Em Saturday 28 March 2009, Hans de Goede escreveu: > On 03/28/2009 11:11 AM, Lamarque Vieira Souza wrote: > > This patch implements V4L2_CAP_STREAMING for the zr364xx driver, by > > converting the driver to use videobuf. > > > > Tested with Creative PC-CAM 880. > > > > It basically: > > . implements V4L2_CAP_STREAMING using videobuf; > > > > . re-implements V4L2_CAP_READWRITE using videobuf; > > > > . copies cam->udev->product to the card field of the v4l2_capability > > struct. That gives more information to the users about the webcam; > > > > . moves the brightness setting code from before requesting a frame (in > > read_frame) to the vidioc_s_ctrl ioctl. This way the brightness code is > > executed only when the application requests a change in brightness and > > not before every frame read; > > > > . comments part of zr364xx_vidioc_try_fmt_vid_cap that says that Skype + > > libv4l do not work. > > Note that this may make things work, but is not correct, applications > which properly honor the field value may get bitten by this. The correct > fix is to unconditionally set the field value to V4L2_FIELD_NONE. The part of zr364xx_vidioc_try_fmt_vid_cap which was commented was the "if" that checks the field value, now the driver does not do the check, it always set the field value to V4L2_FIELD_NONE, since that is the only value that the card accepts. > > This patch fixes zr364xx for applications such as mplayer, > > Kopete+libv4l and Skype+libv4l can make use of the webcam that comes > > with zr364xx chip. > > > > Signed-off-by: Lamarque V. Souza<lamarque@xxxxxxxxx> > > <snip> > > Regards, > > Hans -- Lamarque V. Souza http://www.geographicguide.com/brazil.htm Linux User #57137 - http://counter.li.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
