w, h);
}
-/* Like vp9_build_inter_predictor, but takes the full-pel part of the
- * mv separately, and the fractional part as a q4.
- */
void vp9_build_inter_predictor_q4(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const int_mv *mv_q4,
#if !CONFIG_IMPLICIT_COMPOUNDINTER_WEIGHT
// TODO(jkoleszar): yet another mv clamping function :-(
MV clamp_mv_to_umv_border_sb(const MV *src_mv,
- int bwl, int bhl,
+ int bwl, int bhl, int ss_x, int ss_y,
int mb_to_left_edge, int mb_to_top_edge,
int mb_to_right_edge, int mb_to_bottom_edge) {
/* If the MV points so far into the UMV border that no visible pixels
* are used for reconstruction, the subpel part of the MV can be
* discarded and the MV limited to 16 pixels with equivalent results.
*/
- const int epel_left = (VP9_INTERP_EXTEND + (4 << bwl)) << 3;
- const int epel_right = epel_left - (1 << 3);
- const int epel_top = (VP9_INTERP_EXTEND + (4 << bhl)) << 3;
- const int epel_bottom = epel_top - (1 << 3);
+ const int spel_left = (VP9_INTERP_EXTEND + (4 << bwl)) << 4;
+ const int spel_right = spel_left - (1 << 4);
+ const int spel_top = (VP9_INTERP_EXTEND + (4 << bhl)) << 4;
+ const int spel_bottom = spel_top - (1 << 4);
MV clamped_mv;
- clamped_mv.col = clamp(src_mv->col,
- mb_to_left_edge - epel_left,
- mb_to_right_edge + epel_right);
- clamped_mv.row = clamp(src_mv->row,
- mb_to_top_edge - epel_top,
- mb_to_bottom_edge + epel_bottom);
+
+ assert(ss_x <= 1);
+ assert(ss_y <= 1);
+ clamped_mv.col = clamp(src_mv->col << (1 - ss_x),
+ (mb_to_left_edge << (1 - ss_x)) - spel_left,
+ (mb_to_right_edge << (1 - ss_x)) + spel_right);
+ clamped_mv.row = clamp(src_mv->row << (1 - ss_y),
+ (mb_to_top_edge << (1 - ss_y)) - spel_top,
+ (mb_to_bottom_edge << (1 - ss_y)) + spel_bottom);
return clamped_mv;
}
struct build_inter_predictors_args {
MACROBLOCKD *xd;
- uint8_t* dst[MAX_MB_PLANE];
- int dst_stride[MAX_MB_PLANE];
int x;
int y;
+ uint8_t* dst[MAX_MB_PLANE];
+ int dst_stride[MAX_MB_PLANE];
+ uint8_t* pre[2][MAX_MB_PLANE];
+ int pre_stride[2][MAX_MB_PLANE];
};
static void build_inter_predictors(int plane, int block,
BLOCK_SIZE_TYPE bsize,
const MV* const mv = (xd->mode_info_context->mbmi.mode == SPLITMV)
? &xd->block[block].bmi.as_mv[which_mv].as_mv
: &xd->mode_info_context->mbmi.mv[which_mv].as_mv;
-
- const uint8_t * const base_pre = which_mv ? xd->second_pre.y_buffer
- : xd->pre.y_buffer;
- const int pre_stride = which_mv ? xd->second_pre.y_stride
- : xd->pre.y_stride;
+ const uint8_t * const base_pre = arg->pre[which_mv][plane];
+ const int pre_stride = arg->pre_stride[which_mv][plane];
const uint8_t *const pre = base_pre +
scaled_buffer_offset(x, y, pre_stride, &xd->scale_factor[which_mv]);
struct scale_factors * const scale =
plane == 0 ? &xd->scale_factor[which_mv] : &xd->scale_factor_uv[which_mv];
int_mv clamped_mv;
+
+ /* TODO(jkoleszar): This clamping is done in the incorrect place for the
+ * scaling case. It needs to be done on the scaled MV, not the pre-scaling
+ * MV. Note however that it performs the subsampling aware scaling so
+ * that the result is always q4.
+ */
clamped_mv.as_mv = clamp_mv_to_umv_border_sb(mv, bwl, bhl,
+ xd->plane[plane].subsampling_x,
+ xd->plane[plane].subsampling_y,
xd->mb_to_left_edge,
xd->mb_to_top_edge,
xd->mb_to_right_edge,
scale->set_scaled_offsets(scale, arg->y + y, arg->x + x);
- vp9_build_inter_predictor(pre, pre_stride,
- arg->dst[plane], arg->dst_stride[plane],
- &clamped_mv, &xd->scale_factor[which_mv],
- bw, bh, which_mv, &xd->subpix);
+ vp9_build_inter_predictor_q4(pre, pre_stride,
+ arg->dst[plane], arg->dst_stride[plane],
+ &clamped_mv, &xd->scale_factor[which_mv],
+ bw, bh, which_mv, &xd->subpix);
}
}
void vp9_build_inter_predictors_sby(MACROBLOCKD *xd,
int mb_col,
BLOCK_SIZE_TYPE bsize) {
struct build_inter_predictors_args args = {
- xd, {dst_y, NULL, NULL}, {dst_ystride, 0, 0}, mb_col * 16, mb_row * 16
+ xd, mb_col * 16, mb_row * 16,
+ {dst_y, NULL, NULL}, {dst_ystride, 0, 0},
+ {{xd->pre.y_buffer, NULL, NULL}, {xd->second_pre.y_buffer, NULL, NULL}},
+ {{xd->pre.y_stride, 0, 0}, {xd->second_pre.y_stride, 0, 0}},
};
foreach_predicted_block_in_plane(xd, bsize, 0, build_inter_predictors, &args);
}
+void vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd,
+ uint8_t *dst_u,
+ uint8_t *dst_v,
+ int dst_uvstride,
+ int mb_row,
+ int mb_col,
+ BLOCK_SIZE_TYPE bsize) {
+ struct build_inter_predictors_args args = {
+ xd, mb_col * 16, mb_row * 16,
+ {NULL, dst_u, dst_v}, {0, dst_uvstride, dst_uvstride},
+ {{NULL, xd->pre.u_buffer, xd->pre.v_buffer},
+ {NULL, xd->second_pre.u_buffer, xd->second_pre.v_buffer}},
+ {{0, xd->pre.uv_stride, xd->pre.uv_stride},
+ {0, xd->second_pre.uv_stride, xd->second_pre.uv_stride}},
+ };
+ foreach_predicted_block_uv(xd, bsize, build_inter_predictors, &args);
+}
#endif
#define AVERAGE_WEIGHT (1 << (2 * CONFIG_IMPLICIT_COMPOUNDINTER_WEIGHT))
scale, 8, 8, which_mv ? weight : 0, &xd->subpix);
}
}
-
-void vp9_build_inter16x16_predictors_mbuv(MACROBLOCKD *xd,
- uint8_t *dst_u,
- uint8_t *dst_v,
- int dst_uvstride,
- int mb_row,
- int mb_col) {
-#ifdef USE_IMPLICIT_WEIGHT_UV
- int weight = get_implicit_compoundinter_weight(xd, mb_row, mb_col);
-#else
- int weight = AVERAGE_WEIGHT;
-#endif
- build_inter16x16_predictors_mbuv_w(xd, dst_u, dst_v, dst_uvstride,
- weight, mb_row, mb_col);
-}
-
-#else
-
-void vp9_build_inter16x16_predictors_mbuv(MACROBLOCKD *xd,
- uint8_t *dst_u,
- uint8_t *dst_v,
- int dst_uvstride,
- int mb_row,
- int mb_col) {
- const int use_second_ref = xd->mode_info_context->mbmi.second_ref_frame > 0;
- int which_mv;
-
- for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) {
- const int clamp_mvs =
- which_mv ? xd->mode_info_context->mbmi.need_to_clamp_secondmv
- : xd->mode_info_context->mbmi.need_to_clamp_mvs;
- uint8_t *uptr, *vptr;
- int pre_stride = which_mv ? xd->second_pre.uv_stride
- : xd->pre.uv_stride;
- int_mv mv;
-
- struct scale_factors *scale = &xd->scale_factor_uv[which_mv];
- mv.as_int = xd->mode_info_context->mbmi.mv[which_mv].as_int;
-
-
- if (clamp_mvs)
- clamp_mv_to_umv_border(&mv.as_mv, xd);
-
- uptr = (which_mv ? xd->second_pre.u_buffer : xd->pre.u_buffer);
- vptr = (which_mv ? xd->second_pre.v_buffer : xd->pre.v_buffer);
-
- scale->set_scaled_offsets(scale, mb_row * 16, mb_col * 16);
-
- vp9_build_inter_predictor_q4(
- uptr, pre_stride, dst_u, dst_uvstride, &mv,
- scale, 8, 8,
- which_mv << (2 * CONFIG_IMPLICIT_COMPOUNDINTER_WEIGHT), &xd->subpix);
-
- vp9_build_inter_predictor_q4(
- vptr, pre_stride, dst_v, dst_uvstride, &mv,
- scale, 8, 8,
- which_mv << (2 * CONFIG_IMPLICIT_COMPOUNDINTER_WEIGHT), &xd->subpix);
- }
-}
#endif
#if CONFIG_IMPLICIT_COMPOUNDINTER_WEIGHT
build_inter_predictors_sbuv_w(xd, dst_u, dst_v, dst_uvstride,
weight, mb_row, mb_col, bsize);
}
-
-#else
-
-void vp9_build_inter_predictors_sbuv(MACROBLOCKD *x,
- uint8_t *dst_u,
- uint8_t *dst_v,
- int dst_uvstride,
- int mb_row,
- int mb_col,
- BLOCK_SIZE_TYPE bsize) {
- const int bwl = mb_width_log2(bsize), bw = 1 << bwl;
- const int bhl = mb_height_log2(bsize), bh = 1 << bhl;
- uint8_t *u1 = x->pre.u_buffer, *v1 = x->pre.v_buffer;
- uint8_t *u2 = x->second_pre.u_buffer, *v2 = x->second_pre.v_buffer;
- int edge[4], n;
-
- edge[0] = x->mb_to_top_edge;
- edge[1] = x->mb_to_bottom_edge;
- edge[2] = x->mb_to_left_edge;
- edge[3] = x->mb_to_right_edge;
-
- for (n = 0; n < bw * bh; n++) {
- int scaled_uv_offset;
- const int x_idx = n & (bw - 1), y_idx = n >> bwl;
-
- x->mb_to_top_edge = edge[0] - ((y_idx * 16) << 3);
- x->mb_to_bottom_edge = edge[1] + (((bh - 1 - y_idx) * 16) << 3);
- x->mb_to_left_edge = edge[2] - ((x_idx * 16) << 3);
- x->mb_to_right_edge = edge[3] + (((bw - 1 - x_idx) * 16) << 3);
-
- scaled_uv_offset = scaled_buffer_offset(x_idx * 8,
- y_idx * 8,
- x->pre.uv_stride,
- &x->scale_factor_uv[0]);
- x->pre.u_buffer = u1 + scaled_uv_offset;
- x->pre.v_buffer = v1 + scaled_uv_offset;
-
- if (x->mode_info_context->mbmi.second_ref_frame > 0) {
- scaled_uv_offset = scaled_buffer_offset(x_idx * 8,
- y_idx * 8,
- x->second_pre.uv_stride,
- &x->scale_factor_uv[1]);
- x->second_pre.u_buffer = u2 + scaled_uv_offset;
- x->second_pre.v_buffer = v2 + scaled_uv_offset;
- }
-
- vp9_build_inter16x16_predictors_mbuv(x,
- dst_u + y_idx * 8 * dst_uvstride + x_idx * 8,
- dst_v + y_idx * 8 * dst_uvstride + x_idx * 8,
- dst_uvstride, mb_row + y_idx, mb_col + x_idx);
- }
- x->mb_to_top_edge = edge[0];
- x->mb_to_bottom_edge = edge[1];
- x->mb_to_left_edge = edge[2];
- x->mb_to_right_edge = edge[3];
-
- x->pre.u_buffer = u1;
- x->pre.v_buffer = v1;
-
- if (x->mode_info_context->mbmi.second_ref_frame > 0) {
- x->second_pre.u_buffer = u2;
- x->second_pre.v_buffer = v2;
- }
-}
#endif
void vp9_build_inter_predictors_sb(MACROBLOCKD *mb,
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