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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 #include "content/renderer/media/crypto/proxy_decryptor.h" | 5 #include "content/renderer/media/crypto/proxy_decryptor.h" |
6 | 6 |
7 #include <cstring> | 7 #include <cstring> |
8 | 8 |
9 #include "base/bind.h" | 9 #include "base/bind.h" |
10 #include "base/callback_helpers.h" | 10 #include "base/callback_helpers.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/strings/string_util.h" | 12 #include "base/strings/string_util.h" |
13 #include "content/renderer/media/crypto/content_decryption_module_factory.h" | 13 #include "content/renderer/media/crypto/content_decryption_module_factory.h" |
14 #include "media/base/cdm_promise.h" | 14 #include "media/base/cdm_promise.h" |
15 #include "media/cdm/json_web_key.h" | 15 #include "media/cdm/json_web_key.h" |
16 #include "media/cdm/key_system_names.h" | 16 #include "media/cdm/key_system_names.h" |
17 | 17 |
18 #if defined(ENABLE_PEPPER_CDMS) | 18 #if defined(ENABLE_PEPPER_CDMS) |
19 #include "content/renderer/media/crypto/pepper_cdm_wrapper.h" | 19 #include "content/renderer/media/crypto/pepper_cdm_wrapper.h" |
20 #endif // defined(ENABLE_PEPPER_CDMS) | 20 #endif // defined(ENABLE_PEPPER_CDMS) |
21 | 21 |
22 #if defined(OS_ANDROID) | 22 #if defined(ENABLE_BROWSER_CDMS) |
23 #include "content/renderer/media/crypto/renderer_cdm_manager.h" | 23 #include "content/renderer/media/crypto/renderer_cdm_manager.h" |
24 #endif // defined(OS_ANDROID) | 24 #endif // defined(ENABLE_BROWSER_CDMS) |
25 | 25 |
26 namespace content { | 26 namespace content { |
27 | 27 |
28 // Special system code to signal a closed persistent session in a SessionError() | 28 // Special system code to signal a closed persistent session in a SessionError() |
29 // call. This is needed because there is no SessionClosed() call in the prefixed | 29 // call. This is needed because there is no SessionClosed() call in the prefixed |
30 // EME API. | 30 // EME API. |
31 const int kSessionClosedSystemCode = 29127; | 31 const int kSessionClosedSystemCode = 29127; |
32 | 32 |
33 ProxyDecryptor::ProxyDecryptor( | 33 ProxyDecryptor::ProxyDecryptor( |
34 #if defined(ENABLE_PEPPER_CDMS) | 34 #if defined(ENABLE_PEPPER_CDMS) |
35 const CreatePepperCdmCB& create_pepper_cdm_cb, | 35 const CreatePepperCdmCB& create_pepper_cdm_cb, |
36 #elif defined(OS_ANDROID) | 36 #elif defined(ENABLE_BROWSER_CDMS) |
37 RendererCdmManager* manager, | 37 RendererCdmManager* manager, |
38 #endif // defined(ENABLE_PEPPER_CDMS) | 38 #endif // defined(ENABLE_PEPPER_CDMS) |
39 const KeyAddedCB& key_added_cb, | 39 const KeyAddedCB& key_added_cb, |
40 const KeyErrorCB& key_error_cb, | 40 const KeyErrorCB& key_error_cb, |
41 const KeyMessageCB& key_message_cb) | 41 const KeyMessageCB& key_message_cb) |
42 : | 42 : |
43 #if defined(ENABLE_PEPPER_CDMS) | 43 #if defined(ENABLE_PEPPER_CDMS) |
44 create_pepper_cdm_cb_(create_pepper_cdm_cb), | 44 create_pepper_cdm_cb_(create_pepper_cdm_cb), |
45 #elif defined(OS_ANDROID) | 45 #elif defined(ENABLE_BROWSER_CDMS) |
46 manager_(manager), | 46 manager_(manager), |
47 cdm_id_(RendererCdmManager::kInvalidCdmId), | 47 cdm_id_(RendererCdmManager::kInvalidCdmId), |
48 #endif // defined(ENABLE_PEPPER_CDMS) | 48 #endif // defined(ENABLE_PEPPER_CDMS) |
49 key_added_cb_(key_added_cb), | 49 key_added_cb_(key_added_cb), |
50 key_error_cb_(key_error_cb), | 50 key_error_cb_(key_error_cb), |
51 key_message_cb_(key_message_cb), | 51 key_message_cb_(key_message_cb), |
52 is_clear_key_(false), | 52 is_clear_key_(false), |
53 weak_ptr_factory_(this) { | 53 weak_ptr_factory_(this) { |
54 #if defined(ENABLE_PEPPER_CDMS) | 54 #if defined(ENABLE_PEPPER_CDMS) |
55 DCHECK(!create_pepper_cdm_cb_.is_null()); | 55 DCHECK(!create_pepper_cdm_cb_.is_null()); |
56 #endif // defined(ENABLE_PEPPER_CDMS) | 56 #endif // defined(ENABLE_PEPPER_CDMS) |
57 DCHECK(!key_added_cb_.is_null()); | 57 DCHECK(!key_added_cb_.is_null()); |
58 DCHECK(!key_error_cb_.is_null()); | 58 DCHECK(!key_error_cb_.is_null()); |
59 DCHECK(!key_message_cb_.is_null()); | 59 DCHECK(!key_message_cb_.is_null()); |
60 } | 60 } |
61 | 61 |
62 ProxyDecryptor::~ProxyDecryptor() { | 62 ProxyDecryptor::~ProxyDecryptor() { |
63 // Destroy the decryptor explicitly before destroying the plugin. | 63 // Destroy the decryptor explicitly before destroying the plugin. |
64 media_keys_.reset(); | 64 media_keys_.reset(); |
65 } | 65 } |
66 | 66 |
67 media::Decryptor* ProxyDecryptor::GetDecryptor() { | 67 media::Decryptor* ProxyDecryptor::GetDecryptor() { |
68 return media_keys_ ? media_keys_->GetDecryptor() : NULL; | 68 return media_keys_ ? media_keys_->GetDecryptor() : NULL; |
69 } | 69 } |
70 | 70 |
71 #if defined(OS_ANDROID) | 71 #if defined(ENABLE_BROWSER_CDMS) |
72 int ProxyDecryptor::GetCdmId() { | 72 int ProxyDecryptor::GetCdmId() { |
73 return cdm_id_; | 73 return cdm_id_; |
74 } | 74 } |
75 #endif | 75 #endif |
76 | 76 |
77 bool ProxyDecryptor::InitializeCDM(const std::string& key_system, | 77 bool ProxyDecryptor::InitializeCDM(const std::string& key_system, |
78 const GURL& security_origin) { | 78 const GURL& security_origin) { |
79 DVLOG(1) << "InitializeCDM: key_system = " << key_system; | 79 DVLOG(1) << "InitializeCDM: key_system = " << key_system; |
80 | 80 |
81 DCHECK(!media_keys_); | 81 DCHECK(!media_keys_); |
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205 } | 205 } |
206 | 206 |
207 scoped_ptr<media::MediaKeys> ProxyDecryptor::CreateMediaKeys( | 207 scoped_ptr<media::MediaKeys> ProxyDecryptor::CreateMediaKeys( |
208 const std::string& key_system, | 208 const std::string& key_system, |
209 const GURL& security_origin) { | 209 const GURL& security_origin) { |
210 return ContentDecryptionModuleFactory::Create( | 210 return ContentDecryptionModuleFactory::Create( |
211 key_system, | 211 key_system, |
212 security_origin, | 212 security_origin, |
213 #if defined(ENABLE_PEPPER_CDMS) | 213 #if defined(ENABLE_PEPPER_CDMS) |
214 create_pepper_cdm_cb_, | 214 create_pepper_cdm_cb_, |
215 #elif defined(OS_ANDROID) | 215 #elif defined(ENABLE_BROWSER_CDMS) |
216 manager_, | 216 manager_, |
217 &cdm_id_, | 217 &cdm_id_, |
218 #endif // defined(ENABLE_PEPPER_CDMS) | 218 #endif // defined(ENABLE_PEPPER_CDMS) |
219 base::Bind(&ProxyDecryptor::OnSessionMessage, | 219 base::Bind(&ProxyDecryptor::OnSessionMessage, |
220 weak_ptr_factory_.GetWeakPtr()), | 220 weak_ptr_factory_.GetWeakPtr()), |
221 base::Bind(&ProxyDecryptor::OnSessionReady, | 221 base::Bind(&ProxyDecryptor::OnSessionReady, |
222 weak_ptr_factory_.GetWeakPtr()), | 222 weak_ptr_factory_.GetWeakPtr()), |
223 base::Bind(&ProxyDecryptor::OnSessionClosed, | 223 base::Bind(&ProxyDecryptor::OnSessionClosed, |
224 weak_ptr_factory_.GetWeakPtr()), | 224 weak_ptr_factory_.GetWeakPtr()), |
225 base::Bind(&ProxyDecryptor::OnSessionError, | 225 base::Bind(&ProxyDecryptor::OnSessionError, |
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272 } | 272 } |
273 key_error_cb_.Run(web_session_id, error_code, system_code); | 273 key_error_cb_.Run(web_session_id, error_code, system_code); |
274 } | 274 } |
275 | 275 |
276 void ProxyDecryptor::SetSessionId(bool persistent, | 276 void ProxyDecryptor::SetSessionId(bool persistent, |
277 const std::string& web_session_id) { | 277 const std::string& web_session_id) { |
278 active_sessions_.insert(std::make_pair(web_session_id, persistent)); | 278 active_sessions_.insert(std::make_pair(web_session_id, persistent)); |
279 } | 279 } |
280 | 280 |
281 } // namespace content | 281 } // namespace content |
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