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: [email protected] > > > 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 > > dma to device rc=-5 > > > > > > those three lines go on and on and on. > > > > > > Hope that helps, > > > > > > Lucas > > > > > > > > > > > > ------------------------------------------------------- > > > 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 > > > [email protected] > > > > > > https://lists.sourceforge.net/lists/listinfo/ivtv-devel > > > > > > > > > ------------------------------------------------------- > > SF.Net email is sponsored by: Discover Easy Linux > === 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 [email protected] https://lists.sourceforge.net/lists/listinfo/ivtv-devel
