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1 /* GStreamer
2  * Copyright (C) <2019> Seungha Yang <seungha.yang@navercorp.com>
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 __GST_D3D11_COLOR_CONVERTER_H__
21 #define __GST_D3D11_COLOR_CONVERTER_H__
22 
23 #include <gst/gst.h>
24 #include <gst/video/video.h>
25 #include <gst/d3d11/gstd3d11.h>
26 
27 G_BEGIN_DECLS
28 
29 typedef struct _GstD3D11Converter GstD3D11Converter;
30 
31 /**
32  * GST_D3D11_CONVERTER_OPT_ALPHA_VALUE
33  *
34  * #G_TYPE_FLOAT, the alpha value color value to use.
35  * Default is 1.0
36  */
37 #define GST_D3D11_CONVERTER_OPT_ALPHA_VALUE "GstD3D11Converter.alpha-value"
38 
39 GstD3D11Converter * gst_d3d11_converter_new  (GstD3D11Device * device,
40                                               GstVideoInfo * in_info,
41                                               GstVideoInfo * out_info,
42                                               GstStructure * config);
43 
44 void                gst_d3d11_converter_free    (GstD3D11Converter * converter);
45 
46 gboolean            gst_d3d11_converter_convert (GstD3D11Converter * converter,
47                                                  ID3D11ShaderResourceView *srv[GST_VIDEO_MAX_PLANES],
48                                                  ID3D11RenderTargetView *rtv[GST_VIDEO_MAX_PLANES],
49                                                  ID3D11BlendState *blend,
50                                                  gfloat blend_factor[4]);
51 
52 gboolean            gst_d3d11_converter_convert_unlocked (GstD3D11Converter * converter,
53                                                           ID3D11ShaderResourceView *srv[GST_VIDEO_MAX_PLANES],
54                                                           ID3D11RenderTargetView *rtv[GST_VIDEO_MAX_PLANES],
55                                                           ID3D11BlendState *blend,
56                                                           gfloat blend_factor[4]);
57 
58 gboolean            gst_d3d11_converter_update_viewport  (GstD3D11Converter * converter,
59                                                           D3D11_VIEWPORT * viewport);
60 
61 gboolean            gst_d3d11_converter_update_src_rect (GstD3D11Converter * converter,
62                                                          RECT * src_rect);
63 
64 gboolean            gst_d3d11_converter_update_dest_rect (GstD3D11Converter * converter,
65                                                           RECT * dest_rect);
66 
67 gboolean            gst_d3d11_converter_update_config    (GstD3D11Converter * converter,
68                                                           GstStructure * config);
69 
70 G_END_DECLS
71 
72 #endif /* __GST_D3D11_COLOR_CONVERTER_H__ */
73