Slow video playback

[David Timms]

Chu Tan wrote:
> On Thu, 2007-05-31 at 12:16 +1000, David Timms wrote:
>> Chu Jeang Tan wrote:
>>> I've a 2.4Ghz P4 512k L2 cache with 768 mb ram
>>>
>>> I'm playing a WMV file that is relatively low resolution using
>>> totem/gstreamer and livna plugins.
>>>
>>> The playback is relatively slow with fair amount of lost frames, say 20%.
>>>
>>> What can I do to speed this up? I've enough memory that I'm not swapping,
>>> and I've disabled beagled.
>> What are the internal specs of the media ? mplayer from the command line 
>> gives good info. Are you trying to stream or is the file coming from 
>> local storage ?
>>
>> DaveT.
>>
> 
> Very choppy in totem/gstreamer. I am not sure if the overhead in totem
> is in gstreamer or the decoder used by gstreamer. It plays perfectly in
> MPlayer.
> 
> Info from mplayer. 
> 
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> Selected video codec: [ffwmv1] vfm: ffmpeg (FFmpeg M$ WMV1/WMV7)
> ==========================================================================
> ==========================================================================
> Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
> AUDIO: 22050 Hz, 1 ch, s16le, 20.0 kbit/5.67% (ratio: 2501->44100)
> Selected audio codec: [ffwmav2] afm: ffmpeg (DivX audio v2 (FFmpeg))
> ==========================================================================

I wanted to get an idea if the frame size and rate are particularly 
high, but it seems the decoder doesn't mention that.

I haven't really used totem to be of any further help.

DaveT.