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

[Paul B Mahol]

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.