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    Subject[PATCH 11/11] Documention: v4l: Documentation for HEVC CIDs
    Date
    Added V4l2 controls for HEVC encoder

    CC: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
    Signed-off-by: Smitha T Murthy <smitha.t@samsung.com>
    ---
    Documentation/media/uapi/v4l/extended-controls.rst | 190 ++++++++++++++++++++
    1 files changed, 190 insertions(+), 0 deletions(-)

    diff --git a/Documentation/media/uapi/v4l/extended-controls.rst b/Documentation/media/uapi/v4l/extended-controls.rst
    index abb1057..fe23919 100644
    --- a/Documentation/media/uapi/v4l/extended-controls.rst
    +++ b/Documentation/media/uapi/v4l/extended-controls.rst
    @@ -1960,6 +1960,196 @@ enum v4l2_vp8_golden_frame_sel -
    1, 2 and 3 corresponding to encoder profiles 0, 1, 2 and 3.


    +HEVC Control Reference
    +---------------------
    +
    +The HEVC controls include controls for encoding parameters of HEVC video
    +codec.
    +
    +
    +.. _hevc-control-id:
    +
    +HEVC Control IDs
    +^^^^^^^^^^^^^^^
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_MIN_QP``
    + Minimum quantization parameter for HEVC.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_MAX_QP``
    + Maximum quantization parameter for HEVC.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_I_FRAME_QP``
    + Quantization parameter for an I frame for HEVC.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_P_FRAME_QP``
    + Quantization parameter for a P frame for HEVC.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_B_FRAME_QP``
    + Quantization parameter for a B frame for HEVC.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_QP_ENABLE``
    + Enable the QP values for temporal layer.
    +
    +.. _v4l2-mpeg-video-hevc-hier-coding-type:
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_TYPE``
    + (enum)
    +
    +enum v4l2_mpeg_video_hevc_hier_coding_type -
    + Selects the hierarchical coding type for encoding. Possible values are:
    +
    +.. 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_HIERARCHICAL_CODING_B``
    + - Use the B frame for hierarchical coding.
    + * - ``V4L2_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_P``
    + - Use the P frame for hierarchical coding.
    +
    +.. raw:: latex
    +
    + \end{adjustbox}
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER``
    + Indicates the hierarchical coding layer.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_QP``
    + Indicates the hierarchical coding layer quantization parameter.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_PROFILE``
    + Select the desired profile for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_LEVEL``
    + Selects the desired level for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_RC_FRAME_RATE``
    + Selects the RC filter frame rate for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_TIER_FLAG``
    + By default selects HEVC tier_flag as Main.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_MAX_PARTITION_DEPTH``
    + Selects HEVC Maximum coding unit depth.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_REF_NUMBER_FOR_PFRAMES``
    + Selects number of P reference picture required for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_LF_DISABLE``
    + Disables HEVC filter.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_LF_SLICE_BOUNDARY``
    + Selects across or not slice boundary for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_LF_BETA_OFFSET_DIV2``
    + Selects HEVC loop filter beta offset.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_LF_TC_OFFSET_DIV2``
    + Selects HEVC loop filter tc offset.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_TYPE``
    + Selects refresh type for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_REFRESH_PERIOD``
    + Selects the refresh period for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_LOSSLESS_CU_ENABLE``
    + Selects HEVC lossless encoding.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_CONST_INTRA_PRED_ENABLE``
    + Enables constant intra prediction for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_WAVEFRONT_ENABLE``
    + Enables wavefront for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_LTR_ENABLE``
    + Enables long term reference for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_USER_REF``
    + Selects user long term reference frame.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_STORE_REF``
    + Stores long term reference frame.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_SIGN_DATA_HIDING``
    + Enable sign data hiding for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_GENERAL_PB_ENABLE``
    + Enable general picture buffers for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_TEMPORAL_ID_ENABLE``
    + Enable temporal ID for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_STRONG_SMOTHING_FLAG``
    + Enable HEVC Strong intra smoothing.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_MAX_NUM_MERGE_MV_MINUS1``
    + Indicates max number of candidate motion vectors.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_DARK``
    + Indicates HEVC dark region adaptive.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_SMOOTH``
    + Indicates HEVC smooth region adaptive.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_STATIC``
    + Indicates HEVC static region adaptive.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_ADAPTIVE_RC_ACTIVITY``
    + Indicates HEVC activity adaptive.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_DISABLE_INTRA_PU_SPLIT``
    + Disables intra pu split for HEVC Encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_DISABLE_TMV_PREDICTION``
    + Disables tmv prediction for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_WITHOUT_STARTCODE_ENABLE``
    + Enabling HEVC encoding without a startcode.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_QP_INDEX_CR``
    + Indicates the quantization parameter CR index.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_QP_INDEX_CB``
    + Indicates the quantization parameter CB index.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_SIZE_OF_LENGTH_FIELD``
    + Indicates size of length field for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_PREPEND_SPSPPS_TO_IDR``
    + Indicates prepend SPS/PPS to every IDR.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_CH``
    + Indicates hierarchical coding layer change for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT0``
    + Indicates hierarchical coding layer BIT0 for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT1``
    + Indicates hierarchical coding layer BIT1 for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT2``
    + Indicates hierarchical coding layer BIT2 for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT3``
    + Indicates hierarchical coding layer BIT3 for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT4``
    + Indicates hierarchical coding layer BIT4 for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT5``
    + Indicates hierarchical coding layer BIT5 for HEVC encoder.
    +
    +``V4L2_CID_MPEG_VIDEO_HEVC_HIERARCHICAL_CODING_LAYER_BIT6``
    + Indicates hierarchical coding layer BIT6 for HEVC encoder.
    +
    +
    .. _camera-controls:

    Camera Control Reference
    --
    1.7.2.3
    \
     
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      Last update: 2017-01-18 11:13    [W:4.153 / U:0.184 seconds]
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