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@ -227,6 +227,8 @@ enum {
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};
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typedef int32_t aaudio_performance_mode_t;
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#define AAUDIO_SYSTEM_USAGE_OFFSET 1000
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/**
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* The USAGE attribute expresses "why" you are playing a sound, what is this sound used for.
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* This information is used by certain platforms or routing policies
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@ -297,7 +299,31 @@ enum {
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/**
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* Use this for audio responses to user queries, audio instructions or help utterances.
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*/
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AAUDIO_USAGE_ASSISTANT = 16
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AAUDIO_USAGE_ASSISTANT = 16,
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/**
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* Use this in case of playing sounds in an emergency.
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* Privileged MODIFY_AUDIO_ROUTING permission required.
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*/
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AAUDIO_SYSTEM_USAGE_EMERGENCY = AAUDIO_SYSTEM_USAGE_OFFSET,
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/**
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* Use this for safety sounds and alerts, for example backup camera obstacle detection.
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* Privileged MODIFY_AUDIO_ROUTING permission required.
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*/
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AAUDIO_SYSTEM_USAGE_SAFETY = AAUDIO_SYSTEM_USAGE_OFFSET + 1,
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/**
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* Use this for vehicle status alerts and information, for example the check engine light.
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* Privileged MODIFY_AUDIO_ROUTING permission required.
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*/
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AAUDIO_SYSTEM_USAGE_VEHICLE_STATUS = AAUDIO_SYSTEM_USAGE_OFFSET + 2,
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/**
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* Use this for traffic announcements, etc.
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* Privileged MODIFY_AUDIO_ROUTING permission required.
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*/
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AAUDIO_SYSTEM_USAGE_ANNOUNCEMENT = AAUDIO_SYSTEM_USAGE_OFFSET + 3,
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};
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typedef int32_t aaudio_usage_t;
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