libmpcodecs/vf.h

   1 #ifndef MPLAYER_VF_H
   2 #define MPLAYER_VF_H
   3
   4 #include "mp_image.h"
   5
   6 struct vf_instance_s;
   7 struct vf_priv_s;
   8
   9 typedef struct vf_info_s {
  10     const char *info;
  11     const char *name;
  12     const char *author;
  13     const char *comment;
  14     int (*open)(struct vf_instance_s* vf,char* args);
  15     // Ptr to a struct dscribing the options
  16     const void* opts;
  17 } vf_info_t;
  18
  19 typedef struct vf_image_context_s {
  20     mp_image_t* static_images[2];
  21     mp_image_t* temp_images[1];
  22     mp_image_t* export_images[1];
  23     int static_idx;
  24 } vf_image_context_t;
  25
  26 typedef struct vf_format_context_t {
  27     int have_configured;
  28     int orig_width, orig_height, orig_fmt;
  29 } vf_format_context_t;
  30
  31 typedef struct vf_instance_s {
  32     const vf_info_t* info;
  33     // funcs:
  34     int (*config)(struct vf_instance_s* vf,
  35         int width, int height, int d_width, int d_height,
  36         unsigned int flags, unsigned int outfmt);
  37     int (*control)(struct vf_instance_s* vf,
  38         int request, void* data);
  39     int (*query_format)(struct vf_instance_s* vf,
  40         unsigned int fmt);
  41     void (*get_image)(struct vf_instance_s* vf,
  42         mp_image_t *mpi);
  43     int (*put_image)(struct vf_instance_s* vf,
  44         mp_image_t *mpi, double pts);
  45     void (*start_slice)(struct vf_instance_s* vf,
  46         mp_image_t *mpi);
  47     void (*draw_slice)(struct vf_instance_s* vf,
  48         unsigned char** src, int* stride, int w,int h, int x, int y);
  49     void (*uninit)(struct vf_instance_s* vf);
  50
  51     int (*continue_buffered_image)(struct vf_instance_s* vf);
  52     // caps:
  53     unsigned int default_caps; // used by default query_format()
  54     unsigned int default_reqs; // used by default config()
  55     // data:
  56     int w, h;
  57     vf_image_context_t imgctx;
  58     vf_format_context_t fmt;
  59     struct vf_instance_s* next;
  60     mp_image_t *dmpi;
  61     struct vf_priv_s* priv;
  62 } vf_instance_t;
  63
  64 // control codes:
  65 #include "mpc_info.h"
  66
  67 typedef struct vf_seteq_s
  68 {
  69     const char *item;
  70     int value;
  71 } vf_equalizer_t;
  72
  73 #define VFCTRL_QUERY_MAX_PP_LEVEL 4 /* test for postprocessing support (max level) */
  74 #define VFCTRL_SET_PP_LEVEL 5 /* set postprocessing level */
  75 #define VFCTRL_SET_EQUALIZER 6 /* set color options (brightness,contrast etc) */
  76 #define VFCTRL_GET_EQUALIZER 8 /* gset color options (brightness,contrast etc) */
  77 #define VFCTRL_DRAW_OSD 7
  78 #define VFCTRL_CHANGE_RECTANGLE 9 /* Change the rectangle boundaries */
  79 #define VFCTRL_FLIP_PAGE 10 /* Tell the vo to flip pages */
  80 #define VFCTRL_DUPLICATE_FRAME 11 /* For encoding - encode zero-change frame */
  81 #define VFCTRL_SKIP_NEXT_FRAME 12 /* For encoding - drop the next frame that passes thru */
  82 #define VFCTRL_FLUSH_FRAMES    13 /* For encoding - flush delayed frames */
  83 #define VFCTRL_SCREENSHOT      14 /* Make a screenshot */
  84 #define VFCTRL_INIT_EOSD       15 /* Select EOSD renderer */
  85 #define VFCTRL_DRAW_EOSD       16 /* Render EOSD */
  86 #define VFCTRL_GET_PTS         17 /* Return last pts value that reached vf_vo*/
  87 #define VFCTRL_SET_DEINTERLACE 18 /* Set deinterlacing status */
  88 #define VFCTRL_GET_DEINTERLACE 19 /* Get deinterlacing status */
  89
  90 #include "vfcap.h"
  91
  92 //FIXME this should be in a common header, but i dunno which
  93 #define MP_NOPTS_VALUE (-1LL<<63) //both int64_t and double should be able to represent this exactly
  94
  95
  96 // functions:
  97 void vf_mpi_clear(mp_image_t* mpi,int x0,int y0,int w,int h);
  98 mp_image_t* vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h);
  99
 100 vf_instance_t* vf_open_plugin(const vf_info_t* const* filter_list, vf_instance_t* next, const char *name, char **args);
 101 vf_instance_t* vf_open_filter(vf_instance_t* next, const char *name, char **args);
 102 vf_instance_t* vf_add_before_vo(vf_instance_t **vf, char *name, char **args);
 103 vf_instance_t* vf_open_encoder(vf_instance_t* next, const char *name, char *args);
 104
 105 unsigned int vf_match_csp(vf_instance_t** vfp,const unsigned int* list,unsigned int preferred);
 106 void vf_clone_mpi_attributes(mp_image_t* dst, mp_image_t* src);
 107 void vf_queue_frame(vf_instance_t *vf, int (*)(vf_instance_t *));
 108 int vf_output_queued_frame(vf_instance_t *vf);
 109
 110 // default wrappers:
 111 int vf_next_config(struct vf_instance_s* vf,
 112         int width, int height, int d_width, int d_height,
 113         unsigned int flags, unsigned int outfmt);
 114 int vf_next_control(struct vf_instance_s* vf, int request, void* data);
 115 void vf_extra_flip(struct vf_instance_s* vf);
 116 int vf_next_query_format(struct vf_instance_s* vf, unsigned int fmt);
 117 int vf_next_put_image(struct vf_instance_s* vf,mp_image_t *mpi, double pts);
 118 void vf_next_draw_slice (struct vf_instance_s* vf, unsigned char** src, int* stride, int w,int h, int x, int y);
 119
 120 vf_instance_t* append_filters(vf_instance_t* last);
 121
 122 void vf_uninit_filter(vf_instance_t* vf);
 123 void vf_uninit_filter_chain(vf_instance_t* vf);
 124
 125 int vf_config_wrapper(struct vf_instance_s* vf,
 126                       int width, int height, int d_width, int d_height,
 127                       unsigned int flags, unsigned int outfmt);
 128
 129 #endif /* MPLAYER_VF_H */