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Add MediaStreamTrackAudioSourceNode
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Manishearth committed Jul 2, 2020
1 parent bc2267f commit 6143173
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Showing 3 changed files with 78 additions and 0 deletions.
61 changes: 61 additions & 0 deletions components/script/dom/mediastreamtrackaudiosourcenode.rs
@@ -0,0 +1,61 @@
/* 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,
options: &MediaStreamTrackAudioSourceOptions,
) -> Fallible<MediaStreamTrackAudioSourceNode> {
let track = options.mediaStreamTrack.id();
let node = AudioNode::new_inherited(
AudioNodeInit::MediaStreamSourceNode(track),
&context.upcast(),
Default::default(),
0, // inputs
1, // outputs
)?;
Ok(MediaStreamTrackAudioSourceNode {
node,
track: Dom::from_ref(&options.mediaStreamTrack),
})
}

#[allow(unrooted_must_root)]
pub fn new(
window: &Window,
context: &AudioContext,
options: &MediaStreamTrackAudioSourceOptions,
) -> Fallible<DomRoot<MediaStreamTrackAudioSourceNode>> {
let node = MediaStreamTrackAudioSourceNode::new_inherited(context, options)?;
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)
}
}
1 change: 1 addition & 0 deletions components/script/dom/mod.rs
Expand Up @@ -438,6 +438,7 @@ pub mod mediastream;
pub mod mediastreamaudiodestinationnode;
pub mod mediastreamaudiosourcenode;
pub mod mediastreamtrack;
pub mod mediastreamtrackaudiosourcenode;
pub mod messagechannel;
pub mod messageevent;
pub mod messageport;
Expand Down
@@ -0,0 +1,16 @@
/* 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/#mediastreamtrackaudiosourcenode
*/

dictionary MediaStreamTrackAudioSourceOptions {
required MediaStreamTrack mediaStreamTrack;
};

[Exposed=Window]
interface MediaStreamTrackAudioSourceNode : AudioNode {
[Throws] constructor (AudioContext context, MediaStreamTrackAudioSourceOptions options);
};

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