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struct vf_instance_s;
struct vf_priv_s;
typedef struct vf_info_s {
const char *info;
const char *name;
const char *author;
const char *comment;
int (*open)(struct vf_instance_s* vf,char* args);
} vf_info_t;
typedef struct vf_image_context_s {
mp_image_t* static_images[2];
mp_image_t* temp_images[1];
mp_image_t* export_images[1];
int static_idx;
} vf_image_context_t;
typedef struct vf_instance_s {
vf_info_t* info;
// funcs:
int (*config)(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt);
int (*control)(struct vf_instance_s* vf,
int request, void* data);
int (*query_format)(struct vf_instance_s* vf,
unsigned int fmt);
void (*get_image)(struct vf_instance_s* vf,
mp_image_t *mpi);
void (*put_image)(struct vf_instance_s* vf,
mp_image_t *mpi);
void (*draw_slice)(struct vf_instance_s* vf,
unsigned char* src, int* stride, int w,int h, int x, int y);
void (*uninit)(struct vf_instance_s* vf);
// data:
vf_image_context_t imgctx;
struct vf_instance_s* next;
struct vf_priv_s* priv;
} vf_instance_t;
// control codes:
#include "mpc_info.h"
#define VFCTRL_QUERY_MAX_PP_LEVEL 4 /* test for postprocessing support (max level) */
#define VFCTRL_SET_PP_LEVEL 5 /* set postprocessing level */
#define VFCTRL_SET_EQUALIZER 6 /* set color options (brightness,contrast etc) */
// functions:
mp_image_t* vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h);
vf_instance_t* vf_open_plugin(vf_info_t** filter_list, vf_instance_t* next, char *name, char *args);
vf_instance_t* vf_open_filter(vf_instance_t* next, char *name, char *args);
vf_instance_t* vf_open_encoder(vf_instance_t* next, char *name, char *args);
// default wrappers:
int vf_next_config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt);
int vf_next_control(struct vf_instance_s* vf, int request, void* data);
int vf_next_query_format(struct vf_instance_s* vf, unsigned int fmt);
void vf_next_put_image(struct vf_instance_s* vf,mp_image_t *mpi);
vf_instance_t* append_filters(vf_instance_t* last);
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