Conversión de video para Nexus One
Existe una matriz de conversión para ffmpeg para teléfonos con android que expongo a continuación:
| device | screen resolution | command | 
| Nexus One (if input video size > 800x480) | 800x480 | ffmpeg -i INPUT -y -f mp4 -vcodec mpeg4 -sameq -s 800x480 -acodec aac -ab 160000 -r 18 OUTPUT | 
| Nexus One (if input video size <= 800x480) | 800x480 | ffmpeg -i INPUT -y -f mp4 -vcodec mpeg4 -sameq -acodec aac -ab 160000 -r 18 OUTPUT | 
| Dream / G1 - if input video size > 480x320 | 480x320 | ffmpeg -i INPUT -y -f mp4 -vcodec mpeg4 -sameq -s 480x320 -acodec aac -ab 160000 -r 18 OUTPUT | 
| Dream / G1 - if input video size <= 480x320 | 480x320 | ffmpeg -i INPUT -y -f mp4 -vcodec mpeg4 -sameq -acodec aac -ab 160000 -r 18 OUTPUT | 
| Magic / myTouch | 480x320 | same as G1 | 
| Droid (if input video size > 854x480) | 854x480 | ffmpeg -i INPUT -y -f mp4 -vcodec mpeg4 -sameq -s 854x480-acodec aac -ab 160000 -r 18 OUTPUT | 
| Droid (if input video size <= 854x480) | 854x480 | ffmpeg -i INPUT -y -f mp4 -vcodec mpeg4 -sameq -acodec aac -ab 160000 -r 18 OUTPUT | 
| Eris / Desire | 480x320 | same as G1 | 
| Hero | 480x320 | same as G1 | 
| Cliq / DEXT | 480x320 | same as G1 | 
| Behold II | 480x320 | same as G1 | 
Si quereis usar Handbrake en su versión de linea de comandos podeis utilizar:
HandBrakeCLI -i "INPUT" -o "OUTPUT" -f mp4 -e x264 -q 0.60 --loose-anamorphic -x level=30:cabac=0:ref=2:mixed-refs:analyse=all:me=umh:no-fast-pskip=1 --deblock -E faac -B 128 -R 48 -6 dpl2