| Message ID | 20220422074024.1329082-1-dorota.czaplejewicz@puri.sm (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Documentation/media: Remove incorrect statement | expand |
Hi Dorota, On 22/04/2022 09:50, Dorota Czaplejewicz wrote: > Signed-off-by: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm> > --- > Hi, > > I tried to debug streaming in libcamera, where I stumbled upon this. I asked around on IRC where I was told that this statement in the documentation is wrong, so I'm submitting a removal. For future reference: a patch needs to start with a commit message, followed by your Signed-off-by, then '---' and the patch itself. I've taking the paragraph above as the commit message, so no need for you to do anything here. Regards, Hans > > Cheers, > Dorota Czaplejewicz > > Documentation/userspace-api/media/v4l/vidioc-streamon.rst | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/Documentation/userspace-api/media/v4l/vidioc-streamon.rst b/Documentation/userspace-api/media/v4l/vidioc-streamon.rst > index 0bc86f06947b..1a79313a29fa 100644 > --- a/Documentation/userspace-api/media/v4l/vidioc-streamon.rst > +++ b/Documentation/userspace-api/media/v4l/vidioc-streamon.rst > @@ -43,8 +43,7 @@ the capture or output process during streaming > Capture hardware is disabled and no input buffers are filled (if there > are any empty buffers in the incoming queue) until ``VIDIOC_STREAMON`` > has been called. Output hardware is disabled and no video signal is > -produced until ``VIDIOC_STREAMON`` has been called. The ioctl will > -succeed when at least one output buffer is in the incoming queue. > +produced until ``VIDIOC_STREAMON`` has been called. > > Memory-to-memory devices will not start until ``VIDIOC_STREAMON`` has > been called for both the capture and output stream types.
diff --git a/Documentation/userspace-api/media/v4l/vidioc-streamon.rst b/Documentation/userspace-api/media/v4l/vidioc-streamon.rst index 0bc86f06947b..1a79313a29fa 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-streamon.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-streamon.rst @@ -43,8 +43,7 @@ the capture or output process during streaming Capture hardware is disabled and no input buffers are filled (if there are any empty buffers in the incoming queue) until ``VIDIOC_STREAMON`` has been called. Output hardware is disabled and no video signal is -produced until ``VIDIOC_STREAMON`` has been called. The ioctl will -succeed when at least one output buffer is in the incoming queue. +produced until ``VIDIOC_STREAMON`` has been called. Memory-to-memory devices will not start until ``VIDIOC_STREAMON`` has been called for both the capture and output stream types.
Signed-off-by: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm> --- Hi, I tried to debug streaming in libcamera, where I stumbled upon this. I asked around on IRC where I was told that this statement in the documentation is wrong, so I'm submitting a removal. Cheers, Dorota Czaplejewicz Documentation/userspace-api/media/v4l/vidioc-streamon.rst | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)