[mythtv-users] MythTV on PPC

Cedar McKay cedarmckay at mac.com
Wed Apr 16 03:33:59 UTC 2003


well, I had time to try out your patch. It applied cleanly and using 
"750" for the arch seemed to do the right thing. Once installed I gave 
it a whirl with mixed results. The frontend worked beautifully.  
Watching a recording also yielded really great looking smooth playback 
of my 480x480 mpeg4 recordings. I was pretty happy that my old 400mhz 
imac could do that (and easily it seems!)  However, recordings had 
messed up sound. It sounded like HAL from 2001 when he is being shut 
down. Slowwww and lowwww. Sounded like a drug trip. However, the sound 
did seem to somewhat match the action.

Console showed this message:

[cedar at localhost cedar]$ mythfrontend
connecting to backend server: 192.168.1.102:6543
Setting PCM volume: : Invalid argument
Reading PCM volume: : Invalid argument
Changing from None to WatchingPreRecorded
audio device cannot report buffer state accurately,
audio/video sync will be bad, continuing anyway
Over/underscanning. V: 0.000000, H: 0.000000, XOff: 0, YOff: 0
Using XV port 61



Otherwise sound seems to work fine on this system with Mandrake 9.1. I 
know that doesn't really make it myth's (or your patch's) fault yet, 
because a lot of people seem to have working sound, but still have 
trouble getting sound to work with mythtv. However, I'm not trying for 
recording and playing at the same time so I don't need duplex, so I was 
hoping it would just work. Any ideas?

I thought of manually installing alsa from source  since that worked to 
get my x86 mandrake 9.1 sound working with mythtv, where the included 
alsa didn't work for me. But I don't know the name of the sound card in 
this imac, and couldn't really figure it out from the sound cards page 
on the alsa website, so i didn't do that.

Finally, here is my modules.conf file:

alias eth0 gmac
probeall usb-interface usb-ohci
alias ieee1394-controller ohci1394
alias sound-slot-0 dmasound_pmac


pretty simple eh? Anyway, if anyone has any advice, or success getting 
this going on an imac, I would love to hear about it. In the meantime I 
appreciate your work with the patches, I'm a lot closer than I was 
before!


best,
Cedar

ps
Mandrake 9.1 seems really snappy on my imac! It rivals the 
responsiveness and perceived quickness of my much faster amd system. 
However that impression was different during the compile. That took a 
really long time.



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