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| x264_preset_reference [2021/10/18 01:23] – beandog | x264_preset_reference [2021/10/18 01:34] (current) – removed beandog | ||
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| - | ==== x264 preset reference ==== | ||
| - | * [[x264]] | ||
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| - | [[x264]] is well documented, and I like using it, but sometimes I want to see all the flags that a preset is using, compared to the defaults. So, I put this little table together to work as a reference. I used [[mediainfo]] to read the x264 encoding options from the video. Since x264 doesn' | ||
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| - | You can duplicate my results if you like. The source video was nyan cat jazz, which I downloaded using youtube-dl, converted to [[YUV4MPEG2]] using [[libav]], then used x264 encoder to encode the raw video into a [[Matroska]] container. | ||
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| - | < | ||
| - | $ youtube-dl http:// | ||
| - | # start at 15 seconds, encode 5 seconds, ignore audio | ||
| - | $ avconv -i AaEmCFiNqP0.flv -ss 15 -t 5 -an video.y4m | ||
| - | $ x264 --preset ultrafast -o x264_preset_ultrafast.mkv video.y4m | ||
| - | $ mediainfo x264_preset_ultrafast.mkv | ||
| - | </ | ||
