mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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330 lines
9 KiB
C
330 lines
9 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008-2009 Filippo Argiolas <filippo.argiolas@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define GLIB_DISABLE_DEPRECATION_WARNINGS
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#include <gst/gst.h>
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#include <gtk/gtk.h>
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#include <gdk/gdk.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "../gstgtk.h"
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#include <gst/video/videooverlay.h>
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#ifdef HAVE_X11
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#include <X11/Xlib.h>
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#endif
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static gint delay = 0;
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static gint saveddelay = 0;
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static gint method = 1;
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struct _SourceData
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{
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gpointer data;
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gpointer nick;
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gpointer value;
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};
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typedef struct _SourceData SourceData;
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static GstBusSyncReply
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create_window (GstBus * bus, GstMessage * message, GtkWidget * widget)
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{
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// ignore anything but 'prepare-window-handle' element messages
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if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
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return GST_BUS_PASS;
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if (!gst_is_video_overlay_prepare_window_handle_message (message))
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return GST_BUS_PASS;
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gst_video_overlay_set_gtk_window (GST_VIDEO_OVERLAY (GST_MESSAGE_SRC
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(message)), widget);
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gst_message_unref (message);
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return GST_BUS_DROP;
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}
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static void
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message_cb (GstBus * bus, GstMessage * message, GstElement * pipeline)
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{
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (pipeline);
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gtk_main_quit ();
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}
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static gboolean
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expose_cb (GtkWidget * widget, cairo_t * cr, GstElement * videosink)
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{
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gst_video_overlay_expose (GST_VIDEO_OVERLAY (videosink));
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return FALSE;
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}
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static void
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destroy_cb (GtkWidget * widget, GdkEvent * event, GstElement * pipeline)
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{
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g_message ("destroy callback");
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (pipeline);
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gtk_main_quit ();
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}
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static gboolean
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play_cb (GtkWidget * widget, gpointer data)
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{
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g_message ("playing");
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gst_element_set_state (GST_ELEMENT (data), GST_STATE_PLAYING);
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return FALSE;
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}
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static gboolean
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null_cb (GtkWidget * widget, gpointer data)
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{
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g_message ("nulling");
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gst_element_set_state (GST_ELEMENT (data), GST_STATE_NULL);
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return FALSE;
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}
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static gboolean
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ready_cb (GtkWidget * widget, gpointer data)
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{
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g_message ("readying");
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gst_element_set_state (GST_ELEMENT (data), GST_STATE_READY);
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return FALSE;
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}
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static gboolean
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pause_cb (GtkWidget * widget, gpointer data)
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{
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g_message ("pausing");
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gst_element_set_state (GST_ELEMENT (data), GST_STATE_PAUSED);
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return FALSE;
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}
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static gboolean
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set_location_delayed (gpointer data)
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{
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SourceData *sdata = (SourceData *) data;
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delay--;
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g_print ("%d\n", delay);
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if (delay > 0) {
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return TRUE;
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}
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g_object_set (G_OBJECT (sdata->data), sdata->nick, sdata->value, NULL);
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delay = saveddelay;
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return FALSE;
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}
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static void
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on_drag_data_received (GtkWidget * widget,
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GdkDragContext * context, int x, int y,
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GtkSelectionData * seldata, guint inf, guint time, gpointer data)
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{
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SourceData *userdata = g_new0 (SourceData, 1);
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GdkPixbufFormat *format;
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gchar **uris = gtk_selection_data_get_uris (seldata);
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gchar *filename = NULL;
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g_return_if_fail (uris != NULL);
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filename = g_filename_from_uri (uris[0], NULL, NULL);
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g_return_if_fail (filename != NULL);
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format = gdk_pixbuf_get_file_info (filename, NULL, NULL);
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g_return_if_fail (format);
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g_print ("received %s image: %s\n", filename,
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gdk_pixbuf_format_get_name (format));
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userdata->nick = (gchar *) "location";
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userdata->value = g_strdup (filename);
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userdata->data = data;
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saveddelay = delay;
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if (delay > 0) {
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g_print ("%d\n", delay);
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g_timeout_add_seconds (1, set_location_delayed, userdata);
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} else
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g_object_set (G_OBJECT (userdata->data), userdata->nick, userdata->value,
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NULL);
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g_free (filename);
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}
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gint
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main (gint argc, gchar * argv[])
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{
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GstElement *pipeline;
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GstElement *filter, *sink;
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GstElement *sourcebin;
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GstBus *bus;
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GError *error = NULL;
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GtkWidget *window;
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GtkWidget *screen;
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GtkWidget *vbox;
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GtkWidget *hbox;
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GtkWidget *play, *pause, *null, *ready;
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gchar **source_desc_array = NULL;
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gchar *source_desc = NULL;
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GOptionContext *context;
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GOptionEntry options[] = {
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{"source-bin", 's', 0, G_OPTION_ARG_STRING_ARRAY, &source_desc_array,
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"Use a custom source bin description (gst-launch style)", NULL}
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,
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{"method", 'm', 0, G_OPTION_ARG_INT, &method,
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"1 for gstdifferencematte, 2 for gloverlay", "M"}
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,
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{"delay", 'd', 0, G_OPTION_ARG_INT, &delay,
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"Wait N seconds before to send the image to gstreamer (useful with differencematte)",
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"N"}
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,
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{NULL}
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};
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#ifdef HAVE_X11
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XInitThreads ();
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#endif
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context = g_option_context_new (NULL);
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g_option_context_add_main_entries (context, options, NULL);
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g_option_context_add_group (context, gst_init_get_option_group ());
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g_option_context_add_group (context, gtk_get_option_group (TRUE));
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if (!g_option_context_parse (context, &argc, &argv, &error)) {
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g_print ("Inizialization error: %s\n", GST_STR_NULL (error->message));
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g_option_context_free (context);
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g_clear_error (&error);
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return -1;
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}
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g_option_context_free (context);
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if (source_desc_array != NULL) {
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source_desc = g_strjoinv (" ", source_desc_array);
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g_strfreev (source_desc_array);
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}
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if (source_desc == NULL) {
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source_desc =
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g_strdup
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("videotestsrc ! video/x-raw, width=352, height=288 ! identity ! glupload");
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}
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sourcebin =
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gst_parse_bin_from_description (g_strdup (source_desc), TRUE, &error);
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g_free (source_desc);
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if (error) {
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g_print ("Error while parsing source bin description: %s\n",
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GST_STR_NULL (error->message));
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return -1;
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}
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g_set_application_name ("gst-gl-effects test app");
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_container_set_border_width (GTK_CONTAINER (window), 3);
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pipeline = gst_pipeline_new ("pipeline");
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if (method == 2) {
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filter = gst_element_factory_make ("gloverlay", "flt");
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} else {
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filter = gst_element_factory_make ("gldifferencematte", "flt");
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}
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sink = gst_element_factory_make ("glimagesink", "glsink");
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gst_bin_add_many (GST_BIN (pipeline), sourcebin, filter, sink, NULL);
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if (!gst_element_link_many (sourcebin, filter, sink, NULL)) {
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g_print ("Failed to link one or more elements!\n");
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return -1;
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}
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g_signal_connect (G_OBJECT (window), "delete-event",
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G_CALLBACK (destroy_cb), pipeline);
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g_signal_connect (G_OBJECT (window), "destroy-event",
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G_CALLBACK (destroy_cb), pipeline);
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screen = gtk_drawing_area_new ();
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gtk_widget_set_size_request (screen, 640, 480); // 500 x 376
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vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
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gtk_box_pack_start (GTK_BOX (vbox), screen, TRUE, TRUE, 0);
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hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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play = gtk_button_new_with_label ("PLAY");
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g_signal_connect (G_OBJECT (play), "clicked", G_CALLBACK (play_cb), pipeline);
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pause = gtk_button_new_with_label ("PAUSE");
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g_signal_connect (G_OBJECT (pause), "clicked",
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G_CALLBACK (pause_cb), pipeline);
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null = gtk_button_new_with_label ("NULL");
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g_signal_connect (G_OBJECT (null), "clicked", G_CALLBACK (null_cb), pipeline);
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ready = gtk_button_new_with_label ("READY");
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g_signal_connect (G_OBJECT (ready), "clicked",
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G_CALLBACK (ready_cb), pipeline);
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gtk_box_pack_start (GTK_BOX (hbox), null, TRUE, TRUE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), ready, TRUE, TRUE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), play, TRUE, TRUE, 0);
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gtk_box_pack_start (GTK_BOX (hbox), pause, TRUE, TRUE, 0);
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gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
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gtk_container_add (GTK_CONTAINER (window), vbox);
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gtk_widget_realize (screen);
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bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
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gst_bus_set_sync_handler (bus, (GstBusSyncHandler) create_window, screen,
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NULL);
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gst_bus_add_signal_watch (bus);
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g_signal_connect (bus, "message::error", G_CALLBACK (message_cb), pipeline);
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g_signal_connect (bus, "message::warning", G_CALLBACK (message_cb), pipeline);
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g_signal_connect (bus, "message::eos", G_CALLBACK (message_cb), pipeline);
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gst_object_unref (bus);
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g_signal_connect (screen, "draw", G_CALLBACK (expose_cb), sink);
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gtk_drag_dest_set (screen, GTK_DEST_DEFAULT_ALL, NULL, 0, GDK_ACTION_COPY);
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gtk_drag_dest_add_uri_targets (screen);
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g_signal_connect (screen, "drag-data-received",
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G_CALLBACK (on_drag_data_received), filter);
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gtk_widget_show_all (GTK_WIDGET (window));
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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gtk_main ();
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return 0;
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}
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