wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-10-07 15:57:31 +09:00
Code Issues Projects Releases Packages Wiki Activity

Update aom to commit id f5bdeac22930ff4c6b219be49c843db35970b918

Browse source
This commit is contained in:
trav90 2018-10-18 06:04:57 -05:00 • committed by Roy Tam
commit 2ab8fcbfd1
370 changed files with 56185 additions and 32026 deletions
Download patch file Download diff file Expand all files Collapse all files

56
third_party/aom/av1/common/scale.c vendored
View file

@ -14,17 +14,28 @@
#include "av1/common/scale.h"
#include "aom_dsp/aom_filter.h"
// Note: Expect val to be in q4 precision
static INLINE int scaled_x(int val, const struct scale_factors *sf) {
return (int)((int64_t)val * sf->x_scale_fp >> REF_SCALE_SHIFT);
const int off =
(sf->x_scale_fp - (1 << REF_SCALE_SHIFT)) * (1 << (SUBPEL_BITS - 1));
const int64_t tval = (int64_t)val * sf->x_scale_fp + off;
return (int)ROUND_POWER_OF_TWO_SIGNED_64(tval,
REF_SCALE_SHIFT - SCALE_EXTRA_BITS);
}
// Note: Expect val to be in q4 precision
static INLINE int scaled_y(int val, const struct scale_factors *sf) {
return (int)((int64_t)val * sf->y_scale_fp >> REF_SCALE_SHIFT);
const int off =
(sf->y_scale_fp - (1 << REF_SCALE_SHIFT)) * (1 << (SUBPEL_BITS - 1));
const int64_t tval = (int64_t)val * sf->y_scale_fp + off;
return (int)ROUND_POWER_OF_TWO_SIGNED_64(tval,
REF_SCALE_SHIFT - SCALE_EXTRA_BITS);
}
// Note: Expect val to be in q4 precision
static int unscaled_value(int val, const struct scale_factors *sf) {
(void)sf;
return val;
return val << SCALE_EXTRA_BITS;
}
static int get_fixed_point_scale_factor(int other_size, int this_size) {
@ -32,14 +43,24 @@ static int get_fixed_point_scale_factor(int other_size, int this_size) {
// and use fixed point scaling factors in decoding and encoding routines.
// Hardware implementations can calculate scale factor in device driver
// and use multiplication and shifting on hardware instead of division.
return (other_size << REF_SCALE_SHIFT) / this_size;
return ((other_size << REF_SCALE_SHIFT) + this_size / 2) / this_size;
}
MV32 av1_scale_mv(const MV *mv, int x, int y, const struct scale_factors *sf) {
const int x_off_q4 = scaled_x(x << SUBPEL_BITS, sf) & SUBPEL_MASK;
const int y_off_q4 = scaled_y(y << SUBPEL_BITS, sf) & SUBPEL_MASK;
const MV32 res = { scaled_y(mv->row, sf) + y_off_q4,
scaled_x(mv->col, sf) + x_off_q4 };
static int get_coarse_point_scale_factor(int other_size, int this_size) {
// Calculate scaling factor once for each reference frame
// and use fixed point scaling factors in decoding and encoding routines.
// Hardware implementations can calculate scale factor in device driver
// and use multiplication and shifting on hardware instead of division.
return ((other_size << SCALE_SUBPEL_BITS) + this_size / 2) / this_size;
}
// Note: x and y are integer precision, mvq4 is q4 precision.
MV32 av1_scale_mv(const MV *mvq4, int x, int y,
const struct scale_factors *sf) {
const int x_off_q4 = scaled_x(x << SUBPEL_BITS, sf);
const int y_off_q4 = scaled_y(y << SUBPEL_BITS, sf);
const MV32 res = { scaled_y((y << SUBPEL_BITS) + mvq4->row, sf) - y_off_q4,
scaled_x((x << SUBPEL_BITS) + mvq4->col, sf) - x_off_q4 };
return res;
}
@ -59,8 +80,9 @@ void av1_setup_scale_factors_for_frame(struct scale_factors *sf, int other_w,
sf->x_scale_fp = get_fixed_point_scale_factor(other_w, this_w);
sf->y_scale_fp = get_fixed_point_scale_factor(other_h, this_h);
sf->x_step_q4 = scaled_x(16, sf);
sf->y_step_q4 = scaled_y(16, sf);
sf->x_step_q4 = get_coarse_point_scale_factor(other_w, this_w);
sf->y_step_q4 = get_coarse_point_scale_factor(other_h, this_h);
if (av1_is_scaled(sf)) {
sf->scale_value_x = scaled_x;
@ -76,8 +98,8 @@ void av1_setup_scale_factors_for_frame(struct scale_factors *sf, int other_w,
// applied in one direction only, and not at all for 0,0, seems to give the
// best quality, but it may be worth trying an additional mode that does
// do the filtering on full-pel.
if (sf->x_step_q4 == 16) {
if (sf->y_step_q4 == 16) {
if (sf->x_step_q4 == SCALE_SUBPEL_SHIFTS) {
if (sf->y_step_q4 == SCALE_SUBPEL_SHIFTS) {
// No scaling in either direction.
sf->predict[0][0][0] = aom_convolve_copy;
sf->predict[0][0][1] = aom_convolve_avg;
@ -95,7 +117,7 @@ void av1_setup_scale_factors_for_frame(struct scale_factors *sf, int other_w,
sf->predict[1][0][1] = aom_convolve8_avg;
}
} else {
if (sf->y_step_q4 == 16) {
if (sf->y_step_q4 == SCALE_SUBPEL_SHIFTS) {
// No scaling in the y direction. Must always scale in the x direction.
sf->predict[0][0][0] = aom_convolve8_horiz;
sf->predict[0][0][1] = aom_convolve8_avg_horiz;
@ -119,8 +141,8 @@ void av1_setup_scale_factors_for_frame(struct scale_factors *sf, int other_w,
#if CONFIG_HIGHBITDEPTH
if (use_highbd) {
if (sf->x_step_q4 == 16) {
if (sf->y_step_q4 == 16) {
if (sf->x_step_q4 == SCALE_SUBPEL_SHIFTS) {
if (sf->y_step_q4 == SCALE_SUBPEL_SHIFTS) {
// No scaling in either direction.
sf->highbd_predict[0][0][0] = aom_highbd_convolve_copy;
sf->highbd_predict[0][0][1] = aom_highbd_convolve_avg;
@ -138,7 +160,7 @@ void av1_setup_scale_factors_for_frame(struct scale_factors *sf, int other_w,
sf->highbd_predict[1][0][1] = aom_highbd_convolve8_avg;
}
} else {
if (sf->y_step_q4 == 16) {
if (sf->y_step_q4 == SCALE_SUBPEL_SHIFTS) {
// No scaling in the y direction. Must always scale in the x direction.
sf->highbd_predict[0][0][0] = aom_highbd_convolve8_horiz;
sf->highbd_predict[0][0][1] = aom_highbd_convolve8_avg_horiz;