feat: add screenshot

QtScrcpy/device/decoder/avframeconvert.cpp

@@ -12,7 +12,7 @@ AVFrameConvert::~AVFrameConvert()
 
 }
 
-void AVFrameConvert::setSrcFrameInfo(quint32 srcWidth, quint32 srcHeight, AVPixelFormat srcFormat)
+void AVFrameConvert::setSrcFrameInfo(int srcWidth, int srcHeight, AVPixelFormat srcFormat)
 {
     m_srcWidth = srcWidth;
     m_srcHeight = srcHeight;
@@ -20,21 +20,21 @@ void AVFrameConvert::setSrcFrameInfo(quint32 srcWidth, quint32 srcHeight, AVPixe
     qDebug() << "Convert::src frame info " << srcWidth << "x" << srcHeight;
 }
 
-void AVFrameConvert::getSrcFrameInfo(quint32& srcWidth, quint32& srcHeight, AVPixelFormat& srcFormat)
+void AVFrameConvert::getSrcFrameInfo(int& srcWidth, int& srcHeight, AVPixelFormat& srcFormat)
 {
     srcWidth = m_srcWidth;
     srcHeight = m_srcHeight;
     srcFormat = m_srcFormat;    
 }
 
-void AVFrameConvert::setDstFrameInfo(quint32 dstWidth, quint32 dstHeight, AVPixelFormat dstFormat)
+void AVFrameConvert::setDstFrameInfo(int dstWidth, int dstHeight, AVPixelFormat dstFormat)
 {
     m_dstWidth = dstWidth;
     m_dstHeight = dstHeight;
     m_dstFormat = dstFormat;
 }
 
-void AVFrameConvert::getDstFrameInfo(quint32& dstWidth, quint32& dstHeight, AVPixelFormat& dstFormat)
+void AVFrameConvert::getDstFrameInfo(int& dstWidth, int& dstHeight, AVPixelFormat& dstFormat)
 {
     dstWidth = m_dstWidth;
     dstHeight = m_dstHeight;
@@ -67,12 +67,15 @@ void AVFrameConvert::deInit()
     }
 }
 
-bool AVFrameConvert::convert(AVFrame* srcFrame, AVFrame* dstFrame)
+bool AVFrameConvert::convert(const AVFrame* srcFrame, AVFrame* dstFrame)
 {
     if(!m_convertCtx || !srcFrame || !dstFrame) {
         return false;
     }
-    qint32 ret = sws_scale(m_convertCtx, (const uint8_t* const*)srcFrame->data, srcFrame->linesize, 0, m_srcHeight, dstFrame->data, dstFrame->linesize);    
+    qint32 ret = sws_scale(m_convertCtx,
+                           static_cast<const uint8_t* const*>(srcFrame->data),
+                           srcFrame->linesize, 0, m_srcHeight, dstFrame->data,
+                           dstFrame->linesize);
     if (0 == ret) {
         return false;
     }

QtScrcpy/device/decoder/avframeconvert.h

@@ -16,22 +16,22 @@ public:
     virtual ~AVFrameConvert();
 
 public:
-    void setSrcFrameInfo(quint32 srcWidth, quint32 srcHeight, AVPixelFormat srcFormat);
+    void setSrcFrameInfo(int srcWidth, int srcHeight, AVPixelFormat srcFormat);
-    void getSrcFrameInfo(quint32& srcWidth, quint32& srcHeight, AVPixelFormat& srcFormat);
+    void getSrcFrameInfo(int& srcWidth, int& srcHeight, AVPixelFormat& srcFormat);
-    void setDstFrameInfo(quint32 dstWidth, quint32 dstHeight, AVPixelFormat dstFormat);
+    void setDstFrameInfo(int dstWidth, int dstHeight, AVPixelFormat dstFormat);
-    void getDstFrameInfo(quint32& dstWidth, quint32& dstHeight, AVPixelFormat& dstFormat);
+    void getDstFrameInfo(int& dstWidth, int& dstHeight, AVPixelFormat& dstFormat);
 
     bool init();
     bool isInit();
     void deInit();
-    bool convert(AVFrame* srcFrame, AVFrame* dstFrame);
+    bool convert(const AVFrame* srcFrame, AVFrame* dstFrame);
 
 private:
-    quint32 m_srcWidth = 0;
+    int m_srcWidth = 0;
-    quint32 m_srcHeight = 0;
+    int m_srcHeight = 0;
     AVPixelFormat m_srcFormat = AV_PIX_FMT_NONE;
-    quint32 m_dstWidth = 0;
+    int m_dstWidth = 0;
-    quint32 m_dstHeight = 0;
+    int m_dstHeight = 0;
     AVPixelFormat m_dstFormat = AV_PIX_FMT_NONE;
 
     struct SwsContext *m_convertCtx = Q_NULLPTR;

QtScrcpy/device/device.cpp

@@ -1,5 +1,6 @@
 #include <QTimer>
 #include <QMessageBox>
+#include <QDir>
 
 #include "device.h"
 #include "recorder.h"
@@ -11,6 +12,11 @@
 #include "videoform.h"
 #include "controller.h"
 #include "config.h"
+#include "avframeconvert.h"
+extern "C"
+{
+#include "libavutil/imgutils.h"
+}
 
 Device::Device(DeviceParams params, QObject *parent)
     : QObject(parent)
@@ -97,10 +103,16 @@ void Device::updateScript(QString script)
     }
 }
 
+void Device::onScreenshot()
+{
+    m_screenshot = true;
+}
+
 void Device::initSignals()
 {
     if (m_controller && m_videoForm) {
         connect(m_controller, &Controller::grabCursor, m_videoForm, &VideoForm::onGrabCursor);
+        connect(m_videoForm, &VideoForm::screenshot, this, &Device::onScreenshot);
     }
     if (m_videoForm) {
         connect(m_videoForm, &VideoForm::destroyed, this, [this](QObject *obj){
@@ -138,7 +150,7 @@ void Device::initSignals()
         });
         connect(m_server, &Server::connectToResult, this, [this](bool success, const QString &deviceName, const QSize &size){
             if (success) {
-                float diff = m_startTimeCount.elapsed() / 1000.0f;
+                double diff = m_startTimeCount.elapsed() / 1000.0;
                 qInfo(QString("server start finish in %1s").arg(diff).toStdString().c_str());
 
                 // update ui
@@ -189,6 +201,12 @@ void Device::initSignals()
             if (m_videoForm) {
                 m_videoForm->updateRender(frame);
             }
+
+            // screenshot
+            if (m_screenshot) {
+                saveFrame(frame);
+                m_screenshot = false;
+            }
             m_vb->unLock();
         },Qt::QueuedConnection);
     }
@@ -216,3 +234,56 @@ void Device::startServer()
         m_server->start(params);
     });
 }
+
+bool Device::saveFrame(const AVFrame* frame)
+{
+    if (!frame) {
+        return false;
+    }
+
+    // create buffer
+    QImage rgbImage(frame->width, frame->height, QImage::Format_RGB32);
+    AVFrame* rgbFrame = av_frame_alloc();
+    if (!rgbFrame) {
+        return false;
+    }
+
+    // bind buffer to AVFrame
+    av_image_fill_arrays(rgbFrame->data, rgbFrame->linesize, rgbImage.bits(), AV_PIX_FMT_RGB32, frame->width, frame->height, 4);
+
+    // convert
+    AVFrameConvert convert;
+    convert.setSrcFrameInfo(frame->width, frame->height, AV_PIX_FMT_YUV420P);
+    convert.setDstFrameInfo(frame->width, frame->height, AV_PIX_FMT_RGB32);
+    bool ret = false;
+    ret = convert.init();
+    if (!ret) {
+        return false;
+    }
+    ret = convert.convert(frame, rgbFrame);
+    if (!ret) {
+        return false;
+    }
+    convert.deInit();
+    av_free(rgbFrame);
+
+    // save
+    QString absFilePath;
+    QString fileDir(Config::getInstance().getRecordPath());
+    if (fileDir.isEmpty()) {
+        qWarning() << "please select record path!!!";
+        return false;
+    }
+    QDateTime dateTime = QDateTime::currentDateTime();
+    QString fileName = dateTime.toString("_yyyyMMdd_hhmmss_zzz");
+    fileName = Config::getInstance().getTitle() + fileName + ".jpg";
+    QDir dir(fileDir);
+    absFilePath = dir.absoluteFilePath(fileName);
+    ret = rgbImage.save(absFilePath);
+    if (!ret) {
+        return false;
+    }
+
+    qInfo() << "screenshot save to " << absFilePath;
+    return true;
+}

QtScrcpy/device/device.h

@@ -12,6 +12,7 @@ class FileHandler;
 class Stream;
 class VideoForm;
 class Controller;
+struct AVFrame;
 class Device : public QObject
 {
     Q_OBJECT
@@ -40,9 +41,13 @@ public:
 signals:
     void deviceDisconnect(QString serial);
 
+public slots:
+    void onScreenshot();
+
 private:
     void initSignals();
     void startServer();
+    bool saveFrame(const AVFrame* frame);
 
 private:
     // server relevant
@@ -59,6 +64,8 @@ private:
 
     QTime m_startTimeCount;
     DeviceParams m_params;
+
+    bool m_screenshot = false;
 };
 
 #endif // DEVICE_H

QtScrcpy/device/ui/toolform.cpp

@@ -20,9 +20,6 @@ ToolForm::ToolForm(QWidget* adsorbWidget, AdsorbPositions adsorbPos)
     m_videoForm = dynamic_cast<VideoForm*>(adsorbWidget);
 
     initStyle();
-
-    // TODO
-    ui->screenShotBtn->hide();
 }
 
 ToolForm::~ToolForm()
@@ -123,7 +120,7 @@ void ToolForm::on_powerBtn_clicked()
 
 void ToolForm::on_screenShotBtn_clicked()
 {
-    // TODO
+    emit screenshot();
 }
 
 void ToolForm::on_volumeUpBtn_clicked()

QtScrcpy/device/ui/toolform.h

@@ -27,6 +27,9 @@ protected:
     void showEvent(QShowEvent *event);
     void hideEvent(QHideEvent *event);
 
+signals:
+    void screenshot();
+
 private slots:
     void on_fullScreenBtn_clicked();
 

QtScrcpy/device/ui/videoform.cpp

@@ -93,6 +93,8 @@ void VideoForm::showToolForm(bool show)
     if (!m_toolForm) {
         m_toolForm = new ToolForm(this, ToolForm::AP_OUTSIDE_RIGHT);
         m_toolForm->move(pos().x() + geometry().width(), pos().y() + 30);
+
+        connect(m_toolForm, &ToolForm::screenshot, this, &VideoForm::screenshot);
     }
     m_toolForm->setVisible(show);
 }

QtScrcpy/device/ui/videoform.h

@@ -29,6 +29,9 @@ public:
     void setFileHandler(FileHandler *fileHandler);
     void setSerial(const QString &serial);
 
+signals:
+    void screenshot();
+
 public slots:
     void onGrabCursor(bool grab);
 

QtScrcpy/dialog.h

@@ -51,6 +51,7 @@ private slots:
     void on_stopAllServerBtn_clicked();
 
     void on_refreshGameScriptBtn_clicked();
+
     void on_applyScriptBtn_clicked();
 
 private: