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体验新版 GitCode,发现更多精彩内容 >>
提交
9280fc7d
编写于
4月 09, 2013
作者:
M
Michael Niedermayer
浏览文件
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浏览文件
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电子邮件补丁
差异文件
vf_curves: add option to set all curves at once
Reviewed-by: ubitux Signed-off-by:
N
Michael Niedermayer
<
michaelni@gmx.at
>
上级
81c1ed74
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
17 addition
and
1 deletion
+17
-1
doc/filters.texi
doc/filters.texi
+5
-0
libavfilter/vf_curves.c
libavfilter/vf_curves.c
+12
-1
未找到文件。
doc/filters.texi
浏览文件 @
9280fc7d
...
...
@@ -2385,6 +2385,11 @@ Set the key points for the red component.
Set the key points for the green component.
@item blue, b
Set the key points for the blue component.
@item all
Set the key points for all components.
Can be used in addition to the other key points component
options. In this case, the unset component(s) will fallback on this
@option{all} setting.
@item preset
Select one of the available color presets. This option can not be used in
addition to the @option{r}, @option{g}, @option{b} parameters.
...
...
libavfilter/vf_curves.c
浏览文件 @
9280fc7d
...
...
@@ -52,6 +52,7 @@ typedef struct {
const
AVClass
*
class
;
enum
preset
preset
;
char
*
comp_points_str
[
NB_COMP
];
char
*
comp_points_str_all
;
uint8_t
graph
[
NB_COMP
][
256
];
}
CurvesContext
;
...
...
@@ -64,6 +65,7 @@ static const AVOption curves_options[] = {
{
"g"
,
"set green points coordinates"
,
OFFSET
(
comp_points_str
[
1
]),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
.
flags
=
FLAGS
},
{
"blue"
,
"set blue points coordinates"
,
OFFSET
(
comp_points_str
[
2
]),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
.
flags
=
FLAGS
},
{
"b"
,
"set blue points coordinates"
,
OFFSET
(
comp_points_str
[
2
]),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
.
flags
=
FLAGS
},
{
"all"
,
"set points coordinates for all components"
,
OFFSET
(
comp_points_str_all
),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
.
flags
=
FLAGS
},
{
"preset"
,
"select a color curves preset"
,
OFFSET
(
preset
),
AV_OPT_TYPE_INT
,
{.
i64
=
PRESET_NONE
},
PRESET_NONE
,
NB_PRESETS
-
1
,
FLAGS
,
"preset_name"
},
{
"color_negative"
,
NULL
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
PRESET_COLOR_NEGATIVE
},
INT_MIN
,
INT_MAX
,
FLAGS
,
"preset_name"
},
{
"cross_process"
,
NULL
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
PRESET_CROSS_PROCESS
},
INT_MIN
,
INT_MAX
,
FLAGS
,
"preset_name"
},
...
...
@@ -318,9 +320,18 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
int
i
,
j
,
ret
;
CurvesContext
*
curves
=
ctx
->
priv
;
struct
keypoint
*
comp_points
[
NB_COMP
]
=
{
0
};
char
**
pts
=
curves
->
comp_points_str
;
if
(
curves
->
comp_points_str_all
)
{
for
(
i
=
0
;
i
<
NB_COMP
;
i
++
)
{
if
(
!
pts
[
i
])
pts
[
i
]
=
av_strdup
(
curves
->
comp_points_str_all
);
if
(
!
pts
[
i
])
return
AVERROR
(
ENOMEM
);
}
}
if
(
curves
->
preset
!=
PRESET_NONE
)
{
char
**
pts
=
curves
->
comp_points_str
;
if
(
pts
[
0
]
||
pts
[
1
]
||
pts
[
2
])
{
av_log
(
ctx
,
AV_LOG_ERROR
,
"It is not possible to mix a preset "
"with explicit points placements
\n
"
);
...
...
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