No accelerated colorspace conversion found

edit

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 .