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Xiph.Org
aom-rav1e
Commits
19272d86
Commit
19272d86
authored
Nov 09, 2015
by
JackyChen
Browse files
VP9 noise estimate: no noise estimate if frame size change.
Change-Id: I521f7b53c143d562a88fe7de330aa3f0ef09f414
parent
394d6c12
Changes
2
Hide whitespace changes
Inline
Side-by-side
vp9/encoder/vp9_noise_estimate.c
View file @
19272d86
...
...
@@ -29,6 +29,8 @@ void vp9_noise_estimate_init(NOISE_ESTIMATE *const ne,
ne
->
value
=
0
;
ne
->
count
=
0
;
ne
->
thresh
=
90
;
ne
->
last_w
=
0
;
ne
->
last_h
=
0
;
if
(
width
*
height
>=
1920
*
1080
)
{
ne
->
thresh
=
200
;
}
else
if
(
width
*
height
>=
1280
*
720
)
{
...
...
@@ -100,11 +102,17 @@ void vp9_update_noise_estimate(VP9_COMP *const cpi) {
ne
->
enabled
=
enable_noise_estimation
(
cpi
);
if
(
!
ne
->
enabled
||
cm
->
current_video_frame
%
frame_period
!=
0
||
last_source
==
NULL
)
{
last_source
==
NULL
||
ne
->
last_w
!=
cm
->
width
||
ne
->
last_h
!=
cm
->
height
)
{
#if CONFIG_VP9_TEMPORAL_DENOISING
if
(
cpi
->
oxcf
.
noise_sensitivity
>
0
)
copy_frame
(
&
cpi
->
denoiser
.
last_source
,
cpi
->
Source
);
#endif
if
(
last_source
!=
NULL
)
{
ne
->
last_w
=
cm
->
width
;
ne
->
last_h
=
cm
->
height
;
}
return
;
}
else
{
int
num_samples
=
0
;
...
...
@@ -185,6 +193,8 @@ void vp9_update_noise_estimate(VP9_COMP *const cpi) {
src_u
+=
(
src_uvstride
<<
2
)
-
(
cm
->
mi_cols
<<
2
);
src_v
+=
(
src_uvstride
<<
2
)
-
(
cm
->
mi_cols
<<
2
);
}
ne
->
last_w
=
cm
->
width
;
ne
->
last_h
=
cm
->
height
;
// Update noise estimate if we have at a minimum number of block samples,
// and avg_est > 0 (avg_est == 0 can happen if the application inputs
// duplicate frames).
...
...
vp9/encoder/vp9_noise_estimate.h
View file @
19272d86
...
...
@@ -35,6 +35,8 @@ typedef struct noise_estimate {
int
value
;
int
thresh
;
int
count
;
int
last_w
;
int
last_h
;
}
NOISE_ESTIMATE
;
struct
VP9_COMP
;
...
...
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