[PATCH v8 00/12] VP9 codec V4L2 control interface

Ezequiel Garcia ezequiel at vanguardiasur.com.ar
Tue Nov 16 06:47:28 PST 2021

On Tue, 16 Nov 2021 at 11:38, Andrzej Pietrasiewicz
<andrzej.p at collabora.com> wrote:
> Dear all,
> This patch series adds VP9 codec V4L2 control interface and two drivers
> using the new controls. It is a follow-up of previous v7 series [1].
> In this iteration, we've implemented VP9 hardware decoding on two devices:
> Rockchip VDEC and Hantro G2, and tested on RK3399, i.MX8MQ and i.MX8MP.
> The i.MX8M driver needs proper power domains support, though, which is a
> subject of a different effort, but in all 3 cases we were able to run the
> drivers.
> GStreamer support is also available, the needed changes have been submitted
> by Daniel Almeida [2]. This MR is ready to be merged, and just needs the
> VP9 V4L2 controls to be merged and released.
> Both rkvdec and hantro drivers are passing a significant number of VP9 tests
> using Fluster[3]. There are still a few tests that are not passing, due to
> dynamic frame resize (not yet supported by V4L2) and small size videos
> (due to IP block limitations).
> The series adds the VP9 codec V4L2 control API as uAPI, so it aims at being
> merged without passing through staging, as agreed[4]. The ABI has been checked
> for padding and verified to contain no holes.
> [1] https://patchwork.linuxtv.org/project/linux-media/list/?series=6393
> [2] https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2144

Due to GStreamer monorepo, the MR has been moved to



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