Dear maintainer and user, Is there a way to tell libv4l2 which native source format it should prefer to convert from? For example my uvcvideo webcam supports natively YUYV and MJPG (see output below) and when I request V4L2_PIX_FMT_RGB24 I see in the logs: ... VIDIOC_S_FMT app requesting: RGB3 VIDIOC_S_FMT converting from: YUYV request == VIDIOC_S_FMT pixelformat: RGB3 640x480 field: 1 bytesperline: 1920 imagesize921600 colorspace: 8, priv: 0 ... So it picks up YUYV as source format. I had a look at v4lconvert_try_format but can see no way how to do this. Regards, Andy $ v4l2-ctl --list-formats ioctl: VIDIOC_ENUM_FMT Index : 0 Type : Video Capture Pixel Format: 'YUYV' Name : YUV 4:2:2 (YUYV) Index : 1 Type : Video Capture Pixel Format: 'MJPG' (compressed) Name : MJPEG $ v4l2-ctl -w -D Driver Info (using libv4l2): Driver name : uvcvideo Card type : UVC Camera (046d:0825) Bus info : usb-0000:00:16.2-2 Driver version: 3.2.51 Capabilities : 0x05000001 Video Capture Read/Write Streaming -- 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