services/audiopolicy/engineconfigurable/parameter-framework/examples/common/Structure/PolicySubsystem.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright (C) 2018 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

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     distributed under the License is distributed on an "AS IS" BASIS,
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     See the License for the specific language governing permissions and
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<Subsystem xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
           xmlns:xi="http://www.w3.org/2001/XInclude"
           xsi:noNamespaceSchemaLocation="Schemas/Subsystem.xsd"
           Name="policy" Type="Policy">

    <ComponentLibrary>
        <!--#################### GLOBAL COMPONENTS BEGIN ####################-->
        <!-- Common Types defintion -->
        <xi:include href="PolicySubsystem-CommonTypes.xml"/>
        <xi:include href="ProductStrategies.xml"/>


        <!--#################### GLOBAL COMPONENTS END ####################-->

        <!--#################### STREAM BEGIN ####################-->

        <ComponentType Name="Streams" Description="associated to audio_stream_type_t definition">
            <Component Name="voice_call" Type="Stream" Mapping="Name:AUDIO_STREAM_VOICE_CALL"/>
            <Component Name="system" Type="Stream" Mapping="Name:AUDIO_STREAM_SYSTEM"/>
            <Component Name="ring" Type="Stream" Mapping="Name:AUDIO_STREAM_RING"/>
            <Component Name="music" Type="Stream" Mapping="Name:AUDIO_STREAM_MUSIC"/>
            <Component Name="alarm" Type="Stream" Mapping="Name:AUDIO_STREAM_ALARM"/>
            <Component Name="notification" Type="Stream" Mapping="Name:AUDIO_STREAM_NOTIFICATION"/>
            <Component Name="bluetooth_sco" Type="Stream" Mapping="Name:AUDIO_STREAM_BLUETOOTH_SCO"/>
            <Component Name="enforced_audible" Type="Stream" Mapping="Name:AUDIO_STREAM_ENFORCED_AUDIBLE"
                       Description="Sounds that cannot be muted by user and must be routed to speaker"/>
            <Component Name="dtmf" Type="Stream" Mapping="Name:AUDIO_STREAM_DTMF"/>
            <Component Name="tts" Type="Stream" Mapping="Name:AUDIO_STREAM_TTS"
                             Description="Transmitted Through Speaker. Plays over speaker only, silent on other devices"/>
            <Component Name="accessibility" Type="Stream" Mapping="Name:AUDIO_STREAM_ACCESSIBILITY"
                             Description="For accessibility talk back prompts"/>
            <Component Name="assistant" Type="Stream" Mapping="Name:AUDIO_STREAM_ASSISTANT"
                             Description="used by a virtual assistant like Google Assistant, Bixby, etc."/>
            <Component Name="rerouting" Type="Stream" Mapping="Name:AUDIO_STREAM_REROUTING"
                             Description="For dynamic policy output mixes"/>
            <Component Name="patch" Type="Stream" Mapping="Name:AUDIO_STREAM_PATCH"
                             Description="For internal audio flinger tracks. Fixed volume"/>
        </ComponentType>

        <!--#################### STREAM END ####################-->

        <!--#################### INPUT SOURCE BEGIN ####################-->

        <ComponentType Name="InputSources" Description="associated to audio_source_t definition,
                             identifier mapping must match the value of the enum">
            <Component Name="default" Type="InputSource" Mapping="Name:AUDIO_SOURCE_DEFAULT"/>
            <Component Name="mic" Type="InputSource" Mapping="Name:AUDIO_SOURCE_MIC"/>
            <Component Name="voice_uplink" Type="InputSource"
                                           Mapping="Name:AUDIO_SOURCE_VOICE_UPLINK"/>
            <Component Name="voice_downlink" Type="InputSource"
                                             Mapping="Name:AUDIO_SOURCE_VOICE_DOWNLINK"/>
            <Component Name="voice_call" Type="InputSource"
                                         Mapping="Name:AUDIO_SOURCE_VOICE_CALL"/>
            <Component Name="camcorder" Type="InputSource" Mapping="Name:AUDIO_SOURCE_CAMCORDER"/>
            <Component Name="voice_recognition" Type="InputSource"
                                                Mapping="Name:AUDIO_SOURCE_VOICE_RECOGNITION"/>
            <Component Name="voice_communication" Type="InputSource"
                                                  Mapping="Name:AUDIO_SOURCE_VOICE_COMMUNICATION"/>
            <Component Name="remote_submix" Type="InputSource"
                                            Mapping="Name:AUDIO_SOURCE_REMOTE_SUBMIX"/>
            <Component Name="unprocessed" Type="InputSource"
                                            Mapping="Name:AUDIO_SOURCE_UNPROCESSED"/>
            <Component Name="voice_performance" Type="InputSource"
                                            Mapping="Name:AUDIO_SOURCE_VOICE_PERFORMANCE"/>
            <Component Name="echo_reference" Type="InputSource"
                                            Mapping="Name:AUDIO_SOURCE_ECHO_REFERENCE"/>
            <Component Name="fm_tuner" Type="InputSource" Mapping="Name:AUDIO_SOURCE_FM_TUNER"/>
            <Component Name="hotword" Type="InputSource" Mapping="Name:AUDIO_SOURCE_HOTWORD"/>
        </ComponentType>
        <!--#################### INPUT SOURCE END ####################-->
    </ComponentLibrary>

    <InstanceDefinition>
        <Component Name="streams" Type="Streams"/>
        <Component Name="input_sources" Type="InputSources"/>
        <Component Name="product_strategies" Type="ProductStrategies"/>
    </InstanceDefinition>
</Subsystem>