Hi.

Following Kdenlive bug 2318 ( http://kdenlive.org/mantis/view.php?id=2318 ), I 
discovered a bug in FFmpeg's argument handling, bug report is here:
https://ffmpeg.org/trac/ffmpeg/ticket/491

The bug was acknowledged, but the answer from an FFmpeg's developer is that we 
should use the "vb" option instead of the "b" option to set the video bitrate 
(that is compatible with previous versions).

However, in my tests, the "vb" option works in FFmpeg, but not in MLT:


ffmpeg -i 00006.MTS -acodec mp2 -vcodec mpeg2video -vb 12000k test.mpg

gives a high bitrate output clip.

melt 00006.MTS -consumer avformat:test2.mpg acodec=mp2 vcodec=mpeg2video 
vb=12000k

gives a default low bitrate output clip.


Dan, do you have an idea if this is easily fixable? Probably related to 
AVOption...

regards
jb
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