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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_
#define CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_
#include <string>
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "content/common/content_export.h"
namespace WebKit {
class WebString;
}
namespace content {
// Returns whether |key_system| is a real supported key system that can be
// instantiated.
// Abstract parent |key_system| strings will return false.
// Call IsSupportedKeySystemWithMediaMimeType() to determine whether a
// |key_system| supports a specific type of media or to check parent key
// systems.
CONTENT_EXPORT bool IsConcreteSupportedKeySystem(
const WebKit::WebString& key_system);
// Returns whether |key_sytem| supports the specified media type and codec(s).
CONTENT_EXPORT bool IsSupportedKeySystemWithMediaMimeType(
const std::string& mime_type,
const std::vector<std::string>& codecs,
const std::string& key_system);
// Returns a name for |key_system| suitable to UMA logging.
CONTENT_EXPORT std::string KeySystemNameForUMA(
const WebKit::WebString& key_system);
// Returns whether AesDecryptor can be used for the given |concrete_key_system|.
CONTENT_EXPORT bool CanUseAesDecryptor(const std::string& concrete_key_system);
#if defined(ENABLE_PEPPER_CDMS)
// Returns the Pepper MIME type for |concrete_key_system|.
// Returns empty string if |concrete_key_system| is unknown or not Pepper-based.
CONTENT_EXPORT std::string GetPepperType(
const std::string& concrete_key_system);
#elif defined(OS_ANDROID)
// Convert |concrete_key_system| to 16-byte Android UUID.
CONTENT_EXPORT std::vector<uint8> GetUUID(
const std::string& concrete_key_system);
#endif
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_CRYPTO_KEY_SYSTEMS_H_
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