[Libav-user] Hardware accelerated decoding

Kirill Gavrilov gavr.mail at gmail.com
Thu Sep 5 13:14:32 CEST 2013


Hi,

On Thu, Sep 5, 2013 at 2:53 PM, Oleg <mybrokenbeat at gmail.com> wrote:

> 3. VDA decoded frames could be rendered without copying frame to RAM,
> using OpenGL. Anyway ffmpeg stores all frames in RAM, so h264_vda decoder
> copies each frame to RAM that's way h264_vda could be slower then classical
> h264 decoder.
>
Thanks for information. Could you please refer to documentation?
I was curious when I have read VDA documentation without mensioning of
OpenGL at all:
https://developer.apple.com/library/mac/technotes/tn2267/_index.html
-----------------------------------------------
Kirill Gavrilov,
Software designer.
<kirill at sview.ru>
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