gecko-dev/dom/media/webaudio/PeriodicWave.h

77 строки
1.9 KiB
C++

/* -*- 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/. */
#ifndef PeriodicWave_h_
#define PeriodicWave_h_
#include "nsWrapperCache.h"
#include "nsCycleCollectionParticipant.h"
#include "mozilla/Attributes.h"
#include "AudioContext.h"
#include "AudioNodeEngine.h"
namespace mozilla {
namespace dom {
class AudioContext;
struct PeriodicWaveOptions;
class PeriodicWave final : public nsWrapperCache
{
public:
PeriodicWave(AudioContext* aContext,
const float* aRealData,
const float* aImagData,
const uint32_t aLength,
const bool aDisableNormalization,
ErrorResult& aRv);
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PeriodicWave)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(PeriodicWave)
static already_AddRefed<PeriodicWave>
Constructor(const GlobalObject& aGlobal, AudioContext& aAudioContext,
const PeriodicWaveOptions& aOptions, ErrorResult& aRv);
AudioContext* GetParentObject() const
{
return mContext;
}
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
uint32_t DataLength() const
{
return mCoefficients.mDuration;
}
bool DisableNormalization() const
{
return mDisableNormalization;
}
const AudioChunk& GetThreadSharedBuffer() const
{
return mCoefficients;
}
size_t SizeOfExcludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
size_t SizeOfIncludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
private:
~PeriodicWave() = default;
AudioChunk mCoefficients;
RefPtr<AudioContext> mContext;
bool mDisableNormalization;
};
} // namespace dom
} // namespace mozilla
#endif