2012-06-05 11:01:47 +00:00
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/**
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* HEVC Encoder
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* - Marko Viitanen ( fador at iki.fi ), Tampere University of Technology, Department of Computer Systems.
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*/
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/*! \file encoder.c
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\brief Encoding related functions
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\author Marko Viitanen
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2013-02-13 12:46:26 +00:00
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\date 2013-02
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2012-06-05 11:01:47 +00:00
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Encoder main level
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*/
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/* Suppress some windows warnings */
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#ifdef WIN32
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "global.h"
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#include "config.h"
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#include "encoder.h"
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#include "cabac.h"
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#include "picture.h"
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2012-06-05 12:38:54 +00:00
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#include "nal.h"
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2012-08-15 10:22:31 +00:00
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#include "context.h"
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2013-02-05 13:48:06 +00:00
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#include "transform.h"
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2012-06-05 11:01:47 +00:00
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2012-08-15 14:18:58 +00:00
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void initSigLastScan(uint32_t* pBuffZ, uint32_t* pBuffH, uint32_t* pBuffV, uint32_t* pBuffD, int32_t iWidth, int32_t iHeight, int32_t iDepth)
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{
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uint32_t uiNumScanPos = iWidth * iWidth;
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uint32_t uiNextScanPos = 0;
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int32_t iX,iY,x,y;
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uint32_t uiScanLine;
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uint32_t blkY,blkX;
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uint32_t uiBlk;
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uint32_t uiCnt = 0;
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if( iWidth < 16 )
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{
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uint32_t* pBuffTemp = pBuffD;
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if( iWidth == 8 )
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{
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pBuffTemp = (uint32_t *)g_sigLastScanCG32x32;
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}
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for( uiScanLine = 0; uiNextScanPos < uiNumScanPos; uiScanLine++ )
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{
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int iPrimDim = uiScanLine;
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int iScndDim = 0;
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while( iPrimDim >= iWidth )
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{
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iScndDim++;
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iPrimDim--;
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}
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while( iPrimDim >= 0 && iScndDim < iWidth )
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{
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pBuffTemp[ uiNextScanPos ] = iPrimDim * iWidth + iScndDim ;
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uiNextScanPos++;
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iScndDim++;
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iPrimDim--;
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}
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}
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}
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if( iWidth > 4 )
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{
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uint32_t uiNumBlkSide = iWidth >> 2;
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uint32_t uiNumBlks = uiNumBlkSide * uiNumBlkSide;
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uint32_t log2Blk = g_aucConvertToBit[ uiNumBlkSide ] + 1;
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for(uiBlk = 0; uiBlk < uiNumBlks; uiBlk++ )
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{
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uint32_t initBlkPos = g_auiSigLastScan[ SCAN_DIAG ][ log2Blk ][ uiBlk ];
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uiNextScanPos = 0;
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if( iWidth == 32 )
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{
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initBlkPos = g_sigLastScanCG32x32[ uiBlk ];
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}
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{
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uint32_t offsetY = initBlkPos / uiNumBlkSide;
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uint32_t offsetX = initBlkPos - offsetY * uiNumBlkSide;
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uint32_t offsetD = 4 * ( offsetX + offsetY * iWidth );
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uint32_t offsetScan = 16 * uiBlk;
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for( uiScanLine = 0; uiNextScanPos < 16; uiScanLine++ )
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{
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int iPrimDim = uiScanLine;
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int iScndDim = 0;
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while( iPrimDim >= 4 )
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{
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iScndDim++;
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iPrimDim--;
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}
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while( iPrimDim >= 0 && iScndDim < 4 )
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{
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pBuffD[ uiNextScanPos + offsetScan ] = iPrimDim * iWidth + iScndDim + offsetD;
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uiNextScanPos++;
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iScndDim++;
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iPrimDim--;
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}
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}
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}
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}
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}
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if( iWidth > 2 )
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{
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uint32_t numBlkSide = iWidth >> 2;
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for(blkY=0; blkY < numBlkSide; blkY++)
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{
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for(blkX=0; blkX < numBlkSide; blkX++)
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{
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uint32_t offset = blkY * 4 * iWidth + blkX * 4;
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for(y=0; y < 4; y++)
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{
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for(x=0; x < 4; x++)
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{
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pBuffH[uiCnt] = y*iWidth + x + offset;
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uiCnt ++;
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}
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}
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}
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}
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uiCnt = 0;
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for(blkX=0; blkX < numBlkSide; blkX++)
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{
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for(blkY=0; blkY < numBlkSide; blkY++)
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{
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uint32_t offset = blkY * 4 * iWidth + blkX * 4;
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for(x=0; x < 4; x++)
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{
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for(y=0; y < 4; y++)
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{
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pBuffV[uiCnt] = y*iWidth + x + offset;
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uiCnt ++;
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}
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}
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}
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}
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}
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else
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{
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for(iY=0; iY < iHeight; iY++)
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{
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for(iX=0; iX < iWidth; iX++)
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{
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pBuffH[uiCnt] = iY*iWidth + iX;
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uiCnt ++;
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}
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}
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uiCnt = 0;
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for(iX=0; iX < iWidth; iX++)
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{
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for(iY=0; iY < iHeight; iY++)
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{
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pBuffV[uiCnt] = iY*iWidth + iX;
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uiCnt ++;
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}
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}
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}
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}
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void init_tables(void)
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{
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int i;
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int c = 0;
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memset( g_aucConvertToBit,-1, sizeof( g_aucConvertToBit ) );
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2013-02-05 13:48:06 +00:00
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for ( i=4; i<(1<<7); i*=2 )
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2012-08-15 14:18:58 +00:00
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{
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g_aucConvertToBit[i] = c;
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c++;
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}
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g_aucConvertToBit[i] = c;
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c = 2;
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2013-02-05 13:48:06 +00:00
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for ( i=0; i<7; i++ )
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2012-08-15 14:18:58 +00:00
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{
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g_auiSigLastScan[0][i] = (uint32_t*)malloc(c*c*sizeof(uint32_t));
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g_auiSigLastScan[1][i] = (uint32_t*)malloc(c*c*sizeof(uint32_t));
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g_auiSigLastScan[2][i] = (uint32_t*)malloc(c*c*sizeof(uint32_t));
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g_auiSigLastScan[3][i] = (uint32_t*)malloc(c*c*sizeof(uint32_t));
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initSigLastScan( g_auiSigLastScan[0][i], g_auiSigLastScan[1][i], g_auiSigLastScan[2][i], g_auiSigLastScan[3][i], c, c, i);
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c <<= 1;
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}
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}
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2012-06-07 14:38:28 +00:00
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void init_encoder_control(encoder_control* control,bitstream* output)
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{
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2013-02-06 14:31:01 +00:00
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control->stream = output;
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2012-06-07 14:38:28 +00:00
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}
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2012-06-05 11:01:47 +00:00
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void init_encoder_input(encoder_input* input,FILE* inputfile, uint32_t width, uint32_t height)
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{
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2012-06-11 12:26:32 +00:00
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int i;
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2012-06-05 11:01:47 +00:00
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input->file = inputfile;
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input->width = width;
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input->height = height;
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2012-06-06 13:20:29 +00:00
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input->height_in_LCU = height / LCU_WIDTH;
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input->width_in_LCU = width / LCU_WIDTH;
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if(input->height_in_LCU * LCU_WIDTH < height)
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input->height_in_LCU++;
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if(input->width_in_LCU * LCU_WIDTH < width)
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input->width_in_LCU++;
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2012-06-05 11:01:47 +00:00
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input->cur_pic.width = width;
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input->cur_pic.height = height;
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input->cur_pic.referenced = 0;
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/* Allocate buffers */
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input->cur_pic.yData = (uint8_t *)malloc(width*height);
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input->cur_pic.uData = (uint8_t *)malloc((width*height)>>2);
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input->cur_pic.vData = (uint8_t *)malloc((width*height)>>2);
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2012-06-11 12:26:32 +00:00
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2012-06-11 15:43:29 +00:00
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/* Reconstruction buffers */
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input->cur_pic.yRecData = (uint8_t *)malloc(width*height);
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input->cur_pic.uRecData = (uint8_t *)malloc((width*height)>>2);
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input->cur_pic.vRecData = (uint8_t *)malloc((width*height)>>2);
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2012-06-11 12:39:18 +00:00
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/* Allocate memory for CU info 2D array */
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//ToDo: we don't need this much space on LCU...MAX_DEPTH-1
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input->cur_pic.CU = (CU_info**)malloc((MAX_DEPTH+1)*sizeof(CU_info*));
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2012-06-11 12:26:32 +00:00
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for(i=0; i < MAX_DEPTH+1; i++)
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{
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2012-08-15 12:23:44 +00:00
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input->cur_pic.CU[i] = (CU_info*)malloc((input->height_in_LCU<<MAX_DEPTH)*(input->width_in_LCU<<MAX_DEPTH)*sizeof(CU_info));
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memset(input->cur_pic.CU[i], 0, (input->height_in_LCU<<MAX_DEPTH)*(input->width_in_LCU<<MAX_DEPTH)*sizeof(CU_info));
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2012-06-11 12:26:32 +00:00
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}
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2012-06-07 14:38:28 +00:00
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}
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2012-06-05 11:01:47 +00:00
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void encode_one_frame(encoder_control* encoder)
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{
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2012-06-11 12:26:32 +00:00
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/* output parameters before first frame */
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2012-06-05 12:38:54 +00:00
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if(encoder->frame == 0)
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{
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2013-02-21 14:45:22 +00:00
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2012-06-11 15:43:29 +00:00
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/* Sequence Parameter Set (SPS) */
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2012-06-05 12:38:54 +00:00
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encode_seq_parameter_set(encoder);
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bitstream_align(encoder->stream);
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bitstream_flush(encoder->stream);
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2013-02-21 14:45:22 +00:00
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nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_SEQ_PARAMETER_SET, 0);
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2012-06-06 10:42:02 +00:00
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bitstream_clear_buffer(encoder->stream);
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2012-06-05 11:01:47 +00:00
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2012-08-14 08:02:08 +00:00
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/* Video Parameter Set (VPS) */
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2012-08-10 08:59:05 +00:00
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encode_vid_parameter_set(encoder);
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bitstream_align(encoder->stream);
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bitstream_flush(encoder->stream);
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2013-02-21 14:45:22 +00:00
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nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_VID_PARAMETER_SET, 0);
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2012-08-10 08:59:05 +00:00
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bitstream_clear_buffer(encoder->stream);
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2012-08-14 08:02:08 +00:00
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2012-06-11 15:43:29 +00:00
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/* Picture Parameter Set (PPS) */
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2012-06-05 12:38:54 +00:00
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encode_pic_parameter_set(encoder);
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bitstream_align(encoder->stream);
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bitstream_flush(encoder->stream);
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2013-02-21 14:45:22 +00:00
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nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_PIC_PARAMETER_SET, 0);
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2012-06-06 11:09:28 +00:00
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bitstream_clear_buffer(encoder->stream);
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2012-06-05 14:45:17 +00:00
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2012-06-11 12:26:32 +00:00
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/* First slice is IDR */
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2012-06-07 14:38:28 +00:00
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cabac_start(&cabac);
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2012-06-11 12:26:32 +00:00
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encoder->in.cur_pic.type = NAL_IDR_SLICE;
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2012-06-06 11:09:28 +00:00
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encode_slice_header(encoder);
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2012-08-14 08:02:08 +00:00
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bitstream_align(encoder->stream);
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2012-06-06 11:09:28 +00:00
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encode_slice_data(encoder);
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2012-06-06 13:20:29 +00:00
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cabac_flush(&cabac);
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bitstream_align(encoder->stream);
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bitstream_flush(encoder->stream);
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2013-02-21 14:45:22 +00:00
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nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_IDR_SLICE, 0);
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2012-06-06 13:20:29 +00:00
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bitstream_clear_buffer(encoder->stream);
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2013-02-21 14:45:22 +00:00
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2013-02-13 12:46:26 +00:00
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}
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2013-02-21 14:45:22 +00:00
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else if(encoder->frame < 10)
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2012-06-06 13:20:29 +00:00
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{
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2013-02-21 14:45:22 +00:00
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cabac_start(&cabac);
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encoder->in.cur_pic.type = 0;
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encode_slice_header(encoder);
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bitstream_align(encoder->stream);
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encode_slice_data(encoder);
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cabac_flush(&cabac);
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bitstream_align(encoder->stream);
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bitstream_flush(encoder->stream);
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nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, 0, encoder->frame);
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bitstream_clear_buffer(encoder->stream);
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/*
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encoder->in.cur_pic.type = 0;
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encode_slice_header(encoder);
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bitstream_align(encoder->stream);
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bitstream_flush(encoder->stream);
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nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, 0, 0);
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bitstream_clear_buffer(encoder->stream);
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*/
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/*
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cabac_start(&cabac);
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encoder->in.cur_pic.type = NAL_IDR_SLICE;
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encode_slice_header(encoder);
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bitstream_align(encoder->stream);
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encode_slice_data(encoder);
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cabac_flush(&cabac);
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bitstream_align(encoder->stream);
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bitstream_flush(encoder->stream);
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nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_IDR_SLICE, 0);
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bitstream_clear_buffer(encoder->stream);
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*/
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2012-06-11 15:43:29 +00:00
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/* Non-IDR slice */
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2013-02-13 12:46:26 +00:00
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/*
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2012-06-11 12:26:32 +00:00
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cabac_start(&cabac);
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encoder->in.cur_pic.type = NAL_NONIDR_SLICE;
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2012-06-06 13:20:29 +00:00
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encode_slice_header(encoder);
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2012-06-11 12:26:32 +00:00
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|
|
bitstream_align(encoder->stream);
|
2012-06-06 13:20:29 +00:00
|
|
|
encode_slice_data(encoder);
|
|
|
|
cabac_flush(&cabac);
|
2012-06-06 11:09:28 +00:00
|
|
|
bitstream_align(encoder->stream);
|
|
|
|
bitstream_flush(encoder->stream);
|
2012-08-14 08:02:08 +00:00
|
|
|
nal_write(encoder->output, encoder->stream->buffer, encoder->stream->buffer_pos, 0, NAL_NONIDR_SLICE, encoder->frame+1);
|
2012-06-06 11:09:28 +00:00
|
|
|
bitstream_clear_buffer(encoder->stream);
|
2013-02-13 12:46:26 +00:00
|
|
|
*/
|
2012-06-11 12:26:32 +00:00
|
|
|
}
|
2012-06-05 12:38:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void encode_pic_parameter_set(encoder_control* encoder)
|
|
|
|
{
|
|
|
|
#ifdef _DEBUG
|
|
|
|
printf("=========== Picture Parameter Set ID: 0 ===========\n");
|
|
|
|
#endif
|
|
|
|
WRITE_UE(encoder->stream, 0, "pic_parameter_set_id");
|
|
|
|
WRITE_UE(encoder->stream, 0, "seq_parameter_set_id");
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "dependent_slice_segments_enabled_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "output_flag_present_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 3, "num_extra_slice_header_bits");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "sign_data_hiding_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "cabac_init_present_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_UE(encoder->stream, 0, "num_ref_idx_l0_default_active_minus1");
|
|
|
|
WRITE_UE(encoder->stream, 0, "num_ref_idx_l1_default_active_minus1");
|
2012-06-07 14:38:28 +00:00
|
|
|
WRITE_SE(encoder->stream, encoder->QP-26, "pic_init_qp_minus26");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "constrained_intra_pred_flag");
|
2012-08-10 08:59:05 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "transform_skip_enabled_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "cu_qp_delta_enabled_flag");
|
|
|
|
//if cu_qp_delta_enabled_flag
|
|
|
|
//WRITE_UE(encoder->stream, 0, "diff_cu_qp_delta_depth");
|
|
|
|
|
2013-02-06 14:31:01 +00:00
|
|
|
//ToDo: add QP offsets
|
|
|
|
WRITE_SE(encoder->stream, 0, "pps_cb_qp_offset");
|
|
|
|
WRITE_SE(encoder->stream, 0, "pps_cr_qp_offset");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "pps_slice_chroma_qp_offsets_present_flag");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "weighted_pred_flag");
|
2012-08-14 08:02:08 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "weighted_bipred_idc");
|
2013-02-06 14:31:01 +00:00
|
|
|
|
|
|
|
//WRITE_U(encoder->stream, 0, 1, "dependent_slices_enabled_flag");
|
2012-08-10 08:59:05 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "transquant_bypass_enable_flag");
|
2013-02-13 12:46:26 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "tiles_enabled_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "entropy_coding_sync_enabled_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
//ToDo: enable tiles for concurrency
|
|
|
|
//IF tiles
|
|
|
|
//ENDIF
|
2012-08-10 08:59:05 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "loop_filter_across_slice_flag");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "deblocking_filter_control_present_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
//IF deblocking_filter
|
|
|
|
//ENDIF
|
2012-08-10 08:59:05 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "pps_scaling_list_data_present_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
//IF scaling_list
|
|
|
|
//ENDIF
|
2013-02-13 12:46:26 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "lists_modification_present_flag");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_UE(encoder->stream, 0, "log2_parallel_merge_level_minus2");
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "slice_segment_header_extension_present_flag");
|
2012-08-10 08:59:05 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "pps_extension_flag");
|
2012-06-05 12:38:54 +00:00
|
|
|
}
|
|
|
|
|
2013-02-13 12:46:26 +00:00
|
|
|
void encode_PTL(encoder_control *encoder)
|
|
|
|
{
|
2013-02-21 14:45:22 +00:00
|
|
|
int i;
|
2013-02-13 12:46:26 +00:00
|
|
|
/*PTL*/
|
|
|
|
/*Profile Tier*/
|
|
|
|
WRITE_U(encoder->stream, 0, 2, "XXX_profile_space[]");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "XXX_tier_flag[]");
|
|
|
|
WRITE_U(encoder->stream, 0, 5, "XXX_profile_idc[]");
|
|
|
|
WRITE_U(encoder->stream, 0, 32, "XXX_profile_compatibility_flag[][j]");
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "general_progressive_source_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "general_interlaced_source_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "general_non_packed_constraint_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "general_frame_only_constraint_flag");
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 32, "XXX_reserved_zero_44bits[0..31]");
|
|
|
|
WRITE_U(encoder->stream, 0, 12, "XXX_reserved_zero_44bits[32..43]");
|
|
|
|
|
|
|
|
/*end Profile Tier */
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 8, "general_level_idc");
|
2013-02-21 14:45:22 +00:00
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "sub_layer_profile_present_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "sub_layer_level_present_flag");
|
|
|
|
for(i = 1; i < 8; i++)
|
|
|
|
{
|
|
|
|
WRITE_U(encoder->stream, 0, 2, "reserved_zero_2bits");
|
|
|
|
}
|
|
|
|
|
2013-02-13 12:46:26 +00:00
|
|
|
/*end PTL*/
|
|
|
|
}
|
|
|
|
|
2012-06-05 12:38:54 +00:00
|
|
|
void encode_seq_parameter_set(encoder_control* encoder)
|
|
|
|
{
|
|
|
|
#ifdef _DEBUG
|
|
|
|
printf("=========== Sequence Parameter Set ID: 0 ===========\n");
|
|
|
|
#endif
|
2012-06-11 15:43:29 +00:00
|
|
|
/* ToDo: profile IDC and level IDC should be defined later on */
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 4, "sps_video_parameter_set_id");
|
2013-02-21 14:45:22 +00:00
|
|
|
WRITE_U(encoder->stream, 1, 3, "sps_max_sub_layers_minus1");
|
2013-02-06 14:31:01 +00:00
|
|
|
|
2013-02-21 14:45:22 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "sps_temporal_id_nesting_flag");
|
2013-02-13 12:46:26 +00:00
|
|
|
|
|
|
|
encode_PTL(encoder);
|
2013-02-06 14:31:01 +00:00
|
|
|
|
|
|
|
WRITE_UE(encoder->stream, 0, "sps_seq_parameter_set_id");
|
2012-06-12 14:35:45 +00:00
|
|
|
WRITE_UE(encoder->stream, encoder->in.video_format, "chroma_format_idc"); /* 0 = 4:0:0, 1 = 4:2:0, 2 = 4:2:2, 3 = 4:4:4 */
|
2013-02-06 14:31:01 +00:00
|
|
|
if(encoder->in.video_format == 3)
|
|
|
|
{
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "separate_colour_plane_flag");
|
|
|
|
}
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_UE(encoder->stream, encoder->in.width, "pic_width_in_luma_samples");
|
|
|
|
WRITE_UE(encoder->stream, encoder->in.height, "pic_height_in_luma_samples");
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "conformance_window_flag");
|
|
|
|
//IF window flag
|
|
|
|
//END IF
|
|
|
|
|
|
|
|
WRITE_UE(encoder->stream, encoder->bitdepth-8, "bit_depth_luma_minus8");
|
|
|
|
WRITE_UE(encoder->stream, encoder->bitdepth-8, "bit_depth_chroma_minus8");
|
|
|
|
|
|
|
|
WRITE_UE(encoder->stream, 0, "log2_max_pic_order_cnt_lsb_minus4");
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "sps_sub_layer_ordering_info_present_flag");
|
|
|
|
//for each layer
|
|
|
|
WRITE_UE(encoder->stream, 0, "sps_max_dec_pic_buffering");
|
|
|
|
WRITE_UE(encoder->stream, 0, "sps_num_reorder_pics");
|
|
|
|
WRITE_UE(encoder->stream, 0, "sps_max_latency_increase");
|
|
|
|
//end for
|
|
|
|
|
2012-08-15 12:23:44 +00:00
|
|
|
WRITE_UE(encoder->stream, MIN_SIZE, "log2_min_coding_block_size_minus3");
|
2012-06-11 15:43:29 +00:00
|
|
|
WRITE_UE(encoder->stream, MAX_DEPTH, "log2_diff_max_min_coding_block_size");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_UE(encoder->stream, 0, "log2_min_transform_block_size_minus2");
|
|
|
|
WRITE_UE(encoder->stream, 3, "log2_diff_max_min_transform_block_size");
|
|
|
|
WRITE_UE(encoder->stream, 2, "max_transform_hierarchy_depth_inter");
|
2012-06-06 13:20:29 +00:00
|
|
|
WRITE_UE(encoder->stream, 2, "max_transform_hierarchy_depth_intra");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "scaling_list_enable_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
//IF scaling list
|
|
|
|
//ENDIF
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "amp_enabled_flag");
|
2012-06-05 12:38:54 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "sample_adaptive_offset_enabled_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
|
|
|
|
WRITE_U(encoder->stream, ENABLE_PCM, 1, "pcm_enabled_flag");
|
2012-06-11 12:39:18 +00:00
|
|
|
#if ENABLE_PCM == 1
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 7, 4, "pcm_sample_bit_depth_luma_minus1");
|
|
|
|
WRITE_U(encoder->stream, 7, 4, "pcm_sample_bit_depth_chroma_minus1");
|
|
|
|
WRITE_UE(encoder->stream, 0, "log2_min_pcm_coding_block_size_minus3");
|
|
|
|
WRITE_UE(encoder->stream, 2, "log2_diff_max_min_pcm_coding_block_size");
|
2012-06-07 14:38:28 +00:00
|
|
|
WRITE_U(encoder->stream, 1, 1, "pcm_loop_filter_disable_flag");
|
2012-06-11 12:39:18 +00:00
|
|
|
#endif
|
2013-02-06 14:31:01 +00:00
|
|
|
|
|
|
|
WRITE_UE(encoder->stream, 0, "num_short_term_ref_pic_sets");
|
|
|
|
//IF num short term ref pic sets
|
|
|
|
//ENDIF
|
2012-06-11 12:26:32 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "long_term_ref_pics_present_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
//IF long_term_ref_pics_present
|
|
|
|
//ENDIF
|
2012-08-15 10:22:31 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "sps_temporal_mvp_enable_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "sps_strong_intra_smoothing_enable_flag");
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "vui_parameters_present_flag");
|
2013-02-13 12:46:26 +00:00
|
|
|
//ToDo: VUI?
|
|
|
|
//encode_VUI(encoder);
|
|
|
|
|
2012-06-12 14:35:45 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "sps_extension_flag");
|
2012-08-10 08:59:05 +00:00
|
|
|
}
|
2012-06-12 14:35:45 +00:00
|
|
|
|
2012-08-10 08:59:05 +00:00
|
|
|
void encode_vid_parameter_set(encoder_control* encoder)
|
|
|
|
{
|
2013-02-21 14:45:22 +00:00
|
|
|
int i;
|
2012-08-10 08:59:05 +00:00
|
|
|
#ifdef _DEBUG
|
|
|
|
printf("=========== Video Parameter Set ID: 0 ===========\n");
|
|
|
|
#endif
|
|
|
|
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 4, "vps_video_parameter_set_id");
|
|
|
|
WRITE_U(encoder->stream, 3, 2, "vps_reserved_three_2bits" );
|
|
|
|
WRITE_U(encoder->stream, 0, 6, "vps_reserved_zero_6bits" );
|
2013-02-21 14:45:22 +00:00
|
|
|
WRITE_U(encoder->stream, 1, 3, "vps_max_sub_layers_minus1");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "vps_temporal_id_nesting_flag");
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 0xffff, 16, "vps_reserved_ffff_16bits");
|
2013-02-13 12:46:26 +00:00
|
|
|
|
|
|
|
encode_PTL(encoder);
|
|
|
|
|
2013-02-06 14:31:01 +00:00
|
|
|
WRITE_U(encoder->stream, 0, 1, "vps_sub_layer_ordering_info_present_flag");
|
|
|
|
//for each layer
|
2013-02-21 14:45:22 +00:00
|
|
|
for(i = 0; i < 1; i++)
|
|
|
|
{
|
2012-08-14 08:02:08 +00:00
|
|
|
WRITE_UE(encoder->stream, 0, "vps_max_dec_pic_buffering");
|
|
|
|
WRITE_UE(encoder->stream, 0, "vps_num_reorder_pics");
|
|
|
|
WRITE_UE(encoder->stream, 0, "vps_max_latency_increase");
|
2013-02-21 14:45:22 +00:00
|
|
|
}
|
2013-02-06 14:31:01 +00:00
|
|
|
//end for
|
|
|
|
WRITE_U(encoder->stream, 0, 6, "vps_max_nuh_reserved_zero_layer_id");
|
|
|
|
WRITE_UE(encoder->stream, 0, "vps_max_op_sets_minus1");
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "vps_timing_info_present_flag");
|
|
|
|
//IF timing info
|
|
|
|
//END IF
|
2012-08-10 08:59:05 +00:00
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "vps_extension_flag");
|
2012-06-06 11:09:28 +00:00
|
|
|
}
|
|
|
|
|
2013-02-06 14:31:01 +00:00
|
|
|
void encode_VUI(encoder_control* encoder)
|
|
|
|
{
|
|
|
|
#ifdef _DEBUG
|
|
|
|
printf("=========== VUI Set ID: 0 ===========\n");
|
|
|
|
#endif
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "aspect_ratio_info_present_flag");
|
|
|
|
//IF aspect ratio info
|
|
|
|
//ENDIF
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "overscan_info_present_flag");
|
|
|
|
//IF overscan info
|
|
|
|
//ENDIF
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "video_signal_type_present_flag");
|
|
|
|
//IF video type
|
|
|
|
//ENDIF
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "chroma_loc_info_present_flag");
|
|
|
|
//IF chroma loc info
|
|
|
|
//ENDIF
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "neutral_chroma_indication_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "field_seq_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "frame_field_info_present_flag");
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "default_display_window_flag");
|
|
|
|
//IF default display window
|
|
|
|
//ENDIF
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "vui_timing_info_present_flag");
|
|
|
|
//IF timing info
|
|
|
|
//ENDIF
|
|
|
|
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "bitstream_restriction_flag");
|
|
|
|
//IF bitstream restriction
|
|
|
|
//ENDIF
|
|
|
|
}
|
|
|
|
|
2012-06-06 11:09:28 +00:00
|
|
|
void encode_slice_header(encoder_control* encoder)
|
|
|
|
{
|
2012-06-06 13:20:29 +00:00
|
|
|
#ifdef _DEBUG
|
|
|
|
printf("=========== Slice ===========\n");
|
|
|
|
#endif
|
2012-06-06 11:09:28 +00:00
|
|
|
|
2013-02-13 12:46:26 +00:00
|
|
|
WRITE_U(encoder->stream, 1, 1, "first_slice_segment_in_pic_flag");
|
2012-08-10 08:59:05 +00:00
|
|
|
if(encoder->in.cur_pic.type == NAL_IDR_SLICE)
|
|
|
|
{
|
|
|
|
WRITE_U(encoder->stream, 0, 1, "no_output_of_prior_pics_flag");
|
|
|
|
}
|
2013-02-13 12:46:26 +00:00
|
|
|
WRITE_UE(encoder->stream, 0, "slice_pic_parameter_set_id");
|
|
|
|
|
|
|
|
//WRITE_U(encoder->stream, 0, 1, "dependent_slice_segment_flag");
|
2012-08-10 08:59:05 +00:00
|
|
|
|
2013-02-13 12:46:26 +00:00
|
|
|
/* ToDo: add more slice types */
|
2012-06-06 11:09:28 +00:00
|
|
|
WRITE_UE(encoder->stream, SLICE_I, "slice_type");
|
|
|
|
|
2013-02-13 12:46:26 +00:00
|
|
|
|
2012-08-10 08:59:05 +00:00
|
|
|
|
2012-06-06 11:09:28 +00:00
|
|
|
// if !entropy_slice_flag
|
2012-08-10 08:59:05 +00:00
|
|
|
|
2012-06-06 11:09:28 +00:00
|
|
|
//if output_flag_present_flag
|
2013-02-13 12:46:26 +00:00
|
|
|
//WRITE_U(encoder->stream, 1, 1, "pic_output_flag");
|
2012-06-06 11:09:28 +00:00
|
|
|
//end if
|
|
|
|
//if( IdrPicFlag ) <- nal_unit_type == 5
|
2012-06-11 12:26:32 +00:00
|
|
|
if(encoder->in.cur_pic.type == NAL_IDR_SLICE)
|
|
|
|
{
|
2012-08-10 08:59:05 +00:00
|
|
|
//WRITE_UE(encoder->stream, encoder->frame&3, "idr_pic_id");
|
2012-06-11 12:26:32 +00:00
|
|
|
}
|
|
|
|
else
|
2012-08-15 10:22:31 +00:00
|
|
|
{
|
2013-02-21 14:45:22 +00:00
|
|
|
WRITE_U(encoder->stream, encoder->frame, 4, "pic_order_cnt_lsb");
|
2012-06-11 12:26:32 +00:00
|
|
|
WRITE_U(encoder->stream, 1, 1, "short_term_ref_pic_set_sps_flag");
|
2013-02-21 14:45:22 +00:00
|
|
|
//WRITE_UE(encoder->stream, 0, "short_term_ref_pic_set_idx");
|
2012-06-11 12:26:32 +00:00
|
|
|
}
|
2012-06-06 11:09:28 +00:00
|
|
|
//end if
|
|
|
|
//end if
|
2013-02-13 12:46:26 +00:00
|
|
|
//IF sao
|
|
|
|
/*
|
|
|
|
WRITE_U(encoder->stream, 0,1, "slice_sao_luma_flag" );
|
|
|
|
WRITE_U(encoder->stream, 0,1, "slice_sao_chroma_flag" );
|
|
|
|
*/
|
|
|
|
//ENDIF
|
2012-06-11 15:43:29 +00:00
|
|
|
/* Skip flags that are not present */
|
2012-06-06 11:09:28 +00:00
|
|
|
// if !entropy_slice_flag
|
2012-08-14 08:02:08 +00:00
|
|
|
WRITE_SE(encoder->stream, 0, "slice_qp_delta");
|
2013-02-21 14:45:22 +00:00
|
|
|
//WRITE_U(encoder->stream, 1, 1, "alignment");
|
2012-06-05 12:38:54 +00:00
|
|
|
}
|
|
|
|
|
2012-08-15 10:22:31 +00:00
|
|
|
|
2012-06-05 11:01:47 +00:00
|
|
|
|
2012-06-13 15:08:15 +00:00
|
|
|
|
2012-06-06 11:09:28 +00:00
|
|
|
void encode_slice_data(encoder_control* encoder)
|
|
|
|
{
|
2012-08-15 10:22:31 +00:00
|
|
|
uint16_t xCtb,yCtb;
|
2012-06-15 11:54:57 +00:00
|
|
|
|
2013-02-05 13:48:06 +00:00
|
|
|
init_contexts(encoder,SLICE_I);
|
2012-06-11 15:43:29 +00:00
|
|
|
|
2012-08-15 14:18:58 +00:00
|
|
|
//encoder->in.cur_pic.CU[3][5].type = CU_INTRA;
|
|
|
|
//encoder->in.cur_pic.CU[3][6].type = CU_INTRA;
|
2012-06-11 15:43:29 +00:00
|
|
|
|
|
|
|
/* Loop through every LCU in the slice */
|
2012-06-11 12:26:32 +00:00
|
|
|
for(yCtb = 0; yCtb < encoder->in.height_in_LCU; yCtb++)
|
2012-06-06 13:20:29 +00:00
|
|
|
{
|
2012-06-11 12:26:32 +00:00
|
|
|
uint8_t lastCUy = (yCtb == (encoder->in.height_in_LCU-1))?1:0;
|
|
|
|
for(xCtb = 0; xCtb < encoder->in.width_in_LCU; xCtb++)
|
2012-06-06 13:20:29 +00:00
|
|
|
{
|
2012-06-11 12:26:32 +00:00
|
|
|
uint8_t lastCUx = (xCtb == (encoder->in.width_in_LCU-1))?1:0;
|
2012-06-06 13:20:29 +00:00
|
|
|
uint8_t depth = 0;
|
2012-06-11 15:43:29 +00:00
|
|
|
|
|
|
|
/* Recursive function for looping through all the sub-blocks */
|
|
|
|
encode_coding_tree(encoder, xCtb<<MAX_DEPTH,yCtb<<MAX_DEPTH, depth);
|
|
|
|
|
|
|
|
/* signal Terminating bit */
|
2012-06-08 13:55:24 +00:00
|
|
|
if(!lastCUx || !lastCUy)
|
|
|
|
{
|
|
|
|
cabac_encodeBinTrm(&cabac, 0);
|
|
|
|
}
|
2012-06-06 13:20:29 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t depth)
|
2012-06-07 14:38:28 +00:00
|
|
|
{
|
2013-02-05 13:48:06 +00:00
|
|
|
int x,y;
|
2012-08-15 14:18:58 +00:00
|
|
|
uint8_t split_flag = (depth<1)?1:0; /* ToDo: get from CU data */
|
2012-06-11 12:26:32 +00:00
|
|
|
uint8_t split_model = 0;
|
2012-08-15 12:23:44 +00:00
|
|
|
|
|
|
|
/* Check for slice border */
|
2012-08-15 14:18:58 +00:00
|
|
|
uint8_t border_x = ((encoder->in.width)<(uint32_t)( xCtb*(LCU_WIDTH>>MAX_DEPTH) + (LCU_WIDTH>>depth) ))?1:0;
|
|
|
|
uint8_t border_y = ((encoder->in.height)<(uint32_t)( yCtb*(LCU_WIDTH>>MAX_DEPTH) + (LCU_WIDTH>>depth) ))?1:0;
|
2012-08-15 10:22:31 +00:00
|
|
|
uint8_t border = border_x | border_y;
|
2012-08-15 14:18:58 +00:00
|
|
|
CU_info *cur_CU = &encoder->in.cur_pic.CU[depth][(xCtb>>(MAX_DEPTH-depth))+(yCtb>>(MAX_DEPTH-depth))*(encoder->in.width_in_LCU<<MAX_DEPTH)];
|
2012-08-15 12:23:44 +00:00
|
|
|
|
2012-06-11 12:39:18 +00:00
|
|
|
/* When not in MAX_DEPTH, insert split flag and split the blocks if needed */
|
2012-08-15 12:23:44 +00:00
|
|
|
if(depth != MAX_DEPTH)
|
2012-06-07 14:38:28 +00:00
|
|
|
{
|
2012-08-15 14:18:58 +00:00
|
|
|
SET_SPLITDATA(cur_CU,split_flag);
|
2012-08-15 10:22:31 +00:00
|
|
|
//Implisit split flag when on border
|
|
|
|
if(!border)
|
|
|
|
{
|
2012-08-15 12:23:44 +00:00
|
|
|
/* Get left and top block split_flags and if they are present and true, increase model number */
|
|
|
|
if(xCtb > 0 && GET_SPLITDATA(&(encoder->in.cur_pic.CU[depth][(xCtb>>(MAX_DEPTH-depth))-1+(yCtb>>(MAX_DEPTH-depth))*(encoder->in.width_in_LCU<<MAX_DEPTH)])) == 1)
|
|
|
|
{
|
|
|
|
split_model++;
|
|
|
|
}
|
|
|
|
if(yCtb > 0 && GET_SPLITDATA(&(encoder->in.cur_pic.CU[depth][(xCtb>>(MAX_DEPTH-depth))+((yCtb>>(MAX_DEPTH-depth))-1)*(encoder->in.width_in_LCU<<MAX_DEPTH)])) == 1)
|
|
|
|
{
|
|
|
|
split_model++;
|
|
|
|
}
|
|
|
|
cabac.ctx = &g_SplitFlagSCModel[split_model];
|
2012-08-15 10:22:31 +00:00
|
|
|
CABAC_BIN(&cabac, split_flag, "SplitFlag");
|
|
|
|
}
|
2012-08-15 12:23:44 +00:00
|
|
|
if(split_flag || border)
|
2012-06-08 12:26:07 +00:00
|
|
|
{
|
2012-06-11 15:43:29 +00:00
|
|
|
/* Split blocks and remember to change x and y block positions */
|
2012-06-11 12:26:32 +00:00
|
|
|
uint8_t change = 1<<(MAX_DEPTH-1-depth);
|
2012-06-08 12:26:07 +00:00
|
|
|
encode_coding_tree(encoder,xCtb,yCtb,depth+1);
|
2012-08-15 10:22:31 +00:00
|
|
|
if(!border_x)
|
|
|
|
{
|
|
|
|
encode_coding_tree(encoder,xCtb+change,yCtb,depth+1);
|
|
|
|
}
|
|
|
|
if(!border_y)
|
|
|
|
{
|
|
|
|
encode_coding_tree(encoder,xCtb,yCtb+change,depth+1);
|
|
|
|
}
|
|
|
|
if(!border)
|
|
|
|
{
|
|
|
|
encode_coding_tree(encoder,xCtb+change,yCtb+change,depth+1);
|
|
|
|
}
|
2012-06-11 15:43:29 +00:00
|
|
|
/* We don't need to do anything else here */
|
2012-06-08 12:26:07 +00:00
|
|
|
return;
|
|
|
|
}
|
2012-06-07 14:38:28 +00:00
|
|
|
}
|
2013-02-13 12:46:26 +00:00
|
|
|
/*
|
2013-02-21 14:45:22 +00:00
|
|
|
if(border_x && border_y)//yCtb == 20 && xCtb == 20)
|
2012-08-15 14:18:58 +00:00
|
|
|
{
|
|
|
|
cur_CU->type = CU_INTRA;
|
|
|
|
}
|
2013-02-13 12:46:26 +00:00
|
|
|
*/
|
2012-08-15 14:18:58 +00:00
|
|
|
|
2012-06-06 13:20:29 +00:00
|
|
|
/* coding_unit( x0, y0, log2CbSize ) */
|
|
|
|
/* prediction_unit 2Nx2N*/
|
2012-06-07 14:38:28 +00:00
|
|
|
//if !intra PREDMODE
|
2012-06-08 12:26:07 +00:00
|
|
|
/* if depth = MAX_DEPTH */
|
|
|
|
//PartSize
|
2012-06-11 15:43:29 +00:00
|
|
|
if(depth == MAX_DEPTH)
|
2012-06-08 12:26:07 +00:00
|
|
|
{
|
2012-06-12 14:35:45 +00:00
|
|
|
cabac.ctx = &g_PartSizeSCModel;
|
2012-06-08 12:26:07 +00:00
|
|
|
CABAC_BIN(&cabac, 1, "PartSize");
|
|
|
|
}
|
|
|
|
/*end partsize*/
|
2012-06-06 13:20:29 +00:00
|
|
|
//If MODE_INTRA
|
2012-08-15 14:18:58 +00:00
|
|
|
/* Code IPCM block */
|
2013-02-21 14:45:22 +00:00
|
|
|
if(cur_CU->type == CU_PCM || cur_CU->type == CU_NOTSET) /* also handling NOTSET conditions */
|
2012-06-12 14:35:45 +00:00
|
|
|
{
|
|
|
|
cabac_encodeBinTrm(&cabac, 1); /* IPCMFlag == 1 */
|
2012-06-11 15:43:29 +00:00
|
|
|
//printf("\tIPCMFlag = 1\n");
|
|
|
|
cabac_finish(&cabac);
|
2013-02-21 14:45:22 +00:00
|
|
|
//WRITE_U(cabac.stream, 1, 1, "stop_bit");
|
|
|
|
//WRITE_U(cabac.stream, 0, 1, "numSubseqIPCM_flag");
|
2012-06-11 15:43:29 +00:00
|
|
|
bitstream_align(cabac.stream);
|
|
|
|
/* PCM sample */
|
2012-06-08 12:26:07 +00:00
|
|
|
{
|
2012-08-15 12:23:44 +00:00
|
|
|
uint8_t *base = &encoder->in.cur_pic.yData[xCtb*(LCU_WIDTH>>(MAX_DEPTH)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH)))*encoder->in.width];
|
|
|
|
uint8_t *baseCb = &encoder->in.cur_pic.uData[(xCtb*(LCU_WIDTH>>(MAX_DEPTH+1)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH+1)))*encoder->in.width/2)];
|
|
|
|
uint8_t *baseCr = &encoder->in.cur_pic.vData[(xCtb*(LCU_WIDTH>>(MAX_DEPTH+1)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH+1)))*encoder->in.width/2)];
|
2012-06-11 15:43:29 +00:00
|
|
|
for(y = 0; y < LCU_WIDTH>>depth; y++)
|
|
|
|
{
|
|
|
|
for(x = 0; x < LCU_WIDTH>>depth; x++)
|
2012-06-15 11:54:57 +00:00
|
|
|
{
|
2012-06-11 15:43:29 +00:00
|
|
|
bitstream_put(cabac.stream, base[x+y*encoder->in.width], 8);
|
|
|
|
}
|
2012-08-15 12:23:44 +00:00
|
|
|
}
|
2012-06-12 14:35:45 +00:00
|
|
|
if(encoder->in.video_format != FORMAT_400)
|
2012-06-08 13:55:24 +00:00
|
|
|
{
|
2012-06-12 14:35:45 +00:00
|
|
|
//Cb
|
|
|
|
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
|
2012-06-11 15:43:29 +00:00
|
|
|
{
|
2012-06-12 14:35:45 +00:00
|
|
|
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
|
|
|
|
{
|
|
|
|
bitstream_put(cabac.stream, baseCb[x+y*(encoder->in.width>>1)], 8);
|
|
|
|
}
|
2012-06-11 15:43:29 +00:00
|
|
|
}
|
2012-06-08 12:26:07 +00:00
|
|
|
|
2012-06-12 14:35:45 +00:00
|
|
|
//Cr
|
|
|
|
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
|
2012-06-11 15:43:29 +00:00
|
|
|
{
|
2012-06-12 14:35:45 +00:00
|
|
|
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
|
|
|
|
{
|
|
|
|
bitstream_put(cabac.stream, baseCr[x+y*(encoder->in.width>>1)], 8);
|
|
|
|
}
|
2012-06-11 15:43:29 +00:00
|
|
|
}
|
2012-06-08 13:55:24 +00:00
|
|
|
}
|
2012-06-08 12:26:07 +00:00
|
|
|
}
|
2012-06-11 15:43:29 +00:00
|
|
|
/* end PCM sample */
|
|
|
|
cabac_start(&cabac);
|
|
|
|
|
2012-06-12 14:35:45 +00:00
|
|
|
} /* end Code IPCM block */
|
2012-08-15 14:18:58 +00:00
|
|
|
else if(cur_CU->type == CU_INTRA)
|
2012-06-12 14:35:45 +00:00
|
|
|
{
|
2013-02-21 14:45:22 +00:00
|
|
|
static int predMode = 0;
|
2012-06-12 14:35:45 +00:00
|
|
|
cabac_encodeBinTrm(&cabac, 0); /* IPCMFlag == 0 */
|
2012-08-15 12:23:44 +00:00
|
|
|
|
2012-06-12 14:35:45 +00:00
|
|
|
cabac.ctx = &g_IntraModeSCModel;
|
|
|
|
CABAC_BIN(&cabac,0,"IntraPred");
|
|
|
|
|
|
|
|
/*
|
|
|
|
Int preds[3] = {-1, -1, -1};
|
|
|
|
Int predNum = pcCU->getIntraDirLumaPredictor(absPartIdx+partOffset*j, preds);
|
|
|
|
*/
|
2013-02-21 14:45:22 +00:00
|
|
|
CABAC_BINS_EP(&cabac, predMode, 5, "intraPredMode");
|
|
|
|
predMode++;
|
|
|
|
predMode = predMode % 10;
|
2012-08-15 12:23:44 +00:00
|
|
|
|
2012-08-15 10:22:31 +00:00
|
|
|
if(encoder->in.video_format != FORMAT_400)
|
|
|
|
{
|
|
|
|
cabac.ctx = &g_ChromaPredSCModel[0];
|
2013-02-21 14:45:22 +00:00
|
|
|
CABAC_BIN(&cabac,1,"IntraPredChroma");
|
|
|
|
|
|
|
|
CABAC_BINS_EP(&cabac, 0, 2, "intraPredModeChroma");
|
2012-08-15 10:22:31 +00:00
|
|
|
}
|
2012-06-12 14:35:45 +00:00
|
|
|
|
|
|
|
/* Coeff */
|
|
|
|
/* Transform tree */
|
2013-02-21 14:45:22 +00:00
|
|
|
cabac.ctx = &g_TransSubdivSCModel[0]; /* //uiLog2TransformBlockSize */
|
2012-06-12 14:35:45 +00:00
|
|
|
CABAC_BIN(&cabac,0,"TransformSubdivFlag");
|
2012-06-11 15:43:29 +00:00
|
|
|
|
2012-06-13 12:15:07 +00:00
|
|
|
/* We don't subdiv and we have 64>>depth transform size */
|
|
|
|
/* ToDo: allow other sized */
|
2012-06-12 14:35:45 +00:00
|
|
|
{
|
|
|
|
uint8_t CbY = 0,CbU = 0,CbV = 0;
|
|
|
|
|
|
|
|
/*
|
2012-06-15 11:54:57 +00:00
|
|
|
Quant and transform here...
|
2012-06-12 14:35:45 +00:00
|
|
|
*/
|
2013-02-21 14:45:22 +00:00
|
|
|
//CbY = 1; /* Let's pretend we have luma coefficients */
|
2012-06-12 14:35:45 +00:00
|
|
|
|
2013-02-21 14:45:22 +00:00
|
|
|
/* Signal if chroma data is present */
|
2012-08-15 10:22:31 +00:00
|
|
|
if(encoder->in.video_format != FORMAT_400)
|
|
|
|
{
|
|
|
|
/* Non-zero chroma U Tcoeffs */
|
|
|
|
cabac.ctx = &g_QtCbfSCModelU[0];
|
|
|
|
CABAC_BIN(&cabac,CbU,"cbf_chroma_u");
|
2012-06-12 14:35:45 +00:00
|
|
|
|
2012-08-15 10:22:31 +00:00
|
|
|
/* Non-zero chroma V Tcoeffs */
|
|
|
|
/* Using the same ctx as before */
|
|
|
|
CABAC_BIN(&cabac,CbV,"cbf_chroma_v");
|
|
|
|
}
|
2012-06-12 14:35:45 +00:00
|
|
|
|
|
|
|
/* Non-zero luma Tcoeffs */
|
2012-06-13 12:15:07 +00:00
|
|
|
cabac.ctx = &g_QtCbfSCModelY[1];
|
2012-06-12 14:35:45 +00:00
|
|
|
CABAC_BIN(&cabac,CbY,"cbf_luma");
|
|
|
|
|
|
|
|
/* CoeffNxN */
|
|
|
|
if(CbY)
|
|
|
|
{
|
2013-02-05 13:48:06 +00:00
|
|
|
//void encode_CoeffNxN(encoder_control* encoder,uint8_t lastpos_x, uint8_t lastpos_y, uint8_t width, uint8_t height, uint8_t type, uint8_t scan)
|
|
|
|
int c1 = 0;//,c1_num;
|
2012-08-10 08:59:05 +00:00
|
|
|
//int patternSigCtx;
|
2012-06-15 11:54:57 +00:00
|
|
|
/* scanCG == g_sigLastScanCG32x32 */
|
2012-06-13 12:15:07 +00:00
|
|
|
/* Residual Coding */
|
|
|
|
/* LastSignificantXY */
|
2013-02-05 13:48:06 +00:00
|
|
|
int16_t pre_quant_coeff[32*32];
|
2012-08-15 14:18:58 +00:00
|
|
|
int16_t coeff[32*32];
|
|
|
|
uint8_t last_coeff_x = 0;
|
|
|
|
uint8_t last_coeff_y = 0;
|
2013-02-05 13:48:06 +00:00
|
|
|
int32_t i,ii;
|
2012-08-15 14:18:58 +00:00
|
|
|
uint32_t sig_coeffgroup_flag[64];
|
2013-02-05 13:48:06 +00:00
|
|
|
uint32_t width = LCU_WIDTH>>depth;
|
|
|
|
uint32_t num_nonzero = 0;
|
|
|
|
int32_t scanPosLast = -1;
|
|
|
|
int32_t posLast = 0;
|
|
|
|
int8_t type = 0; /* LUMA */
|
|
|
|
int32_t shift = 4>>1;
|
|
|
|
int32_t iScanPosSig;
|
|
|
|
int32_t iLastScanSet;
|
|
|
|
uint32_t uiGoRiceParam = 0;
|
|
|
|
int16_t block[32*32];
|
|
|
|
uint8_t *base = &encoder->in.cur_pic.yData[xCtb*(LCU_WIDTH>>(MAX_DEPTH)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH)))*encoder->in.width];
|
|
|
|
uint32_t uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
|
|
|
|
|
|
|
|
/* CONSTANTS */
|
|
|
|
const uint32_t uiNumBlkSide = width >> shift;
|
|
|
|
const uint32_t uiLog2BlockSize = g_aucConvertToBit[ width ] + 2;
|
|
|
|
const uint32_t* scan = g_auiSigLastScan[ SCAN_DIAG ][ uiLog2BlockSize - 1 ];
|
|
|
|
const uint32_t* scanCG = NULL;
|
|
|
|
cabac_ctx* baseCoeffGroupCtx = &g_CUSigCoeffGroupSCModel[type];
|
|
|
|
cabac_ctx* baseCtx = (type==0) ? &g_CUSigSCModel_luma[0] :&g_CUSigSCModel_chroma[0];
|
|
|
|
|
|
|
|
memset(pre_quant_coeff,0,sizeof(int16_t)*32*32);
|
|
|
|
memset(coeff,0,sizeof(int16_t)*32*32);
|
2012-08-15 14:18:58 +00:00
|
|
|
memset(sig_coeffgroup_flag,0,sizeof(uint32_t)*64);
|
|
|
|
|
2013-02-05 13:48:06 +00:00
|
|
|
i = 0;
|
|
|
|
for(y = 0; y < LCU_WIDTH>>depth; y++)
|
2012-06-14 10:09:34 +00:00
|
|
|
{
|
2013-02-05 13:48:06 +00:00
|
|
|
for(x = 0; x < LCU_WIDTH>>depth; x++)
|
|
|
|
{
|
|
|
|
block[i++]=base[x+y*encoder->in.width];
|
|
|
|
}
|
2012-06-13 15:08:15 +00:00
|
|
|
}
|
2012-06-13 12:15:07 +00:00
|
|
|
|
2013-02-05 13:48:06 +00:00
|
|
|
/* Our coeffs */
|
|
|
|
transform2d(block,pre_quant_coeff,LCU_WIDTH>>depth,0);
|
|
|
|
{
|
|
|
|
//uint32_t uiAcSum;
|
|
|
|
//quant(encoder, pre_quant_coeff, coeff, width, width, &uiAcSum, type);
|
|
|
|
i = 0;
|
|
|
|
for(y = 0; y < LCU_WIDTH>>depth; y++)
|
|
|
|
{
|
|
|
|
for(x = 0; x < LCU_WIDTH>>depth; x++)
|
|
|
|
{
|
|
|
|
coeff[i++]=pre_quant_coeff[x+y*(LCU_WIDTH>>depth)]/encoder->QP;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* Count non-zero coeffs */
|
|
|
|
for(i = 0; (uint32_t)i < width*width; i++)
|
|
|
|
{
|
|
|
|
if(coeff[i] != 0)
|
|
|
|
{
|
|
|
|
num_nonzero++;
|
|
|
|
ii = i;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
last_coeff_x = ii & (width-1);
|
|
|
|
last_coeff_y = ii/width;
|
2012-06-15 11:54:57 +00:00
|
|
|
|
2013-02-05 13:48:06 +00:00
|
|
|
scanCG = g_auiSigLastScan[ SCAN_DIAG ][ uiLog2BlockSize > 3 ? uiLog2BlockSize-2-1 : 0 ];
|
|
|
|
if( uiLog2BlockSize == 3 )
|
|
|
|
{
|
|
|
|
scanCG = g_sigLastScan8x8[ SCAN_DIAG ];
|
|
|
|
}
|
|
|
|
else if( uiLog2BlockSize == 5 )
|
|
|
|
{
|
|
|
|
scanCG = g_sigLastScanCG32x32;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Significance mapping */
|
|
|
|
while(num_nonzero)
|
|
|
|
{
|
|
|
|
posLast = scan[ ++scanPosLast ];
|
|
|
|
#define POSY (posLast >> uiLog2BlockSize)
|
|
|
|
#define POSX (posLast - ( POSY << uiLog2BlockSize ))
|
|
|
|
if( coeff[ posLast ] )
|
|
|
|
{
|
|
|
|
sig_coeffgroup_flag[(uiNumBlkSide * (POSY >> shift) + (POSX >> shift))] = 1;
|
|
|
|
}
|
|
|
|
num_nonzero -= ( coeff[ posLast ] != 0 )?1:0;
|
|
|
|
#undef POSY
|
|
|
|
#undef POSX
|
|
|
|
}
|
2012-06-15 11:54:57 +00:00
|
|
|
|
2013-02-05 13:48:06 +00:00
|
|
|
/* Code last_coeff_x and last_coeff_y */
|
|
|
|
encode_lastSignificantXY(encoder,last_coeff_x, last_coeff_y, width, width, type, 0);
|
|
|
|
|
|
|
|
iScanPosSig = scanPosLast;
|
|
|
|
iLastScanSet = (scanPosLast >> 4);
|
|
|
|
/* significant_coeff_flag */
|
|
|
|
for(i = iLastScanSet; i >= 0; i-- )
|
2012-06-14 10:09:34 +00:00
|
|
|
{
|
2013-02-05 13:48:06 +00:00
|
|
|
int32_t iSubPos = i << 4 /*LOG2_SCAN_SET_SIZE*/;
|
|
|
|
int32_t abs_coeff[16];
|
|
|
|
int32_t iCGBlkPos = scanCG[ i ];
|
|
|
|
int32_t iCGPosY = iCGBlkPos / uiNumBlkSide;
|
|
|
|
int32_t iCGPosX = iCGBlkPos - (iCGPosY * uiNumBlkSide);
|
|
|
|
uint32_t coeffSigns = 0;
|
|
|
|
int32_t lastNZPosInCG = -1, firstNZPosInCG = 16;
|
|
|
|
int32_t numNonZero = 0;
|
|
|
|
|
|
|
|
if( iScanPosSig == scanPosLast )
|
2012-06-14 10:09:34 +00:00
|
|
|
{
|
2013-02-05 13:48:06 +00:00
|
|
|
abs_coeff[ 0 ] = abs( coeff[ posLast ] );
|
|
|
|
coeffSigns = ( coeff[ posLast ] < 0 )?1:0;
|
|
|
|
numNonZero = 1;
|
|
|
|
lastNZPosInCG = iScanPosSig;
|
|
|
|
firstNZPosInCG = iScanPosSig;
|
|
|
|
iScanPosSig--;
|
2012-06-15 11:54:57 +00:00
|
|
|
}
|
2013-02-05 13:48:06 +00:00
|
|
|
if( i == iLastScanSet || i == 0)
|
2012-06-15 11:54:57 +00:00
|
|
|
{
|
2013-02-05 13:48:06 +00:00
|
|
|
sig_coeffgroup_flag[ iCGBlkPos ] = 1;
|
2012-06-14 10:09:34 +00:00
|
|
|
}
|
2013-02-05 13:48:06 +00:00
|
|
|
else
|
|
|
|
{
|
|
|
|
uint32_t uiSigCoeffGroup = (sig_coeffgroup_flag[ iCGBlkPos ] != 0);
|
|
|
|
uint32_t uiCtxSig = context_get_sigCoeffGroup(sig_coeffgroup_flag, iCGPosX, iCGPosY, SCAN_DIAG, width);
|
|
|
|
cabac.ctx = &baseCoeffGroupCtx[ uiCtxSig ];
|
|
|
|
CABAC_BIN(&cabac,uiSigCoeffGroup,"significant_coeff_group");
|
|
|
|
}
|
|
|
|
|
|
|
|
if( sig_coeffgroup_flag[ iCGBlkPos ] )
|
|
|
|
{
|
|
|
|
int32_t patternSigCtx = context_calcPatternSigCtx( sig_coeffgroup_flag, iCGPosX, iCGPosY, width);
|
|
|
|
for( ; iScanPosSig >= iSubPos; iScanPosSig-- )
|
|
|
|
{
|
|
|
|
uiBlkPos = scan[ iScanPosSig ];
|
|
|
|
uiPosY = uiBlkPos >> uiLog2BlockSize;
|
|
|
|
uiPosX = uiBlkPos - ( uiPosY << uiLog2BlockSize );
|
|
|
|
uiSig = (coeff[ uiBlkPos ] != 0);
|
|
|
|
if( iScanPosSig > iSubPos || i == 0 || numNonZero )
|
|
|
|
{
|
|
|
|
uiCtxSig = context_getSigCtxInc( patternSigCtx, SCAN_DIAG, uiPosX, uiPosY, uiLog2BlockSize, width, type );
|
|
|
|
cabac.ctx = &baseCtx[ uiCtxSig ];
|
|
|
|
CABAC_BIN(&cabac,uiSig,"significant_coeff_flag");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
uiSig = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( uiSig )
|
|
|
|
{
|
|
|
|
abs_coeff[ numNonZero ] = abs( coeff[ uiBlkPos ] );
|
|
|
|
coeffSigns = 2 * coeffSigns + ( coeff[ uiBlkPos ] < 0 );
|
|
|
|
numNonZero++;
|
|
|
|
if( lastNZPosInCG == -1 )
|
|
|
|
{
|
|
|
|
lastNZPosInCG = iScanPosSig;
|
|
|
|
}
|
|
|
|
firstNZPosInCG = iScanPosSig;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
iScanPosSig = iSubPos - 1;
|
|
|
|
}
|
|
|
|
|
2012-06-11 15:43:29 +00:00
|
|
|
|
2013-02-05 13:48:06 +00:00
|
|
|
if( numNonZero > 0 )
|
|
|
|
{
|
|
|
|
uint8_t signHidden = ( lastNZPosInCG - firstNZPosInCG >= 4 );
|
|
|
|
uint32_t uiCtxSet = (i > 0 && type==0) ? 2 : 0;
|
|
|
|
cabac_ctx* baseCtxMod;
|
|
|
|
int32_t numC1Flag,firstC2FlagIdx,idx,iFirstCoeff2;
|
|
|
|
if( c1 == 0 )
|
|
|
|
{
|
|
|
|
uiCtxSet++;
|
|
|
|
}
|
|
|
|
c1 = 1;
|
|
|
|
|
|
|
|
baseCtxMod = ( type==0 ) ? &g_CUOneSCModel_luma[4 * uiCtxSet] : &g_CUOneSCModel_chroma[4 * uiCtxSet];
|
|
|
|
|
|
|
|
numC1Flag = MIN(numNonZero, C1FLAG_NUMBER);
|
|
|
|
firstC2FlagIdx = -1;
|
|
|
|
for(idx = 0; idx < numC1Flag; idx++ )
|
|
|
|
{
|
|
|
|
uint32_t uiSymbol = (abs_coeff[ idx ] > 1)?1:0;
|
|
|
|
cabac.ctx = &baseCtxMod[c1];
|
|
|
|
CABAC_BIN(&cabac,uiSymbol,"significant_coeff2_flag");
|
|
|
|
if( uiSymbol )
|
|
|
|
{
|
|
|
|
c1 = 0;
|
|
|
|
if (firstC2FlagIdx == -1)
|
|
|
|
{
|
|
|
|
firstC2FlagIdx = idx;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if( (c1 < 3) && (c1 > 0) )
|
|
|
|
{
|
|
|
|
c1++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (c1 == 0)
|
|
|
|
{
|
|
|
|
baseCtxMod = ( type==0 ) ? &g_cCUAbsSCModel_luma[uiCtxSet] : &g_cCUAbsSCModel_chroma[uiCtxSet];
|
|
|
|
if ( firstC2FlagIdx != -1)
|
|
|
|
{
|
|
|
|
uint8_t symbol = (abs_coeff[ firstC2FlagIdx ] > 2)?1:0;
|
|
|
|
cabac.ctx = &baseCtxMod[0];
|
|
|
|
CABAC_BIN(&cabac,symbol,"first_c2_flag");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if( 0 && /*beValid */ signHidden )
|
|
|
|
{
|
|
|
|
CABAC_BINS_EP(&cabac,(coeffSigns >> 1),(numNonZero-1),"");
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
CABAC_BINS_EP(&cabac,coeffSigns,numNonZero,"");
|
|
|
|
}
|
|
|
|
|
|
|
|
iFirstCoeff2 = 1;
|
|
|
|
if (c1 == 0 || numNonZero > C1FLAG_NUMBER)
|
|
|
|
{
|
|
|
|
for (idx = 0; idx < numNonZero; idx++ )
|
|
|
|
{
|
|
|
|
int32_t baseLevel = (idx < C1FLAG_NUMBER)? (2 + iFirstCoeff2 ) : 1;
|
|
|
|
|
|
|
|
if( abs_coeff[ idx ] >= baseLevel)
|
|
|
|
{
|
|
|
|
cabac_writeCoeffRemain(&cabac, abs_coeff[ idx ] - baseLevel, uiGoRiceParam );
|
|
|
|
if(abs_coeff[idx] > 3*(1<<uiGoRiceParam))
|
|
|
|
{
|
|
|
|
uiGoRiceParam = MIN(uiGoRiceParam+ 1, 4);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if(abs_coeff[ idx ] >= 2)
|
|
|
|
{
|
|
|
|
iFirstCoeff2 = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2012-06-13 12:15:07 +00:00
|
|
|
/* end Residual Coding */
|
2012-06-14 10:09:34 +00:00
|
|
|
}
|
2012-06-15 11:54:57 +00:00
|
|
|
}
|
2012-06-12 14:35:45 +00:00
|
|
|
/* end Transform tree */
|
|
|
|
/* end Coeff */
|
2013-02-21 14:45:22 +00:00
|
|
|
|
2012-06-12 14:35:45 +00:00
|
|
|
}
|
2012-08-15 14:18:58 +00:00
|
|
|
else
|
|
|
|
{
|
|
|
|
//printf("UNHANDLED TYPE!\r\n");
|
|
|
|
//exit(1);
|
|
|
|
}
|
2012-06-15 11:54:57 +00:00
|
|
|
//endif
|
2012-06-11 15:43:29 +00:00
|
|
|
/* end prediction unit */
|
2012-06-06 13:20:29 +00:00
|
|
|
/* end coding_unit */
|
|
|
|
|
2012-06-06 11:09:28 +00:00
|
|
|
}
|
|
|
|
|
2013-02-05 13:48:06 +00:00
|
|
|
void encode_CoeffNxN(encoder_control* encoder,uint8_t lastpos_x, uint8_t lastpos_y, uint8_t width, uint8_t height, uint8_t type, uint8_t scan)
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2012-08-15 14:18:58 +00:00
|
|
|
/* ToDo: fix for others than 32x32 */
|
2012-06-14 10:09:34 +00:00
|
|
|
void encode_lastSignificantXY(encoder_control* encoder,uint8_t lastpos_x, uint8_t lastpos_y, uint8_t width, uint8_t height, uint8_t type, uint8_t scan)
|
|
|
|
{
|
|
|
|
uint8_t offset_x = type?0:((TOBITS(width)*3) + ((TOBITS(width)+1)>>2)),offset_y = offset_x;
|
|
|
|
uint8_t shift_x = type?(TOBITS(width)):((TOBITS(width)+3)>>2), shift_y = shift_x;
|
2012-06-15 11:54:57 +00:00
|
|
|
int uiGroupIdxX = g_uiGroupIdx[lastpos_x];
|
|
|
|
int uiGroupIdxY = g_uiGroupIdx[lastpos_y];
|
2012-06-14 10:09:34 +00:00
|
|
|
int last_x,last_y,i;
|
|
|
|
|
|
|
|
/* Last X binarization */
|
|
|
|
for(last_x = 0; last_x < uiGroupIdxX ; last_x++)
|
|
|
|
{
|
|
|
|
cabac.ctx = &g_CuCtxLastX_luma[offset_x+(last_x>>shift_x)];
|
|
|
|
CABAC_BIN(&cabac,1,"LastSignificantX");
|
|
|
|
}
|
2012-08-15 14:18:58 +00:00
|
|
|
if(uiGroupIdxX < g_uiGroupIdx[width-1])
|
2012-06-14 10:09:34 +00:00
|
|
|
{
|
|
|
|
cabac.ctx = &g_CuCtxLastX_luma[offset_x+(last_x>>shift_x)];
|
|
|
|
CABAC_BIN(&cabac,0,"LastSignificantX");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Last Y binarization */
|
|
|
|
for(last_y = 0; last_y < uiGroupIdxY ; last_y++)
|
|
|
|
{
|
|
|
|
cabac.ctx = &g_CuCtxLastY_luma[offset_y+(last_y>>shift_y)];
|
|
|
|
CABAC_BIN(&cabac,1,"LastSignificantY");
|
|
|
|
}
|
2012-08-15 14:18:58 +00:00
|
|
|
if(uiGroupIdxY < g_uiGroupIdx[height-1])
|
2012-06-14 10:09:34 +00:00
|
|
|
{
|
|
|
|
cabac.ctx = &g_CuCtxLastY_luma[offset_y+(last_y>>shift_y)];
|
|
|
|
CABAC_BIN(&cabac,0,"LastSignificantY");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Last X */
|
|
|
|
if(uiGroupIdxX > 3)
|
|
|
|
{
|
|
|
|
lastpos_x -= g_uiMinInGroup[uiGroupIdxX];
|
|
|
|
for(i = ((uiGroupIdxX-2)>>1)-1; i>=0; i--)
|
|
|
|
{
|
|
|
|
CABAC_BIN_EP(&cabac,(lastpos_x>>i) & 1,"LastSignificantX");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* Last Y */
|
|
|
|
if(uiGroupIdxY > 3)
|
|
|
|
{
|
|
|
|
lastpos_y -= g_uiMinInGroup[uiGroupIdxY];
|
|
|
|
for(i = ((uiGroupIdxY-2)>>1)-1; i>=0; i--)
|
|
|
|
{
|
|
|
|
CABAC_BIN_EP(&cabac,(lastpos_y>>i) & 1,"LastSignificantY");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* end LastSignificantXY */
|
|
|
|
}
|