Are you using the 350 mpeg decoder for livetv or playing it with the Xv code in myth?
John --- [EMAIL PROTECTED] wrote: > I just noticed that, regarding comment #1, the > entire > video region seems to be displaced upward a litle > bit, > clipping a little at the top. The information box > on > the OSD is just slightly getting clipped by the top > of > the TV. > > --- [EMAIL PROTECTED] wrote: > > > OK here's my experience. It's similar to Lucas's > > experience. > > > > Let me say first, I'm in NTSC-land. And overall > it > > looks very nice. Thank you Ian and John for your > > great work. > > > > 1) First thing I notice is the black bar on the > > bottom. On my TV it's about 6-7% of the vertical > > distance of the screen, across the width of the > > screen. > > 2) Live TV video is a little blurry. Close > > inspection > > while paused, or while looking at the OSD shows > that > > there is some problems with the scanlinens (i.e. > odd > > vs. even). Each frame is made up of two > ghost-lets, > > vertically displaced by about 2 or so scan lines > > from > > each other. It's as if the odd scan line > > information > > is being fed to the even rasters, and vice versa. > > It > > also has the effect of making some of on-screen > > fonts > > look like they are underlined. I don't see this > in > > framebuffer graphics like the MythTV menus. It's > > particularly obvious with the OSD graphics. > > 3) The first time I started live TV, the OSD was > > displaced to the right of where it's supposed to > be. > > > > OSD elements were running off to the right of the > > screen. However, I exited, played something in > > xine, > > and went back to live TV and now the OSD elements > > are > > properly centered. Interesting. > > 4) video in xine is shifted to the left by ~10% of > > the > > screen width, including the OSD elements, > resulting > > in > > a black bar along the right side of the screen. > > Video > > aspect ratios do indeed change correctly (yay!), > > though with a horizontal offset. xine is also > > showing > > the vertical scanline stuff mentioned in #2, > causing > > somem blurring. > > 5) I don't see any tearing (stairing?) anymore. > It > > may just be in my mind, but the video looks quite > a > > bit smoother. Scratch that. I just saw a > > commercial > > that had a lot of flashing in it (black to white), > > and > > half way down the screen you could see where the > > frames weren't each fully drawn. It's harder to > see > > in regular video though. > > 6) Again, it may just be in my mind, but when > there > > is > > a lot of action on the screen, there's a > ghost-like > > effect where it looks like consecutive frames are > > being mixed or blended. Like previous frames > > "linger" > > as new frames are drawn. It could be in my mind, > > though. > > 7) Starting live TV and channel changing seems to > be > > occuring a few seconds faster. Definitely a > > noticeable improvement. > > 8) After messing around with it for ~30 minutes, > > including some rewinding and fastforwarding, no > > crashes yet. > > 9) When I start live TV it claims that it is only > 1s > > behind in the framebuffer. It used to be I'd > > generally get about 4s. If I skip backward and > > forward, it becomes 3s, pretty solid. > > 10) Xorg is showing about 12% CPU usage during > video > > playback. > > > > > > Relevant portion of /var/log/messages is attached. > > > > > > > > --- John Harvey <[EMAIL PROTECTED]> > > wrote: > > > > > I'm looking at issues with mythtv now. My issues > > are > > > even worse than this so > > > I'll try to understand what is happening. > > > John > > > > > > > -----Original Message----- > > > > From: [EMAIL PROTECTED] > > > [mailto:ivtv-devel- > > > > [EMAIL PROTECTED] On Behalf Of > Lucas > > > Meijer > > > > Sent: 26 June 2005 11:29 > > > > To: ivtv-devel@lists.sourceforge.net > > > > Subject: Re: [ivtv-devel] [PATCH] YUV scaling > > > improvements > > > > > > > > John Harvey wrote: > > > > > The attached patch is mostly the work of Ian > > > Armstrong and improves the > > > > > set up of the registers when playing back > > > various different sized > > > > registers. > > > > > > > > > > This results in improved quality of the > > picture. > > > > > > > > > > Any problems as usual then just let us know. > > > This should still work for > > > > > NTSC users but has only been tested for PAL. > > > > > > > > Heya John, > > > > > > > > I tried .3.6r which has this patch. Things > look > > > like they're getting > > > > better. I used to get crashes, but after > > disabling > > > VBI using > > > > > > > > ivtvctl -x 0 > > > > > > > > I haven't seen a crash in the last 20 hours > > orso. > > > YUV playback looks > > > > good, (still needs mpeg decode to initialize). > > > > > > > > MPEG decoding however is having some minor > > > problems. WHen watching a > > > > recording in myth: > > > > > > > > - whenever the osd is on, a black bar at the > > > bottom of the screen (over > > > > the entire width of the screen, about 1/9th of > > the > > > screens height) > > > > appears, and flickers a bit.. when the osd > goes > > > away, the bar goes away > > > > too. > > > > > > > > - pause takes a long time to take effect. with > > .2 > > > pausing is instant, > > > > with this version pause immidiately pops up > the > > > osd, with the "paused" > > > > message, but the mpeg keeps playing for > another > > > second or two. > > > > > > > > Again, not major issues, and I'm not sure at > all > > > if they're related to > > > > all the recent YUV work. My /var/log/messages > is > > > also totally full with > > > > a lot of these: > > > > > > > > Jun 26 12:20:50 mythbox ivtv: prep_user_dma: > > > SG_length 400 page_count > > > > 400 still full? > > > > Jun 26 12:20:50 mythbox ivtv-osd: > > > ivtvfb_prep_dec_dma_to_device, Error > > > > with get_user_pages: 65536 bytes, 400 pages > > > returned > > > > Jun 26 12:20:50 mythbox ivtv-osd: Error: prep > > osd > === message truncated === ------------------------------------------------------- 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
