Come convertire un video in 2 passate in alta qualità? PDF Stampa E-mail
Con mencoder
Prima Passata:

mencoder videosorgente.wmv -ovc xvid -xvidencopts bitrate=5000:pass=1:min_iquant=1:max_iquant=31:min_pquant=1:max_pquant=31:
min_bquant=1:max_bquant=31:nopacked:psnr:me_quality=6:quant_type=mpeg:chroma_opt:
chroma_me:hq_ac:vhq=4:bvhq=1:autoaspect:max_bframes=3 -oac mp3lame -lameopts cbr:br=64:vol=7 -ffourcc XVID -ofps 24 -o /dev/null

Seconda passata:

mencoder videosorgente.wmv -ovc xvid -xvidencopts bitrate=1000:pass=2:min_iquant=1:max_iquant=31:min_pquant=1:max_pquant=31:
min_bquant=1:max_bquant=31:nopacked:psnr:me_quality=6:quant_type=mpeg:chroma_opt:
chroma_me:hq_ac:vhq=4:bvhq=1:autoaspect:max_bframes=3 -oac mp3lame -lameopts cbr:br=128 -ffourcc XVID -ofps 24 -o risultato.avi

 
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