[MPlayer-users] Re: A/V sync problems on portable device

[Christopher J. Bottaro]

<posted & mailed>

Kichigai Mentat wrote:

> On Jul 3, 2005, at 11.41, Christopher J. Bottaro wrote:
> 
>> Hi,
>> I use mencoder to encode videos to be played back on my iAudio X5.
>> The
>> problem is that the A/V gradually desyncs over time (after 10-15
>> mins, is
>> pretty noticeable).  This only happens when playing back on the
>> X5.  The
>> A/V is synced fine when playing back the video on my computer using
>> mplayer.
>>
>> Here is the mencoder command line that I'm using:
>>
>> mencoder dvd://1 test.avi -oac lavc -ovc lavc -lavcopts
>> vcodec=mpeg4:vbitrate=230:acodec=mp3:abitrate=96:vmax_b_frames=0 -vf
>> scale=160:128 -af volnorm,lavcresample=44100 -srate 44100 -af-adv
>> force=1
>                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
> Is the X5 capable of that?

You mean the sampling rate?  Yeah.  The X5 can play 160x128 resolution,
XVID, DIVX, 256 video bitrate, 128 audio bitrate, 15 fps, and supposedly
the audio has to be sampled at 44100 (khz?)  I get the same problem if I
don't resample the audio and it stays at 48000 or whatever the "standard"
is.

Thanks for the help.

>> -ofps 14000/1001
>>
>> mplayer -v
>> MPlayer 1.0pre7-3.4.3 (C) 2000-2005 MPlayer Team
>> On FC3.
>>
>> Any ideas or suggestions?  Thank you.
>>
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