[mythtv-users] Audio stuttering during 1080p playback

[Zern]

I'll have to try forcing it down to stereo to see if I get the same
result as you. I forgot to mention in my previous post, but I do
experience the same stuttering using mplayer as well.

Blammo wrote:
> On Thu, Feb 21, 2008 at 1:19 PM, Zern <mythtv at zernable.net> wrote:
>> Hello,
>>
>> I'm trying to diagnose a problem I'm having with bad audio stutter. I'm
>> trying to play a mkv file containing H264 video at 1080P and with DTS
>> audio. I'm using ffmpeg and xv-blit renderer with spdif passthrough. I'm
>> also running a recent SVN version.
>>
>> The video plays beautifully and is perfectly smooth, however the audio
>> it horribly stuttered. Anything else, both HD and SD plays fine, except
>> for files with this specific encoding (I've tried 2 files).
> 
> I have the same problem. I've thrown RAM, processor, motherboard, etc,
> at the problem, all to no avail. I discovered one other thing, at
> least for me.. if I force it to stereo-2-channel, it doesn't stutter.
> 
> Either way, I'm running about 35% CPU usage on a 3.2g dual-core box
> with tons of ram..
> 
> I _think_ it's a bug in FFMPEG, but it happens with ffmpeg, xine, and mplayer..
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