android_webview/renderer/aw_key_systems.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "android_webview/renderer/aw_key_systems.h"
   6
   7 #include <string>
   8
   9 #include "base/command_line.h"
  10 #include "base/logging.h"
  11 #include "content/public/common/eme_codec.h"
  12 #include "third_party/widevine/cdm/widevine_cdm_common.h"
  13
  14 using content::KeySystemInfo;
  15
  16 namespace {
  17
  18 // Return |name|'s parent key system.
  19 std::string GetDirectParentName(const std::string& name) {
  20   int last_period = name.find_last_of('.');
  21   DCHECK_GT(last_period, 0);
  22   return name.substr(0, last_period);
  23 }
  24
  25 void AddWidevineWithCodecs(const std::string& key_system_name,
  26                            bool add_parent_name,
  27                            std::vector<KeySystemInfo>* concrete_key_systems) {
  28   KeySystemInfo info(key_system_name);
  29
  30   if (add_parent_name)
  31     info.parent_key_system = GetDirectParentName(key_system_name);
  32
  33   info.supported_codecs = content::EME_CODEC_MP4_ALL;
  34
  35   concrete_key_systems->push_back(info);
  36 }
  37
  38 }  // namespace
  39
  40 namespace android_webview {
  41
  42 void AwAddKeySystems(
  43     std::vector<KeySystemInfo>* key_systems_info) {
  44   AddWidevineWithCodecs(kWidevineKeySystem, true, key_systems_info);
  45 }
  46
  47 }  // namespace android_webview