videoタグ用にmp4からwebmやogvを作る

mp42ogv.sh

#!/bin/bash
#前提
#brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-theora --with-libogg
function usage(){
	cat <<EOT
Usage:
	$(basename ${0}) INPUT_MP4_FILE OUTPUT_OGV_FILE
EOT
	exit 1
}
if [ $# -eq 2 ];then
	ffmpeg -i ${1} -b:v 5M ${2}
else
	usage
fi

mp42webm.sh

#!/bin/bash
#前提
#brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aac --with-theora --with-libogg
function usage(){
	cat <<EOT
Usage:
	$(basename ${0}) INPUT_MP4_FILE OUTPUT_WEBM_FILE
EOT
	exit 1
}
if [ $# -eq 2 ];then
	ffmpeg -i ${1} -f webm -vcodec libvpx -acodec libvorbis -aq 90 -ac 2 -b:v 5M ${2}
else
	usage
fi