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