ffmpegHow to set bitrate for H.264 codec
ffmpeg -i in.mp4 -c:v libx264 -preset slow -crf 18 -c:a copy out.mkvctrl + cffmpegname of the package to install | -i in.mp4input video file |
-c:v libx264use H.264 codec | -presetspecify preset (mode) to use for conversion, where |
-crf 18preferred quality level ( | -c:a copycopy audio without converting |
out.mkvresulting file | |
Usage example
ffmpeg -hide_banner -f lavfi -i nullsrc -c:v libx264 -preset help -f mp4 - 2>&1 | grep Possibleoutput
[libx264 @ 0x561c3c9d3ec0] Possible presets: ultrafast superfast veryfast faster fast medium slow slower veryslow placebo
[libx264 @ 0x561c3c9d3ec0] Possible tunes: film animation grain stillimage psnr ssim fastdecode zerolatency
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