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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/renderer/media/chrome_key_systems.h" | 5 #include "chrome/renderer/media/chrome_key_systems.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "base/strings/string16.h" | 13 #include "base/strings/string16.h" |
14 #include "base/strings/string_split.h" | 14 #include "base/strings/string_split.h" |
15 #include "base/strings/utf_string_conversions.h" | 15 #include "base/strings/utf_string_conversions.h" |
16 #include "build/build_config.h" | 16 #include "build/build_config.h" |
17 #include "chrome/common/render_messages.h" | 17 #include "chrome/common/render_messages.h" |
| 18 #include "components/cdm/renderer/external_clear_key_key_system_properties.h" |
18 #include "components/cdm/renderer/widevine_key_system_properties.h" | 19 #include "components/cdm/renderer/widevine_key_system_properties.h" |
19 #include "content/public/renderer/render_thread.h" | 20 #include "content/public/renderer/render_thread.h" |
20 #include "media/base/eme_constants.h" | 21 #include "media/base/eme_constants.h" |
21 #include "media/base/key_system_properties.h" | 22 #include "media/base/key_system_properties.h" |
22 | 23 |
23 #if defined(OS_ANDROID) | 24 #if defined(OS_ANDROID) |
24 #include "components/cdm/renderer/android_key_systems.h" | 25 #include "components/cdm/renderer/android_key_systems.h" |
25 #endif | 26 #endif |
26 | 27 |
27 #if defined(ENABLE_PEPPER_CDMS) | 28 #if defined(ENABLE_PEPPER_CDMS) |
28 #include "base/feature_list.h" | 29 #include "base/feature_list.h" |
29 #include "media/base/media_switches.h" | 30 #include "media/base/media_switches.h" |
30 #endif | 31 #endif |
31 | 32 |
32 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. | 33 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. |
33 | 34 |
34 // The following must be after widevine_cdm_version.h. | 35 // The following must be after widevine_cdm_version.h. |
35 | 36 |
36 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_MIN_GLIBC_VERSION) | 37 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_MIN_GLIBC_VERSION) |
37 #include <gnu/libc-version.h> | 38 #include <gnu/libc-version.h> |
38 #include "base/version.h" | 39 #include "base/version.h" |
39 #endif | 40 #endif |
40 | 41 |
41 using media::KeySystemProperties; | 42 using media::KeySystemProperties; |
42 using media::SupportedCodecs; | 43 using media::SupportedCodecs; |
43 | 44 |
44 #if defined(ENABLE_PEPPER_CDMS) | 45 #if defined(ENABLE_PEPPER_CDMS) |
45 static const char kExternalClearKeyPepperType[] = | |
46 "application/x-ppapi-clearkey-cdm"; | |
47 | |
48 static bool IsPepperCdmAvailable( | 46 static bool IsPepperCdmAvailable( |
49 const std::string& pepper_type, | 47 const std::string& pepper_type, |
50 std::vector<base::string16>* additional_param_names, | 48 std::vector<base::string16>* additional_param_names, |
51 std::vector<base::string16>* additional_param_values) { | 49 std::vector<base::string16>* additional_param_values) { |
52 bool is_available = false; | 50 bool is_available = false; |
53 content::RenderThread::Get()->Send( | 51 content::RenderThread::Get()->Send( |
54 new ChromeViewHostMsg_IsInternalPluginAvailableForMimeType( | 52 new ChromeViewHostMsg_IsInternalPluginAvailableForMimeType( |
55 pepper_type, | 53 pepper_type, |
56 &is_available, | 54 &is_available, |
57 additional_param_names, | 55 additional_param_names, |
58 additional_param_values)); | 56 additional_param_values)); |
59 | 57 |
60 return is_available; | 58 return is_available; |
61 } | 59 } |
62 | 60 |
63 // KeySystemProperties implementation for external Clear Key systems. | |
64 class ExternalClearKeyProperties : public KeySystemProperties { | |
65 public: | |
66 explicit ExternalClearKeyProperties(const std::string& key_system_name) | |
67 : key_system_name_(key_system_name) {} | |
68 | |
69 std::string GetKeySystemName() const override { return key_system_name_; } | |
70 bool IsSupportedInitDataType( | |
71 media::EmeInitDataType init_data_type) const override { | |
72 switch (init_data_type) { | |
73 case media::EmeInitDataType::WEBM: | |
74 case media::EmeInitDataType::KEYIDS: | |
75 return true; | |
76 | |
77 case media::EmeInitDataType::CENC: | |
78 #if defined(USE_PROPRIETARY_CODECS) | |
79 return true; | |
80 #else | |
81 return false; | |
82 #endif // defined(USE_PROPRIETARY_CODECS) | |
83 | |
84 case media::EmeInitDataType::UNKNOWN: | |
85 return false; | |
86 } | |
87 NOTREACHED(); | |
88 return false; | |
89 } | |
90 | |
91 SupportedCodecs GetSupportedCodecs() const override { | |
92 #if defined(USE_PROPRIETARY_CODECS) | |
93 return media::EME_CODEC_MP4_ALL | media::EME_CODEC_WEBM_ALL; | |
94 #else | |
95 return media::EME_CODEC_WEBM_ALL; | |
96 #endif | |
97 } | |
98 | |
99 media::EmeConfigRule GetRobustnessConfigRule( | |
100 media::EmeMediaType media_type, | |
101 const std::string& requested_robustness) const override { | |
102 return requested_robustness.empty() ? media::EmeConfigRule::SUPPORTED | |
103 : media::EmeConfigRule::NOT_SUPPORTED; | |
104 } | |
105 | |
106 // Persistent license sessions are faked. | |
107 media::EmeSessionTypeSupport GetPersistentLicenseSessionSupport() | |
108 const override { | |
109 return media::EmeSessionTypeSupport::SUPPORTED; | |
110 } | |
111 | |
112 media::EmeSessionTypeSupport GetPersistentReleaseMessageSessionSupport() | |
113 const override { | |
114 return media::EmeSessionTypeSupport::NOT_SUPPORTED; | |
115 } | |
116 | |
117 media::EmeFeatureSupport GetPersistentStateSupport() const override { | |
118 return media::EmeFeatureSupport::REQUESTABLE; | |
119 } | |
120 | |
121 media::EmeFeatureSupport GetDistinctiveIdentifierSupport() const override { | |
122 return media::EmeFeatureSupport::NOT_SUPPORTED; | |
123 } | |
124 | |
125 std::string GetPepperType() const override { | |
126 return kExternalClearKeyPepperType; | |
127 } | |
128 | |
129 private: | |
130 const std::string key_system_name_; | |
131 }; | |
132 | |
133 // External Clear Key (used for testing). | 61 // External Clear Key (used for testing). |
134 static void AddExternalClearKey( | 62 static void AddExternalClearKey( |
135 std::vector<std::unique_ptr<KeySystemProperties>>* concrete_key_systems) { | 63 std::vector<std::unique_ptr<KeySystemProperties>>* concrete_key_systems) { |
136 static const char kExternalClearKeyKeySystem[] = | 64 static const char kExternalClearKeyKeySystem[] = |
137 "org.chromium.externalclearkey"; | 65 "org.chromium.externalclearkey"; |
138 static const char kExternalClearKeyDecryptOnlyKeySystem[] = | 66 static const char kExternalClearKeyDecryptOnlyKeySystem[] = |
139 "org.chromium.externalclearkey.decryptonly"; | 67 "org.chromium.externalclearkey.decryptonly"; |
140 static const char kExternalClearKeyRenewalKeySystem[] = | 68 static const char kExternalClearKeyRenewalKeySystem[] = |
141 "org.chromium.externalclearkey.renewal"; | 69 "org.chromium.externalclearkey.renewal"; |
142 static const char kExternalClearKeyFileIOTestKeySystem[] = | 70 static const char kExternalClearKeyFileIOTestKeySystem[] = |
143 "org.chromium.externalclearkey.fileiotest"; | 71 "org.chromium.externalclearkey.fileiotest"; |
144 static const char kExternalClearKeyOutputProtectionTestKeySystem[] = | 72 static const char kExternalClearKeyOutputProtectionTestKeySystem[] = |
145 "org.chromium.externalclearkey.outputprotectiontest"; | 73 "org.chromium.externalclearkey.outputprotectiontest"; |
146 static const char kExternalClearKeyInitializeFailKeySystem[] = | 74 static const char kExternalClearKeyInitializeFailKeySystem[] = |
147 "org.chromium.externalclearkey.initializefail"; | 75 "org.chromium.externalclearkey.initializefail"; |
148 static const char kExternalClearKeyCrashKeySystem[] = | 76 static const char kExternalClearKeyCrashKeySystem[] = |
149 "org.chromium.externalclearkey.crash"; | 77 "org.chromium.externalclearkey.crash"; |
150 | 78 |
151 std::vector<base::string16> additional_param_names; | 79 std::vector<base::string16> additional_param_names; |
152 std::vector<base::string16> additional_param_values; | 80 std::vector<base::string16> additional_param_values; |
153 if (!IsPepperCdmAvailable(kExternalClearKeyPepperType, | 81 if (!IsPepperCdmAvailable(cdm::kExternalClearKeyPepperType, |
154 &additional_param_names, | 82 &additional_param_names, |
155 &additional_param_values)) { | 83 &additional_param_values)) { |
156 return; | 84 return; |
157 } | 85 } |
158 | 86 |
159 concrete_key_systems->emplace_back( | 87 concrete_key_systems->emplace_back( |
160 new ExternalClearKeyProperties(kExternalClearKeyKeySystem)); | 88 new cdm::ExternalClearKeyProperties(kExternalClearKeyKeySystem)); |
161 | 89 |
162 // Add support of decrypt-only mode in ClearKeyCdm. | 90 // Add support of decrypt-only mode in ClearKeyCdm. |
163 concrete_key_systems->emplace_back( | 91 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
164 new ExternalClearKeyProperties(kExternalClearKeyDecryptOnlyKeySystem)); | 92 kExternalClearKeyDecryptOnlyKeySystem)); |
165 | 93 |
166 // A key system that triggers renewal message in ClearKeyCdm. | 94 // A key system that triggers renewal message in ClearKeyCdm. |
167 concrete_key_systems->emplace_back( | 95 concrete_key_systems->emplace_back( |
168 new ExternalClearKeyProperties(kExternalClearKeyRenewalKeySystem)); | 96 new cdm::ExternalClearKeyProperties(kExternalClearKeyRenewalKeySystem)); |
169 | 97 |
170 // A key system that triggers the FileIO test in ClearKeyCdm. | 98 // A key system that triggers the FileIO test in ClearKeyCdm. |
171 concrete_key_systems->emplace_back( | 99 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
172 new ExternalClearKeyProperties(kExternalClearKeyFileIOTestKeySystem)); | 100 kExternalClearKeyFileIOTestKeySystem)); |
173 | 101 |
174 // A key system that triggers the output protection test in ClearKeyCdm. | 102 // A key system that triggers the output protection test in ClearKeyCdm. |
175 concrete_key_systems->emplace_back(new ExternalClearKeyProperties( | 103 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
176 kExternalClearKeyOutputProtectionTestKeySystem)); | 104 kExternalClearKeyOutputProtectionTestKeySystem)); |
177 | 105 |
178 // A key system that Chrome thinks is supported by ClearKeyCdm, but actually | 106 // A key system that Chrome thinks is supported by ClearKeyCdm, but actually |
179 // will be refused by ClearKeyCdm. This is to test the CDM initialization | 107 // will be refused by ClearKeyCdm. This is to test the CDM initialization |
180 // failure case. | 108 // failure case. |
181 concrete_key_systems->emplace_back( | 109 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
182 new ExternalClearKeyProperties(kExternalClearKeyInitializeFailKeySystem)); | 110 kExternalClearKeyInitializeFailKeySystem)); |
183 | 111 |
184 // A key system that triggers a crash in ClearKeyCdm. | 112 // A key system that triggers a crash in ClearKeyCdm. |
185 concrete_key_systems->emplace_back( | 113 concrete_key_systems->emplace_back( |
186 new ExternalClearKeyProperties(kExternalClearKeyCrashKeySystem)); | 114 new cdm::ExternalClearKeyProperties(kExternalClearKeyCrashKeySystem)); |
187 } | 115 } |
188 | 116 |
189 #if defined(WIDEVINE_CDM_AVAILABLE) | 117 #if defined(WIDEVINE_CDM_AVAILABLE) |
190 // This function finds "codecs" and parses the value into the vector |codecs|. | 118 // This function finds "codecs" and parses the value into the vector |codecs|. |
191 // Converts the codec strings to UTF-8 since we only expect ASCII strings and | 119 // Converts the codec strings to UTF-8 since we only expect ASCII strings and |
192 // this simplifies the rest of the code in this file. | 120 // this simplifies the rest of the code in this file. |
193 void GetSupportedCodecsForPepperCdm( | 121 void GetSupportedCodecsForPepperCdm( |
194 const std::vector<base::string16>& additional_param_names, | 122 const std::vector<base::string16>& additional_param_names, |
195 const std::vector<base::string16>& additional_param_values, | 123 const std::vector<base::string16>& additional_param_values, |
196 std::vector<std::string>* codecs) { | 124 std::vector<std::string>* codecs) { |
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296 #if defined(WIDEVINE_CDM_AVAILABLE) | 224 #if defined(WIDEVINE_CDM_AVAILABLE) |
297 AddPepperBasedWidevine(key_systems_properties); | 225 AddPepperBasedWidevine(key_systems_properties); |
298 #endif // defined(WIDEVINE_CDM_AVAILABLE) | 226 #endif // defined(WIDEVINE_CDM_AVAILABLE) |
299 | 227 |
300 #endif // defined(ENABLE_PEPPER_CDMS) | 228 #endif // defined(ENABLE_PEPPER_CDMS) |
301 | 229 |
302 #if defined(OS_ANDROID) | 230 #if defined(OS_ANDROID) |
303 cdm::AddAndroidWidevine(key_systems_properties); | 231 cdm::AddAndroidWidevine(key_systems_properties); |
304 #endif // defined(OS_ANDROID) | 232 #endif // defined(OS_ANDROID) |
305 } | 233 } |
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