Wan Tat Chee <tcwan@xxxxxxxxx> writes: > > This sounds consistent with the tvtime bugreports. tvtime must grab > > all 576 scanlines (for PAL) to deinterlace correctly, and we default to > > 720 pixels per scanline, but apparently if we capture 200x576 or so > > things seem to work. Sounds like a driver bug. > > You're both right. I tried mplayer again, and now I can go up to something > like 550 x 288, 270 x 576, else 360 x 420 or thereabouts. They're all > around 150K pixels. Is there a memory window size limitation somewhere > that's causing this? Sort of. The buffer size is determined by the current video format at VIDIOCGMBUF time. Which happens to be just the default (320x240xRGB24) for most v4l applications, because nobody calls VIDIOCSWIN before VIDIOCGMBUF ... I've changed the default capture size in the latest snapshot. Gerd -- Weil die späten Diskussionen nicht mal mehr den Rotwein lohnen. -- Wacholder in “Melanie”
