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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_BASE_MEDIA_KEYS_H_ | 5 #ifndef MEDIA_BASE_MEDIA_KEYS_H_ |
6 #define MEDIA_BASE_MEDIA_KEYS_H_ | 6 #define MEDIA_BASE_MEDIA_KEYS_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
| 10 #include <memory> |
10 #include <string> | 11 #include <string> |
11 #include <vector> | 12 #include <vector> |
12 | 13 |
13 #include "base/callback.h" | 14 #include "base/callback.h" |
14 #include "base/macros.h" | 15 #include "base/macros.h" |
15 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
16 #include "base/memory/scoped_ptr.h" | |
17 #include "base/memory/scoped_vector.h" | 17 #include "base/memory/scoped_vector.h" |
18 #include "media/base/eme_constants.h" | 18 #include "media/base/eme_constants.h" |
19 #include "media/base/media_export.h" | 19 #include "media/base/media_export.h" |
20 #include "url/gurl.h" | 20 #include "url/gurl.h" |
21 | 21 |
22 namespace base { | 22 namespace base { |
23 class Time; | 23 class Time; |
24 } | 24 } |
25 | 25 |
26 namespace media { | 26 namespace media { |
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95 // https://w3c.github.io/encrypted-media/#idl-def-MediaKeyMessageType | 95 // https://w3c.github.io/encrypted-media/#idl-def-MediaKeyMessageType |
96 enum MessageType { | 96 enum MessageType { |
97 LICENSE_REQUEST, | 97 LICENSE_REQUEST, |
98 LICENSE_RENEWAL, | 98 LICENSE_RENEWAL, |
99 LICENSE_RELEASE, | 99 LICENSE_RELEASE, |
100 MESSAGE_TYPE_MAX = LICENSE_RELEASE | 100 MESSAGE_TYPE_MAX = LICENSE_RELEASE |
101 }; | 101 }; |
102 | 102 |
103 // Provides a server certificate to be used to encrypt messages to the | 103 // Provides a server certificate to be used to encrypt messages to the |
104 // license server. | 104 // license server. |
105 virtual void SetServerCertificate(const std::vector<uint8_t>& certificate, | 105 virtual void SetServerCertificate( |
106 scoped_ptr<SimpleCdmPromise> promise) = 0; | 106 const std::vector<uint8_t>& certificate, |
| 107 std::unique_ptr<SimpleCdmPromise> promise) = 0; |
107 | 108 |
108 // Creates a session with |session_type|. Then generates a request with the | 109 // Creates a session with |session_type|. Then generates a request with the |
109 // |init_data_type| and |init_data|. | 110 // |init_data_type| and |init_data|. |
110 // Note: | 111 // Note: |
111 // 1. The session ID will be provided when the |promise| is resolved. | 112 // 1. The session ID will be provided when the |promise| is resolved. |
112 // 2. The generated request should be returned through a SessionMessageCB, | 113 // 2. The generated request should be returned through a SessionMessageCB, |
113 // which must be AFTER the |promise| is resolved. Otherwise, the session ID | 114 // which must be AFTER the |promise| is resolved. Otherwise, the session ID |
114 // in the callback will not be recognized. | 115 // in the callback will not be recognized. |
115 // 3. UpdateSession(), CloseSession() and RemoveSession() should only be | 116 // 3. UpdateSession(), CloseSession() and RemoveSession() should only be |
116 // called after the |promise| is resolved. | 117 // called after the |promise| is resolved. |
117 virtual void CreateSessionAndGenerateRequest( | 118 virtual void CreateSessionAndGenerateRequest( |
118 SessionType session_type, | 119 SessionType session_type, |
119 EmeInitDataType init_data_type, | 120 EmeInitDataType init_data_type, |
120 const std::vector<uint8_t>& init_data, | 121 const std::vector<uint8_t>& init_data, |
121 scoped_ptr<NewSessionCdmPromise> promise) = 0; | 122 std::unique_ptr<NewSessionCdmPromise> promise) = 0; |
122 | 123 |
123 // Loads a session with the |session_id| provided. | 124 // Loads a session with the |session_id| provided. |
124 // Note: UpdateSession(), CloseSession() and RemoveSession() should only be | 125 // Note: UpdateSession(), CloseSession() and RemoveSession() should only be |
125 // called after the |promise| is resolved. | 126 // called after the |promise| is resolved. |
126 virtual void LoadSession(SessionType session_type, | 127 virtual void LoadSession(SessionType session_type, |
127 const std::string& session_id, | 128 const std::string& session_id, |
128 scoped_ptr<NewSessionCdmPromise> promise) = 0; | 129 std::unique_ptr<NewSessionCdmPromise> promise) = 0; |
129 | 130 |
130 // Updates a session specified by |session_id| with |response|. | 131 // Updates a session specified by |session_id| with |response|. |
131 virtual void UpdateSession(const std::string& session_id, | 132 virtual void UpdateSession(const std::string& session_id, |
132 const std::vector<uint8_t>& response, | 133 const std::vector<uint8_t>& response, |
133 scoped_ptr<SimpleCdmPromise> promise) = 0; | 134 std::unique_ptr<SimpleCdmPromise> promise) = 0; |
134 | 135 |
135 // Closes the session specified by |session_id|. The CDM should resolve or | 136 // Closes the session specified by |session_id|. The CDM should resolve or |
136 // reject the |promise| when the call has been processed. This may be before | 137 // reject the |promise| when the call has been processed. This may be before |
137 // the session is closed. Once the session is closed, a SessionClosedCB must | 138 // the session is closed. Once the session is closed, a SessionClosedCB must |
138 // also be called. | 139 // also be called. |
139 virtual void CloseSession(const std::string& session_id, | 140 virtual void CloseSession(const std::string& session_id, |
140 scoped_ptr<SimpleCdmPromise> promise) = 0; | 141 std::unique_ptr<SimpleCdmPromise> promise) = 0; |
141 | 142 |
142 // Removes stored session data associated with the session specified by | 143 // Removes stored session data associated with the session specified by |
143 // |session_id|. | 144 // |session_id|. |
144 virtual void RemoveSession(const std::string& session_id, | 145 virtual void RemoveSession(const std::string& session_id, |
145 scoped_ptr<SimpleCdmPromise> promise) = 0; | 146 std::unique_ptr<SimpleCdmPromise> promise) = 0; |
146 | 147 |
147 // Returns the CdmContext associated with |this|. The returned CdmContext is | 148 // Returns the CdmContext associated with |this|. The returned CdmContext is |
148 // owned by |this| and the caller needs to make sure it is not used after | 149 // owned by |this| and the caller needs to make sure it is not used after |
149 // |this| is destructed. | 150 // |this| is destructed. |
150 // Returns null if CdmContext is not supported. Instead the media player may | 151 // Returns null if CdmContext is not supported. Instead the media player may |
151 // use the CDM via some platform specific method. | 152 // use the CDM via some platform specific method. |
152 // By default this method returns null. | 153 // By default this method returns null. |
153 // TODO(xhwang): Convert all SetCdm() implementations to use CdmContext so | 154 // TODO(xhwang): Convert all SetCdm() implementations to use CdmContext so |
154 // that this function should never return nullptr. | 155 // that this function should never return nullptr. |
155 virtual CdmContext* GetCdmContext(); | 156 virtual CdmContext* GetCdmContext(); |
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207 | 208 |
208 // Called when the CDM changes the expiration time of a session. | 209 // Called when the CDM changes the expiration time of a session. |
209 // See http://w3c.github.io/encrypted-media/#update-expiration | 210 // See http://w3c.github.io/encrypted-media/#update-expiration |
210 typedef base::Callback<void(const std::string& session_id, | 211 typedef base::Callback<void(const std::string& session_id, |
211 const base::Time& new_expiry_time)> | 212 const base::Time& new_expiry_time)> |
212 SessionExpirationUpdateCB; | 213 SessionExpirationUpdateCB; |
213 | 214 |
214 } // namespace media | 215 } // namespace media |
215 | 216 |
216 #endif // MEDIA_BASE_MEDIA_KEYS_H_ | 217 #endif // MEDIA_BASE_MEDIA_KEYS_H_ |
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