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 #define NUM_NUMBERED_MPI 50
  20
  21 typedef struct vf_image_context_s {
  22     mp_image_t* static_images[2];
  23     mp_image_t* temp_images[1];
  24     mp_image_t* export_images[1];
  25     mp_image_t* numbered_images[NUM_NUMBERED_MPI];
  26     int static_idx;
  27 } vf_image_context_t;
  28
  29 typedef struct vf_format_context_t {
  30     int have_configured;
  31     int orig_width, orig_height, orig_fmt;
  32 } vf_format_context_t;
  33
  34 typedef struct vf_instance_s {
  35     const vf_info_t* info;
  36     // funcs:
  37     int (*config)(struct vf_instance_s* vf,
  38         int width, int height, int d_width, int d_height,
  39         unsigned int flags, unsigned int outfmt);
  40     int (*control)(struct vf_instance_s* vf,
  41         int request, void* data);
  42     int (*query_format)(struct vf_instance_s* vf,
  43         unsigned int fmt);
  44     void (*get_image)(struct vf_instance_s* vf,
  45         mp_image_t *mpi);
  46     int (*put_image)(struct vf_instance_s* vf,
  47         mp_image_t *mpi, double pts);
  48     void (*start_slice)(struct vf_instance_s* vf,
  49         mp_image_t *mpi);
  50     void (*draw_slice)(struct vf_instance_s* vf,
  51         unsigned char** src, int* stride, int w,int h, int x, int y);
  52     void (*uninit)(struct vf_instance_s* vf);
  53
  54     int (*continue_buffered_image)(struct vf_instance_s* vf);
  55     // caps:
  56     unsigned int default_caps; // used by default query_format()
  57     unsigned int default_reqs; // used by default config()
  58     // data:
  59     int w, h;
  60     vf_image_context_t imgctx;
  61     vf_format_context_t fmt;
  62     struct vf_instance_s* next;
  63     mp_image_t *dmpi;
  64     struct vf_priv_s* priv;
  65 } vf_instance_t;
  66
  67 // control codes:
  68 #include "mpc_info.h"
  69
  70 typedef struct vf_seteq_s
  71 {
  72     const char *item;
  73     int value;
  74 } vf_equalizer_t;
  75
  76 #define VFCTRL_QUERY_MAX_PP_LEVEL 4 /* test for postprocessing support (max level) */
  77 #define VFCTRL_SET_PP_LEVEL 5 /* set postprocessing level */
  78 #define VFCTRL_SET_EQUALIZER 6 /* set color options (brightness,contrast etc) */
  79 #define VFCTRL_GET_EQUALIZER 8 /* gset color options (brightness,contrast etc) */
  80 #define VFCTRL_DRAW_OSD 7
  81 #define VFCTRL_CHANGE_RECTANGLE 9 /* Change the rectangle boundaries */
  82 #define VFCTRL_FLIP_PAGE 10 /* Tell the vo to flip pages */
  83 #define VFCTRL_DUPLICATE_FRAME 11 /* For encoding - encode zero-change frame */
  84 #define VFCTRL_SKIP_NEXT_FRAME 12 /* For encoding - drop the next frame that passes thru */
  85 #define VFCTRL_FLUSH_FRAMES    13 /* For encoding - flush delayed frames */
  86 #define VFCTRL_SCREENSHOT      14 /* Make a screenshot */
  87 #define VFCTRL_INIT_EOSD       15 /* Select EOSD renderer */
  88 #define VFCTRL_DRAW_EOSD       16 /* Render EOSD */
  89 #define VFCTRL_GET_PTS         17 /* Return last pts value that reached vf_vo*/
  90 #define VFCTRL_SET_DEINTERLACE 18 /* Set deinterlacing status */
  91 #define VFCTRL_GET_DEINTERLACE 19 /* Get deinterlacing status */
  92
  93 #include "vfcap.h"
  94
  95 //FIXME this should be in a common header, but i dunno which
  96 #define MP_NOPTS_VALUE (-1LL<<63) //both int64_t and double should be able to represent this exactly
  97
  98
  99 // functions:
 100 void vf_mpi_clear(mp_image_t* mpi,int x0,int y0,int w,int h);
 101 mp_image_t* vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h);
 102
 103 vf_instance_t* vf_open_plugin(const vf_info_t* const* filter_list, vf_instance_t* next, const char *name, char **args);
 104 vf_instance_t* vf_open_filter(vf_instance_t* next, const char *name, char **args);
 105 vf_instance_t* vf_add_before_vo(vf_instance_t **vf, char *name, char **args);
 106 vf_instance_t* vf_open_encoder(vf_instance_t* next, const char *name, char *args);
 107
 108 unsigned int vf_match_csp(vf_instance_t** vfp,const unsigned int* list,unsigned int preferred);
 109 void vf_clone_mpi_attributes(mp_image_t* dst, mp_image_t* src);
 110 void vf_queue_frame(vf_instance_t *vf, int (*)(vf_instance_t *));
 111 int vf_output_queued_frame(vf_instance_t *vf);
 112
 113 // default wrappers:
 114 int vf_next_config(struct vf_instance_s* vf,
 115         int width, int height, int d_width, int d_height,
 116         unsigned int flags, unsigned int outfmt);
 117 int vf_next_control(struct vf_instance_s* vf, int request, void* data);
 118 void vf_extra_flip(struct vf_instance_s* vf);
 119 int vf_next_query_format(struct vf_instance_s* vf, unsigned int fmt);
 120 int vf_next_put_image(struct vf_instance_s* vf,mp_image_t *mpi, double pts);
 121 void vf_next_draw_slice (struct vf_instance_s* vf, unsigned char** src, int* stride, int w,int h, int x, int y);
 122
 123 vf_instance_t* append_filters(vf_instance_t* last);
 124
 125 void vf_uninit_filter(vf_instance_t* vf);
 126 void vf_uninit_filter_chain(vf_instance_t* vf);
 127
 128 int vf_config_wrapper(struct vf_instance_s* vf,
 129                       int width, int height, int d_width, int d_height,
 130                       unsigned int flags, unsigned int outfmt);
 131
 132 #endif /* MPLAYER_VF_H */