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droidfang(房伟)
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init project
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‎.gitignore

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*.iml
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.gradle
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/local.properties
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/.idea/caches/build_file_checksums.ser
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild

‎README.md

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# AirplayServer
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Android server for Airplay2
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# 简介
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`Airplay2`是apple在`iOS11.3`中新加的特性，用作视频和音频的局域网投放
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`AirplayServer`作为接收端，可以接收来自支持`Airplay2`设备的数据
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`AirplayServer`可运行在`Android`设备，代码99%是C语言编写，方便移植
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# 功能
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1. mDNS发布服务
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2. 握手协议
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3. 接收镜像数据
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4. MediaCodec硬解与展示
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5. 接收音频数据
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6. fdk-aac音频解码
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7. AudioTrack播放PCM音乐
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# 演示截图
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下图是一次屏幕数据和音乐的投放演示，其中`iPhone`的系统是`iOS12`
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![](https://ww1.sinaimg.cn/large/007rAy9hgy1g0l65hwvg7j30u01o0juj.jpg)

‎app/.gitignore

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/build

‎app/CMakeLists.txt

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cmake_minimum_required(VERSION 3.4.1)
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add_subdirectory(src/main/cpp/lib/crypto)
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add_subdirectory(src/main/cpp/lib/curve25519)
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add_subdirectory(src/main/cpp/lib/ed25519)
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add_subdirectory(src/main/cpp/lib/playfair)
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add_subdirectory(src/main/cpp/lib/plist)
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add_subdirectory(src/main/cpp/lib/fdk-aac)
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add_subdirectory(src/main/cpp/lib)
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include_directories(lib
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lib/fdk-aac/libAACdec/include
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lib/fdk-aac/libAACenc/include
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lib/fdk-aac/libFDK/include
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lib/fdk-aac/libMpegTPDec/include
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lib/fdk-aac/libMpegTPEnc/include
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lib/fdk-aac/libPCMutils/include
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lib/fdk-aac/libSBRdec/include
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lib/fdk-aac/libSBRenc/include
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lib/fdk-aac/libSYS/include
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lib/fdk-aac/libArithCoding/include
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lib/fdk-aac/libDRCdec/include
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lib/fdk-aac/libSACdec/include
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lib/fdk-aac/libSACenc/include)
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add_library( raop_server
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SHARED
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src/main/cpp/jni_raop_server.cpp )
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add_subdirectory(src/main/cpp/mDNSResponder)
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find_library( log-lib
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log )
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target_link_libraries( raop_server
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${log-lib}
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play-lib
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jdns_sd
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ed25519
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fdk-aac)

‎app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 27
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defaultConfig {
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applicationId "com.fang.myapplication"
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minSdkVersion 22
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targetSdkVersion 27
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
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externalNativeBuild {
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cmake {
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abiFilters "armeabi-v7a"
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cppFlags ""
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}
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}
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ndk {
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abiFilters "armeabi-v7a"
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}
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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externalNativeBuild {
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cmake {
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path "CMakeLists.txt"
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}
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}
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sourceSets {
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main {
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jni.srcDirs = []
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jniLibs.srcDirs = ['libs']
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}
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}
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}
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dependencies {
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implementation fileTree(dir: 'libs', include: ['*.jar'])
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testImplementation 'junit:junit:4.12'
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androidTestImplementation 'com.android.support.test:runner:1.0.2'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
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}

‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/com/fang/myapplication/ExampleInstrumentedTest.java

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package com.fang.myapplication;
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import android.content.Context;
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import android.support.test.InstrumentationRegistry;
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import android.support.test.runner.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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@RunWith(AndroidJUnit4.class)
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public class ExampleInstrumentedTest {
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@Test
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public void useAppContext() {
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// Context of the app under test.
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Context appContext = InstrumentationRegistry.getTargetContext();
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assertEquals("com.fang.myapplication", appContext.getPackageName());
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}
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}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.fang.myapplication">
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
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<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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<uses-permission android:name="android.permission.INTERNET"/>
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<uses-permission android:name="android.permission.RECORD_AUDIO"/>
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/cpp/jni_raop_server.cpp

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//
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// Created by Administrator on 2019/1/29/029.
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//
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#include <jni.h>
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#include <stddef.h>
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#include "lib/raop.h"
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#include "log.h"
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#include "lib/stream.h"
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#include "lib/logger.h"
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#include <malloc.h>
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#include <cstring>
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static JavaVM* g_JavaVM;
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void OnRecvAudioData(void *observer, pcm_data_struct *data) {
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jobject obj = (jobject) observer;
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JNIEnv* jniEnv = NULL;
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g_JavaVM->AttachCurrentThread(&jniEnv, NULL);
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jclass cls = jniEnv->GetObjectClass(obj);
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jmethodID onRecvVideoDataM = jniEnv->GetMethodID(cls, "onRecvAudioData", "([SJ)V");
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jniEnv->DeleteLocalRef(cls);
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jshortArray sarr = jniEnv->NewShortArray(data->data_len);
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if (sarr == NULL) return;
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jniEnv->SetShortArrayRegion(sarr, (jint) 0, data->data_len, (jshort *) data->data);
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jniEnv->CallVoidMethod(obj, onRecvVideoDataM, sarr, data->pts);
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jniEnv->DeleteLocalRef(sarr);
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g_JavaVM->DetachCurrentThread();
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}
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void OnRecvVideoData(void *observer, h264_decode_struct *data) {
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jobject obj = (jobject) observer;
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JNIEnv* jniEnv = NULL;
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g_JavaVM->AttachCurrentThread(&jniEnv, NULL);
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jclass cls = jniEnv->GetObjectClass(obj);
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jmethodID onRecvVideoDataM = jniEnv->GetMethodID(cls, "onRecvVideoData", "([BIJJ)V");
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jniEnv->DeleteLocalRef(cls);
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jbyteArray barr = jniEnv->NewByteArray(data->data_len);
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if (barr == NULL) return;
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jniEnv->SetByteArrayRegion(barr, (jint) 0, data->data_len, (jbyte *) data->data);
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jniEnv->CallVoidMethod(obj, onRecvVideoDataM, barr, data->frame_type,
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data->pts, data->pts);
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jniEnv->DeleteLocalRef(barr);
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g_JavaVM->DetachCurrentThread();
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}
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extern "C" void
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audio_process(void *cls, pcm_data_struct *data)
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{
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OnRecvAudioData(cls, data);
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}
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extern "C" void
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audio_set_volume(void *cls, void *opaque, float volume)
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{
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}
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extern "C" void
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video_process(void *cls, h264_decode_struct *data)
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{
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OnRecvVideoData(cls, data);
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}
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extern "C" void
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log_callback(void *cls, int level, const char *msg) {
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switch (level) {
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case LOGGER_DEBUG: {
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LOGD("%s", msg);
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break;
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}
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case LOGGER_WARNING: {
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LOGW("%s", msg);
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break;
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}
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case LOGGER_INFO: {
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LOGI("%s", msg);
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break;
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}
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case LOGGER_ERR: {
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LOGE("%s", msg);
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break;
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}
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default:break;
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}
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}
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extern "C" JNIEXPORT jint JNICALL
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JNI_OnLoad(JavaVM* vm, void* reserved) {
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g_JavaVM = vm;
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return JNI_VERSION_1_6;
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}
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extern "C" JNIEXPORT jlong JNICALL
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Java_com_fang_myapplication_RaopServer_start(JNIEnv* env, jobject object) {
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raop_t *raop;
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raop_callbacks_t raop_cbs;
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memset(&raop_cbs, 0, sizeof(raop_cbs));
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raop_cbs.cls = (void *) env->NewGlobalRef(object);;
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raop_cbs.audio_process = audio_process;
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raop_cbs.audio_set_volume = audio_set_volume;
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raop_cbs.video_process = video_process;
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raop = raop_init(10, &raop_cbs);
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if (raop == NULL) {
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LOGE("raop = NULL");
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return 0;
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} else {
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LOGD("raop init success");
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}
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raop_set_log_callback(raop, log_callback, NULL);
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raop_set_log_level(raop, RAOP_LOG_DEBUG);
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unsigned short port = 0;
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raop_start(raop, &port);
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raop_set_port(raop, port);
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LOGD("raop port = % d", raop_get_port(raop));
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return (jlong) (void *) raop;
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}
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extern "C" JNIEXPORT jint JNICALL
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Java_com_fang_myapplication_RaopServer_getPort(JNIEnv* env, jobject object, jlong opaque) {
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raop_t *raop = (raop_t *) (void *) opaque;
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return raop_get_port(raop);
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}
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extern "C" JNIEXPORT void JNICALL
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Java_com_fang_myapplication_RaopServer_stop(JNIEnv* env, jobject object, jlong opaque) {
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raop_t *raop = (raop_t *) (void *) opaque;
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jobject obj = (jobject) raop_get_callback_cls(raop);
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raop_destroy(raop);
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env->DeleteGlobalRef(obj);
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}

‎app/src/main/cpp/lib/CMakeLists.txt

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cmake_minimum_required(VERSION 3.4.1)
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include_directories(crypto curve25519 ed25519 playfair plist/plist
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fdk-aac/libAACdec/include
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fdk-aac/libAACenc/include
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fdk-aac/libFDK/include
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fdk-aac/libMpegTPDec/include
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fdk-aac/libMpegTPEnc/include
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fdk-aac/libPCMutils/include
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fdk-aac/libSBRdec/include
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fdk-aac/libSBRenc/include
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fdk-aac/libSYS/include
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#fdk-aac/libArithCoding/include
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#fdk-aac/libDRCdec/include
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#fdk-aac/libSACdec/include
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#fdk-aac/libSACenc/include
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)
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aux_source_directory(. play_src)
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set(DIR_SRCS ${play_src})
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add_library( play-lib
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SHARED
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${DIR_SRCS}
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)
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find_library( log-lib
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log )
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target_link_libraries( play-lib
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crypto
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curve25519
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ed25519
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playfair
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plist
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fdk-aac
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${log-lib})

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