From 746dca483a2f0f2639265f6e1c0085c8861875a1 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Sun, 23 Feb 2014 08:05:52 +0100 Subject: [PATCH] avconv: support forcing codec tags for input streams --- avconv_opt.c | 12 +++++++++++- doc/avconv.texi | 2 +- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/avconv_opt.c b/avconv_opt.c index d62d11f5e6..7bc41c96b2 100644 --- a/avconv_opt.c +++ b/avconv_opt.c @@ -463,6 +463,8 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic) AVCodecContext *dec = st->codec; InputStream *ist = av_mallocz(sizeof(*ist)); char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL; + char *codec_tag = NULL; + char *next; if (!ist) exit_program(1); @@ -478,6 +480,14 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic) ist->ts_scale = 1.0; MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, 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->opts = filter_codec_opts(o->g->codec_opts, ist->st->codec->codec_id, ic, st, ist->dec); @@ -2238,7 +2248,7 @@ const OptionDef options[] = { { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(max_frames) }, "set the number of frames to record", "number" }, { "tag", OPT_STRING | HAS_ARG | OPT_SPEC | - OPT_EXPERT | OPT_OUTPUT, { .off = OFFSET(codec_tags) }, + 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) }, diff --git a/doc/avconv.texi b/doc/avconv.texi index 7ef415fc7d..0c17eb9c72 100644 --- a/doc/avconv.texi +++ b/doc/avconv.texi @@ -821,7 +821,7 @@ avconv -i h264.mp4 -c:v copy -bsf:v h264_mp4toannexb -an out.h264 avconv -i file.mov -an -vn -bsf:s mov2textsub -c:s copy -f rawvideo sub.txt @end example -@item -tag[:@var{stream_specifier}] @var{codec_tag} (@emph{output,per-stream}) +@item -tag[:@var{stream_specifier}] @var{codec_tag} (@emph{input/output,per-stream}) Force a tag/fourcc for matching streams. @item -filter_complex @var{filtergraph} (@emph{global})