* Matthieu CASTET <matthieu.castet@xxxxxxxxxx> [150518 01:34]: > Hi, > > last time I checked uvc driver, it was doing memcpy of video buffer : see uvc_video_decode_data. > > It your video resolution is big, this can eat lot's of cpu. > > Doing a trace should help you. For the memcpy part with DMA this patch should help too: [PATCH] dmaengine: omap-dma: Add support for memcpy Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
