On Sat, 2017-03-18 at 12:58 -0700, Steve Longerbeam wrote: > > On 03/18/2017 12:22 PM, Russell King - ARM Linux wrote: > > Hi Steve, > > > > I've just been trying to get gstreamer to capture and h264 encode > > video from my camera at various frame rates, and what I've discovered > > does not look good. > > > > 1) when setting frame rates, media-ctl _always_ calls > > VIDIOC_SUBDEV_S_FRAME_INTERVAL with pad=0. To allow setting pad > 0: https://patchwork.linuxtv.org/patch/39348/ > > 2) media-ctl never retrieves the frame interval information, so there's > > no way to read it back with standard tools, and no indication that > > this is going on... > > I think Philipp Zabel submitted a patch which addresses these > in media-ctl. Check with him. To read back and propagate the frame interval: https://patchwork.linuxtv.org/patch/39349/ https://patchwork.linuxtv.org/patch/39351/ regards Philipp _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
