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AQ1 - remove first pass weights.

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Removed redundant weighting function tied for AQ1 from first
pass code.

Improvment in baseline AQ1 results:-
Derf  opsnr +0.142% SSIm +0.258%
YT  opsnr +0.173% SSIm +0.3%

Change-Id: I16ef91caf2d7f302cd5940cc5e2626d48ebcb212
This commit is contained in:
Paul Wilkins 2014-11-07 14:11:29 +00:00
parent 5e935126a6
commit 31b6d7c1eb
3 changed files with 0 additions and 32 deletions
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8
vp9/encoder/vp9_aq_variance.c
View File

@ -52,14 +52,6 @@ double vp9_vaq_rdmult_ratio(int energy) {
return RDMULT_RATIO(energy);
}
double vp9_vaq_inv_q_ratio(int energy) {
ENERGY_IN_BOUNDS(energy);
vp9_clear_system_state();
return Q_RATIO(-energy);
}
void vp9_vaq_init() {
int i;
double base_ratio;

1
vp9/encoder/vp9_aq_variance.h
View File

@ -20,7 +20,6 @@ extern "C" {
unsigned int vp9_vaq_segment_id(int energy);
double vp9_vaq_rdmult_ratio(int energy);
double vp9_vaq_inv_q_ratio(int energy);
void vp9_vaq_init();
void vp9_vaq_frame_setup(VP9_COMP *cpi);

23
vp9/encoder/vp9_firstpass.c
View File

@ -593,7 +593,6 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) {
int this_error;
const int use_dc_pred = (mb_col || mb_row) && (!mb_col || !mb_row);
double error_weight = 1.0;
const BLOCK_SIZE bsize = get_bsize(cm, mb_row, mb_col);
double log_intra;
int level_sample;
@ -615,11 +614,6 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
mb_col << 1, num_8x8_blocks_wide_lookup[bsize],
cm->mi_rows, cm->mi_cols);
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
const int energy = vp9_block_energy(cpi, x, bsize);
error_weight = vp9_vaq_inv_q_ratio(energy);
}
// Do intra 16x16 prediction.
x->skip_encode = 0;
xd->mi[0].src_mi->mbmi.mode = DC_PRED;
@ -665,11 +659,6 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
else
brightness_factor += 1.0;
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
vp9_clear_system_state();
this_error = (int)(this_error * error_weight);
}
// Intrapenalty below deals with situations where the intra and inter
// error scores are very low (e.g. a plain black frame).
// We do not have special cases in first pass for 0,0 and nearest etc so
@ -741,20 +730,12 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
// Test last reference frame using the previous best mv as the
// starting point (best reference) for the search.
first_pass_motion_search(cpi, x, &best_ref_mv, &mv, &motion_error);
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
vp9_clear_system_state();
motion_error = (int)(motion_error * error_weight);
}
// If the current best reference mv is not centered on 0,0 then do a
// 0,0 based search as well.
if (!is_zero_mv(&best_ref_mv)) {
tmp_err = INT_MAX;
first_pass_motion_search(cpi, x, &zero_mv, &tmp_mv, &tmp_err);
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
vp9_clear_system_state();
tmp_err = (int)(tmp_err * error_weight);
}
if (tmp_err < motion_error) {
motion_error = tmp_err;
@ -785,10 +766,6 @@ void vp9_first_pass(VP9_COMP *cpi, const struct lookahead_entry *source) {
first_pass_motion_search(cpi, x, &zero_mv, &tmp_mv,
&gf_motion_error);
if (cpi->oxcf.aq_mode == VARIANCE_AQ) {
vp9_clear_system_state();
gf_motion_error = (int)(gf_motion_error * error_weight);
}
if (gf_motion_error < motion_error && gf_motion_error < this_error)
++second_ref_count;