[vlc-devel] VLC & High CPU
Tony Anecito
adanecito at yahoo.com
Mon Jan 21 11:22:02 CET 2008
Forgot to mention the Dlls were from the 1/14/2008
distribution of vlc.
Maybe there is a faster version of ffmpeg after that?
Thanks,
-Tony
--- Tony Anecito <adanecito at yahoo.com> wrote:
> Hi All,
>
> I have a friend trying VLC (0.9.0b)on a fast PC
> AMD64
> X2 5600+ and noticing a high CPU (50%) when playing
> a
> video and the audio continues to move forward. The
> video and cpu (1-7%) optimization is fine for
> awhile
> while playing the video then at the same point in
> the
> movie the video stops and the CPU usage jumps up to
> 50% on one of the cores of his AMD.
> He also had a network analyzer running and saw that
> VLC packet count going into the client PC before the
> problem was over 1000 packets per frame and as the
> video slowed down the number packets eventually
> reached 0 being requested by the client. The
> progress
> bar continues to move forward and it is based off of
> the input class position.
>
> He is using the vlc dlls in the windows XP
> environment
> and a jvlc dll. What I am wondering is there a
> standard set of options that should be passed into
> the
> vlc instance when it is created? He has a very fast
> computer.
>
> I am running the same code (in my RIA) on a simular
> CPU (AMD64 X2 5200+) and I do not get this problem.
> In
> fact I can run up to 3 videos at the same time with
> no
> pauses in the video if I set the http and mms cache
> options to around 4.5 seconds.
>
> I created a test environment using Eclipse and can
> run
> two videos and sometimes get the following behavior
> along with the message:
>
> [00000593] ffmpeg decoder error: more than 5 seconds
> of late video -> dropping frame (computer too slow
> ?)
>
> Any suggestions about the issue? It almost sounds as
> if VLC might be getting into a tight loop somewhere
> (running up CPU) when the video frames start getting
> dropped?
>
> I am willing to try different suggested settings to
> see what improves the performance.
>
>
> Regards,
> Tony
>
>
>
>
>
>
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