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Allow DC/H/V/TM on screen content.

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6.3% better compression
less than 1% compression time increase

Change-Id: Ie83c059436e54c09de9e7c87e06e0a6d40dc38fe
This commit is contained in:
Alex Converse 2014-10-24 15:57:48 -07:00
parent 722e9d611b
commit bc1b3d8412
2 changed files with 21 additions and 6 deletions
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16
vp9/encoder/vp9_pickmode.c
View File

@ -460,6 +460,10 @@ static const THR_MODES mode_idx[MAX_REF_FRAMES][4] = {
{THR_NEARESTA, THR_NEARA, THR_ZEROA, THR_NEWA},
};
static const PREDICTION_MODE intra_mode_list[] = {
DC_PRED, V_PRED, H_PRED, TM_PRED
};
// 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,
@ -796,11 +800,11 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
// threshold.
if (!x->skip && best_rdc.rdcost > inter_mode_thresh &&
bsize <= cpi->sf.max_intra_bsize) {
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]);
int i;
if (reuse_inter_pred && best_pred != NULL) {
if (best_pred->data == orig_dst.buf) {
@ -813,17 +817,18 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
}
pd->dst = orig_dst;
// Change the limit of this loop to add other intra prediction
// mode tests.
for (this_mode = DC_PRED; this_mode <= DC_PRED; ++this_mode) {
for (i = 0; i < 4; ++i) {
const TX_SIZE saved_tx_size = mbmi->tx_size;
const PREDICTION_MODE this_mode = intra_mode_list[i];
if (!((1 << this_mode) & cpi->sf.intra_y_mode_mask[intra_tx_size]))
continue;
skip_txfm = x->skip_txfm[0];
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);
mbmi->tx_size = saved_tx_size;
this_rdc.rate = args.rate;
this_rdc.dist = args.dist;
this_rdc.rate += cpi->mbmode_cost[this_mode];
@ -840,6 +845,7 @@ void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x,
mbmi->mv[0].as_int = INVALID_MV;
} else {
x->skip_txfm[0] = skip_txfm;
mbmi->tx_size = saved_tx_size;
}
}
}

11
vp9/encoder/vp9_speed_features.c
View File

@ -204,7 +204,6 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
VP9_COMMON *const cm = &cpi->common;
const int is_keyframe = cm->frame_type == KEY_FRAME;
const int frames_since_key = is_keyframe ? 0 : cpi->rc.frames_since_key;
(void) content;
sf->static_segmentation = 0;
sf->adaptive_rd_thresh = 1;
sf->use_fast_coef_costing = 1;
@ -305,6 +304,16 @@ static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
// This feature is only enabled when partition search is disabled.
sf->reuse_inter_pred_sby = 1;
sf->partition_search_breakout_rate_thr = 200;
if (!is_keyframe) {
int i;
if (content == VP9E_CONTENT_SCREEN) {
for (i = 0; i < TX_SIZES; ++i)
sf->intra_y_mode_mask[i] = INTRA_DC_TM_H_V;
} else {
for (i = 0; i < TX_SIZES; i++)
sf->intra_y_mode_mask[i] = INTRA_DC;
}
}
}
if (speed >= 6) {