Hardware accelerated video encoding on Webrtc

[Mohammed Al Ani]

Hi,

I'm working on chromium and been looking into the h264 encoder implementation in Webrtc and only see that OpenH264 software encoder being used. Curious if there is a plan to expand and use native hw based encoders (e.g. media foundation in Windows)?

For the immediate need, I'm trying to find out if it is possible to use chromium's hw accelerated encoder (e.g. media/gpu/windows/media_foundation_video_encode_accelerator_win) instead of OpenH264. If this is something doable, where would be the best point to start looking in?

Thanks.

[Philipp Hancke]

MF should be used on Windows if supported unless you use CBP. Check

  https://webrtc.github.io/samples/src/content/peerconnection/change-codecs/

which shows the encoder implementation used for various profiles.

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