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Try to get frame rate information through VIDIOC_G_PARM if

capture device driver (such as uvcvideo USB video driver) does
not provide VIDIOC_G_STD ioctl.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27171 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
voroshil 2008-06-30 17:46:27 +00:00
parent fddbd84992
commit 6077530ac2

View File

@ -448,6 +448,18 @@ static int getstd(priv_t *priv)
int i=0;
if (ioctl(priv->video_fd, VIDIOC_G_STD, &id) < 0) {
struct v4l2_streamparm parm;
parm.type=V4L2_BUF_TYPE_VIDEO_CAPTURE;
if(ioctl(priv->video_fd, VIDIOC_G_PARM, &parm) >= 0) {
mp_msg(MSGT_TV, MSGL_WARN, "%s: your device driver does not support VIDIOC_G_STD ioctl,"
" VIDIOC_G_PARM was used instead.\n", info.short_name);
priv->standard.index=0;
priv->standard.id=0;
priv->standard.frameperiod=parm.parm.capture.timeperframe;
return 0;
}
mp_msg(MSGT_TV, MSGL_ERR, "%s: ioctl get standard failed: %s\n",
info.short_name, strerror(errno));
return -1;