Hans Verkuil wrote: > On Saturday 25 August 2007 22:32:39 Marty wrote: >> Hans Verkuil wrote: >> > Mail the output, perhaps that will tell me something. Because I >> > have no idea whatsoever what could be causing the problems you >> > have. >> >> I have a theory based on observation of the problem: Most channels >> don't contain black, but sports and news broadcast often have narrow >> strips extending across the image, containing text against a back >> background. I think this is being interpreted as horizontal blank >> period. As the strip appears or disappears, the problem follows it. >> In one case large black box in the center containing text, which >> caused vertical sync failure, suggesting that it was interpreted as a >> vertical blank period. > > Do you get the same problem when running: > > mplayer -demuxer rawvideo -rawvideo ntsc:format=hm12 /dev/video32
No change, but the image is compressed to the left two thirds of the frame with flashing solid blocks filling the right third. > > (Use the correct device for your card). > > If that works fine, then try running this mplayer command together with > a 'cat /dev/video0 >test.mpg' (capturing the MPEG as well from the same > card). Then run 'mplayer test.mpg' later to see if that has problems. No change. > > Does switching the antenna cables between your working card and failing > card make a difference? No change. _______________________________________________ ivtv-users mailing list [email protected] http://ivtvdriver.org/mailman/listinfo/ivtv-users
