Fix video sending

core.cpp

@@ -33,10 +33,14 @@ const QString Core::CONFIG_FILE_NAME = "data";
 QList<ToxFile> Core::fileSendQueue;
 QList<ToxFile> Core::fileRecvQueue;
 ToxCall Core::calls[TOXAV_MAX_CALLS];
+const int Core::videobufsize{TOXAV_MAX_VIDEO_WIDTH * TOXAV_MAX_VIDEO_HEIGHT * 4};
+uint8_t* Core::videobuf;
 
 Core::Core(Camera* cam, QThread *coreThread) :
     tox(nullptr), camera(cam)
 {
+    videobuf = new uint8_t[videobufsize];
+
     toxTimer = new QTimer(this);
     toxTimer->setSingleShot(true);
     //saveTimer = new QTimer(this);
@@ -70,6 +74,12 @@ Core::~Core()
         toxav_kill(toxav);
         tox_kill(tox);
     }
+
+    if (videobuf)
+    {
+        delete[] videobuf;
+        videobuf=nullptr;
+    }
 }
 
 void Core::start()
@@ -1171,8 +1181,8 @@ void Core::prepareCall(int friendId, int callId, ToxAv* toxav, bool videoEnabled
     calls[callId].callId = callId;
     calls[callId].friendId = friendId;
     calls[callId].codecSettings = av_DefaultSettings;
-    calls[callId].codecSettings.max_video_width = TOXAV_VIDEO_WIDTH;
-    calls[callId].codecSettings.max_video_height = TOXAV_VIDEO_HEIGHT;
+    calls[callId].codecSettings.max_video_width = TOXAV_MAX_VIDEO_WIDTH;
+    calls[callId].codecSettings.max_video_height = TOXAV_MAX_VIDEO_HEIGHT;
     calls[callId].videoEnabled = videoEnabled;
     toxav_prepare_transmission(toxav, callId, &calls[callId].codecSettings, videoEnabled);
 
@@ -1316,15 +1326,14 @@ void Core::sendCallVideo(int callId)
     if (!calls[callId].active || !calls[callId].videoEnabled)
         return;
 
-    static const int bufsize = TOXAV_MAX_VIDEO_WIDTH * TOXAV_MAX_VIDEO_HEIGHT * 4;
-    static uint8_t* videobuf = new uint8_t[bufsize];
     vpx_image frame = camera->getLastVPXImage();
     if (frame.w && frame.h)
     {
         int result;
-        if((result = toxav_prepare_video_frame(toxav, callId, videobuf, bufsize, &frame)) < 0)
+        if((result = toxav_prepare_video_frame(toxav, callId, videobuf, videobufsize, &frame)) < 0)
         {
             qDebug() << QString("Core: toxav_prepare_video_frame: error %1").arg(result);
+            vpx_img_free(&frame);
             calls[callId].sendVideoTimer->start();
             return;
         }
@@ -1332,9 +1341,7 @@ void Core::sendCallVideo(int callId)
         if((result = toxav_send_video(toxav, callId, (uint8_t*)videobuf, result)) < 0)
             qDebug() << QString("Core: toxav_send_video error: %1").arg(result);
 
-
-        emit Widget::getInstance()->getCore()->videoFrameReceived(frame);
-
+        vpx_img_free(&frame);
     }
     else
         qDebug("Core::sendCallVideo: Invalid frame (bad camera ?)");

core.h

@@ -44,8 +44,6 @@
 // TODO: Put that in the settings
 #define TOXAV_MAX_VIDEO_WIDTH 1600
 #define TOXAV_MAX_VIDEO_HEIGHT 1200
-#define TOXAV_VIDEO_WIDTH 640
-#define TOXAV_VIDEO_HEIGHT 480
 
 class Camera;
 
@@ -289,6 +287,8 @@ private:
     static ToxCall calls[TOXAV_MAX_CALLS];
 
     static const QString CONFIG_FILE_NAME;
+    static const int videobufsize;
+    static uint8_t* videobuf;
 };
 
 #endif // CORE_HPP

widget/camera.cpp

@@ -231,6 +231,7 @@ QImage Camera::getLastImage()
 vpx_image Camera::getLastVPXImage()
 {
     vpx_image img;
+    img.w = img.h = 0;
     if (!lastFrame.isValid())
         return img;
     if (!lastFrame.map(QAbstractVideoBuffer::ReadOnly))

widget/netcamview.cpp

@@ -32,6 +32,10 @@ NetCamView::NetCamView(QWidget* parent)
 void NetCamView::updateDisplay(vpx_image frame)
 {
     int w = frame.d_w, h = frame.d_h;
+
+    if (!frame.w || !frame.h || !w || !h)
+        return;
+
     int bpl = frame.stride[VPX_PLANE_Y], cxbpl = frame.stride[VPX_PLANE_V];
     QImage img(w, h, QImage::Format_RGB32);
 
@@ -55,6 +59,6 @@ void NetCamView::updateDisplay(vpx_image frame)
         }
     }
 
-    lastFrame = img;
+    vpx_img_free(&frame);
     displayLabel->setPixmap(QPixmap::fromImage(img));
 }

widget/videosurface.cpp

@@ -22,7 +22,7 @@
 VideoSurface::VideoSurface()
     : QAbstractVideoSurface()
 {
-    vpx_img_alloc(&input, VPX_IMG_FMT_YV12, TOXAV_VIDEO_WIDTH, TOXAV_VIDEO_HEIGHT, 1);
+    vpx_img_alloc(&input, VPX_IMG_FMT_YV12, TOXAV_MAX_VIDEO_WIDTH, TOXAV_MAX_VIDEO_HEIGHT, 1);
 }
 
 bool VideoSurface::start(const QVideoSurfaceFormat &format)