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https://github.com/ultravideo/uvg266.git
synced 2024-11-27 19:24:06 +00:00
Modified residual coding to allow inter block data (BUGGY!)
This commit is contained in:
Marko Viitanen
parent
9bad984f14
commit
192b077dba
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@ -1100,21 +1100,60 @@ void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, ui
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}
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cabac.ctx = &g_cu_qt_root_cbf_model;
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CABAC_BIN(&cabac, 0, "rqt_root_cbf");
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if(0)
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CABAC_BIN(&cabac, 1, "rqt_root_cbf");
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if(1)
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{
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uint8_t *base = &encoder->in.cur_pic->y_data[xCtb*(LCU_WIDTH>>(MAX_DEPTH)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH))) *encoder->in.width];
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uint8_t *baseU = &encoder->in.cur_pic->u_data[xCtb*(LCU_WIDTH>>(MAX_DEPTH+1)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH+1)))*(encoder->in.width>>1)];
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uint8_t *baseV = &encoder->in.cur_pic->v_data[xCtb*(LCU_WIDTH>>(MAX_DEPTH+1)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH+1)))*(encoder->in.width>>1)];
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uint32_t width = LCU_WIDTH>>depth;
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/* INTRAPREDICTION VARIABLES */
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int16_t pred[LCU_WIDTH*LCU_WIDTH+1];
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int16_t predU[LCU_WIDTH*LCU_WIDTH>>2];
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int16_t predV[LCU_WIDTH*LCU_WIDTH>>2];
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uint8_t *recbase = &encoder->in.cur_pic->y_recdata[xCtb*(LCU_WIDTH>>(MAX_DEPTH)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH))) *encoder->in.width];
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uint8_t *recbaseU = &encoder->in.cur_pic->u_recdata[xCtb*(LCU_WIDTH>>(MAX_DEPTH+1)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH+1)))*(encoder->in.width>>1)];
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uint8_t *recbaseV = &encoder->in.cur_pic->v_recdata[xCtb*(LCU_WIDTH>>(MAX_DEPTH+1)) + (yCtb*(LCU_WIDTH>>(MAX_DEPTH+1)))*(encoder->in.width>>1)];
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/* TODO: dynamic memory allocation */
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int16_t coeff[LCU_WIDTH*LCU_WIDTH*2];
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int16_t coeffU[LCU_WIDTH*LCU_WIDTH>>1];
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int16_t coeffV[LCU_WIDTH*LCU_WIDTH>>1];
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/* Initialize helper structure for transform */
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transform_info ti;
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memset(&ti, 0, sizeof(transform_info));
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ti.x_ctb = xCtb; ti.y_ctb = yCtb;
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/* Coded block pattern */
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ti.cb_top[0] = 0;
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ti.cb_top[1] = 0;
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ti.cb_top[2] = 0;
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ti.split[0] = 0;
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/* Base pointers */
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ti.base = base; ti.base_u = baseU; ti.base_v = baseV;
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ti.base_stride = encoder->in.width;
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/* Code (possible) coeffs to bitstream */
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// Prediction pointers
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ti.pred = pred; ti.pred_u = predU; ti.pred_v = predV;
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ti.pred_stride = (LCU_WIDTH>>depth);
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// Reconstruction pointers
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ti.recbase = recbase; ti.recbase_u = recbaseU; ti.recbase_v = recbaseV;
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ti.recbase_stride = encoder->in.width;
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// Coeff pointers
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ti.coeff[0] = coeff; ti.coeff[1] = coeffU; ti.coeff[2] = coeffV;
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ti.block_type = CU_INTER;
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// Handle transforms, quant and reconstruction
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ti.idx = 0;
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encode_transform_tree(encoder,&ti, depth);
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// Coded block pattern
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ti.cb_top[0] = (ti.cb[0] & 0x1 || ti.cb[1] & 0x1 || ti.cb[2] & 0x1 || ti.cb[3] & 0x1)?1:0;
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ti.cb_top[1] = (ti.cb[0] & 0x2 || ti.cb[1] & 0x2 || ti.cb[2] & 0x2 || ti.cb[3] & 0x2)?1:0;
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ti.cb_top[2] = (ti.cb[0] & 0x4 || ti.cb[1] & 0x4 || ti.cb[2] & 0x4 || ti.cb[3] & 0x4)?1:0;
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// Code (possible) coeffs to bitstream
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ti.idx = 0;
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encode_transform_coeff(encoder, &ti,depth, 0);
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}
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@ -1291,6 +1330,7 @@ void encode_coding_tree(encoder_control* encoder,uint16_t xCtb,uint16_t yCtb, ui
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/* Handle transforms, quant and reconstruction */
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ti.idx = 0;
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ti.block_type = CU_INTRA;
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encode_transform_tree(encoder,&ti, depth);
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/* Coded block pattern */
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@ -1432,7 +1472,8 @@ void encode_transform_tree(encoder_control* encoder,transform_info* ti,uint8_t d
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int16_t *recShiftU = &rec[(LCU_WIDTH>>(depth+1))*2+8+1];
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uint32_t ac_sum = 0;
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if(ti->block_type == CU_INTRA)
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{
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/* Build reconstructed block to use in prediction with extrapolated borders */
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intra_build_reference_border(encoder->in.cur_pic, ti->x_ctb, ti->y_ctb,(LCU_WIDTH>>(depth))*2+8, rec, (LCU_WIDTH>>(depth))*2+8, 0);
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intra_recon(recShift,(LCU_WIDTH>>(depth))*2+8,ti->x_ctb*(LCU_WIDTH>>(MAX_DEPTH)),ti->y_ctb*(LCU_WIDTH>>(MAX_DEPTH)),width,pred,pred_stride,ti->intra_pred_mode,0);
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@ -1453,7 +1494,20 @@ void encode_transform_tree(encoder_control* encoder,transform_info* ti,uint8_t d
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/* This affects reconstruction, do after that */
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picture_set_block_coded(encoder->in.cur_pic, ti->x_ctb, ti->y_ctb, depth, 1);
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} else { // Inter mode
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for(y = 0; y < LCU_WIDTH>>depth; y++) {
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for(x = 0; x < LCU_WIDTH>>depth; x++) {
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pred[x+y*pred_stride]=recbase[x+y*base_stride];
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}
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}
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for(y = 0; y < LCU_WIDTH>>(depth+1); y++) {
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for(x = 0; x < LCU_WIDTH>>(depth+1); x++) {
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predU[x+y*(pred_stride>>1)]=recbaseU[x+y*(base_stride>>1)];
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predV[x+y*(pred_stride>>1)]=recbaseV[x+y*(base_stride>>1)];
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}
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}
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}
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/* INTRA PREDICTION ENDS HERE */
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/* Get residual by subtracting prediction */
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@ -1637,7 +1691,7 @@ void encode_transform_tree(encoder_control* encoder,transform_info* ti,uint8_t d
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void encode_transform_coeff(encoder_control* encoder,transform_info* ti,int8_t depth, int8_t trDepth)
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{
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int8_t width = LCU_WIDTH>>depth;
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int8_t split = (ti->split[ti->idx]&(1<<depth))?1:0;
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int8_t split = ((ti->split[ti->idx]&(1<<depth))||!depth)?1:0;
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int8_t CbY,CbU,CbV;
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int32_t coeff_fourth = ((LCU_WIDTH>>(depth))*(LCU_WIDTH>>(depth)))+1;
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@ -1680,9 +1734,11 @@ void encode_transform_coeff(encoder_control* encoder,transform_info* ti,int8_t d
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CbU = (ti->cb[ti->idx]&0x2)?1:0;
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CbV = (ti->cb[ti->idx]&0x4)?1:0;
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/* Non-zero luma Tcoeffs */
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if(ti->block_type == CU_INTRA || trDepth || CbU || CbV) {
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// Non-zero luma Tcoeffs
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cabac.ctx = &g_qt_cbf_model_luma[trDepth?0:1];
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CABAC_BIN(&cabac,CbY,"cbf_luma");
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}
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{
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uint32_t uiCTXIdx;
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@ -1703,30 +1759,36 @@ void encode_transform_coeff(encoder_control* encoder,transform_info* ti,int8_t d
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/* Residual Coding */
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if(CbY)
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{
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if(ti->block_type == CU_INTER) {
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uiScanIdx = SCAN_DIAG;
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} else {
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/* Luma (Intra) scanmode */
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uiDirMode = ti->intra_pred_mode;
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if (uiCTXIdx >3 && uiCTXIdx < 6) //if multiple scans supported for transform size
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{
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if (uiCTXIdx >3 && uiCTXIdx < 6) { //if multiple scans supported for transform size
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uiScanIdx = abs((int32_t) uiDirMode - 26) < 5 ? 1 : (abs((int32_t)uiDirMode - 10) < 5 ? 2 : 0);
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}
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}
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encode_CoeffNxN(encoder,&ti->coeff[0][ti->idx*coeff_fourth], width, 0, uiScanIdx);
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}
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if(CbU||CbV)
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{
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int8_t chromaWidth = width>>1;
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if(ti->block_type == CU_INTER) {
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uiScanIdx = SCAN_DIAG;
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} else {
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/* Chroma scanmode */
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uiCTXIdx++;
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uiDirMode = ti->intra_pred_mode_chroma;
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if(uiDirMode==36)
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{
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if(uiDirMode==36) {
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/* TODO: support NxN */
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uiDirMode = ti->intra_pred_mode;
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}
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uiScanIdx = SCAN_DIAG;
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if (uiCTXIdx >4 && uiCTXIdx < 7) //if multiple scans supported for transform size
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{
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if (uiCTXIdx >4 && uiCTXIdx < 7) { //if multiple scans supported for transform size
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uiScanIdx = abs((int32_t) uiDirMode - 26) < 5 ? 1 : (abs((int32_t)uiDirMode - 10) < 5 ? 2 : 0);
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}
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}
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if(CbU)
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{
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@ -1734,7 +1796,7 @@ void encode_transform_coeff(encoder_control* encoder,transform_info* ti,int8_t d
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}
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if(CbV)
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{
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encode_CoeffNxN(encoder,&ti->coeff[2][ti->idx*coeff_fourth>>1], chromaWidth, 2, uiScanIdx);
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encode_CoeffNxN(encoder,&ti->coeff[2][ti->idx*coeff_fourth>>1], chromaWidth, 3, uiScanIdx);
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}
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}
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}
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@ -94,6 +94,8 @@ typedef struct
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int8_t intra_pred_mode_chroma;
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int32_t split[4];
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int8_t block_type;
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int32_t x_ctb,y_ctb;
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} transform_info;
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