[M120 Migration][MM][CAPI] Fix the logic for media using capi player.
[platform/framework/web/chromium-efl.git] / media / mojo / services / mojo_cdm_service.h
1 // Copyright 2014 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_
6 #define MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_
7
8 #include <stdint.h>
9
10 #include <memory>
11
12 #include "base/compiler_specific.h"
13 #include "base/functional/callback.h"
14 #include "base/memory/raw_ptr.h"
15 #include "base/memory/scoped_refptr.h"
16 #include "base/memory/weak_ptr.h"
17 #include "media/base/content_decryption_module.h"
18 #include "media/base/eme_constants.h"
19 #include "media/mojo/mojom/content_decryption_module.mojom.h"
20 #include "media/mojo/services/media_mojo_export.h"
21 #include "media/mojo/services/mojo_cdm_promise.h"
22 #include "media/mojo/services/mojo_cdm_service_context.h"
23 #include "media/mojo/services/mojo_decryptor_service.h"
24 #include "mojo/public/cpp/bindings/associated_remote.h"
25 #include "mojo/public/cpp/bindings/pending_associated_remote.h"
26 #include "mojo/public/cpp/bindings/pending_remote.h"
27 #include "mojo/public/cpp/bindings/receiver.h"
28 #include "third_party/abseil-cpp/absl/types/optional.h"
29
30 namespace media {
31
32 class CdmFactory;
33
34 // A mojom::ContentDecryptionModule implementation backed by a
35 // media::ContentDecryptionModule.
36 class MEDIA_MOJO_EXPORT MojoCdmService final
37     : public mojom::ContentDecryptionModule {
38  public:
39   // Callback for Initialize(). Non-null `cdm_context` indicates success. Null
40   // `cdm_context` indicates failure and the `error_message` provides a reason.
41   using InitializeCB =
42       base::OnceCallback<void(mojom::CdmContextPtr cdm_context,
43                               const std::string& error_message)>;
44
45   explicit MojoCdmService(MojoCdmServiceContext* context);
46
47   MojoCdmService(const MojoCdmService&) = delete;
48   MojoCdmService& operator=(const MojoCdmService&) = delete;
49
50   ~MojoCdmService() final;
51
52   // Initialize the MojoCdmService, including creating the real CDM using the
53   // `cdm_factory`, which must not be null. The MojoCdmService should NOT be
54   // used before the `init_cb` is returned.
55   void Initialize(CdmFactory* cdm_factory,
56                   const CdmConfig& cdm_config,
57                   InitializeCB init_cb);
58
59   // mojom::ContentDecryptionModule implementation.
60   void SetClient(
61       mojo::PendingAssociatedRemote<mojom::ContentDecryptionModuleClient>
62           client) final;
63   void SetServerCertificate(const std::vector<uint8_t>& certificate_data,
64                             SetServerCertificateCallback callback) final;
65   void GetStatusForPolicy(HdcpVersion min_hdcp_version,
66                           GetStatusForPolicyCallback callback) final;
67   void CreateSessionAndGenerateRequest(
68       CdmSessionType session_type,
69       EmeInitDataType init_data_type,
70       const std::vector<uint8_t>& init_data,
71       CreateSessionAndGenerateRequestCallback callback) final;
72   void LoadSession(CdmSessionType session_type,
73                    const std::string& session_id,
74                    LoadSessionCallback callback) final;
75   void UpdateSession(const std::string& session_id,
76                      const std::vector<uint8_t>& response,
77                      UpdateSessionCallback callback) final;
78   void CloseSession(const std::string& session_id,
79                     CloseSessionCallback callback) final;
80   void RemoveSession(const std::string& session_id,
81                      RemoveSessionCallback callback) final;
82
83   // Get CDM to be used by the media pipeline.
84   scoped_refptr<::media::ContentDecryptionModule> GetCdm();
85
86   // Gets the remote ID of the CDM this is holding.
87   base::UnguessableToken cdm_id() const { return cdm_id_.value(); }
88
89  private:
90   // Callback for CdmFactory::Create().
91   void OnCdmCreated(InitializeCB callback,
92                     const scoped_refptr<::media::ContentDecryptionModule>& cdm,
93                     const std::string& error_message);
94
95   // Callbacks for firing session events.
96   void OnSessionMessage(const std::string& session_id,
97                         ::media::CdmMessageType message_type,
98                         const std::vector<uint8_t>& message);
99   void OnSessionKeysChange(const std::string& session_id,
100                            bool has_additional_usable_key,
101                            CdmKeysInfo keys_info);
102   void OnSessionExpirationUpdate(const std::string& session_id,
103                                  base::Time new_expiry_time);
104   void OnSessionClosed(const std::string& session_id,
105                        CdmSessionClosedReason reason);
106
107   // Callback for when |decryptor_| loses connectivity.
108   void OnDecryptorConnectionError();
109
110   const raw_ptr<MojoCdmServiceContext> context_;
111   scoped_refptr<::media::ContentDecryptionModule> cdm_;
112
113   // MojoDecryptorService is passed the Decryptor from |cdm_|, so
114   // |decryptor_| must not outlive |cdm_|.
115   std::unique_ptr<MojoDecryptorService> decryptor_;
116   mojo::PendingRemote<mojom::Decryptor> decryptor_remote_;
117   std::unique_ptr<mojo::Receiver<mojom::Decryptor>> decryptor_receiver_;
118
119   // Set to a valid CDM ID if the |cdm_| is successfully created.
120   absl::optional<base::UnguessableToken> cdm_id_;
121
122   mojo::AssociatedRemote<mojom::ContentDecryptionModuleClient> client_;
123
124   base::WeakPtrFactory<MojoCdmService> weak_factory_{this};
125 };
126
127 }  // namespace media
128
129 #endif  // MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_