Hi Dilip, On Friday 23 December 2011 19:57:22 Dilip Mannil wrote: > Hi, > I am trying to implement v4l2 slave driver for ML86V76654 digital > video decoder that converts NTSC, PAL, SECAM analog video signals into > the YCbCr standard digital format. This codec takes 4 analog inputs(2 > analog camera + 2 ext video in) and encodes in to digital(only one at > a time). > > The driver should be able to switch between capture channels upon > request from user space application. > > I couldn't find the support for multiple capture channels on a single > device in v4l2 layer. Please correct me if I am wrong. > > Ideally I want the v4l2 slave driver to have following feature. > > 1. ioctl that can be used to enumerate/get/set the capture channels > on the video encoder. > 2. Able to capture video from the currently set capture channel and > pass to higher layers. > > Which is the best way to implement this support? VIDIOC_ENUMINPUT and VIDIOC_[GS]_INPUT seem to be what you're looking for. -- Regards, Laurent Pinchart -- 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
