On Sat, 20 Feb 2010 19:27:03 JST
[email protected] (Andrew Church) wrote:
> * Otherwise, use CRF mode. The value N in the "crf=N" parameter seems
> to correspond roughly to the average quantization level (QP); in my
> tests, I generally got a QP of crf-1.5 in I-frames and crf+1.5 in
> P-frames, with B-frames somewhat higher. There are probably better
> references elsewhere on the web, but my rough (and again totally
> unscientific) feeling is:
> - crf=20: high quality (if you're familiar with videotapes, think
> "SP mode")
> - crf=25: good quality ("LP mode")
> - crf=30: fair quality, low bitrate ("EP mode")
Thanks, but could you provide the correct syntax to export to
h264 (-y ffmpeg -F h264)? No matter what option I use, it will always
complain ffmpeg uses broken settings for x264.
What options and settings exactly do you use? Thank you!
--
Linux 2.6.32: Man-Eating Seals of Antiquity
