Update: Regarding #5, I have found that I can repeatably get the crashing behavior whenever I use libmpeg2 for decoding in MythTV. I can do this by playing, say, 30s of liveTV and hiting the rewind button once. It rewinds for a second or two, goofs up the colors, and then crashes, with a great many "prebuffering pauses" in the mythfrontend log and an occasional "waited too long for a buffer".
Turning off "use libmpeg2" prevents this particular crashing behavior. I haven't verified the long-term stability, but for the short term I can't get it to crash with ffw'ing/rew'ing when libmpeg2 is turned off (ffmpeg on). Which is a shame because I get a little bit of tearing (like the vsync being off or the frame updating not being quite fast enough) when I use ffmpeg; it looks better with libmpeg2. In summary: libmpeg2 -> no tearing ("stairing"?), yes on crashing ffmpeg -> yes tearing, no on crashing (so far) So, at least for me, that leaves #1 Still unsolved (no EPG visuals during live TV) #2 "Bob" deinterlacing looks awful and hangs the system. - kernel and linear blend are OK. Probably not that important. #3 Solved - using gui.osd_use_unscaled:0 shows the OSD just fine in xine. #4 Unsolved, but it's presumably because downscaling yuv isn't implemented yet. #5 Seems to be resolved, at least for now. (turn libmpeg2 off) #6 Solved - according to J. Harvey, not important. Thank you for all your great work. --- John Harvey <[EMAIL PROTECTED]> wrote: > Can you send me your xorg.conf so I can see if > there's something there > causing 1 & 3. > Other answers/questions below > > > -----Original Message----- > > From: [EMAIL PROTECTED] > [mailto:ivtv-devel- > > [EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > > Sent: 20 June 2005 21:32 > > To: ivtv-devel@lists.sourceforge.net > > Subject: Re: [ivtv-devel] [PATCH] YUV improved > quality and NTSC > > > > Thank you. Very nice. NTSC playback looks great. > > Anti-aliased fonts, overall pretty responsive > system. > > TV playback uses 13-15% CPU. (P4 2.4GHz, MythTV > > 0.18.1, kernel 2.6.8) Rewinding and fast > forwarding > > appear more responsive and don't exhibit some of > the > > fubars that you get when doing it with the > decoder. > > > > Some quirks/bugs: > > > > 1) Myth's programming guide no longer appears > while > > watching live TV. It runs, but it's not rendered > on > > the screen. (As if alpha==0.) > > > > 2) Linear Blend and Kernel de-interlacing work > well (I > > think Kernel is slightly better), but trying "Bob" > > once hanged my system hard. > > > > 3) OSD on xine does not show up. Controls respond > > fine, but the OSD elements such as "Volume" or > > "Position in Stream" no longer appear on the > screen. > > (It's now an "Off"-Screen Display? ;) > > > > 4) Video resizing in xine does not work. I.e. I > can't > > change between "anamorphic", "4:3", "square", > "16:9", > > etc. > > > What size recording are you playing. Scaling up > works. Scaling down probably > doesn't. You could send me the stuff generated in > /var/log/messages when you > start xine with each of these options. > > > 5) Occasionally, live TV in Myth hangs. It seems > to > > coincide with a very large number (many hundreds) > of > > "prebuffering pause" messages in mythfrontend.log > > (~100 per second), interspersed with a few > > > > "Timed out waiting for free video buffers." > > > > messages until it crashes. There are no > corresponding > > errors in /var/log/messages when this happens, as > far > > as I can tell. > > > > 6)Additionally, I get this peculiar message in > > mythfrontend's log when I start live TV or a > > recording: > > > > 2005-06-20 10:52:26.709 Using XV port 52 > > X Error: BadMatch (invalid parameter attributes) 8 > > Major opcode: 140 > > Minor opcode: 14 > > Resource id: 0x165 > > 2005-06-20 10:52:26.712 Couldn't get the color key > > color, and we need it. > > You likely won't get any video. > > > > This makes sense but isn't a problem with the way > the xv driver works with > ivtv. > > > There don't seem to be any error messages in > > Xorg.1.log, however. > > > > I used the precompiled ivtvdev that was in > > ivtv-0.3.6o/utils. Let me know if you need more > > information. > > > forge.net/lists/listinfo/ivtv-devel > > > > ------------------------------------------------------- > SF.Net email is sponsored by: Discover Easy Linux > Migration Strategies > from IBM. Find simple to follow Roadmaps, > straightforward articles, > informative Webcasts and more! Get everything you > need to get up to > speed, fast. > http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click > _______________________________________________ > ivtv-devel mailing list > ivtv-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ivtv-devel > ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ ivtv-devel mailing list ivtv-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ivtv-devel