HTML5 FFMPEG Video Conversion

convert-to-html5.sh

#!/bin/sh

# Modified from original implementation:
# https://gist.github.com/liamcurry/2696512

# Requires ffmpeg with codec plugins
# On Mac:
# brew install ffmpeg --with-libvpx --with-theora --with-libogg --with-libvorbis --with-webp --with-rtmpdump --with-openh264 --with-fdk-aac

#  Output file for HTML5 video
#  usage: this_file.sh input.mp4 640x360

# sample_flags="-ss 30 -t 8"

target_directory='converted'
file=`basename $1`
filename=${file%.*}
filepath=`dirname $1`
destination="$filepath/$target_directory"

if ! test -d "$destination"
then
  mkdir $destination
fi

# Ogg/Theora
ffmpeg -i $1 \
  -codec:a libvorbis \
  -qscale:a 4 \
  -codec:v libtheora \
  -qscale:v 3 \
  $sample_flags \
  -s $2 $destination/$filename.ogv

# WebM/vp8
ffmpeg -i $1 \
  -acodec libvorbis \
  -qscale:a 4 \
  -c:v libvpx \
  -crf 10 \
  -b:v 2M \
  $sample_flags \
  -s $2 $destination/$filename.webm

# MP4/h264
ffmpeg -y -i $1 \
  -acodec aac -ab 96k \
  -vcodec libx264 \
  -preset medium \
  -b:v 2M \
  -pass 1 \
  $sample_flags \
  -s $2 -f mp4 /dev/null && \
ffmpeg -y -i $1 \
  -acodec aac -ab 96k \
  -vcodec libx264 \
  -preset medium \
  -b:v 2M \
  -pass 2 \
  $sample_flags \
  -s $2 $destination/$filename.mp4