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Key frame non-RD mode decision process

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This commit makes a non-RD coding mode decision process for key
frame coding. It can be optionally turned on in speed -6 and above.

Change-Id: I0847258b392877a0210b4768bef88ebc9ad009b5
This commit is contained in:
Jingning Han
2014-11-20 11:28:00 -08:00
parent 681d5e9024
commit 2fbdfd2c66
4 changed files with 62 additions and 3 deletions
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51
vp9/encoder/vp9_pickmode.c
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@@ -464,6 +464,57 @@ static const PREDICTION_MODE intra_mode_list[] = {
DC_PRED, V_PRED, H_PRED, TM_PRED
};
void vp9_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *rd_cost,
BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) {
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
RD_COST this_rdc, best_rdc;
PREDICTION_MODE this_mode;
struct estimate_block_intra_args args = { cpi, x, DC_PRED, 0, 0 };
const TX_SIZE intra_tx_size =
MIN(max_txsize_lookup[bsize],
tx_mode_to_biggest_tx_size[cpi->common.tx_mode]);
MODE_INFO *const mic = xd->mi[0].src_mi;
int *bmode_costs;
const MODE_INFO *above_mi = xd->mi[-xd->mi_stride].src_mi;
const MODE_INFO *left_mi = xd->left_available ? xd->mi[-1].src_mi : NULL;
const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, 0);
const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, 0);
bmode_costs = cpi->y_mode_costs[A][L];
(void) ctx;
vp9_rd_cost_reset(&best_rdc);
vp9_rd_cost_reset(&this_rdc);
mbmi->ref_frame[0] = INTRA_FRAME;
mbmi->mv[0].as_int = INVALID_MV;
mbmi->uv_mode = DC_PRED;
vpx_memset(x->skip_txfm, 0, sizeof(x->skip_txfm));
// Change the limit of this loop to add other intra prediction
// mode tests.
for (this_mode = DC_PRED; this_mode <= H_PRED; ++this_mode) {
args.mode = this_mode;
args.rate = 0;
args.dist = 0;
mbmi->tx_size = intra_tx_size;
vp9_foreach_transformed_block_in_plane(xd, bsize, 0,
estimate_block_intra, &args);
this_rdc.rate = args.rate;
this_rdc.dist = args.dist;
this_rdc.rate += bmode_costs[this_mode];
this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv,
this_rdc.rate, this_rdc.dist);
if (this_rdc.rdcost < best_rdc.rdcost) {
best_rdc = this_rdc;
mbmi->mode = this_mode;
}
}
*rd_cost = best_rdc;
}
// TODO(jingning) placeholder for inter-frame non-RD mode decision.
// this needs various further optimizations. to be continued..
void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,