On Saturday 20 October 2007 11:31:27 Duncan Webb wrote:
> Hans Verkuil wrote:
> > On Friday 19 October 2007 21:52:15 Duncan Webb wrote:
> >> Hans Verkuil wrote:
> >>> On Friday 19 October 2007 19:30:59 Duncan Webb wrote:
> >>>> Hans Verkuil wrote:
> >
> > The old IVTV_IOC_S_GOP_END has been removed. Instead use the new
> > VIDIOC_ENCODER_CMD and VIDIOC_TRY_ENCODER_CMD ioctls if you want
> > this feature. See the v4l2 spec for more details.
>
> Still having a little bit of a problem with VIDIOC_ENCODER_CMD, does
> this need to be called just before the stream off command, replace it
> (as I think is correct) or as with IVTV_IOC_S_GOP_END before reading
> begins?
It replaces STREAMOFF. STREAMOFF was always a half-baked implementation
at best and was replaced with this command. The STREAMON/OFF command
are really meant for the V4L2 stream I/O API. Since ivtv doesn't
support stream I/O the driver's VIDIOC_STREAMOFF support was removed.
Regards,
Hans
> The VIDIOC_STREAMOFF command is also giving me some errors. When I
> call VIDIOC_STREAMOFF with V4L2_BUF_TYPE_VIDEO_CAPTURE it returns
> EINVAL, ie:
>
> enum v4l2_buf_type buf_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
> if (fd, VIDIOC_STREAMOFF, &buf_type) < 0) {
> fwprintf(stderr, L"VIDIOC_STREAMOFF failed: %s\n",
> strerror(errno)); }
> resulting in:
> VIDIOC_STREAMOFF failed: Invalid argument
>
> I'm not sure what I'm doing incorrectly, as it used to work even
> okay.
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