Thibault Saunier | 806ff70 | 2017-07-06 14:26:21 -0400 | [diff] [blame] | 1 | /* |
Mathieu Duponchelle | 11fa711 | 2014-05-22 19:46:02 +0200 | [diff] [blame] | 2 | * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk> |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Library General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Library General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Library General Public |
| 15 | * License along with this library; if not, write to the |
| 16 | * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
| 17 | * Boston, MA 02110-1301, USA. |
| 18 | */ |
| 19 | |
| 20 | #ifndef __BLEND_H__ |
| 21 | #define __BLEND_H__ |
| 22 | |
| 23 | #include <gst/gst.h> |
| 24 | #include <gst/video/video.h> |
| 25 | |
Thibault Saunier | 806ff70 | 2017-07-06 14:26:21 -0400 | [diff] [blame] | 26 | /** |
| 27 | * GstCompositorBlendMode: |
| 28 | * @COMPOSITOR_BLEND_MODE_NORMAL: Normal blending |
| 29 | * @COMPOSITOR_BLEND_MODE_ADDITIVE: Alphas are simply added, |
| 30 | * |
| 31 | * The different modes compositor can use for blending. |
| 32 | */ |
| 33 | typedef enum |
| 34 | { |
| 35 | COMPOSITOR_BLEND_MODE_NORMAL, |
| 36 | COMPOSITOR_BLEND_MODE_ADDITIVE, |
| 37 | } GstCompositorBlendMode; |
| 38 | |
| 39 | typedef void (*BlendFunction) (GstVideoFrame *srcframe, gint xpos, gint ypos, gdouble src_alpha, GstVideoFrame * destframe, |
| 40 | GstCompositorBlendMode mode); |
Mathieu Duponchelle | 11fa711 | 2014-05-22 19:46:02 +0200 | [diff] [blame] | 41 | typedef void (*FillCheckerFunction) (GstVideoFrame * frame); |
| 42 | typedef void (*FillColorFunction) (GstVideoFrame * frame, gint c1, gint c2, gint c3); |
| 43 | |
| 44 | extern BlendFunction gst_compositor_blend_argb; |
| 45 | extern BlendFunction gst_compositor_blend_bgra; |
| 46 | #define gst_compositor_blend_ayuv gst_compositor_blend_argb |
| 47 | #define gst_compositor_blend_abgr gst_compositor_blend_argb |
| 48 | #define gst_compositor_blend_rgba gst_compositor_blend_bgra |
Thibault Saunier | 806ff70 | 2017-07-06 14:26:21 -0400 | [diff] [blame] | 49 | #define gst_compositor_blend_ayuv_addition gst_compositor_blend_argb_addition |
| 50 | #define gst_compositor_blend_abgr_addition gst_compositor_blend_argb_addition |
| 51 | #define gst_compositor_blend_rgba_addition gst_compositor_blend_bgra_addition |
| 52 | |
| 53 | |
Mathieu Duponchelle | 11fa711 | 2014-05-22 19:46:02 +0200 | [diff] [blame] | 54 | extern BlendFunction gst_compositor_overlay_argb; |
| 55 | extern BlendFunction gst_compositor_overlay_bgra; |
| 56 | #define gst_compositor_overlay_ayuv gst_compositor_overlay_argb |
| 57 | #define gst_compositor_overlay_abgr gst_compositor_overlay_argb |
Thibault Saunier | 806ff70 | 2017-07-06 14:26:21 -0400 | [diff] [blame] | 58 | #define gst_compositor_overlay_abgr gst_compositor_overlay_argb |
Mathieu Duponchelle | 11fa711 | 2014-05-22 19:46:02 +0200 | [diff] [blame] | 59 | #define gst_compositor_overlay_rgba gst_compositor_overlay_bgra |
| 60 | extern BlendFunction gst_compositor_blend_i420; |
| 61 | #define gst_compositor_blend_yv12 gst_compositor_blend_i420 |
| 62 | extern BlendFunction gst_compositor_blend_nv12; |
| 63 | extern BlendFunction gst_compositor_blend_nv21; |
| 64 | extern BlendFunction gst_compositor_blend_y41b; |
| 65 | extern BlendFunction gst_compositor_blend_y42b; |
| 66 | extern BlendFunction gst_compositor_blend_y444; |
| 67 | extern BlendFunction gst_compositor_blend_rgb; |
| 68 | #define gst_compositor_blend_bgr gst_compositor_blend_rgb |
| 69 | extern BlendFunction gst_compositor_blend_rgbx; |
| 70 | #define gst_compositor_blend_bgrx gst_compositor_blend_rgbx |
| 71 | #define gst_compositor_blend_xrgb gst_compositor_blend_rgbx |
| 72 | #define gst_compositor_blend_xbgr gst_compositor_blend_rgbx |
| 73 | extern BlendFunction gst_compositor_blend_yuy2; |
| 74 | #define gst_compositor_blend_uyvy gst_compositor_blend_yuy2; |
| 75 | #define gst_compositor_blend_yvyu gst_compositor_blend_yuy2; |
| 76 | |
| 77 | extern FillCheckerFunction gst_compositor_fill_checker_argb; |
| 78 | #define gst_compositor_fill_checker_abgr gst_compositor_fill_checker_argb |
| 79 | extern FillCheckerFunction gst_compositor_fill_checker_bgra; |
| 80 | #define gst_compositor_fill_checker_rgba gst_compositor_fill_checker_bgra |
| 81 | extern FillCheckerFunction gst_compositor_fill_checker_ayuv; |
| 82 | extern FillCheckerFunction gst_compositor_fill_checker_i420; |
| 83 | #define gst_compositor_fill_checker_yv12 gst_compositor_fill_checker_i420 |
| 84 | extern FillCheckerFunction gst_compositor_fill_checker_nv12; |
| 85 | extern FillCheckerFunction gst_compositor_fill_checker_nv21; |
| 86 | extern FillCheckerFunction gst_compositor_fill_checker_y41b; |
| 87 | extern FillCheckerFunction gst_compositor_fill_checker_y42b; |
| 88 | extern FillCheckerFunction gst_compositor_fill_checker_y444; |
| 89 | extern FillCheckerFunction gst_compositor_fill_checker_rgb; |
| 90 | #define gst_compositor_fill_checker_bgr gst_compositor_fill_checker_rgb |
| 91 | extern FillCheckerFunction gst_compositor_fill_checker_rgbx; |
| 92 | #define gst_compositor_fill_checker_bgrx gst_compositor_fill_checker_rgbx |
| 93 | #define gst_compositor_fill_checker_xrgb gst_compositor_fill_checker_rgbx |
| 94 | #define gst_compositor_fill_checker_xbgr gst_compositor_fill_checker_rgbx |
| 95 | extern FillCheckerFunction gst_compositor_fill_checker_yuy2; |
| 96 | #define gst_compositor_fill_checker_yvyu gst_compositor_fill_checker_yuy2; |
| 97 | extern FillCheckerFunction gst_compositor_fill_checker_uyvy; |
| 98 | |
| 99 | extern FillColorFunction gst_compositor_fill_color_argb; |
| 100 | extern FillColorFunction gst_compositor_fill_color_abgr; |
| 101 | extern FillColorFunction gst_compositor_fill_color_bgra; |
| 102 | extern FillColorFunction gst_compositor_fill_color_rgba; |
| 103 | extern FillColorFunction gst_compositor_fill_color_ayuv; |
| 104 | extern FillColorFunction gst_compositor_fill_color_i420; |
| 105 | extern FillColorFunction gst_compositor_fill_color_yv12; |
| 106 | extern FillColorFunction gst_compositor_fill_color_nv12; |
| 107 | #define gst_compositor_fill_color_nv21 gst_compositor_fill_color_nv12; |
| 108 | extern FillColorFunction gst_compositor_fill_color_y41b; |
| 109 | extern FillColorFunction gst_compositor_fill_color_y42b; |
| 110 | extern FillColorFunction gst_compositor_fill_color_y444; |
| 111 | extern FillColorFunction gst_compositor_fill_color_rgb; |
| 112 | extern FillColorFunction gst_compositor_fill_color_bgr; |
| 113 | extern FillColorFunction gst_compositor_fill_color_xrgb; |
| 114 | extern FillColorFunction gst_compositor_fill_color_xbgr; |
| 115 | extern FillColorFunction gst_compositor_fill_color_rgbx; |
| 116 | extern FillColorFunction gst_compositor_fill_color_bgrx; |
| 117 | extern FillColorFunction gst_compositor_fill_color_yuy2; |
| 118 | extern FillColorFunction gst_compositor_fill_color_yvyu; |
| 119 | extern FillColorFunction gst_compositor_fill_color_uyvy; |
| 120 | |
| 121 | void gst_compositor_init_blend (void); |
| 122 | |
| 123 | #endif /* __BLEND_H__ */ |