| /* |
| * GStreamer |
| * Copyright (C) 2008-2009 Filippo Argiolas <filippo.argiolas@gmail.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. |
| */ |
| #ifdef HAVE_CONFIG_H |
| #include "config.h" |
| #endif |
| |
| #define GLIB_DISABLE_DEPRECATION_WARNINGS |
| |
| #include <gst/gst.h> |
| #include <gtk/gtk.h> |
| #include <gdk/gdk.h> |
| #include <gdk-pixbuf/gdk-pixbuf.h> |
| |
| #include "../gstgtk.h" |
| |
| #include <gst/video/videooverlay.h> |
| |
| |
| static GstBusSyncReply |
| create_window (GstBus * bus, GstMessage * message, GtkWidget * widget) |
| { |
| /* ignore anything but 'prepare-window-handle' element messages */ |
| if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT) |
| return GST_BUS_PASS; |
| |
| if (!gst_is_video_overlay_prepare_window_handle_message (message)) |
| return GST_BUS_PASS; |
| |
| g_print ("setting window handle\n"); |
| |
| /* do not call gdk_window_ensure_native for the first time here because |
| * we are in a different thread than the main thread |
| * (and the main thread the one) */ |
| gst_video_overlay_set_gtk_window (GST_VIDEO_OVERLAY (GST_MESSAGE_SRC |
| (message)), widget); |
| |
| gst_message_unref (message); |
| |
| return GST_BUS_DROP; |
| } |
| |
| |
| static void |
| end_stream_cb (GstBus * bus, GstMessage * message, GstElement * pipeline) |
| { |
| switch (GST_MESSAGE_TYPE (message)) { |
| case GST_MESSAGE_EOS: |
| g_print ("End of stream\n"); |
| |
| gst_element_set_state (pipeline, GST_STATE_NULL); |
| gst_object_unref (pipeline); |
| gtk_main_quit (); |
| break; |
| case GST_MESSAGE_ERROR: |
| { |
| gchar *debug = NULL; |
| GError *err = NULL; |
| |
| gst_message_parse_error (message, &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 (pipeline, GST_STATE_NULL); |
| gst_object_unref (pipeline); |
| gtk_main_quit (); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| static gboolean |
| expose_cb (GtkWidget * widget, gpointer unused, gpointer data) |
| { |
| GstVideoOverlay *overlay = |
| GST_VIDEO_OVERLAY (gst_bin_get_by_interface (GST_BIN (data), |
| GST_TYPE_VIDEO_OVERLAY)); |
| |
| gst_video_overlay_expose (overlay); |
| gst_object_unref (overlay); |
| |
| 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 (); |
| } |
| |
| static gboolean |
| apply_fx (GtkWidget * widget, gpointer data) |
| { |
| gchar *fx; |
| GEnumClass *p_class; |
| |
| /* heeeellppppp!! */ |
| p_class = |
| G_PARAM_SPEC_ENUM (g_object_class_find_property (G_OBJECT_GET_CLASS |
| (G_OBJECT (data)), "effect") |
| )->enum_class; |
| |
| fx = gtk_combo_box_text_get_active_text (GTK_COMBO_BOX_TEXT (widget)); |
| g_print ("setting: %s - %s\n", fx, g_enum_get_value_by_nick (p_class, |
| fx)->value_name); |
| g_object_set (G_OBJECT (data), "effect", g_enum_get_value_by_nick (p_class, |
| fx)->value, NULL); |
| return FALSE; |
| } |
| |
| static gboolean |
| play_cb (GtkWidget * widget, gpointer data) |
| { |
| g_message ("playing"); |
| gst_element_set_state (GST_ELEMENT (data), GST_STATE_PLAYING); |
| return FALSE; |
| } |
| |
| static gboolean |
| null_cb (GtkWidget * widget, gpointer data) |
| { |
| g_message ("nulling"); |
| gst_element_set_state (GST_ELEMENT (data), GST_STATE_NULL); |
| return FALSE; |
| } |
| |
| static gboolean |
| ready_cb (GtkWidget * widget, gpointer data) |
| { |
| g_message ("readying"); |
| gst_element_set_state (GST_ELEMENT (data), GST_STATE_READY); |
| return FALSE; |
| } |
| |
| static gboolean |
| pause_cb (GtkWidget * widget, gpointer data) |
| { |
| g_message ("pausing"); |
| gst_element_set_state (GST_ELEMENT (data), GST_STATE_PAUSED); |
| return FALSE; |
| } |
| |
| gint |
| main (gint argc, gchar * argv[]) |
| { |
| GstStateChangeReturn ret; |
| GstElement *pipeline; |
| GstElement *filter, *sink; |
| GstElement *sourcebin; |
| GstBus *bus; |
| GError *error = NULL; |
| |
| GtkWidget *window; |
| GtkWidget *screen; |
| GtkWidget *vbox, *combo; |
| 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} |
| , |
| {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, 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"); |
| |
| filter = gst_element_factory_make ("gleffects", "flt"); |
| sink = gst_element_factory_make ("glimagesink", "glsink"); |
| |
| gst_bin_add_many (GST_BIN (pipeline), sourcebin, filter, sink, NULL); |
| |
| if (!gst_element_link_many (sourcebin, 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 (); |
| bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline)); |
| gst_bus_add_signal_watch (bus); |
| g_signal_connect (bus, "message::error", G_CALLBACK (end_stream_cb), |
| pipeline); |
| g_signal_connect (bus, "message::warning", G_CALLBACK (end_stream_cb), |
| pipeline); |
| g_signal_connect (bus, "message::eos", G_CALLBACK (end_stream_cb), pipeline); |
| |
| gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, screen, |
| NULL); |
| gst_object_unref (bus); |
| |
| gtk_widget_set_size_request (screen, 640, 480); // 500 x 376 |
| |
| vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2); |
| |
| gtk_box_pack_start (GTK_BOX (vbox), screen, TRUE, TRUE, 0); |
| |
| combo = gtk_combo_box_text_new (); |
| |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "identity"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "mirror"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "squeeze"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "stretch"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "fisheye"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "twirl"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "bulge"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "tunnel"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "square"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "heat"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "xpro"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "lumaxpro"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "sepia"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "xray"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "sin"); |
| gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "glow"); |
| |
| g_signal_connect (G_OBJECT (combo), "changed", G_CALLBACK (apply_fx), filter); |
| |
| gtk_box_pack_start (GTK_BOX (vbox), combo, FALSE, FALSE, 0); |
| |
| hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 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); |
| |
| g_signal_connect (screen, "draw", G_CALLBACK (expose_cb), pipeline); |
| g_signal_connect (screen, "configure-event", G_CALLBACK (expose_cb), |
| pipeline); |
| gtk_widget_realize (screen); |
| |
| 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; |
| } |