[FFmpeg-devel] [PATCH]Accept -(v)tag for input streams
Carl Eugen Hoyos
cehoyos at ag.or.at
Thu Oct 13 22:19:56 CEST 2011
Hi!
Attached patch allows for example to read raw YV12 samples without having to
remux them.
Please comment, Carl Eugen
-------------- next part --------------
diff --git a/ffmpeg.c b/ffmpeg.c
index 4eb7ac4..a8fc82f 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2988,6 +2988,7 @@ static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st
static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
{
int i, rfps, rfps_base;
+ char *next, *codec_tag = NULL;
for (i = 0; i < ic->nb_streams; i++) {
AVStream *st = ic->streams[i];
@@ -3005,6 +3006,14 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
ist->ts_scale = scale;
+ 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_codec(o, ic, st, dec->codec_type);
if (!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
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