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Bug 1322883 - AudioNode constructors - part 14 - PeriodicWave, r=padenot

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This commit is contained in:
Andrea Marchesini 2016-12-15 19:24:42 +01:00
parent 91ff6d8f42
commit a5807e46ae
3 changed files with 41 additions and 5 deletions
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27
dom/media/webaudio/PeriodicWave.cpp
View File

@ -44,6 +44,32 @@ PeriodicWave::PeriodicWave(AudioContext* aContext,
mCoefficients->SetData(1, nullptr, free, buffer+aLength);
}
/* static */ already_AddRefed<PeriodicWave>
PeriodicWave::Constructor(const GlobalObject& aGlobal,
AudioContext& aAudioContext,
const PeriodicWaveOptions& aOptions,
ErrorResult& aRv)
{
if (!aOptions.mReal.WasPassed() || !aOptions.mImag.WasPassed() ||
aOptions.mReal.Value().Length() != aOptions.mImag.Value().Length() ||
aOptions.mReal.Value().Length() == 0) {
aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
return nullptr;
}
RefPtr<PeriodicWave> wave =
new PeriodicWave(&aAudioContext, aOptions.mReal.Value().Elements(),
aOptions.mImag.Value().Elements(),
aOptions.mReal.Value().Length(),
aOptions.mDisableNormalization,
aRv);
if (aRv.Failed()) {
return nullptr;
}
return wave.forget();
}
size_t
PeriodicWave::SizeOfExcludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const
{
@ -71,4 +97,3 @@ PeriodicWave::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
} // namespace dom
} // namespace mozilla

9
dom/media/webaudio/PeriodicWave.h
View File

@ -17,6 +17,9 @@ namespace mozilla {
namespace dom {
class AudioContext;
struct PeriodicWaveOptions;
class PeriodicWave final : public nsWrapperCache
{
public:
@ -30,6 +33,10 @@ public:
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;
@ -56,7 +63,7 @@ public:
size_t SizeOfIncludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
private:
~PeriodicWave() {}
~PeriodicWave() = default;
RefPtr<AudioContext> mContext;
RefPtr<ThreadSharedFloatArrayBufferList> mCoefficients;

10
dom/webidl/PeriodicWave.webidl
View File

@ -10,8 +10,12 @@
* liability, trademark and document use rules apply.
*/
[Pref="dom.webaudio.enabled"]
interface PeriodicWave {
dictionary PeriodicWaveOptions : PeriodicWaveConstraints {
sequence<float> real;
sequence<float> imag;
};
[Pref="dom.webaudio.enabled",
Constructor(AudioContext context, PeriodicWaveOptions options)]
interface PeriodicWave {
};