Xibo

Video lagging - python client 1.6

Asked by SMarty

Hello,

I am facing some video lagging with python client 1.6 playing 1280x1080 H264 video.

I got no problem playing this video from desktop with mplayer for instance

Seems like python client has performance issues.

I am using a Macmini with Core2Duo intel processor and NVIDIA GeForce 320M graphic card.
Using Kernel 3.8 with NVIDIA 331 display drivers

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SMarty (bopieds) said : 		#1

sorry, i meant "no problem using ffmpeg"
mplayer is lagging

What player does python client use by the way ?

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Alex Harrington (alexharrington) said : 		#2

It uses libavg which uses ffmpeg

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SMarty (bopieds) said : 		#3

Hummm... so what do you think the problem could be ?

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Alex Harrington (alexharrington) said : 		#4

Well it's possible it's not using hardware acceleration properly

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SMarty (bopieds) said : 		#5

how could i improve this ?
What would you suggest ?

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Alex Harrington (alexharrington) said : 		#6

Try editing plugins/media/VideoMedia.py

Line 41:
http://bazaar.launchpad.net/~xibo-maintainers/xibo/ponswinnecke/view/head:/client/python/plugins/media/VideoMedia.py#L41

tmpXML = str('<video href="%s" id="%s" opacity="0" accelerated="1"
loop="%s" />' % (video,self.mediaNodeName,loop))

If that doesn't work, try accelerated="True"

Alex

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SMarty (bopieds) said : 		#7

Ok,

Thanks for the answer.
Tried your suggestion but without success...

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Alex Harrington (alexharrington) said : 		#8

In that case I have no further suggestions I'm afraid.

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SMarty (bopieds) said : 		#9

ok.
By the way, for the record tried with another macmini with an AMD Radeon but same problem appears.

Strange it works well with ffmpeg an not libavg which uses ffmpeg... maybe an issue with libavg version ?

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Alex Harrington (alexharrington) said : 		#10

Radion definitely won't work because the hardware acceleration is based on
nVidia vdpau

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SMarty (bopieds) said : 		#11

ok. strange it seems ok just using ffmpeg anyway.

Thank you for your help.

I leave this thread unsolved.

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