Add simple videotestsrc ! xvimagesink examples using gtk and qt. This patch also
adds all boilerplate to configure for using c++. The qt based examples are
optional like their gtk counterparts.
dnl find a compiler
AC_PROG_CC
+AC_PROG_CXX
+
+dnl determine if c++ is available on this system
+AC_CHECK_PROG(HAVE_CXX, $CXX, yes, no)
+
+dnl determine c++ preprocessor
+dnl FIXME: do we need this ?
+AC_PROG_CXXCPP
dnl check if the compiler supports '-c' and '-o' options
AM_PROG_CC_C_O
HAVE_GTK_X11=yes, HAVE_GTK_X11=no)
AM_CONDITIONAL(HAVE_GTK_X11, test "x$HAVE_GTK_X11" = "xyes")
+dnl QT is optional and only used in examples
+PKG_CHECK_MODULES(QT, QtGui >= 4.0, HAVE_QT=yes, HAVE_QT=no)
+AM_CONDITIONAL(HAVE_QT, test "x$HAVE_QT" = "xyes")
+PKG_CHECK_MODULES(QT, QtGui >= 4.6, HAVE_QT_GV=yes, HAVE_QT_GV=no)
+AM_CONDITIONAL(HAVE_QT_GV, test "x$HAVE_QT_GV" = "xyes")
+
dnl *** set variables based on configure arguments ***
dnl set license and copyright notice
dnl define an ERROR_CFLAGS Makefile variable
AG_GST_SET_ERROR_CFLAGS($GST_GIT)
+dnl define an ERROR_CXXFLAGS Makefile variable
+AG_GST_SET_ERROR_CXXFLAGS($GST_GIT)
+
dnl define correct level for debugging messages
AG_GST_SET_LEVEL_DEFAULT($GST_GIT)
fi
AC_SUBST(DEPRECATED_CFLAGS)
-dnl every flag in GST_OPTION_CFLAGS can be overridden at make time
+dnl every flag in GST_OPTION_CFLAGS and GST_OPTION_CXXFLAGS can be overridden
+dnl at make time with e.g. make ERROR_CFLAGS=""
GST_OPTION_CFLAGS="\$(ERROR_CFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
+GST_OPTION_CXXFLAGS="\$(ERROR_CXXFLAGS) \$(DEBUG_CFLAGS) \$(PROFILE_CFLAGS) \$(GCOV_CFLAGS) \$(OPT_CFLAGS) \$(DEPRECATED_CFLAGS)"
AC_SUBST(GST_OPTION_CFLAGS)
+AC_SUBST(GST_OPTION_CXXFLAGS)
dnl our libraries need to be versioned correctly
AC_SUBST(GST_LT_LDFLAGS)
dnl FIXME: do we want to rename to GST_ALL_* ?
dnl add GST_OPTION_CFLAGS, but overridable
+GST_CXXFLAGS="$GST_CFLAGS \$(GST_OPTION_CXXFLAGS)"
GST_CFLAGS="$GST_CFLAGS \$(GST_OPTION_CFLAGS)"
AC_SUBST(GST_CFLAGS)
+AC_SUBST(GST_CXXFLAGS)
dnl add GCOV libs because libtool strips -fprofile-arcs -ftest-coverage
GST_LIBS="$GST_LIBS \$(GCOV_LIBS)"
AC_SUBST(GST_LIBS)
tests/examples/Makefile
tests/examples/app/Makefile
tests/examples/dynamic/Makefile
+tests/examples/overlay/Makefile
tests/examples/seek/Makefile
tests/examples/volume/Makefile
tests/examples/snapshot/Makefile
* from the video sink element. To solve this issue a #GstMessage is posted on
* the bus to inform the application that it should set the Window identifier
* immediately. Here is an example on how to do that correctly:
- * <programlisting>
+ * |[
* static GstBusSyncReply
* create_window (GstBus * bus, GstMessage * message, GstPipeline * pipeline)
* {
* gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, pipeline);
* ...
* }
- * </programlisting>
+ * ]|
* </para>
* </refsect2>
* <refsect2>
* <refsect2>
* <title>GstXOverlay and Gtk+</title>
* <para>
- * <programlisting>
+ * |[
* #include <gtk/gtk.h>
* #ifdef GDK_WINDOWING_X11
* #include <gdk/gdkx.h> // for GDK_WINDOW_XID
* gst_element_set_state (pipeline, GST_STATE_PLAYING);
* ...
* }
- * </programlisting>
+ * ]|
* </para>
* </refsect2>
* <refsect2>
* <title>GstXOverlay and Qt</title>
* <para>
- * FIXME: write me
+ * |[
+ * #include <glib.h>
+ * #include <gst/gst.h>
+ * #include <gst/interfaces/xoverlay.h>
+ *
+ * #include <QApplication>
+ * #include <QTimer>
+ * #include <QWidget>
+ *
+ * int main(int argc, char *argv[])
+ * {
+ * if (!g_thread_supported ())
+ * g_thread_init (NULL);
+ *
+ * gst_init (&argc, &argv);
+ * QApplication app(argc, argv);
+ * app.connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit ()));
+ *
+ * // prepare the pipeline
+ *
+ * GstElement *pipeline = gst_pipeline_new ("xvoverlay");
+ * GstElement *src = gst_element_factory_make ("videotestsrc", NULL);
+ * GstElement *sink = gst_element_factory_make ("xvimagesink", NULL);
+ * gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+ * gst_element_link (src, sink);
+ *
+ * // prepare the ui
+ *
+ * QWidget window;
+ * window.resize(320, 240);
+ * window.show();
+ *
+ * WId xwinid = window.winId();
+ * gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (sink), xwinid);
+ *
+ * // run the pipeline
+ *
+ * GstStateChangeReturn sret = gst_element_set_state (pipeline,
+ * GST_STATE_PLAYING);
+ * if (sret == GST_STATE_CHANGE_FAILURE) {
+ * gst_element_set_state (pipeline, GST_STATE_NULL);
+ * gst_object_unref (pipeline);
+ * // Exit application
+ * QTimer::singleShot(0, QApplication::activeWindow(), SLOT(quit()));
+ * }
+ *
+ * int ret = app.exec();
+ *
+ * window.hide();
+ * gst_element_set_state (pipeline, GST_STATE_NULL);
+ * gst_object_unref (pipeline);
+ *
+ * return ret;
+ * }
+ * ]|
* </para>
* </refsect2>
*/
GIO_SUBDIRS = gio
endif
-SUBDIRS = app $(FT2_SUBDIRS) $(GIO_SUBDIRS) volume dynamic v4l
+SUBDIRS = app $(FT2_SUBDIRS) $(GIO_SUBDIRS) volume dynamic v4l overlay
-DIST_SUBDIRS = app seek volume dynamic snapshot gio v4l
+DIST_SUBDIRS = app seek volume dynamic snapshot gio v4l overlay
--- /dev/null
+EXAMPLES =
+
+if USE_X
+
+if HAVE_GTK_X11
+EXAMPLES += gtk-xoverlay
+
+gtk_xoverlay_SOURCES = gtk-xoverlay.c
+gtk_xoverlay_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) $(X_CFLAGS) $(GTK_CFLAGS)
+gtk_xoverlay_LDADD = $(GST_LIBS) $(X_LIBS) $(LIBM) $(GTK_LIBS) \
+ $(top_builddir)/gst-libs/gst/interfaces/libgstinterfaces-$(GST_MAJORMINOR).la
+endif
+
+if HAVE_QT
+EXAMPLES += qt-xoverlay
+
+qt_xoverlay_SOURCES = qt-xoverlay.cpp
+qt_xoverlay_CXXFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CXXFLAGS) $(X_CFLAGS) $(QT_CFLAGS)
+qt_xoverlay_LDADD = $(GST_LIBS) $(X_LIBS) $(LIBM) $(QT_LIBS) \
+ $(top_builddir)/gst-libs/gst/interfaces/libgstinterfaces-$(GST_MAJORMINOR).la
+
+endif
+
+if HAVE_QT_GV
+EXAMPLES += qtgv-xoverlay
+
+qtgv_xoverlay_SOURCES = qtgv-xoverlay.cpp
+qtgv_xoverlay_CXXFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CXXFLAGS) $(X_CFLAGS) $(QT_CFLAGS)
+qtgv_xoverlay_LDADD = $(GST_LIBS) $(X_LIBS) $(LIBM) $(QT_LIBS) \
+ $(top_builddir)/gst-libs/gst/interfaces/libgstinterfaces-$(GST_MAJORMINOR).la
+
+# qt moc support, according to http://qtnode.net/wiki/Qt_with_autotools
+
+nodist_qtgv_xoverlay_SOURCES = moc_qtgv-xoverlay.cpp
+
+moc_%.cpp:%.h
+ moc $< -o $@
+
+EXTRA_DIST = $(nodist_qtgv_xoverlay_SOURCES:moc_%.cpp=%.h)
+CLEANFILES = $(nodist_qtgv_xoverlay_SOURCES)
+
+endif
+
+endif
+
+noinst_PROGRAMS = $(EXAMPLES)
+
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gtk-xoverlay: demonstrate overlay handling using gtk
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib.h>
+#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+#include <gst/gst.h>
+#include <gst/interfaces/xoverlay.h>
+
+static void
+window_closed (GtkWidget * widget, GdkEvent * event, gpointer user_data)
+{
+ GstElement *pipeline = user_data;
+
+ gtk_widget_hide_all (widget);
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gtk_main_quit ();
+}
+
+int
+main (int argc, char **argv)
+{
+ GtkWidget *window, *video_window;
+ GstElement *pipeline, *src, *sink;
+ gulong embed_xid;
+ GstStateChangeReturn sret;
+
+ if (!g_thread_supported ())
+ g_thread_init (NULL);
+
+ gst_init (&argc, &argv);
+ gtk_init (&argc, &argv);
+
+ /* prepare the pipeline */
+
+ pipeline = gst_pipeline_new ("xvoverlay");
+ src = gst_element_factory_make ("videotestsrc", NULL);
+ sink = gst_element_factory_make ("xvimagesink", NULL);
+ gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+ gst_element_link (src, sink);
+
+ /* prepare the ui */
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ g_signal_connect (G_OBJECT (window), "delete-event",
+ G_CALLBACK (window_closed), (gpointer) pipeline);
+ gtk_window_set_default_size (GTK_WINDOW (window), 320, 240);
+
+ video_window = gtk_drawing_area_new ();
+ gtk_widget_set_double_buffered (video_window, FALSE);
+ gtk_container_add (GTK_CONTAINER (window), video_window);
+
+ gtk_widget_show_all (window);
+ gtk_widget_realize (window);
+
+ embed_xid = GDK_WINDOW_XID (video_window->window);
+ gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (sink), embed_xid);
+
+ /* run the pipeline */
+
+ sret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
+ if (sret == GST_STATE_CHANGE_FAILURE)
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ else
+ gtk_main ();
+
+ gst_object_unref (pipeline);
+ return 0;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> Stefan Kost <ensonic@users.sf.net>
+ *
+ * qt-xoverlay: demonstrate overlay handling using qt
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib.h>
+#include <gst/gst.h>
+#include <gst/interfaces/xoverlay.h>
+
+#include <QApplication>
+#include <QTimer>
+#include <QWidget>
+
+int main(int argc, char *argv[])
+{
+ if (!g_thread_supported ())
+ g_thread_init (NULL);
+
+ gst_init (&argc, &argv);
+ QApplication app(argc, argv);
+ app.connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit ()));
+
+ /* prepare the pipeline */
+
+ GstElement *pipeline = gst_pipeline_new ("xvoverlay");
+ GstElement *src = gst_element_factory_make ("videotestsrc", NULL);
+ GstElement *sink = gst_element_factory_make ("xvimagesink", NULL);
+ gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+ gst_element_link (src, sink);
+
+ /* prepare the ui */
+
+ QWidget window;
+ window.resize(320, 240);
+ window.show();
+
+ WId xwinid = window.winId();
+ gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (sink), xwinid);
+
+ /* run the pipeline */
+
+ GstStateChangeReturn sret = gst_element_set_state (pipeline,
+ GST_STATE_PLAYING);
+ if (sret == GST_STATE_CHANGE_FAILURE) {
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+ /* Exit application */
+ QTimer::singleShot(0, QApplication::activeWindow(), SLOT(quit()));
+ }
+
+ int ret = app.exec();
+
+ window.hide();
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+
+ return ret;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> Alexander Bokovoy <ab@samba.org>
+ *
+ * qtgv-xoverlay: demonstrate overlay handling using qt graphics view
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "qtgv-xoverlay.h"
+
+#include <QApplication>
+#include <QTimer>
+
+#include <gst/interfaces/xoverlay.h>
+
+SinkPipeline::SinkPipeline(QGraphicsView *parent) : QObject(parent)
+{
+ pipeline = gst_pipeline_new ("xvoverlay");
+ src = gst_element_factory_make ("videotestsrc", NULL);
+ sink = gst_element_factory_make ("xvimagesink", NULL);
+ gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+ gst_element_link (src, sink);
+ xwinid = parent->winId();
+}
+
+SinkPipeline::~SinkPipeline()
+{
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+}
+
+void SinkPipeline::startPipeline()
+{
+ GstStateChangeReturn sret;
+
+ /* we know what the video sink is in this case (xvimagesink), so we can
+ * just set it directly here now (instead of waiting for a prepare-xwindow-id
+ * element message in a sync bus handler and setting it there) */
+
+ gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (sink), xwinid);
+
+ sret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
+ if (sret == GST_STATE_CHANGE_FAILURE) {
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
+ /* Exit application */
+ QTimer::singleShot(0, QApplication::activeWindow(), SLOT(quit()));
+ }
+}
+
+int main( int argc, char **argv )
+{
+ QApplication app(argc, argv);
+
+ QGraphicsScene scene;
+ scene.setSceneRect( -100.0, -100.0, 200.0, 200.0 );
+
+ QGraphicsView view( &scene );
+ view.resize(320, 240);
+ view.show();
+
+ gst_init (&argc, &argv);
+ SinkPipeline pipeline(&view);
+ pipeline.startPipeline();
+
+ int ret = app.exec();
+
+ view.hide();
+
+ return ret;
+}
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2010> Alexander Bokovoy <ab@samba.org>
+ *
+ * qtgv-xoverlay: demonstrate overlay handling using qt graphics view
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef QTGV_XOVERLAY_H
+#define QTGV_XOVERLAY_H
+
+#include <QGraphicsView>
+#include <gst/gst.h>
+
+
+class SinkPipeline : public QObject
+{
+ Q_OBJECT
+public:
+ SinkPipeline(QGraphicsView *parent = 0);
+ ~SinkPipeline();
+
+ void startPipeline();
+
+private:
+ GstElement *pipeline;
+ GstElement *sink;
+ GstElement *src;
+ WId xwinid;
+};
+
+#endif // QTGV_XOVERLAY_H
projects / platform / upstream / gstreamer.git / commitdiff