x264/VLC problem

[jamesc]

Hi,

I'm not sure if this is a VLC or an x264 problem, but I take a HTTP stream in to VLC, transcode it in to x264 using:

no-cabac,level=12,vbv-maxrate=384,vbvbufsize=1000,keyint=75,ref=3,bframes=0

This works fine for 5-6 hours, after which time I get intermittent pixelisation (probably 50% of the frames), I'm running 20 or so concurrent transcodes on an octal core 2.4Ghz Nehalem box with 12GB of ram and is nowhere near even 50% CPU.

Has anyone got any hints on how to prevent this?

Thanks,

James

[LoRd_MuldeR]

VLC may use an outdated or even miscompiled x264 library. Did you try to encode with an up-to-date x264.exe instead of VLC?

You could oppen the HTTP stream with MEncoder and pipe it into x264.exe from there. Or you dump the entire stream first and then do the encoding...

[Dark Shikari]

Do you have an output sample of the problematic h264 stream?

[setarip_old]

@jamesc

Hi!This works fine for 5-6 hours, after which time I get intermittent pixelisation (probably 50% of the frames), I'm running 20 or so concurrent transcodes on an octal core 2.4Ghz Nehalem box with 12GB of ram and is nowhere near even 50% CPU.You might want to check whether your system is overheating and, if so, whether a cleaning of its innards is in order...