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13 lines
730 B
Bash
Executable file
13 lines
730 B
Bash
Executable file
#!/bin/bash
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# inspired by https://gist.github.com/Vestride/278e13915894821e1d6f
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# https://trac.ffmpeg.org/wiki/Slideshow
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# https://trac.ffmpeg.org/wiki/Encode/H.264
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# https://sites.google.com/a/webmproject.org/wiki/ffmpeg/vp9-encoding-guide
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ffmpeg -framerate 30 -i img.%04d.png -c:v libvpx-vp9 -pass 1 -b:v 25M -speed 4 -tile-columns 6 -frame-parallel 1 -an -pix_fmt yuv420p -f webm -y /dev/null
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ffmpeg -framerate 30 -i img.%04d.png -c:v libvpx-vp9 -pass 2 -b:v 25M -speed 1 -tile-columns 6 -frame-parallel 1 -auto-alt-ref 1 -lag-in-frames 25 -pix_fmt yuv420p -f webm -y out.webm
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ffmpeg -framerate 30 -i img.%04d.png -vcodec h264 -b:v 1M -strict -2 -pix_fmt yuv420p -preset veryslow -crf 20 -movflags +faststart -y out.mp4
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