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Allow front-ends to override the pixel aspect ratio found inside the video file itself, or most likely, missing from the video file. This is a long-standing feature of totem. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1137>
103 lines
3 KiB
C
103 lines
3 KiB
C
/*
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* GStreamer
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* Copyright (C) 2015 Matthew Waters <matthew@centricular.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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#ifndef __GST_GTK_BASE_SINK_H__
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#define __GST_GTK_BASE_SINK_H__
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#include <gtk/gtk.h>
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#include <gst/gst.h>
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#include <gst/video/gstvideosink.h>
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#include <gst/video/video.h>
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#include "gtkgstbasewidget.h"
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#define GST_TYPE_GTK_BASE_SINK (gst_gtk_base_sink_get_type())
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#define GST_GTK_BASE_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GTK_BASE_SINK,GstGtkBaseSink))
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#define GST_GTK_BASE_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GTK_BASE_SINK,GstGtkBaseSinkClass))
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#define GST_GTK_BASE_SINK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GTK_BASE_SINK, GstGtkBaseSinkClass))
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#define GST_IS_GTK_BASE_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GTK_BASE_SINK))
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#define GST_IS_GTK_BASE_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GTK_BASE_SINK))
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#define GST_GTK_BASE_SINK_CAST(obj) ((GstGtkBaseSink*)(obj))
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G_BEGIN_DECLS
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typedef struct _GstGtkBaseSink GstGtkBaseSink;
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typedef struct _GstGtkBaseSinkClass GstGtkBaseSinkClass;
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GType gst_gtk_base_sink_get_type (void);
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/**
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* GstGtkBaseSink:
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*
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* Opaque #GstGtkBaseSink object
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*/
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struct _GstGtkBaseSink
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{
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/* <private> */
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GstVideoSink parent;
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GstVideoInfo v_info;
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GtkGstBaseWidget *widget;
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/* properties */
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gboolean force_aspect_ratio;
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GBinding *bind_aspect_ratio;
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gint par_n;
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gint par_d;
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GBinding *bind_pixel_aspect_ratio;
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gint video_par_n;
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gint video_par_d;
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GBinding *bind_video_aspect_ratio;
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gboolean ignore_alpha;
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GBinding *bind_ignore_alpha;
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GtkWidget *window;
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gulong widget_destroy_id;
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gulong window_destroy_id;
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};
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/**
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* GstGtkBaseSinkClass:
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*
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* The #GstGtkBaseSinkClass struct only contains private data
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*/
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struct _GstGtkBaseSinkClass
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{
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GstVideoSinkClass object_class;
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/* metadata */
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const gchar *window_title;
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/* virtuals */
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GtkWidget* (*create_widget) (void);
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};
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G_DEFINE_AUTOPTR_CLEANUP_FUNC (GstGtkBaseSink, gst_object_unref)
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GtkWidget *
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gst_gtk_base_sink_acquire_widget (GstGtkBaseSink * gtk_sink);
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G_END_DECLS
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#endif /* __GST_GTK_BASE_SINK_H__ */
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