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Stefan Westerfeld
ffmpeg
Commits
835446a8
Commit
835446a8
authored
Mar 02, 2022
by
Paul B Mahol
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avfilter/vf_colorchannelmixer: refactor / add template
parent
6559858d
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2 changed files
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244 additions
and
360 deletions
+244
-360
colorchannelmixer_template.c
libavfilter/colorchannelmixer_template.c
+193
-0
vf_colorchannelmixer.c
libavfilter/vf_colorchannelmixer.c
+51
-360
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libavfilter/colorchannelmixer_template.c
0 → 100644
View file @
835446a8
/*
* Copyright (c) 2013 Paul B Mahol
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <float.h>
#undef pixel
#if DEPTH == 8
#define pixel uint8_t
#elif DEPTH == 16
#define pixel uint16_t
#endif
#undef fn
#undef fn2
#undef fn3
#define fn3(a,b) a##_##b
#define fn2(a,b) fn3(a,b)
#define fn(a) fn2(a, DEPTH)
static
av_always_inline
int
fn
(
filter_slice_rgba_planar
)(
AVFilterContext
*
ctx
,
void
*
arg
,
int
jobnr
,
int
nb_jobs
,
int
have_alpha
,
int
depth
,
int
pc
)
{
ColorChannelMixerContext
*
s
=
ctx
->
priv
;
ThreadData
*
td
=
arg
;
AVFrame
*
in
=
td
->
in
;
AVFrame
*
out
=
td
->
out
;
const
float
pa
=
s
->
preserve_amount
;
const
float
max
=
(
1
<<
depth
)
-
1
;
const
int
slice_start
=
(
out
->
height
*
jobnr
)
/
nb_jobs
;
const
int
slice_end
=
(
out
->
height
*
(
jobnr
+
1
))
/
nb_jobs
;
const
pixel
*
srcg
=
(
const
pixel
*
)(
in
->
data
[
0
]
+
slice_start
*
in
->
linesize
[
0
]);
const
pixel
*
srcb
=
(
const
pixel
*
)(
in
->
data
[
1
]
+
slice_start
*
in
->
linesize
[
1
]);
const
pixel
*
srcr
=
(
const
pixel
*
)(
in
->
data
[
2
]
+
slice_start
*
in
->
linesize
[
2
]);
const
pixel
*
srca
=
(
const
pixel
*
)(
in
->
data
[
3
]
+
slice_start
*
in
->
linesize
[
3
]);
pixel
*
dstg
=
(
pixel
*
)(
out
->
data
[
0
]
+
slice_start
*
out
->
linesize
[
0
]);
pixel
*
dstb
=
(
pixel
*
)(
out
->
data
[
1
]
+
slice_start
*
out
->
linesize
[
1
]);
pixel
*
dstr
=
(
pixel
*
)(
out
->
data
[
2
]
+
slice_start
*
out
->
linesize
[
2
]);
pixel
*
dsta
=
(
pixel
*
)(
out
->
data
[
3
]
+
slice_start
*
out
->
linesize
[
3
]);
for
(
int
i
=
slice_start
;
i
<
slice_end
;
i
++
)
{
for
(
int
j
=
0
;
j
<
out
->
width
;
j
++
)
{
const
pixel
rin
=
srcr
[
j
];
const
pixel
gin
=
srcg
[
j
];
const
pixel
bin
=
srcb
[
j
];
const
pixel
ain
=
have_alpha
?
srca
[
j
]
:
0
;
int
rout
,
gout
,
bout
;
rout
=
s
->
lut
[
R
][
R
][
rin
]
+
s
->
lut
[
R
][
G
][
gin
]
+
s
->
lut
[
R
][
B
][
bin
]
+
(
have_alpha
==
1
?
s
->
lut
[
R
][
A
][
ain
]
:
0
);
gout
=
s
->
lut
[
G
][
R
][
rin
]
+
s
->
lut
[
G
][
G
][
gin
]
+
s
->
lut
[
G
][
B
][
bin
]
+
(
have_alpha
==
1
?
s
->
lut
[
G
][
A
][
ain
]
:
0
);
bout
=
s
->
lut
[
B
][
R
][
rin
]
+
s
->
lut
[
B
][
G
][
gin
]
+
s
->
lut
[
B
][
B
][
bin
]
+
(
have_alpha
==
1
?
s
->
lut
[
B
][
A
][
ain
]
:
0
);
if
(
pc
)
{
float
frout
=
av_clipf
(
rout
,
0
.
f
,
max
);
float
fgout
=
av_clipf
(
gout
,
0
.
f
,
max
);
float
fbout
=
av_clipf
(
bout
,
0
.
f
,
max
);
float
lin
,
lout
;
preserve_color
(
s
->
preserve_color
,
rin
,
gin
,
bin
,
rout
,
gout
,
bout
,
max
,
&
lin
,
&
lout
);
preservel
(
&
frout
,
&
fgout
,
&
fbout
,
lin
,
lout
,
max
);
rout
=
lrintf
(
lerpf
(
rout
,
frout
,
pa
));
gout
=
lrintf
(
lerpf
(
gout
,
fgout
,
pa
));
bout
=
lrintf
(
lerpf
(
bout
,
fbout
,
pa
));
}
dstr
[
j
]
=
av_clip_uintp2
(
rout
,
depth
);
dstg
[
j
]
=
av_clip_uintp2
(
gout
,
depth
);
dstb
[
j
]
=
av_clip_uintp2
(
bout
,
depth
);
if
(
have_alpha
==
1
)
{
dsta
[
j
]
=
av_clip_uintp2
(
s
->
lut
[
A
][
R
][
rin
]
+
s
->
lut
[
A
][
G
][
gin
]
+
s
->
lut
[
A
][
B
][
bin
]
+
s
->
lut
[
A
][
A
][
ain
],
depth
);
}
}
srcg
+=
in
->
linesize
[
0
]
/
sizeof
(
pixel
);
srcb
+=
in
->
linesize
[
1
]
/
sizeof
(
pixel
);
srcr
+=
in
->
linesize
[
2
]
/
sizeof
(
pixel
);
srca
+=
in
->
linesize
[
3
]
/
sizeof
(
pixel
);
dstg
+=
out
->
linesize
[
0
]
/
sizeof
(
pixel
);
dstb
+=
out
->
linesize
[
1
]
/
sizeof
(
pixel
);
dstr
+=
out
->
linesize
[
2
]
/
sizeof
(
pixel
);
dsta
+=
out
->
linesize
[
3
]
/
sizeof
(
pixel
);
}
return
0
;
}
static
av_always_inline
int
fn
(
filter_slice_rgba_packed
)(
AVFilterContext
*
ctx
,
void
*
arg
,
int
jobnr
,
int
nb_jobs
,
int
have_alpha
,
int
step
,
int
pc
,
int
depth
)
{
ColorChannelMixerContext
*
s
=
ctx
->
priv
;
ThreadData
*
td
=
arg
;
AVFrame
*
in
=
td
->
in
;
AVFrame
*
out
=
td
->
out
;
const
float
pa
=
s
->
preserve_amount
;
const
float
max
=
(
1
<<
depth
)
-
1
;
const
int
slice_start
=
(
out
->
height
*
jobnr
)
/
nb_jobs
;
const
int
slice_end
=
(
out
->
height
*
(
jobnr
+
1
))
/
nb_jobs
;
const
uint8_t
roffset
=
s
->
rgba_map
[
R
];
const
uint8_t
goffset
=
s
->
rgba_map
[
G
];
const
uint8_t
boffset
=
s
->
rgba_map
[
B
];
const
uint8_t
aoffset
=
s
->
rgba_map
[
A
];
const
uint8_t
*
srcrow
=
in
->
data
[
0
]
+
slice_start
*
in
->
linesize
[
0
];
uint8_t
*
dstrow
=
out
->
data
[
0
]
+
slice_start
*
out
->
linesize
[
0
];
int
i
,
j
;
for
(
i
=
slice_start
;
i
<
slice_end
;
i
++
)
{
const
pixel
*
src
=
(
const
pixel
*
)
srcrow
;
pixel
*
dst
=
(
pixel
*
)
dstrow
;
for
(
j
=
0
;
j
<
out
->
width
*
step
;
j
+=
step
)
{
const
pixel
rin
=
src
[
j
+
roffset
];
const
pixel
gin
=
src
[
j
+
goffset
];
const
pixel
bin
=
src
[
j
+
boffset
];
const
pixel
ain
=
src
[
j
+
aoffset
];
int
rout
,
gout
,
bout
;
rout
=
s
->
lut
[
R
][
R
][
rin
]
+
s
->
lut
[
R
][
G
][
gin
]
+
s
->
lut
[
R
][
B
][
bin
]
+
(
have_alpha
==
1
?
s
->
lut
[
R
][
A
][
ain
]
:
0
);
gout
=
s
->
lut
[
G
][
R
][
rin
]
+
s
->
lut
[
G
][
G
][
gin
]
+
s
->
lut
[
G
][
B
][
bin
]
+
(
have_alpha
==
1
?
s
->
lut
[
G
][
A
][
ain
]
:
0
);
bout
=
s
->
lut
[
B
][
R
][
rin
]
+
s
->
lut
[
B
][
G
][
gin
]
+
s
->
lut
[
B
][
B
][
bin
]
+
(
have_alpha
==
1
?
s
->
lut
[
B
][
A
][
ain
]
:
0
);
if
(
pc
)
{
float
frout
=
av_clipf
(
rout
,
0
.
f
,
max
);
float
fgout
=
av_clipf
(
gout
,
0
.
f
,
max
);
float
fbout
=
av_clipf
(
bout
,
0
.
f
,
max
);
float
lin
,
lout
;
preserve_color
(
s
->
preserve_color
,
rin
,
gin
,
bin
,
rout
,
gout
,
bout
,
max
,
&
lin
,
&
lout
);
preservel
(
&
frout
,
&
fgout
,
&
fbout
,
lin
,
lout
,
max
);
rout
=
lrintf
(
lerpf
(
rout
,
frout
,
pa
));
gout
=
lrintf
(
lerpf
(
gout
,
fgout
,
pa
));
bout
=
lrintf
(
lerpf
(
bout
,
fbout
,
pa
));
}
dst
[
j
+
roffset
]
=
av_clip_uintp2
(
rout
,
depth
);
dst
[
j
+
goffset
]
=
av_clip_uintp2
(
gout
,
depth
);
dst
[
j
+
boffset
]
=
av_clip_uintp2
(
bout
,
depth
);
if
(
have_alpha
==
1
)
{
dst
[
j
+
aoffset
]
=
av_clip_uintp2
(
s
->
lut
[
A
][
R
][
rin
]
+
s
->
lut
[
A
][
G
][
gin
]
+
s
->
lut
[
A
][
B
][
bin
]
+
s
->
lut
[
A
][
A
][
ain
],
depth
);
}
}
srcrow
+=
in
->
linesize
[
0
];
dstrow
+=
out
->
linesize
[
0
];
}
return
0
;
}
libavfilter/vf_colorchannelmixer.c
View file @
835446a8
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