diff options
Diffstat (limited to 'thirdparty/libvpx/vp9/common/vp9_reconinter.c')
| -rw-r--r-- | thirdparty/libvpx/vp9/common/vp9_reconinter.c | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/thirdparty/libvpx/vp9/common/vp9_reconinter.c b/thirdparty/libvpx/vp9/common/vp9_reconinter.c deleted file mode 100644 index 84718e9703..0000000000 --- a/thirdparty/libvpx/vp9/common/vp9_reconinter.c +++ /dev/null @@ -1,309 +0,0 @@ -/* - * 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_scale_rtcd.h" -#include "./vpx_config.h" - -#include "vpx/vpx_integer.h" - -#include "vp9/common/vp9_blockd.h" -#include "vp9/common/vp9_reconinter.h" -#include "vp9/common/vp9_reconintra.h" - -#if CONFIG_VP9_HIGHBITDEPTH -void vp9_highbd_build_inter_predictor(const uint8_t *src, int src_stride, - uint8_t *dst, int dst_stride, - const MV *src_mv, - const struct scale_factors *sf, - int w, int h, int ref, - const InterpKernel *kernel, - enum mv_precision precision, - int x, int y, int bd) { - const int is_q4 = precision == MV_PRECISION_Q4; - const MV mv_q4 = { is_q4 ? src_mv->row : src_mv->row * 2, - is_q4 ? src_mv->col : src_mv->col * 2 }; - MV32 mv = vp9_scale_mv(&mv_q4, x, y, sf); - const int subpel_x = mv.col & SUBPEL_MASK; - const int subpel_y = mv.row & SUBPEL_MASK; - - src += (mv.row >> SUBPEL_BITS) * src_stride + (mv.col >> SUBPEL_BITS); - - highbd_inter_predictor(src, src_stride, dst, dst_stride, subpel_x, subpel_y, - sf, w, h, ref, kernel, sf->x_step_q4, sf->y_step_q4, - bd); -} -#endif // CONFIG_VP9_HIGHBITDEPTH - -void vp9_build_inter_predictor(const uint8_t *src, int src_stride, - uint8_t *dst, int dst_stride, - const MV *src_mv, - const struct scale_factors *sf, - int w, int h, int ref, - const InterpKernel *kernel, - enum mv_precision precision, - int x, int y) { - const int is_q4 = precision == MV_PRECISION_Q4; - const MV mv_q4 = { is_q4 ? src_mv->row : src_mv->row * 2, - is_q4 ? src_mv->col : src_mv->col * 2 }; - MV32 mv = vp9_scale_mv(&mv_q4, x, y, sf); - const int subpel_x = mv.col & SUBPEL_MASK; - const int subpel_y = mv.row & SUBPEL_MASK; - - src += (mv.row >> SUBPEL_BITS) * src_stride + (mv.col >> SUBPEL_BITS); - - inter_predictor(src, src_stride, dst, dst_stride, subpel_x, subpel_y, - sf, w, h, ref, kernel, sf->x_step_q4, sf->y_step_q4); -} - -static INLINE int round_mv_comp_q4(int value) { - return (value < 0 ? value - 2 : value + 2) / 4; -} - -static MV mi_mv_pred_q4(const MODE_INFO *mi, int idx) { - MV res = { round_mv_comp_q4(mi->bmi[0].as_mv[idx].as_mv.row + - mi->bmi[1].as_mv[idx].as_mv.row + - mi->bmi[2].as_mv[idx].as_mv.row + - mi->bmi[3].as_mv[idx].as_mv.row), - round_mv_comp_q4(mi->bmi[0].as_mv[idx].as_mv.col + - mi->bmi[1].as_mv[idx].as_mv.col + - mi->bmi[2].as_mv[idx].as_mv.col + - mi->bmi[3].as_mv[idx].as_mv.col) }; - return res; -} - -static INLINE int round_mv_comp_q2(int value) { - return (value < 0 ? value - 1 : value + 1) / 2; -} - -static MV mi_mv_pred_q2(const MODE_INFO *mi, int idx, int block0, int block1) { - MV res = { round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.row + - mi->bmi[block1].as_mv[idx].as_mv.row), - round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.col + - mi->bmi[block1].as_mv[idx].as_mv.col) }; - return res; -} - -// TODO(jkoleszar): yet another mv clamping function :-( -MV clamp_mv_to_umv_border_sb(const MACROBLOCKD *xd, const MV *src_mv, - int bw, int bh, int ss_x, int ss_y) { - // 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 spel_left = (VP9_INTERP_EXTEND + bw) << SUBPEL_BITS; - const int spel_right = spel_left - SUBPEL_SHIFTS; - const int spel_top = (VP9_INTERP_EXTEND + bh) << SUBPEL_BITS; - const int spel_bottom = spel_top - SUBPEL_SHIFTS; - MV clamped_mv = { - src_mv->row * (1 << (1 - ss_y)), - src_mv->col * (1 << (1 - ss_x)) - }; - assert(ss_x <= 1); - assert(ss_y <= 1); - - clamp_mv(&clamped_mv, - xd->mb_to_left_edge * (1 << (1 - ss_x)) - spel_left, - xd->mb_to_right_edge * (1 << (1 - ss_x)) + spel_right, - xd->mb_to_top_edge * (1 << (1 - ss_y)) - spel_top, - xd->mb_to_bottom_edge * (1 << (1 - ss_y)) + spel_bottom); - - return clamped_mv; -} - -MV average_split_mvs(const struct macroblockd_plane *pd, - const MODE_INFO *mi, int ref, int block) { - const int ss_idx = ((pd->subsampling_x > 0) << 1) | (pd->subsampling_y > 0); - MV res = {0, 0}; - switch (ss_idx) { - case 0: - res = mi->bmi[block].as_mv[ref].as_mv; - break; - case 1: - res = mi_mv_pred_q2(mi, ref, block, block + 2); - break; - case 2: - res = mi_mv_pred_q2(mi, ref, block, block + 1); - break; - case 3: - res = mi_mv_pred_q4(mi, ref); - break; - default: - assert(ss_idx <= 3 && ss_idx >= 0); - } - return res; -} - -static void build_inter_predictors(MACROBLOCKD *xd, int plane, int block, - int bw, int bh, - int x, int y, int w, int h, - int mi_x, int mi_y) { - struct macroblockd_plane *const pd = &xd->plane[plane]; - const MODE_INFO *mi = xd->mi[0]; - const int is_compound = has_second_ref(mi); - const InterpKernel *kernel = vp9_filter_kernels[mi->interp_filter]; - int ref; - - for (ref = 0; ref < 1 + is_compound; ++ref) { - const struct scale_factors *const sf = &xd->block_refs[ref]->sf; - struct buf_2d *const pre_buf = &pd->pre[ref]; - struct buf_2d *const dst_buf = &pd->dst; - uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x; - const MV mv = mi->sb_type < BLOCK_8X8 - ? average_split_mvs(pd, mi, ref, block) - : mi->mv[ref].as_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. - // mv_precision precision is MV_PRECISION_Q4. - const MV mv_q4 = clamp_mv_to_umv_border_sb(xd, &mv, bw, bh, - pd->subsampling_x, - pd->subsampling_y); - - uint8_t *pre; - MV32 scaled_mv; - int xs, ys, subpel_x, subpel_y; - const int is_scaled = vp9_is_scaled(sf); - - if (is_scaled) { - // Co-ordinate of containing block to pixel precision. - const int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)); - const int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)); -#if CONFIG_BETTER_HW_COMPATIBILITY - assert(xd->mi[0]->sb_type != BLOCK_4X8 && - xd->mi[0]->sb_type != BLOCK_8X4); - assert(mv_q4.row == mv.row * (1 << (1 - pd->subsampling_y)) && - mv_q4.col == mv.col * (1 << (1 - pd->subsampling_x))); -#endif - if (plane == 0) - pre_buf->buf = xd->block_refs[ref]->buf->y_buffer; - else if (plane == 1) - pre_buf->buf = xd->block_refs[ref]->buf->u_buffer; - else - pre_buf->buf = xd->block_refs[ref]->buf->v_buffer; - - pre_buf->buf += scaled_buffer_offset(x_start + x, y_start + y, - pre_buf->stride, sf); - pre = pre_buf->buf; - scaled_mv = vp9_scale_mv(&mv_q4, mi_x + x, mi_y + y, sf); - xs = sf->x_step_q4; - ys = sf->y_step_q4; - } else { - pre = pre_buf->buf + (y * pre_buf->stride + x); - scaled_mv.row = mv_q4.row; - scaled_mv.col = mv_q4.col; - xs = ys = 16; - } - subpel_x = scaled_mv.col & SUBPEL_MASK; - subpel_y = scaled_mv.row & SUBPEL_MASK; - pre += (scaled_mv.row >> SUBPEL_BITS) * pre_buf->stride - + (scaled_mv.col >> SUBPEL_BITS); - -#if CONFIG_VP9_HIGHBITDEPTH - if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { - highbd_inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, - subpel_x, subpel_y, sf, w, h, ref, kernel, xs, ys, - xd->bd); - } else { - inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, - subpel_x, subpel_y, sf, w, h, ref, kernel, xs, ys); - } -#else - inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, - subpel_x, subpel_y, sf, w, h, ref, kernel, xs, ys); -#endif // CONFIG_VP9_HIGHBITDEPTH - } -} - -static void build_inter_predictors_for_planes(MACROBLOCKD *xd, BLOCK_SIZE bsize, - int mi_row, int mi_col, - int plane_from, int plane_to) { - int plane; - const int mi_x = mi_col * MI_SIZE; - const int mi_y = mi_row * MI_SIZE; - for (plane = plane_from; plane <= plane_to; ++plane) { - const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, - &xd->plane[plane]); - const int num_4x4_w = num_4x4_blocks_wide_lookup[plane_bsize]; - const int num_4x4_h = num_4x4_blocks_high_lookup[plane_bsize]; - const int bw = 4 * num_4x4_w; - const int bh = 4 * num_4x4_h; - - if (xd->mi[0]->sb_type < BLOCK_8X8) { - int i = 0, x, y; - assert(bsize == BLOCK_8X8); - for (y = 0; y < num_4x4_h; ++y) - for (x = 0; x < num_4x4_w; ++x) - build_inter_predictors(xd, plane, i++, bw, bh, - 4 * x, 4 * y, 4, 4, mi_x, mi_y); - } else { - build_inter_predictors(xd, plane, 0, bw, bh, - 0, 0, bw, bh, mi_x, mi_y); - } - } -} - -void vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col, - BLOCK_SIZE bsize) { - build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 0, 0); -} - -void vp9_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col, - BLOCK_SIZE bsize, int plane) { - build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, plane, plane); -} - -void vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col, - BLOCK_SIZE bsize) { - build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 1, - MAX_MB_PLANE - 1); -} - -void vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col, - BLOCK_SIZE bsize) { - build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 0, - MAX_MB_PLANE - 1); -} - -void vp9_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE], - const YV12_BUFFER_CONFIG *src, - int mi_row, int mi_col) { - uint8_t *const buffers[MAX_MB_PLANE] = { src->y_buffer, src->u_buffer, - src->v_buffer}; - const int strides[MAX_MB_PLANE] = { src->y_stride, src->uv_stride, - src->uv_stride}; - int i; - - for (i = 0; i < MAX_MB_PLANE; ++i) { - struct macroblockd_plane *const pd = &planes[i]; - setup_pred_plane(&pd->dst, buffers[i], strides[i], mi_row, mi_col, NULL, - pd->subsampling_x, pd->subsampling_y); - } -} - -void vp9_setup_pre_planes(MACROBLOCKD *xd, int idx, - const YV12_BUFFER_CONFIG *src, - int mi_row, int mi_col, - const struct scale_factors *sf) { - if (src != NULL) { - int i; - uint8_t *const buffers[MAX_MB_PLANE] = { src->y_buffer, src->u_buffer, - src->v_buffer}; - const int strides[MAX_MB_PLANE] = { src->y_stride, src->uv_stride, - src->uv_stride}; - for (i = 0; i < MAX_MB_PLANE; ++i) { - struct macroblockd_plane *const pd = &xd->plane[i]; - setup_pred_plane(&pd->pre[idx], buffers[i], strides[i], mi_row, mi_col, - sf, pd->subsampling_x, pd->subsampling_y); - } - } -} |