| 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 |  |