/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sw=2 sts=2 et cindent: */ /* 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 http://mozilla.org/MPL/2.0/. */ #include "AudioProcessingEvent.h" #include "mozilla/dom/AudioProcessingEventBinding.h" #include "mozilla/dom/ScriptSettings.h" #include "AudioContext.h" namespace mozilla { namespace dom { NS_IMPL_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent, Event, mInputBuffer, mOutputBuffer, mNode) NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(AudioProcessingEvent) NS_INTERFACE_MAP_END_INHERITING(Event) NS_IMPL_ADDREF_INHERITED(AudioProcessingEvent, Event) NS_IMPL_RELEASE_INHERITED(AudioProcessingEvent, Event) AudioProcessingEvent::AudioProcessingEvent(ScriptProcessorNode* aOwner, nsPresContext* aPresContext, WidgetEvent* aEvent) : Event(aOwner, aPresContext, aEvent) , mPlaybackTime(0.0) , mNode(aOwner) { } AudioProcessingEvent::~AudioProcessingEvent() { } JSObject* AudioProcessingEvent::WrapObjectInternal(JSContext* aCx, JS::Handle aGivenProto) { return AudioProcessingEventBinding::Wrap(aCx, this, aGivenProto); } already_AddRefed AudioProcessingEvent::LazilyCreateBuffer(uint32_t aNumberOfChannels, ErrorResult& aRv) { AutoJSAPI jsapi; if (NS_WARN_IF(!jsapi.Init(mNode->GetOwner()))) { aRv.Throw(NS_ERROR_UNEXPECTED); return nullptr; } JSContext* cx = jsapi.cx(); RefPtr buffer = AudioBuffer::Create(mNode->Context(), aNumberOfChannels, mNode->BufferSize(), mNode->Context()->SampleRate(), cx, aRv); MOZ_ASSERT(buffer || aRv.ErrorCodeIs(NS_ERROR_OUT_OF_MEMORY)); return buffer.forget(); } } // namespace dom } // namespace mozilla