Dashtube (bash)

dashtube-dl.sh

#!/bin/bash
id=$(youtube-dl --no-playlist --get-id -- $1 | tr -d '\r')
if [[ $? -ne 0 ]]; then
	exit $?
fi

desc=$(youtube-dl --no-playlist --get-title -- $1 | tr -cd '[:alnum:][:space:]' | tr -d '\r')


echo "id is ${id}"
echo "input is ${1}"
echo "title is ${desc}"

# Try for 1440p,
# Then 60fps 1080p / 720p,
# Then 1080p / 720p,
# Then 480p
# http://en.wikipedia.org/wiki/YouTube#Quality_and_codecs
youtube-dl --no-playlist -f 264/299/298/137/136/135 -o "dl_${id}_v.mp4" -- $1
if [[ $? -ne 0 ]]; then
	exit $?
fi

youtube-dl --no-playlist -f 141/140/139 -o "dl_${id}_a.m4a" -- $1
if [[ $? -ne 0 ]]; then
	exit $?
fi

ffmpeg -i "dl_${id}_v.mp4" -i "dl_${id}_a.m4a" -vcodec copy -acodec copy "dl_${id}_muxed.mp4" 2>/dev/null
echo "..."

mv "dl_${id}_muxed.mp4" "${desc}.mp4"
if [[ -d ~/Downloads ]]; then
    mv "${desc}.mp4" ~/Downloads
elif [[ -d ~/download ]]; then
    mv "${desc}.mp4" ~/download
fi

if [[ $? -ne 0 ]]; then
	exit $?
else
	rm "dl_${id}_v.mp4"
    rm "dl_${id}_a.m4a"
    echo "All Done - ${desc}.mp4"
    echo
fi