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avdemux: update the context we use to determine stream's caps

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The discovered frame rate is only available on the AVStream
itself. Updating the temporary context framerate before
building caps from it seems like a pretty non-intrusive approach.

Fixes #75

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-libav/-/merge_requests/74>
This commit is contained in:
Mathieu Duponchelle 2020-05-27 16:30:41 +02:00
parent 797c7e1bdf
commit a5850215ba
1 changed files with 4 additions and 0 deletions
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4
ext/libav/gstavdemux.c
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@ -951,6 +951,10 @@ gst_ffmpegdemux_get_stream (GstFFMpegDemux * demux, AVStream * avstream)
case AVMEDIA_TYPE_VIDEO: case AVMEDIA_TYPE_VIDEO:
templ = oclass->videosrctempl; templ = oclass->videosrctempl;
num = demux->videopads++; num = demux->videopads++;
/* These are not part of the codec parameters we built the
* context from */
ctx->framerate.num = avstream->r_frame_rate.num;
ctx->framerate.den = avstream->r_frame_rate.den;
break; break;
case AVMEDIA_TYPE_AUDIO: case AVMEDIA_TYPE_AUDIO:
templ = oclass->audiosrctempl; templ = oclass->audiosrctempl;