StereoPannerNode DOM

components/script/dom/audionode.rs

@@ -10,7 +10,9 @@ use crate::dom::bindings::codegen::Bindings::AudioNodeBinding::{
 use crate::dom::bindings::codegen::Bindings::AudioNodeBinding::{
     ChannelCountMode, ChannelInterpretation,
 };
-use crate::dom::bindings::codegen::InheritTypes::{AudioNodeTypeId, EventTargetTypeId};
+use crate::dom::bindings::codegen::InheritTypes::{
+    AudioNodeTypeId, AudioScheduledSourceNodeTypeId, EventTargetTypeId,
+};
 use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
 use crate::dom::bindings::inheritance::Castable;
 use crate::dom::bindings::root::{Dom, DomRoot};
@@ -236,6 +238,13 @@ impl AudioNodeMethods for AudioNode {
                     return Err(Error::NotSupported);
                 }
             },
+            EventTargetTypeId::AudioNode(AudioNodeTypeId::AudioScheduledSourceNode(
+                AudioScheduledSourceNodeTypeId::StereoPannerNode,
+            )) => {
+                if value > 2 {
+                    return Err(Error::NotSupported);
+                }
+            },
             EventTargetTypeId::AudioNode(AudioNodeTypeId::ChannelMergerNode) => {
                 return Err(Error::InvalidState);
             },
@@ -280,6 +289,13 @@ impl AudioNodeMethods for AudioNode {
                     return Err(Error::NotSupported);
                 }
             },
+            EventTargetTypeId::AudioNode(AudioNodeTypeId::AudioScheduledSourceNode(
+                AudioScheduledSourceNodeTypeId::StereoPannerNode,
+            )) => {
+                if value == ChannelCountMode::Max {
+                    return Err(Error::NotSupported);
+                }
+            },
             EventTargetTypeId::AudioNode(AudioNodeTypeId::ChannelMergerNode) => {
                 return Err(Error::InvalidState);
             },

components/script/dom/baseaudiocontext.rs

@@ -27,6 +27,7 @@ use crate::dom::bindings::codegen::Bindings::ChannelSplitterNodeBinding::Channel
 use crate::dom::bindings::codegen::Bindings::GainNodeBinding::GainOptions;
 use crate::dom::bindings::codegen::Bindings::OscillatorNodeBinding::OscillatorOptions;
 use crate::dom::bindings::codegen::Bindings::PannerNodeBinding::PannerOptions;
+use crate::dom::bindings::codegen::Bindings::StereoPannerNodeBinding::StereoPannerOptions;
 use crate::dom::bindings::error::{Error, ErrorResult, Fallible};
 use crate::dom::bindings::inheritance::Castable;
 use crate::dom::bindings::num::Finite;
@@ -42,6 +43,7 @@ use crate::dom::gainnode::GainNode;
 use crate::dom::oscillatornode::OscillatorNode;
 use crate::dom::pannernode::PannerNode;
 use crate::dom::promise::Promise;
+use crate::dom::stereopannernode::StereoPannerNode;
 use crate::dom::window::Window;
 use crate::task_source::TaskSource;
 use dom_struct::dom_struct;
@@ -361,6 +363,15 @@ impl BaseAudioContextMethods for BaseAudioContext {
         )
     }
 
+    /// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-createstereopanner
+    fn CreateStereoPanner(&self) -> Fallible<DomRoot<StereoPannerNode>> {
+        StereoPannerNode::new(
+            &self.global().as_window(),
+            &self,
+            &StereoPannerOptions::empty(),
+        )
+    }
+
     /// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-createchannelmerger
     fn CreateChannelMerger(&self, count: u32) -> Fallible<DomRoot<ChannelMergerNode>> {
         let mut opts = ChannelMergerOptions::empty();

components/script/dom/mod.rs

@@ -457,6 +457,7 @@ pub mod serviceworkerglobalscope;
 pub mod serviceworkerregistration;
 pub mod servoparser;
 pub mod shadowroot;
+pub mod stereopannernode;
 pub mod storage;
 pub mod storageevent;
 pub mod stylepropertymapreadonly;

components/script/dom/stereopannernode.rs

@@ -0,0 +1,106 @@
+/* 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::audioparam::AudioParam;
+use crate::dom::audioscheduledsourcenode::AudioScheduledSourceNode;
+use crate::dom::baseaudiocontext::BaseAudioContext;
+use crate::dom::bindings::codegen::Bindings::AudioNodeBinding::{
+    ChannelCountMode, ChannelInterpretation,
+};
+use crate::dom::bindings::codegen::Bindings::AudioParamBinding::AutomationRate;
+use crate::dom::bindings::codegen::Bindings::StereoPannerNodeBinding::StereoPannerNodeMethods;
+use crate::dom::bindings::codegen::Bindings::StereoPannerNodeBinding::{self, StereoPannerOptions};
+use crate::dom::bindings::error::{Error, Fallible};
+use crate::dom::bindings::reflector::reflect_dom_object;
+use crate::dom::bindings::root::{Dom, DomRoot};
+use crate::dom::window::Window;
+use dom_struct::dom_struct;
+use servo_media::audio::node::AudioNodeInit;
+use servo_media::audio::param::ParamType;
+use servo_media::audio::stereo_panner::StereoPannerOptions as ServoMediaStereoPannerOptions;
+
+#[dom_struct]
+pub struct StereoPannerNode {
+    source_node: AudioScheduledSourceNode,
+    pan: Dom<AudioParam>,
+}
+
+impl StereoPannerNode {
+    #[allow(unrooted_must_root)]
+    pub fn new_inherited(
+        window: &Window,
+        context: &BaseAudioContext,
+        options: &StereoPannerOptions,
+    ) -> Fallible<StereoPannerNode> {
+        let node_options = options.parent.unwrap_or(
+            2,
+            ChannelCountMode::Clamped_max,
+            ChannelInterpretation::Speakers,
+        );
+        if node_options.mode == ChannelCountMode::Max {
+            return Err(Error::NotSupported);
+        }
+        if node_options.count > 2 || node_options.count == 0 {
+            return Err(Error::NotSupported);
+        }
+        let source_node = AudioScheduledSourceNode::new_inherited(
+            AudioNodeInit::StereoPannerNode(options.into()),
+            context,
+            node_options,
+            1, /* inputs */
+            1, /* outputs */
+        )?;
+        let node_id = source_node.node().node_id();
+        let pan = AudioParam::new(
+            window,
+            context,
+            node_id,
+            ParamType::Pan,
+            AutomationRate::A_rate,
+            *options.pan,
+            -1.,
+            1.,
+        );
+
+        Ok(StereoPannerNode {
+            source_node,
+            pan: Dom::from_ref(&pan),
+        })
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(
+        window: &Window,
+        context: &BaseAudioContext,
+        options: &StereoPannerOptions,
+    ) -> Fallible<DomRoot<StereoPannerNode>> {
+        let node = StereoPannerNode::new_inherited(window, context, options)?;
+        Ok(reflect_dom_object(
+            Box::new(node),
+            window,
+            StereoPannerNodeBinding::Wrap,
+        ))
+    }
+
+    pub fn Constructor(
+        window: &Window,
+        context: &BaseAudioContext,
+        options: &StereoPannerOptions,
+    ) -> Fallible<DomRoot<StereoPannerNode>> {
+        StereoPannerNode::new(window, context, options)
+    }
+}
+
+impl StereoPannerNodeMethods for StereoPannerNode {
+    // https://webaudio.github.io/web-audio-api/#dom-stereopannernode-pan
+    fn Pan(&self) -> DomRoot<AudioParam> {
+        DomRoot::from_ref(&self.pan)
+    }
+}
+
+impl<'a> From<&'a StereoPannerOptions> for ServoMediaStereoPannerOptions {
+    fn from(options: &'a StereoPannerOptions) -> Self {
+        Self { pan: *options.pan }
+    }
+}

components/script/dom/webidls/BaseAudioContext.webidl

@@ -43,7 +43,7 @@ interface BaseAudioContext : EventTarget {
   //                               sequence<double> feedback);
   // WaveShaperNode createWaveShaper();
   [Throws] PannerNode createPanner();
-  // StereoPannerNode createStereoPanner();
+  [Throws] StereoPannerNode createStereoPanner();
   // ConvolverNode createConvolver();
   [Throws] ChannelSplitterNode createChannelSplitter(optional unsigned long numberOfOutputs = 6);
   [Throws] ChannelMergerNode createChannelMerger(optional unsigned long numberOfInputs = 6);

components/script/dom/webidls/StereoPannerNode.webidl

@@ -0,0 +1,17 @@
+/* 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/. */
+/*
+ * The origin of this IDL file is
+ * https://webaudio.github.io/web-audio-api/#StereoPannerNode
+ */
+
+dictionary StereoPannerOptions: AudioNodeOptions {
+  float pan = 0;
+};
+
+[Exposed=Window,
+ Constructor (BaseAudioContext context, optional StereoPannerOptions options)]
+interface StereoPannerNode : AudioScheduledSourceNode {
+  readonly attribute AudioParam pan;
+};

tests/wpt/metadata/webaudio/idlharness.https.window.js.ini

@@ -2,9 +2,6 @@
   [AudioNode interface: calling connect(AudioNode, unsigned long, unsigned long) on new ConvolverNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [StereoPannerNode interface: attribute pan]
-    expected: FAIL
-
   [AudioNode interface: new MediaElementAudioSourceNode(context, {mediaElement: new Audio}) must inherit property "disconnect(AudioParam)" with the proper type]
     expected: FAIL
 
@@ -80,9 +77,6 @@
   [AudioNode interface: calling disconnect(AudioNode, unsigned long) on new ConstantSourceNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "connect(AudioNode, unsigned long, unsigned long)" with the proper type]
-    expected: FAIL
-
   [AudioNode interface: new ConstantSourceNode(context) must inherit property "numberOfInputs" with the proper type]
     expected: FAIL
 
@@ -113,9 +107,6 @@
   [ConstantSourceNode interface object length]
     expected: FAIL
 
-  [Stringification of new StereoPannerNode(context)]
-    expected: FAIL
-
   [AudioContext interface: operation close()]
     expected: FAIL
 
@@ -194,18 +185,12 @@
   [AudioNode interface: context.createScriptProcessor() must inherit property "disconnect(unsigned long)" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: calling disconnect(AudioNode) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
   [Stringification of worklet_node]
     expected: FAIL
 
   [AudioNode interface: context.createScriptProcessor() must inherit property "connect(AudioNode, unsigned long, unsigned long)" with the proper type]
     expected: FAIL
 
-  [StereoPannerNode interface: new StereoPannerNode(context) must inherit property "pan" with the proper type]
-    expected: FAIL
-
   [MediaStreamAudioSourceNode interface: existence and properties of interface prototype object's @@unscopables property]
     expected: FAIL
 
@@ -215,9 +200,6 @@
   [AudioNode interface: new IIRFilterNode(context, {feedforward: [1\], feedback: [1\]}) must inherit property "disconnect()" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "disconnect(AudioParam)" with the proper type]
-    expected: FAIL
-
   [BaseAudioContext interface: new OfflineAudioContext(1, 1, sample_rate) must inherit property "createDelay(double)" with the proper type]
     expected: FAIL
 
@@ -248,18 +230,12 @@
   [AudioNode interface: calling disconnect(AudioNode, unsigned long) on new IIRFilterNode(context, {feedforward: [1\], feedback: [1\]}) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [BaseAudioContext interface: new OfflineAudioContext(1, 1, sample_rate) must inherit property "createStereoPanner()" with the proper type]
-    expected: FAIL
-
   [ScriptProcessorNode interface: existence and properties of interface prototype object]
     expected: FAIL
 
   [AudioContext interface: calling createMediaElementSource(HTMLMediaElement) on context with too few arguments must throw TypeError]
     expected: FAIL
 
-  [AudioNode interface: calling disconnect(AudioNode, unsigned long, unsigned long) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
   [AudioNode interface: calling connect(AudioNode, unsigned long, unsigned long) on new DynamicsCompressorNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
@@ -299,9 +275,6 @@
   [AudioNode interface: calling connect(AudioParam, unsigned long) on new DelayNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "disconnect(AudioNode)" with the proper type]
-    expected: FAIL
-
   [AudioNode interface: new IIRFilterNode(context, {feedforward: [1\], feedback: [1\]}) must inherit property "connect(AudioNode, unsigned long, unsigned long)" with the proper type]
     expected: FAIL
 
@@ -377,9 +350,6 @@
   [AudioNode interface: calling disconnect(AudioParam) on new MediaElementAudioSourceNode(context, {mediaElement: new Audio}) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "numberOfOutputs" with the proper type]
-    expected: FAIL
-
   [AudioWorklet interface object name]
     expected: FAIL
 
@@ -416,9 +386,6 @@
   [AudioNode interface: new MediaElementAudioSourceNode(context, {mediaElement: new Audio}) must inherit property "disconnect()" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "disconnect(AudioNode, unsigned long, unsigned long)" with the proper type]
-    expected: FAIL
-
   [MediaStreamAudioSourceNode interface: existence and properties of interface prototype object's "constructor" property]
     expected: FAIL
 
@@ -464,18 +431,12 @@
   [PeriodicWave interface: existence and properties of interface object]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "context" with the proper type]
-    expected: FAIL
-
   [AudioNode interface: new ConstantSourceNode(context) must inherit property "context" with the proper type]
     expected: FAIL
 
   [AudioNode interface: calling disconnect(AudioParam) on new DynamicsCompressorNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "channelCountMode" with the proper type]
-    expected: FAIL
-
   [AudioNode interface: calling disconnect(AudioNode) on new DynamicsCompressorNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
@@ -494,15 +455,9 @@
   [AudioNode interface: calling disconnect(AudioParam) on new ConstantSourceNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "channelInterpretation" with the proper type]
-    expected: FAIL
-
   [AudioProcessingEvent interface: attribute inputBuffer]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "connect(AudioParam, unsigned long)" with the proper type]
-    expected: FAIL
-
   [AudioParamMap interface object length]
     expected: FAIL
 
@@ -518,9 +473,6 @@
   [BaseAudioContext interface: attribute audioWorklet]
     expected: FAIL
 
-  [AudioNode interface: calling connect(AudioNode, unsigned long, unsigned long) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
   [BaseAudioContext interface: operation createWaveShaper()]
     expected: FAIL
 
@@ -539,9 +491,6 @@
   [AudioNode interface: new ConvolverNode(context) must inherit property "disconnect()" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "disconnect()" with the proper type]
-    expected: FAIL
-
   [Stringification of new PeriodicWave(context)]
     expected: FAIL
 
@@ -734,9 +683,6 @@
   [MediaStreamAudioDestinationNode interface: existence and properties of interface prototype object's "constructor" property]
     expected: FAIL
 
-  [StereoPannerNode interface object name]
-    expected: FAIL
-
   [AudioNode interface: new MediaElementAudioSourceNode(context, {mediaElement: new Audio}) must inherit property "channelInterpretation" with the proper type]
     expected: FAIL
 
@@ -848,9 +794,6 @@
   [AudioNode interface: new WaveShaperNode(context) must inherit property "channelCount" with the proper type]
     expected: FAIL
 
-  [StereoPannerNode interface: existence and properties of interface prototype object's "constructor" property]
-    expected: FAIL
-
   [DynamicsCompressorNode interface: attribute release]
     expected: FAIL
 
@@ -881,9 +824,6 @@
   [AudioNode interface: new MediaElementAudioSourceNode(context, {mediaElement: new Audio}) must inherit property "disconnect(AudioParam, unsigned long)" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "disconnect(unsigned long)" with the proper type]
-    expected: FAIL
-
   [AudioNode interface: calling disconnect(AudioParam, unsigned long) on new WaveShaperNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
@@ -893,12 +833,6 @@
   [AudioProcessingEvent interface: attribute playbackTime]
     expected: FAIL
 
-  [AudioNode interface: calling connect(AudioParam, unsigned long) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
-  [AudioNode interface: calling disconnect(unsigned long) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
   [BaseAudioContext interface: new OfflineAudioContext(1, 1, sample_rate) must inherit property "createConvolver()" with the proper type]
     expected: FAIL
 
@@ -929,9 +863,6 @@
   [AudioNode interface: new DelayNode(context) must inherit property "disconnect(AudioParam)" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: calling disconnect(AudioParam, unsigned long) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
   [OfflineAudioContext interface: calling suspend(double) on new OfflineAudioContext(1, 1, sample_rate) with too few arguments must throw TypeError]
     expected: FAIL
 
@@ -947,9 +878,6 @@
   [AudioNode interface: calling disconnect(AudioNode, unsigned long) on new MediaStreamAudioDestinationNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "disconnect(AudioNode, unsigned long)" with the proper type]
-    expected: FAIL
-
   [MediaElementAudioSourceNode must be primary interface of new MediaElementAudioSourceNode(context, {mediaElement: new Audio})]
     expected: FAIL
 
@@ -1025,9 +953,6 @@
   [OscillatorNode interface: calling setPeriodicWave(PeriodicWave) on new OscillatorNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [BaseAudioContext interface: context must inherit property "createStereoPanner()" with the proper type]
-    expected: FAIL
-
   [MediaElementAudioSourceNode interface: existence and properties of interface prototype object's "constructor" property]
     expected: FAIL
 
@@ -1073,18 +998,12 @@
   [AudioNode interface: new ConvolverNode(context) must inherit property "disconnect(AudioParam)" with the proper type]
     expected: FAIL
 
-  [StereoPannerNode must be primary interface of new StereoPannerNode(context)]
-    expected: FAIL
-
   [AudioNode interface: new MediaElementAudioSourceNode(context, {mediaElement: new Audio}) must inherit property "numberOfOutputs" with the proper type]
     expected: FAIL
 
   [DynamicsCompressorNode interface: attribute attack]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "numberOfInputs" with the proper type]
-    expected: FAIL
-
   [AudioContext interface: calling createMediaStreamTrackSource(MediaStreamTrack) on context with too few arguments must throw TypeError]
     expected: FAIL
 
@@ -1103,9 +1022,6 @@
   [AudioNode interface: calling disconnect(AudioParam) on new WaveShaperNode(context) with too few arguments must throw TypeError]
     expected: FAIL
 
-  [StereoPannerNode interface object length]
-    expected: FAIL
-
   [AudioContext interface: operation createMediaStreamDestination()]
     expected: FAIL
 
@@ -1142,9 +1058,6 @@
   [AudioNode interface: new ConstantSourceNode(context) must inherit property "disconnect(AudioParam)" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "disconnect(AudioParam, unsigned long)" with the proper type]
-    expected: FAIL
-
   [AudioNode interface: new MediaStreamAudioDestinationNode(context) must inherit property "channelInterpretation" with the proper type]
     expected: FAIL
 
@@ -1319,9 +1232,6 @@
   [IIRFilterNode interface: existence and properties of interface prototype object's @@unscopables property]
     expected: FAIL
 
-  [AudioNode interface: calling disconnect(AudioParam) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
   [AudioNode interface: new MediaStreamAudioDestinationNode(context) must inherit property "connect(AudioParam, unsigned long)" with the proper type]
     expected: FAIL
 
@@ -1343,12 +1253,6 @@
   [Stringification of new DynamicsCompressorNode(context)]
     expected: FAIL
 
-  [StereoPannerNode interface: existence and properties of interface prototype object's @@unscopables property]
-    expected: FAIL
-
-  [AudioNode interface: calling disconnect(AudioNode, unsigned long) on new StereoPannerNode(context) with too few arguments must throw TypeError]
-    expected: FAIL
-
   [BaseAudioContext interface: context must inherit property "createWaveShaper()" with the proper type]
     expected: FAIL
 
@@ -1358,9 +1262,6 @@
   [AudioNode interface: new IIRFilterNode(context, {feedforward: [1\], feedback: [1\]}) must inherit property "channelInterpretation" with the proper type]
     expected: FAIL
 
-  [BaseAudioContext interface: operation createStereoPanner()]
-    expected: FAIL
-
   [AudioWorkletNode interface object length]
     expected: FAIL
 
@@ -1373,9 +1274,6 @@
   [BaseAudioContext interface: new OfflineAudioContext(1, 1, sample_rate) must inherit property "createWaveShaper()" with the proper type]
     expected: FAIL
 
-  [AudioNode interface: new StereoPannerNode(context) must inherit property "channelCount" with the proper type]
-    expected: FAIL
-
   [AudioNode interface: new MediaStreamAudioDestinationNode(context) must inherit property "disconnect(AudioNode, unsigned long)" with the proper type]
     expected: FAIL
 

tests/wpt/metadata/webaudio/the-audio-api/the-stereopanner-interface/ctor-stereopanner.html.ini

@@ -1,5 +1,4 @@
 [ctor-stereopanner.html]
-  expected: ERROR
   [X node0 = new StereoPannerNode(context) incorrectly threw TypeError: "window[name\] is not a constructor".]
     expected: FAIL
 

tests/wpt/metadata/webaudio/the-audio-api/the-stereopanner-interface/stereopannernode-basic.html.ini

@@ -1,2 +0,0 @@
-[stereopannernode-basic.html]
-  expected: ERROR

tests/wpt/metadata/webaudio/the-audio-api/the-stereopanner-interface/stereopannernode-panning.html.ini

@@ -1,2 +1,19 @@
 [stereopannernode-panning.html]
-  expected: ERROR
+  [# AUDIT TASK RUNNER FINISHED: 2 out of 2 tasks were failed.]
+    expected: FAIL
+
+  [< [mono-test\] 1 out of 4 assertions were failed.]
+    expected: FAIL
+
+  [< [stereo-test\] 2 out of 4 assertions were failed.]
+    expected: FAIL
+
+  [X Stereo: Right channel error magnitude is not less than or equal to 9.8015e-8. Got 1.0266453775997775e-7.]
+    expected: FAIL
+
+  [X Mono: Left channel error magnitude is not less than or equal to 9.8015e-8. Got 1.3439545697158106e-7.]
+    expected: FAIL
+
+  [X Stereo: Left channel error magnitude is not less than or equal to 9.8015e-8. Got 1.4099019063351648e-7.]
+    expected: FAIL
+

tests/wpt/mozilla/meta/MANIFEST.json

@@ -20306,7 +20306,7 @@
    "testharness"
   ],
   "mozilla/interfaces.html": [
-   "c7e1929c626007e2ef3cdf9f2276620aa995c5b7",
+   "2effd46f565c4787e8632f5e898e1b43d457672f",
    "testharness"
   ],
   "mozilla/interfaces.js": [

tests/wpt/mozilla/tests/mozilla/interfaces.html

@@ -203,6 +203,7 @@ test_interfaces([
   "Response",
   "Screen",
   "ShadowRoot",
+  "StereoPannerNode",
   "Storage",
   "StorageEvent",
   "StyleSheet",