4 files changed, 9 insertions, 0 deletions
diff --git a/components/script/dom/baseaudiocontext.rs b/components/script/dom/baseaudiocontext.rs
index e300e2db081..96f21eeddfc 100644
--- a/components/script/dom/baseaudiocontext.rs
+++ b/components/script/dom/baseaudiocontext.rs
@@ -51,6 +51,7 @@ use servo_media::audio::context::{OfflineAudioContextOptions, RealTimeAudioConte
 use servo_media::audio::decoder::AudioDecoderCallbacks;
 use servo_media::audio::graph::NodeId;
 use servo_media::ServoMedia;
+use servo_media_auto::Backend;
 use std::cell::Cell;
 use std::collections::{HashMap, VecDeque};
 use std::mem;
@@ -108,6 +109,8 @@ impl BaseAudioContext {
             },
         };
 
+        ServoMedia::init::<Backend>();
+
         let context = BaseAudioContext {
             eventtarget: EventTarget::new_inherited(),
             audio_context_impl: ServoMedia::get()
diff --git a/components/script/dom/htmlmediaelement.rs b/components/script/dom/htmlmediaelement.rs
index fcf2b4dda4c..de84ae42b4f 100644
--- a/components/script/dom/htmlmediaelement.rs
+++ b/components/script/dom/htmlmediaelement.rs
@@ -68,6 +68,7 @@ use servo_config::pref;
 use servo_media::player::frame::{Frame, FrameRenderer};
 use servo_media::player::{PlaybackState, Player, PlayerError, PlayerEvent, StreamType};
 use servo_media::ServoMedia;
+use servo_media_auto::Backend;
 use servo_url::ServoUrl;
 use std::cell::Cell;
 use std::collections::VecDeque;
@@ -249,6 +250,7 @@ pub enum ReadyState {
 
 impl HTMLMediaElement {
     pub fn new_inherited(tag_name: LocalName, prefix: Option<Prefix>, document: &Document) -> Self {
+        ServoMedia::init::<Backend>();
         Self {
             htmlelement: HTMLElement::new_inherited(tag_name, prefix, document),
             network_state: Cell::new(NetworkState::Empty),
diff --git a/components/script/dom/mediadevices.rs b/components/script/dom/mediadevices.rs
index b89762c3779..808ce22c2af 100644
--- a/components/script/dom/mediadevices.rs
+++ b/components/script/dom/mediadevices.rs
@@ -17,6 +17,7 @@ use crate::dom::promise::Promise;
 use dom_struct::dom_struct;
 use servo_media::streams::capture::{Constrain, ConstrainRange, MediaTrackConstraintSet};
 use servo_media::ServoMedia;
+use servo_media_auto::Backend;
 use std::rc::Rc;
 
 #[dom_struct]
@@ -26,6 +27,7 @@ pub struct MediaDevices {
 
 impl MediaDevices {
     pub fn new_inherited() -> MediaDevices {
+        ServoMedia::init::<Backend>();
         MediaDevices {
             eventtarget: EventTarget::new_inherited(),
         }
diff --git a/components/script/dom/rtcpeerconnection.rs b/components/script/dom/rtcpeerconnection.rs
index eb94914e588..0a1c41cf3f9 100644
--- a/components/script/dom/rtcpeerconnection.rs
+++ b/components/script/dom/rtcpeerconnection.rs
@@ -39,6 +39,7 @@ use servo_media::webrtc::{
     BundlePolicy, IceCandidate, SdpType, SessionDescription, WebRtcController, WebRtcSignaller,
 };
 use servo_media::ServoMedia;
+use servo_media_auto::Backend;
 
 use std::cell::Cell;
 use std::rc::Rc;
@@ -117,6 +118,7 @@ impl RTCPeerConnection {
             RTCPeerConnectionBinding::Wrap,
         );
         let signaller = this.make_signaller();
+        ServoMedia::init::<Backend>();
         *this.controller.borrow_mut() = Some(ServoMedia::get().unwrap().create_webrtc(signaller));
         if let Some(ref servers) = config.iceServers {
             if let Some(ref server) = servers.get(0) {