зеркало из https://github.com/mozilla/gecko-dev.git
53 строки
1.7 KiB
C++
53 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AudioProcessingEvent.h"
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#include "mozilla/dom/AudioProcessingEventBinding.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_INHERITED_3(AudioProcessingEvent, nsDOMEvent,
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mInputBuffer, mOutputBuffer, mNode)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent)
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NS_INTERFACE_MAP_END_INHERITING(nsDOMEvent)
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NS_IMPL_ADDREF_INHERITED(AudioProcessingEvent, nsDOMEvent)
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NS_IMPL_RELEASE_INHERITED(AudioProcessingEvent, nsDOMEvent)
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AudioProcessingEvent::AudioProcessingEvent(ScriptProcessorNode* aOwner,
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nsPresContext* aPresContext,
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nsEvent* aEvent)
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: nsDOMEvent(aOwner, aPresContext, aEvent)
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, mPlaybackTime(0.0)
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, mNode(aOwner)
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{
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SetIsDOMBinding();
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}
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JSObject*
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AudioProcessingEvent::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope)
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{
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return AudioProcessingEventBinding::Wrap(aCx, aScope, this);
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}
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void
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AudioProcessingEvent::LazilyCreateBuffer(nsRefPtr<AudioBuffer>& aBuffer,
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uint32_t aNumberOfChannels)
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{
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AutoPushJSContext cx(mNode->Context()->GetJSContext());
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JSAutoRequest ar(cx);
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aBuffer = new AudioBuffer(mNode->Context(), mNode->BufferSize(),
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mNode->Context()->SampleRate());
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aBuffer->InitializeBuffers(aNumberOfChannels, cx);
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}
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}
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}
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