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tests/examples: add a waylandsink example

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=748322
This commit is contained in:
George Kiagiadakis 2015-10-26 16:24:40 +01:00
parent c51fe83d42
commit 3eeec2836a
6 changed files with 402 additions and 2 deletions
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1
.gitignore vendored
View file

@ -65,6 +65,7 @@ gst*orc.h
/tests/examples/opencv/gsthanddetect_test
/tests/examples/opencv/gstfacedetect_test
/tests/examples/playout
/tests/examples/waylandsink/gtkwaylandsink
Build
*.user

1
configure.ac
View file

@ -3559,6 +3559,7 @@ tests/examples/mpegts/Makefile
tests/examples/mxf/Makefile
tests/examples/opencv/Makefile
tests/examples/uvch264/Makefile
tests/examples/waylandsink/Makefile
tests/icles/Makefile
ext/voamrwbenc/Makefile
ext/voaacenc/Makefile

15
tests/examples/Makefile.am
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@ -40,6 +40,16 @@ else
GTK3_DIR=
endif
if USE_WAYLAND
if HAVE_GTK3
WAYLAND_DIR=waylandsink
else
WAYLAND_DIR=
endif
else
WAYLAND_DIR=
endif
noinst_PROGRAMS = playout
playout_SOURCES = playout.c
@ -47,7 +57,8 @@ playout_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
playout_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) $(GST_LIBS)
SUBDIRS= codecparsers mpegts $(DIRECTFB_DIR) $(GTK_EXAMPLES) $(OPENCV_EXAMPLES) \
$(GL_DIR) $(GTK3_DIR) $(AVSAMPLE_DIR)
DIST_SUBDIRS= codecparsers mpegts camerabin2 directfb mxf opencv uvch264 gl gtk avsamplesink
$(GL_DIR) $(GTK3_DIR) $(AVSAMPLE_DIR) $(WAYLAND_DIR)
DIST_SUBDIRS= codecparsers mpegts camerabin2 directfb mxf opencv uvch264 gl gtk \
avsamplesink waylandsink
include $(top_srcdir)/common/parallel-subdirs.mak

9
tests/examples/waylandsink/Makefile.am Normal file
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@ -0,0 +1,9 @@
noinst_PROGRAMS = gtkwaylandsink
gtkwaylandsink_SOURCES = main.c
gtkwaylandsink_CFLAGS=-I$(top_srcdir)/gst-libs -I$(top_builddir)/gst-libs \
$(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) $(GTK3_CFLAGS)
gtkwaylandsink_LDADD=$(GTK3_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GST_LIBS) \
-lgstvideo-$(GST_API_VERSION) \
-L$(top_srcdir)/gst-libs/gst/wayland -lgstwayland-$(GST_API_VERSION)

279
tests/examples/waylandsink/main.c Normal file
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@ -0,0 +1,279 @@
/*
* Copyright (C) 2014-2015 Collabora Ltd.
* @author George Kiagiadakis <george.kiagiadakis@collabora.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/gst.h>
#include <gtk/gtk.h>
#include <gdk/gdk.h>
#ifdef GDK_WINDOWING_WAYLAND
#include <gdk/gdkwayland.h>
#else
#error "Wayland is not supported in GTK+"
#endif
#include <gst/video/videooverlay.h>
#include <gst/wayland/wayland.h>
static gboolean live = FALSE;
static GOptionEntry entries[] = {
{"live", 'l', 0, G_OPTION_ARG_NONE, &live, "Use a live source", NULL},
{NULL}
};
typedef struct
{
GtkWidget *app_widget;
GtkWidget *video_widget;
GstElement *pipeline;
GstVideoOverlay *overlay;
gchar **argv;
gint current_uri; /* index for argv */
} DemoApp;
static void
on_about_to_finish (GstElement * playbin, DemoApp * d)
{
if (d->argv[++d->current_uri] == NULL)
d->current_uri = 1;
g_print ("Now playing %s\n", d->argv[d->current_uri]);
g_object_set (playbin, "uri", d->argv[d->current_uri], NULL);
}
static void
error_cb (GstBus * bus, GstMessage * msg, gpointer user_data)
{
DemoApp *d = user_data;
gchar *debug = NULL;
GError *err = NULL;
gst_message_parse_error (msg, &err, &debug);
g_print ("Error: %s\n", err->message);
g_error_free (err);
if (debug) {
g_print ("Debug details: %s\n", debug);
g_free (debug);
}
gst_element_set_state (d->pipeline, GST_STATE_NULL);
}
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, gpointer user_data)
{
DemoApp *d = user_data;
if (gst_is_wayland_display_handle_need_context_message (message)) {
GstContext *context;
GdkDisplay *display;
struct wl_display *display_handle;
display = gtk_widget_get_display (d->video_widget);
display_handle = gdk_wayland_display_get_wl_display (display);
context = gst_wayland_display_handle_context_new (display_handle);
gst_element_set_context (GST_ELEMENT (GST_MESSAGE_SRC (message)), context);
goto drop;
} else if (gst_is_video_overlay_prepare_window_handle_message (message)) {
GtkAllocation allocation;
GdkWindow *window;
struct wl_surface *window_handle;
/* GST_MESSAGE_SRC (message) will be the overlay object that we have to
* use. This may be waylandsink, but it may also be playbin. In the latter
* case, we must make sure to use playbin instead of waylandsink, because
* playbin resets the window handle and render_rectangle after restarting
* playback and the actual window size is lost */
d->overlay = GST_VIDEO_OVERLAY (GST_MESSAGE_SRC (message));
gtk_widget_get_allocation (d->video_widget, &allocation);
window = gtk_widget_get_window (d->video_widget);
window_handle = gdk_wayland_window_get_wl_surface (window);
g_print ("setting window handle and size (%d x %d)\n",
allocation.width, allocation.height);
gst_video_overlay_set_window_handle (d->overlay, (guintptr) window_handle);
gst_video_overlay_set_render_rectangle (d->overlay, allocation.x,
allocation.y, allocation.width, allocation.height);
goto drop;
}
return GST_BUS_PASS;
drop:
gst_message_unref (message);
return GST_BUS_DROP;
}
/* We use the "draw" callback to change the size of the sink
* because the "configure-event" is only sent to top-level widgets. */
static gboolean
video_widget_draw_cb (GtkWidget * widget, cairo_t * cr, gpointer user_data)
{
DemoApp *d = user_data;
GtkAllocation allocation;
gtk_widget_get_allocation (widget, &allocation);
g_print ("draw_cb x %d, y %d, w %d, h %d\n",
allocation.x, allocation.y, allocation.width, allocation.height);
if (d->overlay) {
gst_video_overlay_set_render_rectangle (d->overlay, allocation.x,
allocation.y, allocation.width, allocation.height);
}
/* There is no need to call gst_video_overlay_expose().
* The wayland compositor can always re-draw the window
* based on its last contents if necessary */
return FALSE;
}
static void
playing_clicked_cb (GtkButton * button, DemoApp * d)
{
gst_element_set_state (d->pipeline, GST_STATE_PLAYING);
}
static void
paused_clicked_cb (GtkButton * button, DemoApp * d)
{
gst_element_set_state (d->pipeline, GST_STATE_PAUSED);
}
static void
ready_clicked_cb (GtkButton * button, DemoApp * d)
{
gst_element_set_state (d->pipeline, GST_STATE_READY);
}
static void
null_clicked_cb (GtkButton * button, DemoApp * d)
{
gst_element_set_state (d->pipeline, GST_STATE_NULL);
}
static void
build_window (DemoApp * d)
{
GtkBuilder *builder;
GtkWidget *button;
GError *error = NULL;
builder = gtk_builder_new ();
if (!gtk_builder_add_from_file (builder, "window.ui", &error)) {
g_error ("Failed to load window.ui: %s", error->message);
g_error_free (error);
goto exit;
}
d->app_widget = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
g_object_ref (d->app_widget);
g_signal_connect (d->app_widget, "destroy", G_CALLBACK (gtk_main_quit), NULL);
d->video_widget = GTK_WIDGET (gtk_builder_get_object (builder, "videoarea"));
g_signal_connect (d->video_widget, "draw",
G_CALLBACK (video_widget_draw_cb), d);
button = GTK_WIDGET (gtk_builder_get_object (builder, "button_playing"));
g_signal_connect (button, "clicked", G_CALLBACK (playing_clicked_cb), d);
button = GTK_WIDGET (gtk_builder_get_object (builder, "button_paused"));
g_signal_connect (button, "clicked", G_CALLBACK (paused_clicked_cb), d);
button = GTK_WIDGET (gtk_builder_get_object (builder, "button_ready"));
g_signal_connect (button, "clicked", G_CALLBACK (ready_clicked_cb), d);
button = GTK_WIDGET (gtk_builder_get_object (builder, "button_null"));
g_signal_connect (button, "clicked", G_CALLBACK (null_clicked_cb), d);
gtk_widget_show_all (d->app_widget);
exit:
g_object_unref (builder);
}
int
main (int argc, char **argv)
{
DemoApp *d;
GOptionContext *context;
GstBus *bus;
GError *error = NULL;
gtk_init (&argc, &argv);
gst_init (&argc, &argv);
context = g_option_context_new ("- waylandsink gtk demo");
g_option_context_add_main_entries (context, entries, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error)) {
g_printerr ("option parsing failed: %s\n", error->message);
return 1;
}
d = g_slice_new0 (DemoApp);
build_window (d);
if (argc > 1) {
d->argv = argv;
d->current_uri = 1;
d->pipeline = gst_parse_launch ("playbin video-sink=waylandsink", NULL);
g_object_set (d->pipeline, "uri", argv[d->current_uri], NULL);
/* enable looping */
g_signal_connect (d->pipeline, "about-to-finish",
G_CALLBACK (on_about_to_finish), d);
} else {
if (live) {
d->pipeline = gst_parse_launch ("videotestsrc pattern=18 "
"background-color=0x000062FF is-live=true ! waylandsink", NULL);
} else {
d->pipeline = gst_parse_launch ("videotestsrc pattern=18 "
"background-color=0x000062FF ! waylandsink", NULL);
}
}
bus = gst_pipeline_get_bus (GST_PIPELINE (d->pipeline));
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message::error", G_CALLBACK (error_cb), d);
gst_bus_set_sync_handler (bus, bus_sync_handler, d, NULL);
gst_object_unref (bus);
gst_element_set_state (d->pipeline, GST_STATE_PLAYING);
gtk_main ();
gst_element_set_state (d->pipeline, GST_STATE_NULL);
gst_object_unref (d->pipeline);
g_object_unref (d->app_widget);
g_slice_free (DemoApp, d);
return 0;
}

99
tests/examples/waylandsink/window.ui Normal file
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@ -0,0 +1,99 @@
<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated with glade 3.18.2 -->
<interface>
<requires lib="gtk+" version="3.0"/>
<object class="GtkWindow" id="window">
<property name="can_focus">False</property>
<property name="title" translatable="yes">GStreamer Wayland GTK Demo</property>
<child>
<object class="GtkBox" id="box">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="orientation">vertical</property>
<child>
<object class="GtkEventBox" id="videoarea">
<property name="width_request">400</property>
<property name="height_request">300</property>
<property name="visible">True</property>
<property name="app_paintable">True</property>
<property name="can_focus">False</property>
<property name="double_buffered">False</property>
<property name="vexpand">True</property>
<child>
<placeholder/>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkButtonBox" id="buttonbox">
<property name="visible">True</property>
<property name="can_focus">False</property>
<property name="layout_style">center</property>
<child>
<object class="GtkButton" id="button_playing">
<property name="label" translatable="yes">PLAYING</property>
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkButton" id="button_paused">
<property name="label" translatable="yes">PAUSED</property>
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
<child>
<object class="GtkButton" id="button_ready">
<property name="label" translatable="yes">READY</property>
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">2</property>
</packing>
</child>
<child>
<object class="GtkButton" id="button_null">
<property name="label" translatable="yes">NULL</property>
<property name="visible">True</property>
<property name="can_focus">True</property>
<property name="receives_default">True</property>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">3</property>
</packing>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
</object>
</child>
</object>
</interface>