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Transform split fixes, not working yet.

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This commit is contained in:
Marko Viitanen 2013-03-26 16:53:07 +02:00
parent 55cc82925d
commit 4c47639fe5
2 changed files with 63 additions and 60 deletions
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99
src/encoder.c
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@ -232,6 +232,7 @@ void init_encoder_input(encoder_input* input,FILE* inputfile, uint32_t width, ui
input->cur_pic.CU = (CU_info**)malloc((MAX_DEPTH+1)*sizeof(CU_info*));
for(i=0; i < MAX_DEPTH+1; i++)
{
/* Allocate height_in_SCU x width_in_SCU x sizeof(CU_info) */
input->cur_pic.CU[i] = (CU_info*)malloc((input->height_in_LCU<<MAX_DEPTH)*(input->width_in_LCU<<MAX_DEPTH)*sizeof(CU_info));
memset(input->cur_pic.CU[i], 0, (input->height_in_LCU<<MAX_DEPTH)*(input->width_in_LCU<<MAX_DEPTH)*sizeof(CU_info));
}
@ -441,8 +442,8 @@ void encode_seq_parameter_set(encoder_control* encoder)
WRITE_UE(encoder->stream, MIN_SIZE-3, "log2_min_coding_block_size_minus3");
WRITE_UE(encoder->stream, MAX_DEPTH, "log2_diff_max_min_coding_block_size");
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, 0, "log2_min_transform_block_size_minus2"); /* 4x4 */
WRITE_UE(encoder->stream, 3, "log2_diff_max_min_transform_block_size"); /* 4x4...32x32 */
WRITE_UE(encoder->stream, 2, "max_transform_hierarchy_depth_inter");
WRITE_UE(encoder->stream, 2, "max_transform_hierarchy_depth_intra");
@ -630,7 +631,7 @@ void encode_slice_data(encoder_control* encoder)
void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, uint8_t depth)
{
uint8_t split_flag = 0;//(depth<1)?1:0; /* ToDo: get from CU data */
uint8_t split_flag = (depth<3)?1:0; /* ToDo: get from CU data */
uint8_t split_model = 0;
/* Check for slice border */
@ -846,33 +847,19 @@ void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, ui
/* Coeff */
/* Transform tree */
{
int16_t coeff[LCU_WIDTH*LCU_WIDTH];
int16_t coeffU[LCU_WIDTH*LCU_WIDTH>>2];
int16_t coeffV[LCU_WIDTH*LCU_WIDTH>>2];
int16_t coeff[LCU_WIDTH*LCU_WIDTH*2];
int16_t coeffU[LCU_WIDTH*LCU_WIDTH>>1];
int16_t coeffV[LCU_WIDTH*LCU_WIDTH>>1];
int8_t split = 0;
int32_t cb = encode_transform_tree(encoder,base, baseU, baseV, encoder->in.width,
/* Handle transforms, quant and reconstruction */
int32_t cb = encode_transform_tree( encoder,base, baseU, baseV, encoder->in.width,
recbase,recbaseU, recbaseV, encoder->in.width,
pred,predU,predV,(LCU_WIDTH>>depth),
coeff,coeffU,coeffV,
depth, &split);
if(split)
{
encode_transform_coeff(encoder, coeff, coeffU, coeffV, cb&0x1, cb&0x2, cb&0x4,width>>1, intraPredMode, intraPredModeChroma, 1);
cb >>= 3;
encode_transform_coeff(encoder, &coeff[LCU_WIDTH*LCU_WIDTH>>2], &coeffU[LCU_WIDTH*LCU_WIDTH>>4], &coeffV[LCU_WIDTH*LCU_WIDTH>>4],
(cb&0x1)?1:0, (cb&0x2)?1:0, (cb&0x4)?1:0,width>>1, intraPredMode, intraPredModeChroma, 0);
cb >>= 3;
encode_transform_coeff(encoder, &coeff[LCU_WIDTH*LCU_WIDTH>>1], &coeffU[LCU_WIDTH*LCU_WIDTH>>3], &coeffV[LCU_WIDTH*LCU_WIDTH>>3],
(cb&0x1)?1:0, (cb&0x2)?1:0, (cb&0x4)?1:0,width>>1, intraPredMode, intraPredModeChroma, 0);
cb >>= 3;
encode_transform_coeff(encoder, &coeff[3*LCU_WIDTH*LCU_WIDTH>>2], &coeffU[3*LCU_WIDTH*LCU_WIDTH>>4], &coeffV[3*LCU_WIDTH*LCU_WIDTH>>4],
(cb&0x1)?1:0, (cb&0x2)?1:0, (cb&0x4)?1:0,width>>1, intraPredMode, intraPredModeChroma, 0);
}
else
{
encode_transform_coeff(encoder, coeff, coeffU, coeffV, (cb&0x1)?1:0, (cb&0x2)?1:0, (cb&0x4)?1:0,width, intraPredMode, intraPredModeChroma, 1);
}
/* Code coeffs to bitstream */
encode_transform_coeff(encoder, coeff, coeffU, coeffV, cb, cb, cb,depth, intraPredMode, intraPredModeChroma, split?1:0, 1);
}
/* end Transform tree */
/* end Coeff */
@ -880,7 +867,7 @@ void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, ui
}
#if ENABLE_PCM == 1
/* Code IPCM block */
else if(cur_CU->type == CU_PCM || cur_CU->type == CU_NOTSET) /* also handling NOTSET conditions */
else if(cur_CU->type == CU_PCM)
{
cabac_encodeBinTrm(&cabac, 1); /* IPCMFlag == 1 */
cabac_finish(&cabac);
@ -947,13 +934,9 @@ int32_t encode_transform_tree(encoder_control* encoder,uint8_t *base, uint8_t *b
if(depth == 0)
{
/* Prepare for multi-level splitting */
*split |= 1<<depth;
}
else if(depth < MAX_DEPTH)
{
cabac.ctx = &g_TransSubdivSCModel[5-(g_aucConvertToBit[LCU_WIDTH]+2-depth)];
CABAC_BIN(&cabac,(*split)&(1<<depth),"TransformSubdivFlag");
}
if((*split)&(1<<depth))
{
@ -963,7 +946,7 @@ int32_t encode_transform_tree(encoder_control* encoder,uint8_t *base, uint8_t *b
int32_t recbase_offset_c_y = (recbase_stride>>1)*(half_width>>1);
int32_t base_offset_c_y = (base_stride>>1)*(half_width>>1);
int32_t pred_offset_c_y = (pred_stride>>1)*(half_width>>1);
int32_t coeff_fourth = (LCU_WIDTH*LCU_WIDTH>>4);
int32_t coeff_fourth = (LCU_WIDTH*LCU_WIDTH>>2);
int32_t output = 0;
int32_t outhelper = 0;
output = encode_transform_tree(encoder,base, baseU, baseV, base_stride,
@ -1172,20 +1155,45 @@ int32_t encode_transform_tree(encoder_control* encoder,uint8_t *base, uint8_t *b
void encode_transform_coeff(encoder_control* encoder, int16_t *coeff, int16_t *coeffU, int16_t *coeffV,
int8_t CbY, int8_t CbU, int8_t CbV,int8_t width, int8_t intraPredMode, int8_t intraPredModeChroma, int8_t toplevel)
int32_t CbY, int32_t CbU, int32_t CbV,int8_t depth, int8_t intraPredMode, int8_t intraPredModeChroma, int8_t split, int8_t toplevel)
{
/* Signal if chroma data is present */
if(toplevel && encoder->in.video_format != FORMAT_400)
int8_t width = LCU_WIDTH>>depth;
if(depth != 0 && depth != MAX_DEPTH)
{
/* 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");
cabac.ctx = &g_TransSubdivSCModel[5-(g_aucConvertToBit[LCU_WIDTH]+2-depth)];
CABAC_BIN(&cabac,split,"TransformSubdivFlag");
}
/* 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&0x2||toplevel)?1:0,"cbf_chroma_u");
/* Non-zero chroma V Tcoeffs */
/* NOTE: Using the same ctx as before */
CABAC_BIN(&cabac,(CbV&0x4||toplevel)?1:0,"cbf_chroma_v");
}
if(split)
{
encode_transform_coeff(encoder, coeff, coeffU, coeffV,
CbY, CbU, CbV,depth+1,
intraPredMode, intraPredModeChroma, 0, 0);
encode_transform_coeff(encoder, coeff, coeffU, coeffV,
CbY, CbU, CbV,depth+1,
intraPredMode, intraPredModeChroma, 0, 0);
encode_transform_coeff(encoder, coeff, coeffU, coeffV,
CbY, CbU, CbV,depth+1,
intraPredMode, intraPredModeChroma, 0, 0);
encode_transform_coeff(encoder, coeff, coeffU, coeffV,
CbY, CbU, CbV,depth+1,
intraPredMode, intraPredModeChroma, 0, 0);
return;
}
CbY = (CbY&0x1)?1:0;
CbU = (CbU&0x2)?1:0;
CbV = (CbV&0x4)?1:0;
/* Non-zero luma Tcoeffs */
cabac.ctx = &g_QtCbfSCModelY[1];
@ -1247,7 +1255,7 @@ void encode_transform_coeff(encoder_control* encoder, int16_t *coeff, int16_t *c
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;
uint8_t last_coeff_x = 0;
uint8_t last_coeff_y = 0;
int32_t i;
@ -1257,13 +1265,11 @@ void encode_CoeffNxN(encoder_control* encoder,int16_t* coeff, uint8_t width, uin
int32_t scanPosLast = -1;
int32_t posLast = 0;
int32_t shift = 4>>1;
int8_t beValid = ENABLE_SIGN_HIDING;
int32_t iScanPosSig;
int32_t iLastScanSet;
uint32_t uiGoRiceParam = 0;
uint32_t uiBlkPos, uiPosY, uiPosX, uiSig, uiCtxSig;
int8_t beValid = ENABLE_SIGN_HIDING;
/* if !intra, scanMode = SCAN_DIAG */
/* CONSTANTS */
const uint32_t uiNumBlkSide = width >> shift;
@ -1315,9 +1321,6 @@ void encode_CoeffNxN(encoder_control* encoder,int16_t* coeff, uint8_t width, uin
last_coeff_y = posLast>> uiLog2BlockSize;
/* Code last_coeff_x and last_coeff_y */
#ifdef _DEBUG
// printf("lastSignificantXY: %i, %i\r\n",last_coeff_x,last_coeff_y);
#endif
encode_lastSignificantXY(encoder,last_coeff_x, last_coeff_y, width, width, type, 0);
iScanPosSig = scanPosLast;

2
src/encoder.h
View file

@ -74,7 +74,7 @@ int32_t encode_transform_tree(encoder_control* encoder,uint8_t *base, uint8_t *b
int16_t *coeff, int16_t *coeffU, int16_t *coeffV,
uint8_t depth, int8_t* split);
void encode_transform_coeff(encoder_control* encoder, int16_t *coeff, int16_t *coeffU, int16_t *coeffV,
int8_t CbY, int8_t CbU, int8_t CbV,int8_t width, int8_t intraPredMode, int8_t intraPredModeChroma, int8_t toplevel);
int32_t CbY, int32_t CbU, int32_t CbV,int8_t depth, int8_t intraPredMode, int8_t intraPredModeChroma, int8_t split, int8_t toplevel);
void init_tables(void);
static uint32_t* g_auiSigLastScan[3][7];