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Merge "Use max txfm size unit in rate-distortion cost modeling"

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Jingning Han 2014-08-27 18:48:24 -07:00 committed by Gerrit Code Review
commit 6924fddb08
1 changed files with 29 additions and 11 deletions
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40
vp9/encoder/vp9_rdopt.c
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@ -171,19 +171,43 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
int64_t dist_sum = 0;
const int ref = xd->mi[0]->mbmi.ref_frame[0];
unsigned int sse;
unsigned int var = 0;
const int shift = 8;
int rate;
int64_t dist;
x->pred_sse[ref] = 0;
for (i = 0; i < MAX_MB_PLANE; ++i) {
struct macroblock_plane *const p = &x->plane[i];
struct macroblockd_plane *const pd = &xd->plane[i];
const BLOCK_SIZE bs = get_plane_block_size(bsize, pd);
const TX_SIZE max_tx_size = max_txsize_lookup[bs];
const BLOCK_SIZE unit_size = txsize_to_bsize[max_tx_size];
int bw = 1 << (b_width_log2_lookup[bs] - b_width_log2_lookup[unit_size]);
int bh = 1 << (b_height_log2_lookup[bs] - b_width_log2_lookup[unit_size]);
int idx, idy;
int lw = b_width_log2_lookup[unit_size] + 2;
int lh = b_height_log2_lookup[unit_size] + 2;
const unsigned int var = cpi->fn_ptr[bs].vf(p->src.buf, p->src.stride,
pd->dst.buf, pd->dst.stride,
&sse);
x->bsse[i] = 0;
for (idy = 0; idy < bh; ++idy) {
for (idx = 0; idx < bw; ++idx) {
uint8_t *src = p->src.buf + (idy * p->src.stride << lh) + (idx << lw);
uint8_t *dst = pd->dst.buf + (idy * pd->dst.stride << lh) + (idx << lh);
var += cpi->fn_ptr[unit_size].vf(src , p->src.stride,
dst, pd->dst.stride, &sse);
x->bsse[i] += sse;
if (i == 0)
x->pred_sse[ref] += sse;
}
}
if (!x->select_tx_size) {
if (sse < p->quant_thred[0] >> shift)
if (x->bsse[i] < p->quant_thred[0] >> shift)
x->skip_txfm[i] = 1;
else if (var < p->quant_thred[1] >> shift)
x->skip_txfm[i] = 2;
@ -191,10 +215,6 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
x->skip_txfm[i] = 0;
}
x->bsse[i] = sse;
if (i == 0)
x->pred_sse[ref] = sse;
// Fast approximate the modelling function.
if (cpi->oxcf.speed > 4) {
int64_t rate;
@ -210,9 +230,7 @@ static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize,
rate_sum += rate;
dist_sum += dist;
} else {
int rate;
int64_t dist;
vp9_model_rd_from_var_lapndz(sse, 1 << num_pels_log2_lookup[bs],
vp9_model_rd_from_var_lapndz(x->bsse[i], 1 << num_pels_log2_lookup[bs],
pd->dequant[1] >> 3, &rate, &dist);
rate_sum += rate;
dist_sum += dist;