On Tue, Jul 21, 2020 at 4:45 AM Helen Koike <helen@xxxxxxxxxx> wrote: > > Hi, > > On 7/20/20 6:29 AM, Jian-Jia Su wrote: > > V4L2_CAP_VIDEO_M2M is documented as 0x00004000 > > V4L2_CAP_VIDEO_M2M_MPLANE is documented as 0x00008000 > > This is different from the definition in include/uapi/linux/videodev2.h > > > > Nice catch, they are swapped in the docs indeed. > > From videodev2.h: > > /* Is a video mem-to-mem device that supports multiplanar formats */ > #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 > /* Is a video mem-to-mem device */ > #define V4L2_CAP_VIDEO_M2M 0x00008000 > > > Signed-off-by: Jian-Jia Su <jjsu@xxxxxxxxxxxx> > > Reviewed-by: Helen Koike <helen.koike@xxxxxxxxxxxxx> FWIW, Reviewed-by: Alexandre Courbot <acourbot@xxxxxxxxxxxx> > > Regards, > Helen > > > --- > > Documentation/userspace-api/media/v4l/vidioc-querycap.rst | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst > > index 666ac4d420519..90347367ef06a 100644 > > --- a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst > > +++ b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst > > @@ -168,11 +168,11 @@ specification the ioctl returns an ``EINVAL`` error code. > > - The device supports the :ref:`multi-planar API <planar-apis>` > > through the :ref:`Video Output <output>` interface. > > * - ``V4L2_CAP_VIDEO_M2M`` > > - - 0x00004000 > > + - 0x00008000 > > - The device supports the single-planar API through the Video > > Memory-To-Memory interface. > > * - ``V4L2_CAP_VIDEO_M2M_MPLANE`` > > - - 0x00008000 > > + - 0x00004000 > > - The device supports the :ref:`multi-planar API <planar-apis>` > > through the Video Memory-To-Memory interface. > > * - ``V4L2_CAP_VIDEO_OVERLAY`` > >
