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cairooverlay: Remove unnecessary gtk/gtk-x11 use in example.

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This removes code, and allows the example to be used on any platform.

Fixes bug #643981.
This commit is contained in:
Jon Nordby 2011-03-05 23:22:58 +00:00 committed by Sebastian Dröge
parent 910a6f0c96
commit 92808b1010
3 changed files with 7 additions and 81 deletions
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4
tests/examples/Makefile.am
View file

@ -5,14 +5,10 @@ JACK_DIR=
endif
if USE_CAIRO_GOBJECT
if HAVE_GTK_X11
CAIRO_DIR=cairo
else
CAIRO_DIR=
endif
else
CAIRO_DIR=
endif
SUBDIRS = audiofx equalizer $(JACK_DIR) level pulse \
rtp shapewipe spectrum v4l2 $(CAIRO_DIR)

9
tests/examples/cairo/Makefile.am
View file

@ -1,12 +1,7 @@
if USE_CAIRO_GOBJECT
if HAVE_GTK_X11
noinst_PROGRAMS = cairo_overlay
endif
endif
cairo_overlay_SOURCES = cairo_overlay.c
cairo_overlay_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) \
$(GTK_CFLAGS) $(CAIRO_CFLAGS)
cairo_overlay_LDFLAGS = \
$(GST_LIBS) -lgstinterfaces-0.10 -lgstvideo-$(GST_MAJORMINOR) \
$(GTK_LIBS) $(CAIRO_LIBS)
cairo_overlay_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) $(CAIRO_CFLAGS)
cairo_overlay_LDFLAGS = -lgstvideo-$(GST_MAJORMINOR) $(CAIRO_LIBS)

75
tests/examples/cairo/cairo_overlay.c
View file

@ -19,73 +19,15 @@
/*
* Example showing usage of the cairooverlay element
*
* Note: The example program not run on non-X11 platforms because
* it is using the xvimageoverlay element. That part of the code was
* roughly based on gst_x_overlay documentation.
*/
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/interfaces/xoverlay.h>
#include <cairo.h>
#include <cairo-gobject.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
static gulong video_window_xid = 0;
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, gpointer user_data)
{
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
return GST_BUS_PASS;
if (!gst_structure_has_name (message->structure, "prepare-xwindow-id"))
return GST_BUS_PASS;
if (video_window_xid != 0) {
GstXOverlay *xoverlay;
xoverlay = GST_X_OVERLAY (GST_MESSAGE_SRC (message));
gst_x_overlay_set_window_handle (xoverlay, video_window_xid);
} else {
g_warning ("Should have obtained video_window_xid by now!");
}
gst_message_unref (message);
return GST_BUS_DROP;
}
static void
video_widget_realize_cb (GtkWidget * widget, gpointer data)
{
video_window_xid = GDK_WINDOW_XID (widget->window);
}
static GtkWidget *
setup_gtk_window (void)
{
GtkWidget *video_window;
GtkWidget *app_window;
app_window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
video_window = gtk_drawing_area_new ();
g_signal_connect (video_window, "realize",
G_CALLBACK (video_widget_realize_cb), NULL);
gtk_widget_set_double_buffered (video_window, FALSE);
gtk_container_add (GTK_CONTAINER (app_window), video_window);
gtk_widget_show_all (app_window);
gtk_widget_realize (app_window);
g_assert (video_window_xid != 0);
return app_window;
}
#include <glib.h>
/* Datastructure to share the state we are interested in between
* prepare and render function. */
@ -137,7 +79,6 @@ setup_gst_pipeline (CairoOverlayState * overlay_state)
GstElement *pipeline;
GstElement *cairo_overlay;
GstElement *source, *adaptor1, *adaptor2, *sink;
GstBus *bus;
pipeline = gst_pipeline_new ("cairo-overlay-example");
@ -146,7 +87,7 @@ setup_gst_pipeline (CairoOverlayState * overlay_state)
adaptor1 = gst_element_factory_make ("ffmpegcolorspace", "adaptor1");
cairo_overlay = gst_element_factory_make ("cairooverlay", "overlay");
adaptor2 = gst_element_factory_make ("ffmpegcolorspace", "adaptor2");
sink = gst_element_factory_make ("xvimagesink", "sink");
sink = gst_element_factory_make ("autovideosink", "sink");
/* If failing, the element could not be created */
g_assert (cairo_overlay);
@ -165,31 +106,25 @@ setup_gst_pipeline (CairoOverlayState * overlay_state)
g_warning ("Failed to link elements!");
}
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_set_sync_handler (bus, (GstBusSyncHandler) bus_sync_handler, NULL);
gst_object_unref (bus);
return pipeline;
}
int
main (int argc, char **argv)
{
GtkWidget *window;
GMainLoop *loop;
GstElement *pipeline;
CairoOverlayState *overlay_state;
gtk_init (&argc, &argv);
gst_init (&argc, &argv);
loop = g_main_loop_new (NULL, FALSE);
window = setup_gtk_window ();
overlay_state = g_new0 (CairoOverlayState, 1);
pipeline = setup_gst_pipeline (overlay_state);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
gtk_main ();
g_main_loop_run (loop);
gst_object_unref (pipeline);
gtk_widget_destroy (GTK_WIDGET (window));
g_free (overlay_state);
}