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avconv: support forcing codec tags for input streams
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parent
d59fcdaff3
commit
746dca483a
12
avconv_opt.c
12
avconv_opt.c
@ -463,6 +463,8 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
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AVCodecContext *dec = st->codec;
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InputStream *ist = av_mallocz(sizeof(*ist));
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char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
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char *codec_tag = NULL;
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char *next;
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if (!ist)
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exit_program(1);
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@ -478,6 +480,14 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
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ist->ts_scale = 1.0;
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MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
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MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
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if (codec_tag) {
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uint32_t tag = strtol(codec_tag, &next, 0);
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if (*next)
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tag = AV_RL32(codec_tag);
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st->codec->codec_tag = tag;
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}
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ist->dec = choose_decoder(o, ic, st);
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ist->opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec);
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@ -2238,7 +2248,7 @@ const OptionDef options[] = {
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{ "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) },
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"set the number of frames to record", "number" },
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{ "tag", OPT_STRING | HAS_ARG | OPT_SPEC |
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OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(codec_tags) },
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OPT_EXPERT | OPT_OUTPUT | OPT_INPUT, { .off = OFFSET(codec_tags) },
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"force codec tag/fourcc", "fourcc/tag" },
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{ "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE |
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OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(qscale) },
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@ -821,7 +821,7 @@ avconv -i h264.mp4 -c:v copy -bsf:v h264_mp4toannexb -an out.h264
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avconv -i file.mov -an -vn -bsf:s mov2textsub -c:s copy -f rawvideo sub.txt
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@end example
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@item -tag[:@var{stream_specifier}] @var{codec_tag} (@emph{output,per-stream})
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@item -tag[:@var{stream_specifier}] @var{codec_tag} (@emph{input/output,per-stream})
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Force a tag/fourcc for matching streams.
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@item -filter_complex @var{filtergraph} (@emph{global})
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