Hello Laurent, Le Mon, 26 Sep 2011 21:02:48 +0200, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> a écrit : > Are you using the MMAP or USERPTR capture method ? If using MMAP, can > you try (as a test only) to unmap the buffer before queueing it and > to remap it after dequeuing it ? So far, we have used VLC, Cheese, or a simple OpenCV based application to test the V4L2 device on our ARM platform, and I have no idea which capture method those are using. Is there a very simple V4L test application that we could use to hack the buffer unmap/remap trick you're suggesting as a test ? Regards, Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- 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