libmpcodecs/vf.h

   1 #ifndef MPLAYER_VF_H
   2 #define MPLAYER_VF_H
   3
   4 #include "mp_image.h"
   5
   6 struct MPOpts;
   7 struct vf_instance;
   8 struct vf_priv_s;
   9
  10 typedef struct vf_info_s {
  11     const char *info;
  12     const char *name;
  13     const char *author;
  14     const char *comment;
  15     int (*open)(struct vf_instance* vf,char* args);
  16     // Ptr to a struct dscribing the options
  17     const void* opts;
  18 } vf_info_t;
  19
  20 typedef struct vf_image_context_s {
  21     mp_image_t* static_images[2];
  22     mp_image_t* temp_images[1];
  23     mp_image_t* export_images[1];
  24     int static_idx;
  25 } vf_image_context_t;
  26
  27 typedef struct vf_format_context_t {
  28     int have_configured;
  29     int orig_width, orig_height, orig_fmt;
  30 } vf_format_context_t;
  31
  32 typedef struct vf_instance {
  33     const vf_info_t* info;
  34     // funcs:
  35     int (*config)(struct vf_instance* vf,
  36         int width, int height, int d_width, int d_height,
  37         unsigned int flags, unsigned int outfmt);
  38     int (*control)(struct vf_instance* vf,
  39         int request, void* data);
  40     int (*query_format)(struct vf_instance* vf,
  41         unsigned int fmt);
  42     void (*get_image)(struct vf_instance* vf,
  43         mp_image_t *mpi);
  44     int (*put_image)(struct vf_instance* vf,
  45         mp_image_t *mpi, double pts);
  46     void (*start_slice)(struct vf_instance* vf,
  47         mp_image_t *mpi);
  48     void (*draw_slice)(struct vf_instance* vf,
  49         unsigned char** src, int* stride, int w,int h, int x, int y);
  50     void (*uninit)(struct vf_instance* vf);
  51
  52     int (*continue_buffered_image)(struct vf_instance* vf);
  53     // caps:
  54     unsigned int default_caps; // used by default query_format()
  55     unsigned int default_reqs; // used by default config()
  56     // data:
  57     int w, h;
  58     vf_image_context_t imgctx;
  59     vf_format_context_t fmt;
  60     struct vf_instance* next;
  61     mp_image_t *dmpi;
  62     struct vf_priv_s* priv;
  63     struct MPOpts *opts;
  64 } vf_instance_t;
  65
  66 // control codes:
  67 #include "mpc_info.h"
  68
  69 typedef struct vf_seteq_s
  70 {
  71     const char *item;
  72     int value;
  73 } vf_equalizer_t;
  74
  75 #define VFCTRL_QUERY_MAX_PP_LEVEL 4 /* test for postprocessing support (max level) */
  76 #define VFCTRL_SET_PP_LEVEL 5 /* set postprocessing level */
  77 #define VFCTRL_SET_EQUALIZER 6 /* set color options (brightness,contrast etc) */
  78 #define VFCTRL_GET_EQUALIZER 8 /* gset color options (brightness,contrast etc) */
  79 #define VFCTRL_DRAW_OSD 7
  80 #define VFCTRL_CHANGE_RECTANGLE 9 /* Change the rectangle boundaries */
  81 #define VFCTRL_FLIP_PAGE 10 /* Tell the vo to flip pages */
  82 #define VFCTRL_DUPLICATE_FRAME 11 /* For encoding - encode zero-change frame */
  83 #define VFCTRL_SKIP_NEXT_FRAME 12 /* For encoding - drop the next frame that passes thru */
  84 #define VFCTRL_FLUSH_FRAMES    13 /* For encoding - flush delayed frames */
  85 #define VFCTRL_SCREENSHOT      14 /* Make a screenshot */
  86 #define VFCTRL_INIT_EOSD       15 /* Select EOSD renderer */
  87 #define VFCTRL_DRAW_EOSD       16 /* Render EOSD */
  88 #define VFCTRL_GET_PTS         17 /* Return last pts value that reached vf_vo*/
  89 #define VFCTRL_SET_DEINTERLACE 18 /* Set deinterlacing status */
  90 #define VFCTRL_GET_DEINTERLACE 19 /* Get deinterlacing status */
  91 /* Hack to make the OSD state object available to vf_expand which accesses
  92  * the OSD state outside of normal OSD draw time. */
  93 #define VFCTRL_SET_OSD_OBJ 20
  94 #define VFCTRL_REDRAW_OSD  21 /* Change user-visible OSD immediately */
  95
  96 #include "vfcap.h"
  97
  98 //FIXME this should be in a common header, but i dunno which
  99 #define MP_NOPTS_VALUE (-1LL<<63) //both int64_t and double should be able to represent this exactly
 100
 101
 102 // functions:
 103 void vf_mpi_clear(mp_image_t* mpi,int x0,int y0,int w,int h);
 104 mp_image_t* vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h);
 105
 106 vf_instance_t* vf_open_plugin(struct MPOpts *opts, const vf_info_t* const* filter_list, vf_instance_t* next, const char *name, char **args);
 107 vf_instance_t* vf_open_filter(struct MPOpts *opts, vf_instance_t* next, const char *name, char **args);
 108 vf_instance_t* vf_add_before_vo(vf_instance_t **vf, char *name, char **args);
 109 vf_instance_t* vf_open_encoder(struct MPOpts *opts, vf_instance_t* next, const char *name, char *args);
 110
 111 unsigned int vf_match_csp(vf_instance_t** vfp,const unsigned int* list,unsigned int preferred);
 112 void vf_clone_mpi_attributes(mp_image_t* dst, mp_image_t* src);
 113 void vf_queue_frame(vf_instance_t *vf, int (*)(vf_instance_t *));
 114 int vf_output_queued_frame(vf_instance_t *vf);
 115
 116 // default wrappers:
 117 int vf_next_config(struct vf_instance* vf,
 118         int width, int height, int d_width, int d_height,
 119         unsigned int flags, unsigned int outfmt);
 120 int vf_next_control(struct vf_instance* vf, int request, void* data);
 121 int vf_next_query_format(struct vf_instance* vf, unsigned int fmt);
 122 int vf_next_put_image(struct vf_instance* vf,mp_image_t *mpi, double pts);
 123 void vf_next_draw_slice (struct vf_instance* vf, unsigned char** src, int* stride, int w,int h, int x, int y);
 124
 125 struct m_obj_settings;
 126 vf_instance_t* append_filters(vf_instance_t* last, struct m_obj_settings *vf_settings);
 127
 128 void vf_uninit_filter(vf_instance_t* vf);
 129 void vf_uninit_filter_chain(vf_instance_t* vf);
 130
 131 int vf_config_wrapper(struct vf_instance* vf,
 132                       int width, int height, int d_width, int d_height,
 133                       unsigned int flags, unsigned int outfmt);
 134
 135 #endif /* MPLAYER_VF_H */