1ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang/* 2ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * 4ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * Use of this source code is governed by a BSD-style license 5ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * that can be found in the LICENSE file in the root of the source 6ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * tree. An additional intellectual property rights grant can be found 7ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * in the file PATENTS. All contributing project authors may 8ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang * be found in the AUTHORS file in the root of the source tree. 9ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang */ 10ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 11ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang#include <assert.h> 12ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 131184aebb761cbeac9124c37189a80a1a58f04b6bhkuang#include "./vpx_scale_rtcd.h" 14ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang#include "./vpx_config.h" 151184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 16ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang#include "vpx/vpx_integer.h" 171184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 18ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang#include "vp9/common/vp9_blockd.h" 19ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang#include "vp9/common/vp9_reconinter.h" 20ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang#include "vp9/common/vp9_reconintra.h" 21ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 22da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian#if CONFIG_VP9_HIGHBITDEPTH 23da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanianvoid high_inter_predictor(const uint8_t *src, int src_stride, 24da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian uint8_t *dst, int dst_stride, 25da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int subpel_x, 26da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int subpel_y, 27da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const struct scale_factors *sf, 28da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian int w, int h, int ref, 29da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const InterpKernel *kernel, 30da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian int xs, int ys, int bd) { 31da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian sf->highbd_predict[subpel_x != 0][subpel_y != 0][ref]( 32da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian src, src_stride, dst, dst_stride, 33da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian kernel[subpel_x], xs, kernel[subpel_y], ys, w, h, bd); 34da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian} 355ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 36da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanianvoid vp9_highbd_build_inter_predictor(const uint8_t *src, int src_stride, 37da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian uint8_t *dst, int dst_stride, 38da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const MV *src_mv, 39da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const struct scale_factors *sf, 40da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian int w, int h, int ref, 41da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const InterpKernel *kernel, 42da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian enum mv_precision precision, 43da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian int x, int y, int bd) { 44da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int is_q4 = precision == MV_PRECISION_Q4; 45da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const MV mv_q4 = { is_q4 ? src_mv->row : src_mv->row * 2, 46da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian is_q4 ? src_mv->col : src_mv->col * 2 }; 47da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian MV32 mv = vp9_scale_mv(&mv_q4, x, y, sf); 48da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int subpel_x = mv.col & SUBPEL_MASK; 49da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int subpel_y = mv.row & SUBPEL_MASK; 502ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian 51da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian src += (mv.row >> SUBPEL_BITS) * src_stride + (mv.col >> SUBPEL_BITS); 52ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 53da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian high_inter_predictor(src, src_stride, dst, dst_stride, subpel_x, subpel_y, 54da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian sf, w, h, ref, kernel, sf->x_step_q4, sf->y_step_q4, bd); 555ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang} 56da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian#endif // CONFIG_VP9_HIGHBITDEPTH 575ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 58ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangvoid vp9_build_inter_predictor(const uint8_t *src, int src_stride, 59ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang uint8_t *dst, int dst_stride, 60f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang const MV *src_mv, 612ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const struct scale_factors *sf, 621184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int w, int h, int ref, 632ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const InterpKernel *kernel, 642ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian enum mv_precision precision, 652ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int x, int y) { 661184aebb761cbeac9124c37189a80a1a58f04b6bhkuang const int is_q4 = precision == MV_PRECISION_Q4; 675ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang const MV mv_q4 = { is_q4 ? src_mv->row : src_mv->row * 2, 685ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang is_q4 ? src_mv->col : src_mv->col * 2 }; 692ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian MV32 mv = vp9_scale_mv(&mv_q4, x, y, sf); 702ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int subpel_x = mv.col & SUBPEL_MASK; 712ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int subpel_y = mv.row & SUBPEL_MASK; 722ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian 732ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian src += (mv.row >> SUBPEL_BITS) * src_stride + (mv.col >> SUBPEL_BITS); 745ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 752ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian inter_predictor(src, src_stride, dst, dst_stride, subpel_x, subpel_y, 762ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian sf, w, h, ref, kernel, sf->x_step_q4, sf->y_step_q4); 77ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 78ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 79ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuangstatic INLINE int round_mv_comp_q4(int value) { 80ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang return (value < 0 ? value - 2 : value + 2) / 4; 81ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 82ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 83f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuangstatic MV mi_mv_pred_q4(const MODE_INFO *mi, int idx) { 84f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang MV res = { round_mv_comp_q4(mi->bmi[0].as_mv[idx].as_mv.row + 85f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang mi->bmi[1].as_mv[idx].as_mv.row + 86f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang mi->bmi[2].as_mv[idx].as_mv.row + 87f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang mi->bmi[3].as_mv[idx].as_mv.row), 88f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang round_mv_comp_q4(mi->bmi[0].as_mv[idx].as_mv.col + 89f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang mi->bmi[1].as_mv[idx].as_mv.col + 90f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang mi->bmi[2].as_mv[idx].as_mv.col + 91f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang mi->bmi[3].as_mv[idx].as_mv.col) }; 92f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang return res; 93ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 94ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 95ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanianstatic INLINE int round_mv_comp_q2(int value) { 96ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian return (value < 0 ? value - 1 : value + 1) / 2; 97ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian} 98ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian 99ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanianstatic MV mi_mv_pred_q2(const MODE_INFO *mi, int idx, int block0, int block1) { 100ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian MV res = { round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.row + 101ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian mi->bmi[block1].as_mv[idx].as_mv.row), 102ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian round_mv_comp_q2(mi->bmi[block0].as_mv[idx].as_mv.col + 103ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian mi->bmi[block1].as_mv[idx].as_mv.col) }; 104ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian return res; 105ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian} 106ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian 107ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang// TODO(jkoleszar): yet another mv clamping function :-( 1081184aebb761cbeac9124c37189a80a1a58f04b6bhkuangMV clamp_mv_to_umv_border_sb(const MACROBLOCKD *xd, const MV *src_mv, 1091184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int bw, int bh, int ss_x, int ss_y) { 110f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang // If the MV points so far into the UMV border that no visible pixels 111f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang // are used for reconstruction, the subpel part of the MV can be 112f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang // discarded and the MV limited to 16 pixels with equivalent results. 1131184aebb761cbeac9124c37189a80a1a58f04b6bhkuang const int spel_left = (VP9_INTERP_EXTEND + bw) << SUBPEL_BITS; 1141184aebb761cbeac9124c37189a80a1a58f04b6bhkuang const int spel_right = spel_left - SUBPEL_SHIFTS; 1151184aebb761cbeac9124c37189a80a1a58f04b6bhkuang const int spel_top = (VP9_INTERP_EXTEND + bh) << SUBPEL_BITS; 1161184aebb761cbeac9124c37189a80a1a58f04b6bhkuang const int spel_bottom = spel_top - SUBPEL_SHIFTS; 117f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang MV clamped_mv = { 1185ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang src_mv->row * (1 << (1 - ss_y)), 1195ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang src_mv->col * (1 << (1 - ss_x)) 120f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang }; 121ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang assert(ss_x <= 1); 122ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang assert(ss_y <= 1); 123f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 1245ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang clamp_mv(&clamped_mv, 1255ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang xd->mb_to_left_edge * (1 << (1 - ss_x)) - spel_left, 1265ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang xd->mb_to_right_edge * (1 << (1 - ss_x)) + spel_right, 1275ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang xd->mb_to_top_edge * (1 << (1 - ss_y)) - spel_top, 1285ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang xd->mb_to_bottom_edge * (1 << (1 - ss_y)) + spel_bottom); 129f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 130ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang return clamped_mv; 131ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 132ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 133da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh VenkatasubramanianMV average_split_mvs(const struct macroblockd_plane *pd, 134da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const MODE_INFO *mi, int ref, int block) { 135ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian const int ss_idx = ((pd->subsampling_x > 0) << 1) | (pd->subsampling_y > 0); 136ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian MV res = {0, 0}; 137ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian switch (ss_idx) { 138ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian case 0: 139ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian res = mi->bmi[block].as_mv[ref].as_mv; 140ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian break; 141ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian case 1: 142ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian res = mi_mv_pred_q2(mi, ref, block, block + 2); 143ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian break; 144ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian case 2: 145ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian res = mi_mv_pred_q2(mi, ref, block, block + 1); 146ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian break; 147ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian case 3: 148ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian res = mi_mv_pred_q4(mi, ref); 149ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian break; 150ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian default: 151da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian assert(ss_idx <= 3 && ss_idx >= 0); 152ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian } 153ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian return res; 154ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian} 155ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian 1569b35249446b07f40ac5fcc3205f2c048616efacchkuangstatic void build_inter_predictors(MACROBLOCKD *xd, int plane, int block, 1572ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int bw, int bh, 1582ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int x, int y, int w, int h, 1599b35249446b07f40ac5fcc3205f2c048616efacchkuang int mi_x, int mi_y) { 1601184aebb761cbeac9124c37189a80a1a58f04b6bhkuang struct macroblockd_plane *const pd = &xd->plane[plane]; 1614fb68e5dd4e93c7599dc905d861de11ac39c5585hkuang const MODE_INFO *mi = xd->mi[0]; 1625ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang const int is_compound = has_second_ref(&mi->mbmi); 163da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const InterpKernel *kernel = vp9_filter_kernels[mi->mbmi.interp_filter]; 1641184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int ref; 1651184aebb761cbeac9124c37189a80a1a58f04b6bhkuang 1665ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang for (ref = 0; ref < 1 + is_compound; ++ref) { 1672ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const struct scale_factors *const sf = &xd->block_refs[ref]->sf; 1681184aebb761cbeac9124c37189a80a1a58f04b6bhkuang struct buf_2d *const pre_buf = &pd->pre[ref]; 1691184aebb761cbeac9124c37189a80a1a58f04b6bhkuang struct buf_2d *const dst_buf = &pd->dst; 1701184aebb761cbeac9124c37189a80a1a58f04b6bhkuang uint8_t *const dst = dst_buf->buf + dst_buf->stride * y + x; 1711184aebb761cbeac9124c37189a80a1a58f04b6bhkuang const MV mv = mi->mbmi.sb_type < BLOCK_8X8 172ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian ? average_split_mvs(pd, mi, ref, block) 1731184aebb761cbeac9124c37189a80a1a58f04b6bhkuang : mi->mbmi.mv[ref].as_mv; 174f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 175f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang // TODO(jkoleszar): This clamping is done in the incorrect place for the 176f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang // scaling case. It needs to be done on the scaled MV, not the pre-scaling 177f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang // MV. Note however that it performs the subsampling aware scaling so 178f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang // that the result is always q4. 1795ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang // mv_precision precision is MV_PRECISION_Q4. 1805ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang const MV mv_q4 = clamp_mv_to_umv_border_sb(xd, &mv, bw, bh, 1815ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang pd->subsampling_x, 1825ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang pd->subsampling_y); 1835ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 1845ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang uint8_t *pre; 1855ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang MV32 scaled_mv; 1862ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int xs, ys, subpel_x, subpel_y; 187da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int is_scaled = vp9_is_scaled(sf); 1882ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian 189da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian if (is_scaled) { 1902263fc984bdc858ee931d3e35c87c404de923950Johann // Co-ordinate of containing block to pixel precision. 1912263fc984bdc858ee931d3e35c87c404de923950Johann const int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)); 1922263fc984bdc858ee931d3e35c87c404de923950Johann const int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)); 1932263fc984bdc858ee931d3e35c87c404de923950Johann if (plane == 0) 1942263fc984bdc858ee931d3e35c87c404de923950Johann pre_buf->buf = xd->block_refs[ref]->buf->y_buffer; 1952263fc984bdc858ee931d3e35c87c404de923950Johann else if (plane == 1) 1962263fc984bdc858ee931d3e35c87c404de923950Johann pre_buf->buf = xd->block_refs[ref]->buf->u_buffer; 1972263fc984bdc858ee931d3e35c87c404de923950Johann else 1982263fc984bdc858ee931d3e35c87c404de923950Johann pre_buf->buf = xd->block_refs[ref]->buf->v_buffer; 1992263fc984bdc858ee931d3e35c87c404de923950Johann 2002263fc984bdc858ee931d3e35c87c404de923950Johann pre_buf->buf += scaled_buffer_offset(x_start + x, y_start + y, 2012263fc984bdc858ee931d3e35c87c404de923950Johann pre_buf->stride, sf); 2022263fc984bdc858ee931d3e35c87c404de923950Johann pre = pre_buf->buf; 2032ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian scaled_mv = vp9_scale_mv(&mv_q4, mi_x + x, mi_y + y, sf); 2042ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian xs = sf->x_step_q4; 2052ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian ys = sf->y_step_q4; 2065ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } else { 2075ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang pre = pre_buf->buf + (y * pre_buf->stride + x); 2085ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang scaled_mv.row = mv_q4.row; 2095ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang scaled_mv.col = mv_q4.col; 2105ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang xs = ys = 16; 2115ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang } 2122ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian subpel_x = scaled_mv.col & SUBPEL_MASK; 2132ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian subpel_y = scaled_mv.row & SUBPEL_MASK; 2142ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian pre += (scaled_mv.row >> SUBPEL_BITS) * pre_buf->stride 2152ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian + (scaled_mv.col >> SUBPEL_BITS); 2165ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang 217da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian#if CONFIG_VP9_HIGHBITDEPTH 218da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 219da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian high_inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, 220da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian subpel_x, subpel_y, sf, w, h, ref, kernel, xs, ys, 221da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian xd->bd); 222da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian } else { 223da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, 224da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian subpel_x, subpel_y, sf, w, h, ref, kernel, xs, ys); 225da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian } 226da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian#else 2275ae7ac49f08a179e4f054d99fcfc9dce78d26e58hkuang inter_predictor(pre, pre_buf->stride, dst, dst_buf->stride, 2284fb68e5dd4e93c7599dc905d861de11ac39c5585hkuang subpel_x, subpel_y, sf, w, h, ref, kernel, xs, ys); 229da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian#endif // CONFIG_VP9_HIGHBITDEPTH 230ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang } 231ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 232ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 2331184aebb761cbeac9124c37189a80a1a58f04b6bhkuangstatic void build_inter_predictors_for_planes(MACROBLOCKD *xd, BLOCK_SIZE bsize, 2341184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int mi_row, int mi_col, 2351184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int plane_from, int plane_to) { 2361184aebb761cbeac9124c37189a80a1a58f04b6bhkuang int plane; 2372ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int mi_x = mi_col * MI_SIZE; 2382ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int mi_y = mi_row * MI_SIZE; 2391184aebb761cbeac9124c37189a80a1a58f04b6bhkuang for (plane = plane_from; plane <= plane_to; ++plane) { 2402ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, 2412ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian &xd->plane[plane]); 2422ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int num_4x4_w = num_4x4_blocks_wide_lookup[plane_bsize]; 2432ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int num_4x4_h = num_4x4_blocks_high_lookup[plane_bsize]; 2442ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int bw = 4 * num_4x4_w; 2452ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const int bh = 4 * num_4x4_h; 2469b35249446b07f40ac5fcc3205f2c048616efacchkuang 2474fb68e5dd4e93c7599dc905d861de11ac39c5585hkuang if (xd->mi[0]->mbmi.sb_type < BLOCK_8X8) { 2489b35249446b07f40ac5fcc3205f2c048616efacchkuang int i = 0, x, y; 2499b35249446b07f40ac5fcc3205f2c048616efacchkuang assert(bsize == BLOCK_8X8); 2502ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian for (y = 0; y < num_4x4_h; ++y) 2512ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian for (x = 0; x < num_4x4_w; ++x) 2522ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian build_inter_predictors(xd, plane, i++, bw, bh, 2532ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian 4 * x, 4 * y, 4, 4, mi_x, mi_y); 2549b35249446b07f40ac5fcc3205f2c048616efacchkuang } else { 2552ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian build_inter_predictors(xd, plane, 0, bw, bh, 2562ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian 0, 0, bw, bh, mi_x, mi_y); 2579b35249446b07f40ac5fcc3205f2c048616efacchkuang } 2581184aebb761cbeac9124c37189a80a1a58f04b6bhkuang } 259ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 260ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 2611184aebb761cbeac9124c37189a80a1a58f04b6bhkuangvoid vp9_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col, 2621184aebb761cbeac9124c37189a80a1a58f04b6bhkuang BLOCK_SIZE bsize) { 2631184aebb761cbeac9124c37189a80a1a58f04b6bhkuang build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 0, 0); 2641184aebb761cbeac9124c37189a80a1a58f04b6bhkuang} 265da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian 266da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanianvoid vp9_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col, 267da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian BLOCK_SIZE bsize, int plane) { 268da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, plane, plane); 269da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian} 270da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian 2711184aebb761cbeac9124c37189a80a1a58f04b6bhkuangvoid vp9_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col, 2721184aebb761cbeac9124c37189a80a1a58f04b6bhkuang BLOCK_SIZE bsize) { 2731184aebb761cbeac9124c37189a80a1a58f04b6bhkuang build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 1, 2741184aebb761cbeac9124c37189a80a1a58f04b6bhkuang MAX_MB_PLANE - 1); 2751184aebb761cbeac9124c37189a80a1a58f04b6bhkuang} 276da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian 2771184aebb761cbeac9124c37189a80a1a58f04b6bhkuangvoid vp9_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col, 2781184aebb761cbeac9124c37189a80a1a58f04b6bhkuang BLOCK_SIZE bsize) { 2791184aebb761cbeac9124c37189a80a1a58f04b6bhkuang build_inter_predictors_for_planes(xd, bsize, mi_row, mi_col, 0, 2801184aebb761cbeac9124c37189a80a1a58f04b6bhkuang MAX_MB_PLANE - 1); 281ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang} 282ba164dffc5a6795bce97fae02b51ccf3330e15e4hkuang 283ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanianvoid vp9_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE], 2842ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const YV12_BUFFER_CONFIG *src, 2852ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int mi_row, int mi_col) { 286da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian uint8_t *const buffers[MAX_MB_PLANE] = { src->y_buffer, src->u_buffer, 287da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian src->v_buffer}; 288da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int strides[MAX_MB_PLANE] = { src->y_stride, src->uv_stride, 289da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian src->uv_stride}; 2902ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int i; 2912ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian 2922ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian for (i = 0; i < MAX_MB_PLANE; ++i) { 293ba6c59e9d7d7013b3906b6f4230b663422681848Vignesh Venkatasubramanian struct macroblockd_plane *const pd = &planes[i]; 2942ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian setup_pred_plane(&pd->dst, buffers[i], strides[i], mi_row, mi_col, NULL, 2952ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian pd->subsampling_x, pd->subsampling_y); 2962ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian } 2972ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian} 2982ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian 2992ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanianvoid vp9_setup_pre_planes(MACROBLOCKD *xd, int idx, 3002ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const YV12_BUFFER_CONFIG *src, 3012ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int mi_row, int mi_col, 3022ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian const struct scale_factors *sf) { 3032ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian if (src != NULL) { 3042ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian int i; 305da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian uint8_t *const buffers[MAX_MB_PLANE] = { src->y_buffer, src->u_buffer, 306da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian src->v_buffer}; 307da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian const int strides[MAX_MB_PLANE] = { src->y_stride, src->uv_stride, 308da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian src->uv_stride}; 3092ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian for (i = 0; i < MAX_MB_PLANE; ++i) { 3102ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian struct macroblockd_plane *const pd = &xd->plane[i]; 3112ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian setup_pred_plane(&pd->pre[idx], buffers[i], strides[i], mi_row, mi_col, 3122ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian sf, pd->subsampling_x, pd->subsampling_y); 3132ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian } 3142ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian } 3152ec72e65689c948e92b826ae1e867bf369e72f13Vignesh Venkatasubramanian} 316