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| MPlayer playback w/ PVR-350 _very_ slow. http://forum.linhes.org/viewtopic.php?f=2&t=1868 |
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| Author: | Yazmon [ Wed Jun 30, 2004 10:06 am ] |
| Post subject: | MPlayer playback w/ PVR-350 _very_ slow. |
Gday, having a few issues with mplayer playback on my 350 TVOut. Basically its incredably slow. Ive installed the X Driver binary downloaded from here : http://www.gossamer-threads.com/lists/m ... sers/71238 while it speed it up a little, its still no where near good enough to be able to use. Can you playback video via the 350's tv out? (Have the lastest version of ivtv from Chris) xvinfo returns 'no adaptors found'. Is it possible to compile XVideo support for the 350? Thanks. |
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| Author: | Xsecrets [ Wed Jun 30, 2004 10:11 am ] |
| Post subject: | |
looks like you have done lots of research and know more than most anyone on this forum, so you will probably have to go to the ivtv mailing list to get the answers you seek, they are the ones developing this stuff. |
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| Author: | claybo [ Wed Jun 30, 2004 1:22 pm ] |
| Post subject: | |
There is no xv support for the PVR 350. How fast is your CPU? I ask because MPlayer, when playing with the PVR 350, relies 100% on CPU. There is no acceleration in any way. (Well, there can be MPEG2 acceleration if you install the ivtv patch and recompile MPlayer, but it's somewhat of a hack at the moment.) I get videos to play in MPlayer with my PVR 350 (and the X driver) by using -vo x11. "-vo x11" causes it to just use non-accelerated X11 video out. If you go for full screen and stretch videos out to fit full screen, they will get very, very slow if you have a slow CPU. So, like I said, videos will play if you have a powerful enough CPU. Otherwise, since playing videos on the PVR 350 relies entirely on CPU with absolutely no help from the card, you're stuck with just playing back MPEG2. |
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| Author: | Yazmon [ Thu Jul 01, 2004 2:06 am ] |
| Post subject: | |
Well I have a P4 3.2 with Hyperthreading enabled. Should be powerfull enough to render a xvid. Its not just mplayer playback that is slow though, its the whole X Environment. Just dragging windows arround is slow, its like using a really old graphics card.... I havnt loaded a wm either so I have to click to open the mplayer window.. |
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| Author: | Yazmon [ Sat Jul 03, 2004 5:48 am ] |
| Post subject: | |
I take it that the driver is the bottleneck as the CPU load isnt exactly huge and playback is still jerky. (You see tear lines as the video plays like there is no double buffering.) output from top while playing a XVid. Quote: top - 12:44:09 up 41 min, 3 users, load average: 0.40, 0.21, 0.57
Tasks: 72 total, 1 running, 71 sleeping, 0 stopped, 0 zombie Cpu(s): 5.2% us, 0.2% sy, 0.0% ni, 94.7% id, 0.0% wa, 0.0% hi, 0.0% si Mem: 482648k total, 392988k used, 89660k free, 11720k buffers Swap: 506036k total, 0k used, 506036k free, 233216k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 21068 mythtv 15 0 33984 17m 23m S 8.7 3.8 0:01.57 mplayer 20749 root 15 0 38484 36m 4028 D 1.3 7.7 0:06.96 X 1 root 16 0 1304 472 1156 S 0.0 0.1 0:01.53 init 2 root RT 0 0 0 0 S 0.0 0.0 0:00.04 migration/0 3 root 34 19 0 0 0 S 0.0 0.0 0:00.00 ksoftirqd/0 4 root RT 0 0 0 0 S 0.0 0.0 0:00.02 migration/1 |
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