[FFmpeg-user] Video quality

[Carl Eugen Hoyos]

Hans Guth <hguth <at> listingsmagic.com> writes:

> /usr/local/bin/ffmpeg -i MOV072.flv -y -s 640x480 -r 30000/1001 -b 200k 
> -bt 240k MOV072.swf
> 
> Seems stream 0 codec frame rate differs from container frame rate: 59.94 
> (2997/50) -> 29.92 (359/12)
> Input #0, flv, from 'MOV072.flv':
>    Duration: 00:00:42.71, start: 0.000000, bitrate: 264 kb/s
>      Stream #0.0: Video: h264, yuv420p, 1920x1088, 200 kb/s, 29.92 tbr, 
> 1k tbn, 59.94 tbc
>      Stream #0.1: Audio: mp3, 22050 Hz, stereo, s16, 64 kb/s
> Output #0, swf, to 'MOV072.swf':
>      Stream #0.0: Video: flv, yuv420p, 640x480, q=2-31, 200 kb/s, 90k 
> tbn, 29.97 tbc
>      Stream #0.1: Audio: libmp3lame, 22050 Hz, stereo, s16, 64 kb/s
> Stream mapping:

(Please always post complete, uncut console output instead of the excerpt you
posted, it makes understanding your problem significantly harder.)

What happens if you significantly increase the value for -b ?
Or try 2-pass encoding.

Carl Eugen