[FFmpeg-user] How do I use the HW accerlator?

Carl Eugen Hoyos cehoyos at ag.or.at
Tue May 22 08:37:03 CEST 2012

Wayne Kelly <w.kelly <at> qut.edu.au> writes:

> libavcodec does include some support for DXVA2, but it doesn't do 
> all the work necessary to be able to automatically use DXVA2.
> The "Player" (i.e. the program that you write to use libavcodec) 
> needs to do half of the work. ffmpeg.exe and ffplay.exe have not 
> been written to use DXVA2.
> Everyone points to the VLC open source player as the best (only) 
> example of how to use DXVA2 with libavcodec.

I can confirm that above is correct, I don't know why it does not 
work for you, I would expect that your hardware / driver 
combination is the reason.

Carl Eugen

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