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Implement DOM APIs for ChannelSplitterNode
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/* 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/. */ | ||
|
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use crate::dom::audionode::{AudioNode, MAX_CHANNEL_COUNT}; | ||
use crate::dom::baseaudiocontext::BaseAudioContext; | ||
use crate::dom::bindings::codegen::Bindings::AudioNodeBinding::{ | ||
ChannelCountMode, ChannelInterpretation, | ||
}; | ||
use crate::dom::bindings::codegen::Bindings::ChannelSplitterNodeBinding::{ | ||
self, ChannelSplitterOptions, | ||
}; | ||
use crate::dom::bindings::error::{Error, Fallible}; | ||
use crate::dom::bindings::reflector::reflect_dom_object; | ||
use crate::dom::bindings::root::DomRoot; | ||
use crate::dom::window::Window; | ||
use dom_struct::dom_struct; | ||
use servo_media::audio::node::AudioNodeInit; | ||
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#[dom_struct] | ||
pub struct ChannelSplitterNode { | ||
node: AudioNode, | ||
} | ||
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impl ChannelSplitterNode { | ||
#[allow(unrooted_must_root)] | ||
pub fn new_inherited( | ||
_: &Window, | ||
context: &BaseAudioContext, | ||
options: &ChannelSplitterOptions, | ||
) -> Fallible<ChannelSplitterNode> { | ||
if options.numberOfOutputs < 1 || options.numberOfOutputs > MAX_CHANNEL_COUNT { | ||
return Err(Error::IndexSize); | ||
} | ||
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let node_options = options.parent.unwrap_or( | ||
options.numberOfOutputs, | ||
ChannelCountMode::Explicit, | ||
ChannelInterpretation::Discrete, | ||
); | ||
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if node_options.count != options.numberOfOutputs || | ||
node_options.mode != ChannelCountMode::Explicit || | ||
node_options.interpretation != ChannelInterpretation::Discrete | ||
{ | ||
return Err(Error::InvalidState); | ||
} | ||
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let node = AudioNode::new_inherited( | ||
AudioNodeInit::ChannelSplitterNode, | ||
context, | ||
node_options, | ||
1, // inputs | ||
options.numberOfOutputs, // outputs | ||
)?; | ||
Ok(ChannelSplitterNode { node }) | ||
} | ||
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#[allow(unrooted_must_root)] | ||
pub fn new( | ||
window: &Window, | ||
context: &BaseAudioContext, | ||
options: &ChannelSplitterOptions, | ||
) -> Fallible<DomRoot<ChannelSplitterNode>> { | ||
let node = ChannelSplitterNode::new_inherited(window, context, options)?; | ||
Ok(reflect_dom_object( | ||
Box::new(node), | ||
window, | ||
ChannelSplitterNodeBinding::Wrap, | ||
)) | ||
} | ||
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pub fn Constructor( | ||
window: &Window, | ||
context: &BaseAudioContext, | ||
options: &ChannelSplitterOptions, | ||
) -> Fallible<DomRoot<ChannelSplitterNode>> { | ||
ChannelSplitterNode::new(window, context, options) | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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/* 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/#channelsplitternode | ||
*/ | ||
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dictionary ChannelSplitterOptions : AudioNodeOptions { | ||
unsigned long numberOfOutputs = 6; | ||
}; | ||
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[Exposed=Window, | ||
Constructor (BaseAudioContext context, optional ChannelSplitterOptions options)] | ||
interface ChannelSplitterNode : AudioNode { | ||
}; |
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