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The Tor Browser
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MFContentProtectionManager.h (3060B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 #ifndef DOM_MEDIA_PLATFORM_WMF_MFCONTENTPROTECTIONMANAGER_H
      6 #define DOM_MEDIA_PLATFORM_WMF_MFCONTENTPROTECTIONMANAGER_H
      7 
      8 #include <mfapi.h>
      9 #include <mfidl.h>
     10 #include <windows.media.protection.h>
     11 #include <wrl.h>
     12 
     13 #include "MFCDMProxy.h"
     14 
     15 namespace mozilla {
     16 
     17 /**
     18 * MFContentProtectionManager is used to enable the encrypted playback for the
     19 * media engine.
     20 * https://docs.microsoft.com/en-us/windows/win32/api/mfidl/nn-mfidl-imfcontentprotectionmanager
     21 * https://docs.microsoft.com/en-us/uwp/api/windows.media.protection.mediaprotectionmanager
     22 */
     23 class MFContentProtectionManager
     24    : public Microsoft::WRL::RuntimeClass<
     25          Microsoft::WRL::RuntimeClassFlags<
     26              Microsoft::WRL::RuntimeClassType::WinRtClassicComMix |
     27              Microsoft::WRL::RuntimeClassType::InhibitRoOriginateError>,
     28          IMFContentProtectionManager,
     29          ABI::Windows::Media::Protection::IMediaProtectionManager> {
     30 public:
     31  MFContentProtectionManager();
     32  ~MFContentProtectionManager();
     33 
     34  HRESULT RuntimeClassInitialize();
     35 
     36  void Shutdown();
     37 
     38  // IMFContentProtectionManager.
     39  IFACEMETHODIMP BeginEnableContent(IMFActivate* aEnablerActivate,
     40                                    IMFTopology* aTopology,
     41                                    IMFAsyncCallback* aCallback,
     42                                    IUnknown* aState) override;
     43  IFACEMETHODIMP EndEnableContent(IMFAsyncResult* aAsyncResult) override;
     44 
     45  // IMediaProtectionManager.
     46  // MFMediaEngine can query this interface to invoke get_Properties().
     47  IFACEMETHODIMP add_ServiceRequested(
     48      ABI::Windows::Media::Protection::IServiceRequestedEventHandler* aHandler,
     49      EventRegistrationToken* aCookie) override;
     50  IFACEMETHODIMP remove_ServiceRequested(
     51      EventRegistrationToken aCookie) override;
     52  IFACEMETHODIMP add_RebootNeeded(
     53      ABI::Windows::Media::Protection::IRebootNeededEventHandler* aHandler,
     54      EventRegistrationToken* aCookie) override;
     55  IFACEMETHODIMP remove_RebootNeeded(EventRegistrationToken aCookie) override;
     56  IFACEMETHODIMP add_ComponentLoadFailed(
     57      ABI::Windows::Media::Protection::IComponentLoadFailedEventHandler*
     58          aHandler,
     59      EventRegistrationToken* aCookie) override;
     60  IFACEMETHODIMP remove_ComponentLoadFailed(
     61      EventRegistrationToken aCookie) override;
     62  IFACEMETHODIMP get_Properties(
     63      ABI::Windows::Foundation::Collections::IPropertySet** aValue) override;
     64 
     65  HRESULT SetCDMProxy(MFCDMProxy* aCDMProxy);
     66 
     67  MFCDMProxy* GetCDMProxy() const { return mCDMProxy; }
     68 
     69 private:
     70  HRESULT SetPMPServer(
     71      ABI::Windows::Media::Protection::IMediaProtectionPMPServer* aPMPServer);
     72 
     73  RefPtr<MFCDMProxy> mCDMProxy;
     74 
     75  Microsoft::WRL::ComPtr<ABI::Windows::Foundation::Collections::IPropertySet>
     76      mPMPServerSet;
     77 };
     78 
     79 }  // namespace mozilla
     80 
     81 #endif  // DOM_MEDIA_PLATFORM_WMF_MFCONTENTPROTECTIONMANAGER_H