video_out.h

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/*
 * Copyright (C) Aaron Holtzman - Aug 1999
 * Strongly modified, most parts rewritten: A'rpi/ESP-team - 2000-2001
 * (C) MPlayer developers
 *
 * This file is part of MPlayer.
 *
 * MPlayer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * MPlayer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef MPLAYER_VIDEO_OUT_H
#define MPLAYER_VIDEO_OUT_H

#include <inttypes.h>
#include <stdarg.h>

//#include "sub/font_load.h"
#include "../img_format.h"
//#include "vidix/vidix.h"


#define ROTATE(t, x, y) do { \
  t rot_tmp = x; \
  x = y; \
  y = -rot_tmp; \
} while(0)

#define VO_EVENT_EXPOSE 1
#define VO_EVENT_RESIZE 2
#define VO_EVENT_KEYPRESS 4
#define VO_EVENT_REINIT 8
#define VO_EVENT_MOVE 16
#define VO_EVENT_MOUSE 32

/* Obsolete: VOCTRL_QUERY_VAA 1 */
/* does the device support the required format */
#define VOCTRL_QUERY_FORMAT 2
/* signal a device reset seek */
#define VOCTRL_RESET 3
/* true if vo driver can use GUI created windows */
#define VOCTRL_GUISUPPORT 4
/* used to switch to fullscreen */
#define VOCTRL_FULLSCREEN 5
/* signal a device pause */
#define VOCTRL_PAUSE 7
/* start/resume playback */
#define VOCTRL_RESUME 8
/* libmpcodecs direct rendering: */
#define VOCTRL_GET_IMAGE 9
#define VOCTRL_DRAW_IMAGE 13
#define VOCTRL_SET_SPU_PALETTE 14
/* decoding ahead: */
#define VOCTRL_GET_NUM_FRAMES 10
#define VOCTRL_GET_FRAME_NUM  11
#define VOCTRL_SET_FRAME_NUM  12
#define VOCTRL_GET_PANSCAN 15
#define VOCTRL_SET_PANSCAN 16
/* equalizer controls */
#define VOCTRL_SET_EQUALIZER 17
#define VOCTRL_GET_EQUALIZER 18
/* Frame duplication */
#define VOCTRL_DUPLICATE_FRAME 20
// ... 21
#define VOCTRL_START_SLICE 21

#define VOCTRL_ONTOP 25
#define VOCTRL_ROOTWIN 26
#define VOCTRL_BORDER 27
#define VOCTRL_DRAW_EOSD 28
#define VOCTRL_GET_EOSD_RES 29

#define VOCTRL_SET_DEINTERLACE 30
#define VOCTRL_GET_DEINTERLACE 31

#define VOCTRL_UPDATE_SCREENINFO 32

// Vo can be used by xover
#define VOCTRL_XOVERLAY_SUPPORT 22

#define VOCTRL_XOVERLAY_SET_COLORKEY 24
typedef struct {
  uint32_t x11; // The raw x11 color
  uint16_t r,g,b;
} mp_colorkey_t;

#define VOCTRL_XOVERLAY_SET_WIN 23
typedef struct {
  int x,y;
  int w,h;
} mp_win_t;

#define VO_TRUE      1
#define VO_FALSE     0
#define VO_ERROR    -1
#define VO_NOTAVAIL -2
#define VO_NOTIMPL  -3

#define VOFLAG_FULLSCREEN         0x01
#define VOFLAG_MODESWITCHING      0x02
#define VOFLAG_SWSCALE            0x04
#define VOFLAG_FLIPPING           0x08
#define VOFLAG_HIDDEN             0x10  //< Use to create a hidden window
#define VOFLAG_STEREO             0x20  //< Use to create a stereo-capable window
#define VOFLAG_DEPTH              0x40  //< Request a depth buffer
#define VOFLAG_XOVERLAY_SUB_VO 0x10000

typedef struct vo_info_s
{
    /* driver name ("Matrox Millennium G200/G400" */
    const char *name;
    /* short name (for config strings) ("mga") */
    const char *short_name;
    /* author ("Aaron Holtzman <aholtzma@ess.engr.uvic.ca>") */
    const char *author;
    /* any additional comments */
    const char *comment;
} vo_info_t;

typedef struct vo_functions_s
{
    const vo_info_t *info;
    /*
     * Preinitializes driver (real INITIALIZATION)
     *   arg - currently it's vo_subdevice
     *   returns: zero on successful initialization, non-zero on error.
     */
    int (*preinit)(const char *arg);
    /*
     * Initialize (means CONFIGURE) the display driver.
     * params:
     *   width,height: image source size
     *   d_width,d_height: size of the requested window size, just a hint
     *   fullscreen: flag, 0=windowd 1=fullscreen, just a hint
     *   title: window title, if available
     *   format: fourcc of pixel format
     * returns : zero on successful initialization, non-zero on error.
     */
    int (*config)(uint32_t width, uint32_t height, uint32_t d_width,
                  uint32_t d_height, uint32_t fullscreen, char *title,
                  uint32_t format);

    /*
     * Control interface
     */
    int (*control)(uint32_t request, void *data, ...);

    /*
     * Display a new RGB/BGR frame of the video to the screen.
     * params:
     *   src[0] - pointer to the image
     */
    int (*draw_frame)(uint8_t *src[]);

    /*
     * Draw a planar YUV slice to the buffer:
     * params:
     *   src[3] = source image planes (Y,U,V)
     *   stride[3] = source image planes line widths (in bytes)
     *   w,h = width*height of area to be copied (in Y pixels)
     *   x,y = position at the destination image (in Y pixels)
     */
    int (*draw_slice)(uint8_t *src[], int stride[], int w,int h, int x,int y);

    /*
     * Draws OSD to the screen buffer
     */
    void (*draw_osd)(void);

    /*
     * Blit/Flip buffer to the screen. Must be called after each frame!
     */
    void (*flip_page)(void);

    /*
     * This func is called after every frames to handle keyboard and
     * other events. It's called in PAUSE mode too!
     */
    void (*check_events)(void);

    /*
     * Closes driver. Should restore the original state of the system.
     */
    void (*uninit)(void);
} vo_functions_t;

const vo_functions_t* init_best_video_out(char** vo_list);
int config_video_out(const vo_functions_t *vo, uint32_t width, uint32_t height,
                     uint32_t d_width, uint32_t d_height, uint32_t flags,
                     char *title, uint32_t format);
void list_video_out(void);

// NULL terminated array of all drivers
extern const vo_functions_t* const video_out_drivers[];

extern int vo_flags;

extern int vo_config_count;

extern int xinerama_screen;
extern int xinerama_x;
extern int xinerama_y;

// correct resolution/bpp on screen:  (should be autodetected by vo_init())
extern int vo_depthonscreen;
extern int vo_screenwidth;
extern int vo_screenheight;

// requested resolution/bpp:  (-x -y -bpp options)
extern int vo_dx;
extern int vo_dy;
extern int vo_dwidth;
extern int vo_dheight;
extern int vo_dbpp;

extern int vo_grabpointer;
extern int vo_doublebuffering;
extern int vo_directrendering;
extern int vo_vsync;
extern int vo_fsmode;
extern float vo_panscan;
extern float vo_border_pos_x;
extern float vo_border_pos_y;
extern int vo_rotate;
extern int vo_adapter_num;
extern int vo_refresh_rate;
extern int vo_keepaspect;
extern int vo_rootwin;
extern int vo_ontop;
extern int vo_border;

extern int vo_gamma_gamma;
extern int vo_gamma_brightness;
extern int vo_gamma_saturation;
extern int vo_gamma_contrast;
extern int vo_gamma_hue;
extern int vo_gamma_red_intensity;
extern int vo_gamma_green_intensity;
extern int vo_gamma_blue_intensity;

extern int vo_nomouse_input;
extern int enable_mouse_movements;

extern int vo_pts;
extern float vo_fps;

extern char *vo_subdevice;

extern int vo_colorkey;

extern char *vo_winname;
extern char *vo_wintitle;

extern int64_t WinID;

typedef struct {
        float min;
        float max;
        } range_t;

float range_max(range_t *r);
int in_range(range_t *r, float f);
range_t *str2range(char *s);
extern char *monitor_hfreq_str;
extern char *monitor_vfreq_str;
extern char *monitor_dotclock_str;

struct mp_keymap {
  int from;
  int to;
};
int lookup_keymap_table(const struct mp_keymap *map, int key);
struct vo_rect {
  int left, right, top, bottom, width, height;
};
void calc_src_dst_rects(int src_width, int src_height, struct vo_rect *src, struct vo_rect *dst,
                        struct vo_rect *borders, const struct vo_rect *crop);
void vo_mouse_movement(int posx, int posy);

static inline int apply_border_pos(int full, int part, float pos) {
  if (pos >= 0.0 && pos <= 1.0) {
    return pos*(full - part);
  }
  if (pos < 0)
    return pos * part;
  return full - part + (pos - 1) * part;
}

#endif /* MPLAYER_VIDEO_OUT_H */