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ffmpeg: h264 encoding, simple
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| * crf | |
| ffmpeg -i input -c:v libx264 -preset slow -crf 22 -c:a copy output.mkv | |
| * 2pass | |
| ffmpeg -y -i input -c:v libx264 -preset medium -b:v 555k -pass 1 -an -f mp4 /dev/null && \ | |
| ffmpeg -i input -c:v libx264 -preset medium -b:v 555k -pass 2 -c:a libfdk_aac -b:a 128k output.mp4 | |
| * lossless | |
| ffmpeg -i input -c:v libx264 -preset ultrafast -qp 0 output.mkv |
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