46 lines
1.1 KiB
Plaintext
46 lines
1.1 KiB
Plaintext
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#!/usr/bin/env mksh
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# Make a video clip from a larger video
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usage() {
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if [ -n "$1" ] ; then
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echo "$1" >&2
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fi
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echo "usage: $0 to-clip start-time end-time clipname" >&2
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echo "example:" >&2
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echo " $0 ToClip.mkv 00:15:00.0 00:15:30.0 sickflips" >&2
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exit 1
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}
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die() {
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echo "err: $1" >&2
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exit 1
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}
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origfile=$1
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starttime=$2
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endtime=$3
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clipname=$4
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if [ -z "$origfile" ] || [ -z "$starttime" ] || [ -z "$endtime" ] || [ -z "$clipname" ]
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then
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usage
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fi
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if ! [ -f "$origfile" ] ; then
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usage "$origfile doesn't exist!"
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fi
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duration=$(( $(gdate -d "$endtime" "+%s") - $(gdate -d "$starttime" "+%s") )) || usage "Couldn't get clip duration"
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[ "$duration" -gt 0 ] || usage "end-time should be after start-time"
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strduration="$(gdate -ud "@${duration}" "+%H:%M:%S.%N" | cut -c-10)"
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if [ -n "$SUBSFILE" ] ; then
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ffmpeg -ss "$starttime" -copyts -i "$origfile" -ss "$starttime" -t "$strduration" -c:v libx264 -c:a mp3 -ac 2 -vf subtitles="$SUBSFILE" "$clipname.mp4"
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else
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ffmpeg -ss "$starttime" -i "$origfile" -t "$strduration" \
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-c:v libx264 -c:a mp3 $FFMPEG_PARAM -ac 2 \
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"$clipname.mp4"
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fi
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