| /* |
| * ffmpeg option parsing |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "config.h" |
| |
| #include <stdint.h> |
| |
| #if HAVE_SYS_RESOURCE_H |
| #include <sys/time.h> |
| #include <sys/resource.h> |
| #endif |
| |
| #include "ffmpeg.h" |
| #include "ffmpeg_sched.h" |
| #include "cmdutils.h" |
| #include "opt_common.h" |
| |
| #include "libavformat/avformat.h" |
| |
| #include "libavcodec/avcodec.h" |
| #include "libavcodec/bsf.h" |
| |
| #include "libavfilter/avfilter.h" |
| |
| #include "libavutil/avassert.h" |
| #include "libavutil/avstring.h" |
| #include "libavutil/avutil.h" |
| #include "libavutil/mathematics.h" |
| #include "libavutil/mem.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/parseutils.h" |
| |
| HWDevice *filter_hw_device; |
| |
| char *vstats_filename; |
| |
| float audio_drift_threshold = 0.1; |
| float dts_delta_threshold = 10; |
| float dts_error_threshold = 3600*30; |
| |
| #if FFMPEG_OPT_VSYNC |
| enum VideoSyncMethod video_sync_method = VSYNC_AUTO; |
| #endif |
| float frame_drop_threshold = 0; |
| int do_benchmark = 0; |
| int do_benchmark_all = 0; |
| int do_hex_dump = 0; |
| int do_pkt_dump = 0; |
| int copy_ts = 0; |
| int start_at_zero = 0; |
| int copy_tb = -1; |
| int debug_ts = 0; |
| int exit_on_error = 0; |
| int abort_on_flags = 0; |
| int print_stats = -1; |
| int stdin_interaction = 1; |
| float max_error_rate = 2.0/3; |
| char *filter_nbthreads; |
| int filter_complex_nbthreads = 0; |
| int vstats_version = 2; |
| int auto_conversion_filters = 1; |
| int64_t stats_period = 500000; |
| |
| |
| static int file_overwrite = 0; |
| static int no_file_overwrite = 0; |
| int ignore_unknown_streams = 0; |
| int copy_unknown_streams = 0; |
| int recast_media = 0; |
| |
| static void uninit_options(OptionsContext *o) |
| { |
| int i; |
| |
| /* all OPT_SPEC and OPT_TYPE_STRING can be freed in generic way */ |
| for (const OptionDef *po = options; po->name; po++) { |
| void *dst; |
| |
| if (!(po->flags & OPT_FLAG_OFFSET)) |
| continue; |
| |
| dst = (uint8_t*)o + po->u.off; |
| if (po->flags & OPT_FLAG_SPEC) { |
| SpecifierOptList *so = dst; |
| for (int i = 0; i < so->nb_opt; i++) { |
| av_freep(&so->opt[i].specifier); |
| if (po->type == OPT_TYPE_STRING) |
| av_freep(&so->opt[i].u.str); |
| } |
| av_freep(&so->opt); |
| so->nb_opt = 0; |
| } else if (po->type == OPT_TYPE_STRING) |
| av_freep(dst); |
| } |
| |
| for (i = 0; i < o->nb_stream_maps; i++) |
| av_freep(&o->stream_maps[i].linklabel); |
| av_freep(&o->stream_maps); |
| |
| for (i = 0; i < o->nb_attachments; i++) |
| av_freep(&o->attachments[i]); |
| av_freep(&o->attachments); |
| |
| av_dict_free(&o->streamid); |
| } |
| |
| static void init_options(OptionsContext *o) |
| { |
| memset(o, 0, sizeof(*o)); |
| |
| o->stop_time = INT64_MAX; |
| o->mux_max_delay = 0.7; |
| o->start_time = AV_NOPTS_VALUE; |
| o->start_time_eof = AV_NOPTS_VALUE; |
| o->recording_time = INT64_MAX; |
| o->limit_filesize = INT64_MAX; |
| o->chapters_input_file = INT_MAX; |
| o->accurate_seek = 1; |
| o->thread_queue_size = 0; |
| o->input_sync_ref = -1; |
| o->find_stream_info = 1; |
| o->shortest_buf_duration = 10.f; |
| } |
| |
| static int show_hwaccels(void *optctx, const char *opt, const char *arg) |
| { |
| enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE; |
| |
| printf("Hardware acceleration methods:\n"); |
| while ((type = av_hwdevice_iterate_types(type)) != |
| AV_HWDEVICE_TYPE_NONE) |
| printf("%s\n", av_hwdevice_get_type_name(type)); |
| printf("\n"); |
| return 0; |
| } |
| |
| /* return a copy of the input with the stream specifiers removed from the keys */ |
| AVDictionary *strip_specifiers(const AVDictionary *dict) |
| { |
| const AVDictionaryEntry *e = NULL; |
| AVDictionary *ret = NULL; |
| |
| while ((e = av_dict_iterate(dict, e))) { |
| char *p = strchr(e->key, ':'); |
| |
| if (p) |
| *p = 0; |
| av_dict_set(&ret, e->key, e->value, 0); |
| if (p) |
| *p = ':'; |
| } |
| return ret; |
| } |
| |
| const char *opt_match_per_type_str(const SpecifierOptList *sol, |
| char mediatype) |
| { |
| av_assert0(!sol->nb_opt || sol->type == OPT_TYPE_STRING); |
| |
| for (int i = 0; i < sol->nb_opt; i++) { |
| const char *spec = sol->opt[i].specifier; |
| if (spec[0] == mediatype && !spec[1]) |
| return sol->opt[i].u.str; |
| } |
| return NULL; |
| } |
| |
| int parse_and_set_vsync(const char *arg, int *vsync_var, int file_idx, int st_idx, int is_global) |
| { |
| if (!av_strcasecmp(arg, "cfr")) *vsync_var = VSYNC_CFR; |
| else if (!av_strcasecmp(arg, "vfr")) *vsync_var = VSYNC_VFR; |
| else if (!av_strcasecmp(arg, "passthrough")) *vsync_var = VSYNC_PASSTHROUGH; |
| #if FFMPEG_OPT_VSYNC_DROP |
| else if (!av_strcasecmp(arg, "drop")) { |
| av_log(NULL, AV_LOG_WARNING, "-vsync/fps_mode drop is deprecated\n"); |
| *vsync_var = VSYNC_DROP; |
| } |
| #endif |
| else if (!is_global && !av_strcasecmp(arg, "auto")) *vsync_var = VSYNC_AUTO; |
| else if (!is_global) { |
| av_log(NULL, AV_LOG_FATAL, "Invalid value %s specified for fps_mode of #%d:%d.\n", arg, file_idx, st_idx); |
| return AVERROR(EINVAL); |
| } |
| |
| #if FFMPEG_OPT_VSYNC |
| if (is_global && *vsync_var == VSYNC_AUTO) { |
| int ret; |
| double num; |
| |
| ret = parse_number("vsync", arg, OPT_TYPE_INT, VSYNC_AUTO, VSYNC_VFR, &num); |
| if (ret < 0) |
| return ret; |
| |
| video_sync_method = num; |
| av_log(NULL, AV_LOG_WARNING, "Passing a number to -vsync is deprecated," |
| " use a string argument as described in the manual.\n"); |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| /* Correct input file start times based on enabled streams */ |
| static void correct_input_start_times(void) |
| { |
| for (int i = 0; i < nb_input_files; i++) { |
| InputFile *ifile = input_files[i]; |
| AVFormatContext *is = ifile->ctx; |
| int64_t new_start_time = INT64_MAX, diff, abs_start_seek; |
| |
| ifile->start_time_effective = is->start_time; |
| |
| if (is->start_time == AV_NOPTS_VALUE || |
| !(is->iformat->flags & AVFMT_TS_DISCONT)) |
| continue; |
| |
| for (int j = 0; j < is->nb_streams; j++) { |
| AVStream *st = is->streams[j]; |
| if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE) |
| continue; |
| new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q)); |
| } |
| |
| diff = new_start_time - is->start_time; |
| if (diff) { |
| av_log(NULL, AV_LOG_VERBOSE, "Correcting start time of Input #%d by %"PRId64" us.\n", i, diff); |
| ifile->start_time_effective = new_start_time; |
| if (copy_ts && start_at_zero) |
| ifile->ts_offset = -new_start_time; |
| else if (!copy_ts) { |
| abs_start_seek = is->start_time + (ifile->start_time != AV_NOPTS_VALUE) ? ifile->start_time : 0; |
| ifile->ts_offset = abs_start_seek > new_start_time ? -abs_start_seek : -new_start_time; |
| } else if (copy_ts) |
| ifile->ts_offset = 0; |
| |
| ifile->ts_offset += ifile->input_ts_offset; |
| } |
| } |
| } |
| |
| static int apply_sync_offsets(void) |
| { |
| for (int i = 0; i < nb_input_files; i++) { |
| InputFile *ref, *self = input_files[i]; |
| int64_t adjustment; |
| int64_t self_start_time, ref_start_time, self_seek_start, ref_seek_start; |
| int start_times_set = 1; |
| |
| if (self->input_sync_ref == -1 || self->input_sync_ref == i) continue; |
| if (self->input_sync_ref >= nb_input_files || self->input_sync_ref < -1) { |
| av_log(NULL, AV_LOG_FATAL, "-isync for input %d references non-existent input %d.\n", i, self->input_sync_ref); |
| return AVERROR(EINVAL); |
| } |
| |
| if (copy_ts && !start_at_zero) { |
| av_log(NULL, AV_LOG_FATAL, "Use of -isync requires that start_at_zero be set if copyts is set.\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| ref = input_files[self->input_sync_ref]; |
| if (ref->input_sync_ref != -1 && ref->input_sync_ref != self->input_sync_ref) { |
| av_log(NULL, AV_LOG_ERROR, "-isync for input %d references a resynced input %d. Sync not set.\n", i, self->input_sync_ref); |
| continue; |
| } |
| |
| if (self->ctx->start_time_realtime != AV_NOPTS_VALUE && ref->ctx->start_time_realtime != AV_NOPTS_VALUE) { |
| self_start_time = self->ctx->start_time_realtime; |
| ref_start_time = ref->ctx->start_time_realtime; |
| } else if (self->start_time_effective != AV_NOPTS_VALUE && ref->start_time_effective != AV_NOPTS_VALUE) { |
| self_start_time = self->start_time_effective; |
| ref_start_time = ref->start_time_effective; |
| } else { |
| start_times_set = 0; |
| } |
| |
| if (start_times_set) { |
| self_seek_start = self->start_time == AV_NOPTS_VALUE ? 0 : self->start_time; |
| ref_seek_start = ref->start_time == AV_NOPTS_VALUE ? 0 : ref->start_time; |
| |
| adjustment = (self_start_time - ref_start_time) + !copy_ts*(self_seek_start - ref_seek_start) + ref->input_ts_offset; |
| |
| self->ts_offset += adjustment; |
| |
| av_log(NULL, AV_LOG_INFO, "Adjusted ts offset for Input #%d by %"PRId64" us to sync with Input #%d.\n", i, adjustment, self->input_sync_ref); |
| } else { |
| av_log(NULL, AV_LOG_INFO, "Unable to identify start times for Inputs #%d and %d both. No sync adjustment made.\n", i, self->input_sync_ref); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int opt_filter_threads(void *optctx, const char *opt, const char *arg) |
| { |
| av_free(filter_nbthreads); |
| filter_nbthreads = av_strdup(arg); |
| return 0; |
| } |
| |
| static int opt_abort_on(void *optctx, const char *opt, const char *arg) |
| { |
| static const AVOption opts[] = { |
| { "abort_on" , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, (double)INT64_MAX, .unit = "flags" }, |
| { "empty_output" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT }, .unit = "flags" }, |
| { "empty_output_stream", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = ABORT_ON_FLAG_EMPTY_OUTPUT_STREAM }, .unit = "flags" }, |
| { NULL }, |
| }; |
| static const AVClass class = { |
| .class_name = "", |
| .item_name = av_default_item_name, |
| .option = opts, |
| .version = LIBAVUTIL_VERSION_INT, |
| }; |
| const AVClass *pclass = &class; |
| |
| return av_opt_eval_flags(&pclass, &opts[0], arg, &abort_on_flags); |
| } |
| |
| static int opt_stats_period(void *optctx, const char *opt, const char *arg) |
| { |
| int64_t user_stats_period; |
| int ret = av_parse_time(&user_stats_period, arg, 1); |
| if (ret < 0) |
| return ret; |
| |
| if (user_stats_period <= 0) { |
| av_log(NULL, AV_LOG_ERROR, "stats_period %s must be positive.\n", arg); |
| return AVERROR(EINVAL); |
| } |
| |
| stats_period = user_stats_period; |
| av_log(NULL, AV_LOG_INFO, "ffmpeg stats and -progress period set to %s.\n", arg); |
| |
| return 0; |
| } |
| |
| static int opt_audio_codec(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "codec:a", arg, options); |
| } |
| |
| static int opt_video_codec(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "codec:v", arg, options); |
| } |
| |
| static int opt_subtitle_codec(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "codec:s", arg, options); |
| } |
| |
| static int opt_data_codec(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "codec:d", arg, options); |
| } |
| |
| static int opt_map(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| StreamMap *m = NULL; |
| int i, negative = 0, file_idx, disabled = 0; |
| int ret; |
| char *map, *p; |
| char *allow_unused; |
| |
| if (*arg == '-') { |
| negative = 1; |
| arg++; |
| } |
| map = av_strdup(arg); |
| if (!map) |
| return AVERROR(ENOMEM); |
| |
| if (map[0] == '[') { |
| /* this mapping refers to lavfi output */ |
| const char *c = map + 1; |
| |
| ret = GROW_ARRAY(o->stream_maps, o->nb_stream_maps); |
| if (ret < 0) |
| goto fail; |
| |
| m = &o->stream_maps[o->nb_stream_maps - 1]; |
| m->linklabel = av_get_token(&c, "]"); |
| if (!m->linklabel) { |
| av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| } else { |
| if (allow_unused = strchr(map, '?')) |
| *allow_unused = 0; |
| file_idx = strtol(map, &p, 0); |
| if (file_idx >= nb_input_files || file_idx < 0) { |
| av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| if (negative) |
| /* disable some already defined maps */ |
| for (i = 0; i < o->nb_stream_maps; i++) { |
| m = &o->stream_maps[i]; |
| if (file_idx == m->file_index && |
| check_stream_specifier(input_files[m->file_index]->ctx, |
| input_files[m->file_index]->ctx->streams[m->stream_index], |
| *p == ':' ? p + 1 : p) > 0) |
| m->disabled = 1; |
| } |
| else |
| for (i = 0; i < input_files[file_idx]->nb_streams; i++) { |
| if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i], |
| *p == ':' ? p + 1 : p) <= 0) |
| continue; |
| if (input_files[file_idx]->streams[i]->user_set_discard == AVDISCARD_ALL) { |
| disabled = 1; |
| continue; |
| } |
| ret = GROW_ARRAY(o->stream_maps, o->nb_stream_maps); |
| if (ret < 0) |
| goto fail; |
| |
| m = &o->stream_maps[o->nb_stream_maps - 1]; |
| |
| m->file_index = file_idx; |
| m->stream_index = i; |
| } |
| } |
| |
| if (!m) { |
| if (allow_unused) { |
| av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg); |
| } else if (disabled) { |
| av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches disabled streams.\n" |
| "To ignore this, add a trailing '?' to the map.\n", arg); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } else { |
| av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n" |
| "To ignore this, add a trailing '?' to the map.\n", arg); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| } |
| ret = 0; |
| fail: |
| av_freep(&map); |
| return ret; |
| } |
| |
| static int opt_attach(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| int ret = GROW_ARRAY(o->attachments, o->nb_attachments); |
| if (ret < 0) |
| return ret; |
| |
| o->attachments[o->nb_attachments - 1] = av_strdup(arg); |
| if (!o->attachments[o->nb_attachments - 1]) |
| return AVERROR(ENOMEM); |
| |
| return 0; |
| } |
| |
| static int opt_sdp_file(void *optctx, const char *opt, const char *arg) |
| { |
| Scheduler *sch = optctx; |
| return sch_sdp_filename(sch, arg); |
| } |
| |
| #if CONFIG_VAAPI |
| static int opt_vaapi_device(void *optctx, const char *opt, const char *arg) |
| { |
| const char *prefix = "vaapi:"; |
| char *tmp; |
| int err; |
| tmp = av_asprintf("%s%s", prefix, arg); |
| if (!tmp) |
| return AVERROR(ENOMEM); |
| err = hw_device_init_from_string(tmp, NULL); |
| av_free(tmp); |
| return err; |
| } |
| #endif |
| |
| #if CONFIG_QSV |
| static int opt_qsv_device(void *optctx, const char *opt, const char *arg) |
| { |
| const char *prefix = "qsv=__qsv_device:hw_any,child_device="; |
| int err; |
| char *tmp = av_asprintf("%s%s", prefix, arg); |
| |
| if (!tmp) |
| return AVERROR(ENOMEM); |
| |
| err = hw_device_init_from_string(tmp, NULL); |
| av_free(tmp); |
| |
| return err; |
| } |
| #endif |
| |
| static int opt_init_hw_device(void *optctx, const char *opt, const char *arg) |
| { |
| if (!strcmp(arg, "list")) { |
| enum AVHWDeviceType type = AV_HWDEVICE_TYPE_NONE; |
| printf("Supported hardware device types:\n"); |
| while ((type = av_hwdevice_iterate_types(type)) != |
| AV_HWDEVICE_TYPE_NONE) |
| printf("%s\n", av_hwdevice_get_type_name(type)); |
| printf("\n"); |
| return AVERROR_EXIT; |
| } else { |
| return hw_device_init_from_string(arg, NULL); |
| } |
| } |
| |
| static int opt_filter_hw_device(void *optctx, const char *opt, const char *arg) |
| { |
| if (filter_hw_device) { |
| av_log(NULL, AV_LOG_ERROR, "Only one filter device can be used.\n"); |
| return AVERROR(EINVAL); |
| } |
| filter_hw_device = hw_device_get_by_name(arg); |
| if (!filter_hw_device) { |
| av_log(NULL, AV_LOG_ERROR, "Invalid filter device %s.\n", arg); |
| return AVERROR(EINVAL); |
| } |
| return 0; |
| } |
| |
| static int opt_recording_timestamp(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| char buf[128]; |
| int64_t recording_timestamp; |
| int ret; |
| struct tm time; |
| |
| ret = av_parse_time(&recording_timestamp, arg, 0); |
| if (ret < 0) |
| return ret; |
| |
| recording_timestamp /= 1e6; |
| time = *gmtime((time_t*)&recording_timestamp); |
| if (!strftime(buf, sizeof(buf), "creation_time=%Y-%m-%dT%H:%M:%S%z", &time)) |
| return -1; |
| parse_option(o, "metadata", buf, options); |
| |
| av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata " |
| "tag instead.\n", opt); |
| return 0; |
| } |
| |
| int find_codec(void *logctx, const char *name, |
| enum AVMediaType type, int encoder, const AVCodec **pcodec) |
| { |
| const AVCodecDescriptor *desc; |
| const char *codec_string = encoder ? "encoder" : "decoder"; |
| const AVCodec *codec; |
| |
| codec = encoder ? |
| avcodec_find_encoder_by_name(name) : |
| avcodec_find_decoder_by_name(name); |
| |
| if (!codec && (desc = avcodec_descriptor_get_by_name(name))) { |
| codec = encoder ? avcodec_find_encoder(desc->id) : |
| avcodec_find_decoder(desc->id); |
| if (codec) |
| av_log(logctx, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n", |
| codec_string, codec->name, desc->name); |
| } |
| |
| if (!codec) { |
| av_log(logctx, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); |
| return encoder ? AVERROR_ENCODER_NOT_FOUND : |
| AVERROR_DECODER_NOT_FOUND; |
| } |
| if (codec->type != type && !recast_media) { |
| av_log(logctx, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); |
| return AVERROR(EINVAL); |
| } |
| |
| *pcodec = codec; |
| return 0;; |
| } |
| |
| int assert_file_overwrite(const char *filename) |
| { |
| const char *proto_name = avio_find_protocol_name(filename); |
| |
| if (file_overwrite && no_file_overwrite) { |
| fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if (!file_overwrite) { |
| if (proto_name && !strcmp(proto_name, "file") && avio_check(filename, 0) == 0) { |
| if (stdin_interaction && !no_file_overwrite) { |
| fprintf(stderr,"File '%s' already exists. Overwrite? [y/N] ", filename); |
| fflush(stderr); |
| term_exit(); |
| signal(SIGINT, SIG_DFL); |
| if (!read_yesno()) { |
| av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n"); |
| return AVERROR_EXIT; |
| } |
| term_init(); |
| } |
| else { |
| av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename); |
| return AVERROR_EXIT; |
| } |
| } |
| } |
| |
| if (proto_name && !strcmp(proto_name, "file")) { |
| for (int i = 0; i < nb_input_files; i++) { |
| InputFile *file = input_files[i]; |
| if (file->ctx->iformat->flags & AVFMT_NOFILE) |
| continue; |
| if (!strcmp(filename, file->ctx->url)) { |
| av_log(NULL, AV_LOG_FATAL, "Output %s same as Input #%d - exiting\n", filename, i); |
| av_log(NULL, AV_LOG_WARNING, "FFmpeg cannot edit existing files in-place.\n"); |
| return AVERROR(EINVAL); |
| } |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* arg format is "output-stream-index:streamid-value". */ |
| static int opt_streamid(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| char *p; |
| char idx_str[16]; |
| |
| av_strlcpy(idx_str, arg, sizeof(idx_str)); |
| p = strchr(idx_str, ':'); |
| if (!p) { |
| av_log(NULL, AV_LOG_FATAL, |
| "Invalid value '%s' for option '%s', required syntax is 'index:value'\n", |
| arg, opt); |
| return AVERROR(EINVAL); |
| } |
| *p++ = '\0'; |
| |
| return av_dict_set(&o->streamid, idx_str, p, 0); |
| } |
| |
| static int opt_target(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN; |
| static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" }; |
| |
| if (!strncmp(arg, "pal-", 4)) { |
| norm = PAL; |
| arg += 4; |
| } else if (!strncmp(arg, "ntsc-", 5)) { |
| norm = NTSC; |
| arg += 5; |
| } else if (!strncmp(arg, "film-", 5)) { |
| norm = FILM; |
| arg += 5; |
| } else { |
| /* Try to determine PAL/NTSC by peeking in the input files */ |
| if (nb_input_files) { |
| int i, j; |
| for (j = 0; j < nb_input_files; j++) { |
| for (i = 0; i < input_files[j]->nb_streams; i++) { |
| AVStream *st = input_files[j]->ctx->streams[i]; |
| int64_t fr; |
| if (st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO) |
| continue; |
| fr = st->time_base.den * 1000LL / st->time_base.num; |
| if (fr == 25000) { |
| norm = PAL; |
| break; |
| } else if ((fr == 29970) || (fr == 23976)) { |
| norm = NTSC; |
| break; |
| } |
| } |
| if (norm != UNKNOWN) |
| break; |
| } |
| } |
| if (norm != UNKNOWN) |
| av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC"); |
| } |
| |
| if (norm == UNKNOWN) { |
| av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n"); |
| av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n"); |
| av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if (!strcmp(arg, "vcd")) { |
| opt_video_codec(o, "c:v", "mpeg1video"); |
| opt_audio_codec(o, "c:a", "mp2"); |
| parse_option(o, "f", "vcd", options); |
| |
| parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options); |
| parse_option(o, "r", frame_rates[norm], options); |
| opt_default(NULL, "g", norm == PAL ? "15" : "18"); |
| |
| opt_default(NULL, "b:v", "1150000"); |
| opt_default(NULL, "maxrate:v", "1150000"); |
| opt_default(NULL, "minrate:v", "1150000"); |
| opt_default(NULL, "bufsize:v", "327680"); // 40*1024*8; |
| |
| opt_default(NULL, "b:a", "224000"); |
| parse_option(o, "ar", "44100", options); |
| parse_option(o, "ac", "2", options); |
| |
| opt_default(NULL, "packetsize", "2324"); |
| opt_default(NULL, "muxrate", "1411200"); // 2352 * 75 * 8; |
| |
| /* We have to offset the PTS, so that it is consistent with the SCR. |
| SCR starts at 36000, but the first two packs contain only padding |
| and the first pack from the other stream, respectively, may also have |
| been written before. |
| So the real data starts at SCR 36000+3*1200. */ |
| o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44 |
| } else if (!strcmp(arg, "svcd")) { |
| |
| opt_video_codec(o, "c:v", "mpeg2video"); |
| opt_audio_codec(o, "c:a", "mp2"); |
| parse_option(o, "f", "svcd", options); |
| |
| parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options); |
| parse_option(o, "r", frame_rates[norm], options); |
| parse_option(o, "pix_fmt", "yuv420p", options); |
| opt_default(NULL, "g", norm == PAL ? "15" : "18"); |
| |
| opt_default(NULL, "b:v", "2040000"); |
| opt_default(NULL, "maxrate:v", "2516000"); |
| opt_default(NULL, "minrate:v", "0"); // 1145000; |
| opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8; |
| opt_default(NULL, "scan_offset", "1"); |
| |
| opt_default(NULL, "b:a", "224000"); |
| parse_option(o, "ar", "44100", options); |
| |
| opt_default(NULL, "packetsize", "2324"); |
| |
| } else if (!strcmp(arg, "dvd")) { |
| |
| opt_video_codec(o, "c:v", "mpeg2video"); |
| opt_audio_codec(o, "c:a", "ac3"); |
| parse_option(o, "f", "dvd", options); |
| |
| parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); |
| parse_option(o, "r", frame_rates[norm], options); |
| parse_option(o, "pix_fmt", "yuv420p", options); |
| opt_default(NULL, "g", norm == PAL ? "15" : "18"); |
| |
| opt_default(NULL, "b:v", "6000000"); |
| opt_default(NULL, "maxrate:v", "9000000"); |
| opt_default(NULL, "minrate:v", "0"); // 1500000; |
| opt_default(NULL, "bufsize:v", "1835008"); // 224*1024*8; |
| |
| opt_default(NULL, "packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack. |
| opt_default(NULL, "muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8 |
| |
| opt_default(NULL, "b:a", "448000"); |
| parse_option(o, "ar", "48000", options); |
| |
| } else if (!strncmp(arg, "dv", 2)) { |
| |
| parse_option(o, "f", "dv", options); |
| |
| parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options); |
| parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" : |
| norm == PAL ? "yuv420p" : "yuv411p", options); |
| parse_option(o, "r", frame_rates[norm], options); |
| |
| parse_option(o, "ar", "48000", options); |
| parse_option(o, "ac", "2", options); |
| |
| } else { |
| av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg); |
| return AVERROR(EINVAL); |
| } |
| |
| av_dict_copy(&o->g->codec_opts, codec_opts, AV_DICT_DONT_OVERWRITE); |
| av_dict_copy(&o->g->format_opts, format_opts, AV_DICT_DONT_OVERWRITE); |
| |
| return 0; |
| } |
| |
| static int opt_vstats_file(void *optctx, const char *opt, const char *arg) |
| { |
| av_free (vstats_filename); |
| vstats_filename = av_strdup (arg); |
| return 0; |
| } |
| |
| static int opt_vstats(void *optctx, const char *opt, const char *arg) |
| { |
| char filename[40]; |
| time_t today2 = time(NULL); |
| struct tm *today = localtime(&today2); |
| |
| if (!today) { // maybe tomorrow |
| av_log(NULL, AV_LOG_FATAL, "Unable to get current time: %s\n", strerror(errno)); |
| return AVERROR(errno); |
| } |
| |
| snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min, |
| today->tm_sec); |
| return opt_vstats_file(NULL, opt, filename); |
| } |
| |
| static int opt_video_frames(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "frames:v", arg, options); |
| } |
| |
| static int opt_audio_frames(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "frames:a", arg, options); |
| } |
| |
| static int opt_data_frames(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "frames:d", arg, options); |
| } |
| |
| static int opt_default_new(OptionsContext *o, const char *opt, const char *arg) |
| { |
| int ret; |
| AVDictionary *cbak = codec_opts; |
| AVDictionary *fbak = format_opts; |
| codec_opts = NULL; |
| format_opts = NULL; |
| |
| ret = opt_default(NULL, opt, arg); |
| |
| av_dict_copy(&o->g->codec_opts , codec_opts, 0); |
| av_dict_copy(&o->g->format_opts, format_opts, 0); |
| av_dict_free(&codec_opts); |
| av_dict_free(&format_opts); |
| codec_opts = cbak; |
| format_opts = fbak; |
| |
| return ret; |
| } |
| |
| static int opt_preset(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| FILE *f=NULL; |
| char filename[1000], line[1000], tmp_line[1000]; |
| const char *codec_name = NULL; |
| int ret = 0; |
| |
| codec_name = opt_match_per_type_str(&o->codec_names, *opt); |
| |
| if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) { |
| if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){ |
| av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n"); |
| }else |
| av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg); |
| return AVERROR(ENOENT); |
| } |
| |
| while (fgets(line, sizeof(line), f)) { |
| char *key = tmp_line, *value, *endptr; |
| |
| if (strcspn(line, "#\n\r") == 0) |
| continue; |
| av_strlcpy(tmp_line, line, sizeof(tmp_line)); |
| if (!av_strtok(key, "=", &value) || |
| !av_strtok(value, "\r\n", &endptr)) { |
| av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value); |
| |
| if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value); |
| else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value); |
| else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value); |
| else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value); |
| else if (opt_default_new(o, key, value) < 0) { |
| av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", |
| filename, line, key, value); |
| ret = AVERROR(EINVAL); |
| goto fail; |
| } |
| } |
| |
| fail: |
| fclose(f); |
| |
| return ret; |
| } |
| |
| static int opt_old2new(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| int ret; |
| char *s = av_asprintf("%s:%c", opt + 1, *opt); |
| if (!s) |
| return AVERROR(ENOMEM); |
| ret = parse_option(o, s, arg, options); |
| av_free(s); |
| return ret; |
| } |
| |
| static int opt_bitrate(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| |
| if(!strcmp(opt, "ab")){ |
| av_dict_set(&o->g->codec_opts, "b:a", arg, 0); |
| return 0; |
| } else if(!strcmp(opt, "b")){ |
| av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n"); |
| av_dict_set(&o->g->codec_opts, "b:v", arg, 0); |
| return 0; |
| } |
| av_dict_set(&o->g->codec_opts, opt, arg, 0); |
| return 0; |
| } |
| |
| static int opt_qscale(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| char *s; |
| int ret; |
| if(!strcmp(opt, "qscale")){ |
| av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n"); |
| return parse_option(o, "q:v", arg, options); |
| } |
| s = av_asprintf("q%s", opt + 6); |
| if (!s) |
| return AVERROR(ENOMEM); |
| ret = parse_option(o, s, arg, options); |
| av_free(s); |
| return ret; |
| } |
| |
| static int opt_profile(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| if(!strcmp(opt, "profile")){ |
| av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n"); |
| av_dict_set(&o->g->codec_opts, "profile:v", arg, 0); |
| return 0; |
| } |
| av_dict_set(&o->g->codec_opts, opt, arg, 0); |
| return 0; |
| } |
| |
| static int opt_video_filters(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "filter:v", arg, options); |
| } |
| |
| static int opt_audio_filters(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "filter:a", arg, options); |
| } |
| |
| #if FFMPEG_OPT_VSYNC |
| static int opt_vsync(void *optctx, const char *opt, const char *arg) |
| { |
| av_log(NULL, AV_LOG_WARNING, "-vsync is deprecated. Use -fps_mode\n"); |
| return parse_and_set_vsync(arg, &video_sync_method, -1, -1, 1); |
| } |
| #endif |
| |
| static int opt_timecode(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| int ret; |
| char *tcr = av_asprintf("timecode=%s", arg); |
| if (!tcr) |
| return AVERROR(ENOMEM); |
| ret = parse_option(o, "metadata:g", tcr, options); |
| if (ret >= 0) |
| ret = av_dict_set(&o->g->codec_opts, "gop_timecode", arg, 0); |
| av_free(tcr); |
| return ret; |
| } |
| |
| static int opt_audio_qscale(void *optctx, const char *opt, const char *arg) |
| { |
| OptionsContext *o = optctx; |
| return parse_option(o, "q:a", arg, options); |
| } |
| |
| static int opt_filter_complex(void *optctx, const char *opt, const char *arg) |
| { |
| Scheduler *sch = optctx; |
| char *graph_desc = av_strdup(arg); |
| if (!graph_desc) |
| return AVERROR(ENOMEM); |
| |
| return fg_create(NULL, graph_desc, sch); |
| } |
| |
| #if FFMPEG_OPT_FILTER_SCRIPT |
| static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg) |
| { |
| Scheduler *sch = optctx; |
| char *graph_desc = file_read(arg); |
| if (!graph_desc) |
| return AVERROR(EINVAL); |
| |
| av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -/filter_complex %s instead\n", |
| opt, arg); |
| |
| return fg_create(NULL, graph_desc, sch); |
| } |
| #endif |
| |
| void show_help_default(const char *opt, const char *arg) |
| { |
| int show_advanced = 0, show_avoptions = 0; |
| |
| if (opt && *opt) { |
| if (!strcmp(opt, "long")) |
| show_advanced = 1; |
| else if (!strcmp(opt, "full")) |
| show_advanced = show_avoptions = 1; |
| else |
| av_log(NULL, AV_LOG_ERROR, "Unknown help option '%s'.\n", opt); |
| } |
| |
| show_usage(); |
| |
| printf("Getting help:\n" |
| " -h -- print basic options\n" |
| " -h long -- print more options\n" |
| " -h full -- print all options (including all format and codec specific options, very long)\n" |
| " -h type=name -- print all options for the named decoder/encoder/demuxer/muxer/filter/bsf/protocol\n" |
| " See man %s for detailed description of the options.\n" |
| "\n" |
| "Per-stream options can be followed by :<stream_spec> to apply that option to specific streams only. " |
| "<stream_spec> can be a stream index, or v/a/s for video/audio/subtitle (see manual for full syntax).\n" |
| "\n", program_name); |
| |
| show_help_options(options, "Print help / information / capabilities:", |
| OPT_EXIT, OPT_EXPERT); |
| if (show_advanced) |
| show_help_options(options, "Advanced information / capabilities:", |
| OPT_EXIT | OPT_EXPERT, 0); |
| |
| show_help_options(options, "Global options (affect whole program " |
| "instead of just one file):", |
| 0, OPT_PERFILE | OPT_EXIT | OPT_EXPERT); |
| if (show_advanced) |
| show_help_options(options, "Advanced global options:", OPT_EXPERT, |
| OPT_PERFILE | OPT_EXIT); |
| |
| show_help_options(options, "Per-file options (input and output):", |
| OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, |
| OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_EXPERT | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| if (show_advanced) |
| show_help_options(options, "Advanced per-file options (input and output):", |
| OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_EXPERT, |
| OPT_EXIT | OPT_FLAG_PERSTREAM | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| |
| show_help_options(options, "Per-file options (input-only):", |
| OPT_PERFILE | OPT_INPUT, |
| OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_OUTPUT | OPT_EXPERT | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| if (show_advanced) |
| show_help_options(options, "Advanced per-file options (input-only):", |
| OPT_PERFILE | OPT_INPUT | OPT_EXPERT, |
| OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_OUTPUT | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| |
| show_help_options(options, "Per-file options (output-only):", |
| OPT_PERFILE | OPT_OUTPUT, |
| OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_INPUT | OPT_EXPERT | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| if (show_advanced) |
| show_help_options(options, "Advanced per-file options (output-only):", |
| OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT, |
| OPT_EXIT | OPT_FLAG_PERSTREAM | OPT_INPUT | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| |
| show_help_options(options, "Per-stream options:", |
| OPT_FLAG_PERSTREAM, |
| OPT_EXIT | OPT_EXPERT | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| if (show_advanced) |
| show_help_options(options, "Advanced per-stream options:", |
| OPT_FLAG_PERSTREAM | OPT_EXPERT, |
| OPT_EXIT | |
| OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| |
| show_help_options(options, "Video options:", |
| OPT_VIDEO, OPT_EXPERT | OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| if (show_advanced) |
| show_help_options(options, "Advanced Video options:", |
| OPT_EXPERT | OPT_VIDEO, OPT_AUDIO | OPT_SUBTITLE | OPT_DATA); |
| |
| show_help_options(options, "Audio options:", |
| OPT_AUDIO, OPT_EXPERT | OPT_VIDEO | OPT_SUBTITLE | OPT_DATA); |
| if (show_advanced) |
| show_help_options(options, "Advanced Audio options:", |
| OPT_EXPERT | OPT_AUDIO, OPT_VIDEO | OPT_SUBTITLE | OPT_DATA); |
| |
| show_help_options(options, "Subtitle options:", |
| OPT_SUBTITLE, OPT_EXPERT | OPT_VIDEO | OPT_AUDIO | OPT_DATA); |
| if (show_advanced) |
| show_help_options(options, "Advanced Subtitle options:", |
| OPT_EXPERT | OPT_SUBTITLE, OPT_VIDEO | OPT_AUDIO | OPT_DATA); |
| |
| if (show_advanced) |
| show_help_options(options, "Data stream options:", |
| OPT_DATA, OPT_VIDEO | OPT_AUDIO | OPT_SUBTITLE); |
| printf("\n"); |
| |
| if (show_avoptions) { |
| int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM; |
| show_help_children(avcodec_get_class(), flags); |
| show_help_children(avformat_get_class(), flags); |
| #if CONFIG_SWSCALE |
| show_help_children(sws_get_class(), flags); |
| #endif |
| #if CONFIG_SWRESAMPLE |
| show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM); |
| #endif |
| show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM); |
| show_help_children(av_bsf_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_BSF_PARAM); |
| } |
| } |
| |
| void show_usage(void) |
| { |
| av_log(NULL, AV_LOG_INFO, "Universal media converter\n"); |
| av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name); |
| av_log(NULL, AV_LOG_INFO, "\n"); |
| } |
| |
| enum OptGroup { |
| GROUP_OUTFILE, |
| GROUP_INFILE, |
| GROUP_DECODER, |
| }; |
| |
| static const OptionGroupDef groups[] = { |
| [GROUP_OUTFILE] = { "output url", NULL, OPT_OUTPUT }, |
| [GROUP_INFILE] = { "input url", "i", OPT_INPUT }, |
| [GROUP_DECODER] = { "loopback decoder", "dec", OPT_DECODER }, |
| }; |
| |
| static int open_files(OptionGroupList *l, const char *inout, Scheduler *sch, |
| int (*open_file)(const OptionsContext*, const char*, |
| Scheduler*)) |
| { |
| int i, ret; |
| |
| for (i = 0; i < l->nb_groups; i++) { |
| OptionGroup *g = &l->groups[i]; |
| OptionsContext o; |
| |
| init_options(&o); |
| o.g = g; |
| |
| ret = parse_optgroup(&o, g, options); |
| if (ret < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file " |
| "%s.\n", inout, g->arg); |
| uninit_options(&o); |
| return ret; |
| } |
| |
| av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg); |
| ret = open_file(&o, g->arg, sch); |
| uninit_options(&o); |
| if (ret < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Error opening %s file %s.\n", |
| inout, g->arg); |
| return ret; |
| } |
| av_log(NULL, AV_LOG_DEBUG, "Successfully opened the file.\n"); |
| } |
| |
| return 0; |
| } |
| |
| int ffmpeg_parse_options(int argc, char **argv, Scheduler *sch) |
| { |
| OptionParseContext octx; |
| const char *errmsg = NULL; |
| int ret; |
| |
| memset(&octx, 0, sizeof(octx)); |
| |
| /* split the commandline into an internal representation */ |
| ret = split_commandline(&octx, argc, argv, options, groups, |
| FF_ARRAY_ELEMS(groups)); |
| if (ret < 0) { |
| errmsg = "splitting the argument list"; |
| goto fail; |
| } |
| |
| /* apply global options */ |
| ret = parse_optgroup(sch, &octx.global_opts, options); |
| if (ret < 0) { |
| errmsg = "parsing global options"; |
| goto fail; |
| } |
| |
| /* configure terminal and setup signal handlers */ |
| term_init(); |
| |
| /* open input files */ |
| ret = open_files(&octx.groups[GROUP_INFILE], "input", sch, ifile_open); |
| if (ret < 0) { |
| errmsg = "opening input files"; |
| goto fail; |
| } |
| |
| /* open output files */ |
| ret = open_files(&octx.groups[GROUP_OUTFILE], "output", sch, of_open); |
| if (ret < 0) { |
| errmsg = "opening output files"; |
| goto fail; |
| } |
| |
| /* create loopback decoders */ |
| ret = open_files(&octx.groups[GROUP_DECODER], "decoder", sch, dec_create); |
| if (ret < 0) { |
| errmsg = "creating loopback decoders"; |
| goto fail; |
| } |
| |
| // bind unbound filtegraph inputs/outputs and check consistency |
| ret = fg_finalise_bindings(); |
| if (ret < 0) { |
| errmsg = "binding filtergraph inputs/outputs"; |
| goto fail; |
| } |
| |
| correct_input_start_times(); |
| |
| ret = apply_sync_offsets(); |
| if (ret < 0) |
| goto fail; |
| |
| fail: |
| uninit_parse_context(&octx); |
| if (ret < 0 && ret != AVERROR_EXIT) { |
| av_log(NULL, AV_LOG_FATAL, "Error %s: %s\n", |
| errmsg ? errmsg : "", av_err2str(ret)); |
| } |
| return ret; |
| } |
| |
| static int opt_progress(void *optctx, const char *opt, const char *arg) |
| { |
| AVIOContext *avio = NULL; |
| int ret; |
| |
| if (!strcmp(arg, "-")) |
| arg = "pipe:"; |
| ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL); |
| if (ret < 0) { |
| av_log(NULL, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n", |
| arg, av_err2str(ret)); |
| return ret; |
| } |
| progress_avio = avio; |
| return 0; |
| } |
| |
| int opt_timelimit(void *optctx, const char *opt, const char *arg) |
| { |
| #if HAVE_SETRLIMIT |
| int ret; |
| double lim; |
| struct rlimit rl; |
| |
| ret = parse_number(opt, arg, OPT_TYPE_INT64, 0, INT_MAX, &lim); |
| if (ret < 0) |
| return ret; |
| |
| rl = (struct rlimit){ lim, lim + 1 }; |
| if (setrlimit(RLIMIT_CPU, &rl)) |
| perror("setrlimit"); |
| #else |
| av_log(NULL, AV_LOG_WARNING, "-%s not implemented on this OS\n", opt); |
| #endif |
| return 0; |
| } |
| |
| #if FFMPEG_OPT_QPHIST |
| static int opt_qphist(void *optctx, const char *opt, const char *arg) |
| { |
| av_log(NULL, AV_LOG_WARNING, "Option -%s is deprecated and has no effect\n", opt); |
| return 0; |
| } |
| #endif |
| |
| #if FFMPEG_OPT_ADRIFT_THRESHOLD |
| static int opt_adrift_threshold(void *optctx, const char *opt, const char *arg) |
| { |
| av_log(NULL, AV_LOG_WARNING, "Option -%s is deprecated and has no effect\n", opt); |
| return 0; |
| } |
| #endif |
| |
| static const char *const alt_bsf[] = { "absf", "vbsf", NULL }; |
| static const char *const alt_channel_layout[] = { "ch_layout", NULL}; |
| static const char *const alt_codec[] = { "c", "acodec", "vcodec", "scodec", "dcodec", NULL }; |
| static const char *const alt_filter[] = { "af", "vf", NULL }; |
| static const char *const alt_frames[] = { "aframes", "vframes", "dframes", NULL }; |
| static const char *const alt_pre[] = { "apre", "vpre", "spre", NULL}; |
| static const char *const alt_qscale[] = { "q", NULL}; |
| static const char *const alt_tag[] = { "atag", "vtag", "stag", NULL }; |
| |
| #define OFFSET(x) offsetof(OptionsContext, x) |
| const OptionDef options[] = { |
| /* main options */ |
| CMDUTILS_COMMON_OPTIONS |
| { "f", OPT_TYPE_STRING, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(format) }, |
| "force container format (auto-detected otherwise)", "fmt" }, |
| { "y", OPT_TYPE_BOOL, 0, |
| { &file_overwrite }, |
| "overwrite output files" }, |
| { "n", OPT_TYPE_BOOL, 0, |
| { &no_file_overwrite }, |
| "never overwrite output files" }, |
| { "ignore_unknown", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &ignore_unknown_streams }, |
| "Ignore unknown stream types" }, |
| { "copy_unknown", OPT_TYPE_BOOL, OPT_EXPERT, |
| { ©_unknown_streams }, |
| "Copy unknown stream types" }, |
| { "recast_media", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &recast_media }, |
| "allow recasting stream type in order to force a decoder of different media type" }, |
| { "c", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_DECODER | OPT_HAS_CANON, |
| { .off = OFFSET(codec_names) }, |
| "select encoder/decoder ('copy' to copy stream without reencoding)", "codec", |
| .u1.name_canon = "codec", }, |
| { "codec", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_DECODER | OPT_EXPERT | OPT_HAS_ALT, |
| { .off = OFFSET(codec_names) }, |
| "alias for -c (select encoder/decoder)", "codec", |
| .u1.names_alt = alt_codec, }, |
| { "pre", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_ALT, |
| { .off = OFFSET(presets) }, |
| "preset name", "preset", |
| .u1.names_alt = alt_pre, }, |
| { "map", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, |
| { .func_arg = opt_map }, |
| "set input stream mapping", |
| "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" }, |
| { "map_metadata", OPT_TYPE_STRING, OPT_SPEC | OPT_OUTPUT | OPT_EXPERT, |
| { .off = OFFSET(metadata_map) }, |
| "set metadata information of outfile from infile", |
| "outfile[,metadata]:infile[,metadata]" }, |
| { "map_chapters", OPT_TYPE_INT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, |
| { .off = OFFSET(chapters_input_file) }, |
| "set chapters mapping", "input_file_index" }, |
| { "t", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(recording_time) }, |
| "stop transcoding after specified duration", |
| "duration" }, |
| { "to", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(stop_time) }, |
| "stop transcoding after specified time is reached", |
| "time_stop" }, |
| { "fs", OPT_TYPE_INT64, OPT_OFFSET | OPT_OUTPUT | OPT_EXPERT, |
| { .off = OFFSET(limit_filesize) }, |
| "set the limit file size in bytes", "limit_size" }, |
| { "ss", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(start_time) }, |
| "start transcoding at specified time", "time_off" }, |
| { "sseof", OPT_TYPE_TIME, OPT_OFFSET | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(start_time_eof) }, |
| "set the start time offset relative to EOF", "time_off" }, |
| { "seek_timestamp", OPT_TYPE_INT, OPT_OFFSET | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(seek_timestamp) }, |
| "enable/disable seeking by timestamp with -ss" }, |
| { "accurate_seek", OPT_TYPE_BOOL, OPT_OFFSET | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(accurate_seek) }, |
| "enable/disable accurate seeking with -ss" }, |
| { "isync", OPT_TYPE_INT, OPT_OFFSET | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(input_sync_ref) }, |
| "Indicate the input index for sync reference", "sync ref" }, |
| { "itsoffset", OPT_TYPE_TIME, OPT_OFFSET | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(input_ts_offset) }, |
| "set the input ts offset", "time_off" }, |
| { "itsscale", OPT_TYPE_DOUBLE, OPT_PERSTREAM | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(ts_scale) }, |
| "set the input ts scale", "scale" }, |
| { "timestamp", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT, |
| { .func_arg = opt_recording_timestamp }, |
| "set the recording timestamp ('now' to set the current time)", "time" }, |
| { "metadata", OPT_TYPE_STRING, OPT_SPEC | OPT_OUTPUT, |
| { .off = OFFSET(metadata) }, |
| "add metadata", "key=value" }, |
| { "program", OPT_TYPE_STRING, OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(program) }, |
| "add program with specified streams", "title=string:st=number..." }, |
| { "stream_group", OPT_TYPE_STRING, OPT_SPEC | OPT_OUTPUT | OPT_EXPERT, |
| { .off = OFFSET(stream_groups) }, |
| "add stream group with specified streams and group type-specific arguments", "id=number:st=number..." }, |
| { "dframes", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_data_frames }, |
| "set the number of data frames to output", "number", |
| .u1.name_canon = "frames" }, |
| { "benchmark", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &do_benchmark }, |
| "add timings for benchmarking" }, |
| { "benchmark_all", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &do_benchmark_all }, |
| "add timings for each task" }, |
| { "progress", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_progress }, |
| "write program-readable progress information", "url" }, |
| { "stdin", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &stdin_interaction }, |
| "enable or disable interaction on standard input" }, |
| { "timelimit", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_timelimit }, |
| "set max runtime in seconds in CPU user time", "limit" }, |
| { "dump", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &do_pkt_dump }, |
| "dump each input packet" }, |
| { "hex", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &do_hex_dump }, |
| "when dumping packets, also dump the payload" }, |
| { "re", OPT_TYPE_BOOL, OPT_EXPERT | OPT_OFFSET | OPT_INPUT, |
| { .off = OFFSET(rate_emu) }, |
| "read input at native frame rate; equivalent to -readrate 1", "" }, |
| { "readrate", OPT_TYPE_FLOAT, OPT_OFFSET | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(readrate) }, |
| "read input at specified rate", "speed" }, |
| { "readrate_initial_burst", OPT_TYPE_DOUBLE, OPT_OFFSET | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(readrate_initial_burst) }, |
| "The initial amount of input to burst read before imposing any readrate", "seconds" }, |
| { "target", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT, |
| { .func_arg = opt_target }, |
| "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" " |
| "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" }, |
| { "frame_drop_threshold", OPT_TYPE_FLOAT, OPT_EXPERT, |
| { &frame_drop_threshold }, |
| "frame drop threshold", "" }, |
| { "copyts", OPT_TYPE_BOOL, OPT_EXPERT, |
| { ©_ts }, |
| "copy timestamps" }, |
| { "start_at_zero", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &start_at_zero }, |
| "shift input timestamps to start at 0 when using copyts" }, |
| { "copytb", OPT_TYPE_INT, OPT_EXPERT, |
| { ©_tb }, |
| "copy input stream time base when stream copying", "mode" }, |
| { "shortest", OPT_TYPE_BOOL, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, |
| { .off = OFFSET(shortest) }, |
| "finish encoding within shortest input" }, |
| { "shortest_buf_duration", OPT_TYPE_FLOAT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, |
| { .off = OFFSET(shortest_buf_duration) }, |
| "maximum buffering duration (in seconds) for the -shortest option" }, |
| { "bitexact", OPT_TYPE_BOOL, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT | OPT_INPUT, |
| { .off = OFFSET(bitexact) }, |
| "bitexact mode" }, |
| { "apad", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(apad) }, |
| "audio pad", "" }, |
| { "dts_delta_threshold", OPT_TYPE_FLOAT, OPT_EXPERT, |
| { &dts_delta_threshold }, |
| "timestamp discontinuity delta threshold", "threshold" }, |
| { "dts_error_threshold", OPT_TYPE_FLOAT, OPT_EXPERT, |
| { &dts_error_threshold }, |
| "timestamp error delta threshold", "threshold" }, |
| { "xerror", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &exit_on_error }, |
| "exit on error", "error" }, |
| { "abort_on", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_abort_on }, |
| "abort on the specified condition flags", "flags" }, |
| { "copyinkf", OPT_TYPE_BOOL, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(copy_initial_nonkeyframes) }, |
| "copy initial non-keyframes" }, |
| { "copypriorss", OPT_TYPE_INT, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(copy_prior_start) }, |
| "copy or discard frames before start time" }, |
| { "frames", OPT_TYPE_INT64, OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_ALT, |
| { .off = OFFSET(max_frames) }, |
| "set the number of frames to output", "number", |
| .u1.names_alt = alt_frames, }, |
| { "tag", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT | OPT_INPUT | OPT_HAS_ALT, |
| { .off = OFFSET(codec_tags) }, |
| "force codec tag/fourcc", "fourcc/tag", |
| .u1.names_alt = alt_tag, }, |
| { "q", OPT_TYPE_DOUBLE, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT | OPT_HAS_CANON, |
| { .off = OFFSET(qscale) }, |
| "use fixed quality scale (VBR)", "q", |
| .u1.name_canon = "qscale", }, |
| { "qscale", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_ALT, |
| { .func_arg = opt_qscale }, |
| "use fixed quality scale (VBR)", "q", |
| .u1.names_alt = alt_qscale, }, |
| { "profile", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, |
| { .func_arg = opt_profile }, |
| "set profile", "profile" }, |
| { "filter", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_OUTPUT | OPT_HAS_ALT, |
| { .off = OFFSET(filters) }, |
| "apply specified filters to audio/video", "filter_graph", |
| .u1.names_alt = alt_filter, }, |
| { "filter_threads", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_filter_threads }, |
| "number of non-complex filter threads" }, |
| #if FFMPEG_OPT_FILTER_SCRIPT |
| { "filter_script", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(filter_scripts) }, |
| "deprecated, use -/filter", "filename" }, |
| #endif |
| { "reinit_filter", OPT_TYPE_INT, OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(reinit_filters) }, |
| "reinit filtergraph on input parameter changes", "" }, |
| { "filter_complex", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_filter_complex }, |
| "create a complex filtergraph", "graph_description" }, |
| { "filter_complex_threads", OPT_TYPE_INT, OPT_EXPERT, |
| { &filter_complex_nbthreads }, |
| "number of threads for -filter_complex" }, |
| { "lavfi", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_filter_complex }, |
| "create a complex filtergraph", "graph_description" }, |
| #if FFMPEG_OPT_FILTER_SCRIPT |
| { "filter_complex_script", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_filter_complex_script }, |
| "deprecated, use -/filter_complex instead", "filename" }, |
| #endif |
| { "auto_conversion_filters", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &auto_conversion_filters }, |
| "enable automatic conversion filters globally" }, |
| { "stats", OPT_TYPE_BOOL, 0, |
| { &print_stats }, |
| "print progress report during encoding", }, |
| { "stats_period", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_stats_period }, |
| "set the period at which ffmpeg updates stats and -progress output", "time" }, |
| { "attach", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_PERFILE | OPT_EXPERT | OPT_OUTPUT, |
| { .func_arg = opt_attach }, |
| "add an attachment to the output file", "filename" }, |
| { "dump_attachment", OPT_TYPE_STRING, OPT_SPEC | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(dump_attachment) }, |
| "extract an attachment into a file", "filename" }, |
| { "stream_loop", OPT_TYPE_INT, OPT_EXPERT | OPT_INPUT | OPT_OFFSET, |
| { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" }, |
| { "debug_ts", OPT_TYPE_BOOL, OPT_EXPERT, |
| { &debug_ts }, |
| "print timestamp debugging info" }, |
| { "max_error_rate", OPT_TYPE_FLOAT, OPT_EXPERT, |
| { &max_error_rate }, |
| "ratio of decoding errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success.", "maximum error rate" }, |
| { "discard", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(discard) }, |
| "discard", "" }, |
| { "disposition", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT, |
| { .off = OFFSET(disposition) }, |
| "disposition", "" }, |
| { "thread_queue_size", OPT_TYPE_INT, OPT_OFFSET | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(thread_queue_size) }, |
| "set the maximum number of queued packets from the demuxer" }, |
| { "find_stream_info", OPT_TYPE_BOOL, OPT_INPUT | OPT_EXPERT | OPT_OFFSET, |
| { .off = OFFSET(find_stream_info) }, |
| "read and decode the streams to fill missing information with heuristics" }, |
| { "bits_per_raw_sample", OPT_TYPE_INT, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(bits_per_raw_sample) }, |
| "set the number of bits per raw sample", "number" }, |
| |
| { "stats_enc_pre", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(enc_stats_pre) }, |
| "write encoding stats before encoding" }, |
| { "stats_enc_post", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(enc_stats_post) }, |
| "write encoding stats after encoding" }, |
| { "stats_mux_pre", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(mux_stats) }, |
| "write packets stats before muxing" }, |
| { "stats_enc_pre_fmt", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(enc_stats_pre_fmt) }, |
| "format of the stats written with -stats_enc_pre" }, |
| { "stats_enc_post_fmt", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(enc_stats_post_fmt) }, |
| "format of the stats written with -stats_enc_post" }, |
| { "stats_mux_pre_fmt", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(mux_stats_fmt) }, |
| "format of the stats written with -stats_mux_pre" }, |
| |
| /* video options */ |
| { "vframes", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_CANON, |
| { .func_arg = opt_video_frames }, |
| "set the number of video frames to output", "number", |
| .u1.name_canon = "frames", }, |
| { "r", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(frame_rates) }, |
| "override input framerate/convert to given output framerate (Hz value, fraction or abbreviation)", "rate" }, |
| { "fpsmax", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT, |
| { .off = OFFSET(max_frame_rates) }, |
| "set max frame rate (Hz value, fraction or abbreviation)", "rate" }, |
| { "s", OPT_TYPE_STRING, OPT_VIDEO | OPT_SUBTITLE | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(frame_sizes) }, |
| "set frame size (WxH or abbreviation)", "size" }, |
| { "aspect", OPT_TYPE_STRING, OPT_VIDEO | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(frame_aspect_ratios) }, |
| "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, |
| { "pix_fmt", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(frame_pix_fmts) }, |
| "set pixel format", "format" }, |
| { "display_rotation", OPT_TYPE_DOUBLE, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(display_rotations) }, |
| "set pure counter-clockwise rotation in degrees for stream(s)", |
| "angle" }, |
| { "display_hflip", OPT_TYPE_BOOL, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(display_hflips) }, |
| "set display horizontal flip for stream(s) " |
| "(overrides any display rotation if it is not set)"}, |
| { "display_vflip", OPT_TYPE_BOOL, OPT_VIDEO | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(display_vflips) }, |
| "set display vertical flip for stream(s) " |
| "(overrides any display rotation if it is not set)"}, |
| { "vn", OPT_TYPE_BOOL, OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(video_disable) }, |
| "disable video" }, |
| { "rc_override", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(rc_overrides) }, |
| "rate control override for specific intervals", "override" }, |
| { "vcodec", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_video_codec }, |
| "alias for -c:v (select encoder/decoder for video streams)", "codec", |
| .u1.name_canon = "codec", }, |
| { "timecode", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT, |
| { .func_arg = opt_timecode }, |
| "set initial TimeCode value.", "hh:mm:ss[:;.]ff" }, |
| { "pass", OPT_TYPE_INT, OPT_VIDEO | OPT_PERSTREAM | OPT_OUTPUT | OPT_EXPERT, |
| { .off = OFFSET(pass) }, |
| "select the pass number (1 to 3)", "n" }, |
| { "passlogfile", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(passlogfiles) }, |
| "select two pass log file name prefix", "prefix" }, |
| { "vstats", OPT_TYPE_FUNC, OPT_VIDEO | OPT_EXPERT, |
| { .func_arg = opt_vstats }, |
| "dump video coding statistics to file" }, |
| { "vstats_file", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_vstats_file }, |
| "dump video coding statistics to file", "file" }, |
| { "vstats_version", OPT_TYPE_INT, OPT_VIDEO | OPT_EXPERT, |
| { &vstats_version }, |
| "Version of the vstats format to use."}, |
| { "vf", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_video_filters }, |
| "alias for -filter:v (apply filters to video streams)", "filter_graph", |
| .u1.name_canon = "filter", }, |
| { "intra_matrix", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(intra_matrices) }, |
| "specify intra matrix coeffs", "matrix" }, |
| { "inter_matrix", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(inter_matrices) }, |
| "specify inter matrix coeffs", "matrix" }, |
| { "chroma_intra_matrix", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(chroma_intra_matrices) }, |
| "specify intra matrix coeffs", "matrix" }, |
| { "vtag", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_old2new }, |
| "force video tag/fourcc", "fourcc/tag", |
| .u1.name_canon = "tag", }, |
| { "fps_mode", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(fps_mode) }, |
| "set framerate mode for matching video streams; overrides vsync" }, |
| { "force_fps", OPT_TYPE_BOOL, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(force_fps) }, |
| "force the selected framerate, disable the best supported framerate selection" }, |
| { "streamid", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, |
| { .func_arg = opt_streamid }, |
| "set the value of an outfile streamid", "streamIndex:value" }, |
| { "force_key_frames", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(forced_key_frames) }, |
| "force key frames at specified timestamps", "timestamps" }, |
| { "b", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT, |
| { .func_arg = opt_bitrate }, |
| "video bitrate (please use -b:v)", "bitrate" }, |
| { "hwaccel", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT, |
| { .off = OFFSET(hwaccels) }, |
| "use HW accelerated decoding", "hwaccel name" }, |
| { "hwaccel_device", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT, |
| { .off = OFFSET(hwaccel_devices) }, |
| "select a device for HW acceleration", "devicename" }, |
| { "hwaccel_output_format", OPT_TYPE_STRING, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT, |
| { .off = OFFSET(hwaccel_output_formats) }, |
| "select output format used with HW accelerated decoding", "format" }, |
| { "hwaccels", OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, |
| { .func_arg = show_hwaccels }, |
| "show available HW acceleration methods" }, |
| { "autorotate", OPT_TYPE_BOOL, OPT_PERSTREAM | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(autorotate) }, |
| "automatically insert correct rotate filters" }, |
| { "autoscale", OPT_TYPE_BOOL, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(autoscale) }, |
| "automatically insert a scale filter at the end of the filter graph" }, |
| { "fix_sub_duration_heartbeat", OPT_TYPE_BOOL, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(fix_sub_duration_heartbeat) }, |
| "set this video output stream to be a heartbeat stream for " |
| "fix_sub_duration, according to which subtitles should be split at " |
| "random access points" }, |
| |
| /* audio options */ |
| { "aframes", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_EXPERT | OPT_HAS_CANON, |
| { .func_arg = opt_audio_frames }, |
| "set the number of audio frames to output", "number", |
| .u1.name_canon = "frames", }, |
| { "aq", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT, |
| { .func_arg = opt_audio_qscale }, |
| "set audio quality (codec-specific)", "quality", }, |
| { "ar", OPT_TYPE_INT, OPT_AUDIO | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(audio_sample_rate) }, |
| "set audio sampling rate (in Hz)", "rate" }, |
| { "ac", OPT_TYPE_INT, OPT_AUDIO | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(audio_channels) }, |
| "set number of audio channels", "channels" }, |
| { "an", OPT_TYPE_BOOL, OPT_AUDIO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(audio_disable) }, |
| "disable audio" }, |
| { "acodec", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_audio_codec }, |
| "alias for -c:a (select encoder/decoder for audio streams)", "codec", |
| .u1.name_canon = "codec", }, |
| { "ab", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT, |
| { .func_arg = opt_bitrate }, |
| "alias for -b:a (select bitrate for audio streams)", "bitrate" }, |
| { "atag", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_old2new }, |
| "force audio tag/fourcc", "fourcc/tag", |
| .u1.name_canon = "tag", }, |
| { "sample_fmt", OPT_TYPE_STRING, OPT_AUDIO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(sample_fmts) }, |
| "set sample format", "format" }, |
| { "channel_layout", OPT_TYPE_STRING, OPT_AUDIO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_HAS_ALT, |
| { .off = OFFSET(audio_ch_layouts) }, |
| "set channel layout", "layout", |
| .u1.names_alt = alt_channel_layout, }, |
| { "ch_layout", OPT_TYPE_STRING, OPT_AUDIO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON, |
| { .off = OFFSET(audio_ch_layouts) }, |
| "set channel layout", "layout", |
| .u1.name_canon = "channel_layout", }, |
| { "af", OPT_TYPE_FUNC, OPT_AUDIO | OPT_FUNC_ARG | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_audio_filters }, |
| "alias for -filter:a (apply filters to audio streams)", "filter_graph", |
| .u1.name_canon = "filter", }, |
| { "guess_layout_max", OPT_TYPE_INT, OPT_AUDIO | OPT_PERSTREAM | OPT_EXPERT | OPT_INPUT, |
| { .off = OFFSET(guess_layout_max) }, |
| "set the maximum number of channels to try to guess the channel layout" }, |
| |
| /* subtitle options */ |
| { "sn", OPT_TYPE_BOOL, OPT_SUBTITLE | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(subtitle_disable) }, |
| "disable subtitle" }, |
| { "scodec", OPT_TYPE_FUNC, OPT_SUBTITLE | OPT_FUNC_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_subtitle_codec }, |
| "alias for -c:s (select encoder/decoder for subtitle streams)", "codec", |
| .u1.name_canon = "codec", }, |
| { "stag", OPT_TYPE_FUNC, OPT_SUBTITLE | OPT_FUNC_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_old2new } |
| , "force subtitle tag/fourcc", "fourcc/tag", |
| .u1.name_canon = "tag" }, |
| { "fix_sub_duration", OPT_TYPE_BOOL, OPT_EXPERT | OPT_SUBTITLE | OPT_PERSTREAM | OPT_INPUT, |
| { .off = OFFSET(fix_sub_duration) }, |
| "fix subtitles duration" }, |
| { "canvas_size", OPT_TYPE_STRING, OPT_SUBTITLE | OPT_PERSTREAM | OPT_INPUT | OPT_EXPERT, |
| { .off = OFFSET(canvas_sizes) }, |
| "set canvas size (WxH or abbreviation)", "size" }, |
| |
| /* muxer options */ |
| { "muxdelay", OPT_TYPE_FLOAT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, |
| { .off = OFFSET(mux_max_delay) }, |
| "set the maximum demux-decode delay", "seconds" }, |
| { "muxpreload", OPT_TYPE_FLOAT, OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, |
| { .off = OFFSET(mux_preload) }, |
| "set the initial demux-decode delay", "seconds" }, |
| { "sdp_file", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT | OPT_OUTPUT, |
| { .func_arg = opt_sdp_file }, |
| "specify a file in which to print sdp information", "file" }, |
| |
| { "time_base", OPT_TYPE_STRING, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(time_bases) }, |
| "set the desired time base hint for output stream (1:24, 1:48000 or 0.04166, 2.0833e-5)", "ratio" }, |
| { "enc_time_base", OPT_TYPE_STRING, OPT_EXPERT | OPT_PERSTREAM | OPT_OUTPUT, |
| { .off = OFFSET(enc_time_bases) }, |
| "set the desired time base for the encoder (1:24, 1:48000 or 0.04166, 2.0833e-5). " |
| "two special values are defined - " |
| "0 = use frame rate (video) or sample rate (audio)," |
| "-1 = match source time base", "ratio" }, |
| |
| { "bsf", OPT_TYPE_STRING, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, |
| { .off = OFFSET(bitstream_filters) }, |
| "A comma-separated list of bitstream filters", "bitstream_filters", }, |
| |
| { "apre", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_preset }, |
| "set the audio options to the indicated preset", "preset", |
| .u1.name_canon = "pre", }, |
| { "vpre", OPT_TYPE_FUNC, OPT_VIDEO | OPT_FUNC_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_preset }, |
| "set the video options to the indicated preset", "preset", |
| .u1.name_canon = "pre", }, |
| { "spre", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_preset }, |
| "set the subtitle options to the indicated preset", "preset", |
| .u1.name_canon = "pre", }, |
| { "fpre", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_preset }, |
| "set options from indicated preset file", "filename", |
| .u1.name_canon = "pre", }, |
| |
| { "max_muxing_queue_size", OPT_TYPE_INT, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(max_muxing_queue_size) }, |
| "maximum number of packets that can be buffered while waiting for all streams to initialize", "packets" }, |
| { "muxing_queue_data_threshold", OPT_TYPE_INT, OPT_PERSTREAM | OPT_EXPERT | OPT_OUTPUT, |
| { .off = OFFSET(muxing_queue_data_threshold) }, |
| "set the threshold after which max_muxing_queue_size is taken into account", "bytes" }, |
| |
| /* data codec support */ |
| { "dcodec", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT | OPT_HAS_CANON, |
| { .func_arg = opt_data_codec }, |
| "alias for -c:d (select encoder/decoder for data streams)", "codec", |
| .u1.name_canon = "codec", }, |
| { "dn", OPT_TYPE_BOOL, OPT_DATA | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(data_disable) }, "disable data" }, |
| |
| #if CONFIG_VAAPI |
| { "vaapi_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_vaapi_device }, |
| "set VAAPI hardware device (DirectX adapter index, DRM path or X11 display name)", "device" }, |
| #endif |
| |
| #if CONFIG_QSV |
| { "qsv_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_qsv_device }, |
| "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"}, |
| #endif |
| |
| { "init_hw_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_init_hw_device }, |
| "initialise hardware device", "args" }, |
| { "filter_hw_device", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_filter_hw_device }, |
| "set hardware device used when filtering", "device" }, |
| |
| // deprecated options |
| #if FFMPEG_OPT_ADRIFT_THRESHOLD |
| { "adrift_threshold", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_adrift_threshold }, |
| "deprecated, does nothing", "threshold" }, |
| #endif |
| #if FFMPEG_OPT_TOP |
| { "top", OPT_TYPE_INT, OPT_VIDEO | OPT_EXPERT | OPT_PERSTREAM | OPT_INPUT | OPT_OUTPUT, |
| { .off = OFFSET(top_field_first) }, |
| "deprecated, use the setfield video filter", "" }, |
| #endif |
| #if FFMPEG_OPT_QPHIST |
| { "qphist", OPT_TYPE_FUNC, OPT_VIDEO | OPT_EXPERT, |
| { .func_arg = opt_qphist }, |
| "deprecated, does nothing" }, |
| #endif |
| #if FFMPEG_OPT_VSYNC |
| { "vsync", OPT_TYPE_FUNC, OPT_FUNC_ARG | OPT_EXPERT, |
| { .func_arg = opt_vsync }, |
| "set video sync method globally; deprecated, use -fps_mode", "" }, |
| #endif |
| |
| { NULL, }, |
| }; |