1 files changed, 60 insertions, 0 deletions
diff --git a/components/script/dom/mediastreamtrackaudiosourcenode.rs b/components/script/dom/mediastreamtrackaudiosourcenode.rs
new file mode 100644
index 00000000000..6399ee5f6a4
--- /dev/null
+++ b/components/script/dom/mediastreamtrackaudiosourcenode.rs
@@ -0,0 +1,60 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+use crate::dom::audiocontext::AudioContext;
+use crate::dom::audionode::AudioNode;
+use crate::dom::bindings::codegen::Bindings::MediaStreamTrackAudioSourceNodeBinding::MediaStreamTrackAudioSourceOptions;
+use crate::dom::bindings::error::Fallible;
+use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::mediastreamtrack::MediaStreamTrack;
+use crate::dom::window::Window;
+use dom_struct::dom_struct;
+use servo_media::audio::node::AudioNodeInit;
+
+#[dom_struct]
+pub struct MediaStreamTrackAudioSourceNode {
+    node: AudioNode,
+    track: Dom<MediaStreamTrack>,
+}
+
+impl MediaStreamTrackAudioSourceNode {
+    #[allow(unrooted_must_root)]
+    pub fn new_inherited(
+        context: &AudioContext,
+        track: &MediaStreamTrack,
+    ) -> Fallible<MediaStreamTrackAudioSourceNode> {
+        let node = AudioNode::new_inherited(
+            AudioNodeInit::MediaStreamSourceNode(track.id()),
+            &context.upcast(),
+            Default::default(),
+            0, // inputs
+            1, // outputs
+        )?;
+        Ok(MediaStreamTrackAudioSourceNode {
+            node,
+            track: Dom::from_ref(&track),
+        })
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(
+        window: &Window,
+        context: &AudioContext,
+        track: &MediaStreamTrack,
+    ) -> Fallible<DomRoot<MediaStreamTrackAudioSourceNode>> {
+        let node = MediaStreamTrackAudioSourceNode::new_inherited(context, track)?;
+        Ok(reflect_dom_object(Box::new(node), window))
+    }
+
+    #[allow(non_snake_case)]
+    pub fn Constructor(
+        window: &Window,
+        context: &AudioContext,
+        options: &MediaStreamTrackAudioSourceOptions,
+    ) -> Fallible<DomRoot<MediaStreamTrackAudioSourceNode>> {
+        MediaStreamTrackAudioSourceNode::new(window, context, &options.mediaStreamTrack)
+    }
+}