/*
 * $Id$
 *
 * (C) 2003-2006 Gabest
 * (C) 2006-2010 see AUTHORS
 *
 * This file is part of mplayerc.
 *
 * Mplayerc 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 3 of the License, or
 * (at your option) any later version.
 *
 * Mplayerc 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#pragma once

#pragma pack(1)


typedef unsigned __int8   uint8_t;
typedef unsigned __int16  uint16_t;
typedef unsigned __int32  uint32_t;


class CIfo
{
public:
	CIfo();

	bool OpenFile (LPCTSTR strFile);
	bool SaveFile (LPCTSTR strFile);
	bool RemoveUOPs();

	~CIfo(void);

private :

	typedef struct
	{
		uint16_t id		: 16;	// Language
		uint16_t		: 16;	// don't know
		uint32_t start	: 32;	// Start of unit
	} pgci_sub_t;

	typedef struct
	{
		uint8_t	hour;
		uint8_t	minute;
		uint8_t	second;
		uint8_t	frame_u;		// The two high bits are the frame rate.
	}   dvd_time_t;

	typedef uint8_t  command_data_t[8];
#define COMMAND_DATA_SIZE 8

	typedef struct				// PGC Command Table
	{
		uint16_t nr_of_pre;
		uint16_t nr_of_post;
		uint16_t nr_of_cell;
		uint16_t tbl_len;
		command_data_t *pre_commands;
		command_data_t *post_commands;
		command_data_t *cell_commands;
	}  pgc_command_tbl_t;
#define PGC_COMMAND_TBL_SIZE 8

	typedef uint8_t  pgc_program_map_t;

	typedef struct				// Cell Playback Information
	{
		uint8_t	chain_info	: 8; // 0x5e 0xde(2 angles, no overlay), 0x5f 0x9f 0x9f 0xdf(4 angles overlay), 0x2 0xa 0x8(1 angle)
		uint8_t foo;				// parental control ??
		uint8_t still_time;
		uint8_t cell_cmd;

		dvd_time_t playback_time;
		uint32_t vobu_start;  			// 1st vobu start
		uint32_t ilvu_end;
		uint32_t vobu_last_start;
		uint32_t vobu_last_end;
	}  ifo_pgci_caddr_t;

	typedef struct				// Cell Position Information
	{
		uint16_t vob_id		: 16;	// Video Object Identifier
		uint8_t  foo		: 8;	// Unknown
		uint8_t  cell_id	: 8;	// Cell Identifier
	}  ifo_pgc_cpos_t;

#ifndef CLUT_T
#define CLUT_T

	typedef struct			// CLUT == Color LookUp Table
	{
		uint8_t foo		: 8;    // UNKNOWN: 0x00?
		uint8_t y		: 8;
		uint8_t cr		: 8;
		uint8_t cb		: 8;
	}  clut_t;
#endif

	typedef struct			// Audio Status
	{
#if BYTE_ORDER == BIG_ENDIAN
		uint8_t available	: 1;
		uint8_t link		: 7;
#else
		uint8_t link		: 7;
		uint8_t available	: 1;
#endif
		uint8_t foo		: 8; // UNKNOWN
	}  audio_status_t;


	typedef struct			// Subpicture status
	{
#if BYTE_ORDER == BIG_ENDIAN
		uint8_t available	: 1;
		uint8_t format4_3	: 7;
#else
		uint8_t format4_3	: 7;
		uint8_t available	: 1;
#endif
		uint8_t wide		: 8;
		uint8_t letter		: 8;
		uint8_t pan		: 8;
	}  subp_status_t;


	typedef struct			// Program Chain Information
	{
		uint16_t zero_1;
		uint8_t	 nr_of_programs;
		uint8_t	 nr_of_cells;
		dvd_time_t playback_time;
		uint32_t prohibited_ops;	// New type?
		audio_status_t audio_status[8];
		subp_status_t subp_status[32];
		uint16_t next_pgc_nr;
		uint16_t prev_pgc_nr;
		uint16_t goup_pgc_nr;
		uint8_t	 still_time;
		uint8_t	 pg_playback_mode;
		clut_t   clut[16];
		uint16_t pgc_command_tbl_offset;
		uint16_t pgc_program_map_offset;
		uint16_t cell_playback_tbl_offset;
		uint16_t cell_position_tbl_offset;
		pgc_command_tbl_t	*pgc_command_tbl;
		pgc_program_map_t	*pgc_program_map;
		ifo_pgci_caddr_t	*cell_playback_tbl;
		ifo_pgc_cpos_t		*cell_position_tbl;
	}  pgc_t;
#define PGC_SIZE 236

	typedef struct
	{
		uint16_t num		: 16;   // number of entries
		uint16_t		: 16;   // UNKNOWN
		uint32_t len		: 32;   // length of table
	} ifo_hdr_t;

	typedef struct
	{
#if BYTE_ORDER == BIG_ENDIAN
		uint16_t foo1		: 4;		// don't know
		uint8_t menu_id		: 4;		// 0=off, 3=root, 4=spu,
		// 5=audio, 6=angle, 7=ptt
#else
		uint8_t menu_id		: 4;		// 0=off, 3=root, 4=spu,
		// 5=audio, 6=angle, 7=ptt
		uint16_t foo1		: 4;	// don't know
#endif
		uint16_t foo2		: 8;	// don't know
		uint16_t bar		: 16;	// don't know
		uint32_t start		: 32;	// Start of unit
	} lu_sub_t;


	BYTE*			m_pBuffer;
	DWORD			m_dwSize;

	ifo_hdr_t*	m_pPGCI;
	ifo_hdr_t*	m_pPGCIT;

	bool		IsVTS();
	bool		IsVMG();

	pgc_t*		GetFirstPGC();
	pgc_t*		GetPGCI(const int title, const ifo_hdr_t* hdr);
	int			GetMiscPGCI (ifo_hdr_t *hdr, int title, uint8_t **ptr);
	void		RemovePgciUOPs (uint8_t *ptr);
};