Hi,
I'm trying to use PWC with the driver V4L2 of MPlayer
and I have a problem after a call to the IOCTL
function VIDIOC_ENUMSTD.
I get a floating point exception since MPlayer tries
to compute the ratio of numerator / denominator of the
struct framepriod, which pwc leaves NULL.
In the actual implementation (pwc-10.0.11) it olny
sets the "name" and leave all the other fields
unchanged.
I suggest to set the "frameperiod" as in the following
example
file pwc-v4l.c, line 1049
case VIDIOC_ENUMSTD:
{
struct v4l2_standard *std = arg;
if (std->index != 0)
return -EINVAL;
std->id = V4L2_STD_UNKNOWN;
strncpy(std->name, "webcam", sizeof(std->name));
std->frameperiod.numerator = 1; // NEW
std->frameperiod.denominator = pdev->vframes; // NEW
return 0;
}
what do you think?
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