Hi all,
Some recent discussions regarding the correct behavior of QUERYSTD brought up
a feeling of déjà vu. Some digging in my mail history resulted in this three
year old RFC which I promised to implement but obviously I never did.
Things have changed a bit. Today v4l_querystd in v4l2-ioctl.c
On Sunday 09 May 2010 11:23:05 Hans Verkuil wrote:
What is VIDIOC_QUERYSTD supposed to do when there is no signal?
The spec says this:
The hardware may be able to detect the current video standard automatically.
To do so, applications call VIDIOC_QUERYSTD with a pointer to a v4l2_std_id
What is VIDIOC_QUERYSTD supposed to do when there is no signal?
The spec says this:
The hardware may be able to detect the current video standard automatically.
To do so, applications call VIDIOC_QUERYSTD with a pointer to a v4l2_std_id
type. The driver stores here a set of candidates, this can