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679 B · 16 lines
Shell
1234567891011121314151617#!/bin/bash
# Splits a video stream apart into video and audio files and checks the discrepancy between them
set -euo pipefail
dir="$(mktemp -d)"ffmpeg -i "$1" -vn -c:a copy "$dir/audio.mkv" 2>/dev/null >/dev/nullffmpeg -i "$1" -an -c:v copy "$dir/video.mkv" 2>/dev/null >/dev/nullvideoDuration=$(gst-discoverer-1.0 "$dir/video.mkv" | grep "Duration" | sed 's/ Duration: 0:00:0//')audioDuration=$(gst-discoverer-1.0 "$dir/audio.mkv" | grep "Duration" | sed 's/ Duration: 0:00:0//')
echo "Video duration: $videoDuration"echo "Audio duration: $audioDuration"echo "Difference (negative means audio is longer): $(node -p "$videoDuration - $audioDuration")"rm -rf "$dir"