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Revision 136 - (download) (annotate)
Thu Apr 25 06:55:00 2002 UTC (17 years, 6 months ago) by suxen_drol
Original Path: trunk/xvidcore/src/utils/mbfunctions.h
File size: 2812 byte(s)
FRAMEINFO
/**************************************************************************
 *
 *  Modifications:
 *
 *  29.03.2002 removed MBFieldToFrame - no longer used (transfers instead)
 *  26.03.2002 interlacing support
 *  02.12.2001 motion estimation/compensation split
 *  16.11.2001 const/uint32_t changes to MBMotionEstComp()
 *  26.08.2001 added inter4v_mode parameter to MBMotionEstComp()
 *
 *  Michael Militzer <isibaar@videocoding.de>
 *
 **************************************************************************/

#ifndef _ENCORE_BLOCK_H
#define _ENCORE_BLOCK_H

#include "../encoder.h"
#include "../bitstream/bitstream.h"



/** MotionEstimation **/

bool MotionEstimation(
	MBParam * const pParam,
	FRAMEINFO * const current,
	FRAMEINFO * const reference,
	const IMAGE * const pRefH,
	const IMAGE * const pRefV,
	const IMAGE * const pRefHV,
	const uint32_t iLimit);


/** MBMotionCompensation **/
void MBMotionCompensation(
	MACROBLOCK * const pMB,
	const uint32_t j,
	const uint32_t i,
	const IMAGE * const pRef,
	const IMAGE * const pRefH,
	const IMAGE * const pRefV,
	const IMAGE * const pRefHV,
	IMAGE * const pCurrent,
	int16_t dct_codes[6*64],
	const uint32_t width, 
	const uint32_t height,
	const uint32_t edged_width,
	const uint32_t rounding);


/** MBTransQuant.c **/


void MBTransQuantIntra(const MBParam *pParam,	 
			   FRAMEINFO * frame,
		       MACROBLOCK * pMB,
		       const uint32_t x_pos,     /* <-- The x position of the MB to be searched */ 
		       const uint32_t y_pos,     /* <-- The y position of the MB to be searched */ 
		       int16_t data[6*64],       /* <-> the data of the MB to be coded */ 
		       int16_t qcoeff[6*64]     /* <-> the quantized DCT coefficients */ 
);


uint8_t MBTransQuantInter(const MBParam *pParam, /* <-- the parameter for DCT transformation and Quantization */ 
						  FRAMEINFO * frame,
			  MACROBLOCK * pMB,
			  const uint32_t x_pos,  /* <-- The x position of the MB to be searched */ 
			  const uint32_t y_pos,  /* <-- The y position of the MB to be searched */
			  int16_t data[6*64],    /* <-> the data of the MB to be coded */ 
			  int16_t qcoeff[6*64]  /* <-> the quantized DCT coefficients */ 
);


/** interlacing **/

uint32_t MBDecideFieldDCT(int16_t data[6*64]); /* <- decide whether to use field-based DCT
						  for interlacing */

void MBFrameToField(int16_t data[6*64]);       /* de-interlace vertical Y blocks */


/** MBCoding.c **/

void MBCoding(const FRAMEINFO *frame, /* <-- the parameter for coding of the bitstream */
	      MACROBLOCK *pMB,       /* <-- Info of the MB to be coded */ 
	      int16_t qcoeff[6*64],  /* <-- the quantized DCT coefficients */ 
	      Bitstream * bs,        /* <-> the bitstream */ 
	      Statistics * pStat     /* <-> statistical data collected for current frame */
    );

#endif

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