Re: [PATCH v2] v4l: Add source event change for bit-depth
From: Sakari Ailus
Date: Wed May 08 2019 - 18:15:54 EST
On Wed, May 08, 2019 at 06:38:49PM +0200, Hans Verkuil wrote:
> On 5/8/19 5:34 PM, Stanimir Varbanov wrote:
> > 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.
> I agree. COLOR_DEPTH is a better name.
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>