retocs video

ffmpeg -i movie01_text.dv  -acodec libvorbis -ac 2 -ab 160k -ar 44100
-b 700k -s 600x450  output.ogv

ffmpeg -i movie01_text.dv  -acodec libvorbis -ac 2 -ab 160k -ar 44100
-b 700k -s 600x450  output.webm

ffmpeg -i movie01_text.dv  -acodec libfaac -ab 160k -vcodec libx264
-b 700k -bt 700k -threads 0  -s 600x450  output.mp4