/*
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* Copyright (c) 2010-2019 Belledonne Communications SARL.
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*
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* This file is part of mediastreamer2.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef android_utils_h
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#define android_utils_h
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#include <mediastreamer2/msfilter.h>
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#include <jni.h>
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enum _DeviceType{
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TELEPHONY,
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AUX_LINE,
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GENERIC_USB,
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HEADSET,
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MICROPHONE,
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EARPIECE,
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HEADPHONES,
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SPEAKER,
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BLUETOOTH,
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UNKNOWN
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};
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/**
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* Android device type enum.
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**/
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typedef enum _DeviceType DeviceType;
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/**
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* Retrieve preferred sample rate from Mediastreamer Android Context.
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**/
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int get_preferred_sample_rate();
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/**
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* Retrieve all devices in a given direction.
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* Valid values for string dir are "all" "output" "input"
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**/
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jobject get_all_devices(JNIEnv *env, const char * dir);
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/**
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* Retrieve device ID for the device deviceInfo.
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**/
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unsigned int get_device_id(JNIEnv *env, jobject deviceInfo);
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/**
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* Retrieve the value of a JV class field fieldName.
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**/
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int getJVIntField(JNIEnv *env, const char * className, const char * fieldName);
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/**
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* Retrieve device type for the device deviceInfo.
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**/
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DeviceType get_device_type(JNIEnv *env, jobject deviceInfo);
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/**
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* Retrieve device capabilities (recorder or playback) for the device deviceInfo.
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**/
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unsigned int get_device_capabilities(JNIEnv *env, jobject deviceInfo);
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/**
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* Retrieve product name for the device deviceInfo.
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**/
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char * get_device_product_name(JNIEnv *env, jobject deviceInfo);
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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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* Creates an AcousticEchoCanceler java object for the given session ID so the sound card uses the device's hardware echo canceller if available.
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* Currently only AndroidSound, AndroidSoundDepr and AAudio sound cards support it.
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**/
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MS2_PUBLIC jobject ms_android_enable_hardware_echo_canceller(JNIEnv *env, int sessionId);
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/**
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* Deletes the AcousticEchoCanceler created by ms_android_enable_hardware_echo_canceller.
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**/
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MS2_PUBLIC void ms_android_delete_hardware_echo_canceller(JNIEnv *env, jobject aec);
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#ifdef __cplusplus
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}
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#endif
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#endif // android_utils_h
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