[mythtv] mythtv-vid branch needs testing

[Steven Adeff]

On 8/9/07, Steven Adeff <adeffs.mythtv at gmail.com> wrote:
> On 8/9/07, Petr Stehlik <pstehlik at sophics.cz> wrote:
> > Mark Kendall píše v Čt 09. 08. 2007 v 18:48 +0100:
> > > > Also, is there more than one option for scaling in the OpenGL renderer
> > > > or is the default the "best quality" its going to be able to provide?
> > >
> > > The default scaling (when needed) is bilinear filtering.
> > >
> > > At some point in the next few months, I'll finish the code I started
> > > for bicubic filtering which will be the first step towards true
> > > 'upscaling'. This is likely to require sifnificant gpu horsepower
> > > though.
> >
> > any estimation in terms of nvidia 6,7,8 production line or is it too
> > early to guess that? I was thinking about upgrading my 5200 to 6200 for
> > the mythtv-vid but I should probably wait for this bicubic magic and
> > then go straight for 7x or 8x if 6x is not enough?
> >
> > Petr
>
> well, i can tell you now that my 6200TC at stock speeds for playing
> back SD content at 1080i with the OpenGL renderer does ok, but if I
> use the OpenGL Overlay (which is gorgeous by the way) I have to
> overclock and turn off the fade to get it to not skip frames. I can't
> get 1080i to playback smoothly with the OpenGL renderer and no
> deinterlacing though.
>
> So I can imagine a 7 or 8 series will be needed for all the fancy
> stuff to be turned on.
>
> I also can't get mythvideo to playback some 1080i mpeg ps streams I
> made using mythtranscode of recordings. I get this in the log output:
> 2007-08-09 19:13:04.450 TV: Attempting to change from None to
> WatchingPreRecorded
> 2007-08-09 19:13:04.451 RingBuf(/MythTV/videos/TV/Bands Live/Late Show
> with David Letterman - 2006-11-10 - Elvis Costello and Rosanne
> Cash.hdtv.mpg): OpenFile(/MythTV/videos/TV/Bands Live/Late Show with
> David Letterman - 2006-11-10 - Elvis Costello and Rosanne
> Cash.hdtv.mpg, 12)
> 2007-08-09 19:13:04.471 RingBuf(/MythTV/videos/TV/Bands Live/Late Show
> with David Letterman - 2006-11-10 - Elvis Costello and Rosanne
> Cash.hdtv.mpg): CalcReadAheadThresh(3059227292 KB)
>                          -> threshhold(64 KB) min read(0 KB) blk size(32 KB)
> 2007-08-09 19:13:24.483 TV: StartPlayer(): took 20000 ms to start player.
> 2007-08-09 19:13:24.484 TV Error: StartPlayer(): NVP is not playing
> after 20000 msec
> 2007-08-09 19:13:24.484 TV: Changing from None to WatchingPreRecorded
> 2007-08-09 19:13:24.492 Marking recording as unwatched
> 2007-08-09 19:13:24.492 TV Error: nvp->IsPlaying() timed out
> 2007-08-09 19:13:24.492 TV: Attempting to change from
> WatchingPreRecorded to None
> 2007-08-09 19:13:24.492 TV: StopStuff() -- begin
> 2007-08-09 19:13:24.492 TV: StopStuff(): stopping ring buffer[s]
> 2007-08-09 19:13:24.511 TV: StopStuff(): stopping player[s] (1/2)
> 2007-08-09 19:13:24.511 TV: StopStuff(): stopping player[s] (2/2)
> 0: start_time: -9223372036854.775 duration: -9223372036854.775
> stream: start_time: -9223372036854.775 duration: -9223372036854.775
> bitrate=16 kb/s
> 2007-08-09 19:13:26.972 AFD Error: Could not find codec parameters.
> file was "/MythTV/videos/TV/Bands Live/Late Show with David Letterman
> - 2006-11-10 - Elvis Costello and Rosanne Cash.hdtv.mpg".
> 2007-08-09 19:13:26.972 Couldn't open decoder for:
> /MythTV/videos/TV/Bands Live/Late Show with David Letterman -
> 2006-11-10 - Elvis Costello and Rosanne Cash.hdtv.mpg
> 2007-08-09 19:13:26.984 TV: StopStuff() -- end
> 2007-08-09 19:13:26.984 TV: Changing from WatchingPreRecorded to None

Frustrating but true, it works now, though I had to eliminate all but
two of my -vid setups, now one for below 720x576 and one for greater
than or equal to 1280x720. So the one I had for 1920x1080 seems to not
have worked for that file?

Anyway, I also noticed that the Kernel (HW) deinterlacer does not seem
to be working for me for SD recordings even if I force interlaced
video scan to be on. switching back to the software version works
fine. I also notice that the Kernel (HW) deinterlacer doesn't seem to
drop my CPU use down any. Perhaps it wasn't working? Though I had the
fall back deinterlacer set to the software kernel deinterlacer.

-- 
Steve