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April 23, 2024 06:22
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Fancy encoding of a wav file (or possibly others in the future) to youtube format
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| # Based on example here https://trac.ffmpeg.org/wiki/Encode/YouTube | |
| text=$(basename $1 .wav) | |
| ffmpeg -i $1 -filter_complex \ | |
| "[0:a]avectorscope=s=640x518,pad=1280:720[vs]; \ | |
| [0:a]showspectrum=mode=separate:color=intensity:scale=cbrt:s=640x518[ss]; \ | |
| [0:a]showwaves=s=1280x202:mode=line[sw]; \ | |
| [vs][ss]overlay=w[bg]; \ | |
| [bg][sw]overlay=0:H-h,drawtext=fontfile=/usr/share/fonts/truetype/fonts-japanese-gothic.ttf:fontcolor=white:x=10:y=10:text=$text[out]" \ | |
| -map "[out]" -map 0:a -c:v libx264 -preset fast -crf 18 -c:a copy $text.mkv |
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