#include "PL_RTSPServer.h"
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#include <liveMedia.hh>
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#include <BasicUsageEnvironment.hh>
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#include "FFmpegRTSPServer/IEncoder.h"
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#include "FFmpegRTSPServer/LiveRTSPServer.h"
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#include "FFmpegRTSPServer/FFmpegH264Source.h"
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#include "FFmpegRTSPServer/LiveServerMediaSubsession.h"
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class MyEncoderStub;
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struct RTSPServer_Internal
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{
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uint8_t* buffer;
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size_t buffSize;
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bool payError;
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pthread_t live_daemon_thid;
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pthread_mutex_t* frame_mutex;
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bool live_daemon_running;
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MESAI::LiveRTSPServer * server;
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MyEncoderStub * encoderStub;
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RTSPServer_Internal() :
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buffer(nullptr), buffSize(0),
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payError(true), live_daemon_thid(0), frame_mutex(new pthread_mutex_t), live_daemon_running(false),
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server(nullptr), encoderStub(nullptr)
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{
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pthread_mutex_init(frame_mutex, NULL);
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}
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~RTSPServer_Internal()
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{
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if (frame_mutex != nullptr)
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{
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pthread_mutex_destroy(frame_mutex);
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delete frame_mutex;
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frame_mutex = nullptr;
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}
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}
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void reset()
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{
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buffer = nullptr;
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buffSize = 0;
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payError = true;
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if (frame_mutex != nullptr)
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{
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pthread_mutex_destroy(frame_mutex);
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delete frame_mutex;
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frame_mutex = nullptr;
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}
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frame_mutex = new pthread_mutex_t;
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pthread_mutex_init(frame_mutex, NULL);
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live_daemon_thid = 0;
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live_daemon_running = false;
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server = nullptr;
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encoderStub = nullptr;
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}
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};
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class MyEncoderStub : public MESAI::IEncoder
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{
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public:
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MyEncoderStub(RTSPServer_Internal& _in) : in(_in)
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{
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}
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virtual ~MyEncoderStub()
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{
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}
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virtual void setCallbackFunctionFrameIsReady(std::function<void()> func)
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{
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onFrame = func;
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}
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virtual char GetFrame(u_int8_t** FrameBuffer, unsigned int *FrameSize)
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{
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if (in.buffer != nullptr && in.buffSize > 0)
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{
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*FrameBuffer = in.buffer;
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*FrameSize = in.buffSize;
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printf("send frame size=%u\n", in.buffSize);
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in.buffer = nullptr;
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in.buffSize = 0;
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return 1;
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}
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else
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{
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ReleaseFrame();
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return 0;
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}
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}
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virtual char ReleaseFrame()
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{
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int ret = pthread_mutex_unlock(in.frame_mutex);
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if(ret != 0)
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{
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printf("pthread_mutex_unlock frame_mutex: %s/n", strerror(ret));
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return 0;
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}
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return 1;
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}
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void deliverFrame()
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{
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// write frame buffer of RTSPServer_Internal::buffer
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onFrame();
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int ret = pthread_mutex_lock(in.frame_mutex);
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if(ret != 0)
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{
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printf("pthread_mutex_lock frame_mutex: %s/n", strerror(ret));
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return;
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}
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}
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private:
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RTSPServer_Internal& in;
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std::function<void()> onFrame;
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};
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PipeLineElem* create_PL_RTSPServer()
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{
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return new PL_RTSPServer;
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}
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PL_RTSPServer::PL_RTSPServer() : internal(new RTSPServer_Internal)
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{
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}
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PL_RTSPServer::~PL_RTSPServer()
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{
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delete (RTSPServer_Internal*)internal;
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internal = nullptr;
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}
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static void* live_daemon_thd(void* arg)
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{
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RTSPServer_Internal* in = (RTSPServer_Internal*)arg;
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MyEncoderStub encoder(*in);
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in->encoderStub = &encoder;
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in->server = new MESAI::LiveRTSPServer(&encoder, 8554, 8080);
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in->live_daemon_running = true;
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in->server->run(); // does not return
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in->encoderStub = nullptr;
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in->live_daemon_running = false;
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}
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bool PL_RTSPServer::init(void* args)
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{
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RTSPServer_Internal* in = (RTSPServer_Internal*)internal;
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in->reset();
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int ret = pthread_create(&(in->live_daemon_thid), NULL, live_daemon_thd, in);
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if(ret != 0)
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{
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printf("pthread_create: %s/n", strerror(ret));
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return false;
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}
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return true;
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}
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void PL_RTSPServer::finit()
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{
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RTSPServer_Internal* in = (RTSPServer_Internal*)internal;
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pthread_join(in->live_daemon_thid, NULL);
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}
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bool PL_RTSPServer::pay(const PipeMaterial& pm)
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{
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RTSPServer_Internal* in = (RTSPServer_Internal*)internal;
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if (pm.buffer == nullptr || pm.buffSize <= 0)
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return false;
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in->buffer = pm.buffer;
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in->buffSize = pm.buffSize;
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if (in->encoderStub == nullptr)
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return false;
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in->encoderStub->deliverFrame();
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return true;
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}
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bool PL_RTSPServer::gain(PipeMaterial& pm)
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{
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RTSPServer_Internal* in = (RTSPServer_Internal*)internal;
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pm.buffer = nullptr;
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pm.buffSize = 0;
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pm.former = this;
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return true;
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}
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