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79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
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/* 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_CLEARKEY_WMFCLEARKEYSESSION_H
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#define DOM_MEDIA_PLATFORM_WMF_CLEARKEY_WMFCLEARKEYSESSION_H
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#include <mfidl.h>
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#include <windows.h>
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#include <wrl.h>
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#include "content_decryption_module.h"
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#include "MFCDMExtra.h"
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#include "RefCounted.h"
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#include "WMFClearKeyUtils.h"
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namespace mozilla {
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class SessionManagerWrapper;
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// This is the implementation for EME API's MediaKeySession.
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// TODO : add a way to assert thread usage. It would only be used on the media
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// supervisor thread pool.
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class WMFClearKeySession final
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: public Microsoft::WRL::RuntimeClass<
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Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>,
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IMFContentDecryptionModuleSession, Microsoft::WRL::FtmBase> {
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public:
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WMFClearKeySession() = default;
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~WMFClearKeySession();
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WMFClearKeySession(const WMFClearKeySession&) = delete;
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WMFClearKeySession& operator=(const WMFClearKeySession&) = delete;
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HRESULT RuntimeClassInitialize(
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MF_MEDIAKEYSESSION_TYPE aSessionType,
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IMFContentDecryptionModuleSessionCallbacks* aCallbacks,
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SessionManagerWrapper* aManager);
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void Shutdown();
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// IMFContentDecryptionModuleSession
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STDMETHODIMP GenerateRequest(LPCWSTR init_data_type,
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const BYTE* init_data,
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DWORD init_data_size) override;
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STDMETHODIMP Load(LPCWSTR session_id, BOOL* loaded) override;
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STDMETHODIMP Update(const BYTE* aResponse, DWORD aResponseSize) override;
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STDMETHODIMP Close() override;
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STDMETHODIMP Remove() override;
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STDMETHODIMP GetSessionId(LPWSTR* aSessionId) override;
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STDMETHODIMP GetExpiration(double* aExpiration) override;
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STDMETHODIMP GetKeyStatuses(MFMediaKeyStatus** aKeyStatuses,
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UINT* aKeyStatusesCount) override;
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void OnKeyMessage(MF_MEDIAKEYSESSION_MESSAGETYPE aMessageType,
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const BYTE* aMessage, DWORD aMessageSize);
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void OnKeyStatusChanged(const cdm::KeyInformation* aKeysInfo,
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uint32_t aKeysInfoCount);
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private:
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cdm::SessionType mSessionType;
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std::string mSessionId;
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Microsoft::WRL::ComPtr<IMFContentDecryptionModuleSessionCallbacks> mCallbacks;
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RefPtr<SessionManagerWrapper> mSessionManager;
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struct KeyInformation {
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KeyInformation(const uint8_t* aKeyId, uint32_t aKeyIdSize,
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cdm::KeyStatus aKeyStatus)
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: mKeyId(aKeyId, aKeyId + aKeyIdSize), mKeyStatus(aKeyStatus) {}
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std::vector<uint8_t> mKeyId;
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cdm::KeyStatus mKeyStatus;
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};
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std::vector<KeyInformation> mKeyInfo;
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};
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} // namespace mozilla
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#endif // DOM_MEDIA_PLATFORM_WMF_CLEARKEY_WMFCLEARKEYSESSION_H
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