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Update aom to commit id e87fb2378f01103d5d6e477a4ef6892dc714e614

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trav90 2018-10-18 21:53:44 -05:00 • committed by Roy Tam
commit 992c6637e3
429 changed files with 76047 additions and 40937 deletions
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83
third_party/aom/av1/common/mv.h vendored
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@ -20,6 +20,8 @@
extern "C" {
#endif
#define INVALID_MV 0x80008000
typedef struct mv {
int16_t row;
int16_t col;
@ -88,10 +90,12 @@ typedef enum {
// GLOBAL_TRANS_TYPES 7 - up to full homography
#define GLOBAL_TRANS_TYPES 4
#if GLOBAL_TRANS_TYPES > 4
// First bit indicates whether using identity or not
// GLOBAL_TYPE_BITS=ceiling(log2(GLOBAL_TRANS_TYPES-1)) is the
// number of bits needed to cover the remaining possibilities
#define GLOBAL_TYPE_BITS (get_msb(2 * GLOBAL_TRANS_TYPES - 3))
#endif // GLOBAL_TRANS_TYPES > 4
typedef struct {
#if CONFIG_GLOBAL_MOTION
@ -116,14 +120,14 @@ typedef struct {
int16_t alpha, beta, gamma, delta;
} WarpedMotionParams;
static INLINE void set_default_warp_params(WarpedMotionParams *wm) {
static const int32_t default_wm_mat[8] = {
0, 0, (1 << WARPEDMODEL_PREC_BITS), 0, 0, (1 << WARPEDMODEL_PREC_BITS), 0, 0
};
memset(wm, 0, sizeof(*wm));
memcpy(wm->wmmat, default_wm_mat, sizeof(wm->wmmat));
wm->wmtype = IDENTITY;
}
/* clang-format off */
static const WarpedMotionParams default_warp_params = {
IDENTITY,
{ 0, 0, (1 << WARPEDMODEL_PREC_BITS), 0, 0, (1 << WARPEDMODEL_PREC_BITS), 0,
0 },
0, 0, 0, 0
};
/* clang-format on */
#endif // CONFIG_GLOBAL_MOTION || CONFIG_WARPED_MOTION
#if CONFIG_GLOBAL_MOTION
@ -202,21 +206,70 @@ static INLINE int convert_to_trans_prec(int allow_hp, int coor) {
else
return ROUND_POWER_OF_TWO_SIGNED(coor, WARPEDMODEL_PREC_BITS - 2) * 2;
}
#if CONFIG_AMVR
static INLINE void integer_mv_precision(MV *mv) {
int mod = (mv->row % 8);
if (mod != 0) {
mv->row -= mod;
if (abs(mod) > 4) {
if (mod > 0) {
mv->row += 8;
} else {
mv->row -= 8;
}
}
}
// Convert a global motion translation vector (which may have more bits than a
// regular motion vector) into a motion vector
mod = (mv->col % 8);
if (mod != 0) {
mv->col -= mod;
if (abs(mod) > 4) {
if (mod > 0) {
mv->col += 8;
} else {
mv->col -= 8;
}
}
}
}
#endif
// Convert a global motion vector into a motion vector at the centre of the
// given block.
//
// The resulting motion vector will have three fractional bits of precision. If
// allow_hp is zero, the bottom bit will always be zero. If CONFIG_AMVR and
// is_integer is true, the bottom three bits will be zero (so the motion vector
// represents an integer)
static INLINE int_mv gm_get_motion_vector(const WarpedMotionParams *gm,
int allow_hp, BLOCK_SIZE bsize,
int mi_col, int mi_row,
int block_idx) {
int mi_col, int mi_row, int block_idx
#if CONFIG_AMVR
,
int is_integer
#endif
) {
const int unify_bsize = CONFIG_CB4X4;
int_mv res;
const int32_t *mat = gm->wmmat;
int x, y, tx, ty;
if (gm->wmtype == TRANSLATION) {
// All global motion vectors are stored with WARPEDMODEL_PREC_BITS (16)
// bits of fractional precision. The offset for a translation is stored in
// entries 0 and 1. For translations, all but the top three (two if
// cm->allow_high_precision_mv is false) fractional bits are always zero.
//
// After the right shifts, there are 3 fractional bits of precision. If
// allow_hp is false, the bottom bit is always zero (so we don't need a
// call to convert_to_trans_prec here)
res.as_mv.row = gm->wmmat[0] >> GM_TRANS_ONLY_PREC_DIFF;
res.as_mv.col = gm->wmmat[1] >> GM_TRANS_ONLY_PREC_DIFF;
assert(IMPLIES(1 & (res.as_mv.row | res.as_mv.col), allow_hp));
#if CONFIG_AMVR
if (is_integer) {
integer_mv_precision(&res.as_mv);
}
#endif
return res;
}
@ -256,6 +309,12 @@ static INLINE int_mv gm_get_motion_vector(const WarpedMotionParams *gm,
res.as_mv.row = ty;
res.as_mv.col = tx;
#if CONFIG_AMVR
if (is_integer) {
integer_mv_precision(&res.as_mv);
}
#endif
return res;
}