diff options
Diffstat (limited to 'vp9/encoder/vp9_pickmode.c')
| -rw-r--r-- | vp9/encoder/vp9_pickmode.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/vp9/encoder/vp9_pickmode.c b/vp9/encoder/vp9_pickmode.c index 46a354700..71cea0e45 100644 --- a/vp9/encoder/vp9_pickmode.c +++ b/vp9/encoder/vp9_pickmode.c @@ -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)) |