mirror of
https://github.com/servo/servo.git
synced 2025-08-06 06:00:15 +01:00
StereoPannerNode DOM
This commit is contained in:
parent
549d320167
commit
58f027468c
12 changed files with 173 additions and 109 deletions
106
components/script/dom/stereopannernode.rs
Normal file
106
components/script/dom/stereopannernode.rs
Normal file
|
@ -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 }
|
||||
}
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue