diff --git a/home-manager/modules/firefox/default.nix b/home-manager/modules/firefox/default.nix
index a7b41c0..44eb4f4 100644
--- a/home-manager/modules/firefox/default.nix
+++ b/home-manager/modules/firefox/default.nix
@@ -16,8 +16,13 @@ let
     "gfx.webrender.all" = true;
     "image.avif.enabled" = true;
     "image.webp.enabled" = true;
+    "media.encoder.webm.enabled" = true;
+    "media.ffmpeg.encoder.enabled" = true;
     "media.ffmpeg.vaapi.enabled" = true;
     "media.rdd-ffmpeg.enabled" = true;
+    "media.webrtc.platformencoder" = true;
+    "media.webrtc.platformencoder.sw_only" = false;
+    "media.webrtc.software_encoder.fallback" = true;
     "privacy.webrtc.allowSilencingNotifications" = true;
     "privacy.webrtc.legacyGlobalIndicator" = false;
     "security.tls.enable_0rtt_data" = false;