libvo/video_out.h

   1 /*
   2  * Copyright (C) Aaron Holtzman - Aug 1999
   3  * Strongly modified, most parts rewritten: A'rpi/ESP-team - 2000-2001
   4  * (C) MPlayer developers
   5  *
   6  * This file is part of MPlayer.
   7  *
   8  * MPlayer is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * MPlayer is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22
  23 #ifndef MPLAYER_VIDEO_OUT_H
  24 #define MPLAYER_VIDEO_OUT_H
  25
  26 #include <inttypes.h>
  27 #include <stdarg.h>
  28
  29 //#include "font_load.h"
  30 #include "libmpcodecs/img_format.h"
  31 //#include "vidix/vidix.h"
  32
  33 #define VO_EVENT_EXPOSE 1
  34 #define VO_EVENT_RESIZE 2
  35 #define VO_EVENT_KEYPRESS 4
  36
  37 /* Obsolete: VOCTRL_QUERY_VAA 1 */
  38 /* does the device support the required format */
  39 #define VOCTRL_QUERY_FORMAT 2
  40 /* signal a device reset seek */
  41 #define VOCTRL_RESET 3
  42 /* true if vo driver can use GUI created windows */
  43 #define VOCTRL_GUISUPPORT 4
  44 #define VOCTRL_GUI_NOWINDOW 19
  45 /* used to switch to fullscreen */
  46 #define VOCTRL_FULLSCREEN 5
  47 /* signal a device pause */
  48 #define VOCTRL_PAUSE 7
  49 /* start/resume playback */
  50 #define VOCTRL_RESUME 8
  51 /* libmpcodecs direct rendering: */
  52 #define VOCTRL_GET_IMAGE 9
  53 #define VOCTRL_DRAW_IMAGE 13
  54 #define VOCTRL_SET_SPU_PALETTE 14
  55 /* decoding ahead: */
  56 #define VOCTRL_GET_NUM_FRAMES 10
  57 #define VOCTRL_GET_FRAME_NUM  11
  58 #define VOCTRL_SET_FRAME_NUM  12
  59 #define VOCTRL_GET_PANSCAN 15
  60 #define VOCTRL_SET_PANSCAN 16
  61 /* equalizer controls */
  62 #define VOCTRL_SET_EQUALIZER 17
  63 struct voctrl_set_equalizer_args {
  64     const char *name;
  65     int value;
  66 };
  67 #define VOCTRL_GET_EQUALIZER 18
  68 struct voctrl_get_equalizer_args {
  69     const char *name;
  70     int *valueptr;
  71 };
  72 //#define VOCTRL_GUI_NOWINDOW 19
  73 /* Frame duplication */
  74 #define VOCTRL_DUPLICATE_FRAME 20
  75 // ... 21
  76 #define VOCTRL_START_SLICE 21
  77
  78 #define VOCTRL_ONTOP 25
  79 #define VOCTRL_ROOTWIN 26
  80 #define VOCTRL_BORDER 27
  81 #define VOCTRL_DRAW_EOSD 28
  82 #define VOCTRL_GET_EOSD_RES 29
  83 typedef struct {
  84   int w, h; // screen dimensions, including black borders
  85   int mt, mb, ml, mr; // borders (top, bottom, left, right)
  86 } mp_eosd_res_t;
  87
  88 #define VOCTRL_SET_DEINTERLACE 30
  89 #define VOCTRL_GET_DEINTERLACE 31
  90
  91 #define VOCTRL_UPDATE_SCREENINFO 32
  92
  93 // Vo can be used by xover
  94 #define VOCTRL_XOVERLAY_SUPPORT 22
  95
  96 #define VOCTRL_XOVERLAY_SET_COLORKEY 24
  97 typedef struct {
  98   uint32_t x11; // The raw x11 color
  99   uint16_t r,g,b;
 100 } mp_colorkey_t;
 101
 102 #define VOCTRL_XOVERLAY_SET_WIN 23
 103 #define VOCTRL_REDRAW_OSD 24
 104
 105 typedef struct {
 106   int x,y;
 107   int w,h;
 108 } mp_win_t;
 109
 110 #define VO_TRUE         1
 111 #define VO_FALSE        0
 112 #define VO_ERROR        -1
 113 #define VO_NOTAVAIL     -2
 114 #define VO_NOTIMPL      -3
 115
 116 #define VOFLAG_FULLSCREEN       0x01
 117 #define VOFLAG_MODESWITCHING    0x02
 118 #define VOFLAG_SWSCALE          0x04
 119 #define VOFLAG_FLIPPING         0x08
 120 #define VOFLAG_XOVERLAY_SUB_VO  0x10000
 121
 122 typedef struct vo_info_s
 123 {
 124         /* driver name ("Matrox Millennium G200/G400" */
 125         const char *name;
 126         /* short name (for config strings) ("mga") */
 127         const char *short_name;
 128         /* author ("Aaron Holtzman <aholtzma@ess.engr.uvic.ca>") */
 129         const char *author;
 130         /* any additional comments */
 131         const char *comment;
 132 } vo_info_t;
 133
 134 struct vo;
 135 struct osd_state;
 136
 137 struct vo_driver {
 138         // Driver uses new API
 139         int is_new;
 140
 141         // This is set if the driver is not new and contains pointers to
 142         // old-API functions to be used instead of the ones below.
 143         struct vo_old_functions *old_functions;
 144
 145         const vo_info_t *info;
 146         /*
 147          * Preinitializes driver (real INITIALIZATION)
 148          *   arg - currently it's vo_subdevice
 149          *   returns: zero on successful initialization, non-zero on error.
 150          */
 151         int (*preinit)(struct vo *vo, const char *arg);
 152         /*
 153          * Initialize (means CONFIGURE) the display driver.
 154          * params:
 155          *   width,height: image source size
 156          *   d_width,d_height: size of the requested window size, just a hint
 157          *   fullscreen: flag, 0=windowd 1=fullscreen, just a hint
 158          *   title: window title, if available
 159          *   format: fourcc of pixel format
 160          * returns : zero on successful initialization, non-zero on error.
 161          */
 162         int (*config)(struct vo *vo, uint32_t width, uint32_t height,
 163                       uint32_t d_width, uint32_t d_height, uint32_t fullscreen,
 164                       char *title, uint32_t format);
 165
 166         /*
 167          * Control interface
 168          */
 169         int (*control)(struct vo *vo, uint32_t request, void *data);
 170
 171         /*
 172          * Display a new RGB/BGR frame of the video to the screen.
 173          * params:
 174          *   src[0] - pointer to the image
 175          */
 176         int (*draw_frame)(struct vo *vo, uint8_t *src[]);
 177
 178         /*
 179          * Draw a planar YUV slice to the buffer:
 180          * params:
 181          *   src[3] = source image planes (Y,U,V)
 182          *   stride[3] = source image planes line widths (in bytes)
 183          *   w,h = width*height of area to be copied (in Y pixels)
 184          *   x,y = position at the destination image (in Y pixels)
 185          */
 186         int (*draw_slice)(struct vo *vo, uint8_t *src[], int stride[], int w,
 187                           int h, int x, int y);
 188
 189         /*
 190          * Draws OSD to the screen buffer
 191          */
 192         void (*draw_osd)(struct vo *vo, struct osd_state *osd);
 193
 194         /*
 195          * Blit/Flip buffer to the screen. Must be called after each frame!
 196          */
 197         void (*flip_page)(struct vo *vo);
 198
 199         /*
 200          * This func is called after every frames to handle keyboard and
 201          * other events. It's called in PAUSE mode too!
 202          */
 203         void (*check_events)(struct vo *vo);
 204
 205         /*
 206          * Closes driver. Should restore the original state of the system.
 207          */
 208         void (*uninit)(struct vo *vo);
 209 };
 210
 211 struct vo_old_functions {
 212     int (*preinit)(const char *arg);
 213     int (*config)(uint32_t width, uint32_t height, uint32_t d_width,
 214                   uint32_t d_height, uint32_t fullscreen, char *title,
 215                   uint32_t format);
 216     int (*control)(uint32_t request, void *data);
 217     int (*draw_frame)(uint8_t *src[]);
 218     int (*draw_slice)(uint8_t *src[], int stride[], int w,int h, int x,int y);
 219     void (*draw_osd)(void);
 220     void (*flip_page)(void);
 221     void (*check_events)(void);
 222     void (*uninit)(void);
 223 };
 224
 225 struct vo {
 226     int config_ok;  // Last config call was successful?
 227     int config_count;  // Total number of successful config calls
 228     const struct vo_driver *driver;
 229     void *priv;
 230     struct MPOpts *opts;
 231     struct vo_x11_state *x11;
 232     struct mp_fifo *key_fifo;
 233     struct input_ctx *input_ctx;
 234
 235     // requested position/resolution
 236     int dx;
 237     int dy;
 238     int dwidth;
 239     int dheight;
 240
 241     int panscan_x;
 242     int panscan_y;
 243     float panscan_amount;
 244     float monitor_aspect;
 245     struct aspect_data {
 246         int orgw; // real width
 247         int orgh; // real height
 248         int prew; // prescaled width
 249         int preh; // prescaled height
 250         int scrw; // horizontal resolution
 251         int scrh; // vertical resolution
 252         float asp;
 253     } aspdat;
 254 };
 255
 256 struct vo *init_best_video_out(struct MPOpts *opts, struct vo_x11_state *x11,
 257                                struct mp_fifo *key_fifo,
 258                                struct input_ctx *input_ctx);
 259 int vo_config(struct vo *vo, uint32_t width, uint32_t height,
 260                      uint32_t d_width, uint32_t d_height, uint32_t flags,
 261                      char *title, uint32_t format);
 262 void list_video_out(void);
 263
 264 int vo_control(struct vo *vo, uint32_t request, void *data);
 265 int vo_draw_frame(struct vo *vo, uint8_t *src[]);
 266 int vo_draw_slice(struct vo *vo, uint8_t *src[], int stride[], int w, int h, int x, int y);
 267 void vo_draw_osd(struct vo *vo, struct osd_state *osd);
 268 void vo_flip_page(struct vo *vo);
 269 void vo_check_events(struct vo *vo);
 270 void vo_destroy(struct vo *vo);
 271
 272
 273 // NULL terminated array of all drivers
 274 extern const struct vo_driver *video_out_drivers[];
 275
 276 extern int xinerama_screen;
 277 extern int xinerama_x;
 278 extern int xinerama_y;
 279
 280 extern int vo_grabpointer;
 281 extern int vo_doublebuffering;
 282 extern int vo_directrendering;
 283 extern int vo_vsync;
 284 extern int vo_fs;
 285 extern int vo_fsmode;
 286 extern float vo_panscan;
 287 extern int vo_adapter_num;
 288 extern int vo_refresh_rate;
 289 extern int vo_keepaspect;
 290 extern int vo_rootwin;
 291 extern int vo_border;
 292
 293 extern int vo_nomouse_input;
 294
 295 extern int vo_pts;
 296 extern float vo_fps;
 297
 298 extern char *vo_subdevice;
 299
 300 extern int vo_colorkey;
 301
 302 extern int64_t WinID;
 303
 304 typedef struct {
 305         float min;
 306         float max;
 307         } range_t;
 308
 309 float range_max(range_t *r);
 310 int in_range(range_t *r, float f);
 311 range_t *str2range(char *s);
 312 extern char *monitor_hfreq_str;
 313 extern char *monitor_vfreq_str;
 314 extern char *monitor_dotclock_str;
 315
 316 struct keymap {
 317   int from;
 318   int to;
 319 };
 320 int lookup_keymap_table(const struct keymap *map, int key);
 321 struct vo_rect {
 322   int left, right, top, bottom, width, height;
 323 };
 324 void calc_src_dst_rects(struct vo *vo, int src_width, int src_height,
 325                         struct vo_rect *src, struct vo_rect *dst,
 326                         struct vo_rect *borders, const struct vo_rect *crop);
 327
 328 #endif /* MPLAYER_VIDEO_OUT_H */