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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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playback/player: Add GTK+ sample application
This commit is contained in:
Sebastian Dröge
parent
be4f88ef41
commit
3352d5aee0
2 changed files with 235 additions and 0 deletions
19
playback/player/gtk/Makefile
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19
playback/player/gtk/Makefile
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@ -0,0 +1,19 @@
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CFLAGS ?= -Wall -O2 -g
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PKGCONFIG ?= pkg-config
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LIBS := $(shell $(PKGCONFIG) --libs --cflags gstreamer-1.0 gstreamer-video-1.0 gtk+-3.0) -lm
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all: gtk-play
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clean:
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rm -f gtk-play
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SOURCES = \
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gtk-play.c \
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../lib/gstplayer.c
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HEADERS = \
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../lib/gstplayer.h
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gtk-play: $(SOURCES) $(HEADERS)
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$(CC) -o $@ $(SOURCES) $(CFLAGS) $(LIBS) -I../lib
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216
playback/player/gtk/gtk-play.c
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216
playback/player/gtk/gtk-play.c
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#include <string.h>
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#include <gst/gst.h>
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#include <gst/video/videooverlay.h>
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#include <gdk/gdk.h>
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#if defined (GDK_WINDOWING_X11)
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#include <gdk/gdkx.h>
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#elif defined (GDK_WINDOWING_WIN32)
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#include <gdk/gdkwin32.h>
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#elif defined (GDK_WINDOWING_QUARTZ)
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#include <gdk/gdkquartz.h>
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#endif
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#include <gtk/gtk.h>
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#include "../lib/gstplayer.h"
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typedef struct
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{
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GstPlayer *player;
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gchar *uri;
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GtkWidget *window;
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GtkWidget *play_button, *pause_button;
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GtkWidget *seekbar;
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GtkWidget *video_area;
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gulong seekbar_value_changed_signal_id;
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} GtkPlay;
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static void
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delete_event_cb (GtkWidget * widget, GdkEvent * event, GtkPlay * play)
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{
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gst_player_stop (play->player);
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gtk_main_quit ();
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}
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static void
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video_area_realize_cb (GtkWidget * widget, GtkPlay * play)
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{
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GdkWindow *window = gtk_widget_get_window (widget);
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guintptr window_handle;
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if (!gdk_window_ensure_native (window))
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g_error ("Couldn't create native window needed for GstXOverlay!");
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#if defined (GDK_WINDOWING_WIN32)
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window_handle = (guintptr) GDK_WINDOW_HWND (window);
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#elif defined (GDK_WINDOWING_QUARTZ)
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window_handle = gdk_quartz_window_get_nsview (window);
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#elif defined (GDK_WINDOWING_X11)
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window_handle = GDK_WINDOW_XID (window);
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#endif
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g_object_set (play->player, "window-handle", (gpointer) window_handle, NULL);
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}
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static void
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play_clicked_cb (GtkButton * button, GtkPlay * play)
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{
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gst_player_play (play->player);
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}
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static void
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pause_clicked_cb (GtkButton * button, GtkPlay * play)
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{
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gst_player_pause (play->player);
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}
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static void
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seekbar_value_changed_cb (GtkRange * range, GtkPlay * play)
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{
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gdouble value = gtk_range_get_value (GTK_RANGE (play->seekbar));
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gst_player_seek (play->player, gst_util_uint64_scale (value, GST_SECOND, 1));
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}
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static void
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create_ui (GtkPlay * play)
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{
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GtkWidget *controls, *main_hbox, *main_vbox;
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play->window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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g_signal_connect (G_OBJECT (play->window), "delete-event",
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G_CALLBACK (delete_event_cb), play);
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play->video_area = gtk_drawing_area_new ();
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gtk_widget_set_double_buffered (play->video_area, FALSE);
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g_signal_connect (play->video_area, "realize",
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G_CALLBACK (video_area_realize_cb), play);
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play->play_button =
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gtk_button_new_from_icon_name ("media-playback-start",
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GTK_ICON_SIZE_BUTTON);
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g_signal_connect (G_OBJECT (play->play_button), "clicked",
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G_CALLBACK (play_clicked_cb), play);
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play->pause_button =
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gtk_button_new_from_icon_name ("media-playback-pause",
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GTK_ICON_SIZE_BUTTON);
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g_signal_connect (G_OBJECT (play->pause_button), "clicked",
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G_CALLBACK (pause_clicked_cb), play);
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play->seekbar =
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gtk_scale_new_with_range (GTK_ORIENTATION_HORIZONTAL, 0, 100, 1);
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gtk_scale_set_draw_value (GTK_SCALE (play->seekbar), 0);
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play->seekbar_value_changed_signal_id =
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g_signal_connect (G_OBJECT (play->seekbar), "value-changed",
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G_CALLBACK (seekbar_value_changed_cb), play);
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controls = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_box_pack_start (GTK_BOX (controls), play->play_button, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (controls), play->pause_button, FALSE, FALSE, 2);
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gtk_box_pack_start (GTK_BOX (controls), play->seekbar, TRUE, TRUE, 2);
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main_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
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gtk_box_pack_start (GTK_BOX (main_hbox), play->video_area, TRUE, TRUE, 0);
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main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
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gtk_box_pack_start (GTK_BOX (main_vbox), main_hbox, TRUE, TRUE, 0);
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gtk_box_pack_start (GTK_BOX (main_vbox), controls, FALSE, FALSE, 0);
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gtk_container_add (GTK_CONTAINER (play->window), main_vbox);
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gtk_widget_realize (play->video_area);
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gtk_widget_show_all (play->window);
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gtk_widget_hide (play->video_area);
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}
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static void
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play_clear (GtkPlay * play)
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{
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g_free (play->uri);
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g_object_unref (play->player);
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}
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static void
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duration_changed_cb (GstPlayer * unused, GstClockTime duration, GtkPlay * play)
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{
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gtk_range_set_range (GTK_RANGE (play->seekbar), 0,
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(gdouble) duration / GST_SECOND);
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}
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static void
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position_updated_cb (GstPlayer * unused, GstClockTime position, GtkPlay * play)
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{
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g_signal_handler_block (play->seekbar, play->seekbar_value_changed_signal_id);
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gtk_range_set_value (GTK_RANGE (play->seekbar),
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(gdouble) position / GST_SECOND);
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g_signal_handler_unblock (play->seekbar,
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play->seekbar_value_changed_signal_id);
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}
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static void
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video_dimensions_changed_cb (GstPlayer * unused, gint width, gint height,
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GtkPlay * play)
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{
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gtk_widget_show (play->video_area);
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}
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int
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main (gint argc, gchar ** argv)
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{
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GtkPlay play;
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GOptionContext *ctx;
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GOptionEntry options[] = {
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{NULL}
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};
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GError *err = NULL;
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memset (&play, 0, sizeof (play));
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g_set_prgname ("gtk-play");
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ctx = g_option_context_new ("FILE|URI");
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g_option_context_add_main_entries (ctx, options, NULL);
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g_option_context_add_group (ctx, gtk_get_option_group (TRUE));
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g_option_context_add_group (ctx, gst_init_get_option_group ());
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if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
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g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
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return 1;
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}
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g_option_context_free (ctx);
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// FIXME: Add support for playlists and stuff
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play.uri = g_strdup (argv[1]);
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if (!play.uri) {
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g_print ("Usage: %s FILE|URI\n", argv[0]);
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return 1;
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}
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play.player = gst_player_new (TRUE);
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if (!gst_uri_is_valid (play.uri)) {
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gchar *uri = gst_filename_to_uri (play.uri, NULL);
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g_free (play.uri);
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play.uri = uri;
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}
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g_object_set (play.player, "uri", play.uri, NULL);
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create_ui (&play);
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g_signal_connect (play.player, "position-updated",
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G_CALLBACK (position_updated_cb), &play);
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g_signal_connect (play.player, "duration-changed",
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G_CALLBACK (duration_changed_cb), &play);
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g_signal_connect (play.player, "video-dimensions-changed",
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G_CALLBACK (video_dimensions_changed_cb), &play);
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gst_player_pause (play.player);
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gtk_main ();
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play_clear (&play);
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return 0;
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}
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