49 lines
1.8 KiB
C++
49 lines
1.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEEXTENSION_H
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#define DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEEXTENSION_H
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#include <wrl.h>
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#include "MFMediaEngineExtra.h"
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namespace mozilla {
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/**
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* MFMediaEngineNotify is used to load media resources in the media engine.
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* https://docs.microsoft.com/en-us/windows/win32/api/mfmediaengine/nn-mfmediaengine-imfmediaengineextension
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*/
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class MFMediaEngineExtension final
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: public Microsoft::WRL::RuntimeClass<
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Microsoft::WRL::RuntimeClassFlags<
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Microsoft::WRL::RuntimeClassType::ClassicCom>,
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IMFMediaEngineExtension> {
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public:
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MFMediaEngineExtension() = default;
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HRESULT RuntimeClassInitialize() { return S_OK; }
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void SetMediaSource(IMFMediaSource* aMediaSource);
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// Method for MFMediaEngineExtension
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IFACEMETHODIMP BeginCreateObject(BSTR aUrl, IMFByteStream* aByteStream,
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MF_OBJECT_TYPE aType,
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IUnknown** aCancelCookie,
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IMFAsyncCallback* aCallback,
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IUnknown* aState) override;
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IFACEMETHODIMP CancelObjectCreation(IUnknown* aCancelCookie) override;
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IFACEMETHODIMP EndCreateObject(IMFAsyncResult* aResult,
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IUnknown** aRetObj) override;
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IFACEMETHODIMP CanPlayType(BOOL aIsAudioOnly, BSTR aMimeType,
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MF_MEDIA_ENGINE_CANPLAY* aResult) override;
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private:
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bool mIsObjectCreating = false;
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Microsoft::WRL::ComPtr<IMFMediaSource> mMediaSource;
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};
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} // namespace mozilla
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#endif // DOM_MEDIA_PLATFORM_WMF_MFMEDIAENGINEEXTENSION_H
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