On Tue, 6 Jan 2004 20:55:29 +0100 Norbert Schechner <[EMAIL PROTECTED]> wrote:
> I tried "i", deinterlacing with 1 and 0, no difference, may be you know the > running information text on the bottom of the screen from NTV, it is not > possible to read them. (Unfortunately with WIN 2000 on the same machine they > lock quiet good). Maybe it depends on what kind of deinterlacer is used. I'm not familiar with xine, but if you capture a stream from /dev/dvb/adaper0/dvr0 and play it with mplayer you can try the option "-vf pp=md", which will deinterlace really well. (mplayer -pphelp to know about other deinterlacers or enhancers) Another problem that usually happens is that the picture is too dark and colored. Try the command "xgamma -gamma 2.0", your display should become (too much) brighter: if it doesn't work, your gfx card doesn't support gamma correction; if it does, try a value around 1.5 and play with "mplayer -zoom -vo x11" (because "-vo xv" may bypass the gamma correction). > > - objects in motion are not detailed and composed of squares; this is > > an MPEG compression artifact, the channel you're watching is broadcasting a > > low quality stream, there is no solution (keep in mind that a channel > > which appears good on a TV may appear bad on a PC because PC monitors > > are much better so defects are more visibles) > > you are right, there are channels with better and lower quality, but I do > think there should not be a big difference between Win2000 and Linux. As both receive the same MPEG bits, you have to find a solution which involves deinterlacing, deblocking, temporal denoising, gamma, autolevels and other postprocessing. The "scrolling text unreadable" issue is definitively related to interlace. > I looked at the sources, (.../dvb-kernel/linux/driver/media/dvb/b2c2), but I > am realy not shure how to enable the debugging. I tried to modificate the > skystar2.c (static int debug = 0, 1 and 2), but I have never seen any > difference. You activate debug mode by "modprobe skystar2 debug=1" (or 2). If you change the source, you change the default value of debug. There should be messages in dmesg output related to pid filters, then. > I don't get errors during make, but during make install The errors could be related to other drivers. I use to copy the modules manually into lib/modules/`uname -r`/misc (for my 2.3p skystar2 they are skystar2.o mt312.o and dvb-core.o on kernel 2.4.22). You are not interested in successfully compile and install everything. -- Roberto Ragusa r.ragusa at libero.it -- Info: To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe linux-dvb" as subject.
