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[libvpx] Update to v1.8.1 from https://chromium.googlesource.com/webm/libvpx

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This commit is contained in:
Anthony Minessale
2019-09-11 15:51:47 +00:00
committed by Andrey Volk
parent 34fcadbd53
commit ceb051af4e
821 changed files with 89961 additions and 48650 deletions
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9
libs/libvpx/vp8/common/treecoder.c
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@@ -12,6 +12,7 @@
#include <stdio.h>
#include "vp8/common/treecoder.h"
#include "vpx/vpx_integer.h"
static void tree2tok(struct vp8_token_struct *const p, vp8_tree t, int i, int v,
int L) {
@@ -79,7 +80,7 @@ void vp8_tree_probs_from_distribution(int n, /* n = size of alphabet */
vp8_prob probs[/* n-1 */],
unsigned int branch_ct[/* n-1 */][2],
const unsigned int num_events[/* n */],
unsigned int Pfac, int rd) {
unsigned int Pfactor, int Round) {
const int tree_len = n - 1;
int t = 0;
@@ -89,10 +90,10 @@ void vp8_tree_probs_from_distribution(int n, /* n = size of alphabet */
const unsigned int *const c = branch_ct[t];
const unsigned int tot = c[0] + c[1];
assert(tot < (1 << 24)); /* no overflow below */
if (tot) {
const unsigned int p = ((c[0] * Pfac) + (rd ? tot >> 1 : 0)) / tot;
const unsigned int p =
(unsigned int)(((uint64_t)c[0] * Pfactor) + (Round ? tot >> 1 : 0)) /
tot;
probs[t] = p < 256 ? (p ? p : 1) : 255; /* agree w/old version for now */
} else {
probs[t] = vp8_prob_half;