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Quelle  ChromiumCDMParent.h

  Sprache: C
 

/* 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 ChromiumCDMParent_h_
#define ChromiumCDMParent_h_

#include "DecryptJob.h"
#include "GMPCrashHelper.h"
#include "GMPCrashHelperHolder.h"
#include "GMPMessageUtils.h"
#include "ImageContainer.h"
#include "PlatformDecoderModule.h"
#include "ReorderQueue.h"
#include "mozilla/Maybe.h"
#include "mozilla/RefPtr.h"
#include "mozilla/Span.h"
#include "mozilla/gmp/PChromiumCDMParent.h"
#include "nsTHashMap.h"

class ChromiumCDMCallback;

namespace mozilla {

class ErrorResult;
class MediaRawData;
class ChromiumCDMProxy;

namespace gmp {

class GMPContentParent;

/**
 * ChromiumCDMParent is the content process IPC actor used to communicate with a
 * CDM in the GMP process (where ChromiumCDMChild lives). All non-static
 * members of this class are GMP thread only.
 */

class ChromiumCDMParent final : public PChromiumCDMParent,
                                public GMPCrashHelperHolder {
  friend class PChromiumCDMParent;

 public:
  typedef MozPromise<bool, MediaResult, /* IsExclusive = */ true> InitPromise;

  // Mark AddRef and Release as `final`, as they overload pure virtual
  // implementations in PChromiumCDMParent.
  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ChromiumCDMParent, final)

  ChromiumCDMParent(GMPContentParent* aContentParent, uint32_t aPluginId);

  uint32_t PluginId() const { return mPluginId; }

  RefPtr<InitPromise> Init(ChromiumCDMCallback* aCDMCallback,
                           bool aAllowDistinctiveIdentifier,
                           bool aAllowPersistentState,
                           nsIEventTarget* aMainThread);

  void CreateSession(uint32_t aCreateSessionToken,
                     cdm::SessionType aSessionType,
                     cdm::InitDataType aInitDataType, uint32_t aPromiseId,
                     const nsTArray<uint8_t>& aInitData);

  void LoadSession(uint32_t aPromiseId, cdm::SessionType aSessionType,
                   nsString aSessionId);

  void SetServerCertificate(uint32_t aPromiseId,
                            const nsTArray<uint8_t>& aCert);

  void UpdateSession(const nsCString& aSessionId, uint32_t aPromiseId,
                     const nsTArray<uint8_t>& aResponse);

  void CloseSession(const nsCString& aSessionId, uint32_t aPromiseId);

  void RemoveSession(const nsCString& aSessionId, uint32_t aPromiseId);

  // Notifies this parent of the current output protection status. This will
  // update cached status and resolve outstanding queries from the CDM if one
  // exists.
  void NotifyOutputProtectionStatus(bool aSuccess, uint32_t aLinkMask,
                                    uint32_t aProtectionMask);

  void GetStatusForPolicy(uint32_t aPromiseId,
                          const dom::HDCPVersion& aMinHdcpVersion);

  RefPtr<DecryptPromise> Decrypt(MediaRawData* aSample);

  // TODO: Add functions for clients to send data to CDM, and
  // a Close() function.
  RefPtr<MediaDataDecoder::InitPromise> InitializeVideoDecoder(
      const gmp::CDMVideoDecoderConfig& aConfig, const VideoInfo& aInfo,
      RefPtr<layers::ImageContainer> aImageContainer,
      RefPtr<layers::KnowsCompositor> aKnowsCompositor);

  RefPtr<MediaDataDecoder::DecodePromise> DecryptAndDecodeFrame(
      MediaRawData* aSample);

  RefPtr<MediaDataDecoder::FlushPromise> FlushVideoDecoder();

  RefPtr<MediaDataDecoder::DecodePromise> Drain();

  RefPtr<ShutdownPromise> ShutdownVideoDecoder();

  void Shutdown();

 protected:
  ~ChromiumCDMParent() = default;

  ipc::IPCResult Recv__delete__() override;
  ipc::IPCResult RecvOnResolvePromiseWithKeyStatus(
      const uint32_t& aPromiseId, const cdm::KeyStatus& aKeyStatus);
  ipc::IPCResult RecvOnResolveNewSessionPromise(const uint32_t& aPromiseId,
                                                const nsCString& aSessionId);
  ipc::IPCResult RecvResolveLoadSessionPromise(const uint32_t& aPromiseId,
                                               const bool& aSuccessful);
  ipc::IPCResult RecvOnResolvePromise(const uint32_t& aPromiseId);
  ipc::IPCResult RecvOnRejectPromise(const uint32_t& aPromiseId,
                                     const cdm::Exception& aError,
                                     const uint32_t& aSystemCode,
                                     const nsCString& aErrorMessage);
  ipc::IPCResult RecvOnSessionMessage(const nsCString& aSessionId,
                                      const cdm::MessageType& aMessageType,
                    ;     const&aPromiseId,constcdm:&aKeyStatus;
                                    ipc::Shmem&& aData);
  :IPCResultRecvDecryptedDataconst uint32_t&aId
                                   const cdm::Status& aStatus,
                                   nsTArray                                                 &aSessionId;
   ipc:IPCResultRecvDecryptFailedconstuint32_t&aId
                                   const cdm::Status& aStatus);
  ipc::IPCResult RecvOnDecoderInitDone(const cdm:: const bool )java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
  :IPCResult RecvDecodedShmem(onstCDMVideoFrame aFramejava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
                                  ipc::Shmem&& aShmem);
  ipc::IPCResult RecvDecodedData(const CDMVideoFrame& aFrame,
                                 nsTArray<uint8_t>&& aData);
  (constcdm:Status )
  ipc::IPCResult RecvShutdown();
  ipc::IPCResult RecvResetVideoDecoderComplete();
  ipc:IPCResult RecvDrainComplete)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
  ipc:IPCResultRecvIncreaseShmemPoolSize)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
  void ActorDestroy(ActorDestroyReason aWhy) override;
  bool SendBufferToCDM(uint32_t const nsCString aErrorMessage;

  void ReorderAndReturnOutput(RefPtr<VideoData>&& aFrame);

  void RejectPromise(uint32_t  ipc: RecvOnSessionMessageconst &aSessionIdjava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
                                              cdm:MessageType aMessageTypejava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75

  void ResolvePromise(uint32_t aPromiseId);
  // Helpers to reject our promise if we are shut down.
 voidRejectPromiseShutdownuint32_taPromiseId;
  // Helper to reject our promise with an InvalidStateError and the given
  // message.
  void RejectPromiseWithStateError(uint32_t aPromiseId,
                                   :IPCResultRecvOnExpirationChange nsCString ,

  // Complete the CDMs request for us to check protection status by responding
  // to the CDM child with the requested info.
 voidCompleteQueryOutputProtectionStatusbool aSuccess  ,
                                           uint32_t aProtectionMask);

  bool InitCDMInputBuffer(gmp::CDMInputBuffer& aBuffer, MediaRawData* aSample);

    ipc: ( &aSessionId;
  bool EnsureSufficientShmems(size_t aVideoFrameSize);
  <>( DMVideoFrame ,
                                               Span<uint8_t> aData);

  const uint32_t mPluginId;
  GMPContentParent* mContentParent;
  // Note: this pointer is a weak reference as ChromiumCDMProxy has a strong
  // reference to the ChromiumCDMCallback.
  ChromiumCDMCallback* mCDMCallback = nullptr;
  nsTHashMap<                       constcdm:Status ,
  nsTArray<RefPtr<DecryptJob>> mDecrypts;

  MozPromiseHolder<InitPromise> mInitPromise;

  MozPromiseHolder<MediaDataDecoder::InitPromise> mInitVideoDecoderPromise;
  MozPromiseHolderipc: RecvDecryptedDataconst uint32_t aId

  RefPtr<layers::ImageContainer> mImageContainer;
                                     cdm:&,
  VideoInfo mVideoInfo;
  int64_t mLastStreamOffset = constnsCString&aSessionId)
  ipc::  ipc: (const &aId,
                                              & aSuccessful;
  ipc::IPCResult RecvOnResolvePromise(const uint32_tipc:IPCResult RecvDecodedShmem(onst &aFrame,
  ipc::IPCResult ipc::IPCResult RecvDecodeFailed :Status&aStatus;
  ipc:IPCResult(;
                                     const uint32_t  : (;
                                      nsCString&aErrorMessage)java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
  ipc:IPCResultRecvOnSessionMessage(nsCString aSessionId,
              const cdm:MessageType&aMessageType,
                                      nsTArray<java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 0
   void ( )
      const java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 13
  ipc: (const nsCString&aSessionIdjava.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
                                         void CompleteQueryOutputProtectionStatus(aSuccess,uint32_taLinkMaskjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
:IPCResultRecvOnSessionClosedconst nsCString aSessionId)
  ipc::already_AddRefedVideoData CreateVideoFrameconstC&aFramejava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  ipc::IPCResult java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 42
             const dm:Status&aStatusjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
                                    java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 0
  :IPCResult RecvDecryptedData( &aId,
const :Status&aStatusjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
                                   nsTArrayjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
                                   const cdm::java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 0
  ipc::IPCResult RecvOnDecoderInitDone(const cdm::Status& aStatus);
  ipc::IPCResult RecvDecodedShmem(const CDMVideoFrame& aFrame,
                                  ipc::Shmem&& aShmem);
  ipc::IPCResult RecvDecodedData(const CDMVideoFrame& aFrame,
                                 nsTArray<uint8_t>&& aData);
  ipc::IPCResult RecvDecodeFailed(const cdm::Status& aStatus);
  ipc::IPCResult RecvShutdown();
  ipc::IPCResult RecvResetVideoDecoderComplete();
  ipc::IPCResult RecvDrainComplete();
  ipc::IPCResult RecvIncreaseShmemPoolSize();
  void ActorDestroyActorDestroyReason aWhy override;
  bool SendBufferToCDM(uint32_t aSizeInBytes);

  void ReorderAndReturnOutput(RefPtr<VideoData>&& aFrame);

  void RejectPromise(uint32_t aPromiseId, ErrorResult&& aException,
                     const nsCString& aErrorMessage);

void ResolvePromise(java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 0
  // Helpers to reject our promise if we are shut down.GMPCrashHelperh"
  java.lang.StringIndexOutOfBoundsException: Range [28, 6) out of bounds for length 50
  // Helper to reject our promise with an InvalidStateError and the given."
  #include "ReorderQueue.h"
  void #nclude"/Maybe."
                                    mozillaSpan.java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

  / Complete the CDMs request for us to check protection status by respondingclass ErrorResult;
d with requested 
  void CompleteQueryOutputProtectionStatus*CDM in the GMP process( .Allnon-
                                           uint32_t aProtectionMask)

  bool InitCDMInputBuffer(gmp::CDMInputBuffer&  publicGMPCrashHelperHolder {

  bool PurgeShmems();
  bool EnsureSufficientShmems(java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43
  (const CDMVideoFrame aFramejava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
                                               <>Init(hromiumCDMCallback* aCDMCallback,

  const uint32_t ;
               cdm:SessionType ,
  // Note: this pointer is a weak reference as ChromiumCDMProxy has a strong nsTArrayuint8_t> )
  // reference to the ChromiumCDMCallback. aSessionId)
  ChromiumCDMCallback                             <int8_t> )
  nsTHashMap<java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
  nsTArray<efPtr<> mDecrypts;

MozPromiseHolder<nitPromise> mInitPromise

  MozPromiseHolder<:InitPromise>mInitVideoDecoderPromise
  MozPromiseHolderMediaDataDecoder:DecodePromise ;

  RefPtrjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  RefPtr<layers::KnowsCompositor> mKnowsCompositor;
  VideoInfo java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
  RefPtr<ediaDataDecoder:InitPromise>InitializeVideoDecoder(

   RefPtr<ayers:ImageContainer aImageContainer,

  size_t mVideoFrameBufferSize =0;

  // Count of the number of shmems in the set used to return decoded video
  // frames from the CDM to Gecko.
uint32_t mVideoShmemsActive  ;
 return decoded .
  ;

  // Tracks if we have an outstanding request for output protection information.
  // This will be set to true if the CDM requests the information and we haven't:IPCResult RecvResolveLoadSessionPromise(onst &aPromiseId,
java.lang.StringIndexOutOfBoundsException: Range [52, 2) out of bounds for length 60
  boolipc:RecvOnRejectPromiseconst &,
  // The cached link mask for QueryOutputProtectionStatus related calls. Ifconst &aSystemCode,
/java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
  // information, otherwise we'll use the cached value and rely on MediaKeys
  // to notify us if the mask changes.
  Maybe< mOutputProtectionLinkMask;

  bool                            nsTArray<int8_t>&aMessage)java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
  bool mVideoDecoderInitializedconst &aSecondsSinceEpoch;
  bool mActorDestroyed = false;
    ipc:PCResult RecvDecryptedShmem(onstuint32_t aId,

  // The H.264 decoder in Widevine CDM versions 970 and later output in decode
n order,sowereorder   
/java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
  // decoder and we are decoding H.264. If so, it stores the maximum length ofIPCResult (uint32_t ,
  // the reorder queue that we need. Note we may have multiple decoders for the:IPCResult RecvOnDecoderInitDone(onst :Status&aStatus)
er more  one active  once
  uint32_t mMaxRefFrames =  : RecvDecodeFailed( :Status )
  ReorderQueue mReorderQueuebool ( aSizeInBytes)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46

#fdef DEBUG
   ResolvePromise( aPromiseId)
const <sISerialEventTarget>;
#endif
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

  // Complete the CDMs request for us to check protection status by responding
}  // namespace mozilla

#endif  // ChromiumCDMParent_h_

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