2 * Copyright (c) 2019 Eugene Lyapustin
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVFILTER_V360_H
22 #define AVFILTER_V360_H
98 typedef struct XYRemap {
104 typedef struct V360Context {
105 const AVClass *class;
115 int in_cubemap_face_order[6];
116 int out_cubemap_direction_order[6];
117 int in_cubemap_face_rotation[6];
118 int out_cubemap_face_rotation[6];
119 int rotation_order[3];
121 int in_stereo, out_stereo;
123 float in_pad, out_pad;
124 int fin_pad, fout_pad;
126 float yaw, pitch, roll;
128 int ih_flip, iv_flip;
129 int h_flip, v_flip, d_flip;
130 int in_transpose, out_transpose;
132 float h_fov, v_fov, d_fov;
133 float ih_fov, iv_fov, id_fov;
135 float iflat_range[2];
139 float input_mirror_modifier[2];
140 float output_mirror_modifier[3];
142 int in_width, in_height;
143 int out_width, out_height;
145 int pr_width[4], pr_height[4];
147 int in_offset_w[4], in_offset_h[4];
148 int out_offset_w[4], out_offset_h[4];
150 int planewidth[4], planeheight[4];
151 int inplanewidth[4], inplaneheight[4];
157 int16_t *u[2], *v[2];
161 void (*in_transform)(const struct V360Context *s,
162 const float *vec, int width, int height,
163 int16_t us[4][4], int16_t vs[4][4], float *du, float *dv);
165 void (*out_transform)(const struct V360Context *s,
166 int i, int j, int width, int height,
169 void (*calculate_kernel)(float du, float dv, const XYRemap *rmap,
170 int16_t *u, int16_t *v, int16_t *ker);
172 int (*remap_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
174 void (*remap_line)(uint8_t *dst, int width, const uint8_t *const src, ptrdiff_t in_linesize,
175 const int16_t *const u, const int16_t *const v, const int16_t *const ker);
178 void ff_v360_init(V360Context *s, int depth);
179 void ff_v360_init_x86(V360Context *s, int depth);
181 #endif /* AVFILTER_V360_H */