[vlc] PTS is out of range, dropping buffer

[samir_s at MIT.EDU]

This problem happens in many cases, one of which is an insufficient 
CPU. Another
case if the video streamed has a bitrate which is larger than the bandwidth of
the channel and thus the video freezes.

Quoting Howard <changhoward1980 at aol.com>:

> Hi,
>    I have exactly the same symptom with you. I use 0.8.6f and run on
> Windows XP Pro SP1.
>    Any help is appreciated!!
>
>    Thanks
>
> -----Original Message-----
> From: vlc-bounces at videolan.org [mailto:vlc-bounces at videolan.org] On Behalf
> Of Matthias Kaehlcke
> Sent: Wednesday, August 20, 2008 7:39 PM
> To: vlc at videolan.org
> Subject: [vlc] PTS is out of range, dropping buffer
>
> hi,
>
> i use vlc v0.8.6i on a linux embedded system (ep9301 / ARM) with a 2.4
> kernel for playing music from a mp3 streaming server. at the beginning
> (~ 15-30 minutes) the audio reproduction in general works fine (though
> i observe minor interruptions), but at some point it stops
> completely (the vlc input thread still receives data from the
> streaming server, but no sound audio output. the log (a resume is
> attached to this mail) is full of "PTS is out of range (xxx), dropping
> buffer" messages.
>
> my guess is that the output thread considers that the buffers are
> 'expired' (PTS < mdate() + AOUT_MIN_PREPARE_TIME). could it be that
> the pool of output buffers is full of 'expired' buffers? maybe the
> origin of the problem is that the CPU isn't fast enough to decode
> buffers (it's the only computing intensive task it does on the system)
> or some bottleneck in the audio driver/hardware (though iirc
> communication with the audio device is handled in another thread).
>
> any ideas?
>
> --
> Matthias Kaehlcke
> Embedded Linux Engineer
> Barcelona
>
>    Ma patrie est où je suis, où personne ne me dérange, où personne
>    ne me demande que je suis, d'où je viens et ce que je fais
>                              (B. Traven)
>                                                                 .''`.
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>
>
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