
405
406 4 ifile->ts_offset += ifile->input_ts_offset;
407 }
408 }
409 8694 }
410
411 8694 static int apply_sync_offsets(void)
412 {
413
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16293 for (int i = 0; i < nb_input_files; i++) {
414 7599 InputFile *ref, *self = input_files[i];
415 int64_t adjustment;
416 int64_t self_start_time, ref_start_time, self_seek_start, ref_seek_start;
417 7599 int start_times_set = 1;
418
419
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7599 if (self->input_sync_ref == -1 || self->input_sync_ref == i) continue;
420 if (self->input_sync_ref >= nb_input_files || self->input_sync_ref < -1) {
421 av_log(NULL, AV_LOG_FATAL, "-isync for input %d references non-existent input %d.\n", i, self->input_sync_ref);
422 return AVERROR(EINVAL);
423 }
424
425 if (copy_ts && !start_at_zero) {
426 av_log(NULL, AV_LOG_FATAL, "Use of -isync requires that start_at_zero be set if copyts is set.\n");
427 return AVERROR(EINVAL);
428 }
429
430 ref = input_files[self->input_sync_ref];
431 if (ref->input_sync_ref != -1 && ref->input_sync_ref != self->input_sync_ref) {
432 av_log(NULL, AV_LOG_ERROR, "-isync for input %d references a resynced input %d. Sync not set.\n", i, self->input_sync_ref);
433 continue;
434 }
435
436 if (self->ctx->start_time_realtime != AV_NOPTS_VALUE && ref->ctx->start_time_realtime != AV_NOPTS_VALUE) {
437 self_start_time = self->ctx->start_time_realtime;
438 ref_start_time = ref->ctx->start_time_realtime;
439 } else if (self->start_time_effective != AV_NOPTS_VALUE && ref->start_time_effective != AV_NOPTS_VALUE) {
440 self_start_time = self->start_time_effective;
441 ref_start_time = ref->start_time_effective;
442 } else {
443 start_times_set = 0;
444 }
445
446 if (start_times_set) {
447 self_seek_start = self->start_time == AV_NOPTS_VALUE ? 0 : self->start_time;
448 ref_seek_start = ref->start_time == AV_NOPTS_VALUE ? 0 : ref->start_time;
449
450 adjustment = (self_start_time - ref_start_time) + !copy_ts*(self_seek_start - ref_seek_start) + ref->input_ts_offset;
451
452 self->ts_offset += adjustment;
453
454 av_log(NULL, AV_LOG_INFO, "Adjusted ts offset for Input #%d by %"PRId64" us to sync with Input #%d.\n", i, adjustment, self->input_sync_ref);
455 } else {
456 av_log(NULL, AV_LOG_INFO, "Unable to identify start times for Inputs #%d and %d both. No sync adjustment made.\n", i, self->input_sync_ref);
457 }
458 }
459
460 8694 return 0;
461 }
462
463 1463 static int opt_filter_threads(void *optctx, const char *opt, const char *arg)
464 {
465 1463 av_free(filter_nbthreads);
466 1463 filter_nbthreads = av_strdup(arg);
467 1463 return 0;
468 }
469
470 static int opt_abort_on(void *optctx, const char *opt, const char *arg)
471 {
472 static const AVOption opts[] = {
473 { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, (double)INT64_MAX, .unit = "flags" },
474 { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" },
475 { "empty_output_stream", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM }, .unit = "flags" },
476 { NULL },
477 };
478 static const AVClass class = {
479 .class_name = "",
480 .item_name = av_default_item_name,
481 .option = opts,
482 .version = LIBAVUTIL_VERSION_INT,
483 };
484 const AVClass *pclass = &class;
485
486 return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags);
487 }
488
489 static int opt_stats_period(void *optctx, const char *opt, const char *arg)
490 {
491 int64_t user_stats_period;
492 int ret = av_parse_time(&user_stats_period, arg, 1);
493 if (ret < 0)
494 return ret;
495
496 if (user_stats_period <= 0) {
497 av_log(NULL, AV_LOG_ERROR, "stats_period %s must be positive.\n", arg);
498 return AVERROR(EINVAL);
499 }
500
501 stats_period = user_stats_period;
502 av_log(NULL, AV_LOG_INFO, "ffmpeg stats and -progress period set to %s.\n", arg);
503
504 return 0;
505 }
506
507 19 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
508 {
509 19 OptionsContext *o = optctx;
510 19 return parse_option(o, "codec:a", arg, options);
511 }
512
513 5537 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
514 {
515 5537 OptionsContext *o = optctx;
516 5537 return parse_option(o, "codec:v", arg, options);
517 }
518
519 2 static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg)
520 {
521 2 OptionsContext *o = optctx;
522 2 return parse_option(o, "codec:s", arg, options);
523 }
524
525 static int opt_data_codec(void *optctx, const char *opt, const char *arg)
526 {
527 OptionsContext *o = optctx;
528 return parse_option(o, "codec:d", arg, options);
529 }
530
531 354 static int opt_map(void *optctx, const char *opt, const char *arg)
532 {
533 354 OptionsContext *o = optctx;
534 354 StreamMap *m = NULL;
535 StreamSpecifier ss;
536 354 int i, negative = 0, file_idx, disabled = 0;
537 354 int ret, allow_unused = 0;
538
539 354 memset(&ss, 0, sizeof(ss));
540
541
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354 if (*arg == '-') {
542 negative = 1;
543 arg++;
544 }
545
546
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354 if (arg[0] == '[') {
547 ViewSpecifier vs;
548 /* this mapping refers to lavfi output */
549 83 const char *c = arg + 1;
550 char *endptr;
551
552 83 ret = GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
553
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83 if (ret < 0)
554 goto fail;
555
556 83 m = &o->stream_maps[o->nb_stream_maps - 1];
557 83 m->linklabel = av_get_token(&c, "]");
558
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83 if (!m->linklabel) {
559 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", arg);
560 ret = AVERROR(EINVAL);
561 goto fail;
562 }
563
564 83 arg++;
565
566 83 m->group_index = -1;
567 83 file_idx = strtol(arg, &endptr, 0);
568
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83 if (file_idx >= nb_input_files || file_idx < 0)
569 81 goto end;
570
571 79 arg = endptr;
572
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79 ret = stream_specifier_parse(&ss, *arg == ':' ? arg + 1 : arg, 1, NULL);
573
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79 if (ret < 0)
574 goto end;
575
576
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79 arg = ss.remainder ? ss.remainder : "";
577 79 ret = view_specifier_parse(&arg, &vs);
578
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79 if (ret < 0 || (*arg && strcmp(arg, "]")))
579 77 goto end;
580
581 2 m->file_index = file_idx;
582 2 m->stream_index = ss.idx;
583
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2 m->group_index = ss.stream_list == STREAM_LIST_GROUP_IDX ? ss.list_id : -1;
584 } else {
585 ViewSpecifier vs;
586 char *endptr;
587
588 271 file_idx = strtol(arg, &endptr, 0);
589
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271 if (file_idx >= nb_input_files || file_idx < 0) {
590 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
591 ret = AVERROR(EINVAL);
592 goto fail;
593 }
594 271 arg = endptr;
595
596
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271 ret = stream_specifier_parse(&ss, *arg == ':' ? arg + 1 : arg, 1, NULL);
597
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271 if (ret < 0) {
598 av_log(NULL, AV_LOG_ERROR, "Invalid stream specifier: %s\n", arg);
599 goto fail;
600 }
601
602
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271 arg = ss.remainder ? ss.remainder : "";
603
604 271 ret = view_specifier_parse(&arg, &vs);
605
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271 if (ret < 0)
606 goto fail;
607
608
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271 if (*arg) {
609 if (!strcmp(arg, "?"))
610 allow_unused = 1;
611 else {
612 av_log(NULL, AV_LOG_ERROR,
613 "Trailing garbage after stream specifier: %s\n", arg);
614 ret = AVERROR(EINVAL);
615 goto fail;
616 }
617 }
618
619
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271 if (negative)
620 /* disable some already defined maps */
621 for (i = 0; i < o->nb_stream_maps; i++) {
622 m = &o->stream_maps[i];
623 if (file_idx == m->file_index &&
624 !m->linklabel &&
625 m->stream_index >= 0 &&
626 m->stream_index < input_files[m->file_index]->nb_streams &&
627 stream_specifier_match(&ss,
628 input_files[m->file_index]->ctx,
629 input_files[m->file_index]->ctx->streams[m->stream_index],
630 NULL))
631 m->disabled = 1;
632 }
633 else
634
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883 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
635
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612 if (!stream_specifier_match(&ss,
636 612 input_files[file_idx]->ctx,
637 612 input_files[file_idx]->ctx->streams[i],
638 NULL))
639 175 continue;
640
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437 if (input_files[file_idx]->streams[i]->user_set_discard == AVDISCARD_ALL) {
641 disabled = 1;
642 continue;
643 }
644 437 ret = GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
645
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437 if (ret < 0)
646 goto fail;
647
648 437 m = &o->stream_maps[o->nb_stream_maps - 1];
649
650 437 m->file_index = file_idx;
651 437 m->stream_index = i;
652
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437 m->group_index = ss.stream_list == STREAM_LIST_GROUP_IDX ? ss.list_id : -1;
653 437 m->vs = vs;
654 }
655 }
656
657
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273 if (!m) {
658 if (allow_unused) {
659 av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg);
660 } else if (disabled) {
661 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches disabled streams.\n"
662 "To ignore this, add a trailing '?' to the map.\n", arg);
663 ret = AVERROR(EINVAL);
664 goto fail;
665 } else {
666 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n"
667 "To ignore this, add a trailing '?' to the map.\n", arg);
668 ret = AVERROR(EINVAL);
669 goto fail;
670 }
671 }
672 273 end:
673 354 ret = 0;
674 354 fail:
675 354 stream_specifier_uninit(&ss);
676 354 return ret;
677 }
678
679 1 static int opt_attach(void *optctx, const char *opt, const char *arg)
680 {
681 1 OptionsContext *o = optctx;
682 1 int ret = GROW_ARRAY(o->attachments, o->nb_attachments);
683
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1 if (ret < 0)
684 return ret;
685
686 1 o->attachments[o->nb_attachments - 1] = av_strdup(arg);
687
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1 if (!o->attachments[o->nb_attachments - 1])
688 return AVERROR(ENOMEM);
689
690 1 return 0;
691 }
692
693 static int opt_sdp_file(void *optctx, const char *opt, const char *arg)
694 {
695 GlobalOptionsContext *go = optctx;
696 return sch_sdp_filename(go->sch, arg);
697 }
698
699 #if CONFIG_VAAPI
700 static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
701 {
702 const char *prefix = "vaapi:";
703 char *tmp;
704 int err;
705 tmp = av_asprintf("%s%s", prefix, arg);
706 if (!tmp)
707 return AVERROR(ENOMEM);
708 err = hw_device_init_from_string(tmp, NULL);
709 av_free(tmp);
710 return err;
711 }
712 #endif
713
714 #if CONFIG_QSV
715 static int opt_qsv_device(void *optctx, const char *opt, const char *arg)
716 {
717 const char *prefix = "qsv=__qsv_device:hw_any,child_device=";
718 int err;
719 char *tmp = av_asprintf("%s%s", prefix, arg);
720
721 if (!tmp)
722 return AVERROR(ENOMEM);
723
724 err = hw_device_init_from_string(tmp, NULL);
725 av_free(tmp);
726
727 return err;
728 }
729 #endif
730
731 static int opt_init_hw_device(void *optctx, const char *opt, const char *arg)
732 {
733 if (!strcmp(arg, "list")) {
734 enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE;
735 printf("Supported hardware device types:\n");
736 while ((type = av_hwdevice_iterate_types(type)) !=
737 AV_HWDEVICE_TYPE_NONE)
738 printf("%s\n", av_hwdevice_get_type_name(type));
739 printf("\n");
740 return AVERROR_EXIT;
741 } else {
742 return hw_device_init_from_string(arg, NULL);
743 }
744 }
745
746 static int opt_filter_hw_device(void *optctx, const char *opt, const char *arg)
747 {
748 if (filter_hw_device) {
749 av_log(NULL, AV_LOG_ERROR, "Only one filter device can be used.\n");
750 return AVERROR(EINVAL);
751 }
752 filter_hw_device = hw_device_get_by_name(arg);
753 if (!filter_hw_device) {
754 av_log(NULL, AV_LOG_ERROR, "Invalid filter device %s.\n", arg);
755 return AVERROR(EINVAL);
756 }
757 return 0;
758 }
759
760 static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg)
761 {
762 OptionsContext *o = optctx;
763 char buf[128];
764 int64_t recording_timestamp;
765 int ret;
766 struct tm time;
767
768 ret = av_parse_time(&recording_timestamp, arg, 0);
769 if (ret < 0)
770 return ret;
771
772 recording_timestamp /= 1e6;
773 time = *gmtime((time_t*)&recording_timestamp);
774 if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time))
775 return -1;
776 parse_option(o, "metadata", buf, options);
777
778 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
779 "tag instead.\n", opt);
780 return 0;
781 }
782
783 13715 int find_codec(void *logctx, const char *name,
784 enum AVMediaType type, int encoder, const AVCodec **pcodec)
785 {
786 const AVCodecDescriptor *desc;
787
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13715 const char *codec_string = encoder ? "encoder" : "decoder";
788 const AVCodec *codec;
789
790 13715 codec = encoder ?
791
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13715 avcodec_find_encoder_by_name(name) :
792 9574 avcodec_find_decoder_by_name(name);
793
794
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13715 if (!codec && (desc = avcodec_descriptor_get_by_name(name))) {
795
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1 codec = encoder ? avcodec_find_encoder(desc->id) :
796 avcodec_find_decoder(desc->id);
797
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1 if (codec)
798 1 av_log(logctx, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n",
799 1 codec_string, codec->name, desc->name);
800 }
801
802
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13715 if (!codec) {
803 av_log(logctx, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
804 return encoder ? AVERROR_ENCODER_NOT_FOUND :
805 AVERROR_DECODER_NOT_FOUND;
806 }
807
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13715 if (codec->type != type && !recast_media) {
808 av_log(logctx, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
809 return AVERROR(EINVAL);
810 }
811
812 13715 *pcodec = codec;
813 13715 return 0;;
814 }
815
816 8576 int assert_file_overwrite(const char *filename)
817 {
818 8576 const char *proto_name = avio_find_protocol_name(filename);
819
820
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8576 if (file_overwrite && no_file_overwrite) {
821 fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n");
822 return AVERROR(EINVAL);
823 }
824
825
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8576 if (!file_overwrite) {
826
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5430 if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) {
827
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1 if (stdin_interaction && !no_file_overwrite) {
828 fprintf(stderr,"File '%s' already exists. Overwrite? [y/N] ", filename);
829 fflush(stderr);
830 term_exit();
831 signal(SIGINT, SIG_DFL);
832 if (!read_yesno()) {
833 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
834 return AVERROR(EEXIST);
835 }
836 term_init();
837 }
838 else {
839 1 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
840 1 return AVERROR(EEXIST);
841 }
842 }
843 }
844
845
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8575 if (proto_name && !strcmp(proto_name, "file")) {
846
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4937 for (int i = 0; i < nb_input_files; i++) {
847 1942 InputFile *file = input_files[i];
848
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1942 if (file->ctx->iformat->flags & AVFMT_NOFILE)
849 105 continue;
850
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1837 if (!strcmp(filename, file->ctx->url)) {
851 av_log(NULL, AV_LOG_FATAL, "Output %s same as Input #%d - exiting\n", filename, i);
852 av_log(NULL, AV_LOG_WARNING, "FFmpeg cannot edit existing files in-place.\n");
853 return AVERROR(EINVAL);
854 }
855 }
856 }
857
858 8575 return 0;
859 }
860
861 /* arg format is "output-stream-index:streamid-value". */
862 67 static int opt_streamid(void *optctx, const char *opt, const char *arg)
863 {
864 67 OptionsContext *o = optctx;
865 char *p;
866 char idx_str[16];
867
868 67 av_strlcpy(idx_str, arg, sizeof(idx_str));
869 67 p = strchr(idx_str, ':');
870
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67 if (!p) {
871 av_log(NULL, AV_LOG_FATAL,
872 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
873 arg, opt);
874 return AVERROR(EINVAL);
875 }
876 67 *p++ = '\0';
877
878 67 return av_dict_set(&o->streamid, idx_str, p, 0);
879 }
880
881 static int opt_target(void *optctx, const char *opt, const char *arg)
882 {
883 OptionsContext *o = optctx;
884 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
885 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
886
887 if (!strncmp(arg, "pal-", 4)) {
888 norm = PAL;
889 arg += 4;
890 } else if (!strncmp(arg, "ntsc-", 5)) {
891 norm = NTSC;
892 arg += 5;
893 } else if (!strncmp(arg, "film-", 5)) {
894 norm = FILM;
895 arg += 5;
896 } else {
897 /* Try to determine PAL/NTSC by peeking in the input files */
898 if (nb_input_files) {
899 int i, j;
900 for (j = 0; j < nb_input_files; j++) {
901 for (i = 0; i < input_files[j]->nb_streams; i++) {
902 AVStream *st = input_files[j]->ctx->streams[i];
903 int64_t fr;
904 if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO)
905 continue;
906 fr = st->time_base.den * 1000LL / st->time_base.num;
907 if (fr == 25000) {
908 norm = PAL;
909 break;
910 } else if ((fr == 29970) || (fr == 23976)) {
911 norm = NTSC;
912 break;
913 }
914 }
915 if (norm != UNKNOWN)
916 break;
917 }
918 }
919 if (norm != UNKNOWN)
920 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
921 }
922
923 if (norm == UNKNOWN) {
924 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
925 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
926 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
927 return AVERROR(EINVAL);
928 }
929
930 if (!strcmp(arg, "vcd")) {
931 opt_video_codec(o, "c:v", "mpeg1video");
932 opt_audio_codec(o, "c:a", "mp2");
933 parse_option(o, "f", "vcd", options);
934
935 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
936 parse_option(o, "r", frame_rates[norm], options);
937 opt_default(NULL, "g", norm == PAL ? "15" : "18");
938
939 opt_default(NULL, "b:v", "1150000");
940 opt_default(NULL, "maxrate:v", "1150000");
941 opt_default(NULL, "minrate:v", "1150000");
942 opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8;
943
944 opt_default(NULL, "b:a", "224000");
945 parse_option(o, "ar", "44100", options);
946 parse_option(o, "ac", "2", options);
947
948 opt_default(NULL, "packetsize", "2324");
949 opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8;
950
951 /* We have to offset the PTS, so that it is consistent with the SCR.
952 SCR starts at 36000, but the first two packs contain only padding
953 and the first pack from the other stream, respectively, may also have
954 been written before.
955 So the real data starts at SCR 36000+3*1200. */
956 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
957 } else if (!strcmp(arg, "svcd")) {
958
959 opt_video_codec(o, "c:v", "mpeg2video");
960 opt_audio_codec(o, "c:a", "mp2");
961 parse_option(o, "f", "svcd", options);
962
963 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
964 parse_option(o, "r", frame_rates[norm], options);
965 parse_option(o, "pix_fmt", "yuv420p", options);
966 opt_default(NULL, "g", norm == PAL ? "15" : "18");
967
968 opt_default(NULL, "b:v", "2040000");
969 opt_default(NULL, "maxrate:v", "2516000");
970 opt_default(NULL, "minrate:v", "0"); // 1145000;
971 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
972 opt_default(NULL, "scan_offset", "1");
973
974 opt_default(NULL, "b:a", "224000");
975 parse_option(o, "ar", "44100", options);
976
977 opt_default(NULL, "packetsize", "2324");
978
979 } else if (!strcmp(arg, "dvd")) {
980
981 opt_video_codec(o, "c:v", "mpeg2video");
982 opt_audio_codec(o, "c:a", "ac3");
983 parse_option(o, "f", "dvd", options);
984
985 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
986 parse_option(o, "r", frame_rates[norm], options);
987 parse_option(o, "pix_fmt", "yuv420p", options);
988 opt_default(NULL, "g", norm == PAL ? "15" : "18");
989
990 opt_default(NULL, "b:v", "6000000");
991 opt_default(NULL, "maxrate:v", "9000000");
992 opt_default(NULL, "minrate:v", "0"); // 1500000;
993 opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8;
994
995 opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
996 opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
997
998 opt_default(NULL, "b:a", "448000");
999 parse_option(o, "ar", "48000", options);
1000
1001 } else if (!strncmp(arg, "dv", 2)) {
1002
1003 parse_option(o, "f", "dv", options);
1004
1005 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
1006 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
1007 norm == PAL ? "yuv420p" : "yuv411p", options);
1008 parse_option(o, "r", frame_rates[norm], options);
1009
1010 parse_option(o, "ar", "48000", options);
1011 parse_option(o, "ac", "2", options);
1012
1013 } else {
1014 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
1015 return AVERROR(EINVAL);
1016 }
1017
1018 av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE);
1019 av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE);
1020
1021 return 0;
1022 }
1023
1024 static int opt_vstats_file(void *optctx, const char *opt, const char *arg)
1025 {
1026 av_free (vstats_filename);
1027 vstats_filename = av_strdup (arg);
1028 return 0;
1029 }
1030
1031 static int opt_vstats(void *optctx, const char *opt, const char *arg)
1032 {
1033 char filename[40];
1034 time_t today2 = time(NULL);
1035 struct tm *today = localtime(&today2);
1036
1037 if (!today) { // maybe tomorrow
1038 av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno));
1039 return AVERROR(errno);
1040 }
1041
1042 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
1043 today->tm_sec);
1044 return opt_vstats_file(NULL, opt, filename);
1045 }
1046
1047 static int opt_video_frames(void *optctx, const char *opt, const char *arg)
1048 {
1049 OptionsContext *o = optctx;
1050 return parse_option(o, "frames:v", arg, options);
1051 }
1052
1053 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
1054 {
1055 OptionsContext *o = optctx;
1056 return parse_option(o, "frames:a", arg, options);
1057 }
1058
1059 static int opt_data_frames(void *optctx, const char *opt, const char *arg)
1060 {
1061 OptionsContext *o = optctx;
1062 return parse_option(o, "frames:d", arg, options);
1063 }
1064
1065 static int opt_default_new(OptionsContext *o, const char *opt, const char *arg)
1066 {
1067 int ret;
1068 AVDictionary *cbak = codec_opts;
1069 AVDictionary *fbak = format_opts;
1070 codec_opts = NULL;
1071 format_opts = NULL;
1072
1073 ret = opt_default(NULL, opt, arg);
1074
1075 av_dict_copy(&o->g->codec_opts , codec_opts, 0);
1076 av_dict_copy(&o->g->format_opts, format_opts, 0);
1077 av_dict_free(&codec_opts);
1078 av_dict_free(&format_opts);
1079 codec_opts = cbak;
1080 format_opts = fbak;
1081
1082 return ret;
1083 }
1084
1085 static int opt_preset(void *optctx, const char *opt, const char *arg)
1086 {
1087 OptionsContext *o = optctx;
1088 FILE *f=NULL;
1089 char filename[1000], line[1000], tmp_line[1000];
1090 const char *codec_name = NULL;
1091 int ret = 0;
1092 int depth = o->depth;
1093
1094 if (depth > 2) {
1095 av_log(NULL, AV_LOG_ERROR, "too deep recursion\n");
1096 return AVERROR(EINVAL);
1097 }
1098
1099 codec_name = opt_match_per_type_str(&o->codec_names, *opt);
1100
1101 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
1102 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
1103 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
1104 }else
1105 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
1106 return AVERROR(ENOENT);
1107 }
1108
1109 o->depth ++;
1110 while (fgets(line, sizeof(line), f)) {
1111 char *key = tmp_line, *value, *endptr;
1112
1113 if (strcspn(line, "#\n\r") == 0)
1114 continue;
1115 av_strlcpy(tmp_line, line, sizeof(tmp_line));
1116 if (!av_strtok(key, "=", &value) ||
1117 !av_strtok(value, "\r\n", &endptr)) {
1118 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
1119 ret = AVERROR(EINVAL);
1120 goto fail;
1121 }
1122 av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
1123
1124 if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
1125 else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
1126 else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
1127 else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
1128 else if ((parse_option(o, key, value, options) < 0) &&
1129 (opt_default_new(o, key, value) < 0)) {
1130 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
1131 filename, line, key, value);
1132 ret = AVERROR(EINVAL);
1133 goto fail;
1134 }
1135 }
1136
1137 fail:
1138 o->depth = depth;
1139 fclose(f);
1140
1141 return ret;
1142 }
1143
1144 static int opt_old2new(void *optctx, const char *opt, const char *arg)
1145 {
1146 OptionsContext *o = optctx;
1147 int ret;
1148 char *s = av_asprintf("%s:%c", opt + 1, *opt);
1149 if (!s)
1150 return AVERROR(ENOMEM);
1151 ret = parse_option(o, s, arg, options);
1152 av_free(s);
1153 return ret;
1154 }
1155
1156 178 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
1157 {
1158 178 OptionsContext *o = optctx;
1159
1160
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178 if(!strcmp(opt, "ab")){
1161 3 av_dict_set(&o->g->codec_opts, "b:a", arg, 0);
1162 3 return 0;
1163
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175 } else if(!strcmp(opt, "b")){
1164 43 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
1165 43 av_dict_set(&o->g->codec_opts, "b:v", arg, 0);
1166 43 return 0;
1167 }
1168 132 av_dict_set(&o->g->codec_opts, opt, arg, 0);
1169 132 return 0;
1170 }
1171
1172 295 static int opt_qscale(void *optctx, const char *opt, const char *arg)
1173 {
1174 295 OptionsContext *o = optctx;
1175 char *s;
1176 int ret;
1177
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295 if(!strcmp(opt, "qscale")){
1178 253 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
1179 253 return parse_option(o, "q:v", arg, options);
1180 }
1181 42 s = av_asprintf("q%s", opt + 6);
1182
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42 if (!s)
1183 return AVERROR(ENOMEM);
1184 42 ret = parse_option(o, s, arg, options);
1185 42 av_free(s);
1186 42 return ret;
1187 }
1188
1189 45 static int opt_profile(void *optctx, const char *opt, const char *arg)
1190 {
1191 45 OptionsContext *o = optctx;
1192
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45 if(!strcmp(opt, "profile")){
1193 5 av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
1194 5 av_dict_set(&o->g->codec_opts, "profile:v", arg, 0);
1195 5 return 0;
1196 }
1197 40 av_dict_set(&o->g->codec_opts, opt, arg, 0);
1198 40 return 0;
1199 }
1200
1201 3338 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
1202 {
1203 3338 OptionsContext *o = optctx;
1204 3338 return parse_option(o, "filter:v", arg, options);
1205 }
1206
1207 589 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
1208 {
1209 589 OptionsContext *o = optctx;
1210 589 return parse_option(o, "filter:a", arg, options);
1211 }
1212
1213 15 static int opt_timecode(void *optctx, const char *opt, const char *arg)
1214 {
1215 15 OptionsContext *o = optctx;
1216 int ret;
1217 15 char *tcr = av_asprintf("timecode=%s", arg);
1218
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15 if (!tcr)
1219 return AVERROR(ENOMEM);
1220 15 ret = parse_option(o, "metadata:g", tcr, options);
1221
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15 if (ret >= 0)
1222 15 ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0);
1223 15 av_free(tcr);
1224 15 return ret;
1225 }
1226
1227 static int opt_audio_qscale(void *optctx, const char *opt, const char *arg)
1228 {
1229 OptionsContext *o = optctx;
1230 return parse_option(o, "q:a", arg, options);
1231 }
1232
1233 1266 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
1234 {
1235 1266 GlobalOptionsContext *go = optctx;
1236 char *graph_desc;
1237 int ret;
1238
1239 1266 graph_desc = av_strdup(arg);
1240
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1266 if (!graph_desc)
1241 return AVERROR(ENOMEM);
1242
1243 1266 ret = GROW_ARRAY(go->filtergraphs, go->nb_filtergraphs);
1244
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1266 if (ret < 0) {
1245 av_freep(&graph_desc);
1246 return ret;
1247 }
1248 1266 go->filtergraphs[go->nb_filtergraphs - 1] = graph_desc;
1249
1250 1266 return 0;
1251 }
1252
1253 void show_help_default(const char *opt, const char *arg)
1254 {
1255 int show_advanced = 0, show_avoptions = 0;
1256
1257 if (opt && *opt) {
1258 if (!strcmp(opt, "long"))
1259 show_advanced = 1;
1260 else if (!strcmp(opt, "full"))
1261 show_advanced = show_avoptions = 1;
1262 else
1263 av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt);
1264 }
1265
1266 show_usage();
1267
1268 printf("Getting help:\n"
1269 " -h -- print basic options\n"
1270 " -h long -- print more options\n"
1271 " -h full -- print all options (including all format and codec specific options, very long)\n"
1272 " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol\n"
1273 " See man %s for detailed description of the options.\n"
1274 "\n"
1275 "Per-stream options can be followed by :<stream_spec> to apply that option to specific streams only. "
1276 "<stream_spec> can be a stream index, or v/a/s for video/audio/subtitle (see manual for full syntax).\n"
1277 "\n", program_name);
1278
1279 show_help_options(options, "Print help / information / capabilities:",
1280 OPT_EXIT, OPT_EXPERT);
1281 if (show_advanced)
1282 show_help_options(options, "Advanced information / capabilities:",
1283 OPT_EXIT | OPT_EXPERT, 0);
1284
1285 show_help_options(options, "Global options (affect whole program "
1286 "instead of just one file):",
1287 0, OPT_PERFILE | OPT_EXIT | OPT_EXPERT);
1288 if (show_advanced)
1289 show_help_options(options, "Advanced global options:", OPT_EXPERT,
1290 OPT_PERFILE | OPT_EXIT);
1291
1292 show_help_options(options, "Per-file options (input and output):",
1293 OPT_PERFILE | OPT_INPUT | OPT_OUTPUT,
1294 OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_EXPERT |
1295 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1296 if (show_advanced)
1297 show_help_options(options, "Advanced per-file options (input and output):",
1298 OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_EXPERT,
1299 OPT_EXIT | OPT_FLAG_PERSTREAM |
1300 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1301
1302 show_help_options(options, "Per-file options (input-only):",
1303 OPT_PERFILE | OPT_INPUT,
1304 OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_OUTPUT | OPT_EXPERT |
1305 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1306 if (show_advanced)
1307 show_help_options(options, "Advanced per-file options (input-only):",
1308 OPT_PERFILE | OPT_INPUT | OPT_EXPERT,
1309 OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_OUTPUT |
1310 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1311
1312 show_help_options(options, "Per-file options (output-only):",
1313 OPT_PERFILE | OPT_OUTPUT,
1314 OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_INPUT | OPT_EXPERT |
1315 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1316 if (show_advanced)
1317 show_help_options(options, "Advanced per-file options (output-only):",
1318 OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT,
1319 OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_INPUT |
1320 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1321
1322 show_help_options(options, "Per-stream options:",
1323 OPT_FLAG_PERSTREAM,
1324 OPT_EXIT | OPT_EXPERT |
1325 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1326 if (show_advanced)
1327 show_help_options(options, "Advanced per-stream options:",
1328 OPT_FLAG_PERSTREAM | OPT_EXPERT,
1329 OPT_EXIT |
1330 OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1331
1332 show_help_options(options, "Video options:",
1333 OPT_VIDEO, OPT_EXPERT | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1334 if (show_advanced)
1335 show_help_options(options, "Advanced Video options:",
1336 OPT_EXPERT | OPT_VIDEO, OPT_AUDIO | OPT_SUBTITLE | OPT_DATA);
1337
1338 show_help_options(options, "Audio options:",
1339 OPT_AUDIO, OPT_EXPERT | OPT_VIDEO | OPT_SUBTITLE | OPT_DATA);
1340 if (show_advanced)
1341 show_help_options(options, "Advanced Audio options:",
1342 OPT_EXPERT | OPT_AUDIO, OPT_VIDEO | OPT_SUBTITLE | OPT_DATA);
1343
1344 show_help_options(options, "Subtitle options:",
1345 OPT_SUBTITLE, OPT_EXPERT | OPT_VIDEO | OPT_AUDIO | OPT_DATA);
1346 if (show_advanced)
1347 show_help_options(options, "Advanced Subtitle options:",
1348 OPT_EXPERT | OPT_SUBTITLE, OPT_VIDEO | OPT_AUDIO | OPT_DATA);
1349
1350 if (show_advanced)
1351 show_help_options(options, "Data stream options:",
1352 OPT_DATA, OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE);
1353 printf("\n");
1354
1355 if (show_avoptions) {
1356 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
1357 show_help_children(avcodec_get_class(), flags);
1358 show_help_children(avformat_get_class(), flags);
1359 #if CONFIG_SWSCALE
1360 show_help_children(sws_get_class(), flags);
1361 #endif
1362 #if CONFIG_SWRESAMPLE
1363 show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
1364 #endif
1365 show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM);
1366 show_help_children(av_bsf_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_BSF_PARAM);
1367 }
1368 }
1369
1370 void show_usage(void)
1371 {
1372 av_log(NULL, AV_LOG_INFO, "Universal media converter\n");
1373 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
1374 av_log(NULL, AV_LOG_INFO, "\n");
1375 }
1376
1377 enum OptGroup {
1378 GROUP_OUTFILE,
1379 GROUP_INFILE,
1380 GROUP_DECODER,
1381 };
1382
1383 static const OptionGroupDef groups[] = {
1384 [GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT },
1385 [GROUP_INFILE] = { "input url", "i", OPT_INPUT },
1386 [GROUP_DECODER] = { "loopback decoder", "dec", OPT_DECODER },
1387 };
1388
1389 26094 static int open_files(OptionGroupList *l, const char *inout, Scheduler *sch,
1390 int (*open_file)(const OptionsContext*, const char*,
1391 Scheduler*))
1392 {
1393 int i, ret;
1394
1395
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42397 for (i = 0; i < l->nb_groups; i++) {
1396 16310 OptionGroup *g = &l->groups[i];
1397 OptionsContext o;
1398
1399 16310 init_options(&o);
1400 16310 o.g = g;
1401
1402 16310 ret = parse_optgroup(&o, g, options);
1403
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16310 if (ret < 0) {
1404 av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file "
1405 "%s.\n", inout, g->arg);
1406 uninit_options(&o);
1407 7 return ret;
1408 }
1409
1410 16310 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
1411 16310 ret = open_file(&o, g->arg, sch);
1412 16310 uninit_options(&o);
1413
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16310 if (ret < 0) {
1414 7 av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n",
1415 inout, g->arg);
1416 7 return ret;
1417 }
1418 16303 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
1419 }
1420
1421 26087 return 0;
1422 }
1423
1424 8703 int ffmpeg_parse_options(int argc, char **argv, Scheduler *sch)
1425 {
1426 8703 GlobalOptionsContext go = { .sch = sch };
1427 OptionParseContext octx;
1428 8703 const char *errmsg = NULL;
1429 int ret;
1430
1431 8703 memset(&octx, 0, sizeof(octx));
1432
1433 /* split the commandline into an internal representation */
1434 8703 ret = split_commandline(&octx, argc, argv, options, groups,
1435 FF_ARRAY_ELEMS(groups));
1436
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8703 if (ret < 0) {
1437 errmsg = "splitting the argument list";
1438 goto fail;
1439 }
1440
1441 /* apply global options */
1442 8703 ret = parse_optgroup(&go, &octx.global_opts, options);
1443
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8703 if (ret < 0) {
1444 2 errmsg = "parsing global options";
1445 2 goto fail;
1446 }
1447
1448 /* configure terminal and setup signal handlers */
1449 8701 term_init();
1450
1451 /* create complex filtergraphs */
1452
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9967 for (int i = 0; i < go.nb_filtergraphs; i++) {
1453 1266 ret = fg_create(NULL, &go.filtergraphs[i], sch, NULL);
1454 1266 go.filtergraphs[i] = NULL;
1455
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1266 if (ret < 0)
1456 goto fail;
1457 }
1458
1459 /* open input files */
1460 8701 ret = open_files(&octx.groups[GROUP_INFILE], "input", sch, ifile_open);
1461
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8701 if (ret < 0) {
1462 2 errmsg = "opening input files";
1463 2 goto fail;
1464 }
1465
1466 /* open output files */
1467 8699 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", sch, of_open);
1468
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8699 if (ret < 0) {
1469 5 errmsg = "opening output files";
1470 5 goto fail;
1471 }
1472
1473 /* create loopback decoders */
1474 8694 ret = open_files(&octx.groups[GROUP_DECODER], "decoder", sch, dec_create);
1475
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8694 if (ret < 0) {
1476 errmsg = "creating loopback decoders";
1477 goto fail;
1478 }
1479
1480 // bind unbound filtegraph inputs/outputs and check consistency
1481 8694 ret = fg_finalise_bindings();
1482
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8694 if (ret < 0) {
1483 errmsg = "binding filtergraph inputs/outputs";
1484 goto fail;
1485 }
1486
1487 8694 correct_input_start_times();
1488
1489 8694 ret = apply_sync_offsets();
1490
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8694 if (ret < 0)
1491 goto fail;
1492
1493 8694 fail:
1494
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9969 for (int i = 0; i < go.nb_filtergraphs; i++)
1495 1266 av_freep(&go.filtergraphs[i]);
1496 8703 av_freep(&go.filtergraphs);
1497
1498 8703 uninit_parse_context(&octx);
1499
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8703 if (ret < 0 && ret != AVERROR_EXIT) {
1500
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7 av_log(NULL, AV_LOG_FATAL, "Error %s: %s\n",
1501 7 errmsg ? errmsg : "", av_err2str(ret));
1502 }
1503 8703 return ret;
1504 }
1505
1506 static int opt_progress(void *optctx, const char *opt, const char *arg)
1507 {
1508 AVIOContext *avio = NULL;
1509 int ret;
1510
1511 if (!strcmp(arg, "-"))
1512 arg = "pipe:";
1513 ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
1514 if (ret < 0) {
1515 av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
1516 arg, av_err2str(ret));
1517 return ret;
1518 }
1519 progress_avio = avio;
1520 return 0;
1521 }
1522
1523 int opt_timelimit(void *optctx, const char *opt, const char *arg)
1524 {
1525 #if HAVE_SETRLIMIT
1526 int ret;
1527 double lim;
1528 struct rlimit rl;
1529
1530 ret = parse_number(opt, arg, OPT_TYPE_INT64, 0, INT_MAX, &lim);
1531 if (ret < 0)
1532 return ret;
1533
1534 rl = (struct rlimit){ lim, lim + 1 };
1535 if (setrlimit(RLIMIT_CPU, &rl))
1536 perror("setrlimit");
1537 #else
1538 av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt);
1539 #endif
1540 return 0;
1541 }
1542
1543 static const char *const alt_channel_layout[] = { "ch_layout", NULL};
1544 static const char *const alt_codec[] = { "c", "acodec", "vcodec", "scodec", "dcodec", NULL };
1545 static const char *const alt_filter[] = { "af", "vf", NULL };
1546 static const char *const alt_frames[] = { "aframes", "vframes", "dframes", NULL };
1547 static const char *const alt_pre[] = { "apre", "vpre", "spre", NULL};
1548 static const char *const alt_qscale[] = { "q", NULL};
1549 static const char *const alt_tag[] = { "atag", "vtag", "stag", NULL };
1550
1551 #define OFFSET(x) offsetof(OptionsContext, x)
1552 const OptionDef options[] = {
1553 /* main options */
1554 CMDUTILS_COMMON_OPTIONS
1555 { "f", OPT_TYPE_STRING, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
1556 { .off = OFFSET(format) },
1557 "force container format (auto-detected otherwise)", "fmt" },
1558 { "y", OPT_TYPE_BOOL, 0,
1559 { &file_overwrite },
1560 "overwrite output files" },
1561 { "n", OPT_TYPE_BOOL, 0,
1562 { &no_file_overwrite },
1563 "never overwrite output files" },
1564 { "ignore_unknown", OPT_TYPE_BOOL, OPT_EXPERT,
1565 { &ignore_unknown_streams },
1566 "Ignore unknown stream types" },
1567 { "copy_unknown", OPT_TYPE_BOOL, OPT_EXPERT,
1568 { &copy_unknown_streams },
1569 "Copy unknown stream types" },
1570 { "recast_media", OPT_TYPE_BOOL, OPT_EXPERT,
1571 { &recast_media },
1572 "allow recasting stream type in order to force a decoder of different media type" },
1573 { "c", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_DECODER | OPT_HAS_CANON,
1574 { .off = OFFSET(codec_names) },
1575 "select encoder/decoder ('copy' to copy stream without reencoding)", "codec",
1576 .u1.name_canon = "codec", },
1577 { "codec", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_DECODER | OPT_EXPERT | OPT_HAS_ALT,
1578 { .off = OFFSET(codec_names) },
1579 "alias for -c (select encoder/decoder)", "codec",
1580 .u1.names_alt = alt_codec, },
1581 { "pre", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_ALT,
1582 { .off = OFFSET(presets) },
1583 "preset name", "preset",
1584 .u1.names_alt = alt_pre, },
1585 { "map", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT,
1586 { .func_arg = opt_map },
1587 "set input stream mapping",
1588 "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
1589 { "map_metadata", OPT_TYPE_STRING, OPT_SPEC | OPT_OUTPUT | OPT_EXPERT,
1590 { .off = OFFSET(metadata_map) },
1591 "set metadata information of outfile from infile",
1592 "outfile[,metadata]:infile[,metadata]" },
1593 { "map_chapters", OPT_TYPE_INT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT,
1594 { .off = OFFSET(chapters_input_file) },
1595 "set chapters mapping", "input_file_index" },
1596 { "t", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
1597 { .off = OFFSET(recording_time) },
1598 "stop transcoding after specified duration",
1599 "duration" },
1600 { "to", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
1601 { .off = OFFSET(stop_time) },
1602 "stop transcoding after specified time is reached",
1603 "time_stop" },
1604 { "fs", OPT_TYPE_INT64, OPT_OFFSET | OPT_OUTPUT | OPT_EXPERT,
1605 { .off = OFFSET(limit_filesize) },
1606 "set the limit file size in bytes", "limit_size" },
1607 { "ss", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
1608 { .off = OFFSET(start_time) },
1609 "start transcoding at specified time", "time_off" },
1610 { "sseof", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_EXPERT,
1611 { .off = OFFSET(start_time_eof) },
1612 "set the start time offset relative to EOF", "time_off" },
1613 { "seek_timestamp", OPT_TYPE_INT, OPT_OFFSET | OPT_INPUT | OPT_EXPERT,
1614 { .off = OFFSET(seek_timestamp) },
1615 "enable/disable seeking by timestamp with -ss" },
1616 { "accurate_seek", OPT_TYPE_BOOL, OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
1617 { .off = OFFSET(accurate_seek) },
1618 "enable/disable accurate seeking with -ss" },
1619 { "isync", OPT_TYPE_INT, OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
1620 { .off = OFFSET(input_sync_ref) },
1621 "Indicate the input index for sync reference", "sync ref" },
1622 { "itsoffset", OPT_TYPE_TIME, OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
1623 { .off = OFFSET(input_ts_offset) },
1624 "set the input ts offset", "time_off" },
1625 { "itsscale", OPT_TYPE_DOUBLE, OPT_PERSTREAM | OPT_EXPERT | OPT_INPUT,
1626 { .off = OFFSET(ts_scale) },
1627 "set the input ts scale", "scale" },
1628 { "timestamp", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT,
1629 { .func_arg = opt_recording_timestamp },
1630 "set the recording timestamp ('now' to set the current time)", "time" },
1631 { "metadata", OPT_TYPE_STRING, OPT_SPEC | OPT_OUTPUT,
1632 { .off = OFFSET(metadata) },
1633 "add metadata", "key=value" },
1634 { "keep_metadata", OPT_TYPE_STRING, OPT_SPEC | OPT_OUTPUT,
1635 { .off = OFFSET(keep_metadata) },
1636 "keep metadata key from input when re-encoding", "key" },
1637 { "program", OPT_TYPE_STRING, OPT_SPEC | OPT_EXPERT | OPT_OUTPUT,
1638 { .off = OFFSET(program) },
1639 "add program with specified streams", "title=string:st=number..." },
1640 { "stream_group", OPT_TYPE_STRING, OPT_SPEC | OPT_OUTPUT | OPT_EXPERT,
1641 { .off = OFFSET(stream_groups) },
1642 "add stream group with specified streams and group type-specific arguments", "id=number:st=number..." },
1643 { "dframes", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT | OPT_HAS_CANON,
1644 { .func_arg = opt_data_frames },
1645 "set the number of data frames to output", "number",
1646 .u1.name_canon = "frames" },
1647 { "benchmark", OPT_TYPE_BOOL, OPT_EXPERT,
1648 { &do_benchmark },
1649 "add timings for benchmarking" },
1650 { "benchmark_all", OPT_TYPE_BOOL, OPT_EXPERT,
1651 { &do_benchmark_all },
1652 "add timings for each task" },
1653 { "progress", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
1654 { .func_arg = opt_progress },
1655 "write program-readable progress information", "url" },
1656 { "stdin", OPT_TYPE_BOOL, OPT_EXPERT,
1657 { &stdin_interaction },
1658 "enable or disable interaction on standard input" },
1659 { "timelimit", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
1660 { .func_arg = opt_timelimit },
1661 "set max runtime in seconds in CPU user time", "limit" },
1662 { "dump", OPT_TYPE_BOOL, OPT_EXPERT,
1663 { &do_pkt_dump },
1664 "dump each input packet" },
1665 { "hex", OPT_TYPE_BOOL, OPT_EXPERT,
1666 { &do_hex_dump },
1667 "when dumping packets, also dump the payload" },
1668 { "re", OPT_TYPE_BOOL, OPT_EXPERT | OPT_OFFSET | OPT_INPUT,
1669 { .off = OFFSET(rate_emu) },
1670 "read input at native frame rate; equivalent to -readrate 1", "" },
1671 { "readrate", OPT_TYPE_FLOAT, OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
1672 { .off = OFFSET(readrate) },
1673 "read input at specified rate", "speed" },
1674 { "readrate_initial_burst", OPT_TYPE_DOUBLE, OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
1675 { .off = OFFSET(readrate_initial_burst) },
1676 "The initial amount of input to burst read before imposing any readrate", "seconds" },
1677 { "readrate_catchup", OPT_TYPE_FLOAT, OPT_OFFSET | OPT_EXPERT | OPT_INPUT,
1678 { .off = OFFSET(readrate_catchup) },
1679 "Temporary readrate used to catch up if an input lags behind the specified readrate", "speed" },
1680 { "target", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT,
1681 { .func_arg = opt_target },
1682 "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" "
1683 "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" },
1684 { "frame_drop_threshold", OPT_TYPE_FLOAT, OPT_EXPERT,
1685 { &frame_drop_threshold },
1686 "frame drop threshold", "" },
1687 { "copyts", OPT_TYPE_BOOL, OPT_EXPERT,
1688 { &copy_ts },
1689 "copy timestamps" },
1690 { "start_at_zero", OPT_TYPE_BOOL, OPT_EXPERT,
1691 { &start_at_zero },
1692 "shift input timestamps to start at 0 when using copyts" },
1693 { "copytb", OPT_TYPE_INT, OPT_EXPERT,
1694 { &copy_tb },
1695 "copy input stream time base when stream copying", "mode" },
1696 { "shortest", OPT_TYPE_BOOL, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT,
1697 { .off = OFFSET(shortest) },
1698 "finish encoding within shortest input" },
1699 { "shortest_buf_duration", OPT_TYPE_FLOAT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT,
1700 { .off = OFFSET(shortest_buf_duration) },
1701 "maximum buffering duration (in seconds) for the -shortest option" },
1702 { "bitexact", OPT_TYPE_BOOL, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT | OPT_INPUT,
1703 { .off = OFFSET(bitexact) },
1704 "bitexact mode" },
1705 { "dts_delta_threshold", OPT_TYPE_FLOAT, OPT_EXPERT,
1706 { &dts_delta_threshold },
1707 "timestamp discontinuity delta threshold", "threshold" },
1708 { "dts_error_threshold", OPT_TYPE_FLOAT, OPT_EXPERT,
1709 { &dts_error_threshold },
1710 "timestamp error delta threshold", "threshold" },
1711 { "xerror", OPT_TYPE_BOOL, OPT_EXPERT,
1712 { &exit_on_error },
1713 "exit on error", "error" },
1714 { "abort_on", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
1715 { .func_arg = opt_abort_on },
1716 "abort on the specified condition flags", "flags" },
1717 { "copyinkf", OPT_TYPE_BOOL, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1718 { .off = OFFSET(copy_initial_nonkeyframes) },
1719 "copy initial non-keyframes" },
1720 { "copypriorss", OPT_TYPE_INT, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1721 { .off = OFFSET(copy_prior_start) },
1722 "copy or discard frames before start time" },
1723 { "frames", OPT_TYPE_INT64, OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_ALT,
1724 { .off = OFFSET(max_frames) },
1725 "set the number of frames to output", "number",
1726 .u1.names_alt = alt_frames, },
1727 { "tag", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT | OPT_INPUT | OPT_HAS_ALT,
1728 { .off = OFFSET(codec_tags) },
1729 "force codec tag/fourcc", "fourcc/tag",
1730 .u1.names_alt = alt_tag, },
1731 { "q", OPT_TYPE_DOUBLE, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT | OPT_HAS_CANON,
1732 { .off = OFFSET(qscale) },
1733 "use fixed quality scale (VBR)", "q",
1734 .u1.name_canon = "qscale", },
1735 { "qscale", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_ALT,
1736 { .func_arg = opt_qscale },
1737 "use fixed quality scale (VBR)", "q",
1738 .u1.names_alt = alt_qscale, },
1739 { "profile", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT,
1740 { .func_arg = opt_profile },
1741 "set profile", "profile" },
1742 { "filter", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_OUTPUT | OPT_HAS_ALT,
1743 { .off = OFFSET(filters) },
1744 "apply specified filters to audio/video", "filter_graph",
1745 .u1.names_alt = alt_filter, },
1746 { "filter_threads", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
1747 { .func_arg = opt_filter_threads },
1748 "number of non-complex filter threads" },
1749 { "filter_buffered_frames", OPT_TYPE_INT, OPT_EXPERT,
1750 { &filter_buffered_frames },
1751 "maximum number of buffered frames in a filter graph" },
1752 { "reinit_filter", OPT_TYPE_INT, OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1753 { .off = OFFSET(reinit_filters) },
1754 "reinit filtergraph on input parameter changes", "" },
1755 { "drop_changed", OPT_TYPE_INT, OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1756 { .off = OFFSET(drop_changed) },
1757 "drop frame instead of reiniting filtergraph on input parameter changes", "" },
1758 { "filter_complex", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
1759 { .func_arg = opt_filter_complex },
1760 "create a complex filtergraph", "graph_description" },
1761 { "filter_complex_threads", OPT_TYPE_INT, OPT_EXPERT,
1762 { &filter_complex_nbthreads },
1763 "number of threads for -filter_complex" },
1764 { "lavfi", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
1765 { .func_arg = opt_filter_complex },
1766 "create a complex filtergraph", "graph_description" },
1767 { "print_graphs", OPT_TYPE_BOOL, 0,
1768 { &print_graphs },
1769 "print execution graph data to stderr" },
1770 { "print_graphs_file", OPT_TYPE_STRING, 0,
1771 { &print_graphs_file },
1772 "write execution graph data to the specified file", "filename" },
1773 { "print_graphs_format", OPT_TYPE_STRING, 0,
1774 { &print_graphs_format },
1775 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml, mermaid, mermaidhtml)", "format" },
1776 { "auto_conversion_filters", OPT_TYPE_BOOL, OPT_EXPERT,
1777 { &auto_conversion_filters },
1778 "enable automatic conversion filters globally" },
1779 { "stats", OPT_TYPE_BOOL, 0,
1780 { &print_stats },
1781 "print progress report during encoding", },
1782 { "stats_period", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
1783 { .func_arg = opt_stats_period },
1784 "set the period at which ffmpeg updates stats and -progress output", "time" },
1785 { "attach", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT,
1786 { .func_arg = opt_attach },
1787 "add an attachment to the output file", "filename" },
1788 { "dump_attachment", OPT_TYPE_STRING, OPT_SPEC | OPT_EXPERT | OPT_INPUT,
1789 { .off = OFFSET(dump_attachment) },
1790 "extract an attachment into a file", "filename" },
1791 { "stream_loop", OPT_TYPE_INT, OPT_EXPERT | OPT_INPUT | OPT_OFFSET,
1792 { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" },
1793 { "debug_ts", OPT_TYPE_BOOL, OPT_EXPERT,
1794 { &debug_ts },
1795 "print timestamp debugging info" },
1796 { "max_error_rate", OPT_TYPE_FLOAT, OPT_EXPERT,
1797 { &max_error_rate },
1798 "ratio of decoding errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.", "maximum error rate" },
1799 { "discard", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1800 { .off = OFFSET(discard) },
1801 "discard", "" },
1802 { "disposition", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT,
1803 { .off = OFFSET(disposition) },
1804 "disposition", "" },
1805 { "thread_queue_size", OPT_TYPE_INT, OPT_OFFSET | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT,
1806 { .off = OFFSET(thread_queue_size) },
1807 "set the maximum number of queued packets from the demuxer" },
1808 { "find_stream_info", OPT_TYPE_BOOL, OPT_INPUT | OPT_EXPERT | OPT_OFFSET,
1809 { .off = OFFSET(find_stream_info) },
1810 "read and decode the streams to fill missing information with heuristics" },
1811 { "bits_per_raw_sample", OPT_TYPE_INT, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1812 { .off = OFFSET(bits_per_raw_sample) },
1813 "set the number of bits per raw sample", "number" },
1814
1815 { "stats_enc_pre", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1816 { .off = OFFSET(enc_stats_pre) },
1817 "write encoding stats before encoding" },
1818 { "stats_enc_post", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1819 { .off = OFFSET(enc_stats_post) },
1820 "write encoding stats after encoding" },
1821 { "stats_mux_pre", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1822 { .off = OFFSET(mux_stats) },
1823 "write packets stats before muxing" },
1824 { "stats_enc_pre_fmt", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1825 { .off = OFFSET(enc_stats_pre_fmt) },
1826 "format of the stats written with -stats_enc_pre" },
1827 { "stats_enc_post_fmt", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1828 { .off = OFFSET(enc_stats_post_fmt) },
1829 "format of the stats written with -stats_enc_post" },
1830 { "stats_mux_pre_fmt", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1831 { .off = OFFSET(mux_stats_fmt) },
1832 "format of the stats written with -stats_mux_pre" },
1833
1834 { "reinit_opts", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1835 { .off = OFFSET(enc_reinit_opts) },
1836 "List of encoder options to use to reinitialize the encoder at given timestamps",
1837 "pts1|video_size=size:g=12,pts2|video_size=size..." },
1838
1839 /* video options */
1840 { "vframes", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_CANON,
1841 { .func_arg = opt_video_frames },
1842 "set the number of video frames to output", "number",
1843 .u1.name_canon = "frames", },
1844 { "r", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT,
1845 { .off = OFFSET(frame_rates) },
1846 "override input framerate/convert to given output framerate (Hz value, fraction or abbreviation)", "rate" },
1847 { "fpsmax", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT,
1848 { .off = OFFSET(max_frame_rates) },
1849 "set max frame rate (Hz value, fraction or abbreviation)", "rate" },
1850 { "s", OPT_TYPE_STRING, OPT_VIDEO | OPT_SUBTITLE | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT,
1851 { .off = OFFSET(frame_sizes) },
1852 "set frame size (WxH or abbreviation)", "size" },
1853 { "aspect", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_OUTPUT,
1854 { .off = OFFSET(frame_aspect_ratios) },
1855 "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
1856 { "pix_fmt", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT,
1857 { .off = OFFSET(frame_pix_fmts) },
1858 "set pixel format", "format" },
1859 { "display_rotation", OPT_TYPE_DOUBLE, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1860 { .off = OFFSET(display_rotations) },
1861 "set pure counter-clockwise rotation in degrees for stream(s)",
1862 "angle" },
1863 { "display_hflip", OPT_TYPE_BOOL, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1864 { .off = OFFSET(display_hflips) },
1865 "set display horizontal flip for stream(s) "
1866 "(overrides any display rotation if it is not set)"},
1867 { "display_vflip", OPT_TYPE_BOOL, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1868 { .off = OFFSET(display_vflips) },
1869 "set display vertical flip for stream(s) "
1870 "(overrides any display rotation if it is not set)"},
1871 { "mastering_display", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1872 { .off = OFFSET(mastering_displays) },
1873 "set SMPTE2084 mastering display color volume info" },
1874 { "content_light", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
1875 { .off = OFFSET(content_lights) },
1876 "set SMPTE2084 Max CLL and Max FALL values" },
1877 { "vn", OPT_TYPE_BOOL, OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
1878 { .off = OFFSET(video_disable) },
1879 "disable video" },
1880 { "rc_override", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1881 { .off = OFFSET(rc_overrides) },
1882 "rate control override for specific intervals", "override" },
1883 { "vcodec", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON,
1884 { .func_arg = opt_video_codec },
1885 "alias for -c:v (select encoder/decoder for video streams)", "codec",
1886 .u1.name_canon = "codec", },
1887 { "timecode", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT,
1888 { .func_arg = opt_timecode },
1889 "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
1890 { "pass", OPT_TYPE_INT, OPT_VIDEO | OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT,
1891 { .off = OFFSET(pass) },
1892 "select the pass number (1 to 3)", "n" },
1893 { "passlogfile", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1894 { .off = OFFSET(passlogfiles) },
1895 "select two pass log file name prefix", "prefix" },
1896 { "vstats", OPT_TYPE_FUNC, OPT_VIDEO | OPT_EXPERT,
1897 { .func_arg = opt_vstats },
1898 "dump video coding statistics to file" },
1899 { "vstats_file", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT,
1900 { .func_arg = opt_vstats_file },
1901 "dump video coding statistics to file", "file" },
1902 { "vstats_version", OPT_TYPE_INT, OPT_VIDEO | OPT_EXPERT,
1903 { &vstats_version },
1904 "Version of the vstats format to use."},
1905 { "vf", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
1906 { .func_arg = opt_video_filters },
1907 "alias for -filter:v (apply filters to video streams)", "filter_graph",
1908 .u1.name_canon = "filter", },
1909 { "intra_matrix", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1910 { .off = OFFSET(intra_matrices) },
1911 "specify intra matrix coeffs", "matrix" },
1912 { "inter_matrix", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1913 { .off = OFFSET(inter_matrices) },
1914 "specify inter matrix coeffs", "matrix" },
1915 { "chroma_intra_matrix", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1916 { .off = OFFSET(chroma_intra_matrices) },
1917 "specify intra matrix coeffs", "matrix" },
1918 { "vtag", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON,
1919 { .func_arg = opt_old2new },
1920 "force video tag/fourcc", "fourcc/tag",
1921 .u1.name_canon = "tag", },
1922 { "fps_mode", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1923 { .off = OFFSET(fps_mode) },
1924 "set framerate mode for matching video streams" },
1925 { "force_fps", OPT_TYPE_BOOL, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1926 { .off = OFFSET(force_fps) },
1927 "force the selected framerate, disable the best supported framerate selection" },
1928 { "streamid", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT,
1929 { .func_arg = opt_streamid },
1930 "set the value of an outfile streamid", "streamIndex:value" },
1931 { "force_key_frames", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1932 { .off = OFFSET(forced_key_frames) },
1933 "force key frames at specified timestamps", "timestamps" },
1934 { "b", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT,
1935 { .func_arg = opt_bitrate },
1936 "video bitrate (please use -b:v)", "bitrate" },
1937 { "hwaccel", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT,
1938 { .off = OFFSET(hwaccels) },
1939 "use HW accelerated decoding", "hwaccel name" },
1940 { "hwaccel_device", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT,
1941 { .off = OFFSET(hwaccel_devices) },
1942 "select a device for HW acceleration", "devicename" },
1943 { "hwaccel_output_format", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT,
1944 { .off = OFFSET(hwaccel_output_formats) },
1945 "select output format used with HW accelerated decoding", "format" },
1946 { "hwaccels", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT,
1947 { .func_arg = show_hwaccels },
1948 "show available HW acceleration methods" },
1949 { "autorotate", OPT_TYPE_BOOL, OPT_VIDEO | OPT_PERSTREAM | OPT_EXPERT | OPT_INPUT,
1950 { .off = OFFSET(autorotate) },
1951 "automatically insert correct rotate filters" },
1952 { "autoscale", OPT_TYPE_BOOL, OPT_VIDEO | OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1953 { .off = OFFSET(autoscale) },
1954 "automatically insert a scale filter at the end of the filter graph" },
1955 { "apply_cropping", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_EXPERT | OPT_INPUT,
1956 { .off = OFFSET(apply_cropping) },
1957 "select the cropping to apply" },
1958 { "fix_sub_duration_heartbeat", OPT_TYPE_BOOL, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
1959 { .off = OFFSET(fix_sub_duration_heartbeat) },
1960 "set this video output stream to be a heartbeat stream for "
1961 "fix_sub_duration, according to which subtitles should be split at "
1962 "random access points" },
1963
1964 /* audio options */
1965 { "aframes", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_CANON,
1966 { .func_arg = opt_audio_frames },
1967 "set the number of audio frames to output", "number",
1968 .u1.name_canon = "frames", },
1969 { "aq", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT,
1970 { .func_arg = opt_audio_qscale },
1971 "set audio quality (codec-specific)", "quality", },
1972 { "ar", OPT_TYPE_INT, OPT_AUDIO | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT,
1973 { .off = OFFSET(audio_sample_rate) },
1974 "set audio sampling rate (in Hz)", "rate" },
1975 { "ac", OPT_TYPE_INT, OPT_AUDIO | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT,
1976 { .off = OFFSET(audio_channels) },
1977 "set number of audio channels", "channels" },
1978 { "an", OPT_TYPE_BOOL, OPT_AUDIO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
1979 { .off = OFFSET(audio_disable) },
1980 "disable audio" },
1981 { "acodec", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON,
1982 { .func_arg = opt_audio_codec },
1983 "alias for -c:a (select encoder/decoder for audio streams)", "codec",
1984 .u1.name_canon = "codec", },
1985 { "ab", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT,
1986 { .func_arg = opt_bitrate },
1987 "alias for -b:a (select bitrate for audio streams)", "bitrate" },
1988 { "apad", OPT_TYPE_STRING, OPT_AUDIO | OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
1989 { .off = OFFSET(apad) },
1990 "audio pad", "" },
1991 { "atag", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
1992 { .func_arg = opt_old2new },
1993 "force audio tag/fourcc", "fourcc/tag",
1994 .u1.name_canon = "tag", },
1995 { "sample_fmt", OPT_TYPE_STRING, OPT_AUDIO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT,
1996 { .off = OFFSET(sample_fmts) },
1997 "set sample format", "format" },
1998 { "channel_layout", OPT_TYPE_STRING, OPT_AUDIO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_HAS_ALT,
1999 { .off = OFFSET(audio_ch_layouts) },
2000 "set channel layout", "layout",
2001 .u1.names_alt = alt_channel_layout, },
2002 { "ch_layout", OPT_TYPE_STRING, OPT_AUDIO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON,
2003 { .off = OFFSET(audio_ch_layouts) },
2004 "set channel layout", "layout",
2005 .u1.name_canon = "channel_layout", },
2006 { "af", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
2007 { .func_arg = opt_audio_filters },
2008 "alias for -filter:a (apply filters to audio streams)", "filter_graph",
2009 .u1.name_canon = "filter", },
2010 { "guess_layout_max", OPT_TYPE_INT, OPT_AUDIO | OPT_PERSTREAM | OPT_EXPERT | OPT_INPUT,
2011 { .off = OFFSET(guess_layout_max) },
2012 "set the maximum number of channels to try to guess the channel layout" },
2013
2014 /* subtitle options */
2015 { "sn", OPT_TYPE_BOOL, OPT_SUBTITLE | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
2016 { .off = OFFSET(subtitle_disable) },
2017 "disable subtitle" },
2018 { "scodec", OPT_TYPE_FUNC, OPT_SUBTITLE | OPT_FUNC_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON,
2019 { .func_arg = opt_subtitle_codec },
2020 "alias for -c:s (select encoder/decoder for subtitle streams)", "codec",
2021 .u1.name_canon = "codec", },
2022 { "stag", OPT_TYPE_FUNC, OPT_SUBTITLE | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
2023 { .func_arg = opt_old2new }
2024 , "force subtitle tag/fourcc", "fourcc/tag",
2025 .u1.name_canon = "tag" },
2026 { "fix_sub_duration", OPT_TYPE_BOOL, OPT_EXPERT | OPT_SUBTITLE | OPT_PERSTREAM | OPT_INPUT,
2027 { .off = OFFSET(fix_sub_duration) },
2028 "fix subtitles duration" },
2029 { "canvas_size", OPT_TYPE_STRING, OPT_SUBTITLE | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT,
2030 { .off = OFFSET(canvas_sizes) },
2031 "set canvas size (WxH or abbreviation)", "size" },
2032
2033 /* muxer options */
2034 { "muxdelay", OPT_TYPE_FLOAT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT,
2035 { .off = OFFSET(mux_max_delay) },
2036 "set the maximum demux-decode delay", "seconds" },
2037 { "muxpreload", OPT_TYPE_FLOAT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT,
2038 { .off = OFFSET(mux_preload) },
2039 "set the initial demux-decode delay", "seconds" },
2040 { "sdp_file", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_OUTPUT,
2041 { .func_arg = opt_sdp_file },
2042 "specify a file in which to print sdp information", "file" },
2043
2044 { "time_base", OPT_TYPE_STRING, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
2045 { .off = OFFSET(time_bases) },
2046 "set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)", "ratio" },
2047 { "enc_time_base", OPT_TYPE_STRING, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT,
2048 { .off = OFFSET(enc_time_bases) },
2049 "set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). "
2050 "two special values are defined - "
2051 "0 = use frame rate (video) or sample rate (audio),"
2052 "-1 = match source time base", "ratio" },
2053
2054 { "bsf", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT | OPT_INPUT,
2055 { .off = OFFSET(bitstream_filters) },
2056 "A comma-separated list of bitstream filters", "bitstream_filters", },
2057
2058 { "apre", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
2059 { .func_arg = opt_preset },
2060 "set the audio options to the indicated preset", "preset",
2061 .u1.name_canon = "pre", },
2062 { "vpre", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
2063 { .func_arg = opt_preset },
2064 "set the video options to the indicated preset", "preset",
2065 .u1.name_canon = "pre", },
2066 { "spre", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
2067 { .func_arg = opt_preset },
2068 "set the subtitle options to the indicated preset", "preset",
2069 .u1.name_canon = "pre", },
2070 { "fpre", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON,
2071 { .func_arg = opt_preset },
2072 "set options from indicated preset file", "filename",
2073 .u1.name_canon = "pre", },
2074
2075 { "max_muxing_queue_size", OPT_TYPE_INT, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
2076 { .off = OFFSET(max_muxing_queue_size) },
2077 "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" },
2078 { "muxing_queue_data_threshold", OPT_TYPE_INT, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT,
2079 { .off = OFFSET(muxing_queue_data_threshold) },
2080 "set the threshold after which max_muxing_queue_size is taken into account", "bytes" },
2081
2082 /* data codec support */
2083 { "dcodec", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON,
2084 { .func_arg = opt_data_codec },
2085 "alias for -c:d (select encoder/decoder for data streams)", "codec",
2086 .u1.name_canon = "codec", },
2087 { "dn", OPT_TYPE_BOOL, OPT_DATA | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,
2088 { .off = OFFSET(data_disable) }, "disable data" },
2089
2090 #if CONFIG_VAAPI
2091 { "vaapi_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
2092 { .func_arg = opt_vaapi_device },
2093 "set VAAPI hardware device (DirectX adapter index, DRM path or X11 display name)", "device" },
2094 #endif
2095
2096 #if CONFIG_QSV
2097 { "qsv_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
2098 { .func_arg = opt_qsv_device },
2099 "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"},
2100 #endif
2101
2102 { "init_hw_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
2103 { .func_arg = opt_init_hw_device },
2104 "initialise hardware device", "args" },
2105 { "filter_hw_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT,
2106 { .func_arg = opt_filter_hw_device },
2107 "set hardware device used when filtering", "device" },
2108
2109 { NULL, },
2110 };
2111