1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
* gstvaapipostproc.h - VA-API video post processing
*
* Copyright (C) 2012-2014 Intel Corporation
* Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#ifndef GST_VAAPIPOSTPROC_H
#define GST_VAAPIPOSTPROC_H
#include "gstvaapipluginbase.h"
#include <gst/vaapi/gstvaapisurface.h>
#include <gst/vaapi/gstvaapisurfacepool.h>
#include <gst/vaapi/gstvaapifilter.h>
G_BEGIN_DECLS
#define GST_TYPE_VAAPIPOSTPROC \
(gst_vaapipostproc_get_type())
#define GST_VAAPIPOSTPROC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), \
GST_TYPE_VAAPIPOSTPROC, \
GstVaapiPostproc))
#define GST_VAAPIPOSTPROC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), \
GST_TYPE_VAAPIPOSTPROC, \
GstVaapiPostprocClass))
#define GST_IS_VAAPIPOSTPROC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_VAAPIPOSTPROC))
#define GST_IS_VAAPIPOSTPROC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VAAPIPOSTPROC))
#define GST_VAAPIPOSTPROC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj), \
GST_TYPE_VAAPIPOSTPROC, \
GstVaapiPostprocClass))
typedef struct _GstVaapiPostproc GstVaapiPostproc;
typedef struct _GstVaapiPostprocClass GstVaapiPostprocClass;
typedef struct _GstVaapiDeinterlaceState GstVaapiDeinterlaceState;
/**
* GstVaapiDeinterlaceMode:
* @GST_VAAPI_DEINTERLACE_MODE_AUTO: Auto detect needs for deinterlacing.
* @GST_VAAPI_DEINTERLACE_MODE_INTERLACED: Force deinterlacing.
* @GST_VAAPI_DEINTERLACE_MODE_DISABLED: Never perform deinterlacing.
*/
typedef enum {
GST_VAAPI_DEINTERLACE_MODE_AUTO = 0,
GST_VAAPI_DEINTERLACE_MODE_INTERLACED,
GST_VAAPI_DEINTERLACE_MODE_DISABLED,
} GstVaapiDeinterlaceMode;
/*
* GST_VAAPI_DEINTERLACE_MAX_REFERENCES:
*
* This represents the maximum number of VA surfaces we could keep as
* references for advanced deinterlacing.
*
* Note: if the upstream element is vaapidecode, then the maximum
* number of allowed surfaces used as references shall be less than
* the actual number of scratch surfaces used for decoding (4).
*/
#define GST_VAAPI_DEINTERLACE_MAX_REFERENCES 2
/**
* GstVaapiPostprocFlags:
* @GST_VAAPI_POSTPROC_FLAG_FORMAT: Pixel format conversion.
* @GST_VAAPI_POSTPROC_FLAG_DENOISE: Noise reduction.
* @GST_VAAPI_POSTPROC_FLAG_SHARPEN: Sharpening.
* @GST_VAAPI_POSTPROC_FLAG_HUE: Change color hue.
* @GST_VAAPI_POSTPROC_FLAG_SATURATION: Change saturation.
* @GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS: Change brightness.
* @GST_VAAPI_POSTPROC_FLAG_CONTRAST: Change contrast.
* @GST_VAAPI_POSTPROC_FLAG_DEINTERLACE: Deinterlacing.
* @GST_VAAPI_POSTPROC_FLAG_SIZE: Video scaling.
*
* The set of operations that are to be performed for each frame.
*/
typedef enum {
GST_VAAPI_POSTPROC_FLAG_FORMAT = 1 << GST_VAAPI_FILTER_OP_FORMAT,
GST_VAAPI_POSTPROC_FLAG_DENOISE = 1 << GST_VAAPI_FILTER_OP_DENOISE,
GST_VAAPI_POSTPROC_FLAG_SHARPEN = 1 << GST_VAAPI_FILTER_OP_SHARPEN,
GST_VAAPI_POSTPROC_FLAG_HUE = 1 << GST_VAAPI_FILTER_OP_HUE,
GST_VAAPI_POSTPROC_FLAG_SATURATION = 1 << GST_VAAPI_FILTER_OP_SATURATION,
GST_VAAPI_POSTPROC_FLAG_BRIGHTNESS = 1 << GST_VAAPI_FILTER_OP_BRIGHTNESS,
GST_VAAPI_POSTPROC_FLAG_CONTRAST = 1 << GST_VAAPI_FILTER_OP_CONTRAST,
GST_VAAPI_POSTPROC_FLAG_DEINTERLACE = 1 << GST_VAAPI_FILTER_OP_DEINTERLACING,
/* Additional custom flags */
GST_VAAPI_POSTPROC_FLAG_CUSTOM = 1 << 20,
GST_VAAPI_POSTPROC_FLAG_SIZE = GST_VAAPI_POSTPROC_FLAG_CUSTOM,
} GstVaapiPostprocFlags;
/*
* GstVaapiDeinterlaceState:
* @buffers: history buffer, maintained as a cyclic array
* @buffers_index: next free slot in the history buffer
* @surfaces: array of surfaces used as references
* @num_surfaces: number of active surfaces in that array
* @deint: flag: previous buffers were interlaced?
* @tff: flag: previous buffers were organized as top-field-first?
*
* Context used to maintain deinterlacing state.
*/
struct _GstVaapiDeinterlaceState {
GstBuffer *buffers[GST_VAAPI_DEINTERLACE_MAX_REFERENCES];
guint buffers_index;
GstVaapiSurface *surfaces[GST_VAAPI_DEINTERLACE_MAX_REFERENCES];
guint num_surfaces;
guint deint : 1;
guint tff : 1;
};
struct _GstVaapiPostproc {
/*< private >*/
GstVaapiPluginBase parent_instance;
GstVaapiFilter *filter;
GPtrArray *filter_ops;
GstVaapiVideoPool *filter_pool;
GstVideoInfo filter_pool_info;
gboolean filter_pool_active;
GArray *filter_formats;
GstVideoFormat format; /* output video format (encoded) */
guint width;
guint height;
guint flags;
GstCaps *allowed_sinkpad_caps;
GstVideoInfo sinkpad_info;
GstCaps *allowed_srcpad_caps;
GstVideoInfo srcpad_info;
/* Deinterlacing */
GstVaapiDeinterlaceMode deinterlace_mode;
GstVaapiDeinterlaceMethod deinterlace_method;
GstVaapiDeinterlaceState deinterlace_state;
GstClockTime field_duration;
/* Basic filter values */
gfloat denoise_level;
gfloat sharpen_level;
/* Color balance filter values */
gfloat hue;
gfloat saturation;
gfloat brightness;
gfloat contrast;
guint get_va_surfaces : 1;
guint use_vpp : 1;
guint keep_aspect : 1;
};
struct _GstVaapiPostprocClass {
/*< private >*/
GstVaapiPluginBaseClass parent_class;
};
GType
gst_vaapipostproc_get_type(void) G_GNUC_CONST;
G_END_DECLS
#endif /* GST_VAAPIPOSTPROC_H */
|
