media/base/android/browser_cdm_factory_android.cc

   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.Pass();
  51 }
  52
  53 }  // namespace media