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Linshizhi
ffmpeg.wasm-core
Commits
afaa4a89
Commit
afaa4a89
authored
Dec 04, 2014
by
Stefano Sabatini
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lavfi/blend: add difference128 mode
parent
7c210c44
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3 changed files
with
6 additions
and
1 deletion
+6
-1
filters.texi
doc/filters.texi
+1
-0
version.h
libavfilter/version.h
+1
-1
vf_blend.c
libavfilter/vf_blend.c
+4
-0
No files found.
doc/filters.texi
View file @
afaa4a89
...
...
@@ -2661,6 +2661,7 @@ Available values for component modes are:
@item burn
@item darken
@item difference
@item difference128
@item divide
@item dodge
@item exclusion
...
...
libavfilter/version.h
View file @
afaa4a89
...
...
@@ -31,7 +31,7 @@
#define LIBAVFILTER_VERSION_MAJOR 5
#define LIBAVFILTER_VERSION_MINOR 5
#define LIBAVFILTER_VERSION_MICRO 10
1
#define LIBAVFILTER_VERSION_MICRO 10
2
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \
...
...
libavfilter/vf_blend.c
View file @
afaa4a89
...
...
@@ -41,6 +41,7 @@ enum BlendMode {
BLEND_BURN
,
BLEND_DARKEN
,
BLEND_DIFFERENCE
,
BLEND_DIFFERENCE128
,
BLEND_DIVIDE
,
BLEND_DODGE
,
BLEND_EXCLUSION
,
...
...
@@ -112,6 +113,7 @@ static const AVOption blend_options[] = {
{
"burn"
,
""
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
BLEND_BURN
},
0
,
0
,
FLAGS
,
"mode"
},
{
"darken"
,
""
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
BLEND_DARKEN
},
0
,
0
,
FLAGS
,
"mode"
},
{
"difference"
,
""
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
BLEND_DIFFERENCE
},
0
,
0
,
FLAGS
,
"mode"
},
{
"difference128"
,
""
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
BLEND_DIFFERENCE128
},
0
,
0
,
FLAGS
,
"mode"
},
{
"divide"
,
""
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
BLEND_DIVIDE
},
0
,
0
,
FLAGS
,
"mode"
},
{
"dodge"
,
""
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
BLEND_DODGE
},
0
,
0
,
FLAGS
,
"mode"
},
{
"exclusion"
,
""
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
BLEND_EXCLUSION
},
0
,
0
,
FLAGS
,
"mode"
},
...
...
@@ -190,6 +192,7 @@ DEFINE_BLEND(subtract, FFMAX(0, A - B))
DEFINE_BLEND
(
multiply
,
MULTIPLY
(
1
,
A
,
B
))
DEFINE_BLEND
(
negation
,
255
-
FFABS
(
255
-
A
-
B
))
DEFINE_BLEND
(
difference
,
FFABS
(
A
-
B
))
DEFINE_BLEND
(
difference128
,
av_clip_uint8
(
128
+
A
-
B
))
DEFINE_BLEND
(
screen
,
SCREEN
(
1
,
A
,
B
))
DEFINE_BLEND
(
overlay
,
(
A
<
128
)
?
MULTIPLY
(
2
,
A
,
B
)
:
SCREEN
(
2
,
A
,
B
))
DEFINE_BLEND
(
hardlight
,
(
B
<
128
)
?
MULTIPLY
(
2
,
B
,
A
)
:
SCREEN
(
2
,
B
,
A
))
...
...
@@ -310,6 +313,7 @@ static av_cold int init(AVFilterContext *ctx)
case
BLEND_BURN
:
param
->
blend
=
blend_burn
;
break
;
case
BLEND_DARKEN
:
param
->
blend
=
blend_darken
;
break
;
case
BLEND_DIFFERENCE
:
param
->
blend
=
blend_difference
;
break
;
case
BLEND_DIFFERENCE128
:
param
->
blend
=
blend_difference128
;
break
;
case
BLEND_DIVIDE
:
param
->
blend
=
blend_divide
;
break
;
case
BLEND_DODGE
:
param
->
blend
=
blend_dodge
;
break
;
case
BLEND_EXCLUSION
:
param
->
blend
=
blend_exclusion
;
break
;
...
...
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