ffmpegでh.264を扱うパラメータ

おもてなしの空間 - psp 用に動画を変換する

`needed stuff' -acodec aac -vcodec mpeg4 width*height<=76800 width=0 height=0 -ar 24000 -r 30000/1001 or 15000/1001 -f psp `working stuff' 4mv, title `non-working stuff' B-frames `example command line' ffmpeg -i input -acodec aac -ab 128 -vcodec mpeg4 -b 1200kb -ar 24000 -mbd 2 -flags 4mv trell -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp output.mp4 `needed stuff for H.264' -acodec aac -vcodec h264 width*height<=76800 width=0? height=0? -ar 48000 -coder 1 -r 30000/1001 or 15000/1001 -f psp `working stuff for H.264' title, loop filter `non-working stuff for H.264' CAVLC `example command line' ffmpeg -i input -acodec aac -ab 128 -vcodec h264 -b 1200kb -ar 48000 -mbd 2 -coder 1 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp -flags loop -trellis 2 -partitions parti4x4 parti8x8 partp4x4 partp8x8 partb8x8 output.mp4