#define AVFILTER_V360_H
#include "avfilter.h"
+enum StereoFormats {
+ STEREO_2D,
+ STEREO_SBS,
+ STEREO_TB,
+ NB_STEREO_FMTS,
+};
+
enum Projections {
EQUIRECTANGULAR,
CUBEMAP_3_2,
DUAL_FISHEYE,
BARREL,
CUBEMAP_1_6,
+ STEREOGRAPHIC,
+ MERCATOR,
+ BALL,
+ HAMMER,
+ SINUSOIDAL,
NB_PROJECTIONS,
};
NB_ROTATIONS,
};
+enum RotationOrder {
+ YAW,
+ PITCH,
+ ROLL,
+ NB_RORDERS,
+};
+
+typedef struct XYRemap {
+ uint16_t u[4][4];
+ uint16_t v[4][4];
+ float ker[4][4];
+} XYRemap;
+
typedef struct V360Context {
const AVClass *class;
int in, out;
int interp;
int width, height;
- char* in_forder;
- char* out_forder;
- char* in_frot;
- char* out_frot;
+ char *in_forder;
+ char *out_forder;
+ char *in_frot;
+ char *out_frot;
+ char *rorder;
int in_cubemap_face_order[6];
int out_cubemap_direction_order[6];
int in_cubemap_face_rotation[6];
int out_cubemap_face_rotation[6];
+ int rotation_order[3];
+
+ int in_stereo, out_stereo;
float in_pad, out_pad;
+ int fin_pad, fout_pad;
float yaw, pitch, roll;
+ int ih_flip, iv_flip;
int h_flip, v_flip, d_flip;
+ int in_transpose, out_transpose;
+
+ float h_fov, v_fov, d_fov;
+ float flat_range[2];
- float h_fov, v_fov;
- float flat_range[3];
+ float rot_mat[3][3];
+
+ float input_mirror_modifier[2];
+ float output_mirror_modifier[3];
+
+ int in_width, in_height;
+ int out_width, out_height;
+
+ int pr_width[4], pr_height[4];
+
+ int in_offset_w[4], in_offset_h[4];
+ int out_offset_w[4], out_offset_h[4];
int planewidth[4], planeheight[4];
int inplanewidth[4], inplaneheight[4];
+ int uv_linesize[4];
int nb_planes;
+ int nb_allocated;
+ int elements;
+
+ uint16_t *u[2], *v[2];
+ int16_t *ker[2];
+ unsigned map[4];
+
+ void (*in_transform)(const struct V360Context *s,
+ const float *vec, int width, int height,
+ uint16_t us[4][4], uint16_t vs[4][4], float *du, float *dv);
+
+ void (*out_transform)(const struct V360Context *s,
+ int i, int j, int width, int height,
+ float *vec);
- uint16_t *u[4], *v[4];
- int16_t *ker[4];
+ void (*calculate_kernel)(float du, float dv, const XYRemap *rmap,
+ uint16_t *u, uint16_t *v, int16_t *ker);
int (*remap_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);