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Diffstat (limited to 'Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst index c2e0adece613..c05c5553f0e3 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst @@ -3010,6 +3010,11 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - * - __u32 - ``data_bit_offset`` - Offset (in bits) to the video data in the current slice data. + * - __u32 + - ``num_entry_point_offsets`` + - Specifies the number of entry point offset syntax elements in the slice header. + When the driver supports it, the ``V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS`` + must be set. * - __u8 - ``nal_unit_type`` - Specifies the coding type of the slice (B, P or I). @@ -3150,6 +3155,17 @@ enum v4l2_mpeg_video_hevc_size_of_length_field - \normalsize +``V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS (integer)`` + Specifies entry point offsets in bytes. + This control is a dynamically sized array. The number of entry point + offsets is reported by the ``elems`` field. + This bitstream parameter is defined according to :ref:`hevc`. + They are described in section 7.4.7.1 "General slice segment header + semantics" of the specification. + When multiple slices are submitted in a request, the length of + this array must be the sum of num_entry_point_offsets of all the + slices in the request. + ``V4L2_CID_STATELESS_HEVC_SCALING_MATRIX (struct)`` Specifies the HEVC scaling matrix parameters used for the scaling process for transform coefficients. |