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Update libaom to commit ID 1e227d41f0616de9548a673a83a21ef990b62591

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trav90 2018-10-19 23:05:00 -05:00 • committed by Roy Tam
commit 368651059a
526 changed files with 34535 additions and 15900 deletions
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18
third_party/aom/aom_dsp/binary_codes_writer.c vendored
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@ -59,7 +59,7 @@ int aom_count_primitive_symmetric(int16_t v, unsigned int abs_bits) {
// Encodes a value v in [0, n-1] quasi-uniformly
void aom_write_primitive_quniform(aom_writer *w, uint16_t n, uint16_t v) {
if (n <= 1) return;
const int l = get_msb(n - 1) + 1;
const int l = get_msb(n) + 1;
const int m = (1 << l) - n;
if (v < m) {
aom_write_literal(w, v, l - 1);
@ -72,7 +72,7 @@ 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 l = get_msb(n) + 1;
const int m = (1 << l) - n;
if (v < m) {
aom_wb_write_literal(wb, v, l - 1);
@ -84,7 +84,7 @@ static void aom_wb_write_primitive_quniform(struct aom_write_bit_buffer *wb,
int aom_count_primitive_quniform(uint16_t n, uint16_t v) {
if (n <= 1) return 0;
const int l = get_msb(n - 1) + 1;
const int l = get_msb(n) + 1;
const int m = (1 << l) - n;
return v < m ? l - 1 : l;
}
@ -208,15 +208,3 @@ int aom_count_signed_primitive_refsubexpfin(uint16_t n, uint16_t k, int16_t ref,
const uint16_t scaled_n = (n << 1) - 1;
return aom_count_primitive_refsubexpfin(scaled_n, k, ref, v);
}
void aom_wb_write_uvlc(struct aom_write_bit_buffer *wb, uint32_t v) {
int64_t shift_val = ++v;
int leading_zeroes = 1;
assert(shift_val > 0);
while (shift_val >>= 1) leading_zeroes += 2;
aom_wb_write_literal(wb, 0, leading_zeroes >> 1);
aom_wb_write_unsigned_literal(wb, v, (leading_zeroes + 1) >> 1);
}