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Supports inter-intra prediction with superblocks 

Adds support for compound inter-intra prediction with superblocks.
Also, fixes a bug that disabled intra modes for superblocks.

Change-Id: I4d711317e1bc19df8c2f32dc645429f7fff31036
This commit is contained in:
Deb Mukherjee 2012-11-30 11:46:20 -08:00
Родитель 6632330702
Коммит 8b92f1e023
4 изменённых файлов: 121 добавлений и 9 удалений
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7
vp9/common/vp9_reconinter.c
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@ -773,6 +773,13 @@ void vp9_build_inter32x32_predictors_sb(MACROBLOCKD *x,
x->second_pre.u_buffer = u2;
x->second_pre.v_buffer = v2;
}
#if CONFIG_COMP_INTERINTRA_PRED
if (x->mode_info_context->mbmi.second_ref_frame == INTRA_FRAME) {
vp9_build_interintra_32x32_predictors_sb(
x, dst_y, dst_u, dst_v, dst_ystride, dst_uvstride);
}
#endif
}
#endif

47
vp9/common/vp9_reconintra.c
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@ -655,6 +655,53 @@ void vp9_build_interintra_16x16_predictors_mbuv(MACROBLOCKD *xd,
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
vpred, uvstride, vintrapredictor, 8, 8);
}
#if CONFIG_SUPERBLOCKS
void vp9_build_interintra_32x32_predictors_sby(MACROBLOCKD *xd,
unsigned char *ypred,
int ystride) {
unsigned char intrapredictor[1024];
vp9_build_intra_predictors_internal(
xd->dst.y_buffer, xd->dst.y_stride,
intrapredictor, 32,
xd->mode_info_context->mbmi.interintra_mode, 32,
xd->up_available, xd->left_available);
combine_interintra(xd->mode_info_context->mbmi.interintra_mode,
ypred, ystride, intrapredictor, 32, 32);
}
void vp9_build_interintra_32x32_predictors_sbuv(MACROBLOCKD *xd,
unsigned char *upred,
unsigned char *vpred,
int uvstride) {
unsigned char uintrapredictor[256];
unsigned char vintrapredictor[256];
vp9_build_intra_predictors_internal(
xd->dst.u_buffer, xd->dst.uv_stride,
uintrapredictor, 16,
xd->mode_info_context->mbmi.interintra_uv_mode, 16,
xd->up_available, xd->left_available);
vp9_build_intra_predictors_internal(
xd->dst.v_buffer, xd->dst.uv_stride,
vintrapredictor, 16,
xd->mode_info_context->mbmi.interintra_uv_mode, 16,
xd->up_available, xd->left_available);
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
upred, uvstride, uintrapredictor, 16, 16);
combine_interintra(xd->mode_info_context->mbmi.interintra_uv_mode,
vpred, uvstride, vintrapredictor, 16, 16);
}
void vp9_build_interintra_32x32_predictors_sb(MACROBLOCKD *xd,
unsigned char *ypred,
unsigned char *upred,
unsigned char *vpred,
int ystride,
int uvstride) {
vp9_build_interintra_32x32_predictors_sby(xd, ypred, ystride);
vp9_build_interintra_32x32_predictors_sbuv(xd, upred, vpred, uvstride);
}
#endif
#endif
void vp9_build_intra_predictors_mby(MACROBLOCKD *xd) {

8
vp9/common/vp9_reconintra.h
Просмотреть файл

@ -31,6 +31,14 @@ extern void vp9_build_interintra_16x16_predictors_mbuv(MACROBLOCKD *xd,
unsigned char *upred,
unsigned char *vpred,
int uvstride);
#if CONFIG_SUPERBLOCKS
extern void vp9_build_interintra_32x32_predictors_sb(MACROBLOCKD *xd,
unsigned char *ypred,
unsigned char *upred,
unsigned char *vpred,
int ystride,
int uvstride);
#endif
#endif
#endif // __INC_RECONINTRA_H

68
vp9/encoder/vp9_rdopt.c
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@ -4356,6 +4356,7 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
int64_t best_intra16_rd = INT64_MAX;
int best_intra16_mode = DC_PRED, best_intra16_uv_mode = DC_PRED;
#endif
int64_t best_overall_rd = INT64_MAX;
int rate_uv_4x4 = 0, rate_uv_8x8 = 0, rate_uv_tokenonly_4x4 = 0,
rate_uv_tokenonly_8x8 = 0;
int dist_uv_4x4 = 0, dist_uv_8x8 = 0, uv_skip_4x4 = 0, uv_skip_8x8 = 0;
@ -4425,12 +4426,17 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
continue;
}
mbmi->ref_frame = ref_frame;
comp_pred = vp9_mode_order[mode_index].second_ref_frame > INTRA_FRAME;
mbmi->second_ref_frame = vp9_mode_order[mode_index].second_ref_frame;
comp_pred = mbmi->second_ref_frame > INTRA_FRAME;
mbmi->mode = this_mode;
mbmi->uv_mode = DC_PRED;
#if CONFIG_COMP_INTRA_PRED
mbmi->second_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
mbmi->second_uv_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
#endif
#if CONFIG_COMP_INTERINTRA_PRED
mbmi->interintra_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
mbmi->interintra_uv_mode = (MB_PREDICTION_MODE)(DC_PRED - 1);
#endif
if (cpi->common.mcomp_filter_type == SWITCHABLE &&
this_mode >= NEARESTMV && this_mode <= SPLITMV) {
@ -4443,13 +4449,13 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
}
vp9_setup_interp_filters(xd, mbmi->interp_filter, &cpi->common);
if (!(cpi->ref_frame_flags & flag_list[ref_frame]))
continue;
// if (!(cpi->ref_frame_flags & flag_list[ref_frame]))
// continue;
// TODO(debargha): intra/inter encoding at SB level
if (this_mode == I8X8_PRED || this_mode == B_PRED || this_mode == SPLITMV ||
vp9_mode_order[mode_index].second_ref_frame == INTRA_FRAME)
if (this_mode == I8X8_PRED || this_mode == B_PRED || this_mode == SPLITMV)
continue;
// if (vp9_mode_order[mode_index].second_ref_frame == INTRA_FRAME)
// continue;
if (comp_pred) {
int second_ref;
@ -4468,9 +4474,15 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
xd->second_pre.v_buffer = v_buffer[second_ref];
mode_excluded = cm->comp_pred_mode == SINGLE_PREDICTION_ONLY;
} else {
mbmi->second_ref_frame = NONE;
if (ref_frame != INTRA_FRAME)
mode_excluded = cm->comp_pred_mode == COMP_PREDICTION_ONLY;
// mbmi->second_ref_frame = vp9_mode_order[mode_index].second_ref_frame;
if (ref_frame != INTRA_FRAME) {
if (mbmi->second_ref_frame != INTRA_FRAME)
mode_excluded = cm->comp_pred_mode == COMP_PREDICTION_ONLY;
#if CONFIG_COMP_INTERINTRA_PRED
else
mode_excluded = !cm->use_interintra;
#endif
}
}
xd->pre.y_buffer = y_buffer[ref_frame];
@ -4522,6 +4534,17 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
rate2 = rate_y + x->mbmode_cost[cm->frame_type][mbmi->mode] + rate_uv;
distortion2 = distortion_y + distortion_uv;
} else {
#if CONFIG_COMP_INTERINTRA_PRED
if (mbmi->second_ref_frame == INTRA_FRAME) {
if (best_intra16_mode == DC_PRED - 1) continue;
mbmi->interintra_mode = best_intra16_mode;
#if SEPARATE_INTERINTRA_UV
mbmi->interintra_uv_mode = best_intra16_uv_mode;
#else
mbmi->interintra_uv_mode = best_intra16_mode;
#endif
}
#endif
this_rd = handle_inter_mode(cpi, x, BLOCK_32X32,
&saddone, near_sadidx, mdcounts, txfm_cache,
&rate2, &distortion2, &skippable,
@ -4538,6 +4561,11 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
continue;
}
#if CONFIG_COMP_INTERINTRA_PRED
if (cpi->common.use_interintra) {
rate2 += compmode_interintra_cost;
}
#endif
if (cpi->common.comp_pred_mode == HYBRID_PREDICTION) {
rate2 += compmode_cost;
}
@ -4600,11 +4628,28 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
*returnintra = distortion2;
}
#endif
#if CONFIG_COMP_INTERINTRA_PRED
if ((mbmi->ref_frame == INTRA_FRAME) &&
(this_mode <= TM_PRED) &&
(this_rd < best_intra16_rd)) {
best_intra16_rd = this_rd;
best_intra16_mode = this_mode;
best_intra16_uv_mode = (mbmi->txfm_size != TX_4X4 ?
mode_uv_8x8 : mode_uv_4x4);
}
#endif
if (!disable_skip && mbmi->ref_frame == INTRA_FRAME)
for (i = 0; i < NB_PREDICTION_TYPES; ++i)
best_pred_rd[i] = MIN(best_pred_rd[i], this_rd);
if (this_rd < best_overall_rd) {
best_overall_rd = this_rd;
#if CONFIG_COMP_INTERINTRA_PRED
is_best_interintra = (mbmi->second_ref_frame == INTRA_FRAME);
#endif
}
// Did this mode help.. i.e. is it the new best mode
if (this_rd < best_rd || x->skip) {
if (!mode_excluded) {
@ -4689,6 +4734,11 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
break;
}
#if CONFIG_COMP_INTERINTRA_PRED
++cpi->interintra_select_count[is_best_interintra];
// if (is_best_interintra) printf("best_interintra\n");
#endif
// TODO(rbultje) integrate with RD thresholding
#if 0
// Reduce the activation RD thresholds for the best choice mode