summaryrefslogtreecommitdiff
path: root/third_party/aom/av1/common/reconinter.h
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/aom/av1/common/reconinter.h')
-rw-r--r--third_party/aom/av1/common/reconinter.h828
1 files changed, 828 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/reconinter.h b/third_party/aom/av1/common/reconinter.h
new file mode 100644
index 0000000000..10933a751c
--- /dev/null
+++ b/third_party/aom/av1/common/reconinter.h
@@ -0,0 +1,828 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#ifndef AV1_COMMON_RECONINTER_H_
+#define AV1_COMMON_RECONINTER_H_
+
+#include "av1/common/filter.h"
+#include "av1/common/onyxc_int.h"
+#include "av1/common/convolve.h"
+#if CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+#include "av1/common/warped_motion.h"
+#endif // CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+#include "aom/aom_integer.h"
+
+#if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+#define WARP_WM_NEIGHBORS_WITH_OBMC 0
+#endif // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+
+#if CONFIG_MOTION_VAR && CONFIG_GLOBAL_MOTION
+#define WARP_GM_NEIGHBORS_WITH_OBMC 0
+#endif // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
+
+#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,
+ ConvolveParams *conv_params,
+#if CONFIG_DUAL_FILTER
+ const InterpFilter *interp_filter,
+#else
+ const InterpFilter interp_filter,
+#endif
+ int xs, int ys) {
+#if CONFIG_DUAL_FILTER
+ InterpFilter filter_x = av1_get_plane_interp_filter(
+ interp_filter[1 + 2 * conv_params->ref], conv_params->plane);
+ InterpFilter filter_y = av1_get_plane_interp_filter(
+ interp_filter[0 + 2 * conv_params->ref], conv_params->plane);
+ InterpFilterParams interp_filter_params_x =
+ av1_get_interp_filter_params(filter_x);
+ InterpFilterParams interp_filter_params_y =
+ av1_get_interp_filter_params(filter_y);
+#else
+ InterpFilterParams interp_filter_params =
+ av1_get_interp_filter_params(interp_filter);
+#endif
+
+ assert(sf);
+#if CONFIG_DUAL_FILTER
+ if (interp_filter_params_x.taps == SUBPEL_TAPS &&
+ interp_filter_params_y.taps == SUBPEL_TAPS && w > 2 && h > 2 &&
+ conv_params->round == CONVOLVE_OPT_ROUND && xs == 16 && ys == 16) {
+ const int16_t *kernel_x =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params_x, subpel_x);
+ const int16_t *kernel_y =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params_y, subpel_y);
+#else
+ if (interp_filter_params.taps == SUBPEL_TAPS && w > 2 && h > 2 &&
+ conv_params->round == CONVOLVE_OPT_ROUND && xs == 16 && ys == 16) {
+ const int16_t *kernel_x =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params, subpel_x);
+ const int16_t *kernel_y =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params, subpel_y);
+#endif
+ sf->predict[subpel_x != 0][subpel_y != 0][conv_params->ref](
+ src, src_stride, dst, dst_stride, kernel_x, xs, kernel_y, ys, w, h);
+ } 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
+#if CONFIG_CONVOLVE_ROUND
+ if (conv_params->round == CONVOLVE_OPT_NO_ROUND && xs == 16 && ys == 16)
+ av1_convolve_2d_facade(src, src_stride, dst, dst_stride, w, h,
+#if CONFIG_DUAL_FILTER
+ interp_filter,
+#else
+ &interp_filter,
+#endif
+ subpel_x, xs, subpel_y, ys, conv_params);
+ else
+#endif
+ {
+ if (xs == 16 && ys == 16) {
+ av1_convolve(src, src_stride, dst, dst_stride, w, h, interp_filter,
+ subpel_x, xs, subpel_y, ys, conv_params);
+ } else {
+ // If xs == 16 || ys == 16 scaling is happening and the SSE2
+ // instructions don't support scaling; use the C versions to be safe.
+ av1_convolve_c(src, src_stride, dst, dst_stride, w, h, interp_filter,
+ subpel_x, xs, subpel_y, ys, conv_params);
+ }
+ }
+ }
+}
+
+#if CONFIG_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 InterpFilter *interp_filter,
+#else
+ const InterpFilter interp_filter,
+#endif
+ int xs, int ys, int bd) {
+#if CONFIG_DUAL_FILTER
+ InterpFilterParams interp_filter_params_x =
+ av1_get_interp_filter_params(interp_filter[1 + 2 * ref]);
+ InterpFilterParams interp_filter_params_y =
+ av1_get_interp_filter_params(interp_filter[0 + 2 * ref]);
+#else
+ InterpFilterParams interp_filter_params =
+ av1_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 && w > 2 && h > 2) {
+ const int16_t *kernel_x =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params_x, subpel_x);
+ const int16_t *kernel_y =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params_y, subpel_y);
+#else
+ if (interp_filter_params.taps == SUBPEL_TAPS && w > 2 && h > 2) {
+ const int16_t *kernel_x =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params, subpel_x);
+ const int16_t *kernel_y =
+ av1_get_interp_filter_subpel_kernel(interp_filter_params, subpel_y);
+#endif // CONFIG_DUAL_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 {
+ // 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;
+ av1_highbd_convolve(src, src_stride, dst, dst_stride, w, h, interp_filter,
+ subpel_x, xs, subpel_y, ys, avg, bd);
+ }
+}
+#endif // CONFIG_HIGHBITDEPTH
+
+#if CONFIG_EXT_INTER
+// Set to (1 << 5) if the 32-ary codebooks are used for any bock size
+#define MAX_WEDGE_TYPES (1 << 4)
+
+#define MAX_WEDGE_SIZE_LOG2 5 // 32x32
+#define MAX_WEDGE_SIZE (1 << MAX_WEDGE_SIZE_LOG2)
+#define MAX_WEDGE_SQUARE (MAX_WEDGE_SIZE * MAX_WEDGE_SIZE)
+
+#define WEDGE_WEIGHT_BITS 6
+
+#define WEDGE_NONE -1
+
+// Angles are with respect to horizontal anti-clockwise
+typedef enum {
+ WEDGE_HORIZONTAL = 0,
+ WEDGE_VERTICAL = 1,
+ WEDGE_OBLIQUE27 = 2,
+ WEDGE_OBLIQUE63 = 3,
+ WEDGE_OBLIQUE117 = 4,
+ WEDGE_OBLIQUE153 = 5,
+ WEDGE_DIRECTIONS
+} WedgeDirectionType;
+
+// 3-tuple: {direction, x_offset, y_offset}
+typedef struct {
+ WedgeDirectionType direction;
+ int x_offset;
+ int y_offset;
+} wedge_code_type;
+
+typedef uint8_t *wedge_masks_type[MAX_WEDGE_TYPES];
+
+typedef struct {
+ int bits;
+ const wedge_code_type *codebook;
+ uint8_t *signflip;
+ int smoother;
+ wedge_masks_type *masks;
+} wedge_params_type;
+
+extern const wedge_params_type wedge_params_lookup[BLOCK_SIZES];
+
+static INLINE int is_interinter_compound_used(COMPOUND_TYPE type,
+ BLOCK_SIZE sb_type) {
+ (void)sb_type;
+ switch (type) {
+ case COMPOUND_AVERAGE: return 1;
+#if CONFIG_WEDGE
+ case COMPOUND_WEDGE: return wedge_params_lookup[sb_type].bits > 0;
+#endif // CONFIG_WEDGE
+#if CONFIG_COMPOUND_SEGMENT
+ case COMPOUND_SEG: return sb_type >= BLOCK_8X8;
+#endif // CONFIG_COMPOUND_SEGMENT
+ default: assert(0); return 0;
+ }
+}
+
+static INLINE int is_any_masked_compound_used(BLOCK_SIZE sb_type) {
+ COMPOUND_TYPE comp_type;
+ for (comp_type = 0; comp_type < COMPOUND_TYPES; comp_type++) {
+ if (is_masked_compound_type(comp_type) &&
+ is_interinter_compound_used(comp_type, sb_type))
+ return 1;
+ }
+ return 0;
+}
+
+static INLINE int get_wedge_bits_lookup(BLOCK_SIZE sb_type) {
+ return wedge_params_lookup[sb_type].bits;
+}
+
+static INLINE int get_interinter_wedge_bits(BLOCK_SIZE sb_type) {
+ const int wbits = wedge_params_lookup[sb_type].bits;
+ return (wbits > 0) ? wbits + 1 : 0;
+}
+
+static INLINE int is_interintra_wedge_used(BLOCK_SIZE sb_type) {
+ (void)sb_type;
+ return wedge_params_lookup[sb_type].bits > 0;
+}
+
+static INLINE int get_interintra_wedge_bits(BLOCK_SIZE sb_type) {
+ return wedge_params_lookup[sb_type].bits;
+}
+
+#if CONFIG_COMPOUND_SEGMENT
+void build_compound_seg_mask(uint8_t *mask, SEG_MASK_TYPE mask_type,
+ const uint8_t *src0, int src0_stride,
+ const uint8_t *src1, int src1_stride,
+ BLOCK_SIZE sb_type, int h, int w);
+#if CONFIG_HIGHBITDEPTH
+void build_compound_seg_mask_highbd(uint8_t *mask, SEG_MASK_TYPE mask_type,
+ const uint8_t *src0, int src0_stride,
+ const uint8_t *src1, int src1_stride,
+ BLOCK_SIZE sb_type, int h, int w, int bd);
+#endif // CONFIG_HIGHBITDEPTH
+#endif // CONFIG_COMPOUND_SEGMENT
+#endif // CONFIG_EXT_INTER
+
+void build_inter_predictors(MACROBLOCKD *xd, int plane,
+#if CONFIG_MOTION_VAR
+ int mi_col_offset, int mi_row_offset,
+#endif // CONFIG_MOTION_VAR
+ 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);
+
+#if CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+// This function will determine whether or not to create a warped
+// prediction and return the appropriate motion model depending
+// on the configuration. Behavior will change with different
+// combinations of GLOBAL_MOTION, WARPED_MOTION and MOTION_VAR.
+static INLINE int allow_warp(const MODE_INFO *const mi,
+ const WarpTypesAllowed *const warp_types,
+#if CONFIG_GLOBAL_MOTION
+ const WarpedMotionParams *const gm_params,
+#endif // CONFIG_GLOBAL_MOTION
+#if CONFIG_MOTION_VAR
+ int mi_col_offset, int mi_row_offset,
+#endif // CONFIG_MOTION_VAR
+ WarpedMotionParams *final_warp_params) {
+ const MB_MODE_INFO *const mbmi = &mi->mbmi;
+ set_default_warp_params(final_warp_params);
+
+// Only global motion configured
+#if CONFIG_GLOBAL_MOTION && !CONFIG_WARPED_MOTION && !CONFIG_MOTION_VAR
+ (void)mbmi;
+ if (warp_types->global_warp_allowed) {
+ memcpy(final_warp_params, gm_params, sizeof(*final_warp_params));
+ return 1;
+ }
+#endif // CONFIG_GLOBAL_MOTION && !CONFIG_WARPED_MOTION && !CONFIG_MOTION_VAR
+
+// Only warped motion configured
+#if CONFIG_WARPED_MOTION && !CONFIG_GLOBAL_MOTION && !CONFIG_MOTION_VAR
+ if (warp_types->local_warp_allowed) {
+ memcpy(final_warp_params, &mbmi->wm_params[0], sizeof(*final_warp_params));
+ return 1;
+ }
+#endif // CONFIG_WARPED_MOTION && !CONFIG_GLOBAL_MOTION && !CONFIG_MOTION_VAR
+
+// Warped and global motion configured
+#if CONFIG_GLOBAL_MOTION && CONFIG_WARPED_MOTION && !CONFIG_MOTION_VAR
+ // When both are enabled, warped will take priority. The global parameters
+ // will only be used to compute projection samples to find the warped model.
+ // Note that, if SEPARATE_GLOBAL_MOTION is enabled and a block chooses
+ // global, it will not be possible to select WARPED_CAUSAL.
+ if (warp_types->local_warp_allowed) {
+ memcpy(final_warp_params, &mbmi->wm_params[0], sizeof(*final_warp_params));
+ return 1;
+ } else if (warp_types->global_warp_allowed) {
+ memcpy(final_warp_params, gm_params, sizeof(*final_warp_params));
+ return 1;
+ }
+#endif // CONFIG_GLOBAL_MOTION && CONFIG_WARPED_MOTION && !CONFIG_MOTION_VAR
+
+// Motion var and global motion configured
+#if CONFIG_GLOBAL_MOTION && CONFIG_MOTION_VAR && !CONFIG_WARPED_MOTION
+ // We warp if either case is true:
+ // 1.) We are predicting a block which uses global motion
+ // 2.) We are predicting a neighboring block of a block using OBMC,
+ // the neighboring block uses global motion, and we have enabled
+ // WARP_GM_NEIGHBORS_WITH_OBMC
+ const int build_for_obmc = !(mi_col_offset == 0 && mi_row_offset == 0);
+ (void)mbmi;
+ if (warp_types->global_warp_allowed &&
+ (WARP_GM_NEIGHBORS_WITH_OBMC || !build_for_obmc)) {
+ memcpy(final_warp_params, gm_params, sizeof(*final_warp_params));
+ return 1;
+ }
+#endif // CONFIG_GLOBAL_MOTION && CONFIG_MOTION_VAR && !CONFIG_WARPED_MOTION
+
+// Motion var and warped motion configured
+#if CONFIG_WARPED_MOTION && CONFIG_MOTION_VAR && !CONFIG_GLOBAL_MOTION
+ // We warp if either case is true:
+ // 1.) We are predicting a block with motion mode WARPED_CAUSAL
+ // 2.) We are predicting a neighboring block of a block using OBMC,
+ // the neighboring block has mode WARPED_CAUSAL, and we have enabled
+ // WARP_WM_NEIGHBORS_WITH_OBMC
+ const int build_for_obmc = !(mi_col_offset == 0 && mi_row_offset == 0);
+ if (warp_types->local_warp_allowed) {
+ if ((build_for_obmc && WARP_WM_NEIGHBORS_WITH_OBMC) || (!build_for_obmc)) {
+ memcpy(final_warp_params, &mbmi->wm_params[0],
+ sizeof(*final_warp_params));
+ return 1;
+ }
+ }
+#endif // CONFIG_WARPED_MOTION && CONFIG_MOTION_VAR && !CONFIG_GLOBAL_MOTION
+
+// Motion var, warped motion and global motion all configured
+#if CONFIG_WARPED_MOTION && CONFIG_MOTION_VAR && CONFIG_GLOBAL_MOTION
+ const int build_for_obmc = !(mi_col_offset == 0 && mi_row_offset == 0);
+ if (warp_types->local_warp_allowed) {
+ if ((build_for_obmc && WARP_WM_NEIGHBORS_WITH_OBMC) || (!build_for_obmc)) {
+ memcpy(final_warp_params, &mbmi->wm_params[0],
+ sizeof(*final_warp_params));
+ return 1;
+ }
+ } else if (warp_types->global_warp_allowed &&
+ (WARP_GM_NEIGHBORS_WITH_OBMC || !build_for_obmc)) {
+ memcpy(final_warp_params, gm_params, sizeof(*final_warp_params));
+ return 1;
+ }
+#endif // CONFIG_WARPED_MOTION && CONFIG_MOTION_VAR && CONFIG_GLOBAL_MOTION
+
+ return 0;
+}
+#endif // CONFIG_GLOBAL_MOTION ||CONFIG_WARPED_MOTION
+
+static INLINE void av1_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, ConvolveParams *conv_params,
+#if CONFIG_DUAL_FILTER
+ const InterpFilter *interp_filter,
+#else
+ const InterpFilter interp_filter,
+#endif
+#if CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+ const WarpTypesAllowed *warp_types, int p_col, int p_row, int plane,
+ int ref,
+#endif // CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+#if CONFIG_MOTION_VAR
+ int mi_col_offset, int mi_row_offset,
+#endif
+ int xs, int ys, const MACROBLOCKD *xd) {
+ (void)xd;
+
+#if CONFIG_MOTION_VAR
+ const MODE_INFO *mi = xd->mi[mi_col_offset + xd->mi_stride * mi_row_offset];
+#else
+ const MODE_INFO *mi = xd->mi[0];
+ (void)mi;
+#endif // CONFIG_MOTION_VAR
+
+// Make sure the selected motion mode is valid for this configuration
+#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
+ assert_motion_mode_valid(mi->mbmi.motion_mode,
+#if CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION
+ 0, xd->global_motion,
+#endif // CONFIG_GLOBAL_MOTION && SEPARATE_GLOBAL_MOTION
+ mi);
+#endif // CONFIG MOTION_VAR || CONFIG_WARPED_MOTION
+
+#if CONFIG_WARPED_MOTION || CONFIG_GLOBAL_MOTION
+ WarpedMotionParams final_warp_params;
+ const int do_warp = allow_warp(mi, warp_types,
+#if CONFIG_GLOBAL_MOTION
+ &xd->global_motion[mi->mbmi.ref_frame[ref]],
+#endif // CONFIG_GLOBAL_MOTION
+#if CONFIG_MOTION_VAR
+ mi_col_offset, mi_row_offset,
+#endif // CONFIG_MOTION_VAR
+ &final_warp_params);
+ if (do_warp) {
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const struct buf_2d *const pre_buf = &pd->pre[ref];
+ av1_warp_plane(&final_warp_params,
+#if CONFIG_HIGHBITDEPTH
+ xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH, xd->bd,
+#endif // CONFIG_HIGHBITDEPTH
+ pre_buf->buf0, pre_buf->width, pre_buf->height,
+ pre_buf->stride, dst, p_col, p_row, w, h, dst_stride,
+ pd->subsampling_x, pd->subsampling_y, xs, ys, ref);
+ return;
+ }
+#endif // CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+#if CONFIG_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, conv_params->ref, interp_filter, xs, ys,
+ xd->bd);
+ return;
+ }
+#endif // CONFIG_HIGHBITDEPTH
+ inter_predictor(src, src_stride, dst, dst_stride, subpel_x, subpel_y, sf, w,
+ h, conv_params, interp_filter, xs, ys);
+}
+
+#if CONFIG_EXT_INTER
+void av1_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 InterpFilter *interp_filter,
+#else
+ const InterpFilter interp_filter,
+#endif
+ int xs, int ys,
+#if CONFIG_SUPERTX
+ int wedge_offset_x, int wedge_offset_y,
+#endif // CONFIG_SUPERTX
+ int plane,
+#if CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+ const WarpTypesAllowed *warp_types,
+ int p_col, int p_row, int ref,
+#endif // CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+ 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 = (AOM_INTERP_EXTEND + bw) << SUBPEL_BITS;
+ const int spel_right = spel_left - SUBPEL_SHIFTS;
+ const int spel_top = (AOM_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 av1_build_inter_predictor_sub8x8(MACROBLOCKD *xd, int plane, int i, int ir,
+ int ic, int mi_row, int mi_col);
+
+void av1_build_inter_predictors_sby(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BUFFER_SET *ctx, BLOCK_SIZE bsize);
+
+void av1_build_inter_predictors_sbuv(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BUFFER_SET *ctx, BLOCK_SIZE bsize);
+
+void av1_build_inter_predictors_sb(MACROBLOCKD *xd, int mi_row, int mi_col,
+ BUFFER_SET *ctx, BLOCK_SIZE bsize);
+
+#if CONFIG_SUPERTX
+void av1_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 av1_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 av1_build_masked_inter_predictor_complex(
+ MACROBLOCKD *xd, uint8_t *dst, int dst_stride, const uint8_t *pre,
+ int pre_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 av1_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,
+ ConvolveParams *conv_params,
+#if CONFIG_DUAL_FILTER
+ const InterpFilter *interp_filter,
+#else
+ const InterpFilter interp_filter,
+#endif
+#if CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+ const WarpTypesAllowed *warp_types, int p_col,
+ int p_row, int plane, int ref,
+#endif // CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+ enum mv_precision precision, int x, int y,
+ const MACROBLOCKD *xd);
+
+#if CONFIG_HIGHBITDEPTH
+void av1_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 InterpFilter *interp_filter,
+#else
+ const InterpFilter interp_filter,
+#endif
+#if CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+ const WarpTypesAllowed *warp_types, int p_col, int p_row,
+#endif // CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
+ int plane, enum mv_precision precision, int x, int y,
+ const MACROBLOCKD *xd);
+#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, BLOCK_SIZE bsize,
+ uint8_t *src, int width, int height,
+ int stride, int mi_row, int mi_col,
+ const struct scale_factors *scale,
+ int subsampling_x, int subsampling_y) {
+#if CONFIG_CHROMA_SUB8X8
+ if (bsize < BLOCK_8X8) {
+ // Offset the buffer pointer
+ if (subsampling_y && (mi_row & 0x01)) mi_row -= 1;
+ if (subsampling_x && (mi_col & 0x01)) mi_col -= 1;
+ }
+#else
+ (void)bsize;
+#endif
+
+ 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->buf0 = src;
+ dst->width = width;
+ dst->height = height;
+ dst->stride = stride;
+}
+
+void av1_setup_dst_planes(struct macroblockd_plane planes[MAX_MB_PLANE],
+ BLOCK_SIZE bsize, const YV12_BUFFER_CONFIG *src,
+ int mi_row, int mi_col);
+
+void av1_setup_pre_planes(MACROBLOCKD *xd, int idx,
+ const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
+ const struct scale_factors *sf);
+
+// Detect if the block have sub-pixel level motion vectors
+// per component.
+#define CHECK_SUBPEL 0
+static INLINE int has_subpel_mv_component(const MODE_INFO *const mi,
+ const MACROBLOCKD *const xd,
+ int dir) {
+#if CHECK_SUBPEL
+ const MB_MODE_INFO *const mbmi = &mi->mbmi;
+ const BLOCK_SIZE bsize = mbmi->sb_type;
+ int plane;
+ int ref = (dir >> 1);
+#if CONFIG_CB4X4
+ const int unify_bsize = 1;
+#else
+ const int unify_bsize = 0;
+#endif
+
+ if (bsize >= BLOCK_8X8 || unify_bsize) {
+ 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;
+#else
+ (void)mi;
+ (void)xd;
+ (void)dir;
+ return 1;
+#endif
+}
+
+static INLINE void set_default_interp_filters(
+ MB_MODE_INFO *const mbmi, InterpFilter frame_interp_filter) {
+#if CONFIG_DUAL_FILTER
+ int dir;
+ for (dir = 0; dir < 4; ++dir)
+ mbmi->interp_filter[dir] = frame_interp_filter == SWITCHABLE
+ ? EIGHTTAP_REGULAR
+ : frame_interp_filter;
+#else
+ mbmi->interp_filter = frame_interp_filter == SWITCHABLE ? EIGHTTAP_REGULAR
+ : frame_interp_filter;
+#endif // CONFIG_DUAL_FILTER
+}
+
+static INLINE int av1_is_interp_needed(const MACROBLOCKD *const xd) {
+ (void)xd;
+#if CONFIG_WARPED_MOTION
+ const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ if (mbmi->motion_mode == WARPED_CAUSAL) return 0;
+#endif // CONFIG_WARPED_MOTION
+#if CONFIG_GLOBAL_MOTION
+ if (is_nontrans_global_motion(xd)) return 0;
+#endif // CONFIG_GLOBAL_MOTION
+ return 1;
+}
+
+static INLINE int av1_is_interp_search_needed(const MACROBLOCKD *const xd) {
+ MODE_INFO *const mi = xd->mi[0];
+ const int is_compound = has_second_ref(&mi->mbmi);
+ int ref;
+ for (ref = 0; ref < 1 + is_compound; ++ref) {
+ int row_col;
+ for (row_col = 0; row_col < 2; ++row_col) {
+ const int dir = (ref << 1) + row_col;
+ if (has_subpel_mv_component(mi, xd, dir)) {
+ return 1;
+ }
+ }
+ }
+ return 0;
+}
+
+#if CONFIG_MOTION_VAR
+const uint8_t *av1_get_obmc_mask(int length);
+void av1_count_overlappable_neighbors(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col);
+void av1_build_obmc_inter_prediction(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col,
+ uint8_t *above[MAX_MB_PLANE],
+ int above_stride[MAX_MB_PLANE],
+ uint8_t *left[MAX_MB_PLANE],
+ int left_stride[MAX_MB_PLANE]);
+void av1_build_prediction_by_above_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col,
+ uint8_t *tmp_buf[MAX_MB_PLANE],
+ int tmp_width[MAX_MB_PLANE],
+ int tmp_height[MAX_MB_PLANE],
+ int tmp_stride[MAX_MB_PLANE]);
+void av1_build_prediction_by_left_preds(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col,
+ uint8_t *tmp_buf[MAX_MB_PLANE],
+ int tmp_width[MAX_MB_PLANE],
+ int tmp_height[MAX_MB_PLANE],
+ int tmp_stride[MAX_MB_PLANE]);
+void av1_build_obmc_inter_predictors_sb(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col);
+#if CONFIG_NCOBMC
+void av1_build_ncobmc_inter_predictors_sb(const AV1_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col);
+#endif
+#endif // CONFIG_MOTION_VAR
+
+#if CONFIG_EXT_INTER
+#define MASK_MASTER_SIZE ((MAX_WEDGE_SIZE) << 1)
+#define MASK_MASTER_STRIDE (MASK_MASTER_SIZE)
+
+void av1_init_wedge_masks();
+
+static INLINE const uint8_t *av1_get_contiguous_soft_mask(int wedge_index,
+ int wedge_sign,
+ BLOCK_SIZE sb_type) {
+ return wedge_params_lookup[sb_type].masks[wedge_sign][wedge_index];
+}
+
+const uint8_t *av1_get_soft_mask(int wedge_index, int wedge_sign,
+ BLOCK_SIZE sb_type, int wedge_offset_x,
+ int wedge_offset_y);
+
+const uint8_t *av1_get_compound_type_mask_inverse(
+ const INTERINTER_COMPOUND_DATA *const comp_data,
+#if CONFIG_COMPOUND_SEGMENT
+ uint8_t *mask_buffer, int h, int w, int stride,
+#endif
+ BLOCK_SIZE sb_type);
+
+const uint8_t *av1_get_compound_type_mask(
+ const INTERINTER_COMPOUND_DATA *const comp_data, BLOCK_SIZE sb_type);
+
+void av1_build_interintra_predictors(MACROBLOCKD *xd, uint8_t *ypred,
+ uint8_t *upred, uint8_t *vpred,
+ int ystride, int ustride, int vstride,
+ BUFFER_SET *ctx, BLOCK_SIZE bsize);
+void av1_build_interintra_predictors_sby(MACROBLOCKD *xd, uint8_t *ypred,
+ int ystride, BUFFER_SET *ctx,
+ BLOCK_SIZE bsize);
+void av1_build_interintra_predictors_sbc(MACROBLOCKD *xd, uint8_t *upred,
+ int ustride, BUFFER_SET *ctx,
+ int plane, BLOCK_SIZE bsize);
+void av1_build_interintra_predictors_sbuv(MACROBLOCKD *xd, uint8_t *upred,
+ uint8_t *vpred, int ustride,
+ int vstride, BUFFER_SET *ctx,
+ BLOCK_SIZE bsize);
+
+void av1_build_intra_predictors_for_interintra(MACROBLOCKD *xd,
+ BLOCK_SIZE bsize, int plane,
+ BUFFER_SET *ctx,
+ uint8_t *intra_pred,
+ int intra_stride);
+void av1_combine_interintra(MACROBLOCKD *xd, BLOCK_SIZE bsize, int plane,
+ const uint8_t *inter_pred, int inter_stride,
+ const uint8_t *intra_pred, int intra_stride);
+
+// Encoder only
+void av1_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 av1_build_wedge_inter_predictor_from_buf(
+ MACROBLOCKD *xd, BLOCK_SIZE bsize, int plane_from, int plane_to,
+#if CONFIG_SUPERTX
+ int wedge_offset_x, int wedge_offset_y,
+#endif // CONFIG_SUPERTX
+ 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 // AV1_COMMON_RECONINTER_H_