From 865728068c965e066d0f8971c5b5ba26e12e7dce Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Thu, 24 Dec 2020 00:06:27 +0530
Subject: Adds scripts and links scripts and wallpapers

---
 scripts/music/split-album.sh | 72 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100755 scripts/music/split-album.sh

(limited to 'scripts/music/split-album.sh')

diff --git a/scripts/music/split-album.sh b/scripts/music/split-album.sh
new file mode 100755
index 0000000..d7a23a4
--- /dev/null
+++ b/scripts/music/split-album.sh
@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+MUSIC_DIR="$HOME/Downloads/music";
+EXT=opus;
+
+AUDIO_FILE="$1";
+TIMESTAMPS_FILE="$2";
+
+ALBUM_ARTIST=$(echo "$TIMESTAMPS_FILE" | sed -e 's/^.*\///g' -e 's/\.splits$//');
+
+ARTIST="$(echo $ALBUM_ARTIST | awk -F' - ' '{print $1}')";
+ALBUM="$(echo $ALBUM_ARTIST | awk -F' - ' '{print $2}')";
+
+OUT_DIR="$MUSIC_DIR/$ARTIST/$ALBUM";
+[[ ! -d "$OUT_DIR" ]] && mkdir -p "$OUT_DIR";
+
+AUDIOINFO=$(mediainfo "$AUDIO_FILE" --Output=JSON);
+DURATION=$(echo -e "$AUDIOINFO" | jq -r '.media.track[0].Duration');
+
+TOTAL_TRACKS=$(cat "$TIMESTAMPS_FILE" | wc -l);
+
+add_tags() { ~/scripts/music/tag.sh "$@"; }
+
+padd() { printf "%0${2:-2}d" $(echo $1 | cut -d'.' -f1); }
+
+to_timestamp() {
+  local duration=$1;
+  local hours=$(echo "$duration / 3600" | bc);
+  duration=$(echo "$duration % 3600" | bc);
+  local mins=$(echo "$duration / 60" | bc);
+  local secs=$(echo "$duration % 60" | bc);
+  echo "$(padd $hours):$(padd $mins):$(padd $secs)";
+}
+
+starttime="";
+music="";
+index=0;
+
+(cat "$TIMESTAMPS_FILE"; echo "<<END") | while read split; do
+  if [[ ! -z "$split" ]]; then
+    if [[ "$split" == "<<END" ]]; then
+      endtime=$(to_timestamp $DURATION);
+    else
+      endtime="$(echo $split | cut -d' ' -f1)";
+      nextmusic="$(echo $split | cut -d' ' -f 2-)";
+    fi;
+
+    if [[ ! -z "$music" ]]; then
+      output="$OUT_DIR/$(padd $index) - $music.$EXT";
+      echo "$starttime - $endtime ($output)";
+      ffmpeg \
+        -nostdin -y \
+        -loglevel -8 \
+        -i "$AUDIO_FILE" \
+        -ss "$starttime" \
+        -to "$endtime" \
+        -vn "$output" && \
+      add_tags \
+        -a "$ARTIST" \
+        -A "$ALBUM" \
+        -t "$music" \
+        -n "$music" \
+        -N "$TOTAL_TRACKS" \
+        "$output" \
+      ;
+    fi;
+
+    music=$nextmusic;
+    starttime=$endtime;
+    index=$((index + 1));
+  fi;
+done;
-- 
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