qmlglsrc: Add qmlglsrc unit test example

https://bugzilla.gnome.org/show_bug.cgi?id=768160
This commit is contained in:
Haihua Hu 2016-07-27 09:28:23 +08:00 committed by Matthew Waters
parent 669600617c
commit 2ae2b7fa80
10 changed files with 176 additions and 7 deletions

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@ -44,18 +44,15 @@ int main(int argc, char *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);
GstElement *sinkbin = gst_element_factory_make ("glsinkbin", NULL);
g_assert (src && sink && sinkbin);
g_assert (src && glupload && sink);
g_object_set (sinkbin, "sink", sink, NULL);
g_object_unref (sink);
gst_bin_add_many (GST_BIN (pipeline), src, sinkbin, NULL);
gst_element_link_many (src, sinkbin, NULL);
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")));

2
tests/examples/qt/qmlsrc/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
grabqml
qrc_qml.cpp

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@ -0,0 +1,20 @@
TEMPLATE = app
QT += qml quick widgets
QT_CONFIG -= no-pkg-config
CONFIG += link_pkgconfig debug
PKGCONFIG = \
gstreamer-1.0 \
gstreamer-video-1.0
DEFINES += GST_USE_UNSTABLE_API
INCLUDEPATH += ../lib
SOURCES += main.cpp
RESOURCES += qml.qrc
# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =

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@ -0,0 +1,80 @@
#include <QApplication>
#include <QQmlApplicationEngine>
#include <QQuickWindow>
#include <QQuickItem>
#include <QQuickView>
#include <QRunnable>
#include <QDebug>
#include <gst/gst.h>
class SetPlaying : public QRunnable
{
public:
SetPlaying(GstElement *);
~SetPlaying();
void run ();
private:
GstElement * pipeline_;
};
SetPlaying::SetPlaying (GstElement * pipeline)
{
this->pipeline_ = pipeline ? static_cast<GstElement *> (gst_object_ref (pipeline)) : NULL;
}
SetPlaying::~SetPlaying ()
{
if (this->pipeline_)
gst_object_unref (this->pipeline_);
}
void
SetPlaying::run ()
{
if (this->pipeline_)
gst_element_set_state (this->pipeline_, GST_STATE_PLAYING);
}
int main(int argc, char *argv[])
{
int ret;
QGuiApplication app(argc, argv);
gst_init (&argc, &argv);
GstElement *pipeline = gst_pipeline_new (NULL);
GstElement *src = gst_element_factory_make ("qmlglsrc", NULL);
GstElement *sink = gst_element_factory_make ("glimagesink", NULL);
g_assert (src && sink);
gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
gst_element_link_many (src, sink, NULL);
QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
QQuickWindow *rootObject;
/* find and set the QQuickWindow on the src */
rootObject = static_cast<QQuickWindow *> (engine.rootObjects().first());
g_object_set(src, "window", rootObject, NULL);
g_object_set(src, "use-default-fbo", TRUE, NULL);
/* output buffer of qmlglsrc is vertical flip, get the image orientation tag */
g_object_set(sink, "rotate-method", 8, NULL);
rootObject->scheduleRenderJob (new SetPlaying (pipeline),
QQuickWindow::BeforeSynchronizingStage);
ret = app.exec();
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gst_deinit ();
return ret;
}

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@ -0,0 +1,65 @@
import QtQuick 2.4
import QtQuick.Controls 1.1
import QtQuick.Controls.Styles 1.1
import QtQuick.Dialogs 1.1
import QtQuick.Window 2.1
ApplicationWindow {
id: window
visible: true
width: 640
height: 480
x: 30
y: 30
color: "dodgerblue"
Item {
anchors.fill: parent
Rectangle {
color: Qt.rgba(1, 1, 1, 0.7)
border.width: 1
border.color: "white"
anchors.bottomMargin: 15
anchors.horizontalCenter: parent.horizontalCenter
width : parent.width - 30
height: parent.height - 30
radius: 8
Text {
id: text1
anchors.centerIn: parent
text: "Hello World!"
font.pointSize: 24
visible: timer.tex1_visible
}
Text {
id: text2
anchors.centerIn: parent
text: "This is qmlglsrc demo!"
font.pointSize: 24
visible: timer.tex2_visible
}
Timer {
id: timer
property int count: 0
property int tex1_visible: 1
property int tex2_visible: 0
interval: 30; running: true; repeat: true
onTriggered: {
count++;
if (count%2 == 0) {
tex1_visible = 1;
tex2_visible = 0;
}
else {
tex1_visible = 0;
tex2_visible = 1;
}
}
}
}
}
}

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@ -0,0 +1,5 @@
<RCC>
<qresource prefix="/">
<file>main.qml</file>
</qresource>
</RCC>