On Fri, Sep 07, 2018 at 04:34:45PM +0200, Hans Verkuil wrote: > Support for stateless codecs and Request API will hopefully be merged for > 4.20, and the next step is to discuss how to organize the userspace support. > > Hopefully by the time the media summit starts we'll have some better ideas > of what we want in this area. > > Some userspace support is available from bootlin for the cedrus driver: > > - v4l2-request-test, that has a bunch of sample frames for various > codecs and will rely solely on the kernel request api (and DRM for > the display part) to test and bringup a particular driver > https://github.com/bootlin/v4l2-request-test > > - libva-v4l2-request, that is a libva implementation using the > request API > https://github.com/bootlin/libva-v4l2-request > > But this is more geared towards testing and less a 'proper' implementation. While the first one is definitely a test tool, I wouldn't consider the latter as such. We have Kodi and VLC running with it, and we started to work on using gstreamer on top of it, so it's definitely something I would consider for real world use cases. Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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