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Update aom to commit id e87fb2378f01103d5d6e477a4ef6892dc714e614

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trav90 2018-10-18 21:53:44 -05:00 • committed by Roy Tam
commit 992c6637e3
429 changed files with 76047 additions and 40937 deletions
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60
third_party/aom/aom_dsp/binary_codes_writer.c vendored
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@ -10,6 +10,7 @@
*/
#include "aom_dsp/bitwriter.h"
#include "aom_dsp/binary_codes_writer.h"
#include "av1/common/common.h"
@ -68,6 +69,19 @@ void aom_write_primitive_quniform(aom_writer *w, uint16_t n, uint16_t v) {
}
}
static void aom_wb_write_primitive_quniform(struct aom_write_bit_buffer *wb,
uint16_t n, uint16_t v) {
if (n <= 1) return;
const int l = get_msb(n - 1) + 1;
const int m = (1 << l) - n;
if (v < m) {
aom_wb_write_literal(wb, v, l - 1);
} else {
aom_wb_write_literal(wb, m + ((v - m) >> 1), l - 1);
aom_wb_write_bit(wb, (v - m) & 1);
}
}
int aom_count_primitive_quniform(uint16_t n, uint16_t v) {
if (n <= 1) return 0;
const int l = get_msb(n - 1) + 1;
@ -155,6 +169,31 @@ void aom_write_primitive_subexpfin(aom_writer *w, uint16_t n, uint16_t k,
}
}
static void aom_wb_write_primitive_subexpfin(struct aom_write_bit_buffer *wb,
uint16_t n, uint16_t k,
uint16_t v) {
int i = 0;
int mk = 0;
while (1) {
int b = (i ? k + i - 1 : k);
int a = (1 << b);
if (n <= mk + 3 * a) {
aom_wb_write_primitive_quniform(wb, n - mk, v - mk);
break;
} else {
int t = (v >= mk + a);
aom_wb_write_bit(wb, t);
if (t) {
i = i + 1;
mk += a;
} else {
aom_wb_write_literal(wb, v - mk, b);
break;
}
}
}
}
int aom_count_primitive_subexpfin(uint16_t n, uint16_t k, uint16_t v) {
int count = 0;
int i = 0;
@ -184,19 +223,34 @@ int aom_count_primitive_subexpfin(uint16_t n, uint16_t k, uint16_t v) {
// based on a reference ref also in [0, n-1].
// Recenters symbol around r first and then uses a finite subexponential code.
void aom_write_primitive_refsubexpfin(aom_writer *w, uint16_t n, uint16_t k,
int16_t ref, int16_t v) {
uint16_t ref, uint16_t v) {
aom_write_primitive_subexpfin(w, n, k, recenter_finite_nonneg(n, ref, v));
}
static void aom_wb_write_primitive_refsubexpfin(struct aom_write_bit_buffer *wb,
uint16_t n, uint16_t k,
uint16_t ref, uint16_t v) {
aom_wb_write_primitive_subexpfin(wb, n, k, recenter_finite_nonneg(n, ref, v));
}
void aom_write_signed_primitive_refsubexpfin(aom_writer *w, uint16_t n,
uint16_t k, uint16_t ref,
uint16_t v) {
uint16_t k, int16_t ref,
int16_t v) {
ref += n - 1;
v += n - 1;
const uint16_t scaled_n = (n << 1) - 1;
aom_write_primitive_refsubexpfin(w, scaled_n, k, ref, v);
}
void aom_wb_write_signed_primitive_refsubexpfin(struct aom_write_bit_buffer *wb,
uint16_t n, uint16_t k,
int16_t ref, int16_t v) {
ref += n - 1;
v += n - 1;
const uint16_t scaled_n = (n << 1) - 1;
aom_wb_write_primitive_refsubexpfin(wb, scaled_n, k, ref, v);
}
int aom_count_primitive_refsubexpfin(uint16_t n, uint16_t k, uint16_t ref,
uint16_t v) {
return aom_count_primitive_subexpfin(n, k, recenter_finite_nonneg(n, ref, v));