| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include <assert.h> |
| |
| #include "./vpx_config.h" |
| #include "vpx/vpx_integer.h" |
| #include "vp9/common/vp9_blockd.h" |
| #include "vp9/common/vp9_filter.h" |
| #include "vp9/common/vp9_reconinter.h" |
| #include "vp9/common/vp9_reconintra.h" |
| |
| void vp9_setup_scale_factors_for_frame(struct scale_factors *scale, |
| YV12_BUFFER_CONFIG *other, |
| int this_w, int this_h) { |
| int other_h = other->y_crop_height; |
| int other_w = other->y_crop_width; |
| |
| scale->x_num = other_w; |
| scale->x_den = this_w; |
| scale->x_offset_q4 = 0; // calculated per-mb |
| scale->x_step_q4 = 16 * other_w / this_w; |
| |
| scale->y_num = other_h; |
| scale->y_den = this_h; |
| scale->y_offset_q4 = 0; // calculated per-mb |
| scale->y_step_q4 = 16 * other_h / this_h; |
| |
| // TODO(agrange): Investigate the best choice of functions to use here |
| // for EIGHTTAP_SMOOTH. Since it is not interpolating, need to choose what |
| // to do at full-pel offsets. The current selection, where the filter is |
| // applied in one direction only, and not at all for 0,0, seems to give the |
| // best quality, but it may be worth trying an additional mode that does |
| // do the filtering on full-pel. |
| if (scale->x_step_q4 == 16) { |
| if (scale->y_step_q4 == 16) { |
| // No scaling in either direction. |
| scale->predict[0][0][0] = vp9_convolve_copy; |
| scale->predict[0][0][1] = vp9_convolve_avg; |
| scale->predict[0][1][0] = vp9_convolve8_vert; |
| scale->predict[0][1][1] = vp9_convolve8_avg_vert; |
| scale->predict[1][0][0] = vp9_convolve8_horiz; |
| scale->predict[1][0][1] = vp9_convolve8_avg_horiz; |
| } else { |
| // No scaling in x direction. Must always scale in the y direction. |
| scale->predict[0][0][0] = vp9_convolve8_vert; |
| scale->predict[0][0][1] = vp9_convolve8_avg_vert; |
| scale->predict[0][1][0] = vp9_convolve8_vert; |
| scale->predict[0][1][1] = vp9_convolve8_avg_vert; |
| scale->predict[1][0][0] = vp9_convolve8; |
| scale->predict[1][0][1] = vp9_convolve8_avg; |
| } |
| } else { |
| if (scale->y_step_q4 == 16) { |
| // No scaling in the y direction. Must always scale in the x direction. |
| scale->predict[0][0][0] = vp9_convolve8_horiz; |
| scale->predict[0][0][1] = vp9_convolve8_avg_horiz; |
| scale->predict[0][1][0] = vp9_convolve8; |
| scale->predict[0][1][1] = vp9_convolve8_avg; |
| scale->predict[1][0][0] = vp9_convolve8_horiz; |
| scale->predict[1][0][1] = vp9_convolve8_avg_horiz; |
| } else { |
| // Must always scale in both directions. |
| scale->predict[0][0][0] = vp9_convolve8; |
| scale->predict[0][0][1] = vp9_convolve8_avg; |
| scale->predict[0][1][0] = vp9_convolve8; |
| scale->predict[0][1][1] = vp9_convolve8_avg; |
| scale->predict[1][0][0] = vp9_convolve8; |
| scale->predict[1][0][1] = vp9_convolve8_avg; |
| } |
| } |
| // 2D subpel motion always gets filtered in both directions |
| scale->predict[1][1][0] = vp9_convolve8; |
| scale->predict[1][1][1] = vp9_convolve8_avg; |
| } |
| |
| void vp9_setup_interp_filters(MACROBLOCKD *xd, |
| INTERPOLATIONFILTERTYPE mcomp_filter_type, |
| VP9_COMMON *cm) { |
| int i; |
| |
| /* Calculate scaling factors for each of the 3 available references */ |
| for (i = 0; i < 3; ++i) { |
| if (cm->active_ref_idx[i] >= NUM_YV12_BUFFERS) { |
| memset(&cm->active_ref_scale[i], 0, sizeof(cm->active_ref_scale[i])); |
| continue; |
| } |
| |
| vp9_setup_scale_factors_for_frame(&cm->active_ref_scale[i], |
| &cm->yv12_fb[cm->active_ref_idx[i]], |
| cm->width, cm->height); |
| } |
| |
| if (xd->mode_info_context) { |
| MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi; |
| |
| set_scale_factors(xd, |
| mbmi->ref_frame - 1, |
| mbmi->second_ref_frame - 1, |
| cm->active_ref_scale); |
| } |
| |
| |
| switch (mcomp_filter_type) { |
| case EIGHTTAP: |
| case SWITCHABLE: |
| xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_8; |
| break; |
| case EIGHTTAP_SMOOTH: |
| xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_8lp; |
| break; |
| case EIGHTTAP_SHARP: |
| xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_8s; |
| break; |
| case BILINEAR: |
| xd->subpix.filter_x = xd->subpix.filter_y = vp9_bilinear_filters; |
| break; |
| #if CONFIG_ENABLE_6TAP |
| case SIXTAP: |
| xd->subpix.filter_x = xd->subpix.filter_y = vp9_sub_pel_filters_6; |
| break; |
| #endif |
| } |
| assert(((intptr_t)xd->subpix.filter_x & 0xff) == 0); |
| } |
| |
| void vp9_copy_mem16x16_c(const uint8_t *src, |
| int src_stride, |
| uint8_t *dst, |
| int dst_stride) { |
| int r; |
| |
| for (r = 0; r < 16; r++) { |
| #if !(CONFIG_FAST_UNALIGNED) |
| dst[0] = src[0]; |
| dst[1] = src[1]; |
| dst[2] = src[2]; |
| dst[3] = src[3]; |
| dst[4] = src[4]; |
| dst[5] = src[5]; |
| dst[6] = src[6]; |
| dst[7] = src[7]; |
| dst[8] = src[8]; |
| dst[9] = src[9]; |
| dst[10] = src[10]; |
| dst[11] = src[11]; |
| dst[12] = src[12]; |
| dst[13] = src[13]; |
| dst[14] = src[14]; |
| dst[15] = src[15]; |
| |
| #else |
| ((uint32_t *)dst)[0] = ((const uint32_t *)src)[0]; |
| ((uint32_t *)dst)[1] = ((const uint32_t *)src)[1]; |
| ((uint32_t *)dst)[2] = ((const uint32_t *)src)[2]; |
| ((uint32_t *)dst)[3] = ((const uint32_t *)src)[3]; |
| |
| #endif |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| void vp9_copy_mem8x8_c(const uint8_t *src, |
| int src_stride, |
| uint8_t *dst, |
| int dst_stride) { |
| int r; |
| |
| for (r = 0; r < 8; r++) { |
| #if !(CONFIG_FAST_UNALIGNED) |
| dst[0] = src[0]; |
| dst[1] = src[1]; |
| dst[2] = src[2]; |
| dst[3] = src[3]; |
| dst[4] = src[4]; |
| dst[5] = src[5]; |
| dst[6] = src[6]; |
| dst[7] = src[7]; |
| #else |
| ((uint32_t *)dst)[0] = ((const uint32_t *)src)[0]; |
| ((uint32_t *)dst)[1] = ((const uint32_t *)src)[1]; |
| #endif |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| void vp9_copy_mem8x4_c(const uint8_t *src, |
| int src_stride, |
| uint8_t *dst, |
| int dst_stride) { |
| int r; |
| |
| for (r = 0; r < 4; r++) { |
| #if !(CONFIG_FAST_UNALIGNED) |
| dst[0] = src[0]; |
| dst[1] = src[1]; |
| dst[2] = src[2]; |
| dst[3] = src[3]; |
| dst[4] = src[4]; |
| dst[5] = src[5]; |
| dst[6] = src[6]; |
| dst[7] = src[7]; |
| #else |
| ((uint32_t *)dst)[0] = ((const uint32_t *)src)[0]; |
| ((uint32_t *)dst)[1] = ((const uint32_t *)src)[1]; |
| #endif |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| static void set_scaled_offsets(struct scale_factors *scale, |
| int row, int col) { |
| const int x_q4 = 16 * col; |
| const int y_q4 = 16 * row; |
| |
| scale->x_offset_q4 = (x_q4 * scale->x_num / scale->x_den) & 0xf; |
| scale->y_offset_q4 = (y_q4 * scale->y_num / scale->y_den) & 0xf; |
| } |
| |
| static int32_t scale_motion_vector_component_q3(int mv_q3, |
| int num, |
| int den, |
| int offset_q4) { |
| // returns the scaled and offset value of the mv component. |
| const int32_t mv_q4 = mv_q3 << 1; |
| |
| /* TODO(jkoleszar): make fixed point, or as a second multiply? */ |
| return mv_q4 * num / den + offset_q4; |
| } |
| |
| static int32_t scale_motion_vector_component_q4(int mv_q4, |
| int num, |
| int den, |
| int offset_q4) { |
| // returns the scaled and offset value of the mv component. |
| |
| /* TODO(jkoleszar): make fixed point, or as a second multiply? */ |
| return mv_q4 * num / den + offset_q4; |
| } |
| |
| static int_mv32 scale_motion_vector_q3_to_q4( |
| const int_mv *src_mv, |
| const struct scale_factors *scale) { |
| // returns mv * scale + offset |
| int_mv32 result; |
| |
| result.as_mv.row = scale_motion_vector_component_q3(src_mv->as_mv.row, |
| scale->y_num, |
| scale->y_den, |
| scale->y_offset_q4); |
| result.as_mv.col = scale_motion_vector_component_q3(src_mv->as_mv.col, |
| scale->x_num, |
| scale->x_den, |
| scale->x_offset_q4); |
| return result; |
| } |
| |
| void vp9_build_inter_predictor(const uint8_t *src, int src_stride, |
| uint8_t *dst, int dst_stride, |
| const int_mv *mv_q3, |
| const struct scale_factors *scale, |
| int w, int h, int do_avg, |
| const struct subpix_fn_table *subpix) { |
| int_mv32 mv = scale_motion_vector_q3_to_q4(mv_q3, scale); |
| src += (mv.as_mv.row >> 4) * src_stride + (mv.as_mv.col >> 4); |
| |
| scale->predict[!!(mv.as_mv.col & 15)][!!(mv.as_mv.row & 15)][do_avg]( |
| src, src_stride, dst, dst_stride, |
| subpix->filter_x[mv.as_mv.col & 15], scale->x_step_q4, |
| subpix->filter_y[mv.as_mv.row & 15], scale->y_step_q4, |
| 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 *fullpel_mv_q3, |
| const int_mv *frac_mv_q4, |
| const struct scale_factors *scale, |
| int w, int h, int do_avg, |
| const struct subpix_fn_table *subpix) { |
| const int mv_row_q4 = ((fullpel_mv_q3->as_mv.row >> 3) << 4) |
| + (frac_mv_q4->as_mv.row & 0xf); |
| const int mv_col_q4 = ((fullpel_mv_q3->as_mv.col >> 3) << 4) |
| + (frac_mv_q4->as_mv.col & 0xf); |
| const int scaled_mv_row_q4 = |
| scale_motion_vector_component_q4(mv_row_q4, scale->y_num, scale->y_den, |
| scale->y_offset_q4); |
| const int scaled_mv_col_q4 = |
| scale_motion_vector_component_q4(mv_col_q4, scale->x_num, scale->x_den, |
| scale->x_offset_q4); |
| const int subpel_x = scaled_mv_col_q4 & 15; |
| const int subpel_y = scaled_mv_row_q4 & 15; |
| |
| src += (scaled_mv_row_q4 >> 4) * src_stride + (scaled_mv_col_q4 >> 4); |
| scale->predict[!!subpel_x][!!subpel_y][do_avg]( |
| src, src_stride, dst, dst_stride, |
| subpix->filter_x[subpel_x], scale->x_step_q4, |
| subpix->filter_y[subpel_y], scale->y_step_q4, |
| w, h); |
| } |
| |
| static void build_2x1_inter_predictor(const BLOCKD *d0, const BLOCKD *d1, |
| struct scale_factors *scale, |
| int block_size, int stride, int which_mv, |
| const struct subpix_fn_table *subpix, |
| int row, int col) { |
| assert(d1->predictor - d0->predictor == block_size); |
| assert(d1->pre == d0->pre + block_size); |
| |
| set_scaled_offsets(&scale[which_mv], row, col); |
| |
| if (d0->bmi.as_mv[which_mv].as_int == d1->bmi.as_mv[which_mv].as_int) { |
| uint8_t **base_pre = which_mv ? d0->base_second_pre : d0->base_pre; |
| |
| vp9_build_inter_predictor(*base_pre + d0->pre, |
| d0->pre_stride, |
| d0->predictor, stride, |
| &d0->bmi.as_mv[which_mv], |
| &scale[which_mv], |
| 2 * block_size, block_size, which_mv, |
| subpix); |
| |
| } else { |
| uint8_t **base_pre0 = which_mv ? d0->base_second_pre : d0->base_pre; |
| uint8_t **base_pre1 = which_mv ? d1->base_second_pre : d1->base_pre; |
| |
| vp9_build_inter_predictor(*base_pre0 + d0->pre, |
| d0->pre_stride, |
| d0->predictor, stride, |
| &d0->bmi.as_mv[which_mv], |
| &scale[which_mv], |
| block_size, block_size, which_mv, |
| subpix); |
| |
| set_scaled_offsets(&scale[which_mv], row, col + block_size); |
| |
| vp9_build_inter_predictor(*base_pre1 + d1->pre, |
| d1->pre_stride, |
| d1->predictor, stride, |
| &d1->bmi.as_mv[which_mv], |
| &scale[which_mv], |
| block_size, block_size, which_mv, |
| subpix); |
| } |
| } |
| |
| /*encoder only*/ |
| void vp9_build_inter4x4_predictors_mbuv(MACROBLOCKD *xd, |
| int mb_row, |
| int mb_col) { |
| int i, j; |
| BLOCKD *blockd = xd->block; |
| |
| /* build uv mvs */ |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| int yoffset = i * 8 + j * 2; |
| int uoffset = 16 + i * 2 + j; |
| int voffset = 20 + i * 2 + j; |
| int temp; |
| |
| temp = blockd[yoffset ].bmi.as_mv[0].as_mv.row |
| + blockd[yoffset + 1].bmi.as_mv[0].as_mv.row |
| + blockd[yoffset + 4].bmi.as_mv[0].as_mv.row |
| + blockd[yoffset + 5].bmi.as_mv[0].as_mv.row; |
| |
| if (temp < 0) temp -= 4; |
| else temp += 4; |
| |
| xd->block[uoffset].bmi.as_mv[0].as_mv.row = (temp / 8) & |
| xd->fullpixel_mask; |
| |
| temp = blockd[yoffset ].bmi.as_mv[0].as_mv.col |
| + blockd[yoffset + 1].bmi.as_mv[0].as_mv.col |
| + blockd[yoffset + 4].bmi.as_mv[0].as_mv.col |
| + blockd[yoffset + 5].bmi.as_mv[0].as_mv.col; |
| |
| if (temp < 0) temp -= 4; |
| else temp += 4; |
| |
| blockd[uoffset].bmi.as_mv[0].as_mv.col = (temp / 8) & |
| xd->fullpixel_mask; |
| |
| blockd[voffset].bmi.as_mv[0].as_mv.row = |
| blockd[uoffset].bmi.as_mv[0].as_mv.row; |
| blockd[voffset].bmi.as_mv[0].as_mv.col = |
| blockd[uoffset].bmi.as_mv[0].as_mv.col; |
| |
| if (xd->mode_info_context->mbmi.second_ref_frame > 0) { |
| temp = blockd[yoffset ].bmi.as_mv[1].as_mv.row |
| + blockd[yoffset + 1].bmi.as_mv[1].as_mv.row |
| + blockd[yoffset + 4].bmi.as_mv[1].as_mv.row |
| + blockd[yoffset + 5].bmi.as_mv[1].as_mv.row; |
| |
| if (temp < 0) { |
| temp -= 4; |
| } else { |
| temp += 4; |
| } |
| |
| blockd[uoffset].bmi.as_mv[1].as_mv.row = (temp / 8) & |
| xd->fullpixel_mask; |
| |
| temp = blockd[yoffset ].bmi.as_mv[1].as_mv.col |
| + blockd[yoffset + 1].bmi.as_mv[1].as_mv.col |
| + blockd[yoffset + 4].bmi.as_mv[1].as_mv.col |
| + blockd[yoffset + 5].bmi.as_mv[1].as_mv.col; |
| |
| if (temp < 0) { |
| temp -= 4; |
| } else { |
| temp += 4; |
| } |
| |
| blockd[uoffset].bmi.as_mv[1].as_mv.col = (temp / 8) & |
| xd->fullpixel_mask; |
| |
| blockd[voffset].bmi.as_mv[1].as_mv.row = |
| blockd[uoffset].bmi.as_mv[1].as_mv.row; |
| blockd[voffset].bmi.as_mv[1].as_mv.col = |
| blockd[uoffset].bmi.as_mv[1].as_mv.col; |
| } |
| } |
| } |
| |
| for (i = 16; i < 24; i += 2) { |
| const int use_second_ref = xd->mode_info_context->mbmi.second_ref_frame > 0; |
| const int x = 4 * (i & 1); |
| const int y = ((i - 16) >> 1) * 4; |
| |
| int which_mv; |
| BLOCKD *d0 = &blockd[i]; |
| BLOCKD *d1 = &blockd[i + 1]; |
| |
| for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) { |
| build_2x1_inter_predictor(d0, d1, xd->scale_factor_uv, 4, 8, which_mv, |
| &xd->subpix, mb_row * 8 + y, mb_col * 8 + x); |
| } |
| } |
| } |
| |
| static void clamp_mv_to_umv_border(MV *mv, const MACROBLOCKD *xd) { |
| /* 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. |
| * |
| * This limit kicks in at 19 pixels for the top and left edges, for |
| * the 16 pixels plus 3 taps right of the central pixel when subpel |
| * filtering. The bottom and right edges use 16 pixels plus 2 pixels |
| * left of the central pixel when filtering. |
| */ |
| if (mv->col < (xd->mb_to_left_edge - ((16 + VP9_INTERP_EXTEND) << 3))) |
| mv->col = xd->mb_to_left_edge - (16 << 3); |
| else if (mv->col > xd->mb_to_right_edge + ((15 + VP9_INTERP_EXTEND) << 3)) |
| mv->col = xd->mb_to_right_edge + (16 << 3); |
| |
| if (mv->row < (xd->mb_to_top_edge - ((16 + VP9_INTERP_EXTEND) << 3))) |
| mv->row = xd->mb_to_top_edge - (16 << 3); |
| else if (mv->row > xd->mb_to_bottom_edge + ((15 + VP9_INTERP_EXTEND) << 3)) |
| mv->row = xd->mb_to_bottom_edge + (16 << 3); |
| } |
| |
| /* A version of the above function for chroma block MVs.*/ |
| static void clamp_uvmv_to_umv_border(MV *mv, const MACROBLOCKD *xd) { |
| const int extend = VP9_INTERP_EXTEND; |
| |
| mv->col = (2 * mv->col < (xd->mb_to_left_edge - ((16 + extend) << 3))) ? |
| (xd->mb_to_left_edge - (16 << 3)) >> 1 : mv->col; |
| mv->col = (2 * mv->col > xd->mb_to_right_edge + ((15 + extend) << 3)) ? |
| (xd->mb_to_right_edge + (16 << 3)) >> 1 : mv->col; |
| |
| mv->row = (2 * mv->row < (xd->mb_to_top_edge - ((16 + extend) << 3))) ? |
| (xd->mb_to_top_edge - (16 << 3)) >> 1 : mv->row; |
| mv->row = (2 * mv->row > xd->mb_to_bottom_edge + ((15 + extend) << 3)) ? |
| (xd->mb_to_bottom_edge + (16 << 3)) >> 1 : mv->row; |
| } |
| |
| /*encoder only*/ |
| void vp9_build_inter16x16_predictors_mby(MACROBLOCKD *xd, |
| uint8_t *dst_y, |
| int dst_ystride, |
| 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 *base_pre = which_mv ? xd->second_pre.y_buffer : xd->pre.y_buffer; |
| int pre_stride = which_mv ? xd->second_pre.y_stride : xd->pre.y_stride; |
| int_mv ymv; |
| ymv.as_int = xd->mode_info_context->mbmi.mv[which_mv].as_int; |
| |
| if (clamp_mvs) |
| clamp_mv_to_umv_border(&ymv.as_mv, xd); |
| |
| set_scaled_offsets(&xd->scale_factor[which_mv], mb_row * 16, mb_col * 16); |
| |
| vp9_build_inter_predictor(base_pre, pre_stride, |
| dst_y, dst_ystride, |
| &ymv, &xd->scale_factor[which_mv], |
| 16, 16, which_mv, &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) { |
| 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 _o16x16mv; |
| int_mv _16x16mv; |
| |
| _16x16mv.as_int = xd->mode_info_context->mbmi.mv[which_mv].as_int; |
| |
| if (clamp_mvs) |
| clamp_mv_to_umv_border(&_16x16mv.as_mv, xd); |
| |
| _o16x16mv = _16x16mv; |
| /* calc uv motion vectors */ |
| if (_16x16mv.as_mv.row < 0) |
| _16x16mv.as_mv.row -= 1; |
| else |
| _16x16mv.as_mv.row += 1; |
| |
| if (_16x16mv.as_mv.col < 0) |
| _16x16mv.as_mv.col -= 1; |
| else |
| _16x16mv.as_mv.col += 1; |
| |
| _16x16mv.as_mv.row /= 2; |
| _16x16mv.as_mv.col /= 2; |
| |
| _16x16mv.as_mv.row &= xd->fullpixel_mask; |
| _16x16mv.as_mv.col &= xd->fullpixel_mask; |
| |
| uptr = (which_mv ? xd->second_pre.u_buffer : xd->pre.u_buffer); |
| vptr = (which_mv ? xd->second_pre.v_buffer : xd->pre.v_buffer); |
| |
| set_scaled_offsets(&xd->scale_factor_uv[which_mv], |
| mb_row * 16, mb_col * 16); |
| |
| vp9_build_inter_predictor_q4(uptr, pre_stride, |
| dst_u, dst_uvstride, |
| &_16x16mv, &_o16x16mv, |
| &xd->scale_factor_uv[which_mv], |
| 8, 8, which_mv, &xd->subpix); |
| |
| vp9_build_inter_predictor_q4(vptr, pre_stride, |
| dst_v, dst_uvstride, |
| &_16x16mv, &_o16x16mv, |
| &xd->scale_factor_uv[which_mv], |
| 8, 8, which_mv, &xd->subpix); |
| } |
| } |
| |
| void vp9_build_inter32x32_predictors_sb(MACROBLOCKD *x, |
| uint8_t *dst_y, |
| uint8_t *dst_u, |
| uint8_t *dst_v, |
| int dst_ystride, |
| int dst_uvstride, |
| int mb_row, |
| int mb_col) { |
| uint8_t *y1 = x->pre.y_buffer, *u1 = x->pre.u_buffer, *v1 = x->pre.v_buffer; |
| uint8_t *y2 = x->second_pre.y_buffer, *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 < 4; n++) { |
| const int x_idx = n & 1, y_idx = n >> 1; |
| int scaled_uv_offset; |
| |
| x->mb_to_top_edge = edge[0] - ((y_idx * 16) << 3); |
| x->mb_to_bottom_edge = edge[1] + (((1 - y_idx) * 16) << 3); |
| x->mb_to_left_edge = edge[2] - ((x_idx * 16) << 3); |
| x->mb_to_right_edge = edge[3] + (((1 - x_idx) * 16) << 3); |
| |
| x->pre.y_buffer = y1 + scaled_buffer_offset(x_idx * 16, |
| y_idx * 16, |
| x->pre.y_stride, |
| &x->scale_factor[0]); |
| 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) { |
| x->second_pre.y_buffer = y2 + |
| scaled_buffer_offset(x_idx * 16, |
| y_idx * 16, |
| x->second_pre.y_stride, |
| &x->scale_factor[1]); |
| 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_mb(x, |
| dst_y + y_idx * 16 * dst_ystride + x_idx * 16, |
| dst_u + y_idx * 8 * dst_uvstride + x_idx * 8, |
| dst_v + y_idx * 8 * dst_uvstride + x_idx * 8, |
| dst_ystride, 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.y_buffer = y1; |
| x->pre.u_buffer = u1; |
| x->pre.v_buffer = v1; |
| |
| if (x->mode_info_context->mbmi.second_ref_frame > 0) { |
| x->second_pre.y_buffer = y2; |
| 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 |
| } |
| |
| void vp9_build_inter64x64_predictors_sb(MACROBLOCKD *x, |
| uint8_t *dst_y, |
| uint8_t *dst_u, |
| uint8_t *dst_v, |
| int dst_ystride, |
| int dst_uvstride, |
| int mb_row, |
| int mb_col) { |
| uint8_t *y1 = x->pre.y_buffer, *u1 = x->pre.u_buffer, *v1 = x->pre.v_buffer; |
| uint8_t *y2 = x->second_pre.y_buffer, *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 < 4; n++) { |
| const int x_idx = n & 1, y_idx = n >> 1; |
| int scaled_uv_offset; |
| |
| x->mb_to_top_edge = edge[0] - ((y_idx * 32) << 3); |
| x->mb_to_bottom_edge = edge[1] + (((1 - y_idx) * 32) << 3); |
| x->mb_to_left_edge = edge[2] - ((x_idx * 32) << 3); |
| x->mb_to_right_edge = edge[3] + (((1 - x_idx) * 32) << 3); |
| |
| x->pre.y_buffer = y1 + scaled_buffer_offset(x_idx * 32, |
| y_idx * 32, |
| x->pre.y_stride, |
| &x->scale_factor[0]); |
| scaled_uv_offset = scaled_buffer_offset(x_idx * 16, |
| y_idx * 16, |
| 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) { |
| x->second_pre.y_buffer = y2 + |
| scaled_buffer_offset(x_idx * 32, |
| y_idx * 32, |
| x->second_pre.y_stride, |
| &x->scale_factor[1]); |
| scaled_uv_offset = scaled_buffer_offset(x_idx * 16, |
| y_idx * 16, |
| 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_inter32x32_predictors_sb(x, |
| dst_y + y_idx * 32 * dst_ystride + x_idx * 32, |
| dst_u + y_idx * 16 * dst_uvstride + x_idx * 16, |
| dst_v + y_idx * 16 * dst_uvstride + x_idx * 16, |
| dst_ystride, dst_uvstride, mb_row + y_idx * 2, mb_col + x_idx * 2); |
| } |
| |
| 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.y_buffer = y1; |
| x->pre.u_buffer = u1; |
| x->pre.v_buffer = v1; |
| |
| if (x->mode_info_context->mbmi.second_ref_frame > 0) { |
| x->second_pre.y_buffer = y2; |
| 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_64x64_predictors_sb(x, dst_y, dst_u, dst_v, |
| dst_ystride, dst_uvstride); |
| } |
| #endif |
| } |
| |
| static void build_inter4x4_predictors_mb(MACROBLOCKD *xd, |
| int mb_row, int mb_col) { |
| int i; |
| MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi; |
| BLOCKD *blockd = xd->block; |
| int which_mv = 0; |
| const int use_second_ref = mbmi->second_ref_frame > 0; |
| |
| if (xd->mode_info_context->mbmi.partitioning != PARTITIONING_4X4) { |
| for (i = 0; i < 16; i += 8) { |
| BLOCKD *d0 = &blockd[i]; |
| BLOCKD *d1 = &blockd[i + 2]; |
| const int y = i & 8; |
| |
| blockd[i + 0].bmi = xd->mode_info_context->bmi[i + 0]; |
| blockd[i + 2].bmi = xd->mode_info_context->bmi[i + 2]; |
| |
| for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) { |
| if (mbmi->need_to_clamp_mvs) { |
| clamp_mv_to_umv_border(&blockd[i + 0].bmi.as_mv[which_mv].as_mv, xd); |
| clamp_mv_to_umv_border(&blockd[i + 2].bmi.as_mv[which_mv].as_mv, xd); |
| } |
| |
| build_2x1_inter_predictor(d0, d1, xd->scale_factor, 8, 16, |
| which_mv, &xd->subpix, |
| mb_row * 16 + y, mb_col * 16); |
| } |
| } |
| } else { |
| for (i = 0; i < 16; i += 2) { |
| BLOCKD *d0 = &blockd[i]; |
| BLOCKD *d1 = &blockd[i + 1]; |
| const int x = (i & 3) * 4; |
| const int y = (i >> 2) * 4; |
| |
| blockd[i + 0].bmi = xd->mode_info_context->bmi[i + 0]; |
| blockd[i + 1].bmi = xd->mode_info_context->bmi[i + 1]; |
| |
| for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) { |
| build_2x1_inter_predictor(d0, d1, xd->scale_factor, 4, 16, |
| which_mv, &xd->subpix, |
| mb_row * 16 + y, mb_col * 16 + x); |
| } |
| } |
| } |
| |
| for (i = 16; i < 24; i += 2) { |
| BLOCKD *d0 = &blockd[i]; |
| BLOCKD *d1 = &blockd[i + 1]; |
| const int x = 4 * (i & 1); |
| const int y = ((i - 16) >> 1) * 4; |
| |
| for (which_mv = 0; which_mv < 1 + use_second_ref; ++which_mv) { |
| build_2x1_inter_predictor(d0, d1, xd->scale_factor_uv, 4, 8, |
| which_mv, &xd->subpix, |
| mb_row * 8 + y, mb_col * 8 + x); |
| } |
| } |
| } |
| |
| static int mv_pred_row(MACROBLOCKD *mb, int off, int idx) { |
| int temp = mb->mode_info_context->bmi[off + 0].as_mv[idx].as_mv.row + |
| mb->mode_info_context->bmi[off + 1].as_mv[idx].as_mv.row + |
| mb->mode_info_context->bmi[off + 4].as_mv[idx].as_mv.row + |
| mb->mode_info_context->bmi[off + 5].as_mv[idx].as_mv.row; |
| return (temp < 0 ? temp - 4 : temp + 4) / 8; |
| } |
| |
| static int mv_pred_col(MACROBLOCKD *mb, int off, int idx) { |
| int temp = mb->mode_info_context->bmi[off + 0].as_mv[idx].as_mv.col + |
| mb->mode_info_context->bmi[off + 1].as_mv[idx].as_mv.col + |
| mb->mode_info_context->bmi[off + 4].as_mv[idx].as_mv.col + |
| mb->mode_info_context->bmi[off + 5].as_mv[idx].as_mv.col; |
| return (temp < 0 ? temp - 4 : temp + 4) / 8; |
| } |
| |
| static void build_4x4uvmvs(MACROBLOCKD *xd) { |
| int i, j; |
| BLOCKD *blockd = xd->block; |
| const int mask = xd->fullpixel_mask; |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| const int yoffset = i * 8 + j * 2; |
| const int uoffset = 16 + i * 2 + j; |
| const int voffset = 20 + i * 2 + j; |
| |
| MV *u = &blockd[uoffset].bmi.as_mv[0].as_mv; |
| MV *v = &blockd[voffset].bmi.as_mv[0].as_mv; |
| u->row = mv_pred_row(xd, yoffset, 0) & mask; |
| u->col = mv_pred_col(xd, yoffset, 0) & mask; |
| |
| // if (x->mode_info_context->mbmi.need_to_clamp_mvs) |
| clamp_uvmv_to_umv_border(u, xd); |
| |
| // if (x->mode_info_context->mbmi.need_to_clamp_mvs) |
| clamp_uvmv_to_umv_border(u, xd); |
| |
| v->row = u->row; |
| v->col = u->col; |
| |
| if (xd->mode_info_context->mbmi.second_ref_frame > 0) { |
| u = &blockd[uoffset].bmi.as_mv[1].as_mv; |
| v = &blockd[voffset].bmi.as_mv[1].as_mv; |
| u->row = mv_pred_row(xd, yoffset, 1) & mask; |
| u->col = mv_pred_col(xd, yoffset, 1) & mask; |
| |
| // if (mbmi->need_to_clamp_mvs) |
| clamp_uvmv_to_umv_border(u, xd); |
| |
| // if (mbmi->need_to_clamp_mvs) |
| clamp_uvmv_to_umv_border(u, xd); |
| |
| v->row = u->row; |
| v->col = u->col; |
| } |
| } |
| } |
| } |
| |
| void vp9_build_inter16x16_predictors_mb(MACROBLOCKD *xd, |
| uint8_t *dst_y, |
| uint8_t *dst_u, |
| uint8_t *dst_v, |
| int dst_ystride, |
| int dst_uvstride, |
| int mb_row, |
| int mb_col) { |
| vp9_build_inter16x16_predictors_mby(xd, dst_y, dst_ystride, mb_row, mb_col); |
| vp9_build_inter16x16_predictors_mbuv(xd, dst_u, dst_v, dst_uvstride, |
| mb_row, mb_col); |
| } |
| |
| |
| void vp9_build_inter_predictors_mb(MACROBLOCKD *xd, |
| int mb_row, |
| int mb_col) { |
| if (xd->mode_info_context->mbmi.mode != SPLITMV) { |
| vp9_build_inter16x16_predictors_mb(xd, xd->predictor, |
| &xd->predictor[256], |
| &xd->predictor[320], 16, 8, |
| mb_row, mb_col); |
| |
| #if CONFIG_COMP_INTERINTRA_PRED |
| if (xd->mode_info_context->mbmi.second_ref_frame == INTRA_FRAME) { |
| vp9_build_interintra_16x16_predictors_mb(xd, xd->predictor, |
| &xd->predictor[256], |
| &xd->predictor[320], 16, 8); |
| } |
| #endif |
| } else { |
| build_4x4uvmvs(xd); |
| build_inter4x4_predictors_mb(xd, mb_row, mb_col); |
| } |
| } |
