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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 MEDIA_BASE_KEY_SYSTEM_INFO_H_
#define MEDIA_BASE_KEY_SYSTEM_INFO_H_
#include <string>
#include "build/build_config.h"
#include "media/base/eme_constants.h"
#include "media/base/media_export.h"
// Definitions:
// * Key system
// https://dvcs.w3.org/hg/html-media/raw-file/default/encrypted-media/encrypted-media.html#key-system
// * Concrete key system
// A key system string that can be instantiated, such as
// via the MediaKeys constructor. Examples include "org.w3.clearkey" and
// "com.widevine.alpha".
// * Abstract key system
// A key system string that cannot be instantiated like a concrete key system
// but is otherwise useful, such as in discovery using isTypeSupported().
namespace media {
// Contains information about an EME key system as well as how to instantiate
// the corresponding CDM.
struct MEDIA_EXPORT KeySystemInfo {
KeySystemInfo();
~KeySystemInfo();
std::string key_system;
InitDataTypeMask supported_init_data_types = kInitDataTypeMaskNone;
SupportedCodecs supported_codecs = EME_CODEC_NONE;
#if defined(OS_ANDROID)
SupportedCodecs supported_secure_codecs = EME_CODEC_NONE;
#endif // defined(OS_ANDROID)
EmeRobustness max_audio_robustness = EmeRobustness::INVALID;
EmeRobustness max_video_robustness = EmeRobustness::INVALID;
EmeSessionTypeSupport persistent_license_support =
EmeSessionTypeSupport::INVALID;
EmeSessionTypeSupport persistent_release_message_support =
EmeSessionTypeSupport::INVALID;
EmeFeatureSupport persistent_state_support = EmeFeatureSupport::INVALID;
EmeFeatureSupport distinctive_identifier_support = EmeFeatureSupport::INVALID;
// The following indicate how the corresponding CDM should be instantiated.
bool use_aes_decryptor = false;
#if defined(ENABLE_PEPPER_CDMS)
std::string pepper_type;
#endif
};
} // namespace media
#endif // MEDIA_BASE_KEY_SYSTEM_INFO_H_
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