1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/cdm/common/android_cdm_registration.h"
#include "base/logging.h"
#include "media/base/android/media_drm_bridge.h"
#include "media/cdm/cdm_type.h"
#if BUILDFLAG(ENABLE_WIDEVINE)
#include "third_party/widevine/cdm/widevine_cdm_common.h" // nogncheck
#endif
namespace cdm {
#if BUILDFLAG(ENABLE_WIDEVINE)
void AddAndroidWidevineCdm(std::vector<content::CdmInfo>* cdms) {
// Widevine is done by MediaDrm, and should be supported on all devices.
// Register Widevine without any capabilities so that it will be
// checked the first time it is used.
cdms->emplace_back(kWidevineKeySystem,
content::CdmInfo::Robustness::kSoftwareSecure,
absl::nullopt, kWidevineCdmType);
cdms->emplace_back(kWidevineKeySystem,
content::CdmInfo::Robustness::kHardwareSecure,
absl::nullopt, kWidevineCdmType);
}
#endif // BUILDFLAG(ENABLE_WIDEVINE)
void AddOtherAndroidCdms(std::vector<content::CdmInfo>* cdms) {
// CdmInfo needs a CdmType, but on Android it is not used as the key system
// is supported by MediaDrm. Using a random value as something needs to be
// specified, but must be different than other CdmTypes specified.
// (On Android the key system is identified by UUID, and that mapping is
// maintained by MediaDrmBridge.)
const media::CdmType kAndroidCdmType{0x2e9dabb9c171c28cull,
0xf455252ec70b52adull};
// MediaDrmBridge returns a list of key systems available on the device
// that are not Widevine. Register them with no capabilities specified so
// that lazy evaluation can figure out what is supported when requested.
// We don't know if either software secure or hardware secure support is
// available, so register them both. Lazy evaluation will remove them
// if they aren't supported.
const auto key_system_names =
media::MediaDrmBridge::GetPlatformKeySystemNames();
for (const auto& key_system : key_system_names) {
DVLOG(3) << __func__ << " key_system:" << key_system;
cdms->emplace_back(key_system,
content::CdmInfo::Robustness::kSoftwareSecure,
absl::nullopt, kAndroidCdmType);
cdms->emplace_back(key_system,
content::CdmInfo::Robustness::kHardwareSecure,
absl::nullopt, kAndroidCdmType);
}
}
} // namespace cdm
|
