/*
 * This file is part of libbluray
 * Copyright (C) 2010-2012  Petri Hintukainen <phintuka@users.sourceforge.net>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see
 * <http://www.gnu.org/licenses/>.
 */

#if !defined(_GRAPHICS_CONTROLLER_H_)
#define _GRAPHICS_CONTROLLER_H_

#include <util/attributes.h>

#include <stdint.h>

/*
 *
 */

struct bd_registers_s;
struct bd_overlay_s;

/*
 * types
 */

typedef struct graphics_controller_s GRAPHICS_CONTROLLER;

typedef void (*gc_overlay_proc_f)(void *, const struct bd_overlay_s * const);

typedef enum {
    /* */
    GC_CTRL_INIT_MENU,       /* */
    GC_CTRL_NOP,             /* No input. Render page / run timers / run animations */
    GC_CTRL_RESET,           /* reset graphics controller */

    /* user input */
    GC_CTRL_VK_KEY,          /* param: bd_vk_key_e */
    GC_CTRL_MOUSE_MOVE,      /* move selected button to (x,y), param: (x<<16 | y) */

    /* HDMV VM control messages */
    GC_CTRL_ENABLE_BUTTON,   /* param: button_id */
    GC_CTRL_DISABLE_BUTTON,  /* param: button_id */
    GC_CTRL_SET_BUTTON_PAGE,
    GC_CTRL_POPUP,           /* param: on/off */
    GC_CTRL_IG_END,          /* execution of IG object is complete */

    /* PG */
    GC_CTRL_PG_UPDATE,       /* render decoded PG composition */
    GC_CTRL_PG_RESET,        /* reset PG composition state */

    /* TextST */
    GC_CTRL_PG_CHARCODE,
    GC_CTRL_STYLE_SELECT,    /* select next TextST user style */

} gc_ctrl_e;


#define GC_STATUS_NONE      0
#define GC_STATUS_POPUP     1  /* popup menu loaded */
#define GC_STATUS_MENU_OPEN 2  /* menu open */
#define GC_STATUS_ANIMATE   4  /* animation or effect running */

typedef struct {
    /* HDMV navigation command sequence */
    int   num_nav_cmds;
    void *nav_cmds;

    /* Sound idx */
    int   sound_id_ref;

    /* graphics status (none, menu, popup) */
    uint32_t status; /* bit mask */

    /* */
    uint32_t wakeup_time;
} GC_NAV_CMDS;

/*
 * init / free
 */

BD_PRIVATE GRAPHICS_CONTROLLER *gc_init(struct bd_registers_s *regs,
                                        void *handle, gc_overlay_proc_f func);

BD_PRIVATE void                 gc_free(GRAPHICS_CONTROLLER **p);

/**
 *
 *  Decode data from MPEG-TS input stream
 *
 * @param p  GRAPHICS_CONTROLLER object
 * @param pid  mpeg-ts PID to decode (HDMV IG/PG stream)
 * @param block  mpeg-ts data
 * @param num_blocks  number of aligned units in data
 * @param stc  current playback time
 * @return <0 on error, 0 when not complete, >0 when complete
 */
BD_PRIVATE int                  gc_decode_ts(GRAPHICS_CONTROLLER *p,
                                             uint16_t pid,
                                             uint8_t *block, unsigned num_blocks,
                                             int64_t stc);

/*
 * run graphics controller
 */

BD_PRIVATE int                  gc_run(GRAPHICS_CONTROLLER *p,
                                       /* in */  gc_ctrl_e msg, uint32_t param,
                                       /* out */ GC_NAV_CMDS *cmds);


/*
 * Add TextST font
 */

BD_PRIVATE int                  gc_add_font(GRAPHICS_CONTROLLER *p,
                                            const char *font_file);

#endif // _GRAPHICS_CONTROLLER_H_
