[FFmpeg-devel] [PATCH] Try to make new VDPAU usable by adding context to callback.

[wm4]

On Fri, 9 Aug 2013 08:57:53 +0200
Reimar Döffinger <Reimar.Doeffinger at gmx.de> wrote:

> 
> >>>> How would I even be able to handle the return value of the render function in general, no matter the cause of error? (if you don't care about losing more frames than necessary I guess you coukd handle preemption outside the decode loop, but that seems at least suboptimal).
> >>>> lavc ignores the return value, and any wrapper would have nowhere to store it.
> >>> 
> >>> Maybe lavc should check the return value, and return it from the
> >>> libavcodec decoding function?
> >> 
> >> Remapping all possible VDPAU errors to FFmpeg ones? That's going to be
> >> fun...
> > 
> > Well, OK, but maybe at least render2 should be able to return a ffmpeg
> > error code?
> 
> That is why it has an int as return value actually :-).
> Integrating it so that libavcodec actually returns that is missing though.

Isn't it just a matter of forwarding the error code?

By the way, I think your patch missed the render call in
vdpau_h264_end_frame.