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Merge changes Ie077edd0,Id31a74fc

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* changes:
  Remove rate component adjustment for AQ1
  Switch AQ1 segment basis from q ratio to rate ratio.
This commit is contained in:
Paul Wilkins 2014-11-21 15:38:32 -08:00 committed by Gerrit Code Review
commit d28e9ed452
2 changed files with 15 additions and 19 deletions
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24
vp9/encoder/vp9_aq_variance.c
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@ -25,10 +25,9 @@
#define ENERGY_IN_BOUNDS(energy)\
assert((energy) >= ENERGY_MIN && (energy) <= ENERGY_MAX)
static double q_ratio[MAX_SEGMENTS] =
{1.0, 0.875, 1.143, 1.0, 1.0, 1.0, 1.0, 1.0};
static int segment_id[ENERGY_SPAN] = {1, 0, 2};
static double rate_ratio[MAX_SEGMENTS] =
{1.143, 1.0, 0.875, 1.0, 1.0, 1.0, 1.0, 1.0};
static int segment_id[ENERGY_SPAN] = {0, 1, 2};
#define SEGMENT_ID(i) segment_id[(i) - ENERGY_MIN]
@ -45,7 +44,6 @@ unsigned int vp9_vaq_segment_id(int energy) {
void vp9_vaq_frame_setup(VP9_COMP *cpi) {
VP9_COMMON *cm = &cpi->common;
struct segmentation *seg = &cm->seg;
const double base_q = vp9_convert_qindex_to_q(cm->base_qindex, cm->bit_depth);
int i;
if (cm->frame_type == KEY_FRAME ||
@ -59,15 +57,23 @@ void vp9_vaq_frame_setup(VP9_COMP *cpi) {
vp9_clear_system_state();
for (i = 0; i < MAX_SEGMENTS; i++) {
int qindex_delta;
int qindex_delta =
vp9_compute_qdelta_by_rate(&cpi->rc, cm->frame_type, cm->base_qindex,
rate_ratio[i], cm->bit_depth);
// We don't allow Q0 in a segment if the base Q is not 0.
// Q0 (lossless) implies 4x4 only and in AQ mode a segment
// Q delta is sometimes applied without going back around the rd loop.
// This could lead to an illegal combination of partition size and q.
if ((cm->base_qindex != 0) && ((cm->base_qindex + qindex_delta) == 0)) {
qindex_delta = -cm->base_qindex + 1;
}
// No need to enable SEG_LVL_ALT_Q for this segment
if (q_ratio[i] == 1.0) {
if (rate_ratio[i] == 1.0) {
continue;
}
qindex_delta = vp9_compute_qdelta(&cpi->rc, base_q, base_q * q_ratio[i],
cm->bit_depth);
vp9_set_segdata(seg, i, SEG_LVL_ALT_Q, qindex_delta);
vp9_enable_segfeature(seg, i, SEG_LVL_ALT_Q);
}

10
vp9/encoder/vp9_encodeframe.c
View File

@ -807,10 +807,8 @@ static void rd_pick_sb_modes(VP9_COMP *cpi,
struct macroblockd_plane *const pd = xd->plane;
const AQ_MODE aq_mode = cpi->oxcf.aq_mode;
int i, orig_rdmult;
double rdmult_ratio;
vp9_clear_system_state();
rdmult_ratio = 1.0; // avoid uninitialized warnings
// Use the lower precision, but faster, 32x32 fdct for mode selection.
x->use_lp32x32fdct = 1;
@ -866,8 +864,6 @@ static void rd_pick_sb_modes(VP9_COMP *cpi,
segment_qindex = vp9_get_qindex(&cm->seg, mbmi->segment_id,
cm->base_qindex);
x->rdmult = vp9_compute_rd_mult(cpi, segment_qindex + cm->y_dc_delta_q);
vp9_clear_system_state();
rdmult_ratio = (double)x->rdmult / orig_rdmult;
} else if (aq_mode == COMPLEXITY_AQ) {
const int mi_offset = mi_row * cm->mi_cols + mi_col;
unsigned char complexity = cpi->complexity_map[mi_offset];
@ -901,12 +897,6 @@ static void rd_pick_sb_modes(VP9_COMP *cpi,
}
}
if (aq_mode == VARIANCE_AQ && rd_cost->rate != INT_MAX) {
vp9_clear_system_state();
rd_cost->rate = (int)round(rd_cost->rate * rdmult_ratio);
rd_cost->rdcost = RDCOST(x->rdmult, x->rddiv, rd_cost->rate, rd_cost->dist);
}
x->rdmult = orig_rdmult;
// TODO(jingning) The rate-distortion optimization flow needs to be