key_systems_common.cc revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
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 "chromecast/media/base/key_systems_common.h"
6
7#include <cstddef>
8
9#include "media/cdm/key_system_names.h"
10
11#include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR.
12
13namespace chromecast {
14namespace media {
15
16const char kChromecastPlayreadyKeySystem[] = "com.chromecast.playready";
17
18CastKeySystem GetKeySystemByName(const std::string& key_system_name) {
19#if defined(WIDEVINE_CDM_AVAILABLE)
20  if (key_system_name.compare(kWidevineKeySystem) == 0) {
21    return KEY_SYSTEM_WIDEVINE;
22  }
23#endif  // defined(WIDEVINE_CDM_AVAILABLE)
24
25#if defined(PLAYREADY_CDM_AVAILABLE)
26  if (key_system_name.compare(kChromecastPlayreadyKeySystem) == 0) {
27    return KEY_SYSTEM_PLAYREADY;
28  }
29#endif  // defined(PLAYREADY_CDM_AVAILABLE)
30
31  if (key_system_name.compare(::media::kClearKey) == 0) {
32    return KEY_SYSTEM_CLEAR_KEY;
33  }
34
35  return GetPlatformKeySystemByName(key_system_name);
36}
37
38}  // namespace media
39}  // namespace chromecast
40