/*
 * dvb_dr_13818.h -- header for descriptor tag for 0x02~0x12(13818-1) 0x13~0x1a(13818-6)
 *
 * Copyright (C) 2006 SunMedia Co, chengdu
 * Author anlzhao@sunmedia.com.cn
 *
 * The source code in this file is written by anlzhao referring to  
 * 13818 and owned by SunMedia Coporation. Application interface 
 * for the MPEG 2 "conditional access" descriptor decoder.This descriptor's 
 * definition can be found in ISO/IEC 13818-1 section 2.6.16. and 13818-6.
 *
 * BUGS:
 *
 */
 
#ifndef _DVB_DR_13818_H_
#define _DVB_DR_13818_H_

#include <types.h>
#include "dvb_dr.h"
 
/*
 * struct dvbpsi_ca_dr_s(0x09)
 * brief "conditional access" descriptor structure.
 * This structure is used to store a decoded "conditional access"
 * descriptor. (ISO/IEC 13818-1 section 2.6.16).
 * 
 */
typedef struct dvbpsi_ca_dr_s
{
    UINT16  i_ca_system_id;     /* CA_system_ID */
    UINT16  i_ca_pid;           /*  CA_PID */
    UINT8   i_private_length;   /* length of the i_private_data array */
    UINT8   i_private_data[256];/* private_data_byte */
} dvbpsi_ca_dr_t;


/*
 * struct dvbpsi_iso639_dr_s(0x0a)
 * brief "ISO 639 language" descriptor structure
 * This structure is used to store a decoded "ISO 639 language"
 * descriptor. (ISO/IEC 13818-1 section 2.6.18).
 */
typedef struct dvbpsi_iso639_dr_s
{
    UINT8   i_code_count;       /* length of the i_iso_639_code array */
    UINT8   i_iso_639_code[64][3];/* ISO_639_language_code */
    UINT8   i_audio_type[64];       /* audio_type */
} dvbpsi_iso639_dr_t;

#ifdef CONFIG_DTMB_SYSTEM
/*
 * struct dvbpsi_DRA_audio_dr_s(0xa0)
 * brief "DRA audio stream" descriptor structure
 * This structure is used to store a decoded "DRA audio stream"
 * descriptor.
 */
typedef struct dvbpsi_DRA_audio_dr_s
{
	UINT8	text_flag;
	UINT8	text_length;
    UINT8	*text;
	UINT8	language_flag;
    UINT8   language[4]; 
} dvbpsi_DRA_audio_dr_t;
#endif

/*
 * brief "conditional access(0x09)" descriptor decoder.
 * @pu8Descriptor: Pointer to the descriptor buffer
 * @n16Len: The total descriptor length
 * return a pointer to a new "conditional access" descriptor structure which
 * contains the decoded data.
 */
dvbpsi_ca_dr_t *dvbpsi_DecodeCADr(UINT8 *pu8Descriptor, INT16 n16Len);

/*
 * brief "ISO 639 language(0x0a)" descriptor decoder.
 * @pu8Descriptor: Pointer to the descriptor buffer
 * @n16Len: The total descriptor length
 * return a pointer to a new "ISO 639 language" descriptor structure which
 * contains the decoded data.
 */
dvbpsi_iso639_dr_t *dvbpsi_DecodeISO639Dr(UINT8 *pu8Descriptor, INT16 n16Len, dvbsi_special_spec eFollowSpecialSpec);

#ifdef CONFIG_DTMB_SYSTEM
dvbpsi_DRA_audio_dr_t *dvbpsi_DecodeDRAAudioDr(UINT8 * pu8Descriptor, INT16 n16Len);
UINT32 dvbpsi_DecodeDRARegistrationDr(UINT8 * pu8Descriptor, INT16 n16Len);
#else

/*
 * content protection descriptor decoder for Nordig.
 * @pu8Descriptor: Pointer to the descriptor buffer
 * @n16Len: The total descriptor length
 * Return value of content protection level
 * which contains the decoded data.
 */
int dvbpsi_DecodeCPDr(UINT8 * pu8Descriptor, INT16 n16Len);
#endif

#endif //#ifndef _DVB_DR_13818_H_