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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "media/base/android/browser_cdm_factory_android.h" | |
6 | |
7 #include "base/command_line.h" | |
8 #include "base/logging.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "media/base/android/media_drm_bridge.h" | |
11 #include "media/base/media_switches.h" | |
12 #include "third_party/widevine/cdm/widevine_cdm_common.h" | |
13 | |
14 namespace media { | |
15 | |
16 scoped_refptr<MediaKeys> BrowserCdmFactoryAndroid::CreateBrowserCdm( | |
17 const std::string& key_system, | |
18 bool use_hw_secure_codecs, | |
19 const SessionMessageCB& session_message_cb, | |
20 const SessionClosedCB& session_closed_cb, | |
21 const LegacySessionErrorCB& legacy_session_error_cb, | |
22 const SessionKeysChangeCB& session_keys_change_cb, | |
23 const SessionExpirationUpdateCB& session_expiration_update_cb) { | |
24 if (!MediaDrmBridge::IsKeySystemSupported(key_system)) { | |
25 NOTREACHED() << "Key system not supported unexpectedly: " << key_system; | |
26 return nullptr; | |
27 } | |
28 | |
29 scoped_refptr<MediaDrmBridge> cdm( | |
30 MediaDrmBridge::Create(key_system, session_message_cb, session_closed_cb, | |
31 legacy_session_error_cb, session_keys_change_cb, | |
32 session_expiration_update_cb)); | |
33 if (!cdm) { | |
34 NOTREACHED() << "MediaDrmBridge cannot be created for " << key_system; | |
35 return nullptr; | |
36 } | |
37 | |
38 if (key_system == kWidevineKeySystem) { | |
39 MediaDrmBridge::SecurityLevel security_level = | |
40 use_hw_secure_codecs ? MediaDrmBridge::SECURITY_LEVEL_1 | |
41 : MediaDrmBridge::SECURITY_LEVEL_3; | |
42 if (!cdm->SetSecurityLevel(security_level)) { | |
43 DVLOG(1) << "failed to set security level " << security_level; | |
44 return nullptr; | |
45 } | |
46 } else { | |
47 // Assume other key systems require hardware-secure codecs and thus do not | |
48 // support full compositing. | |
49 if (!use_hw_secure_codecs) { | |
50 NOTREACHED() | |
51 << key_system | |
52 << " may require use_video_overlay_for_embedded_encrypted_video"; | |
53 return nullptr; | |
54 } | |
55 } | |
56 | |
57 return cdm; | |
58 } | |
59 | |
60 } // namespace media | |
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