[G4] Quicktime MP4 problems!

[David DelMonte]

Your video card has only 32mb of vram. You might want to upgrade  
that. First though, you might want to test other mp4 files. If they  
exhibit the same behavior, upgrade, otherwise....

David

On Jan 13, 2007, at 6:03 PM, Thomas J. Fobia wrote:

> Richard, Im not getting much information out of those Log files.  
> Maybe the other information you mentioned that I have inserted  
> below will give you a clue as to what might be going on with this  
> machine. Thanks for you suggestions!
> Tom
>
> Richard Klein wrote:
>
>> Thomas J. Fobia wrote:
>>
>>> Hello all,
>>>
>>>    I have a downloaded a drawing lesson that is a video MP4 file.  
>>> I have a desktop Mac G4 where it doesnt play without jerks and  
>>> sound dropouts. I burned the file to a CD and took to my laptop  
>>> where it (the mp4 file) plays without any problems. The  
>>> difference between the two computer are as follows: (Both using  
>>> Quicktime 7.1.3)
>>>
>>> My Desktop G4:
>>> Mac OSX 10.4.8; 1.6 Ghz PowerPC G4 (Upgraded Powerlogix processor)
>>> Memory: 1.12GB SDRAM
>>>
>>> ATI Radeon 8500:
>>
>>
>> All those specs should be good enough to play just about any video  
>> short of 720- or 1080-line HDTV.  I suspect there's something  
>> running in the background that's keeping your Mac busy.  I don't  
>> have a solution but here's a couple things you could try:
>> -Click on the Apple icon and select Force Quit...
>>  Let us know what programs it lists; maybe we can pinpoint one of  
>> them as a resource hog.
>
> I did a shutdown, then a restart. Quicktime and still a jerky  
> playback. Force quit only listed quicktime and the finder.
>
>>
>>
>> -Click on the Apple icon and select About This Mac, then click on  
>> More Info...
>>  That puts you in the System Profiler program.  In the last  
>> section, Software, look at the Logs.  console.log, error_log, and  
>> system.log are probably the most interesting.  Look for any log  
>> entries from about the same time as when you were playing the MP4  
>> file.
>>
>> -Finally, while you're still in System Profiler, look in the last  
>> section: Startup Items.  Let us know what's listed there.
>
>
>> Heres the list:
>
> Apache:;
> AppleShare:;AppServices:;AuthServer:;CrashReporter:;Disks:;FibreChanne 
> l:;
> IFCStart:;IPServices:;Macaroni:;Metadata:;NetworkTime:;NFS:;NIS:;
> PowerLogix  
> Startup:;PrintingServices:;RemoteDesktopAgent:;SNMP:;Tablet:
>
>>
>> You might want to try playing the file with VLC, too, and see if  
>> that performs any better than Quicktime.
>> VLC was even worse than quiktime!
>
>
> Back to you Rich!
> Tom
>
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