cleanup and making it work on raspberry pi

device.sh

@@ -1,15 +1,12 @@
 #!/bin/sh
 # this is special script for running on jetson nano
 
-export QT_DEBUG_PLUGINS=1
-
 export QT_QPA_EGLFS_DEBUG=1
 # the below will run on kms. it will not work on X11/desktop environment
 # export QT_QPA_EGLFS_INTEGRATION=eglfs_kms
 export QT_QPA_EGLFS_HIDECURSOR=1
 
 export GST_DEBUG=2
-export QT_QPA_EGLFS_DEBUG=1
 
 rm -rf build
 mkdir build

main.cpp

@@ -1,12 +1,11 @@
 #include <QApplication>
 #include <QQmlApplicationEngine>
-#include <QQuickWindow>
 #include <QQuickItem>
+#include <QQuickWindow>
 #include <QRunnable>
 #include <gst/gst.h>
 
-class SetPlaying : public QRunnable
-{
+class SetPlaying : public QRunnable {
 public:
   SetPlaying(GstElement *);
   ~SetPlaying();
@@ -17,67 +16,30 @@ private:
   GstElement *pipeline_;
 };
 
-SetPlaying::SetPlaying (GstElement * pipeline)
-{
-  this->pipeline_ = pipeline ? static_cast<GstElement *> (gst_object_ref (pipeline)) : NULL;
+SetPlaying::SetPlaying(GstElement *pipeline) {
+  this->pipeline_ =
+      pipeline ? static_cast<GstElement *>(gst_object_ref(pipeline)) : NULL;
 }
 
-SetPlaying::~SetPlaying ()
-{
+SetPlaying::~SetPlaying() {
   if (this->pipeline_)
     gst_object_unref(this->pipeline_);
 }
 
-void
-SetPlaying::run ()
-{
+void SetPlaying::run() {
   if (this->pipeline_)
     gst_element_set_state(this->pipeline_, GST_STATE_PLAYING);
 }
 
-int main(int argc, char *argv[])
-{
+int main(int argc, char *argv[]) {
   int ret;
 
-  gst_init (&argc, &argv);
-
-  {
   QGuiApplication app(argc, argv);
 
-    // GstElement *pipeline = gst_pipeline_new (NULL);
-    // GstElement *src = gst_element_factory_make ("videotestsrc", NULL);
-    // GstElement *glupload = gst_element_factory_make ("glupload", NULL);
-    // /* the plugin must be loaded before loading the qml file to register the
-    //  * GstGLVideoItem qml item */
-    // GstElement *sink = gst_element_factory_make ("qmlglsink", NULL);
-    //
-    // g_assert (src && glupload && sink);
-    //
-    // gst_bin_add_many (GST_BIN (pipeline), src, glupload, sink, NULL);
-    // gst_element_link_many (src, glupload, sink, NULL);
-
   QQmlApplicationEngine engine;
   engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
 
-    // QQuickItem *videoItem;
-    // QQuickWindow *rootObject;
-    //
-    // /* find and set the videoItem on the sink */
-    // rootObject = static_cast<QQuickWindow *> (engine.rootObjects().first());
-    // videoItem = rootObject->findChild<QQuickItem *> ("videoItem");
-    // g_assert (videoItem);
-    // g_object_set(sink, "widget", videoItem, NULL);
-    //
-    // rootObject->scheduleRenderJob (new SetPlaying (pipeline),
-    //     QQuickWindow::BeforeSynchronizingStage);
-
   ret = app.exec();
 
-    // gst_element_set_state (pipeline, GST_STATE_PAUSED);
-    // gst_object_unref (pipeline);
-  }
-
-  gst_deinit ();
-
   return ret;
 }

main.qml

@@ -30,11 +30,11 @@ ApplicationWindow {
         MediaPlayer {
             id: player
             autoPlay: true
-            source: "gst-pipeline: videotestsrc ! qtvideosink"
+            source: "gst-pipeline: videotestsrc ! videoconvert ! qtvideosink"
         }
 
         VideoOutput {
-            id: videoOutput
+            id: output
             anchors.fill: parent
             source: player
         }
@@ -43,7 +43,6 @@ ApplicationWindow {
             color: "red"
             border.width: 1
             border.color: "white"
-            anchors.bottom: video.bottom
             anchors.bottomMargin: 15
             anchors.horizontalCenter: parent.horizontalCenter
             width : parent.width - 100