From 3264db13fadb0b9aa38d3f2e2ac9db23eb0c2d3a Mon Sep 17 00:00:00 2001 From: Filippo Argiolas Date: Tue, 19 Aug 2008 08:50:14 +0200 Subject: [PATCH] [195/906] fix gstgldifferencematte and add an example app to test it dragging an image over the video (works with pixbufoverlay too, see pixbufdrop --help) --- tests/examples/gtk/fxtest/pixbufdrop.c | 278 +++++++++++++++++++++++++++++++++ 1 file changed, 278 insertions(+) create mode 100644 tests/examples/gtk/fxtest/pixbufdrop.c diff --git a/tests/examples/gtk/fxtest/pixbufdrop.c b/tests/examples/gtk/fxtest/pixbufdrop.c new file mode 100644 index 0000000..df99dfa --- /dev/null +++ b/tests/examples/gtk/fxtest/pixbufdrop.c @@ -0,0 +1,278 @@ +#include +#include +#include +#include +#include +#include + +static gint delay = 0; +static gint saveddelay = 0; +static gint method = 1; + +struct _SourceData +{ + gpointer data; + gpointer nick; + gpointer value; +}; +typedef struct _SourceData SourceData; + +static GstBusSyncReply +create_window (GstBus *bus, GstMessage *message, GtkWidget *widget) +{ + // ignore anything but 'prepare-xwindow-id' element messages + 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; + +#ifdef WIN32 + gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (GST_MESSAGE_SRC (message)), + reinterpret_castGDK_WINDOW_HWND(widget->window)); +#else + gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (GST_MESSAGE_SRC (message)), + GDK_WINDOW_XWINDOW(widget->window)); +#endif + + gst_message_unref (message); + + return GST_BUS_DROP; +} + +static gboolean +expose_cb(GtkWidget *widget, GdkEventExpose *event, GstElement *videosink) +{ + gst_x_overlay_expose (GST_X_OVERLAY (videosink)); + return FALSE; +} + +static void +destroy_cb (GtkWidget *widget, GdkEvent *event, GstElement *pipeline) +{ + g_message ("destroy callback"); + + gst_element_set_state (pipeline, GST_STATE_NULL); + gst_object_unref (pipeline); + + gtk_main_quit (); +} + +gboolean +play_cb (GtkWidget * widget, gpointer data) +{ + g_message ("playing"); + gst_element_set_state (GST_ELEMENT (data), GST_STATE_PLAYING); + return FALSE; +} + +gboolean +null_cb (GtkWidget * widget, gpointer data) +{ + g_message ("nulling"); + gst_element_set_state (GST_ELEMENT (data), GST_STATE_NULL); + return FALSE; +} + +gboolean +ready_cb (GtkWidget * widget, gpointer data) +{ + g_message ("readying"); + gst_element_set_state (GST_ELEMENT (data), GST_STATE_READY); + return FALSE; +} + +gboolean +pause_cb (GtkWidget * widget, gpointer data) +{ + g_message ("pausing"); + gst_element_set_state (GST_ELEMENT (data), GST_STATE_PAUSED); + return FALSE; +} + +static gboolean +set_location_delayed (gpointer data) +{ + SourceData *sdata = (SourceData *) data; + delay--; + g_print ("%d\n", delay); + if (delay > 0) { + return TRUE; + } + g_object_set (G_OBJECT (sdata->data), sdata->nick, sdata->value, NULL); + delay = saveddelay; + return FALSE; +} + +static void +on_drag_data_received (GtkWidget * widget, + GdkDragContext * context, int x, int y, + GtkSelectionData * seldata, guint inf, guint time, + gpointer data) +{ + GdkPixbufFormat *format; + SourceData *userdata = g_new0 (SourceData, 1); + gchar **uris = gtk_selection_data_get_uris (seldata); + gchar *filename = g_filename_from_uri (uris[0], NULL, NULL); + g_return_if_fail (filename != NULL); + format = gdk_pixbuf_get_file_info (filename, NULL, NULL); + g_return_if_fail (format); + g_print ("received %s image: %s\n", filename, + gdk_pixbuf_format_get_name (format)); + userdata->nick = "location"; + userdata->value = g_strdup (filename); + userdata->data = data; + saveddelay = delay; + if (delay > 0) { + g_print ("%d\n", delay); + g_timeout_add_seconds (1, set_location_delayed, userdata); + } + else + g_object_set (G_OBJECT (userdata->data), userdata->nick, userdata->value, NULL); + g_free (filename); +} + + +gint +main (gint argc, gchar * argv[]) +{ + GstStateChangeReturn ret; + GstElement *pipeline; + GstElement *uload, *filter, *sink; + GstElement *sourcebin; + GstBus *bus; + GError *error = NULL; + + GtkWidget *window; + GtkWidget *screen; + GtkWidget *vbox; + GtkWidget *hbox; + GtkWidget *play, *pause, *null, *ready; + + gchar **source_desc_array = NULL; + gchar *source_desc = NULL; + + GOptionContext *context; + GOptionEntry options[] = { + { "source-bin", 's', 0, G_OPTION_ARG_STRING_ARRAY, &source_desc_array, + "Use a custom source bin description (gst-launch style)", NULL }, + { "method", 'm', 0, G_OPTION_ARG_INT, &method, "1 for gstdifferencematte, 2 for gstpixbufoverlay", "M" }, + { "delay", 'd', 0, G_OPTION_ARG_INT, &delay, "Wait N seconds before to send the image to gstreamer (useful with differencematte)", "N" }, + { NULL } + }; + + g_thread_init (NULL); + + context = g_option_context_new (NULL); + g_option_context_add_main_entries (context, options, NULL); + g_option_context_add_group (context, gst_init_get_option_group ()); + g_option_context_add_group (context, gtk_get_option_group (TRUE)); + if (!g_option_context_parse (context, &argc, &argv, &error)) { + g_print ("Inizialization error: %s\n", GST_STR_NULL (error->message)); + return -1; + } + g_option_context_free (context); + + if (source_desc_array != NULL) { + source_desc = g_strjoinv (" ", source_desc_array); + g_strfreev (source_desc_array); + } + if (source_desc == NULL) { + source_desc = g_strdup ("videotestsrc ! video/x-raw-rgb, width=352, height=288 ! identity"); + } + + sourcebin = gst_parse_bin_from_description (g_strdup (source_desc), TRUE, &error); + g_free (source_desc); + if (error) { + g_print ("Error while parsing source bin description: %s\n", + GST_STR_NULL (error->message)); + return -1; + } + + g_set_application_name ("gst-gl-effects test app"); + + window = gtk_window_new (GTK_WINDOW_TOPLEVEL); + gtk_container_set_border_width (GTK_CONTAINER (window), 3); + + pipeline = gst_pipeline_new ("pipeline"); + + uload = gst_element_factory_make ("glupload", "glu"); + if (method == 2) { + filter = gst_element_factory_make ("glpixbufoverlay", "flt"); + } else { + filter = gst_element_factory_make ("gldifferencematte", "flt"); + } + sink = gst_element_factory_make ("glimagesink", "glsink"); + + gst_bin_add_many (GST_BIN (pipeline), sourcebin, uload, filter, sink, NULL); + + if (!gst_element_link_many (sourcebin, uload, filter, sink, NULL)) { + g_print ("Failed to link one or more elements!\n"); + return -1; + } + + g_signal_connect (G_OBJECT (window), "delete-event", + G_CALLBACK (destroy_cb), pipeline); + g_signal_connect (G_OBJECT (window), "destroy-event", + G_CALLBACK (destroy_cb), pipeline); + + screen = gtk_drawing_area_new (); + + gtk_widget_set_size_request (screen, 640, 480); // 500 x 376 + + vbox = gtk_vbox_new (FALSE, 2); + + gtk_box_pack_start (GTK_BOX (vbox), screen, TRUE, TRUE, 0); + + hbox = gtk_hbox_new (FALSE, 0); + + play = gtk_button_new_with_label ("PLAY"); + + g_signal_connect (G_OBJECT (play), "clicked", G_CALLBACK (play_cb), pipeline); + + pause = gtk_button_new_with_label ("PAUSE"); + + g_signal_connect (G_OBJECT (pause), "clicked", + G_CALLBACK (pause_cb), pipeline); + + null = gtk_button_new_with_label ("NULL"); + + g_signal_connect (G_OBJECT (null), "clicked", G_CALLBACK (null_cb), pipeline); + + ready = gtk_button_new_with_label ("READY"); + + g_signal_connect (G_OBJECT (ready), "clicked", + G_CALLBACK (ready_cb), pipeline); + + gtk_box_pack_start (GTK_BOX (hbox), null, TRUE, TRUE, 0); + gtk_box_pack_start (GTK_BOX (hbox), ready, TRUE, TRUE, 0); + gtk_box_pack_start (GTK_BOX (hbox), play, TRUE, TRUE, 0); + gtk_box_pack_start (GTK_BOX (hbox), pause, TRUE, TRUE, 0); + + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); + + gtk_container_add (GTK_CONTAINER (window), vbox); + + bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); + gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, screen); + gst_object_unref (bus); + g_signal_connect(screen, "expose-event", G_CALLBACK(expose_cb), sink); + + gtk_drag_dest_set (screen, GTK_DEST_DEFAULT_ALL, NULL, 0, GDK_ACTION_COPY); + gtk_drag_dest_add_uri_targets (screen); + + g_signal_connect (screen, "drag-data-received", + G_CALLBACK (on_drag_data_received), filter); + + ret = gst_element_set_state (pipeline, GST_STATE_PLAYING); + if (ret == GST_STATE_CHANGE_FAILURE) { + g_print ("Failed to start up pipeline!\n"); + return -1; + } + + gtk_widget_show_all (GTK_WIDGET (window)); + + gtk_main (); + + return 0; +} -- 2.7.4