1 | /* |
2 | * GStreamer |
3 | * Copyright (C) 2015 Lubosz Sarnecki <lubosz.sarnecki@collabora.co.uk> |
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_GL_OVERLAY_COMPOSITOR_H__ |
22 | #define __GST_GL_OVERLAY_COMPOSITOR_H__ |
23 | |
24 | #include <gst/video/video.h> |
25 | #include <gst/gl/gstgl_fwd.h> |
26 | |
27 | #define GST_TYPE_GL_OVERLAY_COMPOSITOR (gst_gl_overlay_compositor_get_type()) |
28 | #define GST_GL_OVERLAY_COMPOSITOR(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_OVERLAY_COMPOSITOR,GstGLOverlayCompositor)) |
29 | #define GST_GL_OVERLAY_COMPOSITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_OVERLAY_COMPOSITOR,GstGLOverlayCompositorClass)) |
30 | #define GST_IS_GL_OVERLAY_COMPOSITOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_OVERLAY_COMPOSITOR)) |
31 | #define GST_IS_GL_OVERLAY_COMPOSITOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_OVERLAY_COMPOSITOR)) |
32 | #define GST_GL_OVERLAY_COMPOSITOR_CAST(obj) ((GstGLOverlayCompositor*)(obj)) |
33 | |
34 | G_BEGIN_DECLS |
35 | |
36 | GST_GL_API |
37 | GType gst_gl_overlay_compositor_get_type (void); |
38 | |
39 | /** |
40 | * GstGLOverlayCompositor: |
41 | * |
42 | * Opaque #GstGLOverlayCompositor object |
43 | */ |
44 | struct _GstGLOverlayCompositor |
45 | { |
46 | /*< private >*/ |
47 | GstObject parent; |
48 | |
49 | GstGLContext *context; |
50 | |
51 | guint last_window_width; |
52 | guint last_window_height; |
53 | |
54 | GList * overlays; |
55 | |
56 | GstGLShader *shader; |
57 | gint position_attrib; |
58 | gint texcoord_attrib; |
59 | |
60 | gpointer _padding[GST_PADDING]; |
61 | }; |
62 | |
63 | /** |
64 | * GstGLOverlayCompositorClass: |
65 | * |
66 | */ |
67 | struct _GstGLOverlayCompositorClass |
68 | { |
69 | GstObjectClass object_class; |
70 | |
71 | /*< private >*/ |
72 | gpointer _padding[GST_PADDING]; |
73 | }; |
74 | |
75 | GST_GL_API |
76 | GstGLOverlayCompositor *gst_gl_overlay_compositor_new (GstGLContext * context); |
77 | |
78 | GST_GL_API |
79 | void gst_gl_overlay_compositor_free_overlays (GstGLOverlayCompositor * compositor); |
80 | |
81 | GST_GL_API |
82 | void gst_gl_overlay_compositor_upload_overlays (GstGLOverlayCompositor * compositor, |
83 | GstBuffer * buf); |
84 | |
85 | GST_GL_API |
86 | void gst_gl_overlay_compositor_draw_overlays (GstGLOverlayCompositor * compositor); |
87 | |
88 | GST_GL_API |
89 | GstCaps * gst_gl_overlay_compositor_add_caps(GstCaps * caps); |
90 | |
91 | G_END_DECLS |
92 | #endif /* __GST_GL_OVERLAY_COMPOSITOR_H__ */ |
93 | |