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Change to segment ref frame feature. 

Simplify feature to only support a single reference frame
instead of a mask.

Change-Id: I5dd3a98c7a224aafb35708850ab82e2f220e68fb
This commit is contained in:
Paul Wilkins 2013-06-07 14:59:53 +01:00
Родитель 747f76fc99
Коммит 340c7a48e6
7 изменённых файлов: 17 добавлений и 90 удалений
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15
vp9/common/vp9_seg_common.c
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@ -70,21 +70,6 @@ int vp9_get_segdata(const MACROBLOCKD *xd, int segment_id,
return xd->segment_feature_data[segment_id][feature_id];
}
void vp9_clear_segref(MACROBLOCKD *xd, int segment_id) {
xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] = 0;
}
void vp9_set_segref(MACROBLOCKD *xd, int segment_id,
MV_REFERENCE_FRAME ref_frame) {
xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] |= 1 << ref_frame;
}
int vp9_check_segref(const MACROBLOCKD *xd, int segment_id,
MV_REFERENCE_FRAME ref_frame) {
return (xd->segment_feature_data[segment_id][SEG_LVL_REF_FRAME] &
(1 << ref_frame)) ? 1 : 0;
}
const vp9_tree_index vp9_segment_tree[14] = {
2, 4, 6, 8, 10, 12,

10
vp9/common/vp9_seg_common.h
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@ -45,16 +45,6 @@ int vp9_get_segdata(const MACROBLOCKD *xd,
int segment_id,
SEG_LVL_FEATURES feature_id);
void vp9_clear_segref(MACROBLOCKD *xd, int segment_id);
void vp9_set_segref(MACROBLOCKD *xd,
int segment_id,
MV_REFERENCE_FRAME ref_frame);
int vp9_check_segref(const MACROBLOCKD *xd,
int segment_id,
MV_REFERENCE_FRAME ref_frame);
extern const vp9_tree_index vp9_segment_tree[14];
#endif // VP9_COMMON_VP9_SEG_COMMON_H_

17
vp9/decoder/vp9_decodemv.c
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@ -241,22 +241,11 @@ static void read_ref_frame(VP9D_COMP *pbi, vp9_reader *r,
int segment_id, MV_REFERENCE_FRAME ref_frame[2]) {
VP9_COMMON *const cm = &pbi->common;
MACROBLOCKD *const xd = &pbi->mb;
int seg_ref_count = 0;
const int seg_ref_active = vp9_segfeature_active(xd, segment_id,
SEG_LVL_REF_FRAME);
const int intra = vp9_check_segref(xd, segment_id, INTRA_FRAME);
const int last = vp9_check_segref(xd, segment_id, LAST_FRAME);
const int golden = vp9_check_segref(xd, segment_id, GOLDEN_FRAME);
const int altref = vp9_check_segref(xd, segment_id, ALTREF_FRAME);
// If segment coding enabled does the segment allow for more than one
// possible reference frame
if (seg_ref_active)
seg_ref_count = intra + last + golden + altref;
// Segment reference frame features not available or allows for
// multiple reference frame options
if (!seg_ref_active || seg_ref_count > 1) {
// Segment reference frame features not available.
if (!seg_ref_active) {
int is_comp;
int comp_ctx = vp9_get_pred_context(cm, xd, PRED_COMP_INTER_INTER);
@ -291,7 +280,7 @@ static void read_ref_frame(VP9D_COMP *pbi, vp9_reader *r,
}
}
} else {
ref_frame[0] = last ? LAST_FRAME : golden ? GOLDEN_FRAME : ALTREF_FRAME;
ref_frame[0] = vp9_get_segdata(xd, segment_id, SEG_LVL_REF_FRAME);
ref_frame[1] = NONE;
}
}

14
vp9/encoder/vp9_bitstream.c
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@ -483,18 +483,9 @@ static void encode_ref_frame(VP9_COMP *cpi, vp9_writer *bc) {
const int segment_id = mi->segment_id;
int seg_ref_active = vp9_segfeature_active(xd, segment_id,
SEG_LVL_REF_FRAME);
int seg_ref_count = 0;
if (seg_ref_active) {
seg_ref_count = vp9_check_segref(xd, segment_id, INTRA_FRAME) +
vp9_check_segref(xd, segment_id, LAST_FRAME) +
vp9_check_segref(xd, segment_id, GOLDEN_FRAME) +
vp9_check_segref(xd, segment_id, ALTREF_FRAME);
}
// If segment level coding of this signal is disabled...
// or the segment allows multiple reference frame options
if (!seg_ref_active || (seg_ref_count > 1)) {
if (!seg_ref_active) {
// does the feature use compound prediction or not
// (if not specified at the frame/segment level)
if (pc->comp_pred_mode == HYBRID_PREDICTION) {
@ -517,7 +508,8 @@ static void encode_ref_frame(VP9_COMP *cpi, vp9_writer *bc) {
}
} else {
assert(mi->ref_frame[1] <= INTRA_FRAME);
assert(vp9_check_segref(xd, segment_id, mi->ref_frame[0]));
assert(vp9_get_segdata(xd, segment_id, SEG_LVL_REF_FRAME) ==
mi->ref_frame[0]);
}
// if using the prediction mdoel we have nothing further to do because

30
vp9/encoder/vp9_encodeframe.c
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@ -575,11 +575,7 @@ static void set_offsets(VP9_COMP *cpi,
if (xd->segmentation_enabled && cpi->seg0_cnt > 0 &&
!vp9_segfeature_active(xd, 0, SEG_LVL_REF_FRAME) &&
vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME) &&
vp9_check_segref(xd, 1, INTRA_FRAME) +
vp9_check_segref(xd, 1, LAST_FRAME) +
vp9_check_segref(xd, 1, GOLDEN_FRAME) +
vp9_check_segref(xd, 1, ALTREF_FRAME) == 1) {
vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME)) {
cpi->seg0_progress = (cpi->seg0_idx << 16) / cpi->seg0_cnt;
} else {
const int y = mb_row & ~3;
@ -638,20 +634,13 @@ static void update_stats(VP9_COMP *cpi, int mi_row, int mi_col) {
cpi->intra_inter_count[vp9_get_pred_context(cm, xd, PRED_INTRA_INTER)]
[mbmi->ref_frame[0] > INTRA_FRAME]++;
// If we have just a single reference frame coded for a segment then
// exclude from the reference frame counts used to work out
// probabilities. NOTE: At the moment we dont support custom trees
// for the reference frame coding for each segment but this is a
// possible future action.
// If the segment reference feature is enabled we have only a single
// reference frame allowed for the segment so exclude it from
// the reference frame counts used to work out probabilities.
segment_id = mbmi->segment_id;
seg_ref_active = vp9_segfeature_active(xd, segment_id,
SEG_LVL_REF_FRAME);
if (mbmi->ref_frame[0] > INTRA_FRAME &&
(!seg_ref_active ||
((vp9_check_segref(xd, segment_id, INTRA_FRAME) +
vp9_check_segref(xd, segment_id, LAST_FRAME) +
vp9_check_segref(xd, segment_id, GOLDEN_FRAME) +
vp9_check_segref(xd, segment_id, ALTREF_FRAME)) > 1))) {
if ((mbmi->ref_frame[0] > INTRA_FRAME) && !seg_ref_active) {
if (cm->comp_pred_mode == HYBRID_PREDICTION)
cpi->comp_inter_count[vp9_get_pred_context(cm, xd,
PRED_COMP_INTER_INTER)]
@ -1616,15 +1605,6 @@ static int check_dual_ref_flags(VP9_COMP *cpi) {
int ref_flags = cpi->ref_frame_flags;
if (vp9_segfeature_active(xd, 1, SEG_LVL_REF_FRAME)) {
if ((ref_flags & (VP9_LAST_FLAG | VP9_GOLD_FLAG)) == (VP9_LAST_FLAG | VP9_GOLD_FLAG) &&
vp9_check_segref(xd, 1, LAST_FRAME))
return 1;
if ((ref_flags & (VP9_GOLD_FLAG | VP9_ALT_FLAG)) == (VP9_GOLD_FLAG | VP9_ALT_FLAG) &&
vp9_check_segref(xd, 1, GOLDEN_FRAME))
return 1;
if ((ref_flags & (VP9_ALT_FLAG | VP9_LAST_FLAG)) == (VP9_ALT_FLAG | VP9_LAST_FLAG) &&
vp9_check_segref(xd, 1, ALTREF_FRAME))
return 1;
return 0;
} else {
return (!!(ref_flags & VP9_GOLD_FLAG) +

10
vp9/encoder/vp9_onyx_if.c
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@ -413,7 +413,7 @@ static void configure_static_seg_features(VP9_COMP *cpi) {
// Segment coding disabled for compred testing
if (high_q || (cpi->static_mb_pct == 100)) {
vp9_set_segref(xd, 1, ALTREF_FRAME);
vp9_set_segdata(xd, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
vp9_enable_segfeature(xd, 1, SEG_LVL_REF_FRAME);
vp9_enable_segfeature(xd, 1, SEG_LVL_SKIP);
}
@ -440,10 +440,10 @@ static void configure_static_seg_features(VP9_COMP *cpi) {
vp9_enable_segfeature(xd, 1, SEG_LVL_REF_FRAME);
// All mbs should use ALTREF_FRAME
vp9_clear_segref(xd, 0);
vp9_set_segref(xd, 0, ALTREF_FRAME);
vp9_clear_segref(xd, 1);
vp9_set_segref(xd, 1, ALTREF_FRAME);
vp9_clear_segdata(xd, 0, SEG_LVL_REF_FRAME);
vp9_set_segdata(xd, 0, SEG_LVL_REF_FRAME, ALTREF_FRAME);
vp9_clear_segdata(xd, 1, SEG_LVL_REF_FRAME);
vp9_set_segdata(xd, 1, SEG_LVL_REF_FRAME, ALTREF_FRAME);
// Skip all MBs if high Q (0,0 mv and skip coeffs)
if (high_q) {

11
vp9/encoder/vp9_rdopt.c
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@ -1635,16 +1635,7 @@ static void estimate_ref_frame_costs(VP9_COMP *cpi, int segment_id,
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
int seg_ref_active = vp9_segfeature_active(xd, segment_id,
SEG_LVL_REF_FRAME);
int seg_ref_count = 0;
if (seg_ref_active) {
seg_ref_count = vp9_check_segref(xd, segment_id, INTRA_FRAME) +
vp9_check_segref(xd, segment_id, LAST_FRAME) +
vp9_check_segref(xd, segment_id, GOLDEN_FRAME) +
vp9_check_segref(xd, segment_id, ALTREF_FRAME);
}
if (seg_ref_active && seg_ref_count == 1) {
vpx_memset(ref_costs_single, 0, MAX_REF_FRAMES * sizeof(*ref_costs_single));
vpx_memset(ref_costs_comp, 0, MAX_REF_FRAMES * sizeof(*ref_costs_comp));
*comp_mode_p = 128;
@ -2685,7 +2676,7 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
// If the segment reference frame feature is enabled....
// then do nothing if the current ref frame is not allowed..
if (vp9_segfeature_active(xd, segment_id, SEG_LVL_REF_FRAME) &&
!vp9_check_segref(xd, segment_id, ref_frame)) {
vp9_get_segdata(xd, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) {
continue;
// If the segment skip feature is enabled....
// then do nothing if the current mode is not allowed..