Values available: film, animation, grain, stillimage, psnr, ssim, fastdecode, zerolatency. If your source content matches one of the available tunings you can use this, otherwise leave unset. If you specify a tuning, the changes will be applied after - preset but before all other parameters. Tune options to further optimize them for your input content. Values available: ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow, placebo. You should generally set this option to the slowest you can bear. If you specify a preset, the changes it makes will beĪpplied before all other parameters are applied. Most decoders support High profile, soĬhange options to trade off compression efficiency againstĮncoding speed. You should set this if you know your playback device only It overrides all other settings, so if you use it, you will be Options these settings toggle, check the output of x264.exe -fullhelp. X264 - output /dev/null - fps 30000/1001 - input-res 640x480 ~/input.yuvĪ system designed to reduce the work needed to generate sane,Įfficient commandlines that do what you want. X264.exe - output NUL - fps 25 - input-res 1280x720 D:\input.yuv You probably want to specify the framerate with - fps as well: When your input is raw YUV you must also tell x264 the input resolution. Specify the input video with a single positional argument. Each successive option will give more detailed information. To access this help, run x264 with -help, -longhelp or -fullhelp.
X264 comes with some inbuilt documentation. See also x264 Stats Output, x264 Stats File and x264 Encoding Suggestions. Parameters are ordered the same as their appearance in x264 -fullhelp. This page explains the purpose and use of all x264 parameters.
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