diff options
Diffstat (limited to 'ffmpeg_opt.c')
| -rw-r--r-- | ffmpeg_opt.c | 3356 |
1 files changed, 3356 insertions, 0 deletions
diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c new file mode 100644 index 0000000000..573da723f6 --- /dev/null +++ b/ffmpeg_opt.c @@ -0,0 +1,3356 @@ +/* + * 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 <stdint.h> + +#include "ffmpeg.h" +#include "cmdutils.h" + +#include "libavformat/avformat.h" + +#include "libavcodec/avcodec.h" + +#include "libavfilter/avfilter.h" + +#include "libavutil/avassert.h" +#include "libavutil/avstring.h" +#include "libavutil/avutil.h" +#include "libavutil/channel_layout.h" +#include "libavutil/intreadwrite.h" +#include "libavutil/fifo.h" +#include "libavutil/mathematics.h" +#include "libavutil/opt.h" +#include "libavutil/parseutils.h" +#include "libavutil/pixdesc.h" +#include "libavutil/pixfmt.h" +#include "libavutil/time_internal.h" + +#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" + +#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\ +{\ + int i, ret;\ + for (i = 0; i < o->nb_ ## name; i++) {\ + char *spec = o->name[i].specifier;\ + if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\ + outvar = o->name[i].u.type;\ + else if (ret < 0)\ + exit_program(1);\ + }\ +} + +#define MATCH_PER_TYPE_OPT(name, type, outvar, fmtctx, mediatype)\ +{\ + int i;\ + for (i = 0; i < o->nb_ ## name; i++) {\ + char *spec = o->name[i].specifier;\ + if (!strcmp(spec, mediatype))\ + outvar = o->name[i].u.type;\ + }\ +} + +const HWAccel hwaccels[] = { +#if HAVE_VDPAU_X11 + { "vdpau", vdpau_init, HWACCEL_VDPAU, AV_PIX_FMT_VDPAU }, +#endif +#if HAVE_DXVA2_LIB + { "dxva2", dxva2_init, HWACCEL_DXVA2, AV_PIX_FMT_DXVA2_VLD }, +#endif +#if CONFIG_VDA + { "vda", videotoolbox_init, HWACCEL_VDA, AV_PIX_FMT_VDA }, +#endif +#if CONFIG_VIDEOTOOLBOX + { "videotoolbox", videotoolbox_init, HWACCEL_VIDEOTOOLBOX, AV_PIX_FMT_VIDEOTOOLBOX }, +#endif + { 0 }, +}; + +char *vstats_filename; +char *sdp_filename; + +float audio_drift_threshold = 0.1; +float dts_delta_threshold = 10; +float dts_error_threshold = 3600*30; + +int audio_volume = 256; +int audio_sync_method = 0; +int video_sync_method = VSYNC_AUTO; +float frame_drop_threshold = 0; +int do_deinterlace = 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 print_stats = -1; +int qp_hist = 0; +int stdin_interaction = 1; +int frame_bits_per_raw_sample = 0; +float max_error_rate = 2.0/3; + + +static int intra_only = 0; +static int file_overwrite = 0; +static int no_file_overwrite = 0; +static int do_psnr = 0; +static int input_sync; +static int override_ffserver = 0; +static int input_stream_potentially_available = 0; +static int ignore_unknown_streams = 0; +static int copy_unknown_streams = 0; + +static void uninit_options(OptionsContext *o) +{ + const OptionDef *po = options; + int i; + + /* all OPT_SPEC and OPT_STRING can be freed in generic way */ + while (po->name) { + void *dst = (uint8_t*)o + po->u.off; + + if (po->flags & OPT_SPEC) { + SpecifierOpt **so = dst; + int i, *count = (int*)(so + 1); + for (i = 0; i < *count; i++) { + av_freep(&(*so)[i].specifier); + if (po->flags & OPT_STRING) + av_freep(&(*so)[i].u.str); + } + av_freep(so); + *count = 0; + } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING) + av_freep(dst); + po++; + } + + for (i = 0; i < o->nb_stream_maps; i++) + av_freep(&o->stream_maps[i].linklabel); + av_freep(&o->stream_maps); + av_freep(&o->audio_channel_maps); + av_freep(&o->streamid_map); + av_freep(&o->attachments); +} + +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 = UINT64_MAX; + o->chapters_input_file = INT_MAX; + o->accurate_seek = 1; +} + +static int show_hwaccels(void *optctx, const char *opt, const char *arg) +{ + int i; + + printf("Hardware acceleration methods:\n"); + for (i = 0; i < FF_ARRAY_ELEMS(hwaccels) - 1; i++) { + printf("%s\n", hwaccels[i].name); + } + printf("\n"); + return 0; +} + +/* return a copy of the input with the stream specifiers removed from the keys */ +static AVDictionary *strip_specifiers(AVDictionary *dict) +{ + AVDictionaryEntry *e = NULL; + AVDictionary *ret = NULL; + + while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) { + char *p = strchr(e->key, ':'); + + if (p) + *p = 0; + av_dict_set(&ret, e->key, e->value, 0); + if (p) + *p = ':'; + } + return ret; +} + +static int opt_sameq(void *optctx, const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_ERROR, "Option '%s' was removed. " + "If you are looking for an option to preserve the quality (which is not " + "what -%s was for), use -qscale 0 or an equivalent quality factor option.\n", + opt, opt); + return AVERROR(EINVAL); +} + +static int opt_video_channel(void *optctx, const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n"); + return opt_default(optctx, "channel", arg); +} + +static int opt_video_standard(void *optctx, const char *opt, const char *arg) +{ + av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n"); + return opt_default(optctx, "standard", arg); +} + +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; + int sync_file_idx = -1, sync_stream_idx = 0; + char *p, *sync; + char *map; + char *allow_unused; + + if (*arg == '-') { + negative = 1; + arg++; + } + map = av_strdup(arg); + if (!map) + return AVERROR(ENOMEM); + + /* parse sync stream first, just pick first matching stream */ + if (sync = strchr(map, ',')) { + *sync = 0; + sync_file_idx = strtol(sync + 1, &sync, 0); + if (sync_file_idx >= nb_input_files || sync_file_idx < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx); + exit_program(1); + } + if (*sync) + sync++; + for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++) + if (check_stream_specifier(input_files[sync_file_idx]->ctx, + input_files[sync_file_idx]->ctx->streams[i], sync) == 1) { + sync_stream_idx = i; + break; + } + if (i == input_files[sync_file_idx]->nb_streams) { + av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not " + "match any streams.\n", arg); + exit_program(1); + } + } + + + if (map[0] == '[') { + /* this mapping refers to lavfi output */ + const char *c = map + 1; + GROW_ARRAY(o->stream_maps, o->nb_stream_maps); + 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); + exit_program(1); + } + } 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); + exit_program(1); + } + 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; + GROW_ARRAY(o->stream_maps, o->nb_stream_maps); + m = &o->stream_maps[o->nb_stream_maps - 1]; + + m->file_index = file_idx; + m->stream_index = i; + + if (sync_file_idx >= 0) { + m->sync_file_index = sync_file_idx; + m->sync_stream_index = sync_stream_idx; + } else { + m->sync_file_index = file_idx; + m->sync_stream_index = i; + } + } + } + + if (!m) { + if (allow_unused) { + av_log(NULL, AV_LOG_VERBOSE, "Stream map '%s' matches no streams; ignoring.\n", arg); + } 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); + exit_program(1); + } + } + + av_freep(&map); + return 0; +} + +static int opt_attach(void *optctx, const char *opt, const char *arg) +{ + OptionsContext *o = optctx; + GROW_ARRAY(o->attachments, o->nb_attachments); + o->attachments[o->nb_attachments - 1] = arg; + return 0; +} + +static int opt_map_channel(void *optctx, const char *opt, const char *arg) +{ + OptionsContext *o = optctx; + int n; + AVStream *st; + AudioChannelMap *m; + + GROW_ARRAY(o->audio_channel_maps, o->nb_audio_channel_maps); + m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1]; + + /* muted channel syntax */ + n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx); + if ((n == 1 || n == 3) && m->channel_idx == -1) { + m->file_idx = m->stream_idx = -1; + if (n == 1) + m->ofile_idx = m->ostream_idx = -1; + return 0; + } + + /* normal syntax */ + n = sscanf(arg, "%d.%d.%d:%d.%d", + &m->file_idx, &m->stream_idx, &m->channel_idx, + &m->ofile_idx, &m->ostream_idx); + + if (n != 3 && n != 5) { + av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: " + "[file.stream.channel|-1][:syncfile:syncstream]\n"); + exit_program(1); + } + + if (n != 5) // only file.stream.channel specified + m->ofile_idx = m->ostream_idx = -1; + + /* check input */ + if (m->file_idx < 0 || m->file_idx >= nb_input_files) { + av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n", + m->file_idx); + exit_program(1); + } + if (m->stream_idx < 0 || + m->stream_idx >= input_files[m->file_idx]->nb_streams) { + av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n", + m->file_idx, m->stream_idx); + exit_program(1); + } + st = input_files[m->file_idx]->ctx->streams[m->stream_idx]; + if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) { + av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n", + m->file_idx, m->stream_idx); + exit_program(1); + } + if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) { + av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n", + m->file_idx, m->stream_idx, m->channel_idx); + exit_program(1); + } + return 0; +} + +static int opt_sdp_file(void *optctx, const char *opt, const char *arg) +{ + av_free(sdp_filename); + sdp_filename = av_strdup(arg); + return 0; +} + +/** + * Parse a metadata specifier passed as 'arg' parameter. + * @param arg metadata string to parse + * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram) + * @param index for type c/p, chapter/program index is written here + * @param stream_spec for type s, the stream specifier is written here + */ +static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec) +{ + if (*arg) { + *type = *arg; + switch (*arg) { + case 'g': + break; + case 's': + if (*(++arg) && *arg != ':') { + av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg); + exit_program(1); + } + *stream_spec = *arg == ':' ? arg + 1 : ""; + break; + case 'c': + case 'p': + if (*(++arg) == ':') + *index = strtol(++arg, NULL, 0); + break; + default: + av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg); + exit_program(1); + } + } else + *type = 'g'; +} + +static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o) +{ + AVDictionary **meta_in = NULL; + AVDictionary **meta_out = NULL; + int i, ret = 0; + char type_in, type_out; + const char *istream_spec = NULL, *ostream_spec = NULL; + int idx_in = 0, idx_out = 0; + + parse_meta_type(inspec, &type_in, &idx_in, &istream_spec); + parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec); + + if (!ic) { + if (type_out == 'g' || !*outspec) + o->metadata_global_manual = 1; + if (type_out == 's' || !*outspec) + o->metadata_streams_manual = 1; + if (type_out == 'c' || !*outspec) + o->metadata_chapters_manual = 1; + return 0; + } + + if (type_in == 'g' || type_out == 'g') + o->metadata_global_manual = 1; + if (type_in == 's' || type_out == 's') + o->metadata_streams_manual = 1; + if (type_in == 'c' || type_out == 'c') + o->metadata_chapters_manual = 1; + + /* ic is NULL when just disabling automatic mappings */ + if (!ic) + return 0; + +#define METADATA_CHECK_INDEX(index, nb_elems, desc)\ + if ((index) < 0 || (index) >= (nb_elems)) {\ + av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\ + (desc), (index));\ + exit_program(1);\ + } + +#define SET_DICT(type, meta, context, index)\ + switch (type) {\ + case 'g':\ + meta = &context->metadata;\ + break;\ + case 'c':\ + METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\ + meta = &context->chapters[index]->metadata;\ + break;\ + case 'p':\ + METADATA_CHECK_INDEX(index, context->nb_programs, "program")\ + meta = &context->programs[index]->metadata;\ + break;\ + case 's':\ + break; /* handled separately below */ \ + default: av_assert0(0);\ + }\ + + SET_DICT(type_in, meta_in, ic, idx_in); + SET_DICT(type_out, meta_out, oc, idx_out); + + /* for input streams choose first matching stream */ + if (type_in == 's') { + for (i = 0; i < ic->nb_streams; i++) { + if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) { + meta_in = &ic->streams[i]->metadata; + break; + } else if (ret < 0) + exit_program(1); + } + if (!meta_in) { + av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec); + exit_program(1); + } + } + + if (type_out == 's') { + for (i = 0; i < oc->nb_streams; i++) { + if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) { + meta_out = &oc->streams[i]->metadata; + av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); + } else if (ret < 0) + exit_program(1); + } + } else + av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE); + + 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 = parse_time_or_die(opt, arg, 0) / 1E6; + struct tm 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; +} + +static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder) +{ + const AVCodecDescriptor *desc; + const char *codec_string = encoder ? "encoder" : "decoder"; + 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(NULL, AV_LOG_VERBOSE, "Matched %s '%s' for codec '%s'.\n", + codec_string, codec->name, desc->name); + } + + if (!codec) { + av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name); + exit_program(1); + } + if (codec->type != type) { + av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name); + exit_program(1); + } + return codec; +} + +static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st) +{ + char *codec_name = NULL; + + MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st); + if (codec_name) { + AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0); + st->codec->codec_id = codec->id; + return codec; + } else + return avcodec_find_decoder(st->codec->codec_id); +} + +/* Add all the streams from the given input file to the global + * list of input streams. */ +static void add_input_streams(OptionsContext *o, AVFormatContext *ic) +{ + int i, ret; + + for (i = 0; i < ic->nb_streams; i++) { + AVStream *st = ic->streams[i]; + AVCodecContext *dec = st->codec; + InputStream *ist = av_mallocz(sizeof(*ist)); + char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL; + char *codec_tag = NULL; + char *next; + char *discard_str = NULL; + const AVOption *discard_opt = av_opt_find(dec, "skip_frame", NULL, 0, 0); + + if (!ist) + exit_program(1); + + GROW_ARRAY(input_streams, nb_input_streams); + input_streams[nb_input_streams - 1] = ist; + + ist->st = st; + ist->file_index = nb_input_files; + ist->discard = 1; + st->discard = AVDISCARD_ALL; + ist->nb_samples = 0; + ist->min_pts = INT64_MAX; + ist->max_pts = INT64_MIN; + + ist->ts_scale = 1.0; + MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st); + + ist->autorotate = 1; + MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st); + + MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st); + if (codec_tag) { + uint32_t tag = strtol(codec_tag, &next, 0); + if (*next) + tag = AV_RL32(codec_tag); + st->codec->codec_tag = tag; + } + + ist->dec = choose_decoder(o, ic, st); + ist->decoder_opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec); + + ist->reinit_filters = -1; + MATCH_PER_STREAM_OPT(reinit_filters, i, ist->reinit_filters, ic, st); + + MATCH_PER_STREAM_OPT(discard, str, discard_str, ic, st); + ist->user_set_discard = AVDISCARD_NONE; + if (discard_str && av_opt_eval_int(dec, discard_opt, discard_str, &ist->user_set_discard) < 0) { + av_log(NULL, AV_LOG_ERROR, "Error parsing discard %s.\n", + discard_str); + exit_program(1); + } + + ist->filter_in_rescale_delta_last = AV_NOPTS_VALUE; + + ist->dec_ctx = avcodec_alloc_context3(ist->dec); + if (!ist->dec_ctx) { + av_log(NULL, AV_LOG_ERROR, "Error allocating the decoder context.\n"); + exit_program(1); + } + + ret = avcodec_copy_context(ist->dec_ctx, dec); + if (ret < 0) { + av_log(NULL, AV_LOG_ERROR, "Error initializing the decoder context.\n"); + exit_program(1); + } + + switch (dec->codec_type) { + case AVMEDIA_TYPE_VIDEO: + if(!ist->dec) + ist->dec = avcodec_find_decoder(dec->codec_id); +#if FF_API_EMU_EDGE + if (av_codec_get_lowres(dec)) { + dec->flags |= CODEC_FLAG_EMU_EDGE; + } +#endif + + ist->resample_height = ist->dec_ctx->height; + ist->resample_width = ist->dec_ctx->width; + ist->resample_pix_fmt = ist->dec_ctx->pix_fmt; + + MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st); + if (framerate && av_parse_video_rate(&ist->framerate, + framerate) < 0) { + av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n", + framerate); + exit_program(1); + } + + ist->top_field_first = -1; + MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st); + + MATCH_PER_STREAM_OPT(hwaccels, str, hwaccel, ic, st); + if (hwaccel) { + if (!strcmp(hwaccel, "none")) + ist->hwaccel_id = HWACCEL_NONE; + else if (!strcmp(hwaccel, "auto")) + ist->hwaccel_id = HWACCEL_AUTO; + else { + int i; + for (i = 0; hwaccels[i].name; i++) { + if (!strcmp(hwaccels[i].name, hwaccel)) { + ist->hwaccel_id = hwaccels[i].id; + break; + } + } + + if (!ist->hwaccel_id) { + av_log(NULL, AV_LOG_FATAL, "Unrecognized hwaccel: %s.\n", + hwaccel); + av_log(NULL, AV_LOG_FATAL, "Supported hwaccels: "); + for (i = 0; hwaccels[i].name; i++) + av_log(NULL, AV_LOG_FATAL, "%s ", hwaccels[i].name); + av_log(NULL, AV_LOG_FATAL, "\n"); + exit_program(1); + } + } + } + + MATCH_PER_STREAM_OPT(hwaccel_devices, str, hwaccel_device, ic, st); + if (hwaccel_device) { + ist->hwaccel_device = av_strdup(hwaccel_device); + if (!ist->hwaccel_device) + exit_program(1); + } + ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE; + + break; + case AVMEDIA_TYPE_AUDIO: + ist->guess_layout_max = INT_MAX; + MATCH_PER_STREAM_OPT(guess_layout_max, i, ist->guess_layout_max, ic, st); + guess_input_channel_layout(ist); + + ist->resample_sample_fmt = ist->dec_ctx->sample_fmt; + ist->resample_sample_rate = ist->dec_ctx->sample_rate; + ist->resample_channels = ist->dec_ctx->channels; + ist->resample_channel_layout = ist->dec_ctx->channel_layout; + + break; + case AVMEDIA_TYPE_DATA: + case AVMEDIA_TYPE_SUBTITLE: { + char *canvas_size = NULL; + if(!ist->dec) + ist->dec = avcodec_find_decoder(dec->codec_id); + MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st); + MATCH_PER_STREAM_OPT(canvas_sizes, str, canvas_size, ic, st); + if (canvas_size && + av_parse_video_size(&ist->dec_ctx->width, &ist->dec_ctx->height, canvas_size) < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid canvas size: %s.\n", canvas_size); + exit_program(1); + } + break; + } + case AVMEDIA_TYPE_ATTACHMENT: + case AVMEDIA_TYPE_UNKNOWN: + break; + default: + abort(); + } + } +} + +static void assert_file_overwrite(const char *filename) +{ + if (file_overwrite && no_file_overwrite) { + fprintf(stderr, "Error, both -y and -n supplied. Exiting.\n"); + exit_program(1); + } + + if (!file_overwrite) { + const char *proto_name = avio_find_protocol_name(filename); + 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"); + exit_program(1); + } + term_init(); + } + else { + av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename); + exit_program(1); + } + } + } +} + +static void dump_attachment(AVStream *st, const char *filename) +{ + int ret; + AVIOContext *out = NULL; + AVDictionaryEntry *e; + + if (!st->codec->extradata_size) { + av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n", + nb_input_files - 1, st->index); + return; + } + if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0))) + filename = e->value; + if (!*filename) { + av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag" + "in stream #%d:%d.\n", nb_input_files - 1, st->index); + exit_program(1); + } + + assert_file_overwrite(filename); + + if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) { + av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n", + filename); + exit_program(1); + } + + avio_write(out, st->codec->extradata, st->codec->extradata_size); + avio_flush(out); + avio_close(out); +} + +static int open_input_file(OptionsContext *o, const char *filename) +{ + InputFile *f; + AVFormatContext *ic; + AVInputFormat *file_iformat = NULL; + int err, i, ret; + int64_t timestamp; + AVDictionary **opts; + AVDictionary *unused_opts = NULL; + AVDictionaryEntry *e = NULL; + int orig_nb_streams; // number of streams before avformat_find_stream_info + char * video_codec_name = NULL; + char * audio_codec_name = NULL; + char *subtitle_codec_name = NULL; + char * data_codec_name = NULL; + int scan_all_pmts_set = 0; + + if (o->format) { + if (!(file_iformat = av_find_input_format(o->format))) { + av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format); + exit_program(1); + } + } + + if (!strcmp(filename, "-")) + filename = "pipe:"; + + stdin_interaction &= strncmp(filename, "pipe:", 5) && + strcmp(filename, "/dev/stdin"); + + /* get default parameters from command line */ + ic = avformat_alloc_context(); + if (!ic) { + print_error(filename, AVERROR(ENOMEM)); + exit_program(1); + } + if (o->nb_audio_sample_rate) { + av_dict_set_int(&o->g->format_opts, "sample_rate", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i, 0); + } + if (o->nb_audio_channels) { + /* because we set audio_channels based on both the "ac" and + * "channel_layout" options, we need to check that the specified + * demuxer actually has the "channels" option before setting it */ + if (file_iformat && file_iformat->priv_class && + av_opt_find(&file_iformat->priv_class, "channels", NULL, 0, + AV_OPT_SEARCH_FAKE_OBJ)) { + av_dict_set_int(&o->g->format_opts, "channels", o->audio_channels[o->nb_audio_channels - 1].u.i, 0); + } + } + if (o->nb_frame_rates) { + /* set the format-level framerate option; + * this is important for video grabbers, e.g. x11 */ + if (file_iformat && file_iformat->priv_class && + av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0, + AV_OPT_SEARCH_FAKE_OBJ)) { + av_dict_set(&o->g->format_opts, "framerate", + o->frame_rates[o->nb_frame_rates - 1].u.str, 0); + } + } + if (o->nb_frame_sizes) { + av_dict_set(&o->g->format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0); + } + if (o->nb_frame_pix_fmts) + av_dict_set(&o->g->format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0); + + MATCH_PER_TYPE_OPT(codec_names, str, video_codec_name, ic, "v"); + MATCH_PER_TYPE_OPT(codec_names, str, audio_codec_name, ic, "a"); + MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, ic, "s"); + MATCH_PER_TYPE_OPT(codec_names, str, data_codec_name, ic, "d"); + + ic->video_codec_id = video_codec_name ? + find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE; + ic->audio_codec_id = audio_codec_name ? + find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE; + ic->subtitle_codec_id= subtitle_codec_name ? + find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE; + ic->data_codec_id = data_codec_name ? + find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)->id : AV_CODEC_ID_NONE; + + if (video_codec_name) + av_format_set_video_codec (ic, find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)); + if (audio_codec_name) + av_format_set_audio_codec (ic, find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)); + if (subtitle_codec_name) + av_format_set_subtitle_codec(ic, find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)); + if (data_codec_name) + av_format_set_data_codec(ic, find_codec_or_die(data_codec_name, AVMEDIA_TYPE_DATA, 0)); + + ic->flags |= AVFMT_FLAG_NONBLOCK; + ic->interrupt_callback = int_cb; + + if (!av_dict_get(o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) { + av_dict_set(&o->g->format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE); + scan_all_pmts_set = 1; + } + /* open the input file with generic avformat function */ + err = avformat_open_input(&ic, filename, file_iformat, &o->g->format_opts); + if (err < 0) { + print_error(filename, err); + exit_program(1); + } + if (scan_all_pmts_set) + av_dict_set(&o->g->format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE); + remove_avoptions(&o->g->format_opts, o->g->codec_opts); + assert_avoptions(o->g->format_opts); + + /* apply forced codec ids */ + for (i = 0; i < ic->nb_streams; i++) + choose_decoder(o, ic, ic->streams[i]); + + /* Set AVCodecContext options for avformat_find_stream_info */ + opts = setup_find_stream_info_opts(ic, o->g->codec_opts); + orig_nb_streams = ic->nb_streams; + + /* If not enough info to get the stream parameters, we decode the + first frames to get it. (used in mpeg case for example) */ + ret = avformat_find_stream_info(ic, opts); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename); + if (ic->nb_streams == 0) { + avformat_close_input(&ic); + exit_program(1); + } + } + + if (o->start_time_eof != AV_NOPTS_VALUE) { + if (ic->duration>0) { + o->start_time = o->start_time_eof + ic->duration; + } else + av_log(NULL, AV_LOG_WARNING, "Cannot use -sseof, duration of %s not known\n", filename); + } + timestamp = (o->start_time == AV_NOPTS_VALUE) ? 0 : o->start_time; + /* add the stream start time */ + if (!o->seek_timestamp && ic->start_time != AV_NOPTS_VALUE) + timestamp += ic->start_time; + + /* if seeking requested, we execute it */ + if (o->start_time != AV_NOPTS_VALUE) { + int64_t seek_timestamp = timestamp; + + if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) { + int dts_heuristic = 0; + for (i=0; i<ic->nb_streams; i++) { + AVCodecContext *avctx = ic->streams[i]->codec; + if (avctx->has_b_frames) + dts_heuristic = 1; + } + if (dts_heuristic) { + seek_timestamp -= 3*AV_TIME_BASE / 23; + } + } + ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0); + if (ret < 0) { + av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n", + filename, (double)timestamp / AV_TIME_BASE); + } + } + + /* update the current parameters so that they match the one of the input stream */ + add_input_streams(o, ic); + + /* dump the file content */ + av_dump_format(ic, nb_input_files, filename, 0); + + GROW_ARRAY(input_files, nb_input_files); + f = av_mallocz(sizeof(*f)); + if (!f) + exit_program(1); + input_files[nb_input_files - 1] = f; + + f->ctx = ic; + f->ist_index = nb_input_streams - ic->nb_streams; + f->start_time = o->start_time; + f->recording_time = o->recording_time; + f->input_ts_offset = o->input_ts_offset; + f->ts_offset = o->input_ts_offset - (copy_ts ? (start_at_zero && ic->start_time != AV_NOPTS_VALUE ? ic->start_time : 0) : timestamp); + f->nb_streams = ic->nb_streams; + f->rate_emu = o->rate_emu; + f->accurate_seek = o->accurate_seek; + f->loop = o->loop; + f->duration = 0; + f->time_base = (AVRational){ 1, 1 }; +#if HAVE_PTHREADS + f->thread_queue_size = o->thread_queue_size > 0 ? o->thread_queue_size : 8; +#endif + + /* check if all codec options have been used */ + unused_opts = strip_specifiers(o->g->codec_opts); + for (i = f->ist_index; i < nb_input_streams; i++) { + e = NULL; + while ((e = av_dict_get(input_streams[i]->decoder_opts, "", e, + AV_DICT_IGNORE_SUFFIX))) + av_dict_set(&unused_opts, e->key, NULL, 0); + } + + e = NULL; + while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) { + const AVClass *class = avcodec_get_class(); + const AVOption *option = av_opt_find(&class, e->key, NULL, 0, + AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); + const AVClass *fclass = avformat_get_class(); + const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0, + AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); + if (!option || foption) + continue; + + + if (!(option->flags & AV_OPT_FLAG_DECODING_PARAM)) { + av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for " + "input file #%d (%s) is not a decoding option.\n", e->key, + option->help ? option->help : "", nb_input_files - 1, + filename); + exit_program(1); + } + + av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for " + "input file #%d (%s) has not been used for any stream. The most " + "likely reason is either wrong type (e.g. a video option with " + "no video streams) or that it is a private option of some decoder " + "which was not actually used for any stream.\n", e->key, + option->help ? option->help : "", nb_input_files - 1, filename); + } + av_dict_free(&unused_opts); + + for (i = 0; i < o->nb_dump_attachment; i++) { + int j; + + for (j = 0; j < ic->nb_streams; j++) { + AVStream *st = ic->streams[j]; + + if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1) + dump_attachment(st, o->dump_attachment[i].u.str); + } + } + + for (i = 0; i < orig_nb_streams; i++) + av_dict_free(&opts[i]); + av_freep(&opts); + + input_stream_potentially_available = 1; + + return 0; +} + +static uint8_t *get_line(AVIOContext *s) +{ + AVIOContext *line; + uint8_t *buf; + char c; + + if (avio_open_dyn_buf(&line) < 0) { + av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n"); + exit_program(1); + } + + while ((c = avio_r8(s)) && c != '\n') + avio_w8(line, c); + avio_w8(line, 0); + avio_close_dyn_buf(line, &buf); + + return buf; +} + +static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s) +{ + int i, ret = -1; + char filename[1000]; + const char *base[3] = { getenv("AVCONV_DATADIR"), + getenv("HOME"), + AVCONV_DATADIR, + }; + + for (i = 0; i < FF_ARRAY_ELEMS(base) && ret < 0; i++) { + if (!base[i]) + continue; + if (codec_name) { + snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i], + i != 1 ? "" : "/.avconv", codec_name, preset_name); + ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); + } + if (ret < 0) { + snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i], + i != 1 ? "" : "/.avconv", preset_name); + ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL); + } + } + return ret; +} + +static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost) +{ + char *codec_name = NULL; + + MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st); + if (!codec_name) { + ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, + NULL, ost->st->codec->codec_type); + ost->enc = avcodec_find_encoder(ost->st->codec->codec_id); + } else if (!strcmp(codec_name, "copy")) + ost->stream_copy = 1; + else { + ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1); + ost->st->codec->codec_id = ost->enc->id; + } +} + +static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index) +{ + OutputStream *ost; + AVStream *st = avformat_new_stream(oc, NULL); + int idx = oc->nb_streams - 1, ret = 0; + char *bsf = NULL, *next, *codec_tag = NULL; + AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL; + double qscale = -1; + int i; + + if (!st) { + av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n"); + exit_program(1); + } + + if (oc->nb_streams - 1 < o->nb_streamid_map) + st->id = o->streamid_map[oc->nb_streams - 1]; + + GROW_ARRAY(output_streams, nb_output_streams); + if (!(ost = av_mallocz(sizeof(*ost)))) + exit_program(1); + output_streams[nb_output_streams - 1] = ost; + + ost->file_index = nb_output_files - 1; + ost->index = idx; + ost->st = st; + st->codec->codec_type = type; + choose_encoder(o, oc, ost); + + ost->enc_ctx = avcodec_alloc_context3(ost->enc); + if (!ost->enc_ctx) { + av_log(NULL, AV_LOG_ERROR, "Error allocating the encoding context.\n"); + exit_program(1); + } + ost->enc_ctx->codec_type = type; + + if (ost->enc) { + AVIOContext *s = NULL; + char *buf = NULL, *arg = NULL, *preset = NULL; + + ost->encoder_opts = filter_codec_opts(o->g->codec_opts, ost->enc->id, oc, st, ost->enc); + + MATCH_PER_STREAM_OPT(presets, str, preset, oc, st); + if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) { + do { + buf = get_line(s); + if (!buf[0] || buf[0] == '#') { + av_free(buf); + continue; + } + if (!(arg = strchr(buf, '='))) { + av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n"); + exit_program(1); + } + *arg++ = 0; + av_dict_set(&ost->encoder_opts, buf, arg, AV_DICT_DONT_OVERWRITE); + av_free(buf); + } while (!s->eof_reached); + avio_closep(&s); + } + if (ret) { + av_log(NULL, AV_LOG_FATAL, + "Preset %s specified for stream %d:%d, but could not be opened.\n", + preset, ost->file_index, ost->index); + exit_program(1); + } + } else { + ost->encoder_opts = filter_codec_opts(o->g->codec_opts, AV_CODEC_ID_NONE, oc, st, NULL); + } + + ost->max_frames = INT64_MAX; + MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st); + for (i = 0; i<o->nb_max_frames; i++) { + char *p = o->max_frames[i].specifier; + if (!*p && type != AVMEDIA_TYPE_VIDEO) { + av_log(NULL, AV_LOG_WARNING, "Applying unspecific -frames to non video streams, maybe you meant -vframes ?\n"); + break; + } + } + + ost->copy_prior_start = -1; + MATCH_PER_STREAM_OPT(copy_prior_start, i, ost->copy_prior_start, oc ,st); + + MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st); + while (bsf) { + char *arg = NULL; + if (next = strchr(bsf, ',')) + *next++ = 0; + if (arg = strchr(bsf, '=')) + *arg++ = 0; + if (!(bsfc = av_bitstream_filter_init(bsf))) { + av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf); + exit_program(1); + } + if (bsfc_prev) + bsfc_prev->next = bsfc; + else + ost->bitstream_filters = bsfc; + av_dict_set(&ost->bsf_args, bsfc->filter->name, arg, 0); + + bsfc_prev = bsfc; + bsf = next; + } + + MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st); + if (codec_tag) { + uint32_t tag = strtol(codec_tag, &next, 0); + if (*next) + tag = AV_RL32(codec_tag); + ost->st->codec->codec_tag = + ost->enc_ctx->codec_tag = tag; + } + + MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st); + if (qscale >= 0) { + ost->enc_ctx->flags |= AV_CODEC_FLAG_QSCALE; + ost->enc_ctx->global_quality = FF_QP2LAMBDA * qscale; + } + + MATCH_PER_STREAM_OPT(disposition, str, ost->disposition, oc, st); + ost->disposition = av_strdup(ost->disposition); + + if (oc->oformat->flags & AVFMT_GLOBALHEADER) + ost->enc_ctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER; + + av_dict_copy(&ost->sws_dict, o->g->sws_dict, 0); + + av_dict_copy(&ost->swr_opts, o->g->swr_opts, 0); + if (ost->enc && av_get_exact_bits_per_sample(ost->enc->id) == 24) + av_dict_set(&ost->swr_opts, "output_sample_bits", "24", 0); + + av_dict_copy(&ost->resample_opts, o->g->resample_opts, 0); + + ost->source_index = source_index; + if (source_index >= 0) { + ost->sync_ist = input_streams[source_index]; + input_streams[source_index]->discard = 0; + input_streams[source_index]->st->discard = input_streams[source_index]->user_set_discard; + } + ost->last_mux_dts = AV_NOPTS_VALUE; + + return ost; +} + +static void parse_matrix_coeffs(uint16_t *dest, const char *str) +{ + int i; + const char *p = str; + for (i = 0;; i++) { + dest[i] = atoi(p); + if (i == 63) + break; + p = strchr(p, ','); + if (!p) { + av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i); + exit_program(1); + } + p++; + } +} + +/* read file contents into a string */ +static uint8_t *read_file(const char *filename) +{ + AVIOContext *pb = NULL; + AVIOContext *dyn_buf = NULL; + int ret = avio_open(&pb, filename, AVIO_FLAG_READ); + uint8_t buf[1024], *str; + + if (ret < 0) { + av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename); + return NULL; + } + + ret = avio_open_dyn_buf(&dyn_buf); + if (ret < 0) { + avio_closep(&pb); + return NULL; + } + while ((ret = avio_read(pb, buf, sizeof(buf))) > 0) + avio_write(dyn_buf, buf, ret); + avio_w8(dyn_buf, 0); + avio_closep(&pb); + + ret = avio_close_dyn_buf(dyn_buf, &str); + if (ret < 0) + return NULL; + return str; +} + +static char *get_ost_filters(OptionsContext *o, AVFormatContext *oc, + OutputStream *ost) +{ + AVStream *st = ost->st; + + if (ost->filters_script && ost->filters) { + av_log(NULL, AV_LOG_ERROR, "Both -filter and -filter_script set for " + "output stream #%d:%d.\n", nb_output_files, st->index); + exit_program(1); + } + + if (ost->filters_script) + return read_file(ost->filters_script); + else if (ost->filters) + return av_strdup(ost->filters); + + return av_strdup(st->codec->codec_type == AVMEDIA_TYPE_VIDEO ? + "null" : "anull"); +} + +static void check_streamcopy_filters(OptionsContext *o, AVFormatContext *oc, + const OutputStream *ost, enum AVMediaType type) +{ + if (ost->filters_script || ost->filters) { + av_log(NULL, AV_LOG_ERROR, + "%s '%s' was defined for %s output stream %d:%d but codec copy was selected.\n" + "Filtering and streamcopy cannot be used together.\n", + ost->filters ? "Filtergraph" : "Filtergraph script", + ost->filters ? ost->filters : ost->filters_script, + av_get_media_type_string(type), ost->file_index, ost->index); + exit_program(1); + } +} + +static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index) +{ + AVStream *st; + OutputStream *ost; + AVCodecContext *video_enc; + char *frame_rate = NULL, *frame_aspect_ratio = NULL; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index); + st = ost->st; + video_enc = ost->enc_ctx; + + MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st); + if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate); + exit_program(1); + } + if (frame_rate && video_sync_method == VSYNC_PASSTHROUGH) + av_log(NULL, AV_LOG_ERROR, "Using -vsync 0 and -r can produce invalid output files\n"); + + MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st); + if (frame_aspect_ratio) { + AVRational q; + if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 || + q.num <= 0 || q.den <= 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio); + exit_program(1); + } + ost->frame_aspect_ratio = q; + } + + MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st); + MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st); + + if (!ost->stream_copy) { + const char *p = NULL; + char *frame_size = NULL; + char *frame_pix_fmt = NULL; + char *intra_matrix = NULL, *inter_matrix = NULL; + char *chroma_intra_matrix = NULL; + int do_pass = 0; + int i; + + MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st); + if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size); + exit_program(1); + } + + video_enc->bits_per_raw_sample = frame_bits_per_raw_sample; + MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st); + if (frame_pix_fmt && *frame_pix_fmt == '+') { + ost->keep_pix_fmt = 1; + if (!*++frame_pix_fmt) + frame_pix_fmt = NULL; + } + if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == AV_PIX_FMT_NONE) { + av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt); + exit_program(1); + } + st->sample_aspect_ratio = video_enc->sample_aspect_ratio; + + if (intra_only) + video_enc->gop_size = 0; + MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st); + if (intra_matrix) { + if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n"); + exit_program(1); + } + parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix); + } + MATCH_PER_STREAM_OPT(chroma_intra_matrices, str, chroma_intra_matrix, oc, st); + if (chroma_intra_matrix) { + uint16_t *p = av_mallocz(sizeof(*video_enc->chroma_intra_matrix) * 64); + if (!p) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n"); + exit_program(1); + } + av_codec_set_chroma_intra_matrix(video_enc, p); + parse_matrix_coeffs(p, chroma_intra_matrix); + } + MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st); + if (inter_matrix) { + if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) { + av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n"); + exit_program(1); + } + parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix); + } + + MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st); + for (i = 0; p; i++) { + int start, end, q; + int e = sscanf(p, "%d,%d,%d", &start, &end, &q); + if (e != 3) { + av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n"); + exit_program(1); + } + video_enc->rc_override = + av_realloc_array(video_enc->rc_override, + i + 1, sizeof(RcOverride)); + if (!video_enc->rc_override) { + av_log(NULL, AV_LOG_FATAL, "Could not (re)allocate memory for rc_override.\n"); + exit_program(1); + } + video_enc->rc_override[i].start_frame = start; + video_enc->rc_override[i].end_frame = end; + if (q > 0) { + video_enc->rc_override[i].qscale = q; + video_enc->rc_override[i].quality_factor = 1.0; + } + else { + video_enc->rc_override[i].qscale = 0; + video_enc->rc_override[i].quality_factor = -q/100.0; + } + p = strchr(p, '/'); + if (p) p++; + } + video_enc->rc_override_count = i; + + if (do_psnr) + video_enc->flags|= AV_CODEC_FLAG_PSNR; + + /* two pass mode */ + MATCH_PER_STREAM_OPT(pass, i, do_pass, oc, st); + if (do_pass) { + if (do_pass & 1) { + video_enc->flags |= AV_CODEC_FLAG_PASS1; + av_dict_set(&ost->encoder_opts, "flags", "+pass1", AV_DICT_APPEND); + } + if (do_pass & 2) { + video_enc->flags |= AV_CODEC_FLAG_PASS2; + av_dict_set(&ost->encoder_opts, "flags", "+pass2", AV_DICT_APPEND); + } + } + + MATCH_PER_STREAM_OPT(passlogfiles, str, ost->logfile_prefix, oc, st); + if (ost->logfile_prefix && + !(ost->logfile_prefix = av_strdup(ost->logfile_prefix))) + exit_program(1); + + if (do_pass) { + char logfilename[1024]; + FILE *f; + + snprintf(logfilename, sizeof(logfilename), "%s-%d.log", + ost->logfile_prefix ? ost->logfile_prefix : + DEFAULT_PASS_LOGFILENAME_PREFIX, + i); + if (!strcmp(ost->enc->name, "libx264")) { + av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); + } else { + if (video_enc->flags & AV_CODEC_FLAG_PASS2) { + char *logbuffer = read_file(logfilename); + + if (!logbuffer) { + av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", + logfilename); + exit_program(1); + } + video_enc->stats_in = logbuffer; + } + if (video_enc->flags & AV_CODEC_FLAG_PASS1) { + f = av_fopen_utf8(logfilename, "wb"); + if (!f) { + av_log(NULL, AV_LOG_FATAL, + "Cannot write log file '%s' for pass-1 encoding: %s\n", + logfilename, strerror(errno)); + exit_program(1); + } + ost->logfile = f; + } + } + } + + MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st); + if (ost->forced_keyframes) + ost->forced_keyframes = av_strdup(ost->forced_keyframes); + + MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st); + + ost->top_field_first = -1; + MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st); + + + ost->avfilter = get_ost_filters(o, oc, ost); + if (!ost->avfilter) + exit_program(1); + } else { + MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st); + } + + if (ost->stream_copy) + check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_VIDEO); + + return ost; +} + +static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index) +{ + int n; + AVStream *st; + OutputStream *ost; + AVCodecContext *audio_enc; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index); + st = ost->st; + + audio_enc = ost->enc_ctx; + audio_enc->codec_type = AVMEDIA_TYPE_AUDIO; + + MATCH_PER_STREAM_OPT(filter_scripts, str, ost->filters_script, oc, st); + MATCH_PER_STREAM_OPT(filters, str, ost->filters, oc, st); + + if (!ost->stream_copy) { + char *sample_fmt = NULL; + + MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st); + + MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st); + if (sample_fmt && + (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) { + av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt); + exit_program(1); + } + + MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st); + + MATCH_PER_STREAM_OPT(apad, str, ost->apad, oc, st); + ost->apad = av_strdup(ost->apad); + + ost->avfilter = get_ost_filters(o, oc, ost); + if (!ost->avfilter) + exit_program(1); + + /* check for channel mapping for this audio stream */ + for (n = 0; n < o->nb_audio_channel_maps; n++) { + AudioChannelMap *map = &o->audio_channel_maps[n]; + if ((map->ofile_idx == -1 || ost->file_index == map->ofile_idx) && + (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) { + InputStream *ist; + + if (map->channel_idx == -1) { + ist = NULL; + } else if (ost->source_index < 0) { + av_log(NULL, AV_LOG_FATAL, "Cannot determine input stream for channel mapping %d.%d\n", + ost->file_index, ost->st->index); + continue; + } else { + ist = input_streams[ost->source_index]; + } + + if (!ist || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) { + if (av_reallocp_array(&ost->audio_channels_map, + ost->audio_channels_mapped + 1, + sizeof(*ost->audio_channels_map) + ) < 0 ) + exit_program(1); + + ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx; + } + } + } + } + + if (ost->stream_copy) + check_streamcopy_filters(o, oc, ost, AVMEDIA_TYPE_AUDIO); + + return ost; +} + +static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index) +{ + OutputStream *ost; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index); + if (!ost->stream_copy) { + av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n"); + exit_program(1); + } + + return ost; +} + +static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index) +{ + OutputStream *ost; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index); + if (!ost->stream_copy) { + av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n"); + exit_program(1); + } + + return ost; +} + +static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index) +{ + OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index); + ost->stream_copy = 1; + ost->finished = 1; + return ost; +} + +static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index) +{ + AVStream *st; + OutputStream *ost; + AVCodecContext *subtitle_enc; + + ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index); + st = ost->st; + subtitle_enc = ost->enc_ctx; + + subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE; + + MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st); + + if (!ost->stream_copy) { + char *frame_size = NULL; + + MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st); + if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) { + av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size); + exit_program(1); + } + } + + return ost; +} + +/* arg format is "output-stream-index:streamid-value". */ +static int opt_streamid(void *optctx, const char *opt, const char *arg) +{ + OptionsContext *o = optctx; + int idx; + 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); + exit_program(1); + } + *p++ = '\0'; + idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1); + o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1); + o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX); + return 0; +} + +static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata) +{ + AVFormatContext *is = ifile->ctx; + AVFormatContext *os = ofile->ctx; + AVChapter **tmp; + int i; + + tmp = av_realloc_f(os->chapters, is->nb_chapters + os->nb_chapters, sizeof(*os->chapters)); + if (!tmp) + return AVERROR(ENOMEM); + os->chapters = tmp; + + for (i = 0; i < is->nb_chapters; i++) { + AVChapter *in_ch = is->chapters[i], *out_ch; + int64_t start_time = (ofile->start_time == AV_NOPTS_VALUE) ? 0 : ofile->start_time; + int64_t ts_off = av_rescale_q(start_time - ifile->ts_offset, + AV_TIME_BASE_Q, in_ch->time_base); + int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX : + av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base); + + + if (in_ch->end < ts_off) + continue; + if (rt != INT64_MAX && in_ch->start > rt + ts_off) + break; + + out_ch = av_mallocz(sizeof(AVChapter)); + if (!out_ch) + return AVERROR(ENOMEM); + + out_ch->id = in_ch->id; + out_ch->time_base = in_ch->time_base; + out_ch->start = FFMAX(0, in_ch->start - ts_off); + out_ch->end = FFMIN(rt, in_ch->end - ts_off); + + if (copy_metadata) + av_dict_copy(&out_ch->metadata, in_ch->metadata, 0); + + os->chapters[os->nb_chapters++] = out_ch; + } + return 0; +} + +static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename) +{ + int i, err; + AVFormatContext *ic = avformat_alloc_context(); + + ic->interrupt_callback = int_cb; + err = avformat_open_input(&ic, filename, NULL, NULL); + if (err < 0) + return err; + /* copy stream format */ + for(i=0;i<ic->nb_streams;i++) { + AVStream *st; + OutputStream *ost; + AVCodec *codec; + const char *enc_config; + + codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id); + if (!codec) { + av_log(s, AV_LOG_ERROR, "no encoder found for codec id %i\n", ic->streams[i]->codec->codec_id); + return AVERROR(EINVAL); + } + if (codec->type == AVMEDIA_TYPE_AUDIO) + opt_audio_codec(o, "c:a", codec->name); + else if (codec->type == AVMEDIA_TYPE_VIDEO) + opt_video_codec(o, "c:v", codec->name); + ost = new_output_stream(o, s, codec->type, -1); + st = ost->st; + + avcodec_get_context_defaults3(st->codec, codec); + enc_config = av_stream_get_recommended_encoder_configuration(ic->streams[i]); + if (enc_config) { + AVDictionary *opts = NULL; + av_dict_parse_string(&opts, enc_config, "=", ",", 0); + av_opt_set_dict2(st->codec, &opts, AV_OPT_SEARCH_CHILDREN); + av_dict_free(&opts); + } + + if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy) + choose_sample_fmt(st, codec); + else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy) + choose_pixel_fmt(st, st->codec, codec, st->codec->pix_fmt); + avcodec_copy_context(ost->enc_ctx, st->codec); + if (enc_config) + av_dict_parse_string(&ost->encoder_opts, enc_config, "=", ",", 0); + } + + avformat_close_input(&ic); + return err; +} + +static void init_output_filter(OutputFilter *ofilter, OptionsContext *o, + AVFormatContext *oc) +{ + OutputStream *ost; + + switch (ofilter->type) { + case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break; + case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break; + default: + av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported " + "currently.\n"); + exit_program(1); + } + + ost->source_index = -1; + ost->filter = ofilter; + + ofilter->ost = ost; + + if (ost->stream_copy) { + av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, " + "which is fed from a complex filtergraph. Filtering and streamcopy " + "cannot be used together.\n", ost->file_index, ost->index); + exit_program(1); + } + + if (ost->avfilter && (ost->filters || ost->filters_script)) { + const char *opt = ost->filters ? "-vf/-af/-filter" : "-filter_script"; + av_log(NULL, AV_LOG_ERROR, + "%s '%s' was specified through the %s option " + "for output stream %d:%d, which is fed from a complex filtergraph.\n" + "%s and -filter_complex cannot be used together for the same stream.\n", + ost->filters ? "Filtergraph" : "Filtergraph script", + ost->filters ? ost->filters : ost->filters_script, + opt, ost->file_index, ost->index, opt); + exit_program(1); + } + + avfilter_inout_free(&ofilter->out_tmp); +} + +static int init_complex_filters(void) +{ + int i, ret = 0; + + for (i = 0; i < nb_filtergraphs; i++) { + ret = init_complex_filtergraph(filtergraphs[i]); + if (ret < 0) + return ret; + } + return 0; +} + +static int configure_complex_filters(void) +{ + int i, ret = 0; + + for (i = 0; i < nb_filtergraphs; i++) + if (!filtergraphs[i]->graph && + (ret = configure_filtergraph(filtergraphs[i])) < 0) + return ret; + return 0; +} + +static int open_output_file(OptionsContext *o, const char *filename) +{ + AVFormatContext *oc; + int i, j, err; + AVOutputFormat *file_oformat; + OutputFile *of; + OutputStream *ost; + InputStream *ist; + AVDictionary *unused_opts = NULL; + AVDictionaryEntry *e = NULL; + + + if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) { + o->stop_time = INT64_MAX; + av_log(NULL, AV_LOG_WARNING, "-t and -to cannot be used together; using -t.\n"); + } + + if (o->stop_time != INT64_MAX && o->recording_time == INT64_MAX) { + int64_t start_time = o->start_time == AV_NOPTS_VALUE ? 0 : o->start_time; + if (o->stop_time <= start_time) { + av_log(NULL, AV_LOG_ERROR, "-to value smaller than -ss; aborting.\n"); + exit_program(1); + } else { + o->recording_time = o->stop_time - start_time; + } + } + + GROW_ARRAY(output_files, nb_output_files); + of = av_mallocz(sizeof(*of)); + if (!of) + exit_program(1); + output_files[nb_output_files - 1] = of; + + of->ost_index = nb_output_streams; + of->recording_time = o->recording_time; + of->start_time = o->start_time; + of->limit_filesize = o->limit_filesize; + of->shortest = o->shortest; + av_dict_copy(&of->opts, o->g->format_opts, 0); + + if (!strcmp(filename, "-")) + filename = "pipe:"; + + err = avformat_alloc_output_context2(&oc, NULL, o->format, filename); + if (!oc) { + print_error(filename, err); + exit_program(1); + } + + of->ctx = oc; + if (o->recording_time != INT64_MAX) + oc->duration = o->recording_time; + + file_oformat= oc->oformat; + oc->interrupt_callback = int_cb; + + /* create streams for all unlabeled output pads */ + for (i = 0; i < nb_filtergraphs; i++) { + FilterGraph *fg = filtergraphs[i]; + for (j = 0; j < fg->nb_outputs; j++) { + OutputFilter *ofilter = fg->outputs[j]; + + if (!ofilter->out_tmp || ofilter->out_tmp->name) + continue; + + switch (ofilter->type) { + case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break; + case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break; + case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break; + } + init_output_filter(ofilter, o, oc); + } + } + + /* ffserver seeking with date=... needs a date reference */ + if (!strcmp(file_oformat->name, "ffm") && + av_strstart(filename, "http:", NULL)) { + int err = parse_option(o, "metadata", "creation_time=now", options); + if (err < 0) { + print_error(filename, err); + exit_program(1); + } + } + + if (!strcmp(file_oformat->name, "ffm") && !override_ffserver && + av_strstart(filename, "http:", NULL)) { + int j; + /* special case for files sent to ffserver: we get the stream + parameters from ffserver */ + int err = read_ffserver_streams(o, oc, filename); + if (err < 0) { + print_error(filename, err); + exit_program(1); + } + for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) { + ost = output_streams[j]; + for (i = 0; i < nb_input_streams; i++) { + ist = input_streams[i]; + if(ist->st->codec->codec_type == ost->st->codec->codec_type){ + ost->sync_ist= ist; + ost->source_index= i; + if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull"); + if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null"); + ist->discard = 0; + ist->st->discard = ist->user_set_discard; + break; + } + } + if(!ost->sync_ist){ + 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)); + exit_program(1); + } + } + } else if (!o->nb_stream_maps) { + char *subtitle_codec_name = NULL; + /* pick the "best" stream of each type */ + + /* video: highest resolution */ + if (!o->video_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO) != AV_CODEC_ID_NONE) { + int area = 0, idx = -1; + int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0); + for (i = 0; i < nb_input_streams; i++) { + int new_area; + ist = input_streams[i]; + new_area = ist->st->codec->width * ist->st->codec->height + 100000000*!!ist->st->codec_info_nb_frames; + if((qcr!=MKTAG('A', 'P', 'I', 'C')) && (ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC)) + new_area = 1; + if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && + new_area > area) { + if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC)) + continue; + area = new_area; + idx = i; + } + } + if (idx >= 0) + new_video_stream(o, oc, idx); + } + + /* audio: most channels */ + if (!o->audio_disable && av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_AUDIO) != AV_CODEC_ID_NONE) { + int best_score = 0, idx = -1; + for (i = 0; i < nb_input_streams; i++) { + int score; + ist = input_streams[i]; + score = ist->st->codec->channels + 100000000*!!ist->st->codec_info_nb_frames; + if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && + score > best_score) { + best_score = score; + idx = i; + } + } + if (idx >= 0) + new_audio_stream(o, oc, idx); + } + + /* subtitles: pick first */ + MATCH_PER_TYPE_OPT(codec_names, str, subtitle_codec_name, oc, "s"); + if (!o->subtitle_disable && (avcodec_find_encoder(oc->oformat->subtitle_codec) || subtitle_codec_name)) { + for (i = 0; i < nb_input_streams; i++) + if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { + AVCodecDescriptor const *input_descriptor = + avcodec_descriptor_get(input_streams[i]->st->codec->codec_id); + AVCodecDescriptor const *output_descriptor = NULL; + AVCodec const *output_codec = + avcodec_find_encoder(oc->oformat->subtitle_codec); + int input_props = 0, output_props = 0; + if (output_codec) + output_descriptor = avcodec_descriptor_get(output_codec->id); + if (input_descriptor) + input_props = input_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB); + if (output_descriptor) + output_props = output_descriptor->props & (AV_CODEC_PROP_TEXT_SUB | AV_CODEC_PROP_BITMAP_SUB); + if (subtitle_codec_name || + input_props & output_props || + // Map dvb teletext which has neither property to any output subtitle encoder + input_descriptor && output_descriptor && + (!input_descriptor->props || + !output_descriptor->props)) { + new_subtitle_stream(o, oc, i); + break; + } + } + } + /* Data only if codec id match */ + if (!o->data_disable ) { + enum AVCodecID codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_DATA); + for (i = 0; codec_id != AV_CODEC_ID_NONE && i < nb_input_streams; i++) { + if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_DATA + && input_streams[i]->st->codec->codec_id == codec_id ) + new_data_stream(o, oc, i); + } + } + } else { + for (i = 0; i < o->nb_stream_maps; i++) { + StreamMap *map = &o->stream_maps[i]; + + if (map->disabled) + continue; + + if (map->linklabel) { + FilterGraph *fg; + OutputFilter *ofilter = NULL; + int j, k; + + for (j = 0; j < nb_filtergraphs; j++) { + fg = filtergraphs[j]; + for (k = 0; k < fg->nb_outputs; k++) { + AVFilterInOut *out = fg->outputs[k]->out_tmp; + if (out && !strcmp(out->name, map->linklabel)) { + ofilter = fg->outputs[k]; + goto loop_end; + } + } + } +loop_end: + if (!ofilter) { + av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist " + "in any defined filter graph, or was already used elsewhere.\n", map->linklabel); + exit_program(1); + } + init_output_filter(ofilter, o, oc); + } else { + int src_idx = input_files[map->file_index]->ist_index + map->stream_index; + + ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index]; + if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) + continue; + if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) + continue; + if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) + continue; + if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA) + continue; + + ost = NULL; + switch (ist->st->codec->codec_type) { + case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break; + case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break; + case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break; + case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break; + case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break; + case AVMEDIA_TYPE_UNKNOWN: + if (copy_unknown_streams) { + ost = new_unknown_stream (o, oc, src_idx); + break; + } + default: + av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL, + "Cannot map stream #%d:%d - unsupported type.\n", + map->file_index, map->stream_index); + if (!ignore_unknown_streams) { + av_log(NULL, AV_LOG_FATAL, + "If you want unsupported types ignored instead " + "of failing, please use the -ignore_unknown option\n" + "If you want them copied, please use -copy_unknown\n"); + exit_program(1); + } + } + if (ost) + ost->sync_ist = input_streams[ input_files[map->sync_file_index]->ist_index + + map->sync_stream_index]; + } + } + } + + /* handle attached files */ + for (i = 0; i < o->nb_attachments; i++) { + AVIOContext *pb; + uint8_t *attachment; + const char *p; + int64_t len; + + if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) { + av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n", + o->attachments[i]); + exit_program(1); + } + if ((len = avio_size(pb)) <= 0) { + av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n", + o->attachments[i]); + exit_program(1); + } + if (!(attachment = av_malloc(len))) { + av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n", + o->attachments[i]); + exit_program(1); + } + avio_read(pb, attachment, len); + + ost = new_attachment_stream(o, oc, -1); + ost->stream_copy = 1; + ost->attachment_filename = o->attachments[i]; + ost->finished = 1; + ost->st->codec->extradata = attachment; + ost->st->codec->extradata_size = len; + + p = strrchr(o->attachments[i], '/'); + av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE); + avio_closep(&pb); + } + + for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file + AVDictionaryEntry *e; + ost = output_streams[i]; + + if ((ost->stream_copy || ost->attachment_filename) + && (e = av_dict_get(o->g->codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX)) + && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6))) + if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0) + exit_program(1); + } + + if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { + av_dump_format(oc, nb_output_files - 1, oc->filename, 1); + av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", nb_output_files - 1); + exit_program(1); + } + + /* check if all codec options have been used */ + unused_opts = strip_specifiers(o->g->codec_opts); + for (i = of->ost_index; i < nb_output_streams; i++) { + e = NULL; + while ((e = av_dict_get(output_streams[i]->encoder_opts, "", e, + AV_DICT_IGNORE_SUFFIX))) + av_dict_set(&unused_opts, e->key, NULL, 0); + } + + e = NULL; + while ((e = av_dict_get(unused_opts, "", e, AV_DICT_IGNORE_SUFFIX))) { + const AVClass *class = avcodec_get_class(); + const AVOption *option = av_opt_find(&class, e->key, NULL, 0, + AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); + const AVClass *fclass = avformat_get_class(); + const AVOption *foption = av_opt_find(&fclass, e->key, NULL, 0, + AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ); + if (!option || foption) + continue; + + + if (!(option->flags & AV_OPT_FLAG_ENCODING_PARAM)) { + av_log(NULL, AV_LOG_ERROR, "Codec AVOption %s (%s) specified for " + "output file #%d (%s) is not an encoding option.\n", e->key, + option->help ? option->help : "", nb_output_files - 1, + filename); + exit_program(1); + } + + // gop_timecode is injected by generic code but not always used + if (!strcmp(e->key, "gop_timecode")) + continue; + + av_log(NULL, AV_LOG_WARNING, "Codec AVOption %s (%s) specified for " + "output file #%d (%s) has not been used for any stream. The most " + "likely reason is either wrong type (e.g. a video option with " + "no video streams) or that it is a private option of some encoder " + "which was not actually used for any stream.\n", e->key, + option->help ? option->help : "", nb_output_files - 1, filename); + } + av_dict_free(&unused_opts); + + /* set the encoding/decoding_needed flags */ + for (i = of->ost_index; i < nb_output_streams; i++) { + OutputStream *ost = output_streams[i]; + + ost->encoding_needed = !ost->stream_copy; + if (ost->encoding_needed && ost->source_index >= 0) { + InputStream *ist = input_streams[ost->source_index]; + ist->decoding_needed |= DECODING_FOR_OST; + } + } + + /* check filename in case of an image number is expected */ + if (oc->oformat->flags & AVFMT_NEEDNUMBER) { + if (!av_filename_number_test(oc->filename)) { + print_error(oc->filename, AVERROR(EINVAL)); + exit_program(1); + } + } + + if (!(oc->oformat->flags & AVFMT_NOSTREAMS) && !input_stream_potentially_available) { + av_log(NULL, AV_LOG_ERROR, + "No input streams but output needs an input stream\n"); + exit_program(1); + } + + if (!(oc->oformat->flags & AVFMT_NOFILE)) { + /* test if it already exists to avoid losing precious files */ + assert_file_overwrite(filename); + + /* open the file */ + if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE, + &oc->interrupt_callback, + &of->opts)) < 0) { + print_error(filename, err); + exit_program(1); + } + } else if (strcmp(oc->oformat->name, "image2")==0 && !av_filename_number_test(filename)) + assert_file_overwrite(filename); + + if (o->mux_preload) { + av_dict_set_int(&of->opts, "preload", o->mux_preload*AV_TIME_BASE, 0); + } + oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE); + + /* copy metadata */ + for (i = 0; i < o->nb_metadata_map; i++) { + char *p; + int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0); + + if (in_file_index >= nb_input_files) { + av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index); + exit_program(1); + } + copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, + in_file_index >= 0 ? + input_files[in_file_index]->ctx : NULL, o); + } + + /* copy chapters */ + if (o->chapters_input_file >= nb_input_files) { + if (o->chapters_input_file == INT_MAX) { + /* copy chapters from the first input file that has them*/ + o->chapters_input_file = -1; + for (i = 0; i < nb_input_files; i++) + if (input_files[i]->ctx->nb_chapters) { + o->chapters_input_file = i; + break; + } + } else { + av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n", + o->chapters_input_file); + exit_program(1); + } + } + if (o->chapters_input_file >= 0) + copy_chapters(input_files[o->chapters_input_file], of, + !o->metadata_chapters_manual); + + /* copy global metadata by default */ + if (!o->metadata_global_manual && nb_input_files){ + av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata, + AV_DICT_DONT_OVERWRITE); + if(o->recording_time != INT64_MAX) + av_dict_set(&oc->metadata, "duration", NULL, 0); + av_dict_set(&oc->metadata, "creation_time", NULL, 0); + } + if (!o->metadata_streams_manual) + for (i = of->ost_index; i < nb_output_streams; i++) { + InputStream *ist; + if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */ + continue; + ist = input_streams[output_streams[i]->source_index]; + av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE); + if (!output_streams[i]->stream_copy) { + av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0); + if (ist->autorotate) + av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0); + } + } + + /* process manually set metadata */ + for (i = 0; i < o->nb_metadata; i++) { + AVDictionary **m; + char type, *val; + const char *stream_spec; + int index = 0, j, ret = 0; + char now_time[256]; + + val = strchr(o->metadata[i].u.str, '='); + if (!val) { + av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n", + o->metadata[i].u.str); + exit_program(1); + } + *val++ = 0; + + if (!strcmp(o->metadata[i].u.str, "creation_time") && + !strcmp(val, "now")) { + time_t now = time(0); + struct tm *ptm, tmbuf; + ptm = localtime_r(&now, &tmbuf); + if (ptm) { + if (strftime(now_time, sizeof(now_time), "%Y-%m-%d %H:%M:%S", ptm)) + val = now_time; + } + } + + parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec); + if (type == 's') { + for (j = 0; j < oc->nb_streams; j++) { + ost = output_streams[nb_output_streams - oc->nb_streams + j]; + if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) { + av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0); + if (!strcmp(o->metadata[i].u.str, "rotate")) { + ost->rotate_overridden = 1; + } + } else if (ret < 0) + exit_program(1); + } + } + else { + switch (type) { + case 'g': + m = &oc->metadata; + break; + case 'c': + if (index < 0 || index >= oc->nb_chapters) { + av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index); + exit_program(1); + } + m = &oc->chapters[index]->metadata; + break; + default: + av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier); + exit_program(1); + } + av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0); + } + } + + return 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, fr; + for (j = 0; j < nb_input_files; j++) { + for (i = 0; i < input_files[j]->nb_streams; i++) { + AVCodecContext *c = input_files[j]->ctx->streams[i]->codec; + if (c->codec_type != AVMEDIA_TYPE_VIDEO || + !c->time_base.num) + continue; + fr = c->time_base.den * 1000 / c->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"); + exit_program(1); + } + + 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)); + exit_program(1); + } + + 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; + + tmp_line[0] = *opt; + tmp_line[1] = 0; + MATCH_PER_TYPE_OPT(codec_names, str, codec_name, NULL, tmp_line); + + 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); + exit_program(1); + } + + 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); + exit_program(1); + } + 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); + exit_program(1); + } + } + + fclose(f); + + return 0; +} + +static int opt_old2new(void *optctx, const char *opt, const char *arg) +{ + OptionsContext *o = optctx; + char *s = av_asprintf("%s:%c", opt + 1, *opt); + int 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); + 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); +} + +static int opt_vsync(void *optctx, const char *opt, const char *arg) +{ + if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR; + else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR; + else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH; + else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP; + + if (video_sync_method == VSYNC_AUTO) + video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR); + return 0; +} + +static int opt_timecode(void *optctx, const char *opt, const char *arg) +{ + OptionsContext *o = optctx; + char *tcr = av_asprintf("timecode=%s", arg); + int 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 0; +} + +static int opt_channel_layout(void *optctx, const char *opt, const char *arg) +{ + OptionsContext *o = optctx; + char layout_str[32]; + char *stream_str; + char *ac_str; + int ret, channels, ac_str_size; + uint64_t layout; + + layout = av_get_channel_layout(arg); + if (!layout) { + av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg); + return AVERROR(EINVAL); + } + snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout); + ret = opt_default_new(o, opt, layout_str); + if (ret < 0) + return ret; + + /* set 'ac' option based on channel layout */ + channels = av_get_channel_layout_nb_channels(layout); + snprintf(layout_str, sizeof(layout_str), "%d", channels); + stream_str = strchr(opt, ':'); + ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0); + ac_str = av_mallocz(ac_str_size); + if (!ac_str) + return AVERROR(ENOMEM); + av_strlcpy(ac_str, "ac", 3); + if (stream_str) + av_strlcat(ac_str, stream_str, ac_str_size); + ret = parse_option(o, ac_str, layout_str, options); + av_free(ac_str); + + 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) +{ + GROW_ARRAY(filtergraphs, nb_filtergraphs); + if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) + return AVERROR(ENOMEM); + filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; + filtergraphs[nb_filtergraphs - 1]->graph_desc = av_strdup(arg); + if (!filtergraphs[nb_filtergraphs - 1]->graph_desc) + return AVERROR(ENOMEM); + + input_stream_potentially_available = 1; + + return 0; +} + +static int opt_filter_complex_script(void *optctx, const char *opt, const char *arg) +{ + uint8_t *graph_desc = read_file(arg); + if (!graph_desc) + return AVERROR(EINVAL); + + GROW_ARRAY(filtergraphs, nb_filtergraphs); + if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0])))) + return AVERROR(ENOMEM); + filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1; + filtergraphs[nb_filtergraphs - 1]->graph_desc = graph_desc; + + input_stream_potentially_available = 1; + + return 0; +} + +void show_help_default(const char *opt, const char *arg) +{ + /* per-file options have at least one of those set */ + const int per_file = OPT_SPEC | OPT_OFFSET | OPT_PERFILE; + 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\n" + " See man %s for detailed description of the options.\n" + "\n", program_name); + + show_help_options(options, "Print help / information / capabilities:", + OPT_EXIT, 0, 0); + + show_help_options(options, "Global options (affect whole program " + "instead of just one file:", + 0, per_file | OPT_EXIT | OPT_EXPERT, 0); + if (show_advanced) + show_help_options(options, "Advanced global options:", OPT_EXPERT, + per_file | OPT_EXIT, 0); + + show_help_options(options, "Per-file main options:", 0, + OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | + OPT_EXIT, per_file); + if (show_advanced) + show_help_options(options, "Advanced per-file options:", + OPT_EXPERT, OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE, per_file); + + show_help_options(options, "Video options:", + OPT_VIDEO, OPT_EXPERT | OPT_AUDIO, 0); + if (show_advanced) + show_help_options(options, "Advanced Video options:", + OPT_EXPERT | OPT_VIDEO, OPT_AUDIO, 0); + + show_help_options(options, "Audio options:", + OPT_AUDIO, OPT_EXPERT | OPT_VIDEO, 0); + if (show_advanced) + show_help_options(options, "Advanced Audio options:", + OPT_EXPERT | OPT_AUDIO, OPT_VIDEO, 0); + show_help_options(options, "Subtitle options:", + OPT_SUBTITLE, 0, 0); + 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 + show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM); + show_help_children(avfilter_get_class(), AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_FILTERING_PARAM); + } +} + +void show_usage(void) +{ + av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\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, +}; + +static const OptionGroupDef groups[] = { + [GROUP_OUTFILE] = { "output file", NULL, OPT_OUTPUT }, + [GROUP_INFILE] = { "input file", "i", OPT_INPUT }, +}; + +static int open_files(OptionGroupList *l, const char *inout, + int (*open_file)(OptionsContext*, const char*)) +{ + 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); + if (ret < 0) { + av_log(NULL, AV_LOG_ERROR, "Error parsing options for %s file " + "%s.\n", inout, g->arg); + return ret; + } + + av_log(NULL, AV_LOG_DEBUG, "Opening an %s file: %s.\n", inout, g->arg); + ret = open_file(&o, g->arg); + 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) +{ + OptionParseContext octx; + uint8_t error[128]; + 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) { + av_log(NULL, AV_LOG_FATAL, "Error splitting the argument list: "); + goto fail; + } + + /* apply global options */ + ret = parse_optgroup(NULL, &octx.global_opts); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Error parsing global options: "); + goto fail; + } + + /* open input files */ + ret = open_files(&octx.groups[GROUP_INFILE], "input", open_input_file); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Error opening input files: "); + goto fail; + } + + /* create the complex filtergraphs */ + ret = init_complex_filters(); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Error initializing complex filters.\n"); + goto fail; + } + + /* open output files */ + ret = open_files(&octx.groups[GROUP_OUTFILE], "output", open_output_file); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Error opening output files: "); + goto fail; + } + + /* configure the complex filtergraphs */ + ret = configure_complex_filters(); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Error configuring complex filters.\n"); + goto fail; + } + +fail: + uninit_parse_context(&octx); + if (ret < 0) { + av_strerror(ret, error, sizeof(error)); + av_log(NULL, AV_LOG_FATAL, "%s\n", error); + } + 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; +} + +#define OFFSET(x) offsetof(OptionsContext, x) +const OptionDef options[] = { + /* main options */ +#include "cmdutils_common_opts.h" + { "f", HAS_ARG | OPT_STRING | OPT_OFFSET | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(format) }, + "force format", "fmt" }, + { "y", OPT_BOOL, { &file_overwrite }, + "overwrite output files" }, + { "n", OPT_BOOL, { &no_file_overwrite }, + "never overwrite output files" }, + { "ignore_unknown", OPT_BOOL, { &ignore_unknown_streams }, + "Ignore unknown stream types" }, + { "copy_unknown", OPT_BOOL | OPT_EXPERT, { ©_unknown_streams }, + "Copy unknown stream types" }, + { "c", HAS_ARG | OPT_STRING | OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) }, + "codec name", "codec" }, + { "codec", HAS_ARG | OPT_STRING | OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(codec_names) }, + "codec name", "codec" }, + { "pre", HAS_ARG | OPT_STRING | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(presets) }, + "preset name", "preset" }, + { "map", HAS_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_channel", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_map_channel }, + "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" }, + { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(metadata_map) }, + "set metadata information of outfile from infile", + "outfile[,metadata]:infile[,metadata]" }, + { "map_chapters", HAS_ARG | OPT_INT | OPT_EXPERT | OPT_OFFSET | + OPT_OUTPUT, { .off = OFFSET(chapters_input_file) }, + "set chapters mapping", "input_file_index" }, + { "t", HAS_ARG | OPT_TIME | OPT_OFFSET | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(recording_time) }, + "record or transcode \"duration\" seconds of audio/video", + "duration" }, + { "to", HAS_ARG | OPT_TIME | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(stop_time) }, + "record or transcode stop time", "time_stop" }, + { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(limit_filesize) }, + "set the limit file size in bytes", "limit_size" }, + { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time) }, + "set the start time offset", "time_off" }, + { "sseof", HAS_ARG | OPT_TIME | OPT_OFFSET | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(start_time_eof) }, + "set the start time offset relative to EOF", "time_off" }, + { "seek_timestamp", HAS_ARG | OPT_INT | OPT_OFFSET | + OPT_INPUT, { .off = OFFSET(seek_timestamp) }, + "enable/disable seeking by timestamp with -ss" }, + { "accurate_seek", OPT_BOOL | OPT_OFFSET | OPT_EXPERT | + OPT_INPUT, { .off = OFFSET(accurate_seek) }, + "enable/disable accurate seeking with -ss" }, + { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET | + OPT_EXPERT | OPT_INPUT, { .off = OFFSET(input_ts_offset) }, + "set the input ts offset", "time_off" }, + { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC | + OPT_EXPERT | OPT_INPUT, { .off = OFFSET(ts_scale) }, + "set the input ts scale", "scale" }, + { "timestamp", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_recording_timestamp }, + "set the recording timestamp ('now' to set the current time)", "time" }, + { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) }, + "add metadata", "string=string" }, + { "dframes", HAS_ARG | OPT_PERFILE | OPT_EXPERT | + OPT_OUTPUT, { .func_arg = opt_data_frames }, + "set the number of data frames to output", "number" }, + { "benchmark", OPT_BOOL | OPT_EXPERT, { &do_benchmark }, + "add timings for benchmarking" }, + { "benchmark_all", OPT_BOOL | OPT_EXPERT, { &do_benchmark_all }, + "add timings for each task" }, + { "progress", HAS_ARG | OPT_EXPERT, { .func_arg = opt_progress }, + "write program-readable progress information", "url" }, + { "stdin", OPT_BOOL | OPT_EXPERT, { &stdin_interaction }, + "enable or disable interaction on standard input" }, + { "timelimit", HAS_ARG | OPT_EXPERT, { .func_arg = opt_timelimit }, + "set max runtime in seconds", "limit" }, + { "dump", OPT_BOOL | OPT_EXPERT, { &do_pkt_dump }, + "dump each input packet" }, + { "hex", OPT_BOOL | OPT_EXPERT, { &do_hex_dump }, + "when dumping packets, also dump the payload" }, + { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET | + OPT_INPUT, { .off = OFFSET(rate_emu) }, + "read input at native frame rate", "" }, + { "target", HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_target }, + "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\" or \"dv50\" " + "with optional prefixes \"pal-\", \"ntsc-\" or \"film-\")", "type" }, + { "vsync", HAS_ARG | OPT_EXPERT, { opt_vsync }, + "video sync method", "" }, + { "frame_drop_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &frame_drop_threshold }, + "frame drop threshold", "" }, + { "async", HAS_ARG | OPT_INT | OPT_EXPERT, { &audio_sync_method }, + "audio sync method", "" }, + { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &audio_drift_threshold }, + "audio drift threshold", "threshold" }, + { "copyts", OPT_BOOL | OPT_EXPERT, { ©_ts }, + "copy timestamps" }, + { "start_at_zero", OPT_BOOL | OPT_EXPERT, { &start_at_zero }, + "shift input timestamps to start at 0 when using copyts" }, + { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, { ©_tb }, + "copy input stream time base when stream copying", "mode" }, + { "shortest", OPT_BOOL | OPT_EXPERT | OPT_OFFSET | + OPT_OUTPUT, { .off = OFFSET(shortest) }, + "finish encoding within shortest input" }, + { "apad", OPT_STRING | HAS_ARG | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(apad) }, + "audio pad", "" }, + { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_delta_threshold }, + "timestamp discontinuity delta threshold", "threshold" }, + { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, { &dts_error_threshold }, + "timestamp error delta threshold", "threshold" }, + { "xerror", OPT_BOOL | OPT_EXPERT, { &exit_on_error }, + "exit on error", "error" }, + { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(copy_initial_nonkeyframes) }, + "copy initial non-keyframes" }, + { "copypriorss", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(copy_prior_start) }, + "copy or discard frames before start time" }, + { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) }, + "set the number of frames to output", "number" }, + { "tag", OPT_STRING | HAS_ARG | OPT_SPEC | + OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) }, + "force codec tag/fourcc", "fourcc/tag" }, + { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | + OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) }, + "use fixed quality scale (VBR)", "q" }, + { "qscale", HAS_ARG | OPT_EXPERT | OPT_PERFILE | + OPT_OUTPUT, { .func_arg = opt_qscale }, + "use fixed quality scale (VBR)", "q" }, + { "profile", HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_profile }, + "set profile", "profile" }, + { "filter", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filters) }, + "set stream filtergraph", "filter_graph" }, + { "filter_script", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(filter_scripts) }, + "read stream filtergraph description from a file", "filename" }, + { "reinit_filter", HAS_ARG | OPT_INT | OPT_SPEC | OPT_INPUT, { .off = OFFSET(reinit_filters) }, + "reinit filtergraph on input parameter changes", "" }, + { "filter_complex", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex }, + "create a complex filtergraph", "graph_description" }, + { "lavfi", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex }, + "create a complex filtergraph", "graph_description" }, + { "filter_complex_script", HAS_ARG | OPT_EXPERT, { .func_arg = opt_filter_complex_script }, + "read complex filtergraph description from a file", "filename" }, + { "stats", OPT_BOOL, { &print_stats }, + "print progress report during encoding", }, + { "attach", HAS_ARG | OPT_PERFILE | OPT_EXPERT | + OPT_OUTPUT, { .func_arg = opt_attach }, + "add an attachment to the output file", "filename" }, + { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC | + OPT_EXPERT | OPT_INPUT, { .off = OFFSET(dump_attachment) }, + "extract an attachment into a file", "filename" }, + { "loop", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_INPUT | + OPT_OFFSET, { .off = OFFSET(loop) }, "set number of times input stream shall be looped", "loop count" }, + { "debug_ts", OPT_BOOL | OPT_EXPERT, { &debug_ts }, + "print timestamp debugging info" }, + { "max_error_rate", HAS_ARG | OPT_FLOAT, { &max_error_rate }, + "maximum error rate", "ratio of errors (0.0: no errors, 1.0: 100% errors) above which ffmpeg returns an error instead of success." }, + { "discard", OPT_STRING | HAS_ARG | OPT_SPEC | + OPT_INPUT, { .off = OFFSET(discard) }, + "discard", "" }, + { "disposition", OPT_STRING | HAS_ARG | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(disposition) }, + "disposition", "" }, + { "thread_queue_size", HAS_ARG | OPT_INT | OPT_OFFSET | OPT_EXPERT | OPT_INPUT, + { .off = OFFSET(thread_queue_size) }, + "set the maximum number of queued packets from the demuxer" }, + + /* video options */ + { "vframes", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_frames }, + "set the number of video frames to output", "number" }, + { "r", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_rates) }, + "set frame rate (Hz value, fraction or abbreviation)", "rate" }, + { "s", OPT_VIDEO | HAS_ARG | OPT_SUBTITLE | OPT_STRING | OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_sizes) }, + "set frame size (WxH or abbreviation)", "size" }, + { "aspect", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(frame_aspect_ratios) }, + "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" }, + { "pix_fmt", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(frame_pix_fmts) }, + "set pixel format", "format" }, + { "bits_per_raw_sample", OPT_VIDEO | OPT_INT | HAS_ARG, { &frame_bits_per_raw_sample }, + "set the number of bits per raw sample", "number" }, + { "intra", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &intra_only }, + "deprecated use -g 1" }, + { "vn", OPT_VIDEO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(video_disable) }, + "disable video" }, + { "rc_override", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(rc_overrides) }, + "rate control override for specific intervals", "override" }, + { "vcodec", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_INPUT | + OPT_OUTPUT, { .func_arg = opt_video_codec }, + "force video codec ('copy' to copy stream)", "codec" }, + { "sameq", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq }, + "Removed" }, + { "same_quant", OPT_VIDEO | OPT_EXPERT , { .func_arg = opt_sameq }, + "Removed" }, + { "timecode", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_timecode }, + "set initial TimeCode value.", "hh:mm:ss[:;.]ff" }, + { "pass", OPT_VIDEO | HAS_ARG | OPT_SPEC | OPT_INT | OPT_OUTPUT, { .off = OFFSET(pass) }, + "select the pass number (1 to 3)", "n" }, + { "passlogfile", OPT_VIDEO | HAS_ARG | OPT_STRING | OPT_EXPERT | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(passlogfiles) }, + "select two pass log file name prefix", "prefix" }, + { "deinterlace", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_deinterlace }, + "this option is deprecated, use the yadif filter instead" }, + { "psnr", OPT_VIDEO | OPT_BOOL | OPT_EXPERT, { &do_psnr }, + "calculate PSNR of compressed frames" }, + { "vstats", OPT_VIDEO | OPT_EXPERT , { &opt_vstats }, + "dump video coding statistics to file" }, + { "vstats_file", OPT_VIDEO | HAS_ARG | OPT_EXPERT , { opt_vstats_file }, + "dump video coding statistics to file", "file" }, + { "vf", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_video_filters }, + "set video filters", "filter_graph" }, + { "intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(intra_matrices) }, + "specify intra matrix coeffs", "matrix" }, + { "inter_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(inter_matrices) }, + "specify inter matrix coeffs", "matrix" }, + { "chroma_intra_matrix", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_STRING | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(chroma_intra_matrices) }, + "specify intra matrix coeffs", "matrix" }, + { "top", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_INT| OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(top_field_first) }, + "top=1/bottom=0/auto=-1 field first", "" }, + { "vtag", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | + OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_old2new }, + "force video tag/fourcc", "fourcc/tag" }, + { "qphist", OPT_VIDEO | OPT_BOOL | OPT_EXPERT , { &qp_hist }, + "show QP histogram" }, + { "force_fps", OPT_VIDEO | OPT_BOOL | OPT_EXPERT | OPT_SPEC | + OPT_OUTPUT, { .off = OFFSET(force_fps) }, + "force the selected framerate, disable the best supported framerate selection" }, + { "streamid", OPT_VIDEO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | + OPT_OUTPUT, { .func_arg = opt_streamid }, + "set the value of an outfile streamid", "streamIndex:value" }, + { "force_key_frames", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | + OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(forced_key_frames) }, + "force key frames at specified timestamps", "timestamps" }, + { "ab", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate }, + "audio bitrate (please use -b:a)", "bitrate" }, + { "b", OPT_VIDEO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_bitrate }, + "video bitrate (please use -b:v)", "bitrate" }, + { "hwaccel", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | + OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccels) }, + "use HW accelerated decoding", "hwaccel name" }, + { "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT | + OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) }, + "select a device for HW acceleration", "devicename" }, +#if HAVE_VDPAU_X11 + { "vdpau_api_ver", HAS_ARG | OPT_INT | OPT_EXPERT, { &vdpau_api_ver }, "" }, +#endif +#if CONFIG_VDA || CONFIG_VIDEOTOOLBOX + { "videotoolbox_pixfmt", HAS_ARG | OPT_STRING | OPT_EXPERT, { &videotoolbox_pixfmt}, "" }, +#endif + { "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels }, + "show available HW acceleration methods" }, + { "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC | + OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) }, + "automatically insert correct rotate filters" }, + + /* audio options */ + { "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames }, + "set the number of audio frames to output", "number" }, + { "aq", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_qscale }, + "set audio quality (codec-specific)", "quality", }, + { "ar", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_sample_rate) }, + "set audio sampling rate (in Hz)", "rate" }, + { "ac", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | + OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(audio_channels) }, + "set number of audio channels", "channels" }, + { "an", OPT_AUDIO | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT,{ .off = OFFSET(audio_disable) }, + "disable audio" }, + { "acodec", OPT_AUDIO | HAS_ARG | OPT_PERFILE | + OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_audio_codec }, + "force audio codec ('copy' to copy stream)", "codec" }, + { "atag", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | + OPT_OUTPUT, { .func_arg = opt_old2new }, + "force audio tag/fourcc", "fourcc/tag" }, + { "vol", OPT_AUDIO | HAS_ARG | OPT_INT, { &audio_volume }, + "change audio volume (256=normal)" , "volume" }, + { "sample_fmt", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_SPEC | + OPT_STRING | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(sample_fmts) }, + "set sample format", "format" }, + { "channel_layout", OPT_AUDIO | HAS_ARG | OPT_EXPERT | OPT_PERFILE | + OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_channel_layout }, + "set channel layout", "layout" }, + { "af", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_filters }, + "set audio filters", "filter_graph" }, + { "guess_layout_max", OPT_AUDIO | HAS_ARG | OPT_INT | OPT_SPEC | 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_SUBTITLE | OPT_BOOL | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(subtitle_disable) }, + "disable subtitle" }, + { "scodec", OPT_SUBTITLE | HAS_ARG | OPT_PERFILE | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_subtitle_codec }, + "force subtitle codec ('copy' to copy stream)", "codec" }, + { "stag", OPT_SUBTITLE | HAS_ARG | OPT_EXPERT | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new } + , "force subtitle tag/fourcc", "fourcc/tag" }, + { "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC | OPT_INPUT, { .off = OFFSET(fix_sub_duration) }, + "fix subtitles duration" }, + { "canvas_size", OPT_SUBTITLE | HAS_ARG | OPT_STRING | OPT_SPEC | OPT_INPUT, { .off = OFFSET(canvas_sizes) }, + "set canvas size (WxH or abbreviation)", "size" }, + + /* grab options */ + { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_channel }, + "deprecated, use -channel", "channel" }, + { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_video_standard }, + "deprecated, use -standard", "standard" }, + { "isync", OPT_BOOL | OPT_EXPERT, { &input_sync }, "this option is deprecated and does nothing", "" }, + + /* muxer options */ + { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_max_delay) }, + "set the maximum demux-decode delay", "seconds" }, + { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET | OPT_OUTPUT, { .off = OFFSET(mux_preload) }, + "set the initial demux-decode delay", "seconds" }, + { "override_ffserver", OPT_BOOL | OPT_EXPERT | OPT_OUTPUT, { &override_ffserver }, + "override the options from ffserver", "" }, + { "sdp_file", HAS_ARG | OPT_EXPERT | OPT_OUTPUT, { opt_sdp_file }, + "specify a file in which to print sdp information", "file" }, + + { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC | OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(bitstream_filters) }, + "A comma-separated list of bitstream filters", "bitstream_filters" }, + { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }, + "deprecated", "audio bitstream_filters" }, + { "vbsf", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_old2new }, + "deprecated", "video bitstream_filters" }, + + { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, + "set the audio options to the indicated preset", "preset" }, + { "vpre", OPT_VIDEO | HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, + "set the video options to the indicated preset", "preset" }, + { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, + "set the subtitle options to the indicated preset", "preset" }, + { "fpre", HAS_ARG | OPT_EXPERT| OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_preset }, + "set options from indicated preset file", "filename" }, + /* data codec support */ + { "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec }, + "force data codec ('copy' to copy stream)", "codec" }, + { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET | OPT_INPUT | OPT_OUTPUT, { .off = OFFSET(data_disable) }, + "disable data" }, + + { NULL, }, +}; |