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Xiph.Org
aom-rav1e
Commits
b19126b2
Commit
b19126b2
authored
Sep 09, 2013
by
Yaowu Xu
Committed by
Gerrit Code Review
Sep 09, 2013
Browse files
Merge "Reduce the amount of extension in src frames"
parents
740acd68
65c2444e
Changes
1
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Inline
Side-by-side
vp9/common/vp9_extend.c
View file @
b19126b2
...
...
@@ -57,15 +57,23 @@ static void copy_and_extend_plane(const uint8_t *src, int src_pitch,
void
vp9_copy_and_extend_frame
(
const
YV12_BUFFER_CONFIG
*
src
,
YV12_BUFFER_CONFIG
*
dst
)
{
const
int
et_y
=
dst
->
border
;
const
int
el_y
=
dst
->
border
;
const
int
eb_y
=
dst
->
border
+
dst
->
y_height
-
src
->
y_height
;
const
int
er_y
=
dst
->
border
+
dst
->
y_width
-
src
->
y_width
;
const
int
et_uv
=
dst
->
border
>>
(
dst
->
uv_height
!=
dst
->
y_height
);
const
int
el_uv
=
dst
->
border
>>
(
dst
->
uv_width
!=
dst
->
y_width
);
const
int
eb_uv
=
et_uv
+
dst
->
uv_height
-
src
->
uv_height
;
const
int
er_uv
=
el_uv
+
dst
->
uv_width
-
src
->
uv_width
;
// Extend src frame in buffer
// Altref filtering assumes 16 pixel extension
const
int
et_y
=
16
;
const
int
el_y
=
16
;
// Motion estimation may use src block variance with the block size up
// to 64x64, so the right and bottom need to be extended to 64 mulitple
// or up to 16, whichever is greater.
const
int
eb_y
=
MAX
(
ALIGN_POWER_OF_TWO
(
src
->
y_width
,
6
)
-
src
->
y_width
,
16
);
const
int
er_y
=
MAX
(
ALIGN_POWER_OF_TWO
(
src
->
y_height
,
6
)
-
src
->
y_height
,
16
);
const
int
uv_width_subsampling
=
(
src
->
uv_width
!=
src
->
y_width
);
const
int
uv_height_subsampling
=
(
src
->
uv_height
!=
src
->
y_height
);
const
int
et_uv
=
et_y
>>
uv_height_subsampling
;
const
int
el_uv
=
el_y
>>
uv_width_subsampling
;
const
int
eb_uv
=
eb_y
>>
uv_height_subsampling
;
const
int
er_uv
=
er_y
>>
uv_width_subsampling
;
#if CONFIG_ALPHA
const
int
et_a
=
dst
->
border
>>
(
dst
->
alpha_height
!=
dst
->
y_height
);
...
...
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