参考：https://github.com/wangzuxing/MyFFmpegH264H265YUVOpenGL/blob/master/MyFFmpegH264H265YUVOpenGL/jni/streamer.cpp
#include <jni.h>
#include <android/log.h> #include <liveMedia.hh> #include <BasicUsageEnvironment.hh> #include <GroupsockHelper.hh> #include <pthread.h> #include "DynamicRTSPServer.hh" #include "version.hh" #include "RTSPStream.h" #include "H264VideoSource.h" #include "H264VideoServerMediaSubsession.h" #ifdef __cplusplus extern "C" { #endif #define LOG_TAG "streamer" #define LOGW(a ) __android_log_write(ANDROID_LOG_WARN,LOG_TAG,a) #define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__) #define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__) #define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__) void play(); void afterPlaying(void* /*clientData*/); //} UsageEnvironment* uEnv; H264VideoStreamFramer* videoSource; RTPSink* videoSink; char quit; char* url; int port_number; FILE *file; char const *inputFilename; Boolean reuseFirstSource = False; Boolean reuseFirstSource0 = True; pthread_mutex_t mutex; //将const char类型转换成jstring类型 jstring CStr2Jstring0(JNIEnv* env, const char* pat ) { // 定义java String类 strClass jclass strClass = (env)->FindClass("java/lang/String;"); // 获取java String类方法String(byte[],String)的构造器,用于将本地byte[]数组转换为一个新String jmethodID ctorID = (env)->GetMethodID(strClass, "<init>", "([BLjava/lang/String;)V"); // 建立byte数组 jbyteArray bytes = (env)->NewByteArray((jsize)strlen(pat)); // 将char* 转换为byte数组 (env)->SetByteArrayRegion(bytes, 0, (jsize)strlen(pat), (jbyte*)pat); //设置String, 保存语言类型,用于byte数组转换至String时的参数 jstring encoding = (env)->NewStringUTF("GB2312"); //将byte数组转换为java String,并输出 return (jstring)(env)->NewObject(strClass, ctorID, bytes, encoding); } char * Jstring2CStr0( JNIEnv * env, jstring jstr ) { char * rtn = NULL; jclass clsstring = env->FindClass("java/lang/String"); jstring strencode = env->NewStringUTF("GB2312"); jmethodID mid = env->GetMethodID(clsstring, "getBytes", "(Ljava/lang/String;)[B"); jbyteArray barr= (jbyteArray)env->CallObjectMethod(jstr,mid,strencode); jsize alen = env->GetArrayLength(barr); jbyte * ba = env->GetByteArrayElements(barr,JNI_FALSE); if(alen > 0) { rtn = (char*)malloc(alen+1); //new char[alen+1]; memcpy(rtn,ba,alen); rtn[alen]=0; } env->ReleaseByteArrayElements(barr,ba,0); return rtn; } jstring CharTojstring0(JNIEnv* env, char* str) { jsize len = strlen(str); jclass clsstring = env->FindClass("java/lang/String"); jstring strencode = env->NewStringUTF("GB2312"); jmethodID mid = env->GetMethodID(clsstring,"<init>","([BLjava/lang/String;)V"); jbyteArray barr = env-> NewByteArray(len); env-> SetByteArrayRegion(barr,0,len,(jbyte*)str); return (jstring)env-> NewObject(clsstring,mid,barr,strencode); } void doExecuteVideoViewShow0(JNIEnv * env, jobject obj, jstring sdp) { // 1.找到java的MainActivity的class jclass clazz = env->FindClass("com/example/mylive55servermediacodec2/StreamerActivity2"); if (clazz == 0) { LOGI("can't find clazz"); } LOGI(" find clazz"); //2 找到class 里面的方法定义 jmethodID methodid = env->GetMethodID(clazz, "PlayRtspStream", "(Ljava/lang/String;)V"); if (methodid == 0) { LOGI("can't find methodid"); } LOGI(" find methodid"); //3 .调用方法 env->CallVoidMethod(clazz, methodid, sdp); } static void announceStream0(RTSPServer* rtspServer, ServerMediaSession* sms, char const* streamName, char const* inputFileName) { char* url = rtspServer->rtspURL(sms); char buf[255] = { 0 }; UsageEnvironment& env = rtspServer->envir(); sprintf(buf, "%s-->stream, from the file-->%s,Play this stream using the URL:%s", streamName, inputFileName, url); LOGW(buf); delete[] url; }