Re: [PATCH v5 1/2] media: uapi: Add H264 low-level decoder API compound controls.
From: Tomasz Figa
Date: Thu Mar 14 2019 - 00:29:24 EST
On Thu, Mar 14, 2019 at 12:31 AM Maxime Ripard
> Hi Tomasz,
> On Fri, Mar 08, 2019 at 03:12:18PM +0900, Tomasz Figa wrote:
> > > +.. _v4l2-mpeg-h264:
> > > +
> > > +``V4L2_CID_MPEG_VIDEO_H264_SPS (struct)``
> > > + Specifies the sequence parameter set (as extracted from the
> > > + bitstream) for the associated H264 slice data. This includes the
> > > + necessary parameters for configuring a stateless hardware decoding
> > > + pipeline for H264. The bitstream parameters are defined according
> > > + to :ref:`h264`. Unless there's a specific comment, refer to the
> > > + specification for the documentation of these fields, section 184.108.40.206.1
> > > + "Sequence Parameter Set Data Semantics".
> > I don't see this section being added by this patch. Where does it come from?
> This is referring to the the H264 spec itself, as I was trying to
> point out with the reference in that paragraph. How would you write
> this down to make it more obvious?
Aha, somehow it didn't come to my mind when reading it. How about
something like below?
Unless there is a specific comment, refer to the ITU-T Rec. H.264
specification, section "220.127.116.11.1 Sequence parameter set data semantics"
(as of the 04/2017 edition).