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aom/vp10/common/reconinter.h

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/*
* 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.
*/
#ifndef VP10_COMMON_RECONINTER_H_
#define VP10_COMMON_RECONINTER_H_
#include "vp10/common/filter.h"
#include "vp10/common/onyxc_int.h"
#include "vp10/common/vp10_convolve.h"
#include "vpx/vpx_integer.h"
#ifdef __cplusplus
extern "C" {
#endif
static INLINE void inter_predictor(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const int subpel_x,
const int subpel_y,
const struct scale_factors *sf,
int w, int h, int ref_idx,
#if CONFIG_DUAL_FILTER
const INTERP_FILTER *interp_filter,
#else
const INTERP_FILTER interp_filter,
#endif
int xs, int ys) {
#if CONFIG_DUAL_FILTER
InterpFilterParams interp_filter_params_x =
vp10_get_interp_filter_params(interp_filter[1 + 2 * ref_idx]);
InterpFilterParams interp_filter_params_y =
vp10_get_interp_filter_params(interp_filter[0 + 2 * ref_idx]);
#else
InterpFilterParams interp_filter_params =
vp10_get_interp_filter_params(interp_filter);
#endif
#if CONFIG_DUAL_FILTER
if (interp_filter_params_x.taps == SUBPEL_TAPS &&
interp_filter_params_y.taps == SUBPEL_TAPS) {
const int16_t *kernel_x =
vp10_get_interp_filter_subpel_kernel(interp_filter_params_x, subpel_x);
const int16_t *kernel_y =
vp10_get_interp_filter_subpel_kernel(interp_filter_params_y, subpel_y);
#else
if (interp_filter_params.taps == SUBPEL_TAPS) {
const int16_t *kernel_x =
vp10_get_interp_filter_subpel_kernel(interp_filter_params, subpel_x);
const int16_t *kernel_y =
vp10_get_interp_filter_subpel_kernel(interp_filter_params, subpel_y);
#endif
#if CONFIG_EXT_INTERP && SUPPORT_NONINTERPOLATING_FILTERS
if (IsInterpolatingFilter(interp_filter)) {
// Interpolating filter
sf->predict[subpel_x != 0][subpel_y != 0][ref](
src, src_stride, dst, dst_stride,
kernel_x, xs, kernel_y, ys, w, h);
} else {
sf->predict_ni[subpel_x != 0][subpel_y != 0][ref](
src, src_stride, dst, dst_stride,
kernel_x, xs, kernel_y, ys, w, h);
}
#else
sf->predict[subpel_x != 0][subpel_y != 0][ref_idx](
src, src_stride, dst, dst_stride,
kernel_x, xs, kernel_y, ys, w, h);
#endif // CONFIG_EXT_INTERP && SUPPORT_NONINTERPOLATING_FILTERS
} else {
// ref_idx > 0 means this is the second reference frame
// first reference frame's prediction result is already in dst
// therefore we need to average the first and second results
vp10_convolve(src, src_stride, dst, dst_stride, w, h, interp_filter,
subpel_x, xs, subpel_y, ys, ref_idx);
}
}
#if CONFIG_VP9_HIGHBITDEPTH
static INLINE void highbd_inter_predictor(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const int subpel_x,
const int subpel_y,
const struct scale_factors *sf,
int w, int h, int ref,
#if CONFIG_DUAL_FILTER
const INTERP_FILTER *interp_filter,
#else
const INTERP_FILTER interp_filter,
#endif
int xs, int ys, int bd) {
#if CONFIG_DUAL_FILTER
InterpFilterParams interp_filter_params_x =
vp10_get_interp_filter_params(interp_filter[1 + 2 * ref]);
InterpFilterParams interp_filter_params_y =
vp10_get_interp_filter_params(interp_filter[0 + 2 * ref]);
#else
InterpFilterParams interp_filter_params =
vp10_get_interp_filter_params(interp_filter);
#endif
#if CONFIG_DUAL_FILTER
if (interp_filter_params_x.taps == SUBPEL_TAPS &&
interp_filter_params_y.taps == SUBPEL_TAPS) {
const int16_t *kernel_x =
vp10_get_interp_filter_subpel_kernel(interp_filter_params_x, subpel_x);
const int16_t *kernel_y =
vp10_get_interp_filter_subpel_kernel(interp_filter_params_y, subpel_y);
#else
if (interp_filter_params.taps == SUBPEL_TAPS) {
const int16_t *kernel_x =
vp10_get_interp_filter_subpel_kernel(interp_filter_params, subpel_x);
const int16_t *kernel_y =
vp10_get_interp_filter_subpel_kernel(interp_filter_params, subpel_y);
#endif // CONFIG_DUAL_FILTER
#if CONFIG_EXT_INTERP && SUPPORT_NONINTERPOLATING_FILTERS
if (IsInterpolatingFilter(interp_filter)) {
// Interpolating filter
sf->highbd_predict[subpel_x != 0][subpel_y != 0][ref](
src, src_stride, dst, dst_stride,
kernel_x, xs, kernel_y, ys, w, h, bd);
} else {
sf->highbd_predict_ni[subpel_x != 0][subpel_y != 0][ref](
src, src_stride, dst, dst_stride,
kernel_x, xs, kernel_y, ys, w, h, bd);
}
#else
sf->highbd_predict[subpel_x != 0][subpel_y != 0][ref](
src, src_stride, dst, dst_stride,
kernel_x, xs, kernel_y, ys, w, h, bd);
#endif // CONFIG_EXT_INTERP && SUPPORT_NONINTERPOLATING_FILTERS
} else {
// ref > 0 means this is the second reference frame
// first reference frame's prediction result is already in dst
// therefore we need to average the first and second results
int avg = ref > 0;
vp10_highbd_convolve(src, src_stride, dst, dst_stride, w, h,
interp_filter, subpel_x, xs, subpel_y, ys, avg,
bd);
}
}
#endif // CONFIG_VP9_HIGHBITDEPTH
#if CONFIG_EXT_INTER
#define WEDGE_BITS_2 2
#define WEDGE_BITS_3 3
#define WEDGE_BITS_4 4
#define WEDGE_BITS_5 5
#define WEDGE_NONE -1
#define WEDGE_WEIGHT_BITS 6
static const int get_wedge_bits_lookup[BLOCK_SIZES] = {
0,
0,
0,
WEDGE_BITS_4,
WEDGE_BITS_4,
WEDGE_BITS_4,
WEDGE_BITS_4,
WEDGE_BITS_4,
WEDGE_BITS_4,
WEDGE_BITS_4,
0,
0,
0,
#if CONFIG_EXT_PARTITION
0,
0,
0,
#endif // CONFIG_EXT_PARTITION
};
static INLINE int is_interinter_wedge_used(BLOCK_SIZE sb_type) {
(void) sb_type;
return get_wedge_bits_lookup[sb_type] > 0;
}
static INLINE int get_interinter_wedge_bits(BLOCK_SIZE sb_type) {
const int wbits = get_wedge_bits_lookup[sb_type];
return (wbits > 0) ? wbits + 1 : 0;
}
static INLINE int is_interintra_wedge_used(BLOCK_SIZE sb_type) {
(void) sb_type;
return get_wedge_bits_lookup[sb_type] > 0;
}
static INLINE int get_interintra_wedge_bits(BLOCK_SIZE sb_type) {
return get_wedge_bits_lookup[sb_type];
}
#endif // CONFIG_EXT_INTER
void build_inter_predictors(MACROBLOCKD *xd, int plane,
#if CONFIG_OBMC
int mi_col_offset, int mi_row_offset,
#endif // CONFIG_OBMC
int block,
int bw, int bh,
int x, int y, int w, int h,
#if CONFIG_SUPERTX && CONFIG_EXT_INTER
int wedge_offset_x, int wedge_offset_y,
#endif // CONFIG_SUPERTX && CONFIG_EXT_INTER
int mi_x, int mi_y);
static INLINE void vp10_make_inter_predictor(
const uint8_t *src,
int src_stride,
uint8_t *dst,
int dst_stride,
const int subpel_x,
const int subpel_y,
const struct scale_factors *sf,
int w, int h, int ref,
#if CONFIG_DUAL_FILTER
const INTERP_FILTER *interp_filter,
#else
const INTERP_FILTER interp_filter,
#endif
int xs, int ys,
const MACROBLOCKD *xd) {
(void) xd;
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH)
highbd_inter_predictor(src, src_stride, dst, dst_stride,
subpel_x, subpel_y, sf, w, h, ref,
interp_filter, xs, ys, xd->bd);
else
#endif // CONFIG_VP9_HIGHBITDEPTH
inter_predictor(src, src_stride, dst, dst_stride,
subpel_x, subpel_y, sf, w, h, ref,
interp_filter, xs, ys);
}
#if CONFIG_EXT_INTER
void vp10_make_masked_inter_predictor(
const uint8_t *pre,
int pre_stride,
uint8_t *dst,
int dst_stride,
const int subpel_x,
const int subpel_y,
const struct scale_factors *sf,
int w, int h,
#if CONFIG_DUAL_FILTER
const INTERP_FILTER *interp_filter,
#else
const INTERP_FILTER interp_filter,
#endif
int xs, int ys,
#if CONFIG_SUPERTX
int wedge_offset_x, int wedge_offset_y,
#endif // CONFIG_SUPERTX
const MACROBLOCKD *xd);
#endif // CONFIG_EXT_INTER
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 :-(
static INLINE 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;
}
static INLINE 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;
}
void vp10_build_inter_predictor_sub8x8(MACROBLOCKD *xd, int plane,
int i, int ir, int ic,
int mi_row, int mi_col);
void vp10_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize);
void vp10_build_inter_predictors_sbp(MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize, int plane);
void vp10_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize);
void vp10_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize);
#if CONFIG_SUPERTX
void vp10_build_inter_predictors_sb_sub8x8_extend(
MACROBLOCKD *xd,
#if CONFIG_EXT_INTER
int mi_row_ori, int mi_col_ori,
#endif // CONFIG_EXT_INTER
int mi_row, int mi_col,
BLOCK_SIZE bsize, int block);
void vp10_build_inter_predictors_sb_extend(
MACROBLOCKD *xd,
#if CONFIG_EXT_INTER
int mi_row_ori, int mi_col_ori,
#endif // CONFIG_EXT_INTER
int mi_row, int mi_col,
BLOCK_SIZE bsize);
struct macroblockd_plane;
void vp10_build_masked_inter_predictor_complex(
MACROBLOCKD *xd,
uint8_t *dst, int dst_stride, uint8_t *dst2, int dst2_stride,
int mi_row, int mi_col, int mi_row_ori, int mi_col_ori,
BLOCK_SIZE bsize, BLOCK_SIZE top_bsize,
PARTITION_TYPE partition, int plane);
#endif // CONFIG_SUPERTX
void vp10_build_inter_predictor(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const MV *mv_q3,
const struct scale_factors *sf,
int w, int h, int do_avg,
#if CONFIG_DUAL_FILTER
const INTERP_FILTER *interp_filter,
#else
const INTERP_FILTER interp_filter,
#endif
enum mv_precision precision,
int x, int y);
#if CONFIG_VP9_HIGHBITDEPTH
void vp10_highbd_build_inter_predictor(const uint8_t *src, int src_stride,
uint8_t *dst, int dst_stride,
const MV *mv_q3,
const struct scale_factors *sf,
int w, int h, int do_avg,
#if CONFIG_DUAL_FILTER
const INTERP_FILTER *interp_filter,
#else
const INTERP_FILTER interp_filter,
#endif
enum mv_precision precision,
int x, int y, int bd);
#endif
static INLINE int scaled_buffer_offset(int x_offset, int y_offset, int stride,
const struct scale_factors *sf) {
const int x = sf ? sf->scale_value_x(x_offset, sf) : x_offset;
const int y = sf ? sf->scale_value_y(y_offset, sf) : y_offset;
return y * stride + x;
}
static INLINE void setup_pred_plane(struct buf_2d *dst,
uint8_t *src, int stride,
int mi_row, int mi_col,
const struct scale_factors *scale,
int subsampling_x, int subsampling_y) {
const int x = (MI_SIZE * mi_col) >> subsampling_x;
const int y = (MI_SIZE * mi_row) >> subsampling_y;
dst->buf = src + scaled_buffer_offset(x, y, stride, scale);
dst->stride = stride;
}
void vp10_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE],
const YV12_BUFFER_CONFIG *src,
int mi_row, int mi_col);
void vp10_setup_pre_planes(MACROBLOCKD *xd, int idx,
const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
const struct scale_factors *sf);
#if CONFIG_DUAL_FILTER
// Detect if the block have sub-pixel level motion vectors
// per component.
static INLINE int has_subpel_mv_component(const MACROBLOCKD *const xd,
int dir) {
MODE_INFO *const mi = xd->mi[0];
MB_MODE_INFO *const mbmi = &mi->mbmi;
const BLOCK_SIZE bsize = mbmi->sb_type;
int plane;
int ref = (dir >> 1);
if (bsize >= BLOCK_8X8) {
if (dir & 0x01) {
if (mbmi->mv[ref].as_mv.col & SUBPEL_MASK)
return 1;
} else {
if (mbmi->mv[ref].as_mv.row & SUBPEL_MASK)
return 1;
}
} else {
for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
const PARTITION_TYPE bp = BLOCK_8X8 - bsize;
const struct macroblockd_plane *const pd = &xd->plane[plane];
const int have_vsplit = bp != PARTITION_HORZ;
const int have_hsplit = bp != PARTITION_VERT;
const int num_4x4_w = 2 >> ((!have_vsplit) | pd->subsampling_x);
const int num_4x4_h = 2 >> ((!have_hsplit) | pd->subsampling_y);
int x, y;
for (y = 0; y < num_4x4_h; ++y) {
for (x = 0; x < num_4x4_w; ++x) {
const MV mv = average_split_mvs(pd, mi, ref, y * 2 + x);
if (dir & 0x01) {
if (mv.col & SUBPEL_MASK)
return 1;
} else {
if (mv.row & SUBPEL_MASK)
return 1;
}
}
}
}
}
return 0;
}
#endif
#if CONFIG_EXT_INTERP
static INLINE int vp10_is_interp_needed(const MACROBLOCKD *const xd) {
MODE_INFO *const mi = xd->mi[0];
MB_MODE_INFO *const mbmi = &mi->mbmi;
const BLOCK_SIZE bsize = mbmi->sb_type;
const int is_compound = has_second_ref(mbmi);
int intpel_mv = 1;
int plane;
#if SUPPORT_NONINTERPOLATING_FILTERS
// TODO(debargha): This is is currently only for experimentation
// with non-interpolating filters. Remove later.
// If any of the filters are non-interpolating, then indicate the
// interpolation filter always.
int i;
for (i = 0; i < SWITCHABLE_FILTERS; ++i) {
if (!IsInterpolatingFilter(i)) return 1;
}
#endif
// For scaled references, interpolation filter is indicated all the time.
if (vp10_is_scaled(&xd->block_refs[0]->sf))
return 1;
if (is_compound && vp10_is_scaled(&xd->block_refs[1]->sf))
return 1;
if (bsize < BLOCK_8X8) {
for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
const PARTITION_TYPE bp = BLOCK_8X8 - bsize;
const struct macroblockd_plane *const pd = &xd->plane[plane];
const int have_vsplit = bp != PARTITION_HORZ;
const int have_hsplit = bp != PARTITION_VERT;
const int num_4x4_w = 2 >> ((!have_vsplit) | pd->subsampling_x);
const int num_4x4_h = 2 >> ((!have_hsplit) | pd->subsampling_y);
int ref;
for (ref = 0; ref < 1 + is_compound; ++ref) {
int x, y;
for (y = 0; y < num_4x4_h; ++y)
for (x = 0; x < num_4x4_w; ++x) {
const MV mv = average_split_mvs(pd, mi, ref, y * 2 + x);
if (mv_has_subpel(&mv))
return 1;
}
}
}
return 0;
} else {
intpel_mv = !mv_has_subpel(&mbmi->mv[0].as_mv);
if (is_compound && intpel_mv) {
intpel_mv &= !mv_has_subpel(&mbmi->mv[1].as_mv);
}
}
return !intpel_mv;
}
#endif // CONFIG_EXT_INTERP
#if CONFIG_OBMC
void setup_obmc_mask(int length, const uint8_t *mask[2]);
void vp10_build_obmc_inter_prediction(VP10_COMMON *cm,
MACROBLOCKD *xd, int mi_row, int mi_col,
int use_tmp_dst_buf,
uint8_t *final_buf[MAX_MB_PLANE],
int final_stride[MAX_MB_PLANE],
uint8_t *tmp_buf1[MAX_MB_PLANE],
int tmp_stride1[MAX_MB_PLANE],
uint8_t *tmp_buf2[MAX_MB_PLANE],
int tmp_stride2[MAX_MB_PLANE]);
void vp10_build_prediction_by_above_preds(VP10_COMMON *cm,
MACROBLOCKD *xd,
int mi_row, int mi_col,
uint8_t *tmp_buf[MAX_MB_PLANE],
int tmp_stride[MAX_MB_PLANE]);
void vp10_build_prediction_by_left_preds(VP10_COMMON *cm,
MACROBLOCKD *xd,
int mi_row, int mi_col,
uint8_t *tmp_buf[MAX_MB_PLANE],
int tmp_stride[MAX_MB_PLANE]);
#endif // CONFIG_OBMC
#if CONFIG_EXT_INTER
#define MASK_MASTER_SIZE (2 * MAX_SB_SIZE)
#define MASK_MASTER_STRIDE (2 * MAX_SB_SIZE)
void vp10_init_wedge_masks();
const uint8_t *vp10_get_soft_mask(int wedge_index,
int wedge_sign,
BLOCK_SIZE sb_type,
int wedge_offset_x,
int wedge_offset_y);
void vp10_build_interintra_predictors(MACROBLOCKD *xd,
uint8_t *ypred,
uint8_t *upred,
uint8_t *vpred,
int ystride,
int ustride,
int vstride,
BLOCK_SIZE bsize);
void vp10_build_interintra_predictors_sby(MACROBLOCKD *xd,
uint8_t *ypred,
int ystride,
BLOCK_SIZE bsize);
void vp10_build_interintra_predictors_sbc(MACROBLOCKD *xd,
uint8_t *upred,
int ustride,
int plane,
BLOCK_SIZE bsize);
void vp10_build_interintra_predictors_sbuv(MACROBLOCKD *xd,
uint8_t *upred,
uint8_t *vpred,
int ustride, int vstride,
BLOCK_SIZE bsize);
void vp10_build_intra_predictors_for_interintra(
MACROBLOCKD *xd,
BLOCK_SIZE bsize, int plane,
uint8_t *intra_pred, int intra_stride);
void vp10_combine_interintra(
MACROBLOCKD *xd,
BLOCK_SIZE bsize, int plane,
uint8_t *inter_pred, int inter_stride,
uint8_t *intra_pred, int intra_stride);
void vp10_build_interintra_predictors_sbuv(MACROBLOCKD *xd,
uint8_t *upred,
uint8_t *vpred,
int ustride, int vstride,
BLOCK_SIZE bsize);
void vp10_build_interintra_predictors_sby(MACROBLOCKD *xd,
uint8_t *ypred,
int ystride,
BLOCK_SIZE bsize);
// Encoder only
void vp10_build_inter_predictors_for_planes_single_buf(
MACROBLOCKD *xd, BLOCK_SIZE bsize,
int plane_from, int plane_to,
int mi_row, int mi_col, int ref,
uint8_t *ext_dst[3], int ext_dst_stride[3]);
void vp10_build_wedge_inter_predictor_from_buf(
MACROBLOCKD *xd, BLOCK_SIZE bsize,
int plane_from, int plane_to,
int mi_row, int mi_col,
uint8_t *ext_dst0[3], int ext_dst_stride0[3],
uint8_t *ext_dst1[3], int ext_dst_stride1[3]);
#endif // CONFIG_EXT_INTER
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP10_COMMON_RECONINTER_H_
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