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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 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. | 28 #include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR. |
| 28 | 29 |
| 29 // The following must be after widevine_cdm_version.h. | 30 // The following must be after widevine_cdm_version.h. |
| 30 | 31 |
| 31 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_MIN_GLIBC_VERSION) | 32 #if defined(WIDEVINE_CDM_AVAILABLE) && defined(WIDEVINE_CDM_MIN_GLIBC_VERSION) |
| 32 #include <gnu/libc-version.h> | 33 #include <gnu/libc-version.h> |
| 33 #include "base/version.h" | 34 #include "base/version.h" |
| 34 #endif | 35 #endif |
| 35 | 36 |
| 36 using media::KeySystemProperties; | 37 using media::KeySystemProperties; |
| 37 using media::SupportedCodecs; | 38 using media::SupportedCodecs; |
| 38 | 39 |
| 39 #if defined(ENABLE_PEPPER_CDMS) | 40 #if defined(ENABLE_PEPPER_CDMS) |
| 40 static const char kExternalClearKeyPepperType[] = | |
| 41 "application/x-ppapi-clearkey-cdm"; | |
| 42 | |
| 43 static bool IsPepperCdmAvailable( | 41 static bool IsPepperCdmAvailable( |
| 44 const std::string& pepper_type, | 42 const std::string& pepper_type, |
| 45 std::vector<base::string16>* additional_param_names, | 43 std::vector<base::string16>* additional_param_names, |
| 46 std::vector<base::string16>* additional_param_values) { | 44 std::vector<base::string16>* additional_param_values) { |
| 47 bool is_available = false; | 45 bool is_available = false; |
| 48 content::RenderThread::Get()->Send( | 46 content::RenderThread::Get()->Send( |
| 49 new ChromeViewHostMsg_IsInternalPluginAvailableForMimeType( | 47 new ChromeViewHostMsg_IsInternalPluginAvailableForMimeType( |
| 50 pepper_type, | 48 pepper_type, |
| 51 &is_available, | 49 &is_available, |
| 52 additional_param_names, | 50 additional_param_names, |
| 53 additional_param_values)); | 51 additional_param_values)); |
| 54 | 52 |
| 55 return is_available; | 53 return is_available; |
| 56 } | 54 } |
| 57 | 55 |
| 58 // KeySystemProperties implementation for external Clear Key systems. | |
| 59 class ExternalClearKeyProperties : public KeySystemProperties { | |
| 60 public: | |
| 61 explicit ExternalClearKeyProperties(const std::string& key_system_name) | |
| 62 : key_system_name_(key_system_name) {} | |
| 63 | |
| 64 std::string GetKeySystemName() const override { return key_system_name_; } | |
| 65 bool IsSupportedInitDataType( | |
| 66 media::EmeInitDataType init_data_type) const override { | |
| 67 switch (init_data_type) { | |
| 68 case media::EmeInitDataType::WEBM: | |
| 69 case media::EmeInitDataType::KEYIDS: | |
| 70 return true; | |
| 71 | |
| 72 case media::EmeInitDataType::CENC: | |
| 73 #if defined(USE_PROPRIETARY_CODECS) | |
| 74 return true; | |
| 75 #else | |
| 76 return false; | |
| 77 #endif // defined(USE_PROPRIETARY_CODECS) | |
| 78 | |
| 79 case media::EmeInitDataType::UNKNOWN: | |
| 80 return false; | |
| 81 } | |
| 82 NOTREACHED(); | |
| 83 return false; | |
| 84 } | |
| 85 | |
| 86 SupportedCodecs GetSupportedCodecs() const override { | |
| 87 #if defined(USE_PROPRIETARY_CODECS) | |
| 88 return media::EME_CODEC_MP4_ALL | media::EME_CODEC_WEBM_ALL; | |
| 89 #else | |
| 90 return media::EME_CODEC_WEBM_ALL; | |
| 91 #endif | |
| 92 } | |
| 93 | |
| 94 media::EmeConfigRule GetRobustnessConfigRule( | |
| 95 media::EmeMediaType media_type, | |
| 96 const std::string& requested_robustness) const override { | |
| 97 return requested_robustness.empty() ? media::EmeConfigRule::SUPPORTED | |
| 98 : media::EmeConfigRule::NOT_SUPPORTED; | |
| 99 } | |
| 100 | |
| 101 // Persistent license sessions are faked. | |
| 102 media::EmeSessionTypeSupport GetPersistentLicenseSessionSupport() | |
| 103 const override { | |
| 104 return media::EmeSessionTypeSupport::SUPPORTED; | |
| 105 } | |
| 106 | |
| 107 media::EmeSessionTypeSupport GetPersistentReleaseMessageSessionSupport() | |
| 108 const override { | |
| 109 return media::EmeSessionTypeSupport::NOT_SUPPORTED; | |
| 110 } | |
| 111 | |
| 112 media::EmeFeatureSupport GetPersistentStateSupport() const override { | |
| 113 return media::EmeFeatureSupport::REQUESTABLE; | |
| 114 } | |
| 115 | |
| 116 media::EmeFeatureSupport GetDistinctiveIdentifierSupport() const override { | |
| 117 return media::EmeFeatureSupport::NOT_SUPPORTED; | |
| 118 } | |
| 119 | |
| 120 std::string GetPepperType() const override { | |
| 121 return kExternalClearKeyPepperType; | |
| 122 } | |
| 123 | |
| 124 private: | |
| 125 const std::string key_system_name_; | |
| 126 }; | |
| 127 | |
| 128 // External Clear Key (used for testing). | 56 // External Clear Key (used for testing). |
| 129 static void AddExternalClearKey( | 57 static void AddExternalClearKey( |
| 130 std::vector<std::unique_ptr<KeySystemProperties>>* concrete_key_systems) { | 58 std::vector<std::unique_ptr<KeySystemProperties>>* concrete_key_systems) { |
| 131 static const char kExternalClearKeyKeySystem[] = | 59 static const char kExternalClearKeyKeySystem[] = |
| 132 "org.chromium.externalclearkey"; | 60 "org.chromium.externalclearkey"; |
| 133 static const char kExternalClearKeyDecryptOnlyKeySystem[] = | 61 static const char kExternalClearKeyDecryptOnlyKeySystem[] = |
| 134 "org.chromium.externalclearkey.decryptonly"; | 62 "org.chromium.externalclearkey.decryptonly"; |
| 135 static const char kExternalClearKeyRenewalKeySystem[] = | 63 static const char kExternalClearKeyRenewalKeySystem[] = |
| 136 "org.chromium.externalclearkey.renewal"; | 64 "org.chromium.externalclearkey.renewal"; |
| 137 static const char kExternalClearKeyFileIOTestKeySystem[] = | 65 static const char kExternalClearKeyFileIOTestKeySystem[] = |
| 138 "org.chromium.externalclearkey.fileiotest"; | 66 "org.chromium.externalclearkey.fileiotest"; |
| 139 static const char kExternalClearKeyOutputProtectionTestKeySystem[] = | 67 static const char kExternalClearKeyOutputProtectionTestKeySystem[] = |
| 140 "org.chromium.externalclearkey.outputprotectiontest"; | 68 "org.chromium.externalclearkey.outputprotectiontest"; |
| 141 static const char kExternalClearKeyInitializeFailKeySystem[] = | 69 static const char kExternalClearKeyInitializeFailKeySystem[] = |
| 142 "org.chromium.externalclearkey.initializefail"; | 70 "org.chromium.externalclearkey.initializefail"; |
| 143 static const char kExternalClearKeyCrashKeySystem[] = | 71 static const char kExternalClearKeyCrashKeySystem[] = |
| 144 "org.chromium.externalclearkey.crash"; | 72 "org.chromium.externalclearkey.crash"; |
| 145 | 73 |
| 146 std::vector<base::string16> additional_param_names; | 74 std::vector<base::string16> additional_param_names; |
| 147 std::vector<base::string16> additional_param_values; | 75 std::vector<base::string16> additional_param_values; |
| 148 if (!IsPepperCdmAvailable(kExternalClearKeyPepperType, | 76 if (!IsPepperCdmAvailable(cdm::kExternalClearKeyPepperType, |
| 149 &additional_param_names, | 77 &additional_param_names, |
| 150 &additional_param_values)) { | 78 &additional_param_values)) { |
| 151 return; | 79 return; |
| 152 } | 80 } |
| 153 | 81 |
| 154 concrete_key_systems->emplace_back( | 82 concrete_key_systems->emplace_back( |
| 155 new ExternalClearKeyProperties(kExternalClearKeyKeySystem)); | 83 new cdm::ExternalClearKeyProperties(kExternalClearKeyKeySystem)); |
| 156 | 84 |
| 157 // Add support of decrypt-only mode in ClearKeyCdm. | 85 // Add support of decrypt-only mode in ClearKeyCdm. |
| 158 concrete_key_systems->emplace_back( | 86 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
| 159 new ExternalClearKeyProperties(kExternalClearKeyDecryptOnlyKeySystem)); | 87 kExternalClearKeyDecryptOnlyKeySystem)); |
| 160 | 88 |
| 161 // A key system that triggers renewal message in ClearKeyCdm. | 89 // A key system that triggers renewal message in ClearKeyCdm. |
| 162 concrete_key_systems->emplace_back( | 90 concrete_key_systems->emplace_back( |
| 163 new ExternalClearKeyProperties(kExternalClearKeyRenewalKeySystem)); | 91 new cdm::ExternalClearKeyProperties(kExternalClearKeyRenewalKeySystem)); |
| 164 | 92 |
| 165 // A key system that triggers the FileIO test in ClearKeyCdm. | 93 // A key system that triggers the FileIO test in ClearKeyCdm. |
| 166 concrete_key_systems->emplace_back( | 94 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
| 167 new ExternalClearKeyProperties(kExternalClearKeyFileIOTestKeySystem)); | 95 kExternalClearKeyFileIOTestKeySystem)); |
| 168 | 96 |
| 169 // A key system that triggers the output protection test in ClearKeyCdm. | 97 // A key system that triggers the output protection test in ClearKeyCdm. |
| 170 concrete_key_systems->emplace_back(new ExternalClearKeyProperties( | 98 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
| 171 kExternalClearKeyOutputProtectionTestKeySystem)); | 99 kExternalClearKeyOutputProtectionTestKeySystem)); |
| 172 | 100 |
| 173 // A key system that Chrome thinks is supported by ClearKeyCdm, but actually | 101 // A key system that Chrome thinks is supported by ClearKeyCdm, but actually |
| 174 // will be refused by ClearKeyCdm. This is to test the CDM initialization | 102 // will be refused by ClearKeyCdm. This is to test the CDM initialization |
| 175 // failure case. | 103 // failure case. |
| 176 concrete_key_systems->emplace_back( | 104 concrete_key_systems->emplace_back(new cdm::ExternalClearKeyProperties( |
| 177 new ExternalClearKeyProperties(kExternalClearKeyInitializeFailKeySystem)); | 105 kExternalClearKeyInitializeFailKeySystem)); |
| 178 | 106 |
| 179 // A key system that triggers a crash in ClearKeyCdm. | 107 // A key system that triggers a crash in ClearKeyCdm. |
| 180 concrete_key_systems->emplace_back( | 108 concrete_key_systems->emplace_back( |
| 181 new ExternalClearKeyProperties(kExternalClearKeyCrashKeySystem)); | 109 new cdm::ExternalClearKeyProperties(kExternalClearKeyCrashKeySystem)); |
| 182 } | 110 } |
| 183 | 111 |
| 184 #if defined(WIDEVINE_CDM_AVAILABLE) | 112 #if defined(WIDEVINE_CDM_AVAILABLE) |
| 185 // This function finds "codecs" and parses the value into the vector |codecs|. | 113 // This function finds "codecs" and parses the value into the vector |codecs|. |
| 186 // Converts the codec strings to UTF-8 since we only expect ASCII strings and | 114 // Converts the codec strings to UTF-8 since we only expect ASCII strings and |
| 187 // this simplifies the rest of the code in this file. | 115 // this simplifies the rest of the code in this file. |
| 188 void GetSupportedCodecsForPepperCdm( | 116 void GetSupportedCodecsForPepperCdm( |
| 189 const std::vector<base::string16>& additional_param_names, | 117 const std::vector<base::string16>& additional_param_names, |
| 190 const std::vector<base::string16>& additional_param_values, | 118 const std::vector<base::string16>& additional_param_values, |
| 191 std::vector<std::string>* codecs) { | 119 std::vector<std::string>* codecs) { |
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| 290 #if defined(WIDEVINE_CDM_AVAILABLE) | 218 #if defined(WIDEVINE_CDM_AVAILABLE) |
| 291 AddPepperBasedWidevine(key_systems_properties); | 219 AddPepperBasedWidevine(key_systems_properties); |
| 292 #endif // defined(WIDEVINE_CDM_AVAILABLE) | 220 #endif // defined(WIDEVINE_CDM_AVAILABLE) |
| 293 | 221 |
| 294 #endif // defined(ENABLE_PEPPER_CDMS) | 222 #endif // defined(ENABLE_PEPPER_CDMS) |
| 295 | 223 |
| 296 #if defined(OS_ANDROID) | 224 #if defined(OS_ANDROID) |
| 297 cdm::AddAndroidWidevine(key_systems_properties); | 225 cdm::AddAndroidWidevine(key_systems_properties); |
| 298 #endif // defined(OS_ANDROID) | 226 #endif // defined(OS_ANDROID) |
| 299 } | 227 } |
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