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/* 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 DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEEXTENSION_H
#define DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEEXTENSION_H
#include <wrl.h>
#include "MFMediaEngineExtra.h"
namespace mozilla {
/**
* MFMediaEngineNotify is used to load media resources in the media engine.
* https://docs.microsoft.com/en-us/windows/win32/api/mfmediaengine/nn-mfmediaengine-imfmediaengineextension
*/
class MFMediaEngineExtension final
: public Microsoft::WRL::RuntimeClass<
Microsoft::WRL::RuntimeClassFlags<
Microsoft::WRL::RuntimeClassType::ClassicCom>,
IMFMediaEngineExtension> {
public:
MFMediaEngineExtension() = default;
HRESULT RuntimeClassInitialize() { return S_OK; }
void SetMediaSource(IMFMediaSource* aMediaSource);
// Method for MFMediaEngineExtension
IFACEMETHODIMP BeginCreateObject(BSTR aUrl, IMFByteStream* aByteStream,
MF_OBJECT_TYPE aType,
IUnknown** aCancelCookie,
IMFAsyncCallback* aCallback,
IUnknown* aState) override;
IFACEMETHODIMP CancelObjectCreation(IUnknown* aCancelCookie) override;
IFACEMETHODIMP EndCreateObject(IMFAsyncResult* aResult,
IUnknown** aRetObj) override;
IFACEMETHODIMP CanPlayType(BOOL aIsAudioOnly, BSTR aMimeType,
MF_MEDIA_ENGINE_CANPLAY* aResult) override;
private:
bool mIsObjectCreating = false;
Microsoft::WRL::ComPtr<IMFMediaSource> mMediaSource;
};
} // namespace mozilla
#endif // DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEEXTENSION_H
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