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Revision 168 - (download) (annotate)
Thu May 9 00:15:51 2002 UTC (21 years, 10 months ago) by chenm001
File size: 1299 byte(s)
add low_delay decode support
#ifndef _DECODER_H_
#define _DECODER_H_

#include "xvid.h"

#include "portab.h"
#include "global.h"
#include "image/image.h"


typedef struct
{
	// bitstream

	uint32_t shape;
	uint32_t time_inc_bits;
	uint32_t quant_bits;
	uint32_t quant_type;
	uint32_t quarterpel;

	uint32_t interlacing;
	uint32_t top_field_first;
	uint32_t alternate_vertical_scan;

	// image

	uint32_t width;
	uint32_t height;
	uint32_t edged_width;
	uint32_t edged_height;
	
	IMAGE cur;
	IMAGE refn[3];	// 0   -- last I or P VOP
					// 1   -- first I or P
					// 2   -- for interpolate mode B-frame
	IMAGE refh;
	IMAGE refv;
	IMAGE refhv;

	// macroblock

	uint32_t mb_width;
	uint32_t mb_height;
	MACROBLOCK * mbs;

	// for B-frame
	int32_t		frames;			// total frame number
	int8_t		scalability;
	VECTOR		p_fmv, p_bmv;	// pred forward & backward motion vector
	MACROBLOCK	*last_mbs;		// last MB
	int64_t		time;			// for record time
	int64_t		time_base;
	int64_t		last_time_base;
	int64_t		last_non_b_time;
	uint32_t	time_pp;
	uint32_t	time_bp;
	uint8_t		low_delay;		// low_delay flage (1 means no B_VOP)
} DECODER;

void init_decoder(uint32_t cpu_flags);

int decoder_create(XVID_DEC_PARAM * param);
int decoder_destroy(DECODER * dec);
int decoder_decode(DECODER * dec, XVID_DEC_FRAME * frame);


#endif /* _DECODER_H_ */

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