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Fix grey start of demo gif

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Thomas Nordquist
2019-02-17 23:19:13 +01:00
parent 6c25b42a94
commit 795c410a92
1 changed files with 1 additions and 0 deletions
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scripts/prepareVideo.sh
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@@ -4,6 +4,7 @@ cp app.mp4 original.mp4
ffprobe -f lavfi -i "movie=app.mp4,blackdetect[out0]" -show_entries tags=lavfi.black_start,lavfi.black_end -of default=nw=1 -v quiet > ffmpeg_info ffprobe -f lavfi -i "movie=app.mp4,blackdetect[out0]" -show_entries tags=lavfi.black_start,lavfi.black_end -of default=nw=1 -v quiet > ffmpeg_info
END_OF_BLACK=`cat ffmpeg_info | grep end | head -n1 | cut -d'=' -f2` END_OF_BLACK=`cat ffmpeg_info | grep end | head -n1 | cut -d'=' -f2`
END_OF_BLACK=$[ $END_OF_BLACK + 2.2 ]
# Trim black frames at start # Trim black frames at start
ffmpeg -ss $END_OF_BLACK -i app.mp4 app2.mp4 ffmpeg -ss $END_OF_BLACK -i app.mp4 app2.mp4
mv app2.mp4 app.mp4 mv app2.mp4 app.mp4