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95 lines
2.7 KiB
95 lines
2.7 KiB
/*
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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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/**
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* This is test support for AAudio.
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*/
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#ifndef AAUDIO_AAUDIO_TESTING_H
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#define AAUDIO_AAUDIO_TESTING_H
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#include <aaudio/AAudio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/************************************************************************************
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* The definitions below are only for testing. Do not use them in an application.
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* They may change or be removed at any time.
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************************************************************************************/
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enum {
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/**
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* Related feature is disabled and never used.
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*/
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AAUDIO_POLICY_NEVER = 1,
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/**
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* If related feature works then use it. Otherwise fall back to something else.
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*/
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AAUDIO_POLICY_AUTO,
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/**
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* Related feature must be used. If not available then fail.
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*/
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AAUDIO_POLICY_ALWAYS
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};
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typedef int32_t aaudio_policy_t;
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/**
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* Control whether AAudioStreamBuilder_openStream() will use the new MMAP data path
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* or the older "Legacy" data path.
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*
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* This will only affect the current process.
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*
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* If unspecified then the policy will be based on system properties or configuration.
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*
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* @note This is only for testing. Do not use this in an application.
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* It may change or be removed at any time.
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*
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* @param policy AAUDIO_UNSPECIFIED, AAUDIO_POLICY_NEVER, AAUDIO_POLICY_AUTO, or AAUDIO_POLICY_ALWAYS
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* @return AAUDIO_OK or a negative error
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*/
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AAUDIO_API aaudio_result_t AAudio_setMMapPolicy(aaudio_policy_t policy);
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/**
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* Get the current MMAP policy set by AAudio_setMMapPolicy().
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*
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* @note This is only for testing. Do not use this in an application.
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* It may change or be removed at any time.
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*
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* @return current policy
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*/
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AAUDIO_API aaudio_policy_t AAudio_getMMapPolicy();
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/**
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* Return true if the stream uses the MMAP data path versus the legacy path.
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*
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* @note This is only for testing. Do not use this in an application.
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* It may change or be removed at any time.
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*
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* @return true if the stream uses ther MMAP data path
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*/
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AAUDIO_API bool AAudioStream_isMMapUsed(AAudioStream* stream);
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#ifdef __cplusplus
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}
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#endif
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#endif //AAUDIO_AAUDIO_TESTING_H
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/** @} */
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