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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_ | 5 #ifndef MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_ |
6 #define MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_ | 6 #define MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
11 | 11 |
12 #include "base/callback.h" | 12 #include "base/callback.h" |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
15 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
16 #include "media/base/media_keys.h" | 16 #include "media/base/media_keys.h" |
17 #include "media/mojo/interfaces/content_decryption_module.mojom.h" | 17 #include "media/mojo/interfaces/content_decryption_module.mojom.h" |
18 #include "media/mojo/services/mojo_cdm_promise.h" | 18 #include "media/mojo/services/mojo_cdm_promise.h" |
19 #include "media/mojo/services/mojo_cdm_service_context.h" | 19 #include "media/mojo/services/mojo_cdm_service_context.h" |
20 #include "media/mojo/services/mojo_decryptor_service.h" | 20 #include "media/mojo/services/mojo_decryptor_service.h" |
21 #include "mojo/public/cpp/bindings/strong_binding.h" | 21 #include "mojo/public/cpp/bindings/strong_binding.h" |
22 | 22 |
23 namespace media { | 23 namespace media { |
24 | 24 |
25 class CdmFactory; | 25 class CdmFactory; |
26 | 26 |
27 // A interfaces::ContentDecryptionModule implementation backed by a | 27 // A mojom::ContentDecryptionModule implementation backed by a |
28 // media::MediaKeys. | 28 // media::MediaKeys. |
29 class MojoCdmService : public interfaces::ContentDecryptionModule { | 29 class MojoCdmService : public mojom::ContentDecryptionModule { |
30 public: | 30 public: |
31 // Get the CDM associated with |cdm_id|, which is unique per process. | 31 // Get the CDM associated with |cdm_id|, which is unique per process. |
32 // Can be called on any thread. The returned CDM is not guaranteed to be | 32 // Can be called on any thread. The returned CDM is not guaranteed to be |
33 // thread safe. | 33 // thread safe. |
34 // Note: This provides a generic hack to get the CDM in the process where | 34 // Note: This provides a generic hack to get the CDM in the process where |
35 // MojoMediaApplication is running, regardless of which render process or | 35 // MojoMediaApplication is running, regardless of which render process or |
36 // render frame the caller is associated with. In the future, we should move | 36 // render frame the caller is associated with. In the future, we should move |
37 // all out-of-process media players into the MojoMediaApplicaiton so that we | 37 // all out-of-process media players into the MojoMediaApplicaiton so that we |
38 // can use MojoCdmServiceContext (per render frame) to get the CDM. | 38 // can use MojoCdmServiceContext (per render frame) to get the CDM. |
39 static scoped_refptr<MediaKeys> LegacyGetCdm(int cdm_id); | 39 static scoped_refptr<MediaKeys> LegacyGetCdm(int cdm_id); |
40 | 40 |
41 // Constructs a MojoCdmService and strongly binds it to the |request|. | 41 // Constructs a MojoCdmService and strongly binds it to the |request|. |
42 MojoCdmService( | 42 MojoCdmService( |
43 base::WeakPtr<MojoCdmServiceContext> context, | 43 base::WeakPtr<MojoCdmServiceContext> context, |
44 CdmFactory* cdm_factory, | 44 CdmFactory* cdm_factory, |
45 mojo::InterfaceRequest<interfaces::ContentDecryptionModule> request); | 45 mojo::InterfaceRequest<mojom::ContentDecryptionModule> request); |
46 | 46 |
47 ~MojoCdmService() final; | 47 ~MojoCdmService() final; |
48 | 48 |
49 // interfaces::ContentDecryptionModule implementation. | 49 // mojom::ContentDecryptionModule implementation. |
50 void SetClient(interfaces::ContentDecryptionModuleClientPtr client) final; | 50 void SetClient(mojom::ContentDecryptionModuleClientPtr client) final; |
51 void Initialize(const mojo::String& key_system, | 51 void Initialize(const mojo::String& key_system, |
52 const mojo::String& security_origin, | 52 const mojo::String& security_origin, |
53 interfaces::CdmConfigPtr cdm_config, | 53 mojom::CdmConfigPtr cdm_config, |
54 const InitializeCallback& callback) final; | 54 const InitializeCallback& callback) final; |
55 void SetServerCertificate( | 55 void SetServerCertificate( |
56 mojo::Array<uint8_t> certificate_data, | 56 mojo::Array<uint8_t> certificate_data, |
57 const mojo::Callback<void(interfaces::CdmPromiseResultPtr)>& callback) | 57 const mojo::Callback<void(mojom::CdmPromiseResultPtr)>& callback) final; |
58 final; | |
59 void CreateSessionAndGenerateRequest( | 58 void CreateSessionAndGenerateRequest( |
60 interfaces::ContentDecryptionModule::SessionType session_type, | 59 mojom::ContentDecryptionModule::SessionType session_type, |
61 interfaces::ContentDecryptionModule::InitDataType init_data_type, | 60 mojom::ContentDecryptionModule::InitDataType init_data_type, |
62 mojo::Array<uint8_t> init_data, | 61 mojo::Array<uint8_t> init_data, |
63 const mojo::Callback<void(interfaces::CdmPromiseResultPtr, mojo::String)>& | 62 const mojo::Callback<void(mojom::CdmPromiseResultPtr, mojo::String)>& |
64 callback) final; | 63 callback) final; |
65 void LoadSession( | 64 void LoadSession(mojom::ContentDecryptionModule::SessionType session_type, |
66 interfaces::ContentDecryptionModule::SessionType session_type, | 65 const mojo::String& session_id, |
67 const mojo::String& session_id, | 66 const mojo::Callback<void(mojom::CdmPromiseResultPtr, |
68 const mojo::Callback<void(interfaces::CdmPromiseResultPtr, mojo::String)>& | 67 mojo::String)>& callback) final; |
69 callback) final; | |
70 void UpdateSession( | 68 void UpdateSession( |
71 const mojo::String& session_id, | 69 const mojo::String& session_id, |
72 mojo::Array<uint8_t> response, | 70 mojo::Array<uint8_t> response, |
73 const mojo::Callback<void(interfaces::CdmPromiseResultPtr)>& callback) | 71 const mojo::Callback<void(mojom::CdmPromiseResultPtr)>& callback) final; |
74 final; | 72 void CloseSession( |
75 void CloseSession(const mojo::String& session_id, | 73 const mojo::String& session_id, |
76 const mojo::Callback<void(interfaces::CdmPromiseResultPtr)>& | 74 const mojo::Callback<void(mojom::CdmPromiseResultPtr)>& callback) final; |
77 callback) final; | |
78 void RemoveSession( | 75 void RemoveSession( |
79 const mojo::String& session_id, | 76 const mojo::String& session_id, |
80 const mojo::Callback<void(interfaces::CdmPromiseResultPtr)>& callback) | 77 const mojo::Callback<void(mojom::CdmPromiseResultPtr)>& callback) final; |
81 final; | |
82 | 78 |
83 // Get CDM to be used by the media pipeline. | 79 // Get CDM to be used by the media pipeline. |
84 scoped_refptr<MediaKeys> GetCdm(); | 80 scoped_refptr<MediaKeys> GetCdm(); |
85 | 81 |
86 private: | 82 private: |
87 // Callback for CdmFactory::Create(). | 83 // Callback for CdmFactory::Create(). |
88 void OnCdmCreated(const InitializeCallback& callback, | 84 void OnCdmCreated(const InitializeCallback& callback, |
89 const scoped_refptr<MediaKeys>& cdm, | 85 const scoped_refptr<MediaKeys>& cdm, |
90 const std::string& error_message); | 86 const std::string& error_message); |
91 | 87 |
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106 const std::string& error_message); | 102 const std::string& error_message); |
107 | 103 |
108 // Callback for when |decryptor_| loses connectivity. | 104 // Callback for when |decryptor_| loses connectivity. |
109 void OnDecryptorConnectionError(); | 105 void OnDecryptorConnectionError(); |
110 | 106 |
111 // CDM ID to be assigned to the next successfully initialized CDM. This ID is | 107 // CDM ID to be assigned to the next successfully initialized CDM. This ID is |
112 // unique per process. It will be used to locate the CDM by the media players | 108 // unique per process. It will be used to locate the CDM by the media players |
113 // living in the same process. | 109 // living in the same process. |
114 static int next_cdm_id_; | 110 static int next_cdm_id_; |
115 | 111 |
116 mojo::StrongBinding<interfaces::ContentDecryptionModule> binding_; | 112 mojo::StrongBinding<mojom::ContentDecryptionModule> binding_; |
117 base::WeakPtr<MojoCdmServiceContext> context_; | 113 base::WeakPtr<MojoCdmServiceContext> context_; |
118 | 114 |
119 CdmFactory* cdm_factory_; | 115 CdmFactory* cdm_factory_; |
120 scoped_refptr<MediaKeys> cdm_; | 116 scoped_refptr<MediaKeys> cdm_; |
121 | 117 |
122 std::unique_ptr<MojoDecryptorService> decryptor_; | 118 std::unique_ptr<MojoDecryptorService> decryptor_; |
123 | 119 |
124 // Set to a valid CDM ID if the |cdm_| is successfully created. | 120 // Set to a valid CDM ID if the |cdm_| is successfully created. |
125 int cdm_id_; | 121 int cdm_id_; |
126 | 122 |
127 interfaces::ContentDecryptionModuleClientPtr client_; | 123 mojom::ContentDecryptionModuleClientPtr client_; |
128 | 124 |
129 base::WeakPtr<MojoCdmService> weak_this_; | 125 base::WeakPtr<MojoCdmService> weak_this_; |
130 base::WeakPtrFactory<MojoCdmService> weak_factory_; | 126 base::WeakPtrFactory<MojoCdmService> weak_factory_; |
131 | 127 |
132 DISALLOW_COPY_AND_ASSIGN(MojoCdmService); | 128 DISALLOW_COPY_AND_ASSIGN(MojoCdmService); |
133 }; | 129 }; |
134 | 130 |
135 } // namespace media | 131 } // namespace media |
136 | 132 |
137 #endif // MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_ | 133 #endif // MEDIA_MOJO_SERVICES_MOJO_CDM_SERVICE_H_ |
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