[FFmpeg-devel] I cannot use bitrates higher than 6000k !!
Sat May 9 08:52:22 CEST 2009
(I asked this question in ffmpeg-user but nobody could help me)
I use the following command:
# ffmpeg -r 25 -s 352x288 -psnr -i foreman.yuv -b 6000k foreman.mjpeg
using this instruction, I get the average PSNR Y = 42.94. But if I increase the
bitrate to say 7000k,8000k,10000k or even higher, the average PSNR Y remains the same
and it seems that the average PSNR is saturated at 42.94!! But what is the problem?
I tried to set the maxrate and bufsize using the following command:
# ffmpeg -r 25 -s 352x288 -psnr -i foreman.yuv -maxrate 8000k -b 8000k -bufsize 8000k foreman.mjpeg
but the problem still remains! Any idea?
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