Commit ad59b08f authored by hui su's avatar hui su

Adjust optimize_b RD parameters

Coding gain:
lowres  0.44%
midres  0.24%
hdres   0.32%

Change-Id: Ie558203b2b2bf5c16cd49b114df3d696c4f35049
parent e43c2111
......@@ -65,7 +65,7 @@ typedef struct vp10_token_state {
} vp10_token_state;
// TODO(jimbankoski): experiment to find optimal RD numbers.
static const int plane_rd_mult[PLANE_TYPES] = { 4, 2 };
static const int plane_rd_mult[REF_TYPES][PLANE_TYPES] ={ {9, 7}, {7, 5}, };
#define UPDATE_RD_COST()\
{\
......@@ -114,7 +114,8 @@ static int optimize_b(MACROBLOCK *mb, int plane, int block,
const int16_t *const scan = so->scan;
const int16_t *const nb = so->neighbors;
int next = eob, sz = 0;
int64_t rdmult = mb->rdmult * plane_rd_mult[type], rddiv = mb->rddiv;
const int64_t rdmult = (mb->rdmult * plane_rd_mult[ref][type]) >> 1;
const int64_t rddiv = mb->rddiv;
int64_t rd_cost0, rd_cost1;
int rate0, rate1, error0, error1;
int16_t t0, t1;
......@@ -128,13 +129,9 @@ static int optimize_b(MACROBLOCK *mb, int plane, int block,
assert((!type && !plane) || (type && plane));
assert(eob <= default_eob);
mul = 1 << get_tx_scale(xd, tx_type, tx_size);
/* Now set up a Viterbi trellis to evaluate alternative roundings. */
if (!ref)
rdmult = (rdmult * 9) >> 4;
/* Initialize the sentinel node of the trellis. */
tokens[eob][0].rate = 0;
tokens[eob][0].error = 0;
......
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