FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/fftools/ffmpeg_opt.c
Date: 2026-08-30 18:45:47
Exec Total Coverage
Lines: 373 828 45.0%
Functions: 34 58 58.6%
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 16384 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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 3211264 for (const OptionDef *po = options; po->name; po++) {
103 void *dst;
104
105
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 3194880 if (!(po->flags & OPT_FLAG_OFFSET))
106 1638400 continue;
107
108 1556480 dst = (uint8_t*)o + po->u.off;
109
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 1556480 if (po->flags & OPT_FLAG_SPEC) {
110 1114112 SpecifierOptList *so = dst;
111
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 1148082 for (int i = 0; i < so->nb_opt; i++) {
112 33970 av_freep(&so->opt[i].specifier);
113
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 33970 if (po->flags & OPT_FLAG_PERSTREAM)
114 33649 stream_specifier_uninit(&so->opt[i].stream_spec);
115
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 33970 if (po->type == OPT_TYPE_STRING)
116 28097 av_freep(&so->opt[i].u.str);
117 }
118 1114112 av_freep(&so->opt);
119 1114112 so->nb_opt = 0;
120
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 442368 } else if (po->type == OPT_TYPE_STRING)
121 16384 av_freep(dst);
122 }
123
124
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 16908 for (int i = 0; i < o->nb_stream_maps; i++)
125 524 av_freep(&o->stream_maps[i].linklabel);
126 16384 av_freep(&o->stream_maps);
127
128
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 16385 for (int i = 0; i < o->nb_attachments; i++)
129 1 av_freep(&o->attachments[i]);
130 16384 av_freep(&o->attachments);
131
132 16384 av_dict_free(&o->streamid);
133 16384 }
134
135 16384 static void init_options(OptionsContext *o)
136 {
137 16384 memset(o, 0, sizeof(*o));
138
139 16384 o->stop_time = INT64_MAX;
140 16384 o->mux_max_delay = 0.7;
141 16384 o->start_time = AV_NOPTS_VALUE;
142 16384 o->start_time_eof = AV_NOPTS_VALUE;
143 16384 o->recording_time = INT64_MAX;
144 16384 o->limit_filesize = INT64_MAX;
145 16384 o->chapters_input_file = INT_MAX;
146 16384 o->accurate_seek = 1;
147 16384 o->thread_queue_size = 0;
148 16384 o->input_sync_ref = -1;
149 16384 o->find_stream_info = 1;
150 16384 o->shortest_buf_duration = 10.f;
151 16384 }
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 39071 const char *opt_match_per_type_str(const SpecifierOptList *sol,
166 char mediatype)
167 {
168
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 39071 av_assert0(!sol->nb_opt || sol->type == OPT_TYPE_STRING);
169
170
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 53265 for (int i = 0; i < sol->nb_opt; i++) {
171 17401 const char *spec = sol->opt[i].specifier;
172
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 17401 if (spec[0] == mediatype && !spec[1])
173 3207 return sol->opt[i].u.str;
174 }
175 35864 return NULL;
176 }
177
178 438331 static unsigned opt_match_per_stream(void *logctx, enum OptionType type,
179 const SpecifierOptList *sol,
180 AVFormatContext *fc, AVStream *st)
181 {
182 438331 int matches = 0, match_idx = -1;
183
184
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 438331 av_assert0((type == sol->type) || !sol->nb_opt);
185
186
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 473415 for (int i = 0; i < sol->nb_opt; i++) {
187 35084 const StreamSpecifier *ss = &sol->opt[i].stream_spec;
188
189
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 35084 if (stream_specifier_match(ss, fc, st, logctx)) {
190 34611 match_idx = i;
191 34611 matches++;
192 }
193 }
194
195
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 438331 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 438331 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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 285519 OPT_MATCH_PER_STREAM(str, const char *, OPT_TYPE_STRING, str)
238
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 119848 OPT_MATCH_PER_STREAM(int, int, OPT_TYPE_INT, i)
239
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 9247 OPT_MATCH_PER_STREAM(int64, int64_t, OPT_TYPE_INT64, i64)
240
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 23717 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
306 430 int view_specifier_parse(const char **pspec, ViewSpecifier *vs)
307 {
308 430 const char *spec = *pspec;
309 char *endptr;
310
311 430 vs->type = VIEW_SPECIFIER_TYPE_NONE;
312
313
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 430 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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 421 } 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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 418 } 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
352 416 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 8731 static void correct_input_start_times(void)
375 {
376
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 16367 for (int i = 0; i < nb_input_files; i++) {
377 7636 InputFile *ifile = input_files[i];
378 7636 AVFormatContext *is = ifile->ctx;
379 7636 int64_t new_start_time = INT64_MAX, diff, abs_start_seek;
380
381 7636 ifile->start_time_effective = is->start_time;
382
383
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 7636 if (is->start_time == AV_NOPTS_VALUE ||
384
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 5848 !(is->iformat->flags & AVFMT_TS_DISCONT))
385 7509 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 8731 }
410
411 8731 static int apply_sync_offsets(void)
412 {
413
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 16367 for (int i = 0; i < nb_input_files; i++) {
414 7636 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 7636 int start_times_set = 1;
418
419
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 7636 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 8731 return 0;
461 }
462
463 1467 static int opt_filter_threads(void *optctx, const char *opt, const char *arg)
464 {
465 1467 av_free(filter_nbthreads);
466 1467 filter_nbthreads = av_strdup(arg);
467 1467 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 20 static int opt_audio_codec(void *optctx, const char *opt, const char *arg)
508 {
509 20 OptionsContext *o = optctx;
510 20 return parse_option(o, "codec:a", arg, options);
511 }
512
513 5538 static int opt_video_codec(void *optctx, const char *opt, const char *arg)
514 {
515 5538 OptionsContext *o = optctx;
516 5538 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
531 357 static int opt_map(void *optctx, const char *opt, const char *arg)
532 {
533 357 OptionsContext *o = optctx;
534 357 StreamMap *m = NULL;
535 StreamSpecifier ss;
536 357 int i, negative = 0, file_idx, disabled = 0;
537 357 int ret, allow_unused = 0;
538
539 357 memset(&ss, 0, sizeof(ss));
540
541
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 357 if (*arg == '-') {
542 ✗ negative = 1;
543 ✗ arg++;
544 }
545
546
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 357 if (arg[0] == '[') {
547 ViewSpecifier vs;
548 /* this mapping refers to lavfi output */
549 84 const char *c = arg + 1;
550 char *endptr;
551
552 84 ret = GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
553
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 84 if (ret < 0)
554 ✗ goto fail;
555
556 84 m = &o->stream_maps[o->nb_stream_maps - 1];
557 84 m->linklabel = av_get_token(&c, "]");
558
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 84 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 84 arg++;
565
566 84 m->group_index = -1;
567 84 file_idx = strtol(arg, &endptr, 0);
568
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 84 if (file_idx >= nb_input_files || file_idx < 0)
569 82 goto end;
570
571 80 arg = endptr;
572
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 80 ret = stream_specifier_parse(&ss, *arg == ':' ? arg + 1 : arg, 1, NULL);
573
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 80 if (ret < 0)
574 ✗ goto end;
575
576
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 80 arg = ss.remainder ? ss.remainder : "";
577 80 ret = view_specifier_parse(&arg, &vs);
578
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 80 if (ret < 0 || (*arg && strcmp(arg, "]")))
579 78 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
588 273 file_idx = strtol(arg, &endptr, 0);
589
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 273 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 }
594 273 arg = endptr;
595
596
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 273 ret = stream_specifier_parse(&ss, *arg == ':' ? arg + 1 : arg, 1, NULL);
597
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 273 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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 273 arg = ss.remainder ? ss.remainder : "";
603
604 273 ret = view_specifier_parse(&arg, &vs);
605
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 273 if (ret < 0)
606 ✗ goto fail;
607
608
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 273 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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 273 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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 889 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
635
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 616 if (!stream_specifier_match(&ss,
636 616 input_files[file_idx]->ctx,
637 616 input_files[file_idx]->ctx->streams[i],
638 NULL))
639 176 continue;
640
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 440 if (input_files[file_idx]->streams[i]->user_set_discard == AVDISCARD_ALL) {
641 ✗ disabled = 1;
642 ✗ continue;
643 }
644 440 ret = GROW_ARRAY(o->stream_maps, o->nb_stream_maps);
645
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 440 if (ret < 0)
646 ✗ goto fail;
647
648 440 m = &o->stream_maps[o->nb_stream_maps - 1];
649
650 440 m->file_index = file_idx;
651 440 m->stream_index = i;
652
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 440 m->group_index = ss.stream_list == STREAM_LIST_GROUP_IDX ? ss.list_id : -1;
653 440 m->vs = vs;
654 }
655 }
656
657
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 275 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 }
672 275 end:
673 357 ret = 0;
674 357 fail:
675 357 stream_specifier_uninit(&ss);
676 357 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 13763 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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 13763 const char *codec_string = encoder ? "encoder" : "decoder";
788 const AVCodec *codec;
789
790 13763 codec = encoder ?
791
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 13763 avcodec_find_encoder_by_name(name) :
792 9604 avcodec_find_decoder_by_name(name);
793
794
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 13763 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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 13763 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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 13763 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 13763 *pcodec = codec;
813 13763 return 0;;
814 }
815
816 8611 int assert_file_overwrite(const char *filename)
817 {
818 8611 const char *proto_name = avio_find_protocol_name(filename);
819
820
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 8611 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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 8611 if (!file_overwrite) {
826
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 5448 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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 8610 if (proto_name && !strcmp(proto_name, "file")) {
846
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 4969 for (int i = 0; i < nb_input_files; i++) {
847 1958 InputFile *file = input_files[i];
848
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 1958 if (file->ctx->iformat->flags & AVFMT_NOFILE)
849 108 continue;
850
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 1850 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 8610 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 7 static int opt_audio_frames(void *optctx, const char *opt, const char *arg)
1054 {
1055 7 OptionsContext *o = optctx;
1056 7 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 182 static int opt_bitrate(void *optctx, const char *opt, const char *arg)
1157 {
1158 182 OptionsContext *o = optctx;
1159
1160
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 182 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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 179 } 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 136 av_dict_set(&o->g->codec_opts, opt, arg, 0);
1169 136 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 3341 static int opt_video_filters(void *optctx, const char *opt, const char *arg)
1202 {
1203 3341 OptionsContext *o = optctx;
1204 3341 return parse_option(o, "filter:v", arg, options);
1205 }
1206
1207 591 static int opt_audio_filters(void *optctx, const char *opt, const char *arg)
1208 {
1209 591 OptionsContext *o = optctx;
1210 591 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 1268 static int opt_filter_complex(void *optctx, const char *opt, const char *arg)
1234 {
1235 1268 GlobalOptionsContext *go = optctx;
1236 char *graph_desc;
1237 int ret;
1238
1239 1268 graph_desc = av_strdup(arg);
1240
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 1268 if (!graph_desc)
1241 ✗ return AVERROR(ENOMEM);
1242
1243 1268 ret = GROW_ARRAY(go->filtergraphs, go->nb_filtergraphs);
1244
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 1268 if (ret < 0) {
1245 ✗ av_freep(&graph_desc);
1246 ✗ return ret;
1247 }
1248 1268 go->filtergraphs[go->nb_filtergraphs - 1] = graph_desc;
1249
1250 1268 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 26205 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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 42582 for (i = 0; i < l->nb_groups; i++) {
1396 16384 OptionGroup *g = &l->groups[i];
1397 OptionsContext o;
1398
1399 16384 init_options(&o);
1400 16384 o.g = g;
1401
1402 16384 ret = parse_optgroup(&o, g, options);
1403
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 16384 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 16384 av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg);
1411 16384 ret = open_file(&o, g->arg, sch);
1412 16384 uninit_options(&o);
1413
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 16384 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 16377 av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n");
1419 }
1420
1421 26198 return 0;
1422 }
1423
1424 8740 int ffmpeg_parse_options(int argc, char **argv, Scheduler *sch)
1425 {
1426 8740 GlobalOptionsContext go = { .sch = sch };
1427 OptionParseContext octx;
1428 8740 const char *errmsg = NULL;
1429 int ret;
1430
1431 8740 memset(&octx, 0, sizeof(octx));
1432
1433 /* split the commandline into an internal representation */
1434 8740 ret = split_commandline(&octx, argc, argv, options, groups,
1435 FF_ARRAY_ELEMS(groups));
1436
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 8740 if (ret < 0) {
1437 ✗ errmsg = "splitting the argument list";
1438 ✗ goto fail;
1439 }
1440
1441 /* apply global options */
1442 8740 ret = parse_optgroup(&go, &octx.global_opts, options);
1443
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 8740 if (ret < 0) {
1444 2 errmsg = "parsing global options";
1445 2 goto fail;
1446 }
1447
1448 /* configure terminal and setup signal handlers */
1449 8738 term_init();
1450
1451 /* create complex filtergraphs */
1452
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 10006 for (int i = 0; i < go.nb_filtergraphs; i++) {
1453 1268 ret = fg_create(NULL, &go.filtergraphs[i], sch, NULL);
1454 1268 go.filtergraphs[i] = NULL;
1455
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 1268 if (ret < 0)
1456 ✗ goto fail;
1457 }
1458
1459 /* open input files */
1460 8738 ret = open_files(&octx.groups[GROUP_INFILE], "input", sch, ifile_open);
1461
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 8738 if (ret < 0) {
1462 2 errmsg = "opening input files";
1463 2 goto fail;
1464 }
1465
1466 /* open output files */
1467 8736 ret = open_files(&octx.groups[GROUP_OUTFILE], "output", sch, of_open);
1468
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 8736 if (ret < 0) {
1469 5 errmsg = "opening output files";
1470 5 goto fail;
1471 }
1472
1473 /* create loopback decoders */
1474 8731 ret = open_files(&octx.groups[GROUP_DECODER], "decoder", sch, dec_create);
1475
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 8731 if (ret < 0) {
1476 ✗ errmsg = "creating loopback decoders";
1477 ✗ goto fail;
1478 }
1479
1480 // bind unbound filtegraph inputs/outputs and check consistency
1481 8731 ret = fg_finalise_bindings();
1482
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 8731 if (ret < 0) {
1483 ✗ errmsg = "binding filtergraph inputs/outputs";
1484 ✗ goto fail;
1485 }
1486
1487 8731 correct_input_start_times();
1488
1489 8731 ret = apply_sync_offsets();
1490
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 8731 if (ret < 0)
1491 ✗ goto fail;
1492
1493 8731 fail:
1494
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 10008 for (int i = 0; i < go.nb_filtergraphs; i++)
1495 1268 av_freep(&go.filtergraphs[i]);
1496 8740 av_freep(&go.filtergraphs);
1497
1498 8740 uninit_parse_context(&octx);
1499
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 8740 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 8740 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