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 #ifndef CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_ 6 #define CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/memory/scoped_ptr.h" 12 #include "content/common/content_export.h" 13 14 namespace blink { 15 class WebString; 16 } 17 18 namespace content { 19 20 // Returns whether |key_system| is a real supported key system that can be 21 // instantiated. 22 // Abstract parent |key_system| strings will return false. 23 // Call IsSupportedKeySystemWithMediaMimeType() to determine whether a 24 // |key_system| supports a specific type of media or to check parent key 25 // systems. 26 CONTENT_EXPORT bool IsConcreteSupportedKeySystem( 27 const blink::WebString& key_system); 28 29 // Returns whether |key_sytem| supports the specified media type and codec(s). 30 CONTENT_EXPORT bool IsSupportedKeySystemWithMediaMimeType( 31 const std::string& mime_type, 32 const std::vector<std::string>& codecs, 33 const std::string& key_system); 34 35 // Returns a name for |key_system| suitable to UMA logging. 36 CONTENT_EXPORT std::string KeySystemNameForUMA( 37 const blink::WebString& key_system); 38 CONTENT_EXPORT std::string KeySystemNameForUMA(const std::string& key_system); 39 40 // Returns whether AesDecryptor can be used for the given |concrete_key_system|. 41 CONTENT_EXPORT bool CanUseAesDecryptor(const std::string& concrete_key_system); 42 43 #if defined(ENABLE_PEPPER_CDMS) 44 // Returns the Pepper MIME type for |concrete_key_system|. 45 // Returns empty string if |concrete_key_system| is unknown or not Pepper-based. 46 CONTENT_EXPORT std::string GetPepperType( 47 const std::string& concrete_key_system); 48 #elif defined(OS_ANDROID) 49 // Convert |concrete_key_system| to 16-byte Android UUID. 50 CONTENT_EXPORT std::vector<uint8> GetUUID( 51 const std::string& concrete_key_system); 52 #endif 53 54 } // namespace content 55 56 #endif // CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_ 57
