Commit 5e577296 authored by Yunqing Wang's avatar Yunqing Wang Committed by Gerrit Code Review

Merge "Improve skip_txfm thresholds in the non-rd mode selection"

parents 216b171d 81fc5bf8
......@@ -540,7 +540,7 @@ TEST_P(DatarateTestVP9Large, ChangingDropFrameThresh) {
<< " The first dropped frame for drop_thresh " << i
<< " > first dropped frame for drop_thresh "
<< i - kDropFrameThreshTestStep;
ASSERT_GE(num_drops_, last_num_drops)
ASSERT_GE(num_drops_, last_num_drops * 0.90)
<< " The number of dropped frames for drop_thresh " << i
<< " < number of dropped frames for drop_thresh "
<< i - kDropFrameThreshTestStep;
......
......@@ -216,6 +216,8 @@ static void model_rd_for_sb_y(VP9_COMP *cpi, BLOCK_SIZE bsize,
int64_t dist;
struct macroblock_plane *const p = &x->plane[0];
struct macroblockd_plane *const pd = &xd->plane[0];
const int64_t dc_thr = p->quant_thred[0] >> 6;
const int64_t ac_thr = p->quant_thred[1] >> 6;
const uint32_t dc_quant = pd->dequant[0];
const uint32_t ac_quant = pd->dequant[1];
unsigned int var = cpi->fn_ptr[bsize].vf(p->src.buf, p->src.stride,
......@@ -223,12 +225,14 @@ static void model_rd_for_sb_y(VP9_COMP *cpi, BLOCK_SIZE bsize,
*var_y = var;
*sse_y = sse;
if (sse < dc_quant * dc_quant >> 6)
x->skip_txfm[0] = 1;
else if (var < ac_quant * ac_quant >> 6)
x->skip_txfm[0] = 0;
// Check if all ac coefficients can be quantized to zero.
if (var < ac_thr || var == 0) {
x->skip_txfm[0] = 2;
else
x->skip_txfm[0] = 0;
// Check if dc coefficient can be quantized to zero.
if (sse - var < dc_thr || sse == var)
x->skip_txfm[0] = 1;
}
if (cpi->common.tx_mode == TX_MODE_SELECT) {
if (sse > (var << 2))
......
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