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No accelerated colorspace conversion found

asked 2011-06-15 04:26:19 -0500

updated 2011-09-03 20:33:02 -0500

kwc gravatar image

When i try to run some custom node to process some .avi video i have this error : i guess this error is related to opencv , i have tried all the sloutions , even recompiled vision_opencv with FFMPEG flag on , and urgraded ffmped with --enable-shared --enable-gpl --enable-swscale , but still no luck .

[swscaler @ 0x842fa20]No accelerated colorspace conversion found.
[swscaler @ 0x848aa80]No accelerated colorspace conversion found.
Last message repeated 10 times
[swscaler @ 0x8497c80]No accelerated colorspace conversion found.
[swscaler @ 0x848aa80]No accelerated colorspace conversion found.
Last message repeated 10 times
[swscaler @ 0x8497c60]No accelerated colorspace conversion found.
[swscaler @ 0x848aa80]No accelerated colorspace conversion found.
Last message repeated 10 times
[swscaler @ 0x8495730]No accelerated colorspace conversion found.
[swscaler @ 0x848aa80]No accelerated colorspace conversion found.
Last message repeated 10 times
[swscaler @ 0x8492ae0]No accelerated colorspace conversion found.
[swscaler @ 0x848aa80]No accelerated colorspace conversion found.
Last message repeated 10 times
[swscaler @ 0x8492d00]No accelerated colorspace conversion found.
[swscaler @ 0x848aa80]No accelerated colorspace conversion found.
Last message repeated 10 times
[swscaler @ 0x8491c70]No accelerated colorspace conversion found.
[swscaler @ 0x848aa80]No accelerated colorspace conversion found

i can't proceed with my project , until i sort this out and i already have wasted more than 10hrs on this problem , so if you guys think of any solution i would be glad to try it out .

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What's the content/properties of the avi movie? How does your code look like? KoenBuys ( 2011-06-16 12:08:36 -0500 )edit
i converted the avi file to the standard avi file format used by openCV using "mencoder in.avi -ovc raw -vf format=i420 -o out.avi ",so i guess the file is not the problem. Actually don't worry about it, as the problem was something else ,this was just a warning.sorry for the inconvenience caused . rajat ( 2011-06-20 04:43:25 -0500 )edit

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answered 2011-06-17 16:33:00 -0500

Vincent Rabaud gravatar image

This is an ffmpeg bug/feature: not all conversions are accelerated. When compiling my own ffmepg 0.6.2 or 0.7 rc1, those warnings disappeared (the Ubuntu version seems to have them). Not sure of the flags to use though.

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Asked: 2011-06-15 04:26:19 -0500

Seen: 1,175 times

Last updated: Jun 17 '11