[FFmpeg-user] Colorbalance and Curves video filter produces unusable\unviewable output.

Paul B Mahol onemda at gmail.com
Fri May 17 16:24:22 CEST 2013

On 5/17/13, Casey Bateman <casey.bateman at hudl.com> wrote:
> While using the following command the output video becomes unusable and
> unviewable. The video details from the input video are size of HD1280x720,
> and bitrate of 3000k.
> ffmpeg -y -i input.mp4 -vf "colorbalance=rs=-0.5:bs=0.5:bh=-0.5:rh=0.5"
> -vcodec libx264 -r 29.97 -bt 3000k outputvid.mp4

I need full uncut console output.

But lets play little guessing game:

colorbalance works in rgb colorspace only and whatever you used to view video
does not support such h264 profile, use something like this:

 ffmpeg -y -i input.mp4 -vf "colorbalance=rs=-0.5:bs=0.5:bh=-0.5:rh=0.5"
 -vcodec libx264 -r 29.97 -bt 3000k -pix_fmt yuv420p outputvid.mp4

> From ffmpeg command line it appears to process appropriately. However the
> output video produced shows a video size of 16x160 and the video is shot.
> Any ideas? Any more information needed?
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