19 lines
457 B
Plaintext
19 lines
457 B
Plaintext
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#!/bin/bash
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# delay the audio by using the same video file as two inputs
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# for ffmpeg, one offset by $1 seconds. Take the video of the
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# first, the audio of the offset one. Negative offsets are ok.
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set -eu
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if [ "$#" -ne 2 ]; then
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echo "USAGE: $0 DELAY FILE"
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exit 1
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fi
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fullpath="$2"
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source fileextensions
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cd "$dir"
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ffmpeg -i "$filename.$extension" -itsoffset "$1" -i "$filename.$extension" -map 0:v -map 1:a -c copy "$filename""_delayed.$extension"
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