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125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
/*
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* Copyright (c) 2019 Eugene Lyapustin
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_V360_H
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#define AVFILTER_V360_H
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#include "avfilter.h"
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enum Projections {
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EQUIRECTANGULAR,
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CUBEMAP_3_2,
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CUBEMAP_6_1,
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EQUIANGULAR,
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FLAT,
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DUAL_FISHEYE,
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BARREL,
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CUBEMAP_1_6,
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NB_PROJECTIONS,
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};
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enum InterpMethod {
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NEAREST,
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BILINEAR,
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BICUBIC,
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LANCZOS,
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NB_INTERP_METHODS,
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};
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enum Faces {
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TOP_LEFT,
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TOP_MIDDLE,
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TOP_RIGHT,
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BOTTOM_LEFT,
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BOTTOM_MIDDLE,
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BOTTOM_RIGHT,
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NB_FACES,
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};
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enum Direction {
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RIGHT, ///< Axis +X
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LEFT, ///< Axis -X
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UP, ///< Axis +Y
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DOWN, ///< Axis -Y
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FRONT, ///< Axis -Z
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BACK, ///< Axis +Z
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NB_DIRECTIONS,
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};
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enum Rotation {
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ROT_0,
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ROT_90,
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ROT_180,
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ROT_270,
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NB_ROTATIONS,
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};
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enum RotationOrder {
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YAW,
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PITCH,
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ROLL,
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NB_RORDERS,
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};
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typedef struct V360Context {
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const AVClass *class;
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int in, out;
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int interp;
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int width, height;
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char *in_forder;
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char *out_forder;
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char *in_frot;
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char *out_frot;
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char *rorder;
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int in_cubemap_face_order[6];
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int out_cubemap_direction_order[6];
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int in_cubemap_face_rotation[6];
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int out_cubemap_face_rotation[6];
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int rotation_order[3];
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float in_pad, out_pad;
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float yaw, pitch, roll;
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int h_flip, v_flip, d_flip;
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float h_fov, v_fov;
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float flat_range[3];
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int planewidth[4], planeheight[4];
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int inplanewidth[4], inplaneheight[4];
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int nb_planes;
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int nb_allocated;
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uint16_t *u[4], *v[4];
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int16_t *ker[4];
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unsigned map[4];
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int (*remap_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
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void (*remap_line)(uint8_t *dst, int width, const uint8_t *src, ptrdiff_t in_linesize,
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const uint16_t *u, const uint16_t *v, const int16_t *ker);
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} V360Context;
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void ff_v360_init(V360Context *s, int depth);
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void ff_v360_init_x86(V360Context *s, int depth);
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#endif /* AVFILTER_V360_H */
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