toys/lowquality

Get file names by format and quality constraints

toys/lowquality

@@ -0,0 +1,130 @@
+#!/bin/bash
+
+# config structures
+declare -A			\
+	destinationchannels	\
+	destinationfat32compat	\
+	destinationcopymime	\
+	destinationformat	\
+	destinationfrequency	\
+	destinationid		\
+	destinationloss		\
+	destinationmaxbps	\
+	destinationnormalize	\
+	destinationpath		\
+	destinationquality	\
+	destinationrename	\
+	destinationnoresample	\
+	destinationrenamepath	\
+	destinationskipmime	\
+|| {
+	echo "Check your Bash version. You need >= 4.0" >&2
+	exit $EBASHVERS
+}
+
+declare -r				\
+	DOCDIR=./doc			\
+	LIBDIR=./lib			\
+	SHAREDIR=./share
+declare -r				\
+	exampleconf=$DOCDIR/example.cfg	\
+	schema=$SHAREDIR/schema.sql	\
+					\
+	oldIFS="$IFS"
+
+cffile="$HOME/.atom/atom.cfg"
+LC_ALL=C
+
+shopt -s extglob
+
+for function in "$LIBDIR"/*/*
+do
+	source "$function"
+done
+
+while getopts 'fm:o:p:*:uD' opt
+do
+	case $opt in
+		f)	mimetypes+=("audio/x-flac")
+			bitrates+=("")
+		;;
+		m)	mimetypes+=("audio/mpeg")
+			bitrates+=("$OPTARG")
+		;;
+		o)	mimetypes+=("application/ogg vorbis")
+			bitrates+=("$OPTARG")
+		;;
+		p)	mimetypes+=("application/ogg opus")
+			bitrates+=("$OPTARG")
+		;;
+		\*)	mimetypes+=("*")
+			bitrates+=("$OPTARG")
+		;;
+
+		u)	update=1	;;
+		D)	(( debug++ ))	;;
+	esac
+done
+
+getConfig
+
+openDatabase
+
+if (( update ))
+then
+	getFiles
+	updateMimes
+	updateTags
+fi
+
+echo '
+	SELECT
+			mime_type_actions.mime_text,
+			tags.bitrate,
+			source_files.filename
+	FROM		source_files
+	INNER JOIN	tags
+		ON	source_files.id=tags.source_file
+	INNER JOIN	mime_type_actions
+		ON	mime_type_actions.id=source_files.mime_type
+	WHERE		mime_type_actions.action=1
+	AND (
+' >&3
+
+for indice in ${!mimetypes[@]}
+do
+	(( notfirst )) && echo OR >&3
+	case ${mimetypes[indice]} in
+		'audio/x-flac')
+			echo 'mime_type_actions.mime_text="audio/x-flac"'>&3
+		;;
+		'*')
+			echo '( (
+			NOT mime_type_actions.mime_text="audio/x-flac"
+			AND NOT mime_type_actions.mime_text="audio/mpeg"
+			AND NOT
+			mime_type_actions.mime_text="application/ogg vorbis"
+			AND NOT
+			mime_type_actions.mime_text="application/ogg opus"
+			) AND tags.bitrate < '${bitrates[indice]}' )' >&3
+		;;
+		*)
+			echo '(
+			mime_type_actions.mime_text="'"${mimetypes[indice]}"'"
+			AND tags.bitrate < '${bitrates[indice]}' )' >&3
+		;;
+	esac
+	notfirst=1
+done
+echo ') ORDER BY bitrate;' >&3
+
+echo 'SELECT "AtOM:NoMoreFiles";' >&3
+
+read -u4 line
+until [[ $line == AtOM:NoMoreFiles ]]
+do
+	echo "${line//::AtOM:SQL:Sep::/$'\t'}"
+	read -u4 line
+done
+
+closeDatabase