I'm happy with the TV-out of my Pundit. I'm using S-video out and though it's not quite as sharp as using my PVR-350's S-video out, I'm happy with the image quality. I'm no longer using the PVR-350's video out because I've got a HD-3000 and want to view ATSC content.
Jason On Wed, 23 Feb 2005 22:41:13 +0100 (CET), Staffan Pettersson <[EMAIL PROTECTED]> wrote: > > My motivations in this context: > > > > - I want full field rate in video playback; to my knowledge, using > > bobdeint is the only way to achieve this; > > - bobdeint requires a form of vertical sync, which as far as I know the > > SiS driver cannot support. > > > > In my ongoing quest to find an X setup that gives me jitter-free video > > using bobdeint I stumbled upon a new option, found on the SiS X driver > > website (http://www.winischhofer.at/linuxsispart1.shtml): > > <http://www.winischhofer.at/linuxsispart1.shtml> > > > >> *2. Video blitter method* > >> > >> This second method is only supported on the SiS M650, 651, (M)661, > >> (M)741, 330 and (M)760, not any older chipsets. It works entirely > >> different to the overlay method: The video blitter simply copies video > >> data from the video application into the framebuffer (eg. a window), > >> thereby converting the data from the video color space (some YUV > >> format) to RGB. All this is done by the 2D acceleration engine. > >> > >> The following color space formats are supported: YV12, I420, UYVY, > >> YUY2, YVYU, NV12, NV21. The maximum video source size is 2046x2046. > >> > >> The video blitter is only very little slower than the Xv method. > >> However, it's worst disadvantage is that it cannot scale the video. > >> The video will always be shown in its original size; if the video is > >> larger than the visible screen, it will be cropped. If it smaller, a > >> black border will be drawn. Furthermore, there are no video properties > >> such as contrast, brightness, etc. > >> > > > > So, when I enable this as the video output, bobdeint starts acting like > > it does when you give "bobdeint" as an argument to the "Custom Filters" > > option in the Setup > Tv Settings > Playback menu; which is splitting > > the screen horizontally in two halves, each displaying one field. Of > > course, this is due to the fact that bobdeint only works on Xv or XvMC > > output. Using this Video blitter method, the output comes from the > > framebuffer, as stated above. > > > > My experience up till now has been that the combination of SiS + Xv + > > bobdeint gives vertical jitter (now and then) because there is no > > (driver or OpenGL) Vsync support. My question: can the source code of > > either bobdeint or the the non-Xv video output (which one handles this?) > > be modified to have the screen built up correctly, that is with the > > fields interweaved and not split screen? > > > > Thanks, > > -- Jeroen > > _______________________________________________ > > mythtv-dev mailing list > > mythtv-dev@mythtv.org > > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev > > > > Hi > > I struggled with an asus pundit to. tried tv-out, wasn't happy with > picture quality, after that i build a vga to rgb converter, wasn't happy > with that either. I spent several days trying diffrent modelines, > interlace filters etc but the bottom line is that the sis 315 is a peace > of sh**t! > > Now i'm running a new system with a cheap Geforce MX400, and the picture > quality and framerate when using xv + bob is almost better than my settop > box! > > So do i have a point? > By new hardware, you will lose your mind trying different settings on the > pundit! > > /Staffan > > _______________________________________________ > mythtv-dev mailing list > mythtv-dev@mythtv.org > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev >
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