Source release v2.2.0-0-903 + third_party libs
Change-Id: I03f670eaeb052bc741abb347be06f8ddc58418e7
This commit is contained in:
Joey Parrish
155
cdm/include/wv_content_decryption_module_4.h
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155
cdm/include/wv_content_decryption_module_4.h
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// Copyright 2014 Google Inc. All Rights Reserved.
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#ifndef WVCDM_CDM_WV_CONTENT_DECRYPTION_MODULE_4_H_
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#define WVCDM_CDM_WV_CONTENT_DECRYPTION_MODULE_4_H_
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#include "content_decryption_module.h"
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#include "cdm_client_property_set.h"
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#include "cdm_engine.h"
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#include "cdm_host_clock.h"
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#include "cdm_host_file.h"
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#include "clock.h"
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#include "wv_cdm_common.h"
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#include "wv_cdm_event_listener.h"
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#include "wv_cdm_types.h"
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#include "wv_client_property_set.h"
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#if defined(UNIT_TEST)
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# include "gtest/gtest_prod.h"
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#endif
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namespace wvcdm {
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class WvContentDecryptionModule_4 : public cdm::ContentDecryptionModule_4,
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public IFileFactory,
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public IClock,
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public WvCdmEventListener {
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public:
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explicit WvContentDecryptionModule_4(cdm::Host_4* host);
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virtual ~WvContentDecryptionModule_4();
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virtual void CreateSession(uint32_t session_id,
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const char* mime_type, uint32_t mime_type_size,
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const uint8_t* init_data, uint32_t init_data_size,
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cdm::SessionType session_type) OVERRIDE;
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virtual void LoadSession(uint32_t session_id, const char* web_session_id,
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uint32_t web_session_id_length) OVERRIDE;
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virtual void UpdateSession(uint32_t session_id, const uint8_t* response,
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uint32_t response_size) OVERRIDE;
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virtual bool IsKeyValid(const uint8_t* key_id, int key_id_size) OVERRIDE;
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virtual void ReleaseSession(uint32_t session_id) OVERRIDE;
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virtual void RemoveSession(uint32_t session_id, const char* web_session_id,
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uint32_t web_session_id_length) OVERRIDE;
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virtual cdm::Status UsePrivacyMode() OVERRIDE;
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virtual cdm::Status SetServerCertificate(
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const uint8_t* server_certificate_data,
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uint32_t server_certificate_data_size) OVERRIDE;
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virtual void TimerExpired(void* context) OVERRIDE;
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virtual cdm::Status Decrypt(const cdm::InputBuffer& encrypted_buffer,
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cdm::DecryptedBlock* decrypted_buffer) OVERRIDE;
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virtual cdm::Status DecryptDecodeAndRender(
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const cdm::InputBuffer& encrypted_buffer,
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cdm::StreamType stream_type) OVERRIDE;
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virtual void Destroy() OVERRIDE;
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// wvcdm::WvCdmEventListener implementation.
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virtual void OnEvent(const CdmSessionId& session_id,
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CdmEventType cdm_event) OVERRIDE;
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private:
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class InternalSession {
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public:
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enum SessionType {
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kDecrypt = 1,
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kRelease = 2,
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kProvision = 3,
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};
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InternalSession() : webid_(), session_type_(kDecrypt) {}
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InternalSession(const std::string& webid, SessionType session_type)
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: webid_(webid), session_type_(session_type) {}
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const std::string& webid() const { return webid_; }
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bool is_decrypt() const { return session_type_ == kDecrypt; }
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bool is_release() const { return session_type_ == kRelease; }
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bool is_provision() const { return session_type_ == kProvision; }
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private:
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std::string webid_;
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SessionType session_type_;
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};
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void EnablePolicyTimer();
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void DisablePolicyTimer();
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void CreateProvisionSession(uint32_t session_id);
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void UpdateProvisionSession(uint32_t session_id, const uint8_t* response,
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uint32_t response_size);
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bool CallOpenSession(uint32_t session_id);
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virtual File::Impl* NewFileImpl() OVERRIDE;
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virtual int64_t GetCurrentTimeInSeconds() OVERRIDE;
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/* |parameters| is expected to be initialized with anything not related to
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* subsample parsing. |iv| is initialized by the caller, but may be modified
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* during decryption. |decrypted_block| may be NULL for L1 decrypts, since
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* no data is passed back to the caller. */
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cdm::Status DoSubsampleDecrypt(CdmDecryptionParameters& parameters,
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std::vector<uint8_t>& iv,
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const cdm::InputBuffer& encrypted_buffer,
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cdm::DecryptedBlock* decrypted_block);
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cdm::Status DoDecrypt(CdmDecryptionParameters& parameters,
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std::vector<uint8_t>& iv,
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const cdm::InputBuffer& encrypted_buffer,
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cdm::DecryptedBlock* decrypted_block);
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/* |parameters| is expected to be initialized with everything required by
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* DoSubsampleDecrypt and DoDecrypt, plus |is_encrypted| and
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* |subsample_flags|. Counters and |iv| will be updated to prepare for
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* subsequent calls. */
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cdm::Status DecryptAndUpdateCounters(CdmDecryptionParameters& parameters,
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std::vector<uint8_t>& iv,
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const cdm::InputBuffer& encrypted_buffer,
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const size_t bytes,
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cdm::DecryptedBlock* decrypted_block,
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size_t& offset, size_t& encrypted_offset,
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uint32_t& block_ctr);
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void SetSizesAndAllocate(size_t output_size,
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CdmDecryptionParameters& parameters,
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cdm::DecryptedBlock* decrypted_block);
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#if defined(UNIT_TEST)
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FRIEND_TEST(CdmApi4Test, UsePrivacyMode);
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FRIEND_TEST(CdmApi4Test, UsePrivacyModeFailsWithOpenSessions);
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FRIEND_TEST(CdmApi4Test, SetExplicitServerCertificate);
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FRIEND_TEST(CdmApi4Test, SetServerCertificateFailsWithOpenSessions);
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#endif
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cdm::Host_4* const host_;
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WVClientPropertySet property_set_;
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CdmEngine cdm_engine_;
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std::map<uint32_t, InternalSession> session_map_;
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bool timer_enabled_;
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CORE_DISALLOW_COPY_AND_ASSIGN(WvContentDecryptionModule_4);
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};
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} // namespace wvcdm
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#endif // WVCDM_CDM_WV_CONTENT_DECRYPTION_MODULE_4_H_
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