Hu Chunming / FFNvDecoder

/*
writer:Kevin.liu
Date:2010-08-06
*/
#ifndef __HEADER_PACK_HEADER_DEF_H__
#define __HEADER_PACK_HEADER_DEF_H__

#include <stdint.h>

typedef struct PS_HEADER_tag
{
	unsigned char pack_start_code[4];		//'0x000001BA'

	unsigned char system_clock_reference_base21:2;
	unsigned char marker_bit:1;
	unsigned char system_clock_reference_base1:3;
	unsigned char fix_bit:2;				//'01'
	
	unsigned char system_clock_reference_base22;

	unsigned char system_clock_reference_base31:2;
	unsigned char marker_bit1:1;
	unsigned char system_clock_reference_base23:5;

	unsigned char system_clock_reference_base32;

	unsigned char system_clock_reference_extension1:2;
	unsigned char marker_bit2:1;
	unsigned char system_clock_reference_base33:5;	//system_clock_reference_base 33bit

	unsigned char marker_bit3:1;
	unsigned char system_clock_reference_extension2:7; //system_clock_reference_extension 9bit
	
	unsigned char program_mux_rate1;

	unsigned char program_mux_rate2;

	unsigned char marker_bit5:1;
	unsigned char marker_bit4:1;
	unsigned char program_mux_rate3:6;

	unsigned char pack_stuffing_length:3;
	unsigned char reserved:5;
	
	PS_HEADER_tag()
	{
		pack_start_code[0] = 0x00;
		pack_start_code[1] = 0x00;
		pack_start_code[2] = 0x01;
		pack_start_code[3] = 0xBA;
		fix_bit = 0x01;	
		marker_bit = 0x01;
		marker_bit1 = 0x01;
		marker_bit2 = 0x01;
		marker_bit3 = 0x01;
		marker_bit4 = 0x01;
		marker_bit5 = 0x01;
		reserved = 0x1F;
		pack_stuffing_length = 0x00;
		system_clock_reference_extension1 = 0;
		system_clock_reference_extension2 = 0;
	}
	
	void getSystem_clock_reference_base(uint64_t &_ui64SCR)
	{
		_ui64SCR = (system_clock_reference_base1 << 30) | (system_clock_reference_base21 << 28)
			| (system_clock_reference_base22 << 20) | (system_clock_reference_base23 << 15)
			| (system_clock_reference_base31 << 13) | (system_clock_reference_base32 << 5)
			| (system_clock_reference_base33);

	}

	void setSystem_clock_reference_base(uint64_t _ui64SCR)
	{
		system_clock_reference_base1 = (_ui64SCR >> 30) & 0x07;
		system_clock_reference_base21 = (_ui64SCR >> 28) & 0x03;
		system_clock_reference_base22 = (_ui64SCR >> 20) & 0xFF;
		system_clock_reference_base23 = (_ui64SCR >> 15) & 0x1F;
		system_clock_reference_base31 = (_ui64SCR >> 13) & 0x03;
		system_clock_reference_base32 = (_ui64SCR >> 5) & 0xFF;
		system_clock_reference_base33 = _ui64SCR & 0x1F;
	}

	void getProgram_mux_rate(unsigned int &_uiMux_rate)
	{
		_uiMux_rate = (program_mux_rate1 << 14) | (program_mux_rate2 << 6) | program_mux_rate3;
	}

	void setProgram_mux_rate(unsigned int _uiMux_rate)
	{
		program_mux_rate1 = (_uiMux_rate >> 14) & 0xFF;
		program_mux_rate2 = (_uiMux_rate >> 6) & 0xFF;
		program_mux_rate3 = _uiMux_rate & 0x3F;
	}
		
}*pPS_HEADER_tag;

typedef struct PES_HEADER_tag
{
	unsigned char	packet_start_code_prefix[3];
	unsigned char	stream_id;
	unsigned char	PES_packet_length[2];

	unsigned char	original_or_copy:1;
	unsigned char	copyright:1;
	unsigned char	data_alignment_indicator:1;
	unsigned char	PES_priority:1;
	unsigned char	PES_scrambling_control:2;
	unsigned char	fix_bit:2;

	unsigned char	PES_extension_flag:1;
	unsigned char	PES_CRC_flag:1;
	unsigned char	additional_copy_info_flag:1;
	unsigned char	DSM_trick_mode_flag:1;
	unsigned char	ES_rate_flag:1;
	unsigned char	ESCR_flag:1;
	unsigned char	PTS_DTS_flags:2;

	unsigned char	PES_header_data_length;

	PES_HEADER_tag()
	{
		packet_start_code_prefix[0] = 0x00;
		packet_start_code_prefix[1] = 0x00;
		packet_start_code_prefix[2] = 0x01;

		PES_packet_length[0] = 0x00;
		PES_packet_length[1] = 0x00;

		stream_id = 0xE0;
		fix_bit = 0x02;
	}

}*pPES_HEADER_tag;

typedef struct PTS_tag
{
	unsigned char marker_bit:1;
	unsigned char PTS1:3;
	unsigned char fix_bit:4;

	unsigned char PTS21;

	unsigned char marker_bit1:1;
	unsigned char PTS22:7;

	unsigned char PTS31; 

	unsigned char marker_bit2:1;
	unsigned char PTS32:7;

	PTS_tag()
	{
		fix_bit = 0x02;
		marker_bit = 0x01;
		marker_bit1 = 0x01;
		marker_bit2 = 0x01;
	}

	void getPTS(uint64_t &_ui64PTS)
	{
		_ui64PTS = (PTS1 << 30) | (PTS21 << 22)
			| (PTS22 << 15) | (PTS31 << 7) | (PTS32);
		
	}

	void setPTS(uint64_t _ui64PTS)
	{
		PTS1 = (_ui64PTS >> 30) & 0x07;
		PTS21 = (_ui64PTS >> 22) & 0xFF;
		PTS22 = (_ui64PTS >> 15) & 0x7F;
		PTS31 = (_ui64PTS >> 7) & 0xFF;
		PTS32 = _ui64PTS & 0x7F;
	}
}*pPTS_tag;

typedef struct PSM_tag
{
	unsigned char packet_start_code_prefix[3];
	unsigned char map_stream_id;
	unsigned char program_stream_map_length[2];
	
	unsigned char program_stream_map_version:5;
	unsigned char reserved1:2;
	unsigned char current_next_indicator:1;

	unsigned char marker_bit:1;
	unsigned char reserved2:7;

	unsigned char program_stream_info_length[2];
	unsigned char elementary_stream_map_length[2];
	unsigned char stream_type;
	unsigned char elementary_stream_id;
	unsigned char elementary_stream_info_length[2];
	unsigned char CRC_32[4];

	PSM_tag()
	{
		packet_start_code_prefix[0] = 0x00;
		packet_start_code_prefix[1] = 0x00;
		packet_start_code_prefix[2] = 0x01;
	
		map_stream_id = 0xBC;
		program_stream_map_length[0] = 0x00;
		program_stream_map_length[1] = 0x0E;

		program_stream_map_version = 0x00;
		current_next_indicator = 0x01;
		reserved1 = 0x03;
		program_stream_map_version = 0x00;

		reserved2 = 0x7F;
		marker_bit = 0x01;

		program_stream_info_length[0] = 0x00;
		program_stream_info_length[1] = 0x00;

		elementary_stream_map_length[0] = 0x00;
		elementary_stream_map_length[1] = 0x04;
		
		stream_type = 0x1B;
		elementary_stream_id = 0xE0;

		elementary_stream_info_length[0] = 0x00;
		elementary_stream_info_length[1] = 0x00;

		CRC_32[3] = 0x45;
		CRC_32[2] = 0xBD;
		CRC_32[1] = 0xDC;
		CRC_32[0] = 0xF4;
	}
}*pPSM_tag;

#endif