[FFmpeg-devel] [PATCH 2/2] add libyami.cpp for h264 decoding by libyami

Ronald S. Bultje rsbultje at gmail.com
Mon Jan 12 14:24:35 CET 2015


On Mon, Jan 12, 2015 at 12:59 AM, Zhao, Halley <halley.zhao at intel.com>

> I understand you concern.
> The wrapper doesn't help much to ffmpeg itself, however, it benefits much
> to the apps uses ffmpeg, to pick up hw capability for codec.

So specifically, what are the features that you get with yaml that ffmpeg
doesn't already provide (that is: yaml is itself just a wrapper for other
stuff; what does it wrap that ffmpeg doesn't have already?). I see
h264enc/vp8dec/vp8enc/vp9dec/jpegdec/jpegenc vaapi. Anything else? Why not
just implement these in ffmpeg directly?

(Note that indeed, we did not link to libvpx to get vp9/vp8 decoding; we
wrote our own, and it worked _much_ better. That same may be true here


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