[MPlayer-users] Problem reading audio,

[Guillaume POIRIER]

Hi,

On 11/6/05, John <geearf at free.fr> wrote:
> Hello,
>
>
> I have a problem with mplayer, but yet I am not quite sure where it
> comes from.
> When playing a video in an mp4 container with mp3 audio and X264 for the
> video, the sound is not good, sometimes I can hear some 'artifacts' and
> some other times the sound just repeats itself. I have build various CVS
> of mplayer, ffmpeg and x.264 but nothing changed this.
>
> I have been told by some people having the same problem that it might be
> just a problem reading the header of the mp3 in the mp4 container or
> something like this, but I cannot be sure.
>
> I am having lot of these :
>
> mpg123: Can't rewind stream by 28 bits!3  51/ 51 34% 10% 55.5% 16 0 17%
> mpg123: Can't rewind stream by 36 bits!7  52/ 52 34% 10% 52.8% 17 0 39%
>
> And sometimes also the "Your system is too SLOW to play this!" , but I
> shoul not I think.
> My computer is a laptop with a P m 1.3GHz 512Mb and a radeon m9000. It
> should be enough, but even with framedrop quality low and all, I'm
> having the sluggish audio.

Would you happen to be using an audio driver different than oss or
alsa? I've had many prolems with esd and arts in the past.


> I don't have any problem reading this file with VLC, and as both players
> are somehow built upon ffmpeg, I am not quite sure where my problem
> comes from.
>
> Thanks for any help,

Are you the person who sent me a pm on hw.fr?


> If anyone wants, I should be able to provide a sample of the file, I
> just need to search for how cutting a video without vdub ;)

Though I don't have much experience with mp4, I don't think vdub will
do a good job at this. I think your should have a look at mp4box
instead.

Guillaume
--
Reading doesn't hurt, really!
 -- Dominik 'Rathann' Mierzejewski