wuggy/Dactyloidae
wuggy/Dactyloidae
1
0
Fork 0
mirror of https://repo.dactyloidae.xyz/Dactyloidae/UXP.git synced 2026-10-10 01:07:31 +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

69
third_party/aom/av1/encoder/ratectrl.c vendored
View file

@ -94,8 +94,8 @@ static int kf_high = 5000;
static int kf_low = 400;
double av1_resize_rate_factor(const AV1_COMP *cpi) {
return (double)(cpi->resize_scale_den * cpi->resize_scale_den) /
(cpi->resize_scale_num * cpi->resize_scale_num);
return (double)(cpi->oxcf.width * cpi->oxcf.height) /
(cpi->common.width * cpi->common.height);
}
// Functions to compute the active minq lookup table entries based on a
@ -1081,7 +1081,7 @@ static int rc_pick_q_and_bounds_two_pass(const AV1_COMP *cpi, int *bottom_index,
}
// Modify active_best_quality for downscaled normal frames.
if (!av1_resize_unscaled(cpi) && !frame_is_kf_gf_arf(cpi)) {
if (!av1_frame_unscaled(cm) && !frame_is_kf_gf_arf(cpi)) {
int qdelta = av1_compute_qdelta_by_rate(
rc, cm->frame_type, active_best_quality, 2.0, cm->bit_depth);
active_best_quality =
@ -1164,7 +1164,7 @@ void av1_rc_set_frame_target(AV1_COMP *cpi, int target) {
rc->this_frame_target = target;
// Modify frame size target when down-scaled.
if (cpi->oxcf.resize_mode == RESIZE_DYNAMIC && !av1_resize_unscaled(cpi))
if (!av1_frame_unscaled(cm))
rc->this_frame_target =
(int)(rc->this_frame_target * av1_resize_rate_factor(cpi));
@ -1663,3 +1663,64 @@ void av1_set_target_rate(AV1_COMP *cpi) {
vbr_rate_correction(cpi, &target_rate);
av1_rc_set_frame_target(cpi, target_rate);
}
static unsigned int lcg_rand16(unsigned int *state) {
*state = (unsigned int)(*state * 1103515245ULL + 12345);
return *state / 65536 % 32768;
}
uint8_t av1_calculate_next_resize_scale(const AV1_COMP *cpi) {
static unsigned int seed = 56789;
const AV1EncoderConfig *oxcf = &cpi->oxcf;
if (oxcf->pass == 1) return SCALE_DENOMINATOR;
uint8_t new_num = SCALE_DENOMINATOR;
switch (oxcf->resize_mode) {
case RESIZE_NONE: new_num = SCALE_DENOMINATOR; break;
case RESIZE_FIXED:
if (cpi->common.frame_type == KEY_FRAME)
new_num = oxcf->resize_kf_scale_numerator;
else
new_num = oxcf->resize_scale_numerator;
break;
case RESIZE_DYNAMIC:
// RESIZE_DYNAMIC: Just random for now.
new_num = lcg_rand16(&seed) % 4 + 13;
break;
default: assert(0);
}
return new_num;
}
#if CONFIG_FRAME_SUPERRES
// TODO(afergs): Rename av1_rc_update_superres_scale(...)?
uint8_t av1_calculate_next_superres_scale(const AV1_COMP *cpi, int width,
int height) {
static unsigned int seed = 34567;
const AV1EncoderConfig *oxcf = &cpi->oxcf;
if (oxcf->pass == 1) return SCALE_DENOMINATOR;
uint8_t new_num = SCALE_DENOMINATOR;
switch (oxcf->superres_mode) {
case SUPERRES_NONE: new_num = SCALE_DENOMINATOR; break;
case SUPERRES_FIXED:
if (cpi->common.frame_type == KEY_FRAME)
new_num = oxcf->superres_kf_scale_numerator;
else
new_num = oxcf->superres_scale_numerator;
break;
case SUPERRES_DYNAMIC:
// SUPERRES_DYNAMIC: Just random for now.
new_num = lcg_rand16(&seed) % 9 + 8;
break;
default: assert(0);
}
// Make sure overall reduction is no more than 1/2 of the source size.
av1_calculate_scaled_size(&width, &height, new_num);
if (width * 2 < oxcf->width || height * 2 < oxcf->height)
new_num = SCALE_DENOMINATOR;
return new_num;
}
#endif // CONFIG_FRAME_SUPERRES