1b295f4c81
Bug: 8621588 Merge of the following CLs from the Widevine CDM repository: https://widevine-internal-review.googlesource.com/#/c/5602/ https://widevine-internal-review.googlesource.com/#/c/5431/ https://widevine-internal-review.googlesource.com/#/c/5660/ Change-Id: If37940e2535e1a1eca95e4394d8cf9bf689e9c3a
98 lines
3.7 KiB
C++
98 lines
3.7 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(const 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 CdmKeySetId& key_set_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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std::string* server_url);
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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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CdmKeySetId& key_set_id);
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// Setup keys for offline usage which were retrived in an earlier key request
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virtual CdmResponseType RestoreKey(const CdmSessionId& session_id,
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const CdmKeySetId& key_set_id);
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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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// Query session control information
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virtual CdmResponseType QueryKeyControlInfo(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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bool is_secure,
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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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size_t decrypt_buffer_offset);
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// Event listener related methods
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virtual bool AttachEventListener(const CdmSessionId& session_id,
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WvCdmEventListener* listener);
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virtual bool DetachEventListener(const 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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