Re: [PATCH v2] v4l: Add source event change for bit-depth

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Hi Hans,

On 5/8/19 2:37 PM, Stanimir Varbanov wrote:
> This event indicate that the source bit-depth is changed during
> run-time. The client must get the new format and re-allocate buffers
> for it. This can usually happens with video decoder (encoders) when
> the bit-stream depth is changed from 8 to 10bits or vice versa.
> 
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
> ---
> Change since v1: s/BITDEPTH/BIT_DEPTH
> 
>  Documentation/media/uapi/v4l/vidioc-dqevent.rst | 7 +++++++
>  Documentation/media/videodev2.h.rst.exceptions  | 1 +
>  include/uapi/linux/videodev2.h                  | 1 +
>  3 files changed, 9 insertions(+)
> 
> diff --git a/Documentation/media/uapi/v4l/vidioc-dqevent.rst b/Documentation/media/uapi/v4l/vidioc-dqevent.rst
> index dea9c0cc00ab..f7782cbddc5f 100644
> --- a/Documentation/media/uapi/v4l/vidioc-dqevent.rst
> +++ b/Documentation/media/uapi/v4l/vidioc-dqevent.rst
> @@ -397,6 +397,13 @@ call.
>  	that many devices are not able to recover from a temporary loss of
>  	signal and so restarting streaming I/O is required in order for the
>  	hardware to synchronize to the video signal.
> +    * - ``V4L2_EVENT_SRC_CH_BIT_DEPTH``

I started to wonder isn't COLOR_DEPTH more appropriate? Bit-depth
doesn't describe what is actually deep.

-- 
regards,
Stan



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