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Root JS channels during AudioBuffer construction

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This commit is contained in:
Fernando Jiménez Moreno 2018-07-18 12:28:43 +02:00
parent c617ca0d30
commit 596640595c
1 changed files with 6 additions and 3 deletions
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9
components/script/dom/audiobuffer.rs
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@ -17,6 +17,7 @@ use js::typedarray::{CreateWith, Float32Array};
use servo_media::audio::buffer_source_node::AudioBuffer as ServoMediaAudioBuffer;
use std::cmp::min;
use std::ptr::{self, NonNull};
use std::mem;
type JSAudioChannel = Heap<*mut JSObject>;
@ -43,7 +44,7 @@ impl AudioBuffer {
initial_data: Option<&[f32]>,
) -> AudioBuffer {
let cx = global.get_cx();
let mut js_channels: Vec<JSAudioChannel> = Vec::with_capacity(number_of_channels as usize);
rooted_vec!(let mut js_channels_);
for channel in 0..number_of_channels {
rooted!(in (cx) let mut array = ptr::null_mut::<JSObject>());
let offset = (channel * length) as usize;
@ -69,11 +70,13 @@ impl AudioBuffer {
}
let js_channel = Heap::default();
js_channel.set(array.get());
js_channels.push(js_channel);
js_channels_.push(js_channel);
}
let js_channels = DomRefCell::new(Vec::new());
mem::swap(&mut *js_channels.borrow_mut(), &mut *js_channels_);
AudioBuffer {
reflector_: Reflector::new(),
js_channels: DomRefCell::new(js_channels),
js_channels,
shared_channels: DomRefCell::new(ServoMediaAudioBuffer::new(
number_of_channels as u8,
length as usize,