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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "media/base/android/android_cdm_factory.h" | 5 #include "media/base/android/android_cdm_factory.h" |
6 | 6 |
7 #include "base/feature_list.h" | 7 #include "base/feature_list.h" |
8 #include "base/strings/string_number_conversions.h" | 8 #include "base/strings/string_number_conversions.h" |
9 #include "media/base/android/media_drm_bridge.h" | 9 #include "media/base/android/media_drm_bridge.h" |
10 #include "media/base/bind_to_current_loop.h" | 10 #include "media/base/bind_to_current_loop.h" |
11 #include "media/base/cdm_config.h" | 11 #include "media/base/cdm_config.h" |
12 #include "media/base/content_decryption_module.h" | 12 #include "media/base/content_decryption_module.h" |
13 #include "media/base/key_system_names.h" | 13 #include "media/base/key_system_names.h" |
14 #include "media/base/key_systems.h" | 14 #include "media/base/key_systems.h" |
15 #include "media/base/media_switches.h" | 15 #include "media/base/media_switches.h" |
16 #include "media/cdm/aes_decryptor.h" | 16 #include "media/cdm/aes_decryptor.h" |
17 #include "third_party/widevine/cdm/widevine_cdm_common.h" | 17 #include "third_party/widevine/cdm/widevine_cdm_common.h" |
18 #include "url/gurl.h" | 18 #include "url/gurl.h" |
19 | 19 |
20 namespace media { | 20 namespace media { |
21 namespace { | |
22 void OnCdmCreated(const std::string& key_system, | |
23 MediaDrmBridge::SecurityLevel security_level, | |
24 const CdmCreatedCB& bound_cdm_created_cb, | |
25 scoped_refptr<MediaDrmBridge> cdm) { | |
26 if (!cdm) { | |
27 std::string error_message = "MediaDrmBridge cannot be created for " + | |
28 key_system + " with security level " + | |
29 base::IntToString(security_level); | |
30 LOG(ERROR) << error_message; | |
31 bound_cdm_created_cb.Run(nullptr, error_message); | |
32 return; | |
33 } | |
34 | |
35 // Success! | |
36 bound_cdm_created_cb.Run(cdm, ""); | |
37 } | |
38 } // namespace | |
21 | 39 |
22 AndroidCdmFactory::AndroidCdmFactory(const CreateFetcherCB& create_fetcher_cb, | 40 AndroidCdmFactory::AndroidCdmFactory(const CreateFetcherCB& create_fetcher_cb, |
23 const CreateStorageCB& create_storage_cb) | 41 const CreateStorageCB& create_storage_cb) |
24 : create_fetcher_cb_(create_fetcher_cb), | 42 : create_fetcher_cb_(create_fetcher_cb), |
25 create_storage_cb_(create_storage_cb) {} | 43 create_storage_cb_(create_storage_cb) {} |
26 | 44 |
27 AndroidCdmFactory::~AndroidCdmFactory() {} | 45 AndroidCdmFactory::~AndroidCdmFactory() {} |
28 | 46 |
29 void AndroidCdmFactory::Create( | 47 void AndroidCdmFactory::Create( |
30 const std::string& key_system, | 48 const std::string& key_system, |
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
73 // Assume other key systems require hardware-secure codecs and thus do not | 91 // Assume other key systems require hardware-secure codecs and thus do not |
74 // support full compositing. | 92 // support full compositing. |
75 error_message = | 93 error_message = |
76 key_system + | 94 key_system + |
77 " may require use_video_overlay_for_embedded_encrypted_video"; | 95 " may require use_video_overlay_for_embedded_encrypted_video"; |
78 NOTREACHED() << error_message; | 96 NOTREACHED() << error_message; |
79 bound_cdm_created_cb.Run(nullptr, error_message); | 97 bound_cdm_created_cb.Run(nullptr, error_message); |
80 return; | 98 return; |
81 } | 99 } |
82 | 100 |
83 scoped_refptr<MediaDrmBridge> cdm(MediaDrmBridge::Create( | 101 MediaDrmBridge::Create(key_system, security_origin, security_level, |
84 key_system, security_origin, security_level, create_fetcher_cb_, | 102 create_fetcher_cb_, create_storage_cb_, |
85 create_storage_cb_, session_message_cb, session_closed_cb, | 103 session_message_cb, session_closed_cb, |
86 session_keys_change_cb, session_expiration_update_cb)); | 104 session_keys_change_cb, session_expiration_update_cb, |
87 if (!cdm) { | 105 base::BindOnce(&OnCdmCreated, key_system, |
88 error_message = "MediaDrmBridge cannot be created for " + key_system + | 106 security_level, bound_cdm_created_cb)); |
xhwang
2017/05/03 06:00:55
nit: no need to use bound_cdm_created_cb here sinc
yucliu1
2017/05/03 06:33:49
The callback should be bound in some cases, e.g. o
yucliu1
2017/05/10 20:41:38
After looking at the logic inside MediaDrmBridge,
| |
89 " with security level " + base::IntToString(security_level); | |
90 LOG(ERROR) << error_message; | |
91 bound_cdm_created_cb.Run(nullptr, error_message); | |
92 return; | |
93 } | |
94 | |
95 // Success! | |
96 bound_cdm_created_cb.Run(cdm, ""); | |
97 } | 107 } |
98 | 108 |
99 } // namespace media | 109 } // namespace media |
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