826576315c
This import syncs to the widevine git repostiory change commit ab3e1e43642cf36900f55169597a33f222709fdb Change-Id: I3a6f1e2969e5fe7ed1ca12f90b0eb0a3b7899835
85 lines
3.0 KiB
C++
85 lines
3.0 KiB
C++
// Copyright 2013 Google Inc. All Rights Reserved.
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#ifndef CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
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#define CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
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#include "wv_cdm_types.h"
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#include "utils/UniquePtr.h"
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namespace wvcdm {
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class CdmEngine;
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class WvCdmEventListener;
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class WvContentDecryptionModule {
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public:
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WvContentDecryptionModule();
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virtual ~WvContentDecryptionModule();
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// Session related methods
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virtual CdmResponseType OpenSession(const CdmKeySystem& key_system,
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CdmSessionId* session_id);
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virtual CdmResponseType CloseSession(CdmSessionId& session_id);
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// Construct a valid license request.
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virtual CdmResponseType GenerateKeyRequest(const CdmSessionId& session_id,
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const CdmInitData& init_data,
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const CdmLicenseType license_type,
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CdmAppParameterMap& app_parameters,
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CdmKeyMessage* key_request);
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// Accept license response and extract key info.
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virtual CdmResponseType AddKey(const CdmSessionId& session_id,
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const CdmKeyResponse& key_data);
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// Cancel session
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virtual CdmResponseType CancelKeyRequest(const CdmSessionId& session_id);
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// Query system information
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virtual CdmResponseType QueryStatus(CdmQueryMap* key_info);
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// Query license information
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virtual CdmResponseType QueryKeyStatus(const CdmSessionId& session_id,
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CdmQueryMap* key_info);
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// Provisioning related methods
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virtual CdmResponseType GetProvisioningRequest(
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CdmProvisioningRequest* request,
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std::string* default_url);
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virtual CdmResponseType HandleProvisioningResponse(
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CdmProvisioningResponse& response);
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// Secure stop related methods
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virtual CdmResponseType GetSecureStops(CdmSecureStops* secure_stops);
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virtual CdmResponseType ReleaseSecureStops(
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const CdmSecureStopReleaseMessage& message);
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// Accept encrypted buffer and return decrypted data.
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virtual CdmResponseType Decrypt(const CdmSessionId& session_id,
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bool is_encrypted,
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const KeyId& key_id,
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const uint8_t* encrypt_buffer,
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size_t encrypt_length,
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const std::vector<uint8_t>& iv,
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size_t block_offset,
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void* decrypt_buffer);
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// Event listener related methods
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virtual bool AttachEventListener(CdmSessionId& session_id,
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WvCdmEventListener* listener);
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virtual bool DetachEventListener(CdmSessionId& session_id,
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WvCdmEventListener* listener);
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private:
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// instance variables
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UniquePtr<CdmEngine> cdm_engine_;
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CORE_DISALLOW_COPY_AND_ASSIGN(WvContentDecryptionModule);
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};
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} // namespace wvcdm
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#endif // CDM_BASE_WV_CONTENT_DECRYPTION_MODULE_H_
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