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Unified Diff: source/libvpx/vp9/common/vp9_entropymv.c

Issue 23530058: libvpx: Pull from upstream (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 7 years, 3 months ago
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Index: source/libvpx/vp9/common/vp9_entropymv.c
===================================================================
--- source/libvpx/vp9/common/vp9_entropymv.c (revision 223100)
+++ source/libvpx/vp9/common/vp9_entropymv.c (working copy)
@@ -79,20 +79,59 @@
#define mv_class_base(c) ((c) ? (CLASS0_SIZE << (c + 2)) : 0)
+static const uint8_t log_in_base_2[] = {
+ 0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
+ 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
+ 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10
+};
+
MV_CLASS_TYPE vp9_get_mv_class(int z, int *offset) {
MV_CLASS_TYPE c = MV_CLASS_0;
- if (z < CLASS0_SIZE * 8) c = MV_CLASS_0;
- else if (z < CLASS0_SIZE * 16) c = MV_CLASS_1;
- else if (z < CLASS0_SIZE * 32) c = MV_CLASS_2;
- else if (z < CLASS0_SIZE * 64) c = MV_CLASS_3;
- else if (z < CLASS0_SIZE * 128) c = MV_CLASS_4;
- else if (z < CLASS0_SIZE * 256) c = MV_CLASS_5;
- else if (z < CLASS0_SIZE * 512) c = MV_CLASS_6;
- else if (z < CLASS0_SIZE * 1024) c = MV_CLASS_7;
- else if (z < CLASS0_SIZE * 2048) c = MV_CLASS_8;
- else if (z < CLASS0_SIZE * 4096) c = MV_CLASS_9;
- else if (z < CLASS0_SIZE * 8192) c = MV_CLASS_10;
- else assert(0);
+ if (z >= CLASS0_SIZE * 4096)
+ c = MV_CLASS_10;
+ else
+ c = log_in_base_2[z >> 3];
+
if (offset)
*offset = z - mv_class_base(c);
return c;
@@ -110,8 +149,6 @@
static void inc_mv_component(int v, nmv_component_counts *comp_counts,
int incr, int usehp) {
int s, z, c, o, d, e, f;
- if (!incr)
- return;
assert (v != 0); /* should not be zero */
s = v < 0;
comp_counts->sign[s] += incr;
@@ -123,61 +160,39 @@
d = (o >> 3); /* int mv data */
f = (o >> 1) & 3; /* fractional pel mv data */
e = (o & 1); /* high precision mv data */
+
if (c == MV_CLASS_0) {
comp_counts->class0[d] += incr;
+ comp_counts->class0_fp[d][f] += incr;
+ comp_counts->class0_hp[e] += usehp * incr;
} else {
int i;
int b = c + CLASS0_BITS - 1; // number of bits
for (i = 0; i < b; ++i)
comp_counts->bits[i][((d >> i) & 1)] += incr;
- }
-
- /* Code the fractional pel bits */
- if (c == MV_CLASS_0) {
- comp_counts->class0_fp[d][f] += incr;
- } else {
comp_counts->fp[f] += incr;
+ comp_counts->hp[e] += usehp * incr;
}
-
- /* Code the high precision bit */
- if (usehp) {
- if (c == MV_CLASS_0) {
- comp_counts->class0_hp[e] += incr;
- } else {
- comp_counts->hp[e] += incr;
- }
- }
}
-static void counts_to_context(nmv_component_counts *mvcomp, int usehp) {
- int v;
- vpx_memset(mvcomp->sign, 0, sizeof(nmv_component_counts) - sizeof(mvcomp->mvcount));
- for (v = 1; v <= MV_MAX; v++) {
- inc_mv_component(-v, mvcomp, mvcomp->mvcount[MV_MAX - v], usehp);
- inc_mv_component( v, mvcomp, mvcomp->mvcount[MV_MAX + v], usehp);
- }
-}
void vp9_inc_mv(const MV *mv, nmv_context_counts *counts) {
const MV_JOINT_TYPE j = vp9_get_mv_joint(mv);
++counts->joints[j];
- if (mv_joint_vertical(j))
- ++counts->comps[0].mvcount[MV_MAX + mv->row];
+ if (mv_joint_vertical(j)) {
+ inc_mv_component(mv->row, &counts->comps[0], 1, 1);
+ }
- if (mv_joint_horizontal(j))
- ++counts->comps[1].mvcount[MV_MAX + mv->col];
+ if (mv_joint_horizontal(j)) {
+ inc_mv_component(mv->col, &counts->comps[1], 1, 1);
+ }
}
static vp9_prob adapt_prob(vp9_prob prep, const unsigned int ct[2]) {
return merge_probs2(prep, ct, MV_COUNT_SAT, MV_MAX_UPDATE_FACTOR);
}
-void vp9_counts_process(nmv_context_counts *nmv_count, int usehp) {
- counts_to_context(&nmv_count->comps[0], usehp);
- counts_to_context(&nmv_count->comps[1], usehp);
-}
-
static unsigned int adapt_probs(unsigned int i,
vp9_tree tree,
vp9_prob this_probs[],
@@ -207,8 +222,6 @@
nmv_context *pre_ctx = &pre_fc->nmvc;
nmv_context_counts *cts = &cm->counts.mv;
- vp9_counts_process(cts, allow_hp);
-
adapt_probs(0, vp9_mv_joint_tree, ctx->joints, pre_ctx->joints, cts->joints);
for (i = 0; i < 2; ++i) {
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