tencent cloud

#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "trro_remote.h"

//This sample does not include render code
int main() {
    //register signal state callback
    TRRO_registerSignalStateCallback(nullptr, [](void *context, SignalState state) {
        if(state == kTrroReady) {
            //connect to server successfully
            printf("init success \\n");
        }
        if (state == kTrroAuthFailed) {
            //auth failed
            printf("device_id or password is incorrect\\n");
        }
        if (state == kTrroKickout) {
            //kicked out caused by the same device ID login
            printf("the device is kicked by server, may be there is another device using the same device id\\n");
        }
    });

    // init function can be replaced by other init function, e.g.  json string as input
    int ret = TRRO_initJsonPath("./config.json"); 
    if(TRRO_SUCCED != ret) {
        if (ret == -TRRO_SIGNAL_CONNECT_OUTTIME) {
            printf("init process: wait for connecting\\n");
        } else {
            printf("init fail ret %d\\n", ret);
        }
    }
    
    //register the callback functions as needed
    //register video connection state callback
    TRRO_registerOnState(this, [](void* context, const char* gwid, int stream_id, int conn_fd, int state) {
      printf("###### onstate gwid %s, streamid %d  conn_fd %d  state %d\\n", gwid, stream_id, conn_fd, state);
    });
    //register video transmission state callback
    TRRO_registerOnMediaState(this, [](void* context, int windows_id, int fps, int bps, int rtt, long long decd, int jitter,
        long long packets_lost, long long packets_received, int stun) {
           printf("onMediaState window id %d fps %d bps %d rtt %d decd %lld rb %d lost %lld rec %lld stun %d\\n",windows_id, fps, bps, rtt, decd, jitter, packets_lost, packets_received, stun);
    });
    //register video latency info callback
    TRRO_registerAllLatencyCallback(this, [](void* context, const char* gwid, int windows_id, long long latency1, long long latency2, long long gateway_time, int vcct) {
        printf("allLatency %s, %d, latency1 %lld latency2 %lld video time %lld, vcct %d\\n", gwid, windows_id, latency1, latency2, gateway_time, vcct);     
    });
    
    //register video image data callback, can be used for application program rendering
    TRRO_registerRemoteFrameCallback(this, [](void * context, const char * gwid, int stream_id, int conn_id, const char* data, int width, int height, long long videotime) {
       //here can realize the rendering functions, but please do not block the callback thread.
       //you can try the async way to render video otherwise the video will be lagging
       //showMyVideo(gwid, conn_id, (unsigned char*)data, width, height); 
    });

    //receiver handle ID array
    int confds[8] = {0,1,2,3,4,5,6,7};
    //rendering windows handle
    WindowIdType window_hwnds[8] = { nullptr};
    //for SDK internal rendering, set the target win32 HWND, only for windows; 
    //for application program rendering, just set nullptr,and realize showMyVideo function
    TRRO_setWindows(confds, window_hwnds, 8);
    //connect the video streams, assume two devices, each with 4 video streams.
    int stream_num = 4;
    int stream_indexs[4] = {0,1,2,3};
    //connect field device1, 4 video streams (0-3), using the receiver handle (0-3)
    TRRO_connect("field_deviceId1", "", stream_num , &stream_indexs[0], &confds[0]);
    //connect field device1, 4 video streams (0-3), using the receiver handle (4-7)
    TRRO_connect("field_deviceId2", "", stream_num , &stream_indexs[0], &confds[4]);
    //wait for exiting
    while(true){
        sleep(3000);
        // Disconnect the video stream
        TRRO_disconnectAll();
        // Exit the SDK and release resources
        TRRO_destroy();
        break;
    }
    return 0;
}