FFmpeg: Difference between revisions
Changed argument from withOpenGL to withOpengl due to error unexpected argument 'withOpenGL' ... Did you mean one of withOpenal, withOpencl or withOpengl? |
Kernelb00t (talk | contribs) m Remove old build overrides (OpenGL), add Nvidia informations, clarify which options can be used to enable functionalities, give a list of disabled-per-default options as per the build informations. |
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=== More codecs === | === More codecs === | ||
Adding more functionality to | Adding more functionality to FFmpeg is possible, but it will require compiling on your local system. | ||
Enabling unfree dependencies allow use of Nvidia features, the FDK AAC decoder, and a lot more. Review build informations to check which flags are enabled by this option: | |||
<syntaxhighlight lang="nix"> | <syntaxhighlight lang="nix"> | ||
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</syntaxhighlight> | </syntaxhighlight> | ||
It is possible to add support for more than one feature at a time. | It is possible to add support for more than one feature at a time. Here are some options disabled by default: | ||
<syntaxhighlight lang="nix"> | <syntaxhighlight lang="nix">environment.systemPackages = [ | ||
environment.systemPackages = [ | (pkgs.ffmpeg-full.override { | ||
(pkgs.ffmpeg-full.override { withUnfree = | withUnfree = false; # Allow unfree dependencies (for Nvidia features notably) | ||
withMetal = false; # Use Metal API on Mac. Unfree and requires manual downloading of files | |||
</syntaxhighlight> | withMfx = false; # Hardware acceleration via the deprecated intel-media-sdk/libmfx. Use oneVPL instead (enabled by default) from Intel's oneAPI. | ||
withTensorflow = false; # Tensorflow dnn backend support (Increases closure size by ~390 MiB) | |||
withSmallBuild = false; # Prefer binary size to performance. | |||
withDebug = false; # Build using debug options | |||
}) | |||
];</syntaxhighlight>For more options and overrides, check out the FFmpeg build informations : | |||
https://github.com/NixOS/nixpkgs/blob/nixos-unstable/pkgs/development/libraries/ffmpeg/generic.nix | |||
=== Speeding up install === | === Speeding up install === | ||
It's possible to speed up the install. After compiling is finished, a series of generic checks are run. To skip these checks, we need to set doCheck to false. Here is an example of adding FDK AAC support, and skipping post build checks. | It's possible to speed up the install. After compiling is finished, a series of generic checks are run. To skip these checks, we need to set doCheck to false. Here is an example of adding FDK AAC support, and skipping post build checks. | ||
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=== FFmpeg build information === | === FFmpeg build information === | ||
[[Category:Audio]] | [[Category:Audio]] | ||
[[Category:Video]] | [[Category:Video]] | ||