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/browser_cdm_factory.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 13 namespace media { 14 15 scoped_ptr<BrowserCdm> CreateBrowserCdm( 16 const std::string& key_system, 17 const BrowserCdm::SessionCreatedCB& session_created_cb, 18 const BrowserCdm::SessionMessageCB& session_message_cb, 19 const BrowserCdm::SessionReadyCB& session_ready_cb, 20 const BrowserCdm::SessionClosedCB& session_closed_cb, 21 const BrowserCdm::SessionErrorCB& session_error_cb) { 22 if (!MediaDrmBridge::IsKeySystemSupported(key_system)) { 23 NOTREACHED() << "Unsupported key system: " << key_system; 24 return scoped_ptr<BrowserCdm>(); 25 } 26 27 scoped_ptr<MediaDrmBridge> cdm(MediaDrmBridge::Create(key_system, 28 session_created_cb, 29 session_message_cb, 30 session_ready_cb, 31 session_closed_cb, 32 session_error_cb)); 33 if (!cdm) { 34 NOTREACHED() << "MediaDrmBridge cannot be created for " << key_system; 35 return scoped_ptr<BrowserCdm>(); 36 } 37 38 // TODO(xhwang/ddorwin): Pass the security level from key system. 39 MediaDrmBridge::SecurityLevel security_level = 40 MediaDrmBridge::SECURITY_LEVEL_3; 41 if (CommandLine::ForCurrentProcess()->HasSwitch( 42 switches::kMediaDrmEnableNonCompositing)) { 43 security_level = MediaDrmBridge::SECURITY_LEVEL_1; 44 } 45 if (!cdm->SetSecurityLevel(security_level)) { 46 DVLOG(1) << "failed to set security level " << security_level; 47 return scoped_ptr<BrowserCdm>(); 48 } 49 50 return cdm.PassAs<BrowserCdm>(); 51 } 52 53 } // namespace media 54
