Quelle  ClearKeyCDM.h   Sprache: C

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef ClearKeyCDM_h_
#define ClearKeyCDM_h_

// This include is required in order for content_decryption_module to work
// on Unix systems.
#include <stddef.h>

#include "content_decryption_module.h"

#include "ClearKeySessionManager.h"

#ifdef ENABLE_WMF
#  include "VideoDecoder.h"
#  include "WMFUtils.h"
#endif

class ClearKeyCDM final : public cdm::ContentDecryptionModule_11 {
 private:
  RefPtr<ClearKeySessionManager> mSessionManager;
#ifdef ENABLE_WMF
  RefPtr<VideoDecoder> mVideoDecoder;
#endif
  bool mIsProtectionQueryEnabled = false;

 protected:
  cdm::Host_11* mHost;

 public:
  explicit ClearKeyCDM(cdm::Host_11* aHost);

  void Initialize(bool aAllowDistinctiveIdentifier, bool aAllowPersistentState,
                  bool aUseHardwareSecureCodecs) override;

  void GetStatusForPolicy(uint32_t aPromiseId,
                          const cdm::Policy& aPolicy) override;

  void SetServerCertificate(uint32_t aPromiseId,
                            const uint8_t* aServerCertificateData,
                            uint32_t aServerCertificateDataSize) override;

  void CreateSessionAndGenerateRequest(uint32_t aPromiseId,
                                       cdm::SessionType aSessionType,
                                       cdm::InitDataType aInitDataType,
                                       const uint8_t* aInitData,
                                       uint32_t aInitDataSize) override;

  void LoadSession(uint32_t aPromiseId, cdm::SessionType aSessionType,
                   const char* aSessionId, uint32_t aSessionIdSize) override;

  void UpdateSession(uint32_t aPromiseId, const char* aSessionId,
                     uint32_t aSessionIdSize, const uint8_t* aResponse,
                     uint32_t aResponseSize) override;

  void CloseSession(uint32_t aPromiseId, const char* aSessionId,
                    uint32_t aSessionIdSize) override;

  void RemoveSession(uint32_t aPromiseId, const char* aSessionId,
                     uint32_t aSessionIdSize) override;

  void TimerExpired(void* aContext) override;

  cdm::Status Decrypt(const cdm::InputBuffer_2& aEncryptedBuffer,
                      cdm::DecryptedBlock* aDecryptedBuffer) override;

  cdm::Status InitializeAudioDecoder(
      const cdm::AudioDecoderConfig_2& aAudioDecoderConfig) override;

  cdm::Status InitializeVideoDecoder(
      const cdm::VideoDecoderConfig_2& aVideoDecoderConfig) override;

  void DeinitializeDecoder(cdm::StreamType aDecoderType) override;

  void ResetDecoder(cdm::StreamType aDecoderType) override;

  cdm::Status DecryptAndDecodeFrame(const cdm::InputBuffer_2& aEncryptedBuffer,
                                    cdm::VideoFrame* aVideoFrame) override;

  cdm::Status DecryptAndDecodeSamples(
      const cdm::InputBuffer_2& aEncryptedBuffer,
      cdm::AudioFrames* aAudioFrame) override;

  void OnPlatformChallengeResponse(
      const cdm::PlatformChallengeResponse& aResponse) override;

  void OnQueryOutputProtectionStatus(cdm::QueryResult aResult,
                                     uint32_t aLinkMask,
                                     uint32_t aOutputProtectionMask) override;

  void OnStorageId(uint32_t aVersion, const uint8_t* aStorageId,
                   uint32_t aStorageIdSize) override;

  void Destroy() override;

  void EnableProtectionQuery();
};

#endif