Re: [PATCH v4 1/2] media: uapi: Add H264 low-level decoder API compound controls.
From: Maxime Ripard
Date: Tue Mar 05 2019 - 04:43:46 EST
On Mon, Mar 04, 2019 at 03:49:11PM -0300, Ezequiel Garcia wrote:
> On Wed, 2019-02-20 at 15:17 +0100, Maxime Ripard wrote:
> > From: Pawel Osciak <posciak@xxxxxxxxxxxx>
> > Stateless video codecs will require both the H264 metadata and slices in
> > order to be able to decode frames.
> > This introduces the definitions for a new pixel format for H264 slices that
> > have been parsed, as well as the structures used to pass the metadata from
> > the userspace to the kernel.
> > Co-Developped-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
> > Signed-off-by: Pawel Osciak <posciak@xxxxxxxxxxxx>
> > Signed-off-by: Guenter Roeck <groeck@xxxxxxxxxxxx>
> > Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>
> > ---
> > Documentation/media/uapi/v4l/biblio.rst | 9 +-
> > Documentation/media/uapi/v4l/extended-controls.rst | 547 ++++++++++++++-
> It seems Hans splitted the documentation and so this should now
> go to Documentation/media/uapi/v4l/ext-ctrls-codec.rst.
Thanks for letting me know, it will be fixed in the next version.
> > +#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
> > #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
> > #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
> > #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
> I haven't seen any objections to renaming this to V4L2_PIX_FMT_H264_SLICE_RAW,
> so if you could be so kind to push v5 with this rename (or similar), and also
> rebasing to the master branch, I could then submit the H264 decoder support for
> the Rockchip VPU.
I don't remember it, but yeah, this is fine by me. I'll adjust it and
send a new version.
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
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