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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_BLINK_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 5 #ifndef MEDIA_BLINK_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
6 #define MEDIA_BLINK_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 6 #define MEDIA_BLINK_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "base/memory/weak_ptr.h" | 13 #include "base/memory/weak_ptr.h" |
14 #include "media/base/cdm_context.h" | 14 #include "media/base/cdm_context.h" |
15 #include "media/base/cdm_factory.h" | 15 #include "media/base/cdm_factory.h" |
16 #include "media/base/demuxer.h" | 16 #include "media/base/demuxer.h" |
17 #include "media/base/eme_constants.h" | 17 #include "media/base/eme_constants.h" |
18 #include "media/cdm/proxy_decryptor.h" | 18 #include "media/cdm/proxy_decryptor.h" |
19 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h" | 19 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h" |
20 #include "third_party/WebKit/public/platform/WebMediaPlayer.h" | 20 #include "third_party/WebKit/public/platform/WebMediaPlayer.h" |
21 | 21 |
22 namespace blink { | 22 namespace blink { |
23 class WebContentDecryptionModule; | 23 class WebContentDecryptionModule; |
24 class WebLocalFrame; | 24 class WebLocalFrame; |
25 class WebMediaPlayerClient; | 25 class WebMediaPlayerEncryptedMediaClient; |
26 class WebString; | 26 class WebString; |
27 } | 27 } |
28 | 28 |
29 namespace media { | 29 namespace media { |
30 | 30 |
31 class MediaPermission; | 31 class MediaPermission; |
32 class WebContentDecryptionModuleImpl; | 32 class WebContentDecryptionModuleImpl; |
33 | 33 |
34 // Provides support to prefixed EME implementation. | 34 // Provides support to prefixed EME implementation. |
35 // Do NOT add unprefixed EME functionality to this class! | 35 // Do NOT add unprefixed EME functionality to this class! |
36 // TODO(xhwang): When deprecating prefixed EME support, drop this whole file. | 36 // TODO(xhwang): When deprecating prefixed EME support, drop this whole file. |
37 class EncryptedMediaPlayerSupport | 37 class EncryptedMediaPlayerSupport |
38 : public base::SupportsWeakPtr<EncryptedMediaPlayerSupport> { | 38 : public base::SupportsWeakPtr<EncryptedMediaPlayerSupport> { |
39 public: | 39 public: |
40 using CdmContextReadyCB = ProxyDecryptor::CdmContextReadyCB; | 40 using CdmContextReadyCB = ProxyDecryptor::CdmContextReadyCB; |
41 | 41 |
42 // |cdm_context_ready_cb| is called when the CDM instance creation completes. | 42 // |cdm_context_ready_cb| is called when the CDM instance creation completes. |
43 EncryptedMediaPlayerSupport(CdmFactory* cdm_factory, | 43 EncryptedMediaPlayerSupport(CdmFactory* cdm_factory, |
44 blink::WebMediaPlayerClient* client, | 44 blink::WebMediaPlayerEncryptedMediaClient* client, |
45 MediaPermission* media_permission, | 45 MediaPermission* media_permission, |
46 const CdmContextReadyCB& cdm_context_ready_cb); | 46 const CdmContextReadyCB& cdm_context_ready_cb); |
47 ~EncryptedMediaPlayerSupport(); | 47 ~EncryptedMediaPlayerSupport(); |
48 | 48 |
49 blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest( | 49 blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest( |
50 blink::WebLocalFrame* frame, | 50 blink::WebLocalFrame* frame, |
51 const blink::WebString& key_system, | 51 const blink::WebString& key_system, |
52 const unsigned char* init_data, | 52 const unsigned char* init_data, |
53 unsigned init_data_length); | 53 unsigned init_data_length); |
54 | 54 |
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90 void OnKeyAdded(const std::string& session_id); | 90 void OnKeyAdded(const std::string& session_id); |
91 void OnKeyError(const std::string& session_id, | 91 void OnKeyError(const std::string& session_id, |
92 MediaKeys::KeyError error_code, | 92 MediaKeys::KeyError error_code, |
93 uint32 system_code); | 93 uint32 system_code); |
94 void OnKeyMessage(const std::string& session_id, | 94 void OnKeyMessage(const std::string& session_id, |
95 const std::vector<uint8>& message, | 95 const std::vector<uint8>& message, |
96 const GURL& destination_url); | 96 const GURL& destination_url); |
97 | 97 |
98 CdmFactory* cdm_factory_; | 98 CdmFactory* cdm_factory_; |
99 | 99 |
100 blink::WebMediaPlayerClient* client_; | 100 blink::WebMediaPlayerEncryptedMediaClient* client_; |
101 | 101 |
102 MediaPermission* media_permission_; | 102 MediaPermission* media_permission_; |
103 | 103 |
104 // The currently selected key system. Empty string means that no key system | 104 // The currently selected key system. Empty string means that no key system |
105 // has been selected. | 105 // has been selected. |
106 std::string current_key_system_; | 106 std::string current_key_system_; |
107 | 107 |
108 // We assume all streams are from the same container, thus have the same | 108 // We assume all streams are from the same container, thus have the same |
109 // init data type. | 109 // init data type. |
110 EmeInitDataType init_data_type_; | 110 EmeInitDataType init_data_type_; |
111 | 111 |
112 CdmContextReadyCB cdm_context_ready_cb_; | 112 CdmContextReadyCB cdm_context_ready_cb_; |
113 | 113 |
114 // Manages decryption keys and decrypts encrypted frames. | 114 // Manages decryption keys and decrypts encrypted frames. |
115 scoped_ptr<ProxyDecryptor> proxy_decryptor_; | 115 scoped_ptr<ProxyDecryptor> proxy_decryptor_; |
116 | 116 |
117 DISALLOW_COPY_AND_ASSIGN(EncryptedMediaPlayerSupport); | 117 DISALLOW_COPY_AND_ASSIGN(EncryptedMediaPlayerSupport); |
118 }; | 118 }; |
119 | 119 |
120 } // namespace media | 120 } // namespace media |
121 | 121 |
122 #endif // MEDIA_BLINK_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 122 #endif // MEDIA_BLINK_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
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