le_audio/packages/apps/Bluetooth/jni/com_android_bluetooth_pacs_client.cpp - platform/system/bt - Git at Google

 /*
  * Copyright (c) 2020, The Linux Foundation. All rights reserved.

  * Copyright 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
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #define LOG_TAG "BluetoothPacsClienServiceJni"

 #define LOG_NDEBUG 0

 #include "android_runtime/AndroidRuntime.h"
 #include "base/logging.h"
 #include "com_android_bluetooth.h"
 #include "hardware/bt_pacs_client.h"

 #include <string.h>
 #include <shared_mutex>

 using bluetooth::bap::pacs::ConnectionState;
 using bluetooth::bap::pacs::PacsClientInterface;
 using bluetooth::bap::pacs::PacsClientCallbacks;

 namespace android {

 static jmethodID method_OnInitialized;
 static jmethodID method_onConnectionStateChanged;
 static jmethodID method_OnAudioContextAvailable;
 static jmethodID method_onServiceDiscovery;

 static struct {
    jclass clazz;
    jmethodID constructor;
    jmethodID getCodecType;
    jmethodID getCodecPriority;
    jmethodID getSampleRate;
    jmethodID getBitsPerSample;
    jmethodID getChannelMode;
    jmethodID getCodecSpecific1;
    jmethodID getCodecSpecific2;
    jmethodID getCodecSpecific3;
    jmethodID getCodecSpecific4;
 } android_bluetooth_pacs_record;

 static PacsClientInterface* sPacsClientInterface = nullptr;
 static std::shared_timed_mutex interface_mutex;

 static jobject mCallbacksObj = nullptr;
 static std::shared_timed_mutex callbacks_mutex;

 class PacsClientCallbacksImpl : public PacsClientCallbacks {
  public:
   ~PacsClientCallbacksImpl() = default;
   void OnInitialized(int status,
                      int client_id) override {
     LOG(INFO) << __func__;

     std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
     CallbackEnv sCallbackEnv(__func__);
     if (!sCallbackEnv.valid() || mCallbacksObj == nullptr) return;

     sCallbackEnv->CallVoidMethod(mCallbacksObj, method_OnInitialized,
                                  (jint)status, (jint)client_id);
   }

   void OnConnectionState(const RawAddress& bd_addr,
                          ConnectionState state) override {
     LOG(INFO) << __func__;

     std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
     CallbackEnv sCallbackEnv(__func__);
     if (!sCallbackEnv.valid() || mCallbacksObj == nullptr) return;

     ScopedLocalRef<jbyteArray> addr(
         sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
     if (!addr.get()) {
       LOG(ERROR) << "Failed to new jbyteArray bd addr for connection state";
       return;
     }

     sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
                                      (jbyte*)&bd_addr);
     sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onConnectionStateChanged,
                                  addr.get(), (jint)state);
   }

   void OnAudioContextAvailable(const RawAddress& bd_addr,
                         uint32_t available_contexts) override {
     LOG(INFO) << __func__;

     std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
     CallbackEnv sCallbackEnv(__func__);
     if (!sCallbackEnv.valid() || mCallbacksObj == nullptr) return;

     ScopedLocalRef<jbyteArray> addr(
         sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
     if (!addr.get()) {
       LOG(ERROR) << "Failed to new jbyteArray bd addr for available audio context";
       return;
     }

     sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
                                      (jbyte*)&bd_addr);
     sCallbackEnv->CallVoidMethod(mCallbacksObj, method_OnAudioContextAvailable,
                                  addr.get(), (jint)available_contexts);
   }

    void OnSearchComplete(int status, const RawAddress& address,
                          std::vector<bluetooth::bap::pacs::CodecConfig> sink_pac_records,
                          std::vector<bluetooth::bap::pacs::CodecConfig> src_pac_records,
                          uint32_t sink_locations,
                          uint32_t src_locations,
                          uint32_t available_contexts,
                          uint32_t supported_contexts) override {

     LOG(INFO) << __func__;

     std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
     CallbackEnv sCallbackEnv(__func__);
     if (!sCallbackEnv.valid() || mCallbacksObj == nullptr) return;


     jsize i = 0;
     jobjectArray sink_pac_records_array = sCallbackEnv->NewObjectArray(
         (jsize)sink_pac_records.size(),
         android_bluetooth_pacs_record.clazz, nullptr);
     for (auto const& cap : sink_pac_records) {
       jobject capObj = sCallbackEnv->NewObject(
           android_bluetooth_pacs_record.clazz,
           android_bluetooth_pacs_record.constructor,
           (jint)cap.codec_type, (jint)cap.codec_priority, (jint)cap.sample_rate,
           (jint)cap.bits_per_sample, (jint)cap.channel_mode,
           (jlong)cap.codec_specific_1, (jlong)cap.codec_specific_2,
           (jlong)cap.codec_specific_3, (jlong)cap.codec_specific_4);
       sCallbackEnv->SetObjectArrayElement(sink_pac_records_array, i++, capObj);
       sCallbackEnv->DeleteLocalRef(capObj);
     }

     i = 0;
     jobjectArray src_pac_records_array = sCallbackEnv->NewObjectArray(
         (jsize)src_pac_records.size(),
         android_bluetooth_pacs_record.clazz, nullptr);
     for (auto const& cap : src_pac_records) {
       jobject capObj = sCallbackEnv->NewObject(
           android_bluetooth_pacs_record.clazz,
           android_bluetooth_pacs_record.constructor,
           (jint)cap.codec_type, (jint)cap.codec_priority, (jint)cap.sample_rate,
           (jint)cap.bits_per_sample, (jint)cap.channel_mode,
           (jlong)cap.codec_specific_1, (jlong)cap.codec_specific_2,
           (jlong)cap.codec_specific_3, (jlong)cap.codec_specific_4);
       sCallbackEnv->SetObjectArrayElement(src_pac_records_array, i++,
                                           capObj);
       sCallbackEnv->DeleteLocalRef(capObj);
     }

     ScopedLocalRef<jbyteArray> addr(
         sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
     if (!addr.get()) {
       LOG(ERROR) << "Failed to new jbyteArray bd addr";
       return;
     }

     sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
                                      (jbyte*)&address);
     sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onServiceDiscovery,
                                  sink_pac_records_array, src_pac_records_array, (jint)sink_locations,
                                  (jint)src_locations, (jint)available_contexts, (jint)supported_contexts,
                                  (jint)status, addr.get());
   }
 };

 static PacsClientCallbacksImpl sPacsClientCallbacks;

 static void classInitNative(JNIEnv* env, jclass clazz) {

   jclass jniBluetoothCodecConfigClass =
       env->FindClass("android/bluetooth/BluetoothCodecConfig");
   android_bluetooth_pacs_record.constructor =
       env->GetMethodID(jniBluetoothCodecConfigClass, "<init>", "(IIIIIJJJJ)V");
   android_bluetooth_pacs_record.getCodecType =
       env->GetMethodID(jniBluetoothCodecConfigClass, "getCodecType", "()I");
   android_bluetooth_pacs_record.getCodecPriority =
       env->GetMethodID(jniBluetoothCodecConfigClass, "getCodecPriority", "()I");
   android_bluetooth_pacs_record.getSampleRate =
       env->GetMethodID(jniBluetoothCodecConfigClass, "getSampleRate", "()I");
   android_bluetooth_pacs_record.getBitsPerSample =
       env->GetMethodID(jniBluetoothCodecConfigClass, "getBitsPerSample", "()I");
   android_bluetooth_pacs_record.getChannelMode =
       env->GetMethodID(jniBluetoothCodecConfigClass, "getChannelMode", "()I");
   android_bluetooth_pacs_record.getCodecSpecific1 = env->GetMethodID(
       jniBluetoothCodecConfigClass, "getCodecSpecific1", "()J");
   android_bluetooth_pacs_record.getCodecSpecific2 = env->GetMethodID(
       jniBluetoothCodecConfigClass, "getCodecSpecific2", "()J");
   android_bluetooth_pacs_record.getCodecSpecific3 = env->GetMethodID(
       jniBluetoothCodecConfigClass, "getCodecSpecific3", "()J");
   android_bluetooth_pacs_record.getCodecSpecific4 = env->GetMethodID(
       jniBluetoothCodecConfigClass, "getCodecSpecific4", "()J");

   method_OnInitialized =
       env->GetMethodID(clazz, "OnInitialized", "(II)V");

   method_onConnectionStateChanged =
       env->GetMethodID(clazz, "onConnectionStateChanged", "([BI)V");

   method_OnAudioContextAvailable =
       env->GetMethodID(clazz, "OnAudioContextAvailable", "([BI)V");

   method_onServiceDiscovery =
       env->GetMethodID(clazz, "onServiceDiscovery", "([Landroid/bluetooth/BluetoothCodecConfig;"
                                                     "[Landroid/bluetooth/BluetoothCodecConfig;"
                                                     "IIIII[B)V");

   LOG(INFO) << __func__ << ": succeeds";
 }

 static void initNative(JNIEnv* env, jobject object) {
   std::unique_lock<std::shared_timed_mutex> interface_lock(interface_mutex);
   std::unique_lock<std::shared_timed_mutex> callbacks_lock(callbacks_mutex);

   const bt_interface_t* btInf = getBluetoothInterface();
   if (btInf == nullptr) {
     LOG(ERROR) << "Bluetooth module is not loaded";
     return;
   }

   if (sPacsClientInterface != nullptr) {
     LOG(INFO) << "Cleaning up PacsClient Interface before initializing...";
     sPacsClientInterface->Cleanup(0);
     sPacsClientInterface = nullptr;
   }

   if (mCallbacksObj != nullptr) {
     LOG(INFO) << "Cleaning up PacsClient callback object";
     env->DeleteGlobalRef(mCallbacksObj);
     mCallbacksObj = nullptr;
   }

   if ((mCallbacksObj = env->NewGlobalRef(object)) == nullptr) {
     LOG(ERROR) << "Failed to allocate Global Ref for pacs client Callbacks";
     return;
   }

   android_bluetooth_pacs_record.clazz = (jclass)env->NewGlobalRef(
       env->FindClass("android/bluetooth/BluetoothCodecConfig"));
   if (android_bluetooth_pacs_record.clazz == nullptr) {
     ALOGE("%s: Failed to allocate Global Ref for BluetoothCodecConfig class",
           __func__);
     return;
   }

   sPacsClientInterface = (PacsClientInterface*)btInf->get_profile_interface(
       BT_PROFILE_PACS_CLIENT_ID);
   if (sPacsClientInterface == nullptr) {
     LOG(ERROR) << "Failed to get Bluetooth pacs client Interface";
     return;
   }

   sPacsClientInterface->Init(&sPacsClientCallbacks);
 }

 static void cleanupNative(JNIEnv* env, jobject object, jint client_id) {
   std::unique_lock<std::shared_timed_mutex> interface_lock(interface_mutex);
   std::unique_lock<std::shared_timed_mutex> callbacks_lock(callbacks_mutex);

   const bt_interface_t* btInf = getBluetoothInterface();
   if (btInf == nullptr) {
     LOG(ERROR) << "Bluetooth module is not loaded";
     return;
   }

   if (sPacsClientInterface != nullptr) {
     sPacsClientInterface->Cleanup(client_id);
     sPacsClientInterface = nullptr;
   }

   if (mCallbacksObj != nullptr) {
     env->DeleteGlobalRef(mCallbacksObj);
     mCallbacksObj = nullptr;
   }
   env->DeleteGlobalRef(android_bluetooth_pacs_record.clazz);
   android_bluetooth_pacs_record.clazz = nullptr;
 }

 static jboolean connectPacsClientNative(JNIEnv* env, jobject object,
                                         jint client_id, jbyteArray address) {
   LOG(INFO) << __func__;
   std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
   if (!sPacsClientInterface) return JNI_FALSE;

   jbyte* addr = env->GetByteArrayElements(address, nullptr);
   if (!addr) {
     jniThrowIOException(env, EINVAL);
     return JNI_FALSE;
   }

   RawAddress* tmpraw = (RawAddress*)addr;
   sPacsClientInterface->Connect(client_id, *tmpraw);
   env->ReleaseByteArrayElements(address, addr, 0);
   return JNI_TRUE;
 }

 static jboolean disconnectPacsClientNative(JNIEnv* env, jobject object,
                                            jint client_id, jbyteArray address) {
   LOG(INFO) << __func__;
   std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
   if (!sPacsClientInterface) return JNI_FALSE;

   jbyte* addr = env->GetByteArrayElements(address, nullptr);
   if (!addr) {
     jniThrowIOException(env, EINVAL);
     return JNI_FALSE;
   }

   RawAddress* tmpraw = (RawAddress*)addr;
   sPacsClientInterface->Disconnect(client_id, *tmpraw);
   env->ReleaseByteArrayElements(address, addr, 0);
   return JNI_TRUE;
 }

 static jboolean startDiscoveryNative(JNIEnv* env, jobject object,
                                      jint client_id, jbyteArray address) {
   std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
   if (!sPacsClientInterface) return JNI_FALSE;
   jbyte* addr = env->GetByteArrayElements(address, nullptr);
   if (!addr) {
     jniThrowIOException(env, EINVAL);
     return JNI_FALSE;
   }

   RawAddress* tmpraw = (RawAddress*)addr;
   sPacsClientInterface->StartDiscovery(client_id, *tmpraw);
   env->ReleaseByteArrayElements(address, addr, 0);
   return JNI_TRUE;
 }

 static void GetAvailableAudioContextsNative(JNIEnv* env, jobject object,
                                       jint client_id, jbyteArray address) {
   std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
   if (!sPacsClientInterface) return;
   jbyte* addr = env->GetByteArrayElements(address, nullptr);
   if (!addr) {
     jniThrowIOException(env, EINVAL);
     return;
   }

   RawAddress* tmpraw = (RawAddress*)addr;
   sPacsClientInterface->GetAvailableAudioContexts(client_id, *tmpraw);
   env->ReleaseByteArrayElements(address, addr, 0);
 }


 static JNINativeMethod sMethods[] = {
     {"classInitNative", "()V", (void*)classInitNative},
     {"initNative", "()V", (void*)initNative},
     {"cleanupNative", "(I)V", (void*)cleanupNative},
     {"connectPacsClientNative", "(I[B)Z", (void*)connectPacsClientNative},
     {"disconnectPacsClientNative", "(I[B)Z", (void*)disconnectPacsClientNative},
     {"startDiscoveryNative", "(I[B)Z", (void*)startDiscoveryNative},
     {"GetAvailableAudioContextsNative", "(I[B)Z", (void*)GetAvailableAudioContextsNative},
 };

 int register_com_android_bluetooth_pacs_client(JNIEnv* env) {
   return jniRegisterNativeMethods(
       env, "com/android/bluetooth/pc/PacsClientNativeInterface",
       sMethods, NELEM(sMethods));
 }
 }  // namespace android
	/*
	* Copyright (c) 2020, The Linux Foundation. All rights reserved.

	* Copyright 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
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#define LOG_TAG "BluetoothPacsClienServiceJni"

	#define LOG_NDEBUG 0

	#include "android_runtime/AndroidRuntime.h"
	#include "base/logging.h"
	#include "com_android_bluetooth.h"
	#include "hardware/bt_pacs_client.h"

	#include <string.h>
	#include <shared_mutex>

	using bluetooth::bap::pacs::ConnectionState;
	using bluetooth::bap::pacs::PacsClientInterface;
	using bluetooth::bap::pacs::PacsClientCallbacks;

	namespace android {

	static jmethodID method_OnInitialized;
	static jmethodID method_onConnectionStateChanged;
	static jmethodID method_OnAudioContextAvailable;
	static jmethodID method_onServiceDiscovery;

	static struct {
	jclass clazz;
	jmethodID constructor;
	jmethodID getCodecType;
	jmethodID getCodecPriority;
	jmethodID getSampleRate;
	jmethodID getBitsPerSample;
	jmethodID getChannelMode;
	jmethodID getCodecSpecific1;
	jmethodID getCodecSpecific2;
	jmethodID getCodecSpecific3;
	jmethodID getCodecSpecific4;
	} android_bluetooth_pacs_record;

	static PacsClientInterface* sPacsClientInterface = nullptr;
	static std::shared_timed_mutex interface_mutex;

	static jobject mCallbacksObj = nullptr;
	static std::shared_timed_mutex callbacks_mutex;

	class PacsClientCallbacksImpl : public PacsClientCallbacks {
	public:
	~PacsClientCallbacksImpl() = default;
	void OnInitialized(int status,
	int client_id) override {
	LOG(INFO) << __func__;

	std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
	CallbackEnv sCallbackEnv(__func__);
	if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;

	sCallbackEnv->CallVoidMethod(mCallbacksObj, method_OnInitialized,
	(jint)status, (jint)client_id);
	}

	void OnConnectionState(const RawAddress& bd_addr,
	ConnectionState state) override {
	LOG(INFO) << __func__;

	std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
	CallbackEnv sCallbackEnv(__func__);
	if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;

	ScopedLocalRef<jbyteArray> addr(
	sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
	if (!addr.get()) {
	LOG(ERROR) << "Failed to new jbyteArray bd addr for connection state";
	return;
	}

	sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
	(jbyte*)&bd_addr);
	sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onConnectionStateChanged,
	addr.get(), (jint)state);
	}

	void OnAudioContextAvailable(const RawAddress& bd_addr,
	uint32_t available_contexts) override {
	LOG(INFO) << __func__;

	std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
	CallbackEnv sCallbackEnv(__func__);
	if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;

	ScopedLocalRef<jbyteArray> addr(
	sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
	if (!addr.get()) {
	LOG(ERROR) << "Failed to new jbyteArray bd addr for available audio context";
	return;
	}

	sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
	(jbyte*)&bd_addr);
	sCallbackEnv->CallVoidMethod(mCallbacksObj, method_OnAudioContextAvailable,
	addr.get(), (jint)available_contexts);
	}

	void OnSearchComplete(int status, const RawAddress& address,
	std::vector<bluetooth::bap::pacs::CodecConfig> sink_pac_records,
	std::vector<bluetooth::bap::pacs::CodecConfig> src_pac_records,
	uint32_t sink_locations,
	uint32_t src_locations,
	uint32_t available_contexts,
	uint32_t supported_contexts) override {

	LOG(INFO) << __func__;

	std::shared_lock<std::shared_timed_mutex> lock(callbacks_mutex);
	CallbackEnv sCallbackEnv(__func__);
	if (!sCallbackEnv.valid() \|\| mCallbacksObj == nullptr) return;


	jsize i = 0;
	jobjectArray sink_pac_records_array = sCallbackEnv->NewObjectArray(
	(jsize)sink_pac_records.size(),
	android_bluetooth_pacs_record.clazz, nullptr);
	for (auto const& cap : sink_pac_records) {
	jobject capObj = sCallbackEnv->NewObject(
	android_bluetooth_pacs_record.clazz,
	android_bluetooth_pacs_record.constructor,
	(jint)cap.codec_type, (jint)cap.codec_priority, (jint)cap.sample_rate,
	(jint)cap.bits_per_sample, (jint)cap.channel_mode,
	(jlong)cap.codec_specific_1, (jlong)cap.codec_specific_2,
	(jlong)cap.codec_specific_3, (jlong)cap.codec_specific_4);
	sCallbackEnv->SetObjectArrayElement(sink_pac_records_array, i++, capObj);
	sCallbackEnv->DeleteLocalRef(capObj);
	}

	i = 0;
	jobjectArray src_pac_records_array = sCallbackEnv->NewObjectArray(
	(jsize)src_pac_records.size(),
	android_bluetooth_pacs_record.clazz, nullptr);
	for (auto const& cap : src_pac_records) {
	jobject capObj = sCallbackEnv->NewObject(
	android_bluetooth_pacs_record.clazz,
	android_bluetooth_pacs_record.constructor,
	(jint)cap.codec_type, (jint)cap.codec_priority, (jint)cap.sample_rate,
	(jint)cap.bits_per_sample, (jint)cap.channel_mode,
	(jlong)cap.codec_specific_1, (jlong)cap.codec_specific_2,
	(jlong)cap.codec_specific_3, (jlong)cap.codec_specific_4);
	sCallbackEnv->SetObjectArrayElement(src_pac_records_array, i++,
	capObj);
	sCallbackEnv->DeleteLocalRef(capObj);
	}

	ScopedLocalRef<jbyteArray> addr(
	sCallbackEnv.get(), sCallbackEnv->NewByteArray(sizeof(RawAddress)));
	if (!addr.get()) {
	LOG(ERROR) << "Failed to new jbyteArray bd addr";
	return;
	}

	sCallbackEnv->SetByteArrayRegion(addr.get(), 0, sizeof(RawAddress),
	(jbyte*)&address);
	sCallbackEnv->CallVoidMethod(mCallbacksObj, method_onServiceDiscovery,
	sink_pac_records_array, src_pac_records_array, (jint)sink_locations,
	(jint)src_locations, (jint)available_contexts, (jint)supported_contexts,
	(jint)status, addr.get());
	}
	};

	static PacsClientCallbacksImpl sPacsClientCallbacks;

	static void classInitNative(JNIEnv* env, jclass clazz) {

	jclass jniBluetoothCodecConfigClass =
	env->FindClass("android/bluetooth/BluetoothCodecConfig");
	android_bluetooth_pacs_record.constructor =
	env->GetMethodID(jniBluetoothCodecConfigClass, "<init>", "(IIIIIJJJJ)V");
	android_bluetooth_pacs_record.getCodecType =
	env->GetMethodID(jniBluetoothCodecConfigClass, "getCodecType", "()I");
	android_bluetooth_pacs_record.getCodecPriority =
	env->GetMethodID(jniBluetoothCodecConfigClass, "getCodecPriority", "()I");
	android_bluetooth_pacs_record.getSampleRate =
	env->GetMethodID(jniBluetoothCodecConfigClass, "getSampleRate", "()I");
	android_bluetooth_pacs_record.getBitsPerSample =
	env->GetMethodID(jniBluetoothCodecConfigClass, "getBitsPerSample", "()I");
	android_bluetooth_pacs_record.getChannelMode =
	env->GetMethodID(jniBluetoothCodecConfigClass, "getChannelMode", "()I");
	android_bluetooth_pacs_record.getCodecSpecific1 = env->GetMethodID(
	jniBluetoothCodecConfigClass, "getCodecSpecific1", "()J");
	android_bluetooth_pacs_record.getCodecSpecific2 = env->GetMethodID(
	jniBluetoothCodecConfigClass, "getCodecSpecific2", "()J");
	android_bluetooth_pacs_record.getCodecSpecific3 = env->GetMethodID(
	jniBluetoothCodecConfigClass, "getCodecSpecific3", "()J");
	android_bluetooth_pacs_record.getCodecSpecific4 = env->GetMethodID(
	jniBluetoothCodecConfigClass, "getCodecSpecific4", "()J");

	method_OnInitialized =
	env->GetMethodID(clazz, "OnInitialized", "(II)V");

	method_onConnectionStateChanged =
	env->GetMethodID(clazz, "onConnectionStateChanged", "([BI)V");

	method_OnAudioContextAvailable =
	env->GetMethodID(clazz, "OnAudioContextAvailable", "([BI)V");

	method_onServiceDiscovery =
	env->GetMethodID(clazz, "onServiceDiscovery", "([Landroid/bluetooth/BluetoothCodecConfig;"
	"[Landroid/bluetooth/BluetoothCodecConfig;"
	"IIIII[B)V");

	LOG(INFO) << __func__ << ": succeeds";
	}

	static void initNative(JNIEnv* env, jobject object) {
	std::unique_lock<std::shared_timed_mutex> interface_lock(interface_mutex);
	std::unique_lock<std::shared_timed_mutex> callbacks_lock(callbacks_mutex);

	const bt_interface_t* btInf = getBluetoothInterface();
	if (btInf == nullptr) {
	LOG(ERROR) << "Bluetooth module is not loaded";
	return;
	}

	if (sPacsClientInterface != nullptr) {
	LOG(INFO) << "Cleaning up PacsClient Interface before initializing...";
	sPacsClientInterface->Cleanup(0);
	sPacsClientInterface = nullptr;
	}

	if (mCallbacksObj != nullptr) {
	LOG(INFO) << "Cleaning up PacsClient callback object";
	env->DeleteGlobalRef(mCallbacksObj);
	mCallbacksObj = nullptr;
	}

	if ((mCallbacksObj = env->NewGlobalRef(object)) == nullptr) {
	LOG(ERROR) << "Failed to allocate Global Ref for pacs client Callbacks";
	return;
	}

	android_bluetooth_pacs_record.clazz = (jclass)env->NewGlobalRef(
	env->FindClass("android/bluetooth/BluetoothCodecConfig"));
	if (android_bluetooth_pacs_record.clazz == nullptr) {
	ALOGE("%s: Failed to allocate Global Ref for BluetoothCodecConfig class",
	__func__);
	return;
	}

	sPacsClientInterface = (PacsClientInterface*)btInf->get_profile_interface(
	BT_PROFILE_PACS_CLIENT_ID);
	if (sPacsClientInterface == nullptr) {
	LOG(ERROR) << "Failed to get Bluetooth pacs client Interface";
	return;
	}

	sPacsClientInterface->Init(&sPacsClientCallbacks);
	}

	static void cleanupNative(JNIEnv* env, jobject object, jint client_id) {
	std::unique_lock<std::shared_timed_mutex> interface_lock(interface_mutex);
	std::unique_lock<std::shared_timed_mutex> callbacks_lock(callbacks_mutex);

	const bt_interface_t* btInf = getBluetoothInterface();
	if (btInf == nullptr) {
	LOG(ERROR) << "Bluetooth module is not loaded";
	return;
	}

	if (sPacsClientInterface != nullptr) {
	sPacsClientInterface->Cleanup(client_id);
	sPacsClientInterface = nullptr;
	}

	if (mCallbacksObj != nullptr) {
	env->DeleteGlobalRef(mCallbacksObj);
	mCallbacksObj = nullptr;
	}
	env->DeleteGlobalRef(android_bluetooth_pacs_record.clazz);
	android_bluetooth_pacs_record.clazz = nullptr;
	}

	static jboolean connectPacsClientNative(JNIEnv* env, jobject object,
	jint client_id, jbyteArray address) {
	LOG(INFO) << __func__;
	std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
	if (!sPacsClientInterface) return JNI_FALSE;

	jbyte* addr = env->GetByteArrayElements(address, nullptr);
	if (!addr) {
	jniThrowIOException(env, EINVAL);
	return JNI_FALSE;
	}

	RawAddress* tmpraw = (RawAddress*)addr;
	sPacsClientInterface->Connect(client_id, *tmpraw);
	env->ReleaseByteArrayElements(address, addr, 0);
	return JNI_TRUE;
	}

	static jboolean disconnectPacsClientNative(JNIEnv* env, jobject object,
	jint client_id, jbyteArray address) {
	LOG(INFO) << __func__;
	std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
	if (!sPacsClientInterface) return JNI_FALSE;

	jbyte* addr = env->GetByteArrayElements(address, nullptr);
	if (!addr) {
	jniThrowIOException(env, EINVAL);
	return JNI_FALSE;
	}

	RawAddress* tmpraw = (RawAddress*)addr;
	sPacsClientInterface->Disconnect(client_id, *tmpraw);
	env->ReleaseByteArrayElements(address, addr, 0);
	return JNI_TRUE;
	}

	static jboolean startDiscoveryNative(JNIEnv* env, jobject object,
	jint client_id, jbyteArray address) {
	std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
	if (!sPacsClientInterface) return JNI_FALSE;
	jbyte* addr = env->GetByteArrayElements(address, nullptr);
	if (!addr) {
	jniThrowIOException(env, EINVAL);
	return JNI_FALSE;
	}

	RawAddress* tmpraw = (RawAddress*)addr;
	sPacsClientInterface->StartDiscovery(client_id, *tmpraw);
	env->ReleaseByteArrayElements(address, addr, 0);
	return JNI_TRUE;
	}

	static void GetAvailableAudioContextsNative(JNIEnv* env, jobject object,
	jint client_id, jbyteArray address) {
	std::shared_lock<std::shared_timed_mutex> lock(interface_mutex);
	if (!sPacsClientInterface) return;
	jbyte* addr = env->GetByteArrayElements(address, nullptr);
	if (!addr) {
	jniThrowIOException(env, EINVAL);
	return;
	}

	RawAddress* tmpraw = (RawAddress*)addr;
	sPacsClientInterface->GetAvailableAudioContexts(client_id, *tmpraw);
	env->ReleaseByteArrayElements(address, addr, 0);
	}


	static JNINativeMethod sMethods[] = {
	{"classInitNative", "()V", (void*)classInitNative},
	{"initNative", "()V", (void*)initNative},
	{"cleanupNative", "(I)V", (void*)cleanupNative},
	{"connectPacsClientNative", "(I[B)Z", (void*)connectPacsClientNative},
	{"disconnectPacsClientNative", "(I[B)Z", (void*)disconnectPacsClientNative},
	{"startDiscoveryNative", "(I[B)Z", (void*)startDiscoveryNative},
	{"GetAvailableAudioContextsNative", "(I[B)Z", (void*)GetAvailableAudioContextsNative},
	};

	int register_com_android_bluetooth_pacs_client(JNIEnv* env) {
	return jniRegisterNativeMethods(
	env, "com/android/bluetooth/pc/PacsClientNativeInterface",
	sMethods, NELEM(sMethods));
	}
	} // namespace android