[FFmpeg-user] converting 1080 to 720 mpeg2

[Andy Sheen]

John Saturday wrote on Tue 28 Feb at 11:23 UK time
>> The resulting video was very blocky. Degraded quality from the original.
> 
> Yes, this a normal at default bitrate "-b 200k"... Try with:
> 
> bitrate=0.24*1280*720*(30/1.001)/1000=6628.89 -> 6628.89/100=66.29 ~ 66*100=6600
> 
> ... add options "-b 6600"

That needs to be -b 6600k otherwise it tries a bitrate of 6600 bits per
second IIRC...

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