Youtube player for raspberry pi. Using pip version of Youtube-DL and omxplayer that comes default in Raspbian.

ytp.sh

#!/bin/bash

# youtube url player for raspberry pi, 
# ------------------------------------------------------------------

ytdlCmd="youtube-dl"; 
ytdlArgs="-f 140 --prefer-ffmpeg -g"; # 141 - 256k audio, 140 - 128k audio, 22 - best quality available

playerCmd="omxplayer";
playerArgs="--vol -300";

cacheFile="$HOME/.ytdlCache";

# required
# ------------------------------------------------------------------
if [ "$(which $ytdlCmd && echo 1 || echo 0)" = 0 ];
then
	echo "Need to have $ytdlCmd in path.";
	exit 1; 
fi;

if [ "$(which $playerCmd && echo 1 || echo 0)" = 0 ];
then
	echo "Need to have $playerCmd in path.";
	exit 1; 
fi;

# functions
# ------------------------------------------------------------------
getPlayableUrl () 
{
	[[ -z "$1" ]] && exit;
	echo "$($ytdlCmd $ytdlArgs "$1")";
}

playFile ()
{
	[[ -z "$1" ]] && exit;
	$playerCmd $playerArgs "$1";
	echo "Done Playing";
}

writeInfo ()
{
	local url="$1";
	local murl;
	[[ -z "$2" ]] && murl="$(getPlayableUrl $url)" || murl="$2";

	echo;
	echo "Source URL : $url";
	echo "Playing URL : $murl";
	echo;

	echo "CMD: grep -q -e '$url' $cacheFile && echo 1 || echo 0";
	echo "RES: $(grep -q -e '$url' $cacheFile && echo 1 || echo 0)";

	if [ "$(grep -q -e '$url' $cacheFile && echo 1 || echo 0)" = 0 ];
	then
		echo;
		echo "Writing to file";
		echo "<ytUrl>$url</ytUrl><pUrl>$murl</pUrl>" >> $cacheFile;
		echo "Done.";
		echo;
	else
		echo;
		echo "Not writing to file";
		echo "Link exists in cache.";
		echo;
	fi;
}

ytPlay () 
{
	local url="$1";
	local murl="$(getPlayableUrl "$url")";

	writeInfo "$url" "$murl";
	playFile "$murl";
}

lsLinks () 
{
	if [ -e "$cacheFile" ];
	then
		grep -io -e '<ytUrl>.*</ytUrl>' $cacheFile | sed -e 's_[<|</]ytUrl>__g' | sed -e 's_<$__g' | sort | uniq;
	else
		echo "No cache found at path: $cacheFile"
		exit 1;
	fi;

}

ytPlayRandomCached () 
{
	if [ -e "$cacheFile" ];
	then
		local url="$(lsLinks | shuf -n 1)";
		echo "Playing Url: $url";
		ytPlay "$url";
	else
		echo "No cache found at path: $cacheFile"
		exit 1;
	fi;
}

# cli
# ------------------------------------------------------------------
cli () 
{
	case "$1" in
		"r") ytPlayRandomCached; exit;
		;;
		"w") shift; writeInfo "$@"; exit;
		;;
		"rl") while true; do ytPlayRandomCached; done;
		;;
		"ls") lsLinks;
		;;
		*) ytPlay "$@";
		;;
	esac
}

# if not sourcing, run
# ------------------------------------------------------------------
[[ "$0" == "$BASH_SOURCE" ]] && cli "$@";
exit;