[FFmpeg-user] Screencast looks foggy
nicolas.george at normalesup.org
Fri Nov 16 19:11:48 CET 2012
Le sextidi 26 brumaire, an CCXXI, Andre Kloth a écrit :
The file you show here is shows:
Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p
This contradicts your claim to use -vcodec libx264.
> However, I'm not sure if the problem results from the conversion from BGRA to
> YUV420p when recording with x264 (ffmpeg output: "Incompatible pixel format
> 'bgra' for codec 'libx264', auto-selecting format 'yuv420p'").
I do not see the "fog" you speak about, but I see the blurring typical to
libx264 can encode to yuv444p, that does not have chroma sub-sampling. It is
compatible with less decoders.
ffmpeg also have libx264rgb, to abuse x264 into encoding RGB. This is even
> Maybe I should just apply some gamma correction?
No, that is completely unrelated.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 198 bytes
Desc: Digital signature
More information about the ffmpeg-user