Xawtv seems to use 384x288 (I thought it is the size form app-defaults, but isnt) for Xvideo overlay regardless of the window size, which results in blocky image when maximizing the window. Also it doesnt probably choose the best YUV format - TNT2 offers those: image format list for port 39 0x32595559 (YUY2) packed 0x32315659 (YV12) planar 0x59565955 (UYVY) packed With bttv2 driver xawtv segfaults (may send strace log) when in grabdisplay mode (doesnt matter if xvideo or normal) and changing window size. -- Marian Jančár <mjanx123@xxxxxxxxxxxxxxxxxxxxxxxx>