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Update aom to v1.0.0

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Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
This commit is contained in:
trav90 2018-10-19 21:52:15 -05:00 • committed by Roy Tam
commit 48f6d2e034
1087 changed files with 154333 additions and 265310 deletions
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443
third_party/aom/av1/common/mvref_common.h vendored
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@ -18,103 +18,36 @@
extern "C" {
#endif
#define MVREF_NEIGHBOURS 9
#define MVREF_ROWS 3
#define MVREF_COLS 4
#define MVREF_ROW_COLS 3
// Set the upper limit of the motion vector component magnitude.
// This would make a motion vector fit in 26 bits. Plus 3 bits for the
// reference frame index. A tuple of motion vector can hence be stored within
// 32 bit range for efficient load/store operations.
#define REFMVS_LIMIT ((1 << 12) - 1)
typedef struct position {
int row;
int col;
} POSITION;
typedef enum {
BOTH_ZERO = 0,
ZERO_PLUS_PREDICTED = 1,
BOTH_PREDICTED = 2,
NEW_PLUS_NON_INTRA = 3,
BOTH_NEW = 4,
INTRA_PLUS_NON_INTRA = 5,
BOTH_INTRA = 6,
INVALID_CASE = 9
} motion_vector_context;
// This is used to figure out a context for the ref blocks. The code flattens
// an array that would have 3 possible counts (0, 1 & 2) for 3 choices by
// adding 9 for each intra block, 3 for each zero mv and 1 for each new
// motion vector. This single number is then converted into a context
// with a single lookup ( counter_to_context ).
static const int mode_2_counter[] = {
9, // DC_PRED
9, // V_PRED
9, // H_PRED
9, // D45_PRED
9, // D135_PRED
9, // D117_PRED
9, // D153_PRED
9, // D207_PRED
9, // D63_PRED
9, // SMOOTH_PRED
#if CONFIG_SMOOTH_HV
9, // SMOOTH_V_PRED
9, // SMOOTH_H_PRED
#endif // CONFIG_SMOOTH_HV
9, // TM_PRED
0, // NEARESTMV
0, // NEARMV
3, // ZEROMV
1, // NEWMV
#if CONFIG_COMPOUND_SINGLEREF
0, // SR_NEAREST_NEARMV
// 1, // SR_NEAREST_NEWMV
1, // SR_NEAR_NEWMV
3, // SR_ZERO_NEWMV
1, // SR_NEW_NEWMV
#endif // CONFIG_COMPOUND_SINGLEREF
0, // NEAREST_NEARESTMV
0, // NEAR_NEARMV
1, // NEAREST_NEWMV
1, // NEW_NEARESTMV
1, // NEAR_NEWMV
1, // NEW_NEARMV
3, // ZERO_ZEROMV
1, // NEW_NEWMV
};
// There are 3^3 different combinations of 3 counts that can be either 0,1 or
// 2. However the actual count can never be greater than 2 so the highest
// counter we need is 18. 9 is an invalid counter that's never used.
static const int counter_to_context[19] = {
BOTH_PREDICTED, // 0
NEW_PLUS_NON_INTRA, // 1
BOTH_NEW, // 2
ZERO_PLUS_PREDICTED, // 3
NEW_PLUS_NON_INTRA, // 4
INVALID_CASE, // 5
BOTH_ZERO, // 6
INVALID_CASE, // 7
INVALID_CASE, // 8
INTRA_PLUS_NON_INTRA, // 9
INTRA_PLUS_NON_INTRA, // 10
INVALID_CASE, // 11
INTRA_PLUS_NON_INTRA, // 12
INVALID_CASE, // 13
INVALID_CASE, // 14
INVALID_CASE, // 15
INVALID_CASE, // 16
INVALID_CASE, // 17
BOTH_INTRA // 18
};
static const int idx_n_column_to_subblock[4][2] = {
{ 1, 2 }, { 1, 3 }, { 3, 2 }, { 3, 3 }
};
// clamp_mv_ref
#if CONFIG_EXT_PARTITION
#define MV_BORDER (16 << 3) // Allow 16 pels in 1/8th pel units
#else
#define MV_BORDER (8 << 3) // Allow 8 pels in 1/8th pel units
#endif // CONFIG_EXT_PARTITION
static INLINE int get_relative_dist(const AV1_COMMON *cm, int a, int b) {
if (!cm->seq_params.enable_order_hint) return 0;
const int bits = cm->seq_params.order_hint_bits_minus_1 + 1;
assert(bits >= 1);
assert(a >= 0 && a < (1 << bits));
assert(b >= 0 && b < (1 << bits));
int diff = a - b;
int m = 1 << (bits - 1);
diff = (diff & (m - 1)) - (diff & m);
return diff;
}
static INLINE void clamp_mv_ref(MV *mv, int bw, int bh, const MACROBLOCKD *xd) {
clamp_mv(mv, xd->mb_to_left_edge - bw * 8 - MV_BORDER,
@ -125,19 +58,16 @@ static INLINE void clamp_mv_ref(MV *mv, int bw, int bh, const MACROBLOCKD *xd) {
// This function returns either the appropriate sub block or block's mv
// on whether the block_size < 8x8 and we have check_sub_blocks set.
static INLINE int_mv get_sub_block_mv(const MODE_INFO *candidate, int which_mv,
int search_col, int block_idx) {
static INLINE int_mv get_sub_block_mv(const MB_MODE_INFO *candidate,
int which_mv, int search_col) {
(void)search_col;
(void)block_idx;
return candidate->mbmi.mv[which_mv];
return candidate->mv[which_mv];
}
static INLINE int_mv get_sub_block_pred_mv(const MODE_INFO *candidate,
int which_mv, int search_col,
int block_idx) {
static INLINE int_mv get_sub_block_pred_mv(const MB_MODE_INFO *candidate,
int which_mv, int search_col) {
(void)search_col;
(void)block_idx;
return candidate->mbmi.mv[which_mv];
return candidate->mv[which_mv];
}
// Performs mv sign inversion if indicated by the reference frame combination.
@ -152,48 +82,11 @@ static INLINE int_mv scale_mv(const MB_MODE_INFO *mbmi, int ref,
return mv;
}
#define CLIP_IN_ADD(mv, bw, bh, xd) clamp_mv_ref(mv, bw, bh, xd)
// This macro is used to add a motion vector mv_ref list if it isn't
// already in the list. If it's the second motion vector it will also
// skip all additional processing and jump to done!
#define ADD_MV_REF_LIST(mv, refmv_count, mv_ref_list, bw, bh, xd, Done) \
do { \
(mv_ref_list)[(refmv_count)] = (mv); \
CLIP_IN_ADD(&(mv_ref_list)[(refmv_count)].as_mv, (bw), (bh), (xd)); \
if (refmv_count && (mv_ref_list)[1].as_int != (mv_ref_list)[0].as_int) { \
(refmv_count) = 2; \
goto Done; \
} \
(refmv_count) = 1; \
} while (0)
// If either reference frame is different, not INTRA, and they
// are different from each other scale and add the mv to our list.
#define IF_DIFF_REF_FRAME_ADD_MV(mbmi, ref_frame, ref_sign_bias, refmv_count, \
mv_ref_list, bw, bh, xd, Done) \
do { \
if (is_inter_block(mbmi)) { \
if ((mbmi)->ref_frame[0] != ref_frame) \
ADD_MV_REF_LIST(scale_mv((mbmi), 0, ref_frame, ref_sign_bias), \
refmv_count, mv_ref_list, bw, bh, xd, Done); \
if (has_second_ref(mbmi) && (mbmi)->ref_frame[1] != ref_frame) \
ADD_MV_REF_LIST(scale_mv((mbmi), 1, ref_frame, ref_sign_bias), \
refmv_count, mv_ref_list, bw, bh, xd, Done); \
} \
} while (0)
// Checks that the given mi_row, mi_col and search point
// are inside the borders of the tile.
static INLINE int is_inside(const TileInfo *const tile, int mi_col, int mi_row,
int mi_rows, const AV1_COMMON *cm,
const POSITION *mi_pos) {
#if CONFIG_DEPENDENT_HORZTILES
const int dependent_horz_tile_flag = cm->dependent_horz_tiles;
#else
int mi_rows, const POSITION *mi_pos) {
const int dependent_horz_tile_flag = 0;
(void)cm;
#endif
if (dependent_horz_tile_flag && !tile->tg_horz_boundary) {
return !(mi_row + mi_pos->row < 0 ||
mi_col + mi_pos->col < tile->mi_col_start ||
@ -208,14 +101,8 @@ static INLINE int is_inside(const TileInfo *const tile, int mi_col, int mi_row,
}
static INLINE int find_valid_row_offset(const TileInfo *const tile, int mi_row,
int mi_rows, const AV1_COMMON *cm,
int row_offset) {
#if CONFIG_DEPENDENT_HORZTILES
const int dependent_horz_tile_flag = cm->dependent_horz_tiles;
#else
int mi_rows, int row_offset) {
const int dependent_horz_tile_flag = 0;
(void)cm;
#endif
if (dependent_horz_tile_flag && !tile->tg_horz_boundary)
return clamp(row_offset, -mi_row, mi_rows - mi_row - 1);
else
@ -229,87 +116,49 @@ static INLINE int find_valid_col_offset(const TileInfo *const tile, int mi_col,
tile->mi_col_end - mi_col - 1);
}
static INLINE void lower_mv_precision(MV *mv, int allow_hp
#if CONFIG_AMVR
,
int is_integer
#endif
) {
#if CONFIG_AMVR
static INLINE void lower_mv_precision(MV *mv, int allow_hp, int is_integer) {
if (is_integer) {
integer_mv_precision(mv);
} else {
#endif
if (!allow_hp) {
if (mv->row & 1) mv->row += (mv->row > 0 ? -1 : 1);
if (mv->col & 1) mv->col += (mv->col > 0 ? -1 : 1);
}
#if CONFIG_AMVR
}
#endif
}
static INLINE uint8_t av1_get_pred_diff_ctx(const int_mv pred_mv,
const int_mv this_mv) {
if (abs(this_mv.as_mv.row - pred_mv.as_mv.row) <= 4 &&
abs(this_mv.as_mv.col - pred_mv.as_mv.col) <= 4)
return 2;
else
return 1;
}
static INLINE int av1_nmv_ctx(const uint8_t ref_mv_count,
const CANDIDATE_MV *ref_mv_stack, int ref,
int ref_mv_idx) {
if (ref_mv_stack[ref_mv_idx].weight >= REF_CAT_LEVEL && ref_mv_count > 0)
return ref_mv_stack[ref_mv_idx].pred_diff[ref];
return 0;
}
#if CONFIG_EXT_COMP_REFS
static INLINE int8_t av1_uni_comp_ref_idx(const MV_REFERENCE_FRAME *const rf) {
static INLINE int8_t get_uni_comp_ref_idx(const MV_REFERENCE_FRAME *const rf) {
// Single ref pred
if (rf[1] <= INTRA_FRAME) return -1;
// Bi-directional comp ref pred
if ((rf[0] < BWDREF_FRAME) && (rf[1] >= BWDREF_FRAME)) return -1;
for (int8_t ref_idx = 0; ref_idx < UNIDIR_COMP_REFS; ++ref_idx) {
for (int8_t ref_idx = 0; ref_idx < TOTAL_UNIDIR_COMP_REFS; ++ref_idx) {
if (rf[0] == comp_ref0(ref_idx) && rf[1] == comp_ref1(ref_idx))
return ref_idx;
}
return -1;
}
#endif // CONFIG_EXT_COMP_REFS
static INLINE int8_t av1_ref_frame_type(const MV_REFERENCE_FRAME *const rf) {
if (rf[1] > INTRA_FRAME) {
#if CONFIG_EXT_COMP_REFS
int8_t uni_comp_ref_idx = av1_uni_comp_ref_idx(rf);
#if !USE_UNI_COMP_REFS
// NOTE: uni-directional comp refs disabled
assert(uni_comp_ref_idx < 0);
#endif // !USE_UNI_COMP_REFS
const int8_t uni_comp_ref_idx = get_uni_comp_ref_idx(rf);
if (uni_comp_ref_idx >= 0) {
assert((TOTAL_REFS_PER_FRAME + FWD_REFS * BWD_REFS + uni_comp_ref_idx) <
assert((REF_FRAMES + FWD_REFS * BWD_REFS + uni_comp_ref_idx) <
MODE_CTX_REF_FRAMES);
return TOTAL_REFS_PER_FRAME + FWD_REFS * BWD_REFS + uni_comp_ref_idx;
return REF_FRAMES + FWD_REFS * BWD_REFS + uni_comp_ref_idx;
} else {
#endif // CONFIG_EXT_COMP_REFS
return TOTAL_REFS_PER_FRAME + FWD_RF_OFFSET(rf[0]) +
return REF_FRAMES + FWD_RF_OFFSET(rf[0]) +
BWD_RF_OFFSET(rf[1]) * FWD_REFS;
#if CONFIG_EXT_COMP_REFS
}
#endif // CONFIG_EXT_COMP_REFS
}
return rf[0];
}
// clang-format off
static MV_REFERENCE_FRAME ref_frame_map[COMP_REFS][2] = {
#if CONFIG_EXT_REFS
static MV_REFERENCE_FRAME ref_frame_map[TOTAL_COMP_REFS][2] = {
{ LAST_FRAME, BWDREF_FRAME }, { LAST2_FRAME, BWDREF_FRAME },
{ LAST3_FRAME, BWDREF_FRAME }, { GOLDEN_FRAME, BWDREF_FRAME },
@ -317,58 +166,51 @@ static MV_REFERENCE_FRAME ref_frame_map[COMP_REFS][2] = {
{ LAST3_FRAME, ALTREF2_FRAME }, { GOLDEN_FRAME, ALTREF2_FRAME },
{ LAST_FRAME, ALTREF_FRAME }, { LAST2_FRAME, ALTREF_FRAME },
{ LAST3_FRAME, ALTREF_FRAME }, { GOLDEN_FRAME, ALTREF_FRAME }
{ LAST3_FRAME, ALTREF_FRAME }, { GOLDEN_FRAME, ALTREF_FRAME },
// TODO(zoeliu): Temporarily disable uni-directional comp refs
#if CONFIG_EXT_COMP_REFS
, { LAST_FRAME, LAST2_FRAME }, { LAST_FRAME, LAST3_FRAME },
{ LAST_FRAME, GOLDEN_FRAME }, { BWDREF_FRAME, ALTREF_FRAME }
// TODO(zoeliu): When ALTREF2 is enabled, we may add:
// {BWDREF_FRAME, ALTREF2_FRAME}
#endif // CONFIG_EXT_COMP_REFS
#else // !CONFIG_EXT_REFS
{ LAST_FRAME, ALTREF_FRAME }, { GOLDEN_FRAME, ALTREF_FRAME }
#endif // CONFIG_EXT_REFS
{ LAST_FRAME, LAST2_FRAME }, { LAST_FRAME, LAST3_FRAME },
{ LAST_FRAME, GOLDEN_FRAME }, { BWDREF_FRAME, ALTREF_FRAME },
// NOTE: Following reference frame pairs are not supported to be explicitly
// signalled, but they are possibly chosen by the use of skip_mode,
// which may use the most recent one-sided reference frame pair.
{ LAST2_FRAME, LAST3_FRAME }, { LAST2_FRAME, GOLDEN_FRAME },
{ LAST3_FRAME, GOLDEN_FRAME }, {BWDREF_FRAME, ALTREF2_FRAME},
{ ALTREF2_FRAME, ALTREF_FRAME }
};
// clang-format on
static INLINE void av1_set_ref_frame(MV_REFERENCE_FRAME *rf,
int8_t ref_frame_type) {
if (ref_frame_type >= TOTAL_REFS_PER_FRAME) {
rf[0] = ref_frame_map[ref_frame_type - TOTAL_REFS_PER_FRAME][0];
rf[1] = ref_frame_map[ref_frame_type - TOTAL_REFS_PER_FRAME][1];
if (ref_frame_type >= REF_FRAMES) {
rf[0] = ref_frame_map[ref_frame_type - REF_FRAMES][0];
rf[1] = ref_frame_map[ref_frame_type - REF_FRAMES][1];
} else {
rf[0] = ref_frame_type;
rf[1] = NONE_FRAME;
#if CONFIG_INTRABC
assert(ref_frame_type > NONE_FRAME);
#else
assert(ref_frame_type > INTRA_FRAME);
#endif
assert(ref_frame_type < TOTAL_REFS_PER_FRAME);
}
}
static uint16_t compound_mode_ctx_map[3][COMP_NEWMV_CTXS] = {
{ 0, 1, 1, 1, 1 },
{ 1, 2, 3, 4, 4 },
{ 4, 4, 5, 6, 7 },
};
static INLINE int16_t av1_mode_context_analyzer(
const int16_t *const mode_context, const MV_REFERENCE_FRAME *const rf,
BLOCK_SIZE bsize, int block) {
int16_t mode_ctx = 0;
int8_t ref_frame_type = av1_ref_frame_type(rf);
const int16_t *const mode_context, const MV_REFERENCE_FRAME *const rf) {
const int8_t ref_frame = av1_ref_frame_type(rf);
if (block >= 0) {
mode_ctx = mode_context[rf[0]] & 0x00ff;
#if !CONFIG_CB4X4
if (block > 0 && bsize < BLOCK_8X8 && bsize > BLOCK_4X4)
mode_ctx |= (1 << SKIP_NEARESTMV_SUB8X8_OFFSET);
#else
(void)block;
(void)bsize;
#endif
if (rf[1] <= INTRA_FRAME) return mode_context[ref_frame];
return mode_ctx;
}
const int16_t newmv_ctx = mode_context[ref_frame] & NEWMV_CTX_MASK;
const int16_t refmv_ctx =
(mode_context[ref_frame] >> REFMV_OFFSET) & REFMV_CTX_MASK;
return mode_context[ref_frame_type];
const int16_t comp_ctx = compound_mode_ctx_map[refmv_ctx >> 1][AOMMIN(
newmv_ctx, COMP_NEWMV_CTXS - 1)];
return comp_ctx;
}
static INLINE uint8_t av1_drl_ctx(const CANDIDATE_MV *ref_mv_stack,
@ -379,92 +221,99 @@ static INLINE uint8_t av1_drl_ctx(const CANDIDATE_MV *ref_mv_stack,
if (ref_mv_stack[ref_idx].weight >= REF_CAT_LEVEL &&
ref_mv_stack[ref_idx + 1].weight < REF_CAT_LEVEL)
return 2;
return 1;
if (ref_mv_stack[ref_idx].weight < REF_CAT_LEVEL &&
ref_mv_stack[ref_idx + 1].weight < REF_CAT_LEVEL)
return 3;
return 2;
return 0;
}
#if CONFIG_FRAME_MARKER
void av1_setup_frame_buf_refs(AV1_COMMON *cm);
#if CONFIG_FRAME_SIGN_BIAS
void av1_setup_frame_sign_bias(AV1_COMMON *cm);
#endif // CONFIG_FRAME_SIGN_BIAS
#if CONFIG_MFMV
void av1_setup_skip_mode_allowed(AV1_COMMON *cm);
void av1_setup_motion_field(AV1_COMMON *cm);
#endif // CONFIG_MFMV
#endif // CONFIG_FRAME_MARKER
void av1_set_frame_refs(AV1_COMMON *const cm, int lst_map_idx, int gld_map_idx);
void av1_copy_frame_mvs(const AV1_COMMON *const cm, MODE_INFO *mi, int mi_row,
int mi_col, int x_mis, int y_mis);
static INLINE void av1_collect_neighbors_ref_counts(MACROBLOCKD *const xd) {
av1_zero(xd->neighbors_ref_counts);
uint8_t *const ref_counts = xd->neighbors_ref_counts;
const MB_MODE_INFO *const above_mbmi = xd->above_mbmi;
const MB_MODE_INFO *const left_mbmi = xd->left_mbmi;
const int above_in_image = xd->up_available;
const int left_in_image = xd->left_available;
// Above neighbor
if (above_in_image && is_inter_block(above_mbmi)) {
ref_counts[above_mbmi->ref_frame[0]]++;
if (has_second_ref(above_mbmi)) {
ref_counts[above_mbmi->ref_frame[1]]++;
}
}
// Left neighbor
if (left_in_image && is_inter_block(left_mbmi)) {
ref_counts[left_mbmi->ref_frame[0]]++;
if (has_second_ref(left_mbmi)) {
ref_counts[left_mbmi->ref_frame[1]]++;
}
}
}
void av1_copy_frame_mvs(const AV1_COMMON *const cm, MB_MODE_INFO *mi,
int mi_row, int mi_col, int x_mis, int y_mis);
typedef void (*find_mv_refs_sync)(void *const data, int mi_row);
void av1_find_mv_refs(const AV1_COMMON *cm, const MACROBLOCKD *xd,
MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame,
uint8_t *ref_mv_count, CANDIDATE_MV *ref_mv_stack,
int16_t *compound_mode_context, int_mv *mv_ref_list,
int mi_row, int mi_col, find_mv_refs_sync sync,
void *const data, int16_t *mode_context);
MB_MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame,
uint8_t ref_mv_count[MODE_CTX_REF_FRAMES],
CANDIDATE_MV ref_mv_stack[][MAX_REF_MV_STACK_SIZE],
int_mv mv_ref_list[][MAX_MV_REF_CANDIDATES],
int_mv *global_mvs, int mi_row, int mi_col,
int16_t *mode_context);
// check a list of motion vectors by sad score using a number rows of pixels
// above and a number cols of pixels in the left to select the one with best
// score to use as ref motion vector
#if CONFIG_AMVR
void av1_find_best_ref_mvs(int allow_hp, int_mv *mvlist, int_mv *nearest_mv,
int_mv *near_mv, int is_integer);
#else
void av1_find_best_ref_mvs(int allow_hp, int_mv *mvlist, int_mv *nearest_mv,
int_mv *near_mv);
#endif
void av1_append_sub8x8_mvs_for_idx(const AV1_COMMON *cm, MACROBLOCKD *xd,
int block, int ref, int mi_row, int mi_col,
CANDIDATE_MV *ref_mv_stack,
uint8_t *ref_mv_count, int_mv *mv_list,
int_mv *nearest_mv, int_mv *near_mv);
// This function keeps a mode count for a given MB/SB
void av1_update_mv_context(const AV1_COMMON *cm, const MACROBLOCKD *xd,
MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame,
int_mv *mv_ref_list, int block, int mi_row,
int mi_col, int16_t *mode_context);
#if CONFIG_WARPED_MOTION
#if WARPED_MOTION_SORT_SAMPLES
int sortSamples(int *pts_mv, MV *mv, int *pts, int *pts_inref, int len);
int findSamples(const AV1_COMMON *cm, MACROBLOCKD *xd, int mi_row, int mi_col,
int *pts, int *pts_inref, int *pts_mv);
#else
int selectSamples(MV *mv, int *pts, int *pts_inref, int len, BLOCK_SIZE bsize);
int findSamples(const AV1_COMMON *cm, MACROBLOCKD *xd, int mi_row, int mi_col,
int *pts, int *pts_inref);
#endif // WARPED_MOTION_SORT_SAMPLES
#endif // CONFIG_WARPED_MOTION
#if CONFIG_INTRABC
static INLINE void av1_find_ref_dv(int_mv *ref_dv, int mi_row, int mi_col) {
// TODO(aconverse@google.com): Handle tiles and such
#define INTRABC_DELAY_PIXELS 256 // Delay of 256 pixels
#define INTRABC_DELAY_SB64 (INTRABC_DELAY_PIXELS / 64)
#define USE_WAVE_FRONT 1 // Use only top left area of frame for reference.
static INLINE void av1_find_ref_dv(int_mv *ref_dv, const TileInfo *const tile,
int mib_size, int mi_row, int mi_col) {
(void)mi_col;
if (mi_row < MAX_MIB_SIZE) {
if (mi_row - mib_size < tile->mi_row_start) {
ref_dv->as_mv.row = 0;
ref_dv->as_mv.col = -MI_SIZE * MAX_MIB_SIZE;
ref_dv->as_mv.col = -MI_SIZE * mib_size - INTRABC_DELAY_PIXELS;
} else {
ref_dv->as_mv.row = -MI_SIZE * MAX_MIB_SIZE;
ref_dv->as_mv.row = -MI_SIZE * mib_size;
ref_dv->as_mv.col = 0;
}
ref_dv->as_mv.row *= 8;
ref_dv->as_mv.col *= 8;
}
static INLINE int is_dv_valid(const MV dv, const TileInfo *const tile,
int mi_row, int mi_col, BLOCK_SIZE bsize) {
static INLINE int av1_is_dv_valid(const MV dv, const AV1_COMMON *cm,
const MACROBLOCKD *xd, int mi_row, int mi_col,
BLOCK_SIZE bsize, int mib_size_log2) {
const int bw = block_size_wide[bsize];
const int bh = block_size_high[bsize];
const int SCALE_PX_TO_MV = 8;
// Disallow subpixel for now
// SUBPEL_MASK is not the correct scale
if ((dv.row & (SCALE_PX_TO_MV - 1) || dv.col & (SCALE_PX_TO_MV - 1)))
if (((dv.row & (SCALE_PX_TO_MV - 1)) || (dv.col & (SCALE_PX_TO_MV - 1))))
return 0;
const TileInfo *const tile = &xd->tile;
// Is the source top-left inside the current tile?
const int src_top_edge = mi_row * MI_SIZE * SCALE_PX_TO_MV + dv.row;
const int tile_top_edge = tile->mi_row_start * MI_SIZE * SCALE_PX_TO_MV;
@ -479,20 +328,44 @@ static INLINE int is_dv_valid(const MV dv, const TileInfo *const tile,
const int src_right_edge = (mi_col * MI_SIZE + bw) * SCALE_PX_TO_MV + dv.col;
const int tile_right_edge = tile->mi_col_end * MI_SIZE * SCALE_PX_TO_MV;
if (src_right_edge > tile_right_edge) return 0;
// Is the bottom right within an already coded SB?
const int active_sb_top_edge =
(mi_row & ~MAX_MIB_MASK) * MI_SIZE * SCALE_PX_TO_MV;
const int active_sb_bottom_edge =
((mi_row & ~MAX_MIB_MASK) + MAX_MIB_SIZE) * MI_SIZE * SCALE_PX_TO_MV;
const int active_sb_left_edge =
(mi_col & ~MAX_MIB_MASK) * MI_SIZE * SCALE_PX_TO_MV;
if (src_bottom_edge > active_sb_bottom_edge) return 0;
if (src_bottom_edge > active_sb_top_edge &&
src_right_edge > active_sb_left_edge)
// Special case for sub 8x8 chroma cases, to prevent referring to chroma
// pixels outside current tile.
for (int plane = 1; plane < av1_num_planes(cm); ++plane) {
const struct macroblockd_plane *const pd = &xd->plane[plane];
if (is_chroma_reference(mi_row, mi_col, bsize, pd->subsampling_x,
pd->subsampling_y)) {
if (bw < 8 && pd->subsampling_x)
if (src_left_edge < tile_left_edge + 4 * SCALE_PX_TO_MV) return 0;
if (bh < 8 && pd->subsampling_y)
if (src_top_edge < tile_top_edge + 4 * SCALE_PX_TO_MV) return 0;
}
}
// Is the bottom right within an already coded SB? Also consider additional
// constraints to facilitate HW decoder.
const int max_mib_size = 1 << mib_size_log2;
const int active_sb_row = mi_row >> mib_size_log2;
const int active_sb64_col = (mi_col * MI_SIZE) >> 6;
const int sb_size = max_mib_size * MI_SIZE;
const int src_sb_row = ((src_bottom_edge >> 3) - 1) / sb_size;
const int src_sb64_col = ((src_right_edge >> 3) - 1) >> 6;
const int total_sb64_per_row =
((tile->mi_col_end - tile->mi_col_start - 1) >> 4) + 1;
const int active_sb64 = active_sb_row * total_sb64_per_row + active_sb64_col;
const int src_sb64 = src_sb_row * total_sb64_per_row + src_sb64_col;
if (src_sb64 >= active_sb64 - INTRABC_DELAY_SB64) return 0;
#if USE_WAVE_FRONT
const int gradient = 1 + INTRABC_DELAY_SB64 + (sb_size > 64);
const int wf_offset = gradient * (active_sb_row - src_sb_row);
if (src_sb_row > active_sb_row ||
src_sb64_col >= active_sb64_col - INTRABC_DELAY_SB64 + wf_offset)
return 0;
#endif
return 1;
}
#endif // CONFIG_INTRABC
#ifdef __cplusplus
} // extern "C"