[FFmpeg-user] Hi, I want to ask a question about ffmpeg using dxva2 with multithreads

Paul B Mahol onemda at gmail.com
Thu Jun 21 19:09:47 CEST 2012

On 6/16/12, ****** <highgod0401 at gmail.com> wrote:
> Hi,
> I'm studying ffmpeg.I have added dxva2 to ffmpeg.exe,and it can work well
> in one thread using dxva2 to decode h264
> cmd :ffmpeg -threads 1 -i  XXXh264.mkv output.avi
> But I added some codes to use dxva2 in multithread,it didn't work.
> I want to ask is ffmpeg support dxva2 in multithreads?
> I have no idea on how to do it.

Multithreaded hardware accelerators are not supported.

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