mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-25 22:01:30 +00:00
c86fe66751
MozReview-Commit-ID: IH7no48COML --HG-- extra : rebase_source : 649afa948369812a93667929e1b9bf1cba93172a
75 lines
2.2 KiB
C++
75 lines
2.2 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/. */
|
|
|
|
#include "PeriodicWave.h"
|
|
#include "AudioContext.h"
|
|
#include "mozilla/dom/PeriodicWaveBinding.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(PeriodicWave, mContext)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(PeriodicWave, AddRef)
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(PeriodicWave, Release)
|
|
|
|
PeriodicWave::PeriodicWave(AudioContext* aContext,
|
|
const float* aRealData,
|
|
const float* aImagData,
|
|
const uint32_t aLength,
|
|
const bool aDisableNormalization,
|
|
ErrorResult& aRv)
|
|
: mContext(aContext)
|
|
, mDisableNormalization(aDisableNormalization)
|
|
{
|
|
MOZ_ASSERT(aContext);
|
|
|
|
// Caller should have checked this and thrown.
|
|
MOZ_ASSERT(aLength > 0);
|
|
mLength = aLength;
|
|
|
|
// Copy coefficient data. The two arrays share an allocation.
|
|
mCoefficients = new ThreadSharedFloatArrayBufferList(2);
|
|
float* buffer = static_cast<float*>(malloc(aLength*sizeof(float)*2));
|
|
if (buffer == nullptr) {
|
|
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
PodCopy(buffer, aRealData, aLength);
|
|
mCoefficients->SetData(0, buffer, free, buffer);
|
|
PodCopy(buffer+aLength, aImagData, aLength);
|
|
mCoefficients->SetData(1, nullptr, free, buffer+aLength);
|
|
}
|
|
|
|
size_t
|
|
PeriodicWave::SizeOfExcludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Not owned:
|
|
// - mContext
|
|
size_t amount = 0;
|
|
if (!mCoefficients->IsShared()) {
|
|
amount += mCoefficients->SizeOfIncludingThis(aMallocSizeOf);
|
|
}
|
|
|
|
return amount;
|
|
}
|
|
|
|
size_t
|
|
PeriodicWave::SizeOfIncludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
return aMallocSizeOf(this) + SizeOfExcludingThisIfNotShared(aMallocSizeOf);
|
|
}
|
|
|
|
JSObject*
|
|
PeriodicWave::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
|
|
{
|
|
return PeriodicWaveBinding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|