Hans Verkuil <hverkuil@xxxxxxxxx> writes: > On Monday 06 October 2008 08:06:30 Shah, Hardik wrote: >> 4. VIDIOC_S/G_OMAP2_COLORKEY: Color keying allows the pixels with >> the defined color on the video pipelines to be replaced with the >> pixels on the graphics pipelines. I believe similar feature must be >> available on almost all next generation of video hardware. We can add >> new ioctl for this feature in V4L2 framework. I think VIDIOC_S_FBUF >> ioctl is used for setting up the buffer parameters on per buffer >> basis. So IMHO this ioctl is not a natural fit for the above >> functionality. Please provide your comments on same. > > Do I understand correctly that if the color in the *video* streams > matches the colorkey, then it is replaced by the color in the > *framebuffer* (aka menu/overlay)? Usually it is the other way around: > if the framebuffer (menu) has chromakey pixels, then those pixels are > replaced by pixels from the video stream. That's what the current API > does. The OMAP3 hardware supports both type of keying, but not simultaneously. -- Måns Rullgård mans@xxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
