dotfiles

commit 533c7bd19977fd918ae5da44b85cf78a99c93026
parent aa13a1fd67b1d55db4e2fe134414859dee832643
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Tue,  9 Jun 2020 16:09:33 +0200

Add script to split and tag media file based on timestamps in file

Diffstat:
A
.local/bin/ffmpeg-split
 | 
64
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 64 insertions(+), 0 deletions(-)
diff --git a/.local/bin/ffmpeg-split b/.local/bin/ffmpeg-split
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+usage() {
+	printf 'usage: %s [-aA] TIMESTAMPSFILE MEDIAFILE\n' "${0##*/}" >&2
+	printf 'OPTIONS:\n'
+	printf '  -a ARTIST\n'
+	printf '  -A ALBUM\n'
+	exit 1
+}
+
+die() {
+	printf 'error: %s\n' >&2
+	exit 1
+}
+
+if [ $# -ne 2 ]; then
+	usage
+fi
+
+if [ "$(file -ib "$1")" != "text/plain" ]; then
+	usage
+fi
+
+if [ ! -e "$1" ] || [ ! -e "$2" ]; then
+	die "could not read $1 or $2"
+fi
+
+artist=""
+album=""
+while :; do
+	case "$1" in
+		-a) artist="$2"; shift;;
+		-A) album="$2"; shift;;
+		*) break
+	esac
+	shift
+done
+
+i=1
+tracks="$(awk 'END{ print NR }' "$1")"
+while [ "$i" -le "$tracks" ]; do
+	printf 'track %d: ' "$i"
+	t_start="$(awk -v i="$i" '{ 
+		if (NR==i) {
+			match($0, /[0-9]*:*[0-9]+:[0-5][0-9]/)
+			print(substr($0, RSTART, RLENGTH))
+		}}' "$1")"
+	t_end="$(awk -v i="$i" '{ 
+		if (NR==i+1) {
+			match($0, /[0-9]+:[0-5][0-9]/)
+			print(substr($0, RSTART, RLENGTH))
+		}}' "$1")"
+	title="$(sed -n "s/ *(*[0-9]*:*[0-9]*[0-9]:[0-9][0-9])*//;${i}p" "$1")"
+	if [ -z "$t_end" ]; then
+		t_end="$(ffprobe "$2" 2>&1 | grep 'Duration: ' |\
+				 sed 's/,.*//;s/.* //')"
+	fi
+	printf '%s to %s\n' "$t_start" "$t_end"
+	out="$(printf '%02d %s - %s.%s' "$i" "${2%.*}" "$title" "${2##*.}")"
+	ffmpeg -y -ss "$t_start" -to "$t_end" -i "$2" "$out"
+	id3tag --track="$i" --song="$title" --artist="$artist" --album="$album"\
+		"$out"
+	i=$(( i + 1 ))
+done