Mp4tools 2 pass encoding7/14/2023 ![]() A slower preset will provide better compression (compression is quality per filesize). PowerShell in two lines: 720p h264.mp4 2-pass output ffmpeg -ss 00:01:00 -i "1.mkv" -c:v libx264 -b:v 4M -filter:v scale=1280:720 -preset slow -c:a copy -t 00:00:15 -pass 1 output.mp4įfmpeg -ss 00:01:00 -y -i "1.mkv" -c:v libx264 -b:v 4M -filter:v scale=1280:720 -preset slow -c:a copy -t 00:00:15 -pass 2 output.mp4Ī preset is a collection of options that will provide a certain encoding speed to compression ratio. PowerShell in one line with replacement for ^ and
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