Splitted transform tree to a function

This commit is contained in:
Marko Viitanen 2013-03-25 12:48:19 +02:00
parent 902ffb6a67
commit 43122a1f0a
4 changed files with 317 additions and 284 deletions

View file

@ -20,8 +20,6 @@
#include "context.h" #include "context.h"
/* CONTEXTS */ /* CONTEXTS */
/* ToDo: move somewhere else */
cabac_ctx *SplitFlagSCModel;
cabac_ctx g_SplitFlagSCModel[3]; /*<! \brief split flag context models */ cabac_ctx g_SplitFlagSCModel[3]; /*<! \brief split flag context models */
cabac_ctx g_IntraModeSCModel; /*<! \brief intra mode context models */ cabac_ctx g_IntraModeSCModel; /*<! \brief intra mode context models */
cabac_ctx g_ChromaPredSCModel[2]; cabac_ctx g_ChromaPredSCModel[2];
@ -120,17 +118,15 @@ uint32_t context_get_sigCoeffGroup( uint32_t* uiSigCoeffGroupFlag,
} }
//uint8_t get_context_coeff_abs_significant_flag(uint8_t /*!
\brief Pattern decision for context derivation process of significant_coeff_flag
\param sigCoeffGroupFlag pointer to prior coded significant coeff group
/** Pattern decision for context derivation process of significant_coeff_flag \param posXCG column of current coefficient group
* \param sigCoeffGroupFlag pointer to prior coded significant coeff group \param posYCG row of current coefficient group
* \param posXCG column of current coefficient group \param width width of the block
* \param posYCG row of current coefficient group \param height height of the block
* \param width width of the block \returns pattern for current coefficient group
* \param height height of the block */
* \returns pattern for current coefficient group
*/
int32_t context_calcPatternSigCtx( const uint32_t* sigCoeffGroupFlag, uint32_t posXCG, uint32_t posYCG, int32_t width) int32_t context_calcPatternSigCtx( const uint32_t* sigCoeffGroupFlag, uint32_t posXCG, uint32_t posYCG, int32_t width)
{ {
@ -154,15 +150,16 @@ int32_t context_calcPatternSigCtx( const uint32_t* sigCoeffGroupFlag, uint32_t
} }
/** Context derivation process of coeff_abs_significant_flag /*!
* \param patternSigCtx pattern for current coefficient group \brief Context derivation process of coeff_abs_significant_flag
* \param posX column of current scan position \param patternSigCtx pattern for current coefficient group
* \param posY row of current scan position \param posX column of current scan position
* \param blockType log2 value of block size if square block, or 4 otherwise \param posY row of current scan position
* \param width width of the block \param blockType log2 value of block size if square block, or 4 otherwise
* \param textureType texture type (TEXT_LUMA...) \param width width of the block
* \returns ctxInc for current scan position \param textureType texture type (TEXT_LUMA...)
*/ \returns ctxInc for current scan position
*/
int32_t context_getSigCtxInc(int32_t patternSigCtx,uint32_t scanIdx,int32_t posX, int32_t context_getSigCtxInc(int32_t patternSigCtx,uint32_t scanIdx,int32_t posX,
int32_t posY,int32_t blockType,int32_t width, int32_t posY,int32_t blockType,int32_t width,

View file

@ -30,7 +30,6 @@ int32_t context_getSigCtxInc(int32_t patternSigCtx,uint32_t scanIdx,int32_t posX
/* CONTEXTS */ /* CONTEXTS */
extern cabac_ctx *SplitFlagSCModel;
extern cabac_ctx g_SplitFlagSCModel[3]; extern cabac_ctx g_SplitFlagSCModel[3];
extern cabac_ctx g_IntraModeSCModel; extern cabac_ctx g_IntraModeSCModel;
extern cabac_ctx g_ChromaPredSCModel[2]; extern cabac_ctx g_ChromaPredSCModel[2];

View file

@ -630,7 +630,7 @@ void encode_slice_data(encoder_control* encoder)
void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t depth) void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t depth)
{ {
uint8_t split_flag = (depth<3)?1:0; /* ToDo: get from CU data */ uint8_t split_flag = (depth<2)?1:0; /* ToDo: get from CU data */
uint8_t split_model = 0; uint8_t split_model = 0;
/* Check for slice border */ /* Check for slice border */
@ -845,263 +845,10 @@ void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, ui
/* Coeff */ /* Coeff */
/* Transform tree */ /* Transform tree */
if(depth < MAX_DEPTH) encode_transform_tree(encoder,base, baseU, baseV, encoder->in.width,
{ recbase,recbaseU, recbaseV, encoder->in.width,
cabac.ctx = &g_TransSubdivSCModel[5-(g_aucConvertToBit[LCU_WIDTH]+2-depth)]; pred,predU,predV,LCU_WIDTH,
CABAC_BIN(&cabac,0,"TransformSubdivFlag"); depth, intraPredMode, intraPredModeChroma);
}
/* We don't subdiv and we have 64>>depth transform size */
/* ToDo: allow other sized */
{
uint8_t CbY = 0,CbU = 0,CbV = 0;
/*
Quant and transform here...
*/
int16_t block[LCU_WIDTH*LCU_WIDTH];
int16_t pre_quant_coeff[LCU_WIDTH*LCU_WIDTH];
int16_t coeff[LCU_WIDTH*LCU_WIDTH];
int16_t coeffU[LCU_WIDTH*LCU_WIDTH>>2];
int16_t coeffV[LCU_WIDTH*LCU_WIDTH>>2];
/* Get residual by subtracting prediction */
i = 0;
for(y = 0; y < LCU_WIDTH>>depth; y++)
{
for(x = 0; x < LCU_WIDTH>>depth; x++)
{
block[i++]=((int16_t)base[x+y*encoder->in.width])-pred[x+y*(LCU_WIDTH>>depth)];
}
}
/* Transform and quant residual to coeffs */
transform2d(block,pre_quant_coeff,width,0);
quant(encoder,pre_quant_coeff,coeff,width, width,0, 0, SCAN_DIAG);
/* Check for non-zero coeffs */
for(i = 0; (uint32_t)i < width*width; i++)
{
if(coeff[i] != 0)
{
/* Found one, we can break here */
CbY = 1;
break;
}
}
/* if non-zero coeffs */
if(CbY)
{
/* RECONSTRUCT for predictions */
dequant(encoder,coeff,pre_quant_coeff,width, width,0);
itransform2d(block,pre_quant_coeff,width,0);
i = 0;
for(y = 0; y < LCU_WIDTH>>depth; y++)
{
for(x = 0; x < LCU_WIDTH>>depth; x++)
{
int16_t val = block[i++]+pred[x+y*(LCU_WIDTH>>depth)];
//ToDo: support 10+bits
recbase[x+y*encoder->in.width] = (uint8_t)CLIP(0,255,val);
}
}
/* END RECONTRUCTION */
}
/* without coeffs, we only use the prediction */
else
{
for(y = 0; y < LCU_WIDTH>>depth; y++)
{
for(x = 0; x < LCU_WIDTH>>depth; x++)
{
recbase[x+y*encoder->in.width] = (uint8_t)CLIP(0,255,pred[x+y*(LCU_WIDTH>>depth)]);
}
}
}
if(encoder->in.video_format != FORMAT_400)
{
/* U */
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
block[i++]=((int16_t)baseU[x+y*(encoder->in.width>>1)])-predU[x+y*(LCU_WIDTH>>(depth+1))];
}
}
transform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
quant(encoder,pre_quant_coeff,coeffU, width>>1, width>>1, 0,2,SCAN_DIAG);
for(i = 0; (uint32_t)i < width*width>>2; i++)
{
if(coeffU[i] != 0)
{
/* Found one, we can break here */
CbU = 1;
break;
}
}
/* V */
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
block[i++]=((int16_t)baseV[x+y*(encoder->in.width>>1)])-predV[x+y*(LCU_WIDTH>>(depth+1))];
}
}
transform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
quant(encoder,pre_quant_coeff,coeffV, width>>1, width>>1, 0,3,SCAN_DIAG);
for(i = 0; (uint32_t)i < width*width>>2; i++)
{
if(coeffV[i] != 0)
{
/* Found one, we can break here */
CbV = 1;
break;
}
}
if(CbU)
{
/* RECONSTRUCT for predictions */
dequant(encoder,coeffU,pre_quant_coeff,width>>1, width>>1,2);
itransform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
int16_t val = block[i++]+predU[x+y*(LCU_WIDTH>>(depth+1))];
//ToDo: support 10+bits
recbaseU[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,val);
}
}
/* END RECONTRUCTION */
}
/* without coeffs, we only use the prediction */
else
{
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
recbaseU[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,predU[x+y*(LCU_WIDTH>>(depth+1))]);
}
}
}
if(CbV)
{
/* RECONSTRUCT for predictions */
dequant(encoder,coeffV,pre_quant_coeff,width>>1, width>>1,3);
itransform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
int16_t val = block[i++]+predV[x+y*(LCU_WIDTH>>(depth+1))];
//ToDo: support 10+bits
recbaseV[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,val);
}
}
/* END RECONTRUCTION */
}
/* without coeffs, we only use the prediction */
else
{
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
recbaseV[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,predV[x+y*(LCU_WIDTH>>(depth+1))]);
}
}
}
}
/* END INTRAPREDICTION */
/* Signal if chroma data is present */
if(encoder->in.video_format != FORMAT_400)
{
/* Non-zero chroma U Tcoeffs */
cabac.ctx = &g_QtCbfSCModelU[0]; /*<- */
CABAC_BIN(&cabac,CbU,"cbf_chroma_u");/* \ */
/* | */
/* Non-zero chroma V Tcoeffs */ /* | */
/* NOTE: Using the same ctx as before _ / */
CABAC_BIN(&cabac,CbV,"cbf_chroma_v");
}
/* Non-zero luma Tcoeffs */
cabac.ctx = &g_QtCbfSCModelY[1];
CABAC_BIN(&cabac,CbY,"cbf_luma");
{
uint32_t uiCTXIdx;
uint32_t uiScanIdx = SCAN_DIAG;
uint32_t uiDirMode;
switch(width)
{
case 2: uiCTXIdx = 6; break;
case 4: uiCTXIdx = 5; break;
case 8: uiCTXIdx = 4; break;
case 16: uiCTXIdx = 3; break;
case 32: uiCTXIdx = 2; break;
case 64: uiCTXIdx = 1; break;
default: uiCTXIdx = 0; break;
}
/* CoeffNxN */
/* Residual Coding */
if(CbY)
{
/* Luma (Intra) scanmode */
uiDirMode = intraPredMode;
if (uiCTXIdx >3 && uiCTXIdx < 6) //if multiple scans supported for transform size
{
uiScanIdx = abs((int32_t) uiDirMode - 26) < 5 ? 1 : (abs((int32_t)uiDirMode - 10) < 5 ? 2 : 0);
}
encode_CoeffNxN(encoder,coeff, width, 0, uiScanIdx);
}
if(CbU||CbV)
{
/* Chroma scanmode */
uiCTXIdx++;
uiDirMode = intraPredModeChroma;
if(uiDirMode==36)
{
/* ToDo: support NxN */
uiDirMode = intraPredMode;
}
uiScanIdx = SCAN_DIAG;
if (uiCTXIdx >4 && uiCTXIdx < 7) //if multiple scans supported for transform size
{
uiScanIdx = abs((int32_t) uiDirMode - 26) < 5 ? 1 : (abs((int32_t)uiDirMode - 10) < 5 ? 2 : 0);
}
if(CbU)
{
encode_CoeffNxN(encoder,coeffU, width>>1, 2, uiScanIdx);
}
if(CbV)
{
encode_CoeffNxN(encoder,coeffV, width>>1, 2, uiScanIdx);
}
}
}
/* end Residual Coding */
}
/* end Transform tree */ /* end Transform tree */
/* end Coeff */ /* end Coeff */
@ -1161,6 +908,293 @@ void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, ui
} }
void encode_transform_tree(encoder_control* encoder,uint8_t *base, uint8_t *baseU, uint8_t *baseV,int32_t base_stride,
uint8_t *recbase,uint8_t *recbaseU, uint8_t *recbaseV,int32_t recbase_stride,
int16_t *pred, int16_t *predU, int16_t *predV,int32_t pred_stride,
uint8_t depth, int8_t intraPredMode, int8_t intraPredModeChroma)
{
int x,y,i;
int32_t width = LCU_WIDTH>>depth;
int8_t split = 0;
if(depth < MAX_DEPTH)
{
cabac.ctx = &g_TransSubdivSCModel[5-(g_aucConvertToBit[LCU_WIDTH]+2-depth)];
CABAC_BIN(&cabac,split,"TransformSubdivFlag");
}
if(split)
{
encode_transform_tree(encoder,base, baseU, baseV, base_stride,
recbase,recbaseU, recbaseV, recbase_stride,
pred,predU,predV,pred_stride,
depth+1, intraPredMode, intraPredModeChroma);
encode_transform_tree(encoder,base, baseU, baseV, base_stride,
recbase,recbaseU, recbaseV, recbase_stride,
pred,predU,predV,pred_stride,
depth+1, intraPredMode, intraPredModeChroma);
encode_transform_tree(encoder,base, baseU, baseV, base_stride,
recbase,recbaseU, recbaseV, recbase_stride,
pred,predU,predV,pred_stride,
depth+1, intraPredMode, intraPredModeChroma);
encode_transform_tree(encoder,base, baseU, baseV, base_stride,
recbase,recbaseU, recbaseV, recbase_stride,
pred,predU,predV,pred_stride,
depth+1, intraPredMode, intraPredModeChroma);
}
/* We don't subdiv and we have 64>>depth transform size */
/* ToDo: allow other sized */
{
uint8_t CbY = 0,CbU = 0,CbV = 0;
/*
Quant and transform here...
*/
int16_t block[LCU_WIDTH*LCU_WIDTH];
int16_t pre_quant_coeff[LCU_WIDTH*LCU_WIDTH];
int16_t coeff[LCU_WIDTH*LCU_WIDTH];
int16_t coeffU[LCU_WIDTH*LCU_WIDTH>>2];
int16_t coeffV[LCU_WIDTH*LCU_WIDTH>>2];
/* Get residual by subtracting prediction */
i = 0;
for(y = 0; y < LCU_WIDTH>>depth; y++)
{
for(x = 0; x < LCU_WIDTH>>depth; x++)
{
block[i++]=((int16_t)base[x+y*encoder->in.width])-pred[x+y*(LCU_WIDTH>>depth)];
}
}
/* Transform and quant residual to coeffs */
transform2d(block,pre_quant_coeff,width,0);
quant(encoder,pre_quant_coeff,coeff,width, width,0, 0, SCAN_DIAG);
/* Check for non-zero coeffs */
for(i = 0; (uint32_t)i < width*width; i++)
{
if(coeff[i] != 0)
{
/* Found one, we can break here */
CbY = 1;
break;
}
}
/* if non-zero coeffs */
if(CbY)
{
/* RECONSTRUCT for predictions */
dequant(encoder,coeff,pre_quant_coeff,width, width,0);
itransform2d(block,pre_quant_coeff,width,0);
i = 0;
for(y = 0; y < LCU_WIDTH>>depth; y++)
{
for(x = 0; x < LCU_WIDTH>>depth; x++)
{
int16_t val = block[i++]+pred[x+y*(LCU_WIDTH>>depth)];
//ToDo: support 10+bits
recbase[x+y*encoder->in.width] = (uint8_t)CLIP(0,255,val);
}
}
/* END RECONTRUCTION */
}
/* without coeffs, we only use the prediction */
else
{
for(y = 0; y < LCU_WIDTH>>depth; y++)
{
for(x = 0; x < LCU_WIDTH>>depth; x++)
{
recbase[x+y*encoder->in.width] = (uint8_t)CLIP(0,255,pred[x+y*(LCU_WIDTH>>depth)]);
}
}
}
if(encoder->in.video_format != FORMAT_400)
{
/* U */
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
block[i++]=((int16_t)baseU[x+y*(encoder->in.width>>1)])-predU[x+y*(LCU_WIDTH>>(depth+1))];
}
}
transform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
quant(encoder,pre_quant_coeff,coeffU, width>>1, width>>1, 0,2,SCAN_DIAG);
for(i = 0; (uint32_t)i < width*width>>2; i++)
{
if(coeffU[i] != 0)
{
/* Found one, we can break here */
CbU = 1;
break;
}
}
/* V */
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
block[i++]=((int16_t)baseV[x+y*(encoder->in.width>>1)])-predV[x+y*(LCU_WIDTH>>(depth+1))];
}
}
transform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
quant(encoder,pre_quant_coeff,coeffV, width>>1, width>>1, 0,3,SCAN_DIAG);
for(i = 0; (uint32_t)i < width*width>>2; i++)
{
if(coeffV[i] != 0)
{
/* Found one, we can break here */
CbV = 1;
break;
}
}
if(CbU)
{
/* RECONSTRUCT for predictions */
dequant(encoder,coeffU,pre_quant_coeff,width>>1, width>>1,2);
itransform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
int16_t val = block[i++]+predU[x+y*(LCU_WIDTH>>(depth+1))];
//ToDo: support 10+bits
recbaseU[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,val);
}
}
/* END RECONTRUCTION */
}
/* without coeffs, we only use the prediction */
else
{
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
recbaseU[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,predU[x+y*(LCU_WIDTH>>(depth+1))]);
}
}
}
if(CbV)
{
/* RECONSTRUCT for predictions */
dequant(encoder,coeffV,pre_quant_coeff,width>>1, width>>1,3);
itransform2d(block,pre_quant_coeff,LCU_WIDTH>>(depth+1),0);
i = 0;
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
int16_t val = block[i++]+predV[x+y*(LCU_WIDTH>>(depth+1))];
//ToDo: support 10+bits
recbaseV[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,val);
}
}
/* END RECONTRUCTION */
}
/* without coeffs, we only use the prediction */
else
{
for(y = 0; y < LCU_WIDTH>>(depth+1); y++)
{
for(x = 0; x < LCU_WIDTH>>(depth+1); x++)
{
recbaseV[x+y*(encoder->in.width>>1)] = (uint8_t)CLIP(0,255,predV[x+y*(LCU_WIDTH>>(depth+1))]);
}
}
}
}
/* END INTRAPREDICTION */
/* Signal if chroma data is present */
if(encoder->in.video_format != FORMAT_400)
{
/* Non-zero chroma U Tcoeffs */
cabac.ctx = &g_QtCbfSCModelU[0]; /*<- */
CABAC_BIN(&cabac,CbU,"cbf_chroma_u");/* \ */
/* | */
/* Non-zero chroma V Tcoeffs */ /* | */
/* NOTE: Using the same ctx as before _ / */
CABAC_BIN(&cabac,CbV,"cbf_chroma_v");
}
/* Non-zero luma Tcoeffs */
cabac.ctx = &g_QtCbfSCModelY[1];
CABAC_BIN(&cabac,CbY,"cbf_luma");
{
uint32_t uiCTXIdx;
uint32_t uiScanIdx = SCAN_DIAG;
uint32_t uiDirMode;
switch(width)
{
case 2: uiCTXIdx = 6; break;
case 4: uiCTXIdx = 5; break;
case 8: uiCTXIdx = 4; break;
case 16: uiCTXIdx = 3; break;
case 32: uiCTXIdx = 2; break;
case 64: uiCTXIdx = 1; break;
default: uiCTXIdx = 0; break;
}
/* CoeffNxN */
/* Residual Coding */
if(CbY)
{
/* Luma (Intra) scanmode */
uiDirMode = intraPredMode;
if (uiCTXIdx >3 && uiCTXIdx < 6) //if multiple scans supported for transform size
{
uiScanIdx = abs((int32_t) uiDirMode - 26) < 5 ? 1 : (abs((int32_t)uiDirMode - 10) < 5 ? 2 : 0);
}
encode_CoeffNxN(encoder,coeff, width, 0, uiScanIdx);
}
if(CbU||CbV)
{
/* Chroma scanmode */
uiCTXIdx++;
uiDirMode = intraPredModeChroma;
if(uiDirMode==36)
{
/* ToDo: support NxN */
uiDirMode = intraPredMode;
}
uiScanIdx = SCAN_DIAG;
if (uiCTXIdx >4 && uiCTXIdx < 7) //if multiple scans supported for transform size
{
uiScanIdx = abs((int32_t) uiDirMode - 26) < 5 ? 1 : (abs((int32_t)uiDirMode - 10) < 5 ? 2 : 0);
}
if(CbU)
{
encode_CoeffNxN(encoder,coeffU, width>>1, 2, uiScanIdx);
}
if(CbV)
{
encode_CoeffNxN(encoder,coeffV, width>>1, 2, uiScanIdx);
}
}
}
}
/* end Residual Coding */
}
void encode_CoeffNxN(encoder_control* encoder,int16_t* coeff, uint8_t width, uint8_t type, int8_t scanMode) void encode_CoeffNxN(encoder_control* encoder,int16_t* coeff, uint8_t width, uint8_t type, int8_t scanMode)
{ {
int c1 = 1;//,c1_num; int c1 = 1;//,c1_num;

View file

@ -68,7 +68,10 @@ void encode_slice_header(encoder_control* encoder);
void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t depth); void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t depth);
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); 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);
void encode_CoeffNxN(encoder_control* encoder,int16_t* coeff, uint8_t width, uint8_t type, int8_t scanMode); void encode_CoeffNxN(encoder_control* encoder,int16_t* coeff, uint8_t width, uint8_t type, int8_t scanMode);
void encode_transform_tree(encoder_control* encoder,uint8_t *base, uint8_t *baseU, uint8_t *baseV,int32_t base_stride,
uint8_t *recbase,uint8_t *recbaseU, uint8_t *recbaseV,int32_t recbase_stride,
int16_t *pred, int16_t *predU, int16_t *predV,int32_t pred_stride,
uint8_t depth, int8_t intraPredMode, int8_t intraPredModeChroma);
void init_tables(void); void init_tables(void);
static uint32_t* g_auiSigLastScan[3][7]; static uint32_t* g_auiSigLastScan[3][7];