diff --git a/.local/bin/noisereduce b/.local/bin/noisereduce new file mode 100644 index 0000000..8d9598c --- /dev/null +++ b/.local/bin/noisereduce @@ -0,0 +1,81 @@ +#!/usr/bin/sh + +usage () +{ + printf "Usage : noisereduce \n" + exit +} + +# Tests for requirements +ffmpeg -version >/dev/null || { echo >&2 "We require 'ffmpeg' but it's not installed. Install it by 'sudo apt-get install ffmpeg' Aborting."; exit 1; } +sox --version >/dev/null || { echo >&2 "We require 'sox' but it's not installed. Install it by 'sudo apt-get install sox' Aborting."; exit 1; } + +if [ "$#" -ne 2 ] +then + usage +fi + +if [ ! -e "$1" ] +then + printf "File not found: %s\n" "$1" + exit +fi + +if [ -e "$2" ] +then + printf "File %s already exists, overwrite? [y/N]\n: " "$2" + read -r yn + case $yn in + [Yy]* ) ;; + * ) exit;; + esac +fi + +inBasename=$(basename "$1") +inExt="${inBasename##*.}" + +isVideoStr=$(ffprobe -v warning -show_streams "$1" | grep codec_type=video) +if [ -n "$isVideoStr" ] +then + isVideo=1 + printf "Detected %s as a video file\n" "$inBasename" +else + isVideo=0 + printf "Detected %s as an audio file\n" "$inBasename" +fi + +printf "Sample noise start time [00:00:00]: " +read -r sampleStart +if [ -z "$sampleStart" ] ; then sampleStart="00:00:00"; fi +printf "Sample noise end time [00:00:00.900]: " +read -r sampleEnd +if [ -z "$sampleEnd" ] ; then sampleEnd="00:00:00.900"; fi +printf "Noise reduction amount [0.21]: " +read -r sensitivity +if [ -z "$sensitivity" ] ; then sensitivity="0.21"; fi + + +tmpVidFile="/tmp/noiseclean_tmpvid.$inExt" +tmpAudFile="/tmp/noiseclean_tmpaud.wav" +noiseAudFile="/tmp/noiseclean_noiseaud.wav" +noiseProfFile="/tmp/noiseclean_noise.prof" +tmpAudCleanFile="/tmp/noiseclean_tmpaud-clean.wav" + +printf "Cleaning noise on %s...\n" "$1" + +if [ $isVideo -eq "1" ]; then + ffmpeg -v warning -y -i "$1" -qscale:v 0 -vcodec copy -an "$tmpVidFile" + ffmpeg -v warning -y -i "$1" -qscale:a 0 "$tmpAudFile" +else + cp "$1" "$tmpAudFile" +fi +ffmpeg -v warning -y -i "$1" -vn -ss "$sampleStart" -t "$sampleEnd" "$noiseAudFile" +sox "$noiseAudFile" -n noiseprof "$noiseProfFile" +sox "$tmpAudFile" "$tmpAudCleanFile" noisered "$noiseProfFile" "$sensitivity" +if [ $isVideo -eq "1" ]; then + ffmpeg -v warning -y -i "$tmpAudCleanFile" -i "$tmpVidFile" -vcodec copy -qscale:v 0 -qscale:a 0 "$2" +else + cp "$tmpAudCleanFile" "$2" +fi + +printf "Done"