69 lines
2.6 KiB
Text
69 lines
2.6 KiB
Text
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.cas@1.0;
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import android.hardware.cas@1.0::ICas;
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import android.hardware.cas@1.0::ICasListener;
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import android.hardware.cas@1.0::IDescramblerBase;
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/**
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* IMediaCasService is the main entry point for interacting with a vendor's
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* cas HAL to create cas and descrambler plugin instances. A cas plugin instance
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* opens cas sessions which are used to obtain keys for a descrambler session,
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* which can in turn be used to descramble protected video content.
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*/
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interface IMediaCasService {
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/**
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* List all available CA systems on the device.
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*
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* @return descriptors an array of descriptors for the available CA systems.
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*/
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enumeratePlugins() generates (vec<HidlCasPluginDescriptor> descriptors);
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/**
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* Query if a certain CA system is supported on this device.
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*
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* @param CA_system_id the id of the CA system.
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* @return result whether the specified CA system is supported on this device.
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*/
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isSystemIdSupported(int32_t CA_system_id) generates (bool result);
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/**
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* Construct a new instance of a CasPlugin given a CA_system_id.
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*
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* @param CA_system_id the id of the CA system.
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* @param listener the event listener to receive events coming from the CasPlugin.
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* @return cas the newly created CasPlugin interface.
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*/
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createPlugin(int32_t CA_system_id, ICasListener listener) generates (ICas cas);
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/**
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* Query if the descrambling scheme for a CA system is supported on this device.
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*
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* @param CA_system_id the id of the CA system.
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* @return result whether the specified descrambling scheme is supported on this device.
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*/
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isDescramblerSupported(int32_t CA_system_id) generates (bool result);
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/**
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* Construct a new instance of a DescramblerPlugin given a CA_system_id.
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*
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* @param CA_system_id the id of the CA system.
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* @return descrambler the newly created plugin interface.
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*/
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createDescrambler(int32_t CA_system_id) generates (IDescramblerBase descrambler);
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};
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