Accelerated Video Playback: Difference between revisions

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-Accelerated video playback in NixOS is generally done by adding relevant packages to {{nixos:option|hardware.opengl.extraPackages}}.
+<languages/>
+<translate>
+<!--T:1-->
+Accelerated video playback in NixOS is generally done by adding relevant packages to {{nixos:option|hardware.graphics.extraPackages}}.
+</translate>
-== Installation ==
+<translate>
-=== Intel ===
+== Installation == <!--T:18-->
+</translate>
+<translate>
+=== Intel === <!--T:19-->
+</translate>
 {{file|/etc/nixos/configuration.nix|nix|<nowiki>
 {
-   hardware.graphics = { # hardware.opengl in 24.05 and older
+   hardware.graphics = {
      enable = true;
      extraPackages = with pkgs; [
-       intel-media-driver # For Broadwell (2015) or newer processors. LIBVA_DRIVER_NAME=iHD
+       intel-media-driver # For Broadwell (2014) or newer processors. LIBVA_DRIVER_NAME=iHD
        intel-vaapi-driver # For older processors. LIBVA_DRIVER_NAME=i965
      ];
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 }
 </nowiki>}}
-For 32-bit support, use {{nixos:option|hardware.graphics.extraPackages32}}:
+<translate>
+<!--T:2-->
+Note, <code>intel-vaapi-driver</code> still performs better for browsers (gecko/chromium based) on newer Skylake (2015) processors.<ref>https://github.com/intel/media-driver/issues/1024</ref>
+</translate>
+<translate>
+<!--T:3-->
+For 32-bit support, use
+</translate> {{nixos:option|hardware.graphics.extraPackages32}}:
 {{file|/etc/nixos/configuration.nix|nix|<nowiki>
 {
-  # hardware.opengl.extraPackages32 in 24.05
    hardware.graphics.extraPackages32 = with pkgs.pkgsi686Linux; [ intel-vaapi-driver ];
 }
 </nowiki>}}
+<translate>
+=== AMD === <!--T:4-->
-=== AMD ===
+<!--T:5-->
 AMD configuration (at least for Ryzen 5 iGPUs) works out of the box:
+</translate>
 {{file|/etc/nixos/configuration.nix|nix|<nowiki>
 {
-   hardware.opengl.enable = true;
+   hardware.graphics.enable = true;
 }
 </nowiki>}}
-== Testing your configuration ==
-You can test your configuration by running: <code>nix-shell -p libva-utils --run vainfo</code>
+<translate>
+=== NVIDIA ===
+NVIDIA do not officially support accelerated video playback on Linux. A third-party implementation exists, but does not support Chrome<ref>https://github.com/elFarto/nvidia-vaapi-driver#chrome</ref>, and has significant limitations compared to the other implementations<ref>https://github.com/elFarto/nvidia-vaapi-driver#codec-support</ref>.
+NVIDIA users with a separate iGPU should generally prefer to use their iGPU for this, and therefore look to the above Intel and AMD sections instead.
+Users with only an NVIDIA GPU can attempt to use the third party implementation; the package is added to <code>hardware.graphics.extraPackages</code> by default, but it requires some additional setup to be useful<ref>https://github.com/elFarto/nvidia-vaapi-driver#configuration</ref>:
+</translate>
+{{file|/etc/nixos/configuration.nix|nix|<nowiki>
+{ config, lib, ...}: {
+  environment.variables.LIBVA_DRIVER_NAME = "nvidia"
+  # If used with Firefox
+  environment.variables.MOZ_DISABLE_RDD_SANDBOX = "1";
+  programs.firefox.preferences = let
+    ffVersion = config.programs.firefox.package.version;
+  in {
+    "media.ffmpeg.vaapi.enabled" = lib.versionOlder ffVersion "137.0.0";
+    "media.hardware-video-decoding.force-enabled" = lib.versionAtLeast ffVersion "137.0.0";
+    "media.rdd-ffmpeg.enabled" = lib.versionOlder ffVersion "97.0.0";
+    "gfx.x11-egl.force-enabled" = true;
+    "widget.dmabuf.force-enabled" = true;
-See [https://wiki.archlinux.org/index.php/Hardware_video_acceleration#Verification Arch Linux wiki#Hardware video acceleration] for more information.
+    # Set this to true if your GPU supports AV1.
+    #
+    # This can be determined by reading the output of the
+    # `vainfo` command, after the driver is enabled with
+    # the environment variable.
+    "media.av1.enabled" = false;
+  };
+}
+</nowiki>}}
+<translate>
-== Applications ==
+== Testing your configuration == <!--T:6-->
+<!--T:7-->
+You can test your configuration by running: <code>nix-shell -p libva-utils --run vainfo</code>
+</translate>
+<translate>
+<!--T:8-->
+See [https://wiki.archlinux.org/index.php/Hardware_video_acceleration#Verification Arch Linux wiki#Hardware video acceleration] for more information.
+</translate>
+<translate>
+== Applications == <!--T:9-->
+</translate>
+<translate>
+<!--T:10-->
 === Chromium ===
 See [[Chromium#Accelerated_video_playback]].
+</translate>
+<translate>
+=== Firefox === <!--T:11-->
-=== Firefox ===
+<!--T:12-->
 See [https://wiki.archlinux.org/index.php/Firefox#Hardware_video_acceleration Arch Linux wiki#Firefox].
+</translate>
-=== MPV ===
+<!--T:13-->
+<translate>
+=== MPV === <!--T:20-->
+</translate>
+<translate>
+<!--T:21-->
 You can place the following configuration in {{ic|~/.config/mpv/mpv.conf}}:
+</translate>
+<!--T:14-->
 <syntaxHighlight lang=ini>
 hwdec=auto-safe
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 </syntaxHighlight>
+<!--T:15-->
+<translate>
+<!--T:22-->
 See [https://wiki.archlinux.org/title/mpv#Hardware_video_acceleration Arch Linux wiki#mpv].
+</translate>
+<translate>
+<!--T:16-->
 == Also see ==
 * [https://wiki.archlinux.org/index.php/Hardware_video_acceleration Arch Linux wiki#Hardware video acceleration].
 * [https://github.com/NixOS/nixos-hardware nixos-hardware] has example configurations for various types of hardware.
+</translate>
 [[Category:Video]]