Messages in this thread Patch in this message | | | From | "Dikshita Agarwal (QUIC)" <> | Subject | RE: [PATCH] media: v4l2-ctrl: Add main 10 still picture profile for hevc | Date | Fri, 26 Aug 2022 06:34:06 +0000 |
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Hi Hans,
-----Original Message----- From: Hans Verkuil <hverkuil-cisco@xs4all.nl> Sent: Wednesday, August 24, 2022 5:36 PM To: Dikshita Agarwal (QUIC) <quic_dikshita@quicinc.com>; linux-media@vger.kernel.org; linux-kernel@vger.kernel.org; ezequiel@collabora.com Cc: stanimir.varbanov@linaro.org; linux-arm-msm@vger.kernel.org; Vikash Garodia (QUIC) <quic_vgarodia@quicinc.com>; Maheshwar Ajja (QUIC) <quic_majja@quicinc.com>; quic_jdas <quic_jdas@quicinc.com> Subject: Re: [PATCH] media: v4l2-ctrl: Add main 10 still picture profile for hevc
Hi Dikshita,
On 23/08/2022 09:26, Dikshita Agarwal wrote: > Add main 10 still picture profile for HEVC encoder.
Hmm, is this the same as the "Main 4:4:4 Still Picture" profile mentioned here:
https://en.wikipedia.org/wiki/High_Efficiency_Video_Coding#Version_2_profiles
If not, where it is defined? I would also prefer to have this patch merged together with a driver that uses it.
It is different and definition can be found in Latest HEVC spec, Annex A, A.3.3 Main 10 and Main 10 Still Picture profiles. https://www.itu.int/rec/dologin_pub.asp?lang=s&id=T-REC-H.265-201906-S!!PDF-E&type=items
Thanks, Dikshita
Regards,
Hans
> > Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com> > --- > Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 2 ++ > include/uapi/linux/v4l2-controls.h | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > index 2a165ae..5b2da84 100644 > --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst > @@ -2424,6 +2424,8 @@ enum v4l2_mpeg_video_hevc_profile - > - Main still picture profile. > * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10`` > - Main 10 profile. > + * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10_STILL_PICTURE`` > + - Main 10 still picture profile. > > .. raw:: latex > > diff --git a/include/uapi/linux/v4l2-controls.h > b/include/uapi/linux/v4l2-controls.h > index 5f46bf4..1159337 100644 > --- a/include/uapi/linux/v4l2-controls.h > +++ b/include/uapi/linux/v4l2-controls.h > @@ -743,6 +743,7 @@ enum v4l2_mpeg_video_hevc_profile { > V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN = 0, > V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE = 1, > V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10 = 2, > + V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10_STILL_PICTURE = 3, > }; > #define V4L2_CID_MPEG_VIDEO_HEVC_LEVEL (V4L2_CID_CODEC_BASE + 616) > enum v4l2_mpeg_video_hevc_level {
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