Split video, audio
Make audio file
# ffmpeg -i input.flv -vn -acodec pcm_s16le -ar 44100 -ac 2 output.wav
Make raw video file
# ffmpeg -i input.flv -b 10368000 -copyts -vsync -1 -aspect 16:9 -r 30000/1001 -f yuv4mpegpipe -an output.avi
Merge multi audio files
# sox input1.wav input2.wav output.wav
Merge multi video files
# mencoder -ovc copy -oac copy input1.avi input2.avi -aspect 16:9 -ofps 30000/1001 -o output.avi
Make NTSC DVD AC3 audio
# ffmpeg -i input_video.avi -i input_audio.wav -target ntsc-dvd -aspect 16:9 -r 30000/1001 -async 1 -vsync -1 -copyts -b 9000k -acodec ac3 -ar 48000 -ab 384k -ac 2 output.mpg
Make DVD File Format
# dvdauthor -o output_dir -t input.mpg
Finalize DVD File Format
# dvdauthor -o output_dir -T
Make ISO
# mkisofs -dvd-video -o output.iso output_dir
