diff audio_key_detection/qm-keydetector/qm-keydetector.sh @ 11:14844597d4d7

Add key detector task; use explicit directory for ttl files

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/audio_key_detection/qm-keydetector/qm-keydetector.sh	Mon Sep 02 15:45:15 2013 +0100
@@ -0,0 +1,52 @@
+
+mydir=`dirname "$0"`
+infile="$1"
+outfile="$2"
+
+if [ t"$infile" = "t" ] || [ t"$outfile" = "t" ]; then
+    echo "Usage: $0 infile.wav outfile.txt"
+    exit 2
+fi
+
+mkdir -p "$mydir"/out || exit 1
+
+echo "Processing input WAV file $infile, writing results to $outfile..." 1>&2
+
+# We want output like
+#
+# Bb<TAB>minor
+#
+# Our Sonic Annotator output gives us something like that for each
+# detected key change (the feature label, in column 4), but we want
+# the modal key (modal in the statistical rather than the musical
+# sense!) and Sonic Annotator doesn't retain labels for summaries.  So
+# let's write to a temporary file, retrieve the modal value, then pick
+# the label (from earlier in the file) whose value corresponds to it.
+
+VAMP_PATH="$mydir" sonic-annotator \
+    -t "$mydir"/qm-keydetector.ttl \
+    -w csv --csv-separator ";" \
+    --csv-basedir "$mydir/out" \
+    --csv-force \
+    -S mode \
+    "$infile" || exit 1
+
+inbase=`basename "$infile"`
+inbase=${inbase%.*}
+tempfile="out/${inbase}_vamp_qm-vamp-plugins_qm-keydetector_key.csv"
+if [ ! -f "$tempfile" ]; then
+    echo "Key output file $tempfile not found! bailing out"; exit 1
+fi
+
+mode=`grep ';mode;' "$tempfile" | awk -F';' '{ print $4; }'`
+
+cat "$tempfile" | \
+    awk -F';' '{ print $2, $3 }' | \
+    grep "^$mode \"" | \
+    head -n 1 | \
+    sed -e 's/^[^"]*"//' -e 's/"[^"]*$//' -e 's,/ [^ ]* ,,' -e 's/ /\t/' \
+    > "$outfile"
+
+
+
+