qt_rtmp_demo/mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDesktopWidget>
#include <QPaintDevice>


#if _MSC_VER >= 1600
#pragma execution_character_set("utf-8")
#endif

MainWindow::MainWindow(QWidget *parent) :
    QssMainWindow(parent,0,1.5),
    ui(new Ui::MainWindow),
    m_bCameraOpen(false),
    mCamera(nullptr),
    m_bRtmpPushing(false),
    mPlayerWidget(nullptr),
    mVideoCoder(nullptr),
    mPusher(nullptr),
    mAudioCapture(nullptr),
    mTimer(nullptr),
    mChart(nullptr),
    mChartView(nullptr),
    mSeries(nullptr),
    mScreenCap(nullptr),
    mCapScreen(false),
    mScreenshot(nullptr)
{
    ui->setupUi(this);
    this->move(50,50);
    int i(0);
    QDesktopWidget* desktopWidget = QApplication::desktop();
    QRect clientRect = desktopWidget->availableGeometry();
    QRect applicationRect = desktopWidget->screenGeometry();

    qDebug()<<this->pos()<<clientRect<<applicationRect<<this->m_frame->geometry()<<this->centralWidget()->geometry();

    std::vector<std::wstring>  cameras = Camera::EnumAllCamera();
    for(std::wstring x : cameras){
        ui->comboBox->addItem(QString::fromWCharArray(x.c_str(),x.size()),
                              QString::fromWCharArray(x.c_str(),x.size()));
    }
    mAudioCapture = new CaptureAudioFfmpeg(44100, 2);
    mMic = mAudioCapture->EnumSpeakers();
    qDebug()<<"capture "<<mMic.size()<<"mic";
    for(vector<CaptureAudioFfmpeg::MICInfo>::iterator itr = mMic.begin();itr != mMic.end();itr++){
        qDebug()<<QString::fromStdWString(itr->name)<<itr->index;
        ui->comboBox_2->addItem(QString::fromWCharArray(itr->name.c_str(),itr->name.size()),
                                QString::fromWCharArray(itr->name.c_str(),itr->name.size()));
    }

    mTimer = new QTimer(this);
    connect(mTimer, SIGNAL(timeout()), this, SLOT(DetectDpi()));
    mTimer->start(500);


    mChart = new QChart();
    mSeries = new QLineSeries(this);
    mSeries->setUseOpenGL(true);
    mSeries->append(0, 0);

    mChart->addSeries(mSeries);
    mChart->createDefaultAxes();
    mChart->axisX()->setMax(2000);
    mChart->axisY()->setMax(2000);
    mChart->axisY()->setMin(-2000);

    mChartView = new QChartView(this);
    ui->verticalLayout->addWidget(mChartView);
    mChartView->setChart(mChart);

    ui->verticalLayout->setStretch(0,2);
    ui->verticalLayout->setStretch(1,8);
    ui->verticalLayout->setStretch(2,4);

}

MainWindow::~MainWindow(){
    delete ui;
}

void MainWindow::OnAudioData(const void *frameaddress, uint32_t framelen)
{
    if(mBufferAudio.size() > 1) {
        delete frameaddress;
        return;
    }
    qDebug()<<frameaddress<<framelen;
    mMux.lock();
    mBufferAudio.push_front((void *)frameaddress);
    mMux.unlock();
}

void MainWindow::on_pushButton_clicked(){
    if(nullptr == mPlayerWidget){
        mPlayerWidget = new CPlayWidget(nullptr);
    }
    if(!m_bCameraOpen){
        mPlayerWidget->SetDataType(CPlayWidget::IMG_TYPE::TYPE_RGB32);

        qDebug()<<ui->comboBox->currentText().size()<<ui->comboBox->currentText();
        wchar_t *opencamera = new wchar_t[ui->comboBox->currentText().size()];
        ui->comboBox->currentText().toWCharArray(opencamera);
        wstring ss = wstring(opencamera,ui->comboBox->currentText().size());
        if(nullptr == mCamera){
            this->mCamera = new Camera(ss);
        }
        GUIDToAvFormat(mCamera->MediaType());
        mPlayerWidget->SetImgSize(mCamera->GetWidth(),mCamera->GetHeight());

        this->mCamera->SetObserver(mPlayerWidget);
        qDebug()<<ui->comboBox->currentText();
        ui->pushButton->setText("关闭摄像头");
        m_bCameraOpen = true;
        mPlayerWidget->show();
        ui->verticalLayout->insertWidget(2,mPlayerWidget,9);
        qDebug()<<ui->verticalLayout->layout();
        ui->verticalLayout->setStretch(0,1);
        ui->verticalLayout->setStretch(1,0);
        ui->verticalLayout->setStretch(2,9);
        ui->verticalLayout->setStretch(3,5);

    } else{
        m_bCameraOpen = false;
        ui->pushButton->setText("打开摄像头");
    }
}

void MainWindow::on_pushButton_2_clicked()
{
    if(!m_bRtmpPushing){
        if(!m_bCameraOpen){
            ToastWidget::showTip("请打开摄像头",this);
            return;
        }else{
            //
            if(nullptr == mVideoCoder){
                mVideoCoder = new VideoCoder(mCamera->GetWidth(),
                                             mCamera->GetHeight(),
                                             GUIDToAvFormat(mCamera->MediaType()));
            }
            mCamera->SetObserver(mVideoCoder);
            if(mPusher == nullptr)
                mPusher = new  H264RtmpPuser();
            // todo 根据返回结果判断是否推流
                qDebug()<<"连接RTMP服务器"<<ui->lineEdit->text();
                if (!mPusher->IfConnect()) {
                    const char* address = ui->lineEdit->text().toLocal8Bit().data();
                    qDebug()<<address;
                    if (0 == mPusher->RTMP264_Connect("rtmp://127.0.0.1:1935/live/1")) {
                        ToastWidget::showTip("已经连接上RTMP服务器",this->parentWidget());
                        mVideoCoder->SetOberver(mPusher);
                        mPusher->StartPush();
                        ui->pushButton_2->setText("关闭推流");
                        /*
                        if (nullptr != this->mAudioCoder) {
                            this->mAudioCoder->SetObserver(mPusher);
                            //音频流先不推流
                        }*/
                    }
                    else {
                        ToastWidget::showTip("连接RTMP服务器失败，请检查服务器地址",this->parentWidget());
                    }
                }else{
                    ToastWidget::showTip("正在推流，请先关闭",this->parentWidget());
                }
        }
    }
}

void MainWindow::on_pushButton_3_clicked()
{
    qDebug()<<ui->comboBox_2->currentText();

    mAudioCapture->InitCapture(ui->comboBox_2->currentText().toStdWString().c_str(),4800,2);

    mAudioCapture->StartCapture();
    mAudioCapture->SetObserver(this);

    mSeries->removePoints(0,mSeries->points().size());

}

void MainWindow::DetectDpi()
{
    int horizontalDPI = logicalDpiX();
    int verticalDPI  = logicalDpiY();
    mMux.lock();

    if(mBufferAudio.size() > 0){
        uint8_t *ptr = static_cast<uint8_t *>(mBufferAudio.takeLast());
        if(mSeries->points().size() > 100){
                for(int i = 0;i < 2000 ;i++){
                    int16_t *v = (int16_t*)(ptr + i*40);
                    mSeries->replace(mSeries->at(i),QPointF(i,*v));
                }
        }else{
                for(int i = 0;i < 2000 ;i++){
                    int16_t *v = (int16_t*)(ptr + i*40);
                    mSeries->append(QPointF(i,*v));
                }
        }
    }
    mMux.unlock();

}

void MainWindow::on_pushButton_4_clicked()
{
    if(!mCapScreen){
        if(nullptr == mScreenCap){
                mScreenCap = new ScreenCapture();
        }
        mScreenCap->InitCap();
        mScreenCap->InitFilter("crop=w=400:h=500:x=100:y=500");

        mScreenCap->Start(this);

        if(nullptr == mPlayerWidget){
                mPlayerWidget = new CPlayWidget(nullptr);
        }
        mPlayerWidget->SetDataType(CPlayWidget::IMG_TYPE::TYPE_RGB32);
        mPlayerWidget->SetImgSize(300,300);

        mScreenCap->SetObserver(this->mPlayerWidget);
        mPlayerWidget->show();
        ui->verticalLayout->insertWidget(2,mPlayerWidget,9);
        qDebug()<<ui->verticalLayout->layout();
        ui->verticalLayout->setStretch(0,1);
        ui->verticalLayout->setStretch(1,0);
        ui->verticalLayout->setStretch(2,9);
        ui->verticalLayout->setStretch(3,5);
        mCapScreen = true;
    }
    else{
        mScreenCap->Stop();
    }
}


void MainWindow::on_pushButton_5_clicked()
{
    if(nullptr == mScreenshot){
        mScreenshot = new ScreenShotWidget(nullptr);
        connect(mScreenshot,&ScreenShotWidget::rect_selected,
                this,[=](QRect rect){
            qDebug()<<"screen rect selected"<<rect;
        });
    }


    mScreenshot->showFullScreen();
}

void MainWindow::on_rect_selected(QRect rect)
{
    qDebug()<<"screen rect selected"<<rect;


}