Wan Tat Chee wrote: > > On Sat, 23 Mar 2002, Gert Vervoort wrote: > > > >What happens if you press pgup or pgdown in xawtv while looking at S-video? > >I briefly tested the change of Gerd last wednesday and I noticed that sometimes > >I had > >to press pgup or pgdown (channels swithing) for the change to have effect. I've > >not yet > >given Gerd feedback about this, as I did not have the time to have look at this > >if this > >was a real problem because I was on a course for 2 days. I will check this on > >monday. > This morning I could not reproduce this problem anymore, S-video works without any trouble now. > Gert, would you be able to list the various Video modes available on the > saa7134/0? I'm not sure which is the appropriate mode to use other than by > trial and error. On the Philips Semiconductors website (http://www.semiconductors.philips.com) there are datasheets for the SAA7114/SAA7118 video decoder, these contain simular functionality as the video decoder part of the SAA7134. In these datasheets an overview of how these modes relate to the input pins could be found. > > Would different TV norms have an effect on which mode is suitable? > > So far, I have: > Mode Input > ---- ----- > 0 B/W for S-Video in (Composite over S-Video Input, according to Gunther) The luma signal of the S-Video is shared with the Composite signal S-video consists of luma (Y) and chroma (C) seperated, CVBS contains both luma and chroma on the same pin (Y+C). > 1 TV Tuner video signal (proper video signal) > 2 Inverted signal from S-Video ??? (similar to a film negative, but not stable) > 3 Composite Video Signal In (proper video signal) > 4 ??? (static only) > 5 ??? > 6 S-Video (grainy / modulated video signal) > 7 ??? > 8 S-Video (proper video signal) > ?? ??? >
