1 /* 2 * GStreamer 3 * Copyright (C) 2015 Matthew Waters <matthew@centricular.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef __GST_GTK_BASE_SINK_H__ 22 #define __GST_GTK_BASE_SINK_H__ 23 24 #include <gtk/gtk.h> 25 #include <gst/gst.h> 26 #include <gst/video/gstvideosink.h> 27 #include <gst/video/video.h> 28 29 #include "gtkgstbasewidget.h" 30 31 #define GST_TYPE_GTK_BASE_SINK (gst_gtk_base_sink_get_type()) 32 #define GST_GTK_BASE_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GTK_BASE_SINK,GstGtkBaseSink)) 33 #define GST_GTK_BASE_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GTK_BASE_SINK,GstGtkBaseSinkClass)) 34 #define GST_GTK_BASE_SINK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GTK_BASE_SINK, GstGtkBaseSinkClass)) 35 #define GST_IS_GTK_BASE_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GTK_BASE_SINK)) 36 #define GST_IS_GTK_BASE_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GTK_BASE_SINK)) 37 #define GST_GTK_BASE_SINK_CAST(obj) ((GstGtkBaseSink*)(obj)) 38 39 G_BEGIN_DECLS 40 41 typedef struct _GstGtkBaseSink GstGtkBaseSink; 42 typedef struct _GstGtkBaseSinkClass GstGtkBaseSinkClass; 43 44 GType gst_gtk_base_sink_get_type (void); 45 46 /** 47 * GstGtkBaseSink: 48 * 49 * Opaque #GstGtkBaseSink object 50 */ 51 struct _GstGtkBaseSink 52 { 53 /* <private> */ 54 GstVideoSink parent; 55 56 GstVideoInfo v_info; 57 58 GtkGstBaseWidget *widget; 59 60 /* properties */ 61 gboolean force_aspect_ratio; 62 GBinding *bind_aspect_ratio; 63 64 gint par_n; 65 gint par_d; 66 GBinding *bind_pixel_aspect_ratio; 67 68 gint video_par_n; 69 gint video_par_d; 70 GBinding *bind_video_aspect_ratio; 71 72 gboolean ignore_alpha; 73 GBinding *bind_ignore_alpha; 74 75 GtkWidget *window; 76 gulong widget_destroy_id; 77 gulong window_destroy_id; 78 }; 79 80 /** 81 * GstGtkBaseSinkClass: 82 * 83 * The #GstGtkBaseSinkClass struct only contains private data 84 */ 85 struct _GstGtkBaseSinkClass 86 { 87 GstVideoSinkClass object_class; 88 89 /* metadata */ 90 const gchar *window_title; 91 92 /* virtuals */ 93 GtkWidget* (*create_widget) (void); 94 }; 95 96 G_DEFINE_AUTOPTR_CLEANUP_FUNC (GstGtkBaseSink, gst_object_unref) 97 98 GtkWidget * 99 gst_gtk_base_sink_acquire_widget (GstGtkBaseSink * gtk_sink); 100 101 G_END_DECLS 102 103 #endif /* __GST_GTK_BASE_SINK_H__ */ 104