25 lines
1.1 KiB
Bash
Executable File
25 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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ffmpeg -s:v 1024x700 -r 20 -f rawvideo -pix_fmt yuv420p -i qrawvideorgb24.yuv app2.mp4
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# The video starts with a few blank frames, we want to know when the stop
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ffprobe -f lavfi -i "movie=app2.mp4,blackdetect[out0]" -show_entries tags=lavfi.black_start,lavfi.black_end -of default=nw=1 -v quiet > ffmpeg_info
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END_OF_BLACK=`cat ffmpeg_info | grep end | head -n1 | cut -d'=' -f2`
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# Remove grey frames at the beginning (app start and splash screen)
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END_OF_BLACK=`awk "BEGIN {print $END_OF_BLACK+0.8; exit}"`
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# Trim black frames at start
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ffmpeg -s:v 1024x700 -r 20 -f rawvideo -pix_fmt yuv420p -i qrawvideorgb24.yuv -ss $END_OF_BLACK app.mp4
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# Generate gif palette
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ffmpeg -y -s:v 1024x700 -r 20 -f rawvideo -pix_fmt yuv420p -i qrawvideorgb24.yuv -vf fps=10,scale=1024:-1:flags=lanczos,palettegen palette1024.png
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# Create gif
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ffmpeg -s:v 1024x700 -r 20 -f rawvideo -pix_fmt yuv420p -i qrawvideorgb24.yuv -i palette1024.png -ss $END_OF_BLACK -filter_complex "fps=10,scale=1024:-1:flags=lanczos[x];[x][1:v]paletteuse" app1024.gif
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# Clean up
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rm ffmpeg_info palette*.png qrawvideorgb24.yuv
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mv app.mp4 ui-test.mp4
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mv app1024.gif ui-test.gif
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