summaryrefslogtreecommitdiff
path: root/ext/rsvg/gstrsvgoverlay.h
blob: a0125444cc4b585965473c68ed48a8d081909567 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/* GStreamer
 * Copyright (C) 2010 Olivier Aubert <olivier.aubert@liris.cnrs.fr>
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef __GST_RSVG_OVERLAY_H__
#define __GST_RSVG_OVERLAY_H__

#include <librsvg/rsvg.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideofilter.h>
#include <gst/base/gstadapter.h>

G_BEGIN_DECLS
#define GST_TYPE_RSVG_OVERLAY 	     (gst_rsvg_overlay_get_type())
#define GST_RSVG_OVERLAY(obj) 	     (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_RSVG_OVERLAY,GstRsvgOverlay))
#define GST_RSVG_OVERLAY_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_RSVG_OVERLAY,GstRsvgOverlayClass))
#define GST_IS_RSVG_OVERLAY(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_RSVG_OVERLAY))
#define GST_IS_RSVG_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_RSVG_OVERLAY))
typedef struct _GstRsvgOverlay GstRsvgOverlay;
typedef struct _GstRsvgOverlayClass GstRsvgOverlayClass;

/**
 * GstRsvgOverlay:
 *
 * Opaque object data structure.
 */
struct _GstRsvgOverlay
{
  GstVideoFilter element;

  /* < private > */
  GStaticMutex rsvg_lock;

  RsvgHandle *handle;

  /* width and height of the SVG data */
  int width;
  int height;
  /* Should we fit the SVG to the dimension ? */
  gboolean fit_to_frame;

  int x_offset;
  int y_offset;

  GstVideoFormat caps_format;
  int caps_width;
  int caps_height;

  GstPad *data_sinkpad;
  GstAdapter *adapter;
};

struct _GstRsvgOverlayClass
{
  GstVideoFilterClass parent_class;
};

GType gst_rsvg_overlay_get_type (void);

G_END_DECLS
#endif /* __GST_RSVG_OVERLAY_H__ */