| 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 | |