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VP9: inline vp9_get_intra_inter_context()

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Change-Id: I71366140799b9b39474b9b459082cdb250bd1905
This commit is contained in:
Scott LaVarnway 2016-04-15 04:58:37 -07:00
parent 9c2ed00c8c
commit ef98a8f61f
4 changed files with 25 additions and 29 deletions
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25
vp9/common/vp9_pred_common.c
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@ -36,31 +36,6 @@ int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd) {
return SWITCHABLE_FILTERS; return SWITCHABLE_FILTERS;
} }
// The mode info data structure has a one element border above and to the
// left of the entries corresponding to real macroblocks.
// The prediction flags in these dummy entries are initialized to 0.
// 0 - inter/inter, inter/--, --/inter, --/--
// 1 - intra/inter, inter/intra
// 2 - intra/--, --/intra
// 3 - intra/intra
int vp9_get_intra_inter_context(const MACROBLOCKD *xd) {
const MODE_INFO *const above_mi = xd->above_mi;
const MODE_INFO *const left_mi = xd->left_mi;
const int has_above = !!above_mi;
const int has_left = !!left_mi;
if (has_above && has_left) { // both edges available
const int above_intra = !is_inter_block(above_mi);
const int left_intra = !is_inter_block(left_mi);
return left_intra && above_intra ? 3
: left_intra || above_intra;
} else if (has_above || has_left) { // one edge available
return 2 * !is_inter_block(has_above ? above_mi : left_mi);
} else {
return 0;
}
}
int vp9_get_reference_mode_context(const VP9_COMMON *cm, int vp9_get_reference_mode_context(const VP9_COMMON *cm,
const MACROBLOCKD *xd) { const MACROBLOCKD *xd) {
int ctx; int ctx;

25
vp9/common/vp9_pred_common.h
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@ -68,11 +68,32 @@ static INLINE vpx_prob vp9_get_skip_prob(const VP9_COMMON *cm,
int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd); int vp9_get_pred_context_switchable_interp(const MACROBLOCKD *xd);
int vp9_get_intra_inter_context(const MACROBLOCKD *xd); // The mode info data structure has a one element border above and to the
// left of the entries corresponding to real macroblocks.
// The prediction flags in these dummy entries are initialized to 0.
// 0 - inter/inter, inter/--, --/inter, --/--
// 1 - intra/inter, inter/intra
// 2 - intra/--, --/intra
// 3 - intra/intra
static INLINE int get_intra_inter_context(const MACROBLOCKD *xd) {
const MODE_INFO *const above_mi = xd->above_mi;
const MODE_INFO *const left_mi = xd->left_mi;
const int has_above = !!above_mi;
const int has_left = !!left_mi;
if (has_above && has_left) { // both edges available
const int above_intra = !is_inter_block(above_mi);
const int left_intra = !is_inter_block(left_mi);
return left_intra && above_intra ? 3 : left_intra || above_intra;
} else if (has_above || has_left) { // one edge available
return 2 * !is_inter_block(has_above ? above_mi : left_mi);
}
return 0;
}
static INLINE vpx_prob vp9_get_intra_inter_prob(const VP9_COMMON *cm, static INLINE vpx_prob vp9_get_intra_inter_prob(const VP9_COMMON *cm,
const MACROBLOCKD *xd) { const MACROBLOCKD *xd) {
return cm->fc->intra_inter_prob[vp9_get_intra_inter_context(xd)]; return cm->fc->intra_inter_prob[get_intra_inter_context(xd)];
} }
int vp9_get_reference_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd); int vp9_get_reference_mode_context(const VP9_COMMON *cm, const MACROBLOCKD *xd);

2
vp9/decoder/vp9_decodemv.c
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@ -483,7 +483,7 @@ static int read_is_inter_block(VP9_COMMON *const cm, MACROBLOCKD *const xd,
if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) { if (segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME)) {
return get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME) != INTRA_FRAME; return get_segdata(&cm->seg, segment_id, SEG_LVL_REF_FRAME) != INTRA_FRAME;
} else { } else {
const int ctx = vp9_get_intra_inter_context(xd); const int ctx = get_intra_inter_context(xd);
const int is_inter = vpx_read(r, cm->fc->intra_inter_prob[ctx]); const int is_inter = vpx_read(r, cm->fc->intra_inter_prob[ctx]);
FRAME_COUNTS *counts = xd->counts; FRAME_COUNTS *counts = xd->counts;
if (counts) if (counts)

2
vp9/encoder/vp9_encodeframe.c
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@ -1404,7 +1404,7 @@ static void update_stats(VP9_COMMON *cm, ThreadData *td) {
const int seg_ref_active = segfeature_active(&cm->seg, mi->segment_id, const int seg_ref_active = segfeature_active(&cm->seg, mi->segment_id,
SEG_LVL_REF_FRAME); SEG_LVL_REF_FRAME);
if (!seg_ref_active) { if (!seg_ref_active) {
counts->intra_inter[vp9_get_intra_inter_context(xd)][inter_block]++; counts->intra_inter[get_intra_inter_context(xd)][inter_block]++;
// If the segment reference feature is enabled we have only a single // If the segment reference feature is enabled we have only a single
// reference frame allowed for the segment so exclude it from // reference frame allowed for the segment so exclude it from
// the reference frame counts used to work out probabilities. // the reference frame counts used to work out probabilities.