diff --git a/client/webrtc_demo/src/MyCapturer.cpp b/client/webrtc_demo/src/MyCapturer.cpp
index 80a6b68..d49b812 100644
--- a/client/webrtc_demo/src/MyCapturer.cpp
+++ b/client/webrtc_demo/src/MyCapturer.cpp
@@ -1,6 +1,8 @@
 #include "MyCapturer.h"
 #include "rtc_base/thread.h"
 #include <modules/desktop_capture/desktop_capture_options.h>
+#include <QDebug>
+#include <iostream>
 
 MyCapturer::MyCapturer() {
 
@@ -30,6 +32,85 @@ absl::optional<bool> MyCapturer::needs_denoising() const {
   return false;
 }
 
+static void RawToBmp(unsigned char *pRawImage, int ImageHeight, int ImageWidth, int bitcount,std::string filePath)
+{
+
+    unsigned char *imgData;
+    LONGLONG dataSizePerLine = ((ImageWidth * bitcount + 31) >> 5) << 2;
+
+
+    int plaLen = bitcount <= 8 ? 2 << (bitcount - 1) : 0;
+    std::cout << "plaLen = " << plaLen << endl;
+    int headerLength = 14 + 40 + plaLen * 4;
+    LONGLONG dataLength = dataSizePerLine*(ImageHeight - 1) + ImageWidth*bitcount / 8;
+    std::cout << "headerLength = " << headerLength << endl;
+    std::cout << "dataLength = " << dataLength << endl;
+    short int biPlanes = 1;
+    char bm[2] = { 'B', 'M' };
+    long bfReserved1 = 0;
+    LONGLONG bfSize = headerLength + dataLength;
+    long biHeight = ImageHeight*(-1);
+    long bfOffBits = headerLength;
+    long bisize = 40;
+    long biCompression = 0; LONGLONG biSizeImage = dataLength;
+    long biXPelsPerMeter = 0, biYPelsPerMeter = 0;
+    long biClrUsed = plaLen; int biClrImportant = 0;
+    imgData = new unsigned char[headerLength + dataLength];
+    memset(imgData, 0, headerLength + dataLength);
+    memcpy(imgData, &bm, 2);
+    memcpy(imgData + 2, &bfSize, 4);
+    memcpy(imgData + 6, &bfReserved1, 4);
+    memcpy(imgData + 10, &bfOffBits, 4);
+    memcpy(imgData + 14, &bisize, 4);
+    memcpy(imgData + 18, &ImageWidth, 4);
+    memcpy(imgData + 22, &biHeight, 4);
+    memcpy(imgData + 26, &biPlanes, 2);
+    memcpy(imgData + 28, &bitcount, 2);
+    memcpy(imgData + 30, &biCompression, 4);
+    memcpy(imgData + 34, &biSizeImage, 4);
+    memcpy(imgData + 38, &biXPelsPerMeter, 4);
+    memcpy(imgData + 42, &biYPelsPerMeter, 4);
+    memcpy(imgData + 46, &biClrUsed, 4);
+    memcpy(imgData + 50, &biCompression, 4);
+
+    if (headerLength > 54) {
+        if (bitcount == 1) {
+            for (char i = 0; i < 2; i++) {
+                char gray[4] = { char(i * 255), char(i * 255), char(i * 255), char(255) };
+                memcpy(imgData + 54 + 4 * i, gray, 4);
+            }
+        }
+        else if (bitcount == 4) {
+            for (char i = 0; i < 16; i++) {
+                char gray[4] = { char(i * 17), char(i * 17), char(i * 17), char(255) };
+                memcpy(imgData + 54 + 4 * i, gray, 4);
+            }
+        }
+        else  if (bitcount == 8) {
+            for (int i = 0; i < 255; i++) {
+                char gray[4] = { char(i), char(i), char(i), char(255)};
+                memcpy(imgData + 54 + 4 * i, gray, 4);
+            }
+        }
+    }
+
+
+    int dw = ImageWidth*bitcount / 8;
+    for (int i = 0; i < ImageHeight; i++)
+    {
+        memcpy(imgData + headerLength + dataSizePerLine*i, pRawImage + dw*i, dw);
+    }
+
+
+
+    FILE *fp_bmp;
+    fp_bmp = fopen(filePath.c_str()/*"temp.bmp"*/, "wb");
+    fwrite((void*)imgData, bfSize, 1, fp_bmp);
+    fclose(fp_bmp);
+
+
+}
+
 void MyCapturer::OnCaptureResult(webrtc::DesktopCapturer::Result result,
                                  std::unique_ptr<webrtc::DesktopFrame> frame) {
     if (result != webrtc::DesktopCapturer::Result::SUCCESS)
@@ -43,11 +124,12 @@ void MyCapturer::OnCaptureResult(webrtc::DesktopCapturer::Result result,
         i420_buffer_ = webrtc::I420Buffer::Create(width, height);
     }
 
-//    libyuv::ConvertToI420(frame->data(), 0, i420_buffer_->MutableDataY(),
-//        i420_buffer_->StrideY(), i420_buffer_->MutableDataU(),
-//        i420_buffer_->StrideU(), i420_buffer_->MutableDataV(),
-//        i420_buffer_->StrideV(), 0, 0, width, height, width,
-//        height, libyuv::kRotate0, libyuv::FOURCC_ARGB);
+    libyuv::ConvertToI420(frame->data(), 0, i420_buffer_->MutableDataY(),
+        i420_buffer_->StrideY(), i420_buffer_->MutableDataU(),
+        i420_buffer_->StrideU(), i420_buffer_->MutableDataV(),
+        i420_buffer_->StrideV(), 0, 0, width, height, width,
+        height, libyuv::kRotate0, libyuv::FOURCC_ARGB);
+//    RawToBmp(frame->data(),height,width,32,"d://sss.bmp");
 
     OnFrame(webrtc::VideoFrame(i420_buffer_, 0, 0, webrtc::kVideoRotation_0));
 }
diff --git a/client/webrtc_demo/src/MyCapturer.h b/client/webrtc_demo/src/MyCapturer.h
index 96a4da1..b7c976e 100644
--- a/client/webrtc_demo/src/MyCapturer.h
+++ b/client/webrtc_demo/src/MyCapturer.h
@@ -10,7 +10,7 @@
 #include "rtc_base/thread.h"
 #include "media/base/adapted_video_track_source.h"
 #include "rtc_base/message_handler.h"
-
+#include "libyuv.h"
 
 class MyCapturer : public rtc::AdaptedVideoTrackSource,
                    public rtc::MessageHandler,
diff --git a/client/webrtc_demo/src/cplaywidget.cpp b/client/webrtc_demo/src/cplaywidget.cpp
index 1838a2e..4efa0ab 100644
--- a/client/webrtc_demo/src/cplaywidget.cpp
+++ b/client/webrtc_demo/src/cplaywidget.cpp
@@ -90,6 +90,8 @@ void CPlayWidget::OnPaintData(const rtc::scoped_refptr<webrtc::I420BufferInterfa
     update();
 }
 
+
+
 CPlayWidget::CPlayWidget(QWidget *parent):QOpenGLWidget(parent) {
     textureUniformY = 0;
     textureUniformU = 0;
@@ -119,15 +121,14 @@ int CPlayWidget::SetDataType(CPlayWidget::IMG_TYPE type){
     return 0;
 }
 
-int CPlayWidget::OnCameraData( rtc::scoped_refptr<webrtc::I420BufferInterface> &buffer)
+void CPlayWidget::CameraData( rtc::scoped_refptr<webrtc::I420BufferInterface> &buffer)
 {
     m_buffer = buffer;
-    memcpy(this->m_pBufYuv420p,buffer->GetI420()->DataY(),640*480);
-    memcpy(this->m_pBufYuv420p + 640*480 ,buffer->GetI420()->DataU(),640*480/4);
-    memcpy(this->m_pBufYuv420p+ 640*480 + 640*480/4,buffer->GetI420()->DataV(),640*480/4);
+    memcpy(this->m_pBufYuv420p,buffer->GetI420()->DataY(),2560*1600);
+    memcpy(this->m_pBufYuv420p + 2560*1600 ,buffer->GetI420()->DataU(),2560*1600/4);
+    memcpy(this->m_pBufYuv420p+ 2560*1600+ 2560*1600/4,buffer->GetI420()->DataV(),2560*1600/4);
 
     update();
-    return 0;
 }
 
 int CPlayWidget::OnCameraData(uint8_t *p)
@@ -137,12 +138,19 @@ int CPlayWidget::OnCameraData(uint8_t *p)
     return 0;
 }
 
+int CPlayWidget::OnCameraDataRgb(uint8_t *p)
+{
+    memcpy(m_pBufRgb32,p,this->m_nVideoH*this->m_nVideoW*4);
+    update();
+    return 0;
+}
+
 int CPlayWidget::SetImgSize(uint32_t width, uint32_t height)
 {
     m_nVideoH = height;
     m_nVideoW = width;
     if(mType == TYPE_RGB32){
-        m_pBufRgb32 = new uint8_t[width * height *4];
+        m_pBufRgb32 = new uint8_t[width * height *8];
     }
     if(mType == TYPE_YUV420P){
         m_pBufYuv420p = new uint8_t[width * height *3/2];
diff --git a/client/webrtc_demo/src/cplaywidget.h b/client/webrtc_demo/src/cplaywidget.h
index ac8c174..41c07e4 100644
--- a/client/webrtc_demo/src/cplaywidget.h
+++ b/client/webrtc_demo/src/cplaywidget.h
@@ -25,8 +25,10 @@
 class CPlayWidget:public QOpenGLWidget,protected QOpenGLFunctions
 {
     Q_OBJECT
+signals:
 public slots:
     void OnPaintData(const rtc::scoped_refptr<webrtc::I420BufferInterface> &buffer);
+    void CameraData(rtc::scoped_refptr<webrtc::I420BufferInterface> &buffer);
 
 public:
     typedef enum{
@@ -37,8 +39,9 @@ public:
     CPlayWidget(QWidget* parent);
     ~CPlayWidget();
     int SetDataType(IMG_TYPE);
-    int OnCameraData(rtc::scoped_refptr<webrtc::I420BufferInterface> &buffer);
     int OnCameraData(uint8_t *);
+    int OnCameraDataRgb(uint8_t *);
+
     int SetImgSize(uint32_t width,uint32_t );
 protected:
     QTimer tm;
diff --git a/client/webrtc_demo/src/main.cpp b/client/webrtc_demo/src/main.cpp
index 1b66f9b..db095e7 100644
--- a/client/webrtc_demo/src/main.cpp
+++ b/client/webrtc_demo/src/main.cpp
@@ -96,6 +96,9 @@ void InitCustomMetaType(){
     qRegisterMetaType<rtc::scoped_refptr<webrtc::I420BufferInterface>>("rtc::scoped_refptr<webrtc::I420BufferInterface>&");
     qRegisterMetaType<webrtc::VideoTrackInterface*>("webrtc::VideoTrackInterface*");
     qRegisterMetaType<webrtc::MediaStreamTrackInterface*>("webrtc::MediaStreamTrackInterface*");
+    qRegisterMetaType<uint8_t*>("uint8_t*");
+    qRegisterMetaType<uint64_t>("uint64_t");
+
 
 }
 int main(int argc, char *argv[])
diff --git a/client/webrtc_demo/src/mainwindow.cpp b/client/webrtc_demo/src/mainwindow.cpp
index ed443a6..fe7f759 100644
--- a/client/webrtc_demo/src/mainwindow.cpp
+++ b/client/webrtc_demo/src/mainwindow.cpp
@@ -7,6 +7,9 @@
 #include <windows.h>
 #include <Lmcons.h>
 #include <QAction>
+#include "MyCapturer.h"
+#include <iostream>
+
 
 const char kCandidateSdpMidName[] = "sdpMid";
 const char kCandidateSdpMlineIndexName[] = "sdpMLineIndex";
@@ -20,16 +23,19 @@ MainWindow::MainWindow(QWidget *parent)
     ,mModel(nullptr)
     ,mCalling(false)
 {
+    mHandler->SetParent(this);
     ui->setupUi(this);
-    ui->openGLWidget->SetImgSize(640,480);
+    ui->openGLWidget->SetDataType(CPlayWidget::TYPE_I420);
+    ui->openGLWidget->SetImgSize(2560,1600);
     ui->openGLWidget->show();
 
-    mHandler->InitWebrtc();
     TCHAR username[UNLEN + 1];
     DWORD size = UNLEN + 1;
     GetUserName((TCHAR*)username, &size);
     mModel = new QStandardItemModel(this);
     ui->treeView->setModel(mModel);
+
+    mHandler->InitWebrtc();
     connect(ui->treeView,SIGNAL(doubleClicked(QModelIndex)),
             this,SLOT(itemClicked(QModelIndex)));
     connect((WebrtcHanlder*)(mHandler.get()),SIGNAL(OnOfferSdp(QString)),
@@ -38,7 +44,7 @@ MainWindow::MainWindow(QWidget *parent)
             this,SLOT(on_track_add(webrtc::MediaStreamTrackInterface*)));
     connect((WebrtcHanlder*)(mHandler.get()),SIGNAL(OnLocalTrack(webrtc::VideoTrackInterface* )),
             this,SLOT(on_local_track_add(webrtc::VideoTrackInterface* )));
-    mHandler.get()->setParent(this);
+
 }
 
 MainWindow::~MainWindow()
@@ -46,15 +52,19 @@ MainWindow::~MainWindow()
     delete ui;
 }
 
+CPlayWidget *MainWindow::OpenglWidget()
+{
+    return this->ui->openGLWidget;
+}
+
 void MainWindow::OnUpdateFrame( rtc::scoped_refptr<webrtc::I420BufferInterface>& buffer)
 {
     qDebug()<<"1234";
-    ui->openGLWidget->OnCameraData(buffer);
+//    ui->openGLWidget->OnCameraData(buffer);
 }
 
 void MainWindow::OnUpdateFrame1(uint8_t *dat)
 {
-    qDebug()<<"4321";
     ui->openGLWidget->OnCameraData(dat);
 }
 
@@ -101,7 +111,10 @@ int WebrtcHanlder::InitWebrtc()
         x->show();
         exit(0);
     }
-
+    if (!m_peer_connection_->GetSenders().empty()) {
+        return -1;  // Already added tracks.
+    }
+    // add audio tracks
     rtc::scoped_refptr<webrtc::AudioTrackInterface> audio_track(
         m_peer_connection_factory_->CreateAudioTrack(
             kAudioLabel, m_peer_connection_factory_->CreateAudioSource(
@@ -109,7 +122,7 @@ int WebrtcHanlder::InitWebrtc()
 
     auto result_or_error = m_peer_connection_->AddTrack(audio_track, {kStreamId});
     if (!result_or_error.ok()) {
-        qDebug() << "Failed to add audio track to PeerConnection: "
+    RTC_LOG(LS_ERROR) << "Failed to add audio track to PeerConnection: "
                         << result_or_error.error().message();
     }
 
@@ -118,17 +131,16 @@ int WebrtcHanlder::InitWebrtc()
         video_device->startCapturer();
         rtc::scoped_refptr<webrtc::VideoTrackInterface> video_track_(
             m_peer_connection_factory_->CreateVideoTrack(kVideoLabel, video_device));
-//        main_wnd_->StartLocalRenderer(video_track_);
-//        mParent->on_local_track_add(video_track_);
+        auto p = video_device.get();
+
         result_or_error = m_peer_connection_->AddTrack(video_track_, { kStreamId });
         if (!result_or_error.ok()) {
-            qDebug() << "Failed to add video track to PeerConnection: "
+            RTC_LOG(LS_ERROR) << "Failed to add video track to PeerConnection: "
                 << result_or_error.error().message();
         }
     } else {
-        qDebug()<< "OpenVideoCaptureDevice failed";
+        RTC_LOG(LS_ERROR) << "OpenVideoCaptureDevice failed";
     }
-
 }
 
 
@@ -237,7 +249,7 @@ void WebrtcHanlder::OnSignalingChange(webrtc::PeerConnectionInterface::Signaling
 
 }
 
-
+// 接受者创建track成功
 void WebrtcHanlder::OnAddTrack(rtc::scoped_refptr<webrtc::RtpReceiverInterface> receiver,
                                const std::vector<rtc::scoped_refptr<webrtc::MediaStreamInterface> > &streams)
 {
@@ -310,7 +322,7 @@ void WebrtcHanlder::OnFailure(webrtc::RTCError error)
 
 void MainWindow::on_pushButton_clicked()
 {
-    mSignalClient = new SignalClient(QUrl("ws://127.0.0.1:9555/ws"),true,this);
+    mSignalClient = new SignalClient(QUrl(ui->lineEdit_2->text()),true,this);
     connect(this->mSignalClient,SIGNAL(connected()),this,SLOT(signal_conneted()));
     connect(this->mSignalClient,SIGNAL(response(int ,QJsonObject)),
             this,SLOT( signal_response(int,QJsonObject)));
@@ -386,6 +398,7 @@ void MainWindow::itemClicked(QModelIndex index)
 {
     if(!mSignalClient->Connected()){
         qDebug()<<"请先连接信令服务";
+        return;
     }
     mHandler->CreateOffer();
     qDebug()<<mModel->item(index.row())->text();
@@ -407,7 +420,13 @@ void MainWindow::on_track_add(webrtc::MediaStreamTrackInterface *data)
     auto* track = reinterpret_cast<webrtc::MediaStreamTrackInterface*>(data);
     if (track->kind() == webrtc::MediaStreamTrackInterface::kVideoKind) {
         auto* video_track = static_cast<webrtc::VideoTrackInterface*>(track);
+        qDebug()<<"remote trackid is "<<video_track->id().c_str();
         remote_renderer_.reset(new VideoRenderer( 1, 1, video_track));
+        auto p = remote_renderer_.get();
+
+        connect((VideoRenderer*)(p),SIGNAL(UpdateFrame(rtc::scoped_refptr<webrtc::I420BufferInterface>&)),
+                ui->openGLWidget,SLOT(CameraData(rtc::scoped_refptr<webrtc::I420BufferInterface> &)),
+                Qt::ConnectionType::QueuedConnection);
     }
     track->Release();
 }
@@ -418,6 +437,11 @@ void MainWindow::on_local_track_add(webrtc::VideoTrackInterface* data)
     local_renderer_.reset(new VideoRenderer( 1, 1, data));
 }
 
+void MainWindow::rgba_data(uint8_t *buffer, uint64_t)
+{
+    ui->openGLWidget->OnCameraDataRgb(buffer);
+}
+
 
 VideoRenderer::VideoRenderer(int width, int height, webrtc::VideoTrackInterface *track_to_render)
 : rendered_track_(track_to_render)
@@ -441,9 +465,86 @@ VideoRenderer::~VideoRenderer()
     ::DeleteCriticalSection(&buffer_lock_);
 }
 
+static void RawToBmp(unsigned char *pRawImage, int ImageHeight, int ImageWidth, int bitcount,std::string filePath)
+{
+
+    unsigned char *imgData;
+    LONGLONG dataSizePerLine = ((ImageWidth * bitcount + 31) >> 5) << 2;
+
+
+    int plaLen = bitcount <= 8 ? 2 << (bitcount - 1) : 0;
+    std::cout << "plaLen = " << plaLen << endl;
+    int headerLength = 14 + 40 + plaLen * 4;
+    LONGLONG dataLength = dataSizePerLine*(ImageHeight - 1) + ImageWidth*bitcount / 8;
+    std::cout << "headerLength = " << headerLength << endl;
+    std::cout << "dataLength = " << dataLength << endl;
+    short int biPlanes = 1;
+    char bm[2] = { 'B', 'M' };
+    long bfReserved1 = 0;
+    LONGLONG bfSize = headerLength + dataLength;
+    long biHeight = ImageHeight*(-1);
+    long bfOffBits = headerLength;
+    long bisize = 40;
+    long biCompression = 0; LONGLONG biSizeImage = dataLength;
+    long biXPelsPerMeter = 0, biYPelsPerMeter = 0;
+    long biClrUsed = plaLen; int biClrImportant = 0;
+    imgData = new unsigned char[headerLength + dataLength];
+    memset(imgData, 0, headerLength + dataLength);
+    memcpy(imgData, &bm, 2);
+    memcpy(imgData + 2, &bfSize, 4);
+    memcpy(imgData + 6, &bfReserved1, 4);
+    memcpy(imgData + 10, &bfOffBits, 4);
+    memcpy(imgData + 14, &bisize, 4);
+    memcpy(imgData + 18, &ImageWidth, 4);
+    memcpy(imgData + 22, &biHeight, 4);
+    memcpy(imgData + 26, &biPlanes, 2);
+    memcpy(imgData + 28, &bitcount, 2);
+    memcpy(imgData + 30, &biCompression, 4);
+    memcpy(imgData + 34, &biSizeImage, 4);
+    memcpy(imgData + 38, &biXPelsPerMeter, 4);
+    memcpy(imgData + 42, &biYPelsPerMeter, 4);
+    memcpy(imgData + 46, &biClrUsed, 4);
+    memcpy(imgData + 50, &biCompression, 4);
+
+    if (headerLength > 54) {
+        if (bitcount == 1) {
+            for (char i = 0; i < 2; i++) {
+                char gray[4] = { char(i * 255), char(i * 255), char(i * 255), char(255) };
+                memcpy(imgData + 54 + 4 * i, gray, 4);
+            }
+        }
+        else if (bitcount == 4) {
+            for (char i = 0; i < 16; i++) {
+                char gray[4] = { char(i * 17), char(i * 17), char(i * 17), char(255) };
+                memcpy(imgData + 54 + 4 * i, gray, 4);
+            }
+        }
+        else  if (bitcount == 8) {
+            for (int i = 0; i < 255; i++) {
+                char gray[4] = { char(i), char(i), char(i), char(255)};
+                memcpy(imgData + 54 + 4 * i, gray, 4);
+            }
+        }
+    }
+
+
+    int dw = ImageWidth*bitcount / 8;
+    for (int i = 0; i < ImageHeight; i++)
+    {
+        memcpy(imgData + headerLength + dataSizePerLine*i, pRawImage + dw*i, dw);
+    }
+
+
+
+    FILE *fp_bmp;
+    fp_bmp = fopen(filePath.c_str()/*"temp.bmp"*/, "wb");
+    fwrite((void*)imgData, bfSize, 1, fp_bmp);
+    fclose(fp_bmp);
+
+
+}
 void VideoRenderer::OnFrame(const webrtc::VideoFrame &video_frame)
 {
-    qDebug()<<"onframe";
     {
         AutoLock<VideoRenderer> lock(this);
         rtc::scoped_refptr<webrtc::I420BufferInterface> buffer(
@@ -452,13 +553,25 @@ void VideoRenderer::OnFrame(const webrtc::VideoFrame &video_frame)
             buffer = webrtc::I420Buffer::Rotate(*buffer, video_frame.rotation());
         }
         SetSize(buffer->width(), buffer->height());
-        RTC_DCHECK(image_.get() != NULL);
-        qDebug()<<buffer->width() << buffer->height();
+        RTC_DCHECK(image_ != NULL);
 //        libyuv::I420ToARGB(buffer->DataY(), buffer->StrideY(), buffer->DataU(),
 //            buffer->StrideU(), buffer->DataV(), buffer->StrideV(),
-//            image_.get(),
+//            image_,
 //            bmi_.bmiHeader.biWidth * bmi_.bmiHeader.biBitCount / 8,
 //            buffer->width(), buffer->height());
+//        rgbadata(image_,
+//                 (uint64_t)(buffer->width()*buffer->height()*4));
+        //UpdateFrame(buffer);
+        auto i420_buffer_ = video_frame.video_frame_buffer()->ToI420();
+        auto type = video_frame.video_frame_buffer()->type();
+        libyuv::I420ToARGB(i420_buffer_->DataY(), i420_buffer_->StrideY(), i420_buffer_->DataU(),
+            i420_buffer_->StrideU(), i420_buffer_->DataV(), i420_buffer_->StrideV(),
+            image_,
+            i420_buffer_->width()*4,
+            i420_buffer_->width(), i420_buffer_->height());
+        RawToBmp(image_,i420_buffer_->height(),i420_buffer_->width(),32,"d://sss2.bmp");
+        qDebug()<<"local size: "<<i420_buffer_->width() << i420_buffer_->height();
+
     }
 }
 
@@ -472,5 +585,5 @@ void VideoRenderer::SetSize(int width, int height)
     bmi_.bmiHeader.biHeight = -height;
     bmi_.bmiHeader.biSizeImage =
         width * height * (bmi_.bmiHeader.biBitCount >> 3);
-    image_.reset(new uint8_t[bmi_.bmiHeader.biSizeImage]);
+           image_ = new uint8_t[bmi_.bmiHeader.biSizeImage];
 }
diff --git a/client/webrtc_demo/src/mainwindow.h b/client/webrtc_demo/src/mainwindow.h
index 3d79ac2..273c14e 100644
--- a/client/webrtc_demo/src/mainwindow.h
+++ b/client/webrtc_demo/src/mainwindow.h
@@ -29,44 +29,53 @@
 #include "api/video/i420_buffer.h"
 #include "signal_client.h"
 #include <QStandardItemModel>
+#include "cplaywidget.h"
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class MainWindow; }
 QT_END_NAMESPACE
 
 
-class VideoRenderer : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
+class VideoRenderer : public QObject,
+        public rtc::VideoSinkInterface<webrtc::VideoFrame>
 
- public:
-  VideoRenderer(
+{
+Q_OBJECT
+public:
+    VideoRenderer(
                 int width,
                 int height,
                 webrtc::VideoTrackInterface* track_to_render);
-  virtual ~VideoRenderer();
+    virtual ~VideoRenderer();
 
-  void Lock() { ::EnterCriticalSection(&buffer_lock_); }
+    void Lock() { ::EnterCriticalSection(&buffer_lock_); }
 
-  void Unlock() { ::LeaveCriticalSection(&buffer_lock_); }
+    void Unlock() { ::LeaveCriticalSection(&buffer_lock_); }
 
-  // VideoSinkInterface implementation
-  void OnFrame(const webrtc::VideoFrame& frame) override;
+    // VideoSinkInterface implementation
+    void OnFrame(const webrtc::VideoFrame& frame) override;
 
-  const BITMAPINFO& bmi() const { return bmi_; }
-  const uint8_t* image() const { return image_.get(); }
+    const BITMAPINFO& bmi() const { return bmi_; }
+    const uint8_t* image() const { return image_; }
 
- protected:
-  void SetSize(int width, int height);
 
-  enum {
-    SET_SIZE,
-    RENDER_FRAME,
-  };
+signals:
+    void rgbadata(uint8_t *data,uint64_t len);
+    void UpdateFrame(rtc::scoped_refptr<webrtc::I420BufferInterface>& buffer);
 
-  HWND wnd_;
-  BITMAPINFO bmi_;
-  std::unique_ptr<uint8_t[]> image_;
-  CRITICAL_SECTION buffer_lock_;
-  rtc::scoped_refptr<webrtc::VideoTrackInterface> rendered_track_;
+protected:
+    void SetSize(int width, int height);
+
+    enum {
+        SET_SIZE,
+        RENDER_FRAME,
+    };
+
+    HWND wnd_;
+    BITMAPINFO bmi_;
+    uint8_t* image_;
+    CRITICAL_SECTION buffer_lock_;
+    rtc::scoped_refptr<webrtc::VideoTrackInterface> rendered_track_;
 };
 
 // A little helper class to make sure we always to proper locking and
@@ -86,6 +95,9 @@ class WebrtcHanlder :public QObject,
         public webrtc::PeerConnectionObserver,
         public webrtc::CreateSessionDescriptionObserver{
     Q_OBJECT
+
+public:
+
 signals:
     void OnOfferSdp(QString);
     void OnAnswerSdp(QString);
@@ -101,6 +113,7 @@ public:
     void SetRemoteCandidate(QString);
     void SetParent(MainWindow *p);
     void CreateAnwer();
+
 protected:
     ~WebrtcHanlder();
     //
@@ -140,8 +153,12 @@ class MainWindow :public QMainWindow
 {
     Q_OBJECT
 public:
+    Ui::MainWindow *ui;
+
     MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
+
+    CPlayWidget* OpenglWidget();
 protected:
 
 public slots:
@@ -157,9 +174,9 @@ public slots:
     void on_local_sdp(QString);
     void on_track_add(webrtc::MediaStreamTrackInterface*);
     void on_local_track_add(webrtc::VideoTrackInterface* );
+    void rgba_data(uint8_t *,uint64_t );
 
 private:
-    Ui::MainWindow *ui;
     rtc::scoped_refptr<WebrtcHanlder> mHandler;
     SignalClient *mSignalClient;
     QStandardItemModel *mModel;
diff --git a/client/webrtc_demo/webrtc_demo.pro b/client/webrtc_demo/webrtc_demo.pro
index 6efb41d..7b3a0fc 100644
--- a/client/webrtc_demo/webrtc_demo.pro
+++ b/client/webrtc_demo/webrtc_demo.pro
@@ -18,7 +18,7 @@ DEFINES += QT_DEPRECATED_WARNINGS NOMINMAX WEBRTC_WIN NOMINMAX WIN32_LEAN_AND_ME
 
 INCLUDEPATH += third/include/
 
-LIBS += -L$$PWD/third/lib libwebrtc.lib  ole32.lib oleaut32.lib strmiids.lib
+LIBS += -L$$PWD/third/lib libwebrtc.lib  ole32.lib oleaut32.lib strmiids.lib yuv.lib
 
 SOURCES += \
     src/MyCapturer.cpp \
diff --git a/client/webrtc_demo/webrtc_demo.pro.user b/client/webrtc_demo/webrtc_demo.pro.user
index 33ddd4d..dcdfa67 100644
--- a/client/webrtc_demo/webrtc_demo.pro.user
+++ b/client/webrtc_demo/webrtc_demo.pro.user
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 4.11.0, 2021-10-21T01:30:59. -->
+<!-- Written by QtCreator 4.11.0, 2021-10-30T03:12:14. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>