[vlc-devel] [PATCH] DxVA2: fix compatibility with avcodec frame multithreading
remi at remlab.net
Tue Apr 7 17:56:53 CEST 2015
Le 2015-04-03 17:48, Steve Lhomme a écrit :
> There is a race condition when seeking in H264 :(
I have never seen this in VDPAU with recent libav libavcodec.
Anyhow undefined behaviour is undefined. You have to fix libavcodec or
get a working version of it.
> Sometimes the Release() callback is called with a garbage `opaque`
> variable, which is supposed to be our vlc_va_surface_t object...
Are you sure the dxva2 plugin is not freeing surfaces outside of
AVCodecContext.release_buffer - even though libavcodec is still holding
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