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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_CRYPTO_AES_DECRYPTOR_H_ | 5 #ifndef MEDIA_CRYPTO_AES_DECRYPTOR_H_ |
6 #define MEDIA_CRYPTO_AES_DECRYPTOR_H_ | 6 #define MEDIA_CRYPTO_AES_DECRYPTOR_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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28 class MEDIA_EXPORT AesDecryptor : public MediaKeys, public Decryptor { | 28 class MEDIA_EXPORT AesDecryptor : public MediaKeys, public Decryptor { |
29 public: | 29 public: |
30 AesDecryptor(const SessionCreatedCB& session_created_cb, | 30 AesDecryptor(const SessionCreatedCB& session_created_cb, |
31 const SessionMessageCB& session_message_cb, | 31 const SessionMessageCB& session_message_cb, |
32 const SessionReadyCB& session_ready_cb, | 32 const SessionReadyCB& session_ready_cb, |
33 const SessionClosedCB& session_closed_cb, | 33 const SessionClosedCB& session_closed_cb, |
34 const SessionErrorCB& session_error_cb); | 34 const SessionErrorCB& session_error_cb); |
35 virtual ~AesDecryptor(); | 35 virtual ~AesDecryptor(); |
36 | 36 |
37 // MediaKeys implementation. | 37 // MediaKeys implementation. |
38 virtual bool CreateSession(uint32 reference_id, | 38 virtual bool CreateSession(uint32 session_id, |
39 const std::string& type, | 39 const std::string& type, |
40 const uint8* init_data, | 40 const uint8* init_data, |
41 int init_data_length) OVERRIDE; | 41 int init_data_length) OVERRIDE; |
42 virtual void UpdateSession(uint32 reference_id, | 42 virtual void UpdateSession(uint32 session_id, |
43 const uint8* response, | 43 const uint8* response, |
44 int response_length) OVERRIDE; | 44 int response_length) OVERRIDE; |
45 virtual void ReleaseSession(uint32 reference_id) OVERRIDE; | 45 virtual void ReleaseSession(uint32 session_id) OVERRIDE; |
46 virtual Decryptor* GetDecryptor() OVERRIDE; | 46 virtual Decryptor* GetDecryptor() OVERRIDE; |
47 | 47 |
48 // Decryptor implementation. | 48 // Decryptor implementation. |
49 virtual void RegisterNewKeyCB(StreamType stream_type, | 49 virtual void RegisterNewKeyCB(StreamType stream_type, |
50 const NewKeyCB& key_added_cb) OVERRIDE; | 50 const NewKeyCB& key_added_cb) OVERRIDE; |
51 virtual void Decrypt(StreamType stream_type, | 51 virtual void Decrypt(StreamType stream_type, |
52 const scoped_refptr<DecoderBuffer>& encrypted, | 52 const scoped_refptr<DecoderBuffer>& encrypted, |
53 const DecryptCB& decrypt_cb) OVERRIDE; | 53 const DecryptCB& decrypt_cb) OVERRIDE; |
54 virtual void CancelDecrypt(StreamType stream_type) OVERRIDE; | 54 virtual void CancelDecrypt(StreamType stream_type) OVERRIDE; |
55 virtual void InitializeAudioDecoder(const AudioDecoderConfig& config, | 55 virtual void InitializeAudioDecoder(const AudioDecoderConfig& config, |
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109 // not needed any more. | 109 // not needed any more. |
110 typedef base::hash_map<std::string, DecryptionKey*> KeyMap; | 110 typedef base::hash_map<std::string, DecryptionKey*> KeyMap; |
111 | 111 |
112 // Since only Decrypt() is called off the renderer thread, we only need to | 112 // Since only Decrypt() is called off the renderer thread, we only need to |
113 // protect |key_map_|, the only member variable that is shared between | 113 // protect |key_map_|, the only member variable that is shared between |
114 // Decrypt() and other methods. | 114 // Decrypt() and other methods. |
115 KeyMap key_map_; // Protected by the |key_map_lock_|. | 115 KeyMap key_map_; // Protected by the |key_map_lock_|. |
116 mutable base::Lock key_map_lock_; // Protects the |key_map_|. | 116 mutable base::Lock key_map_lock_; // Protects the |key_map_|. |
117 | 117 |
118 // Make session ID unique per renderer by making it static. | 118 // Make session ID unique per renderer by making it static. |
119 // TODO(xhwang): Make session ID more strictly defined if needed: | 119 // TODO(xhwang): Make session ID more strictly defined if needed: |
ddorwin
2013/12/05 00:44:52
I think we can delete this. There were no more str
jrummell
2013/12/06 23:42:35
Done.
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120 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=16739#c0 | 120 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=16739#c0 |
121 static uint32 next_session_id_; | 121 static uint32 next_session_id_; |
ddorwin
2013/12/05 00:44:52
next_web_...?
jrummell
2013/12/06 23:42:35
Done.
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122 | 122 |
123 NewKeyCB new_audio_key_cb_; | 123 NewKeyCB new_audio_key_cb_; |
124 NewKeyCB new_video_key_cb_; | 124 NewKeyCB new_video_key_cb_; |
125 | 125 |
126 DISALLOW_COPY_AND_ASSIGN(AesDecryptor); | 126 DISALLOW_COPY_AND_ASSIGN(AesDecryptor); |
127 }; | 127 }; |
128 | 128 |
129 } // namespace media | 129 } // namespace media |
130 | 130 |
131 #endif // MEDIA_CRYPTO_AES_DECRYPTOR_H_ | 131 #endif // MEDIA_CRYPTO_AES_DECRYPTOR_H_ |
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