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 "base/strings/string_split.h"
12 #include "third_party/widevine/cdm/widevine_cdm_common.h"
13
14 using content::KeySystemInfo;
15
16 namespace {
17
18 const char kAudioMp4[] = "audio/mp4";
19 const char kVideoMp4[] = "video/mp4";
20 const char kMp4a[] = "mp4a";
21 const char kMp4aAvc1Avc3[] = "mp4a,avc1,avc3";
22
23 const uint8 kWidevineUuid[16] = {
24 0xED, 0xEF, 0x8B, 0xA9, 0x79, 0xD6, 0x4A, 0xCE,
25 0xA3, 0xC8, 0x27, 0xDC, 0xD5, 0x1D, 0x21, 0xED };
26
27 // Return |name|'s parent key system.
GetDirectParentName(const std::string & name)28 std::string GetDirectParentName(const std::string& name) {
29 int last_period = name.find_last_of('.');
30 DCHECK_GT(last_period, 0);
31 return name.substr(0, last_period);
32 }
33
AddWidevineWithCodecs(const std::string & key_system_name,bool add_parent_name,std::vector<KeySystemInfo> * concrete_key_systems)34 void AddWidevineWithCodecs(
35 const std::string& key_system_name,
36 bool add_parent_name,
37 std::vector<KeySystemInfo>* concrete_key_systems) {
38 KeySystemInfo info(key_system_name);
39
40 if (add_parent_name)
41 info.parent_key_system = GetDirectParentName(key_system_name);
42
43 info.supported_types.push_back(std::make_pair(kAudioMp4, kMp4a));
44 info.supported_types.push_back(std::make_pair(kVideoMp4, kMp4aAvc1Avc3));
45
46 info.uuid.assign(kWidevineUuid, kWidevineUuid + arraysize(kWidevineUuid));
47
48 concrete_key_systems->push_back(info);
49 }
50
51 } // namespace
52
53 namespace android_webview {
54
AwAddKeySystems(std::vector<KeySystemInfo> * key_systems_info)55 void AwAddKeySystems(
56 std::vector<KeySystemInfo>* key_systems_info) {
57 AddWidevineWithCodecs(kWidevineKeySystem, true, key_systems_info);
58 }
59
60 } // namespace android_webview
61