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Revision 69 - (download) (annotate)
Tue Mar 26 11:16:08 2002 UTC (17 years, 8 months ago) by h
File size: 3152 byte(s)
interlacing support - slow (MBDecideFieldDCT()), buggy (p-frames), incomplete (field motion prediction)
/**************************************************************************
 *
 *  Modifications:
 *
 *  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(
			MACROBLOCK * const pMBs,
			MBParam * const pParam,
		    const IMAGE * const pRef,
			const IMAGE * const pRefH,
		    const IMAGE * const pRefV,
			const IMAGE * const pRefHV,
		    IMAGE * const pCurrent, 
			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[][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,	 
			   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[][64],	 /* <-> the data of the MB to be coded */ 
		       int16_t qcoeff[][64], 	 /* <-> the quantized DCT coefficients */ 
		       IMAGE * const pCurrent         /* <-> the reconstructed image ( function will update one
   	         							    MB in it with data from data[] ) */
);


uint8_t MBTransQuantInter(const MBParam *pParam, /* <-- the parameter for DCT transformation 
						 						   and Quantization */ 
			   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[][64], 	 /* <-> the data of the MB to be coded */ 
			   int16_t qcoeff[][64], /* <-> the quantized DCT coefficients */ 
			   IMAGE * const pCurrent		 /* <-> the reconstructed image ( function will
								    update one MB in it with data from data[] ) */
);


/** interlacing **/

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

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

void MBFieldToFrame(int16_t data[][64]);	/* re-interlace vertical Y blocks */


/** MBCoding.c **/

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

#endif

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