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Re: [Patch v5 12/12] Documention: v4l: Documentation for HEVC CIDs

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  Re: [Patch v5 12/12] Documention: v4l: Documentation for HEVC CIDs Stanimir Varbanov <stanimir.varbanov@linaro.org> - 2017-07-07 17:00 +0200
    Re: [Patch v5 12/12] Documention: v4l: Documentation for HEVC CIDs Smitha T Murthy <smitha.t@samsung.com> - 2017-07-17 13:50 +0200

#1683230 — Re: [Patch v5 12/12] Documention: v4l: Documentation for HEVC CIDs

Hi,

On 06/19/2017 08:10 AM, Smitha T Murthy wrote:
> Added V4l2 controls for HEVC encoder
> 
> Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
> ---
>  Documentation/media/uapi/v4l/extended-controls.rst | 364 +++++++++++++++++++++
>  1 file changed, 364 insertions(+)
> 
> diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
> index abb1057..7767c70 100644
> --- a/Documentation/media/uapi/v4l/extended-controls.rst
> +++ b/Documentation/media/uapi/v4l/extended-controls.rst
> @@ -1960,6 +1960,370 @@ enum v4l2_vp8_golden_frame_sel -
>      1, 2 and 3 corresponding to encoder profiles 0, 1, 2 and 3.
>  
>  

<cut>

> +``V4L2_CID_MPEG_VIDEO_HEVC_PROFILE``
> +    (enum)
> +
> +enum v4l2_mpeg_video_hevc_profile -
> +    Select the desired profile for HEVC encoder.
> +
> +.. raw:: latex
> +
> +    \begin{adjustbox}{width=\columnwidth}
> +
> +.. tabularcolumns:: |p{11.0cm}|p{10.0cm}|
> +
> +.. flat-table::
> +    :header-rows:  0
> +    :stub-columns: 0
> +
> +    * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN``
> +      - Main profile.

MAIN10?

> +    * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE``
> +      - Main still picture profile.
> +
> +.. raw:: latex
> +
> +    \end{adjustbox}
> +
> +

<cut>

> +MFC 10.10 MPEG Controls
> +-----------------------
> +
> +The following MPEG class controls deal with MPEG decoding and encoding
> +settings that are specific to the Multi Format Codec 10.10 device present
> +in the S5P and Exynos family of SoCs by Samsung.
> +
> +
> +.. _mfc1010-control-id:
> +
> +MFC 10.10 Control IDs
> +^^^^^^^^^^^^^^^^^^^^^
> +
> +``V4L2_CID_MPEG_MFC10_VIDEO_HEVC_REF_NUMBER_FOR_PFRAMES (integer)``
> +    Selects number of P reference pictures required for HEVC encoder.
> +    P-Frame can use 1 or 2 frames for reference.
> +
> +``V4L2_CID_MPEG_MFC10_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR (integer)``
> +    Indicates whether to generate SPS and PPS at every IDR. Setting it to 0
> +    disables generating SPS and PPS at every IDR. Setting it to one enables
> +    generating SPS and PPS at every IDR.
> +

I'm not sure those two should be driver specific, have to check does
venus driver has similar controls.

> +
>  .. _camera-controls:
>  
>  Camera Control Reference
> 

-- 
regards,
Stan

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#1688948

On Fri, 2017-07-07 at 17:59 +0300, Stanimir Varbanov wrote:
> Hi,
> 
> On 06/19/2017 08:10 AM, Smitha T Murthy wrote:
> > Added V4l2 controls for HEVC encoder
> > 
> > Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
> > ---
> >  Documentation/media/uapi/v4l/extended-controls.rst | 364 +++++++++++++++++++++
> >  1 file changed, 364 insertions(+)
> > 
> > diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
> > index abb1057..7767c70 100644
> > --- a/Documentation/media/uapi/v4l/extended-controls.rst
> > +++ b/Documentation/media/uapi/v4l/extended-controls.rst
> > @@ -1960,6 +1960,370 @@ enum v4l2_vp8_golden_frame_sel -
> >      1, 2 and 3 corresponding to encoder profiles 0, 1, 2 and 3.
> >  
> >  
> 
> <cut>
> 
> > +``V4L2_CID_MPEG_VIDEO_HEVC_PROFILE``
> > +    (enum)
> > +
> > +enum v4l2_mpeg_video_hevc_profile -
> > +    Select the desired profile for HEVC encoder.
> > +
> > +.. raw:: latex
> > +
> > +    \begin{adjustbox}{width=\columnwidth}
> > +
> > +.. tabularcolumns:: |p{11.0cm}|p{10.0cm}|
> > +
> > +.. flat-table::
> > +    :header-rows:  0
> > +    :stub-columns: 0
> > +
> > +    * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN``
> > +      - Main profile.
> 
> MAIN10?
> 
No just MAIN.

> > +    * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE``
> > +      - Main still picture profile.
> > +
> > +.. raw:: latex
> > +
> > +    \end{adjustbox}
> > +
> > +
> 
> <cut>
> 
> > +MFC 10.10 MPEG Controls
> > +-----------------------
> > +
> > +The following MPEG class controls deal with MPEG decoding and encoding
> > +settings that are specific to the Multi Format Codec 10.10 device present
> > +in the S5P and Exynos family of SoCs by Samsung.
> > +
> > +
> > +.. _mfc1010-control-id:
> > +
> > +MFC 10.10 Control IDs
> > +^^^^^^^^^^^^^^^^^^^^^
> > +
> > +``V4L2_CID_MPEG_MFC10_VIDEO_HEVC_REF_NUMBER_FOR_PFRAMES (integer)``
> > +    Selects number of P reference pictures required for HEVC encoder.
> > +    P-Frame can use 1 or 2 frames for reference.
> > +
> > +``V4L2_CID_MPEG_MFC10_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR (integer)``
> > +    Indicates whether to generate SPS and PPS at every IDR. Setting it to 0
> > +    disables generating SPS and PPS at every IDR. Setting it to one enables
> > +    generating SPS and PPS at every IDR.
> > +
> 
> I'm not sure those two should be driver specific, have to check does
> venus driver has similar controls.
> 
Yes please check and let me know if you have similar controls, I will
move it out.
> > +
> >  .. _camera-controls:
> >  
> >  Camera Control Reference
> > 
> 

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