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体验新版 GitCode,发现更多精彩内容 >>
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3f35f36a
编写于
3月 01, 2013
作者:
P
Paul B Mahol
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
lavfi: port MP stereo3d filter
Signed-off-by:
N
Paul B Mahol
<
onemda@gmail.com
>
上级
c31458c3
变更
8
隐藏空白更改
内联
并排
Showing
8 changed file
with
605 addition
and
1 deletion
+605
-1
Changelog
Changelog
+1
-0
LICENSE
LICENSE
+1
-0
configure
configure
+1
-0
doc/filters.texi
doc/filters.texi
+121
-0
libavfilter/Makefile
libavfilter/Makefile
+1
-0
libavfilter/allfilters.c
libavfilter/allfilters.c
+1
-0
libavfilter/version.h
libavfilter/version.h
+1
-1
libavfilter/vf_stereo3d.c
libavfilter/vf_stereo3d.c
+478
-0
未找到文件。
Changelog
浏览文件 @
3f35f36a
...
...
@@ -23,6 +23,7 @@ version <next>:
- noise filter ported from libmpcodecs
- Subtitles character encoding conversion
- blend filter
- stereo3d filter ported from libmpcodecs
version 1.1:
...
...
LICENSE
浏览文件 @
3f35f36a
...
...
@@ -39,6 +39,7 @@ Specifically, the GPL parts of FFmpeg are
- vf_noise.c
- vf_pp.c
- vf_smartblur.c
- vf_stereo3d.c
- vf_super2xsai.c
- vf_tinterlace.c
- vf_yadif.c
...
...
configure
浏览文件 @
3f35f36a
...
...
@@ -2081,6 +2081,7 @@ removelogo_filter_deps="avcodec avformat swscale"
scale_filter_deps
=
"swscale"
smartblur_filter_deps
=
"gpl swscale"
showspectrum_filter_deps
=
"avcodec rdft"
stereo3d_filter_deps
=
"gpl"
subtitles_filter_deps
=
"avformat avcodec libass"
super2xsai_filter_deps
=
"gpl"
tinterlace_filter_deps
=
"gpl"
...
...
doc/filters.texi
浏览文件 @
3f35f36a
...
...
@@ -4832,6 +4832,127 @@ a pixel should be blurred or not. A value of 0 will filter all the
image, a value included in [0,30] will filter flat areas and a value
included in [-30,0] will filter edges.
@section stereo3d
Convert between different stereoscopic image formats.
This filter accepts the following named options, expressed as a
sequence of @var{key}=@var{value} pairs, separated by ":".
@table @option
@item in
Set stereoscopic image format of input.
Available values for input image formats are:
@table @samp
@item sbsl
side by side parallel (left eye left, right eye right)
@item sbsr
side by side crosseye (right eye left, left eye right)
@item sbs2l
side by side parallel with half width resolution
(left eye left, right eye right)
@item sbs2r
side by side crosseye with half width resolution
(right eye left, left eye right)
@item abl
above-below (left eye above, right eye below)
@item abr
above-below (right eye above, left eye below)
@item ab2l
above-below with half height resolution
(left eye above, right eye below)
@item ab2r
above-below with half height resolution
(right eye above, left eye below)
Default value is @samp{sbsl}.
@end table
@item out
Set stereoscopic image format of output.
Available values for output image formats are all the input formats as well as:
@table @samp
@item arbg
anaglyph red/blue gray
(red filter on left eye, blue filter on right eye)
@item argg
anaglyph red/green gray
(red filter on left eye, green filter on right eye)
@item arcg
anaglyph red/cyan gray
(red filter on left eye, cyan filter on right eye)
@item arch
anaglyph red/cyan half colored
(red filter on left eye, cyan filter on right eye)
@item arcc
anaglyph red/cyan color
(red filter on left eye, cyan filter on right eye)
@item arcd
anaglyph red/cyan color optimized with the least squares projection of dubois
(red filter on left eye, cyan filter on right eye)
@item agmg
anaglyph green/magenta gray
(green filter on left eye, magenta filter on right eye)
@item agmh
anaglyph green/magenta half colored
(green filter on left eye, magenta filter on right eye)
@item agmc
anaglyph green/magenta colored
(green filter on left eye, magenta filter on right eye)
@item agmd
anaglyph green/magenta color optimized with the least squares projection of dubois
(green filter on left eye, magenta filter on right eye)
@item aybg
anaglyph yellow/blue gray
(yellow filter on left eye, blue filter on right eye)
@item aybh
anaglyph yellow/blue half colored
(yellow filter on left eye, blue filter on right eye)
@item aybc
anaglyph yellow/blue colored
(yellow filter on left eye, blue filter on right eye)
@item aybd
anaglyph yellow/blue color optimized with the least squares projection of dubois
(yellow filter on left eye, blue filter on right eye)
@item irl
interleaved rows (left eye has top row, right eye starts on next row)
@item irr
interleaved rows (right eye has top row, left eye starts on next row)
@item ml
mono output (left eye only)
@item mr
mono output (right eye only)
@end table
Default value is @samp{arcd}.
@end table
@anchor{subtitles}
@section subtitles
...
...
libavfilter/Makefile
浏览文件 @
3f35f36a
...
...
@@ -154,6 +154,7 @@ OBJS-$(CONFIG_SETTB_FILTER) += f_settb.o
OBJS-$(CONFIG_SHOWINFO_FILTER)
+=
vf_showinfo.o
OBJS-$(CONFIG_SMARTBLUR_FILTER)
+=
vf_smartblur.o
OBJS-$(CONFIG_SPLIT_FILTER)
+=
split.o
OBJS-$(CONFIG_STEREO3D_FILTER)
+=
vf_stereo3d.o
OBJS-$(CONFIG_SUBTITLES_FILTER)
+=
vf_subtitles.o
OBJS-$(CONFIG_SUPER2XSAI_FILTER)
+=
vf_super2xsai.o
OBJS-$(CONFIG_SWAPUV_FILTER)
+=
vf_swapuv.o
...
...
libavfilter/allfilters.c
浏览文件 @
3f35f36a
...
...
@@ -148,6 +148,7 @@ void avfilter_register_all(void)
REGISTER_FILTER
(
SHOWINFO
,
showinfo
,
vf
);
REGISTER_FILTER
(
SMARTBLUR
,
smartblur
,
vf
);
REGISTER_FILTER
(
SPLIT
,
split
,
vf
);
REGISTER_FILTER
(
STEREO3D
,
stereo3d
,
vf
);
REGISTER_FILTER
(
SUBTITLES
,
subtitles
,
vf
);
REGISTER_FILTER
(
SUPER2XSAI
,
super2xsai
,
vf
);
REGISTER_FILTER
(
SWAPUV
,
swapuv
,
vf
);
...
...
libavfilter/version.h
浏览文件 @
3f35f36a
...
...
@@ -29,7 +29,7 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 3
#define LIBAVFILTER_VERSION_MINOR 4
1
#define LIBAVFILTER_VERSION_MINOR 4
2
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
...
...
libavfilter/vf_stereo3d.c
0 → 100644
浏览文件 @
3f35f36a
/*
* Copyright (c) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de>
* 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 General Public
* License as published by the Free Software Foundation; either
* version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
enum
StereoCode
{
ANAGLYPH_RC_GRAY
,
// anaglyph red/cyan gray
ANAGLYPH_RC_HALF
,
// anaglyph red/cyan half colored
ANAGLYPH_RC_COLOR
,
// anaglyph red/cyan colored
ANAGLYPH_RC_DUBOIS
,
// anaglyph red/cyan dubois
ANAGLYPH_GM_GRAY
,
// anaglyph green/magenta gray
ANAGLYPH_GM_HALF
,
// anaglyph green/magenta half colored
ANAGLYPH_GM_COLOR
,
// anaglyph green/magenta colored
ANAGLYPH_GM_DUBOIS
,
// anaglyph green/magenta dubois
ANAGLYPH_YB_GRAY
,
// anaglyph yellow/blue gray
ANAGLYPH_YB_HALF
,
// anaglyph yellow/blue half colored
ANAGLYPH_YB_COLOR
,
// anaglyph yellow/blue colored
ANAGLYPH_YB_DUBOIS
,
// anaglyph yellow/blue dubois
ANAGLYPH_RB_GRAY
,
// anaglyph red/blue gray
ANAGLYPH_RG_GRAY
,
// anaglyph red/green gray
MONO_L
,
// mono output for debugging (left eye only)
MONO_R
,
// mono output for debugging (right eye only)
INTERLEAVE_ROWS_LR
,
// row-interleave (left eye has top row)
INTERLEAVE_ROWS_RL
,
// row-interleave (right eye has top row)
SIDE_BY_SIDE_LR
,
// side by side parallel (left eye left, right eye right)
SIDE_BY_SIDE_RL
,
// side by side crosseye (right eye left, left eye right)
SIDE_BY_SIDE_2_LR
,
// side by side parallel with half width resolution
SIDE_BY_SIDE_2_RL
,
// side by side crosseye with half width resolution
ABOVE_BELOW_LR
,
// above-below (left eye above, right eye below)
ABOVE_BELOW_RL
,
// above-below (right eye above, left eye below)
ABOVE_BELOW_2_LR
,
// above-below with half height resolution
ABOVE_BELOW_2_RL
,
// above-below with half height resolution
STEREO_CODE_COUNT
// TODO: needs autodetection
};
typedef
struct
StereoComponent
{
enum
StereoCode
format
;
int
width
,
height
;
int
off_left
,
off_right
;
int
row_left
,
row_right
;
}
StereoComponent
;
static
const
int
ana_coeff
[][
3
][
6
]
=
{
[
ANAGLYPH_RB_GRAY
]
=
{{
19595
,
38470
,
7471
,
0
,
0
,
0
},
{
0
,
0
,
0
,
0
,
0
,
0
},
{
0
,
0
,
0
,
19595
,
38470
,
7471
}},
[
ANAGLYPH_RG_GRAY
]
=
{{
19595
,
38470
,
7471
,
0
,
0
,
0
},
{
0
,
0
,
0
,
19595
,
38470
,
7471
},
{
0
,
0
,
0
,
0
,
0
,
0
}},
[
ANAGLYPH_RC_GRAY
]
=
{{
19595
,
38470
,
7471
,
0
,
0
,
0
},
{
0
,
0
,
0
,
19595
,
38470
,
7471
},
{
0
,
0
,
0
,
19595
,
38470
,
7471
}},
[
ANAGLYPH_RC_HALF
]
=
{{
19595
,
38470
,
7471
,
0
,
0
,
0
},
{
0
,
0
,
0
,
0
,
65536
,
0
},
{
0
,
0
,
0
,
0
,
0
,
65536
}},
[
ANAGLYPH_RC_COLOR
]
=
{{
65536
,
0
,
0
,
0
,
0
,
0
},
{
0
,
0
,
0
,
0
,
65536
,
0
},
{
0
,
0
,
0
,
0
,
0
,
65536
}},
[
ANAGLYPH_RC_DUBOIS
]
=
{{
29891
,
32800
,
11559
,
-
2849
,
-
5763
,
-
102
},
{
-
2627
,
-
2479
,
-
1033
,
24804
,
48080
,
-
1209
},
{
-
997
,
-
1350
,
-
358
,
-
4729
,
-
7403
,
80373
}},
[
ANAGLYPH_GM_GRAY
]
=
{{
0
,
0
,
0
,
19595
,
38470
,
7471
},
{
19595
,
38470
,
7471
,
0
,
0
,
0
},
{
0
,
0
,
0
,
19595
,
38470
,
7471
}},
[
ANAGLYPH_GM_HALF
]
=
{{
0
,
0
,
0
,
65536
,
0
,
0
},
{
19595
,
38470
,
7471
,
0
,
0
,
0
},
{
0
,
0
,
0
,
0
,
0
,
65536
}},
[
ANAGLYPH_GM_COLOR
]
=
{{
0
,
0
,
0
,
65536
,
0
,
0
},
{
0
,
65536
,
0
,
0
,
0
,
0
},
{
0
,
0
,
0
,
0
,
0
,
65536
}},
[
ANAGLYPH_GM_DUBOIS
]
=
{{
-
4063
,
-
10354
,
-
2556
,
34669
,
46203
,
1573
},
{
18612
,
43778
,
9372
,
-
1049
,
-
983
,
-
4260
},
{
-
983
,
-
1769
,
1376
,
590
,
4915
,
61407
}},
[
ANAGLYPH_YB_GRAY
]
=
{{
0
,
0
,
0
,
19595
,
38470
,
7471
},
{
0
,
0
,
0
,
19595
,
38470
,
7471
},
{
19595
,
38470
,
7471
,
0
,
0
,
0
}},
[
ANAGLYPH_YB_HALF
]
=
{{
0
,
0
,
0
,
65536
,
0
,
0
},
{
0
,
0
,
0
,
0
,
65536
,
0
},
{
19595
,
38470
,
7471
,
0
,
0
,
0
}},
[
ANAGLYPH_YB_COLOR
]
=
{{
0
,
0
,
0
,
65536
,
0
,
0
},
{
0
,
0
,
0
,
0
,
65536
,
0
},
{
0
,
0
,
65536
,
0
,
0
,
0
}},
[
ANAGLYPH_YB_DUBOIS
]
=
{{
65535
,
-
12650
,
18451
,
-
987
,
-
7590
,
-
1049
},
{
-
1604
,
56032
,
4196
,
370
,
3826
,
-
1049
},
{
-
2345
,
-
10676
,
1358
,
5801
,
11416
,
56217
}},
};
typedef
struct
Stereo3DContext
{
const
AVClass
*
class
;
StereoComponent
in
,
out
;
int
width
,
height
;
int
row_step
;
int
ana_matrix
[
3
][
6
];
}
Stereo3DContext
;
#define OFFSET(x) offsetof(Stereo3DContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
static
const
AVOption
stereo3d_options
[]
=
{
{
"in"
,
"set input format"
,
OFFSET
(
in
.
format
),
AV_OPT_TYPE_INT
,
{.
i64
=
SIDE_BY_SIDE_LR
},
SIDE_BY_SIDE_LR
,
ABOVE_BELOW_2_RL
,
FLAGS
,
"in"
},
{
"ab2l"
,
"above below half height left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_2_LR
},
0
,
0
,
FLAGS
,
"in"
},
{
"ab2r"
,
"above below half height right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_2_RL
},
0
,
0
,
FLAGS
,
"in"
},
{
"abl"
,
"above below left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_LR
},
0
,
0
,
FLAGS
,
"in"
},
{
"abr"
,
"above below right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_RL
},
0
,
0
,
FLAGS
,
"in"
},
{
"sbs2l"
,
"side by side half width left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_2_LR
},
0
,
0
,
FLAGS
,
"in"
},
{
"sbs2r"
,
"side by side half width right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_2_RL
},
0
,
0
,
FLAGS
,
"in"
},
{
"sbsl"
,
"side by side left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_LR
},
0
,
0
,
FLAGS
,
"in"
},
{
"sbsr"
,
"side by side right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_RL
},
0
,
0
,
FLAGS
,
"in"
},
{
"out"
,
"set output format"
,
OFFSET
(
out
.
format
),
AV_OPT_TYPE_INT
,
{.
i64
=
ANAGLYPH_RC_DUBOIS
},
0
,
STEREO_CODE_COUNT
-
1
,
FLAGS
,
"out"
},
{
"ab2l"
,
"above below half height left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_2_LR
},
0
,
0
,
FLAGS
,
"out"
},
{
"ab2r"
,
"above below half height right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_2_RL
},
0
,
0
,
FLAGS
,
"out"
},
{
"abl"
,
"above below left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_LR
},
0
,
0
,
FLAGS
,
"out"
},
{
"abr"
,
"above below right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ABOVE_BELOW_RL
},
0
,
0
,
FLAGS
,
"out"
},
{
"agmc"
,
"anaglyph green magenta color"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_GM_COLOR
},
0
,
0
,
FLAGS
,
"out"
},
{
"agmd"
,
"anaglyph green magenta dubois"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_GM_DUBOIS
},
0
,
0
,
FLAGS
,
"out"
},
{
"agmg"
,
"anaglyph green magenta gray"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_GM_GRAY
},
0
,
0
,
FLAGS
,
"out"
},
{
"agmh"
,
"anaglyph green magenta half color"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_GM_HALF
},
0
,
0
,
FLAGS
,
"out"
},
{
"arbg"
,
"anaglyph red blue gray"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_RB_GRAY
},
0
,
0
,
FLAGS
,
"out"
},
{
"arcc"
,
"anaglyph red cyan color"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_RC_COLOR
},
0
,
0
,
FLAGS
,
"out"
},
{
"arcd"
,
"anaglyph red cyan dubois"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_RC_DUBOIS
},
0
,
0
,
FLAGS
,
"out"
},
{
"arcg"
,
"anaglyph red cyan gray"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_RC_GRAY
},
0
,
0
,
FLAGS
,
"out"
},
{
"arch"
,
"anaglyph red cyan half color"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_RC_HALF
},
0
,
0
,
FLAGS
,
"out"
},
{
"argg"
,
"anaglyph red green gray"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_RG_GRAY
},
0
,
0
,
FLAGS
,
"out"
},
{
"aybc"
,
"anaglyph yellow blue color"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_YB_COLOR
},
0
,
0
,
FLAGS
,
"out"
},
{
"aybd"
,
"anaglyph yellow blue dubois"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_YB_DUBOIS
},
0
,
0
,
FLAGS
,
"out"
},
{
"aybg"
,
"anaglyph yellow blue gray"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_YB_GRAY
},
0
,
0
,
FLAGS
,
"out"
},
{
"aybh"
,
"anaglyph yellow blue half color"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
ANAGLYPH_YB_HALF
},
0
,
0
,
FLAGS
,
"out"
},
{
"irl"
,
"interleave rows left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
INTERLEAVE_ROWS_LR
},
0
,
0
,
FLAGS
,
"out"
},
{
"irr"
,
"interleave rows right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
INTERLEAVE_ROWS_RL
},
0
,
0
,
FLAGS
,
"out"
},
{
"ml"
,
"mono left"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
MONO_L
},
0
,
0
,
FLAGS
,
"out"
},
{
"mr"
,
"mono right"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
MONO_R
},
0
,
0
,
FLAGS
,
"out"
},
{
"sbs2l"
,
"side by side half width left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_2_LR
},
0
,
0
,
FLAGS
,
"out"
},
{
"sbs2r"
,
"side by side half width right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_2_RL
},
0
,
0
,
FLAGS
,
"out"
},
{
"sbsl"
,
"side by side left first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_LR
},
0
,
0
,
FLAGS
,
"out"
},
{
"sbsr"
,
"side by side right first"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
SIDE_BY_SIDE_RL
},
0
,
0
,
FLAGS
,
"out"
},
};
AVFILTER_DEFINE_CLASS
(
stereo3d
);
static
av_cold
int
init
(
AVFilterContext
*
ctx
,
const
char
*
args
)
{
Stereo3DContext
*
s
=
ctx
->
priv
;
static
const
char
*
shorthand
[]
=
{
"in"
,
"out"
,
NULL
};
int
ret
;
s
->
class
=
&
stereo3d_class
;
av_opt_set_defaults
(
s
);
if
((
ret
=
av_opt_set_from_string
(
s
,
args
,
shorthand
,
"="
,
":"
))
<
0
)
return
ret
;
return
0
;
}
static
int
query_formats
(
AVFilterContext
*
ctx
)
{
static
const
enum
AVPixelFormat
pix_fmts
[]
=
{
AV_PIX_FMT_RGB24
,
AV_PIX_FMT_NONE
};
ff_set_common_formats
(
ctx
,
ff_make_format_list
(
pix_fmts
));
return
0
;
}
static
int
config_output
(
AVFilterLink
*
outlink
)
{
AVFilterContext
*
ctx
=
outlink
->
src
;
AVFilterLink
*
inlink
=
ctx
->
inputs
[
0
];
Stereo3DContext
*
s
=
ctx
->
priv
;
AVRational
aspect
=
inlink
->
sample_aspect_ratio
;
s
->
in
.
width
=
s
->
width
=
inlink
->
w
;
s
->
in
.
height
=
s
->
height
=
inlink
->
h
;
s
->
row_step
=
1
;
s
->
in
.
off_left
=
s
->
in
.
off_right
=
s
->
in
.
row_left
=
s
->
in
.
row_right
=
0
;
switch
(
s
->
in
.
format
)
{
case
SIDE_BY_SIDE_2_LR
:
aspect
.
num
*=
2
;
case
SIDE_BY_SIDE_LR
:
s
->
width
=
inlink
->
w
/
2
;
s
->
in
.
off_right
=
s
->
width
*
3
;
break
;
case
SIDE_BY_SIDE_2_RL
:
aspect
.
num
*=
2
;
case
SIDE_BY_SIDE_RL
:
s
->
width
=
inlink
->
w
/
2
;
s
->
in
.
off_left
=
s
->
width
*
3
;
break
;
case
ABOVE_BELOW_2_LR
:
aspect
.
den
*=
2
;
case
ABOVE_BELOW_LR
:
s
->
in
.
row_right
=
s
->
height
=
inlink
->
h
/
2
;
break
;
case
ABOVE_BELOW_2_RL
:
aspect
.
den
*=
2
;
case
ABOVE_BELOW_RL
:
s
->
in
.
row_left
=
s
->
height
=
inlink
->
h
/
2
;
break
;
default:
av_log
(
ctx
,
AV_LOG_ERROR
,
"input format %d is not supported
\n
"
,
s
->
in
.
format
);
return
AVERROR
(
EINVAL
);
}
s
->
out
.
width
=
s
->
width
;
s
->
out
.
height
=
s
->
height
;
s
->
out
.
off_left
=
s
->
out
.
off_right
=
s
->
out
.
row_left
=
s
->
out
.
row_right
=
0
;
switch
(
s
->
out
.
format
)
{
case
ANAGLYPH_RB_GRAY
:
case
ANAGLYPH_RG_GRAY
:
case
ANAGLYPH_RC_GRAY
:
case
ANAGLYPH_RC_HALF
:
case
ANAGLYPH_RC_COLOR
:
case
ANAGLYPH_RC_DUBOIS
:
case
ANAGLYPH_GM_GRAY
:
case
ANAGLYPH_GM_HALF
:
case
ANAGLYPH_GM_COLOR
:
case
ANAGLYPH_GM_DUBOIS
:
case
ANAGLYPH_YB_GRAY
:
case
ANAGLYPH_YB_HALF
:
case
ANAGLYPH_YB_COLOR
:
case
ANAGLYPH_YB_DUBOIS
:
memcpy
(
s
->
ana_matrix
,
ana_coeff
[
s
->
out
.
format
],
sizeof
(
s
->
ana_matrix
));
break
;
case
SIDE_BY_SIDE_2_LR
:
aspect
.
num
/=
2
;
case
SIDE_BY_SIDE_LR
:
s
->
out
.
width
=
s
->
out
.
off_right
=
s
->
width
*
3
;
break
;
case
SIDE_BY_SIDE_2_RL
:
aspect
.
num
/=
2
;
case
SIDE_BY_SIDE_RL
:
s
->
out
.
width
=
s
->
width
*
2
;
s
->
out
.
off_left
=
s
->
width
*
3
;
break
;
case
ABOVE_BELOW_2_LR
:
aspect
.
den
/=
2
;
case
ABOVE_BELOW_LR
:
s
->
out
.
height
=
s
->
height
*
2
;
s
->
out
.
row_right
=
s
->
height
;
break
;
case
ABOVE_BELOW_2_RL
:
aspect
.
den
/=
2
;
case
ABOVE_BELOW_RL
:
s
->
out
.
height
=
s
->
height
*
2
;
s
->
out
.
row_left
=
s
->
height
;
break
;
case
INTERLEAVE_ROWS_LR
:
s
->
row_step
=
2
;
s
->
height
=
s
->
height
/
2
;
s
->
out
.
off_right
=
s
->
width
*
3
;
s
->
in
.
off_right
+=
s
->
in
.
width
*
3
;
break
;
case
INTERLEAVE_ROWS_RL
:
s
->
row_step
=
2
;
s
->
height
=
s
->
height
/
2
;
s
->
out
.
off_left
=
s
->
width
*
3
;
s
->
in
.
off_left
+=
s
->
in
.
width
*
3
;
break
;
case
MONO_R
:
s
->
in
.
off_left
=
s
->
in
.
off_right
;
s
->
in
.
row_left
=
s
->
in
.
row_right
;
case
MONO_L
:
break
;
default:
av_log
(
ctx
,
AV_LOG_ERROR
,
"output format is not supported
\n
"
);
return
AVERROR
(
EINVAL
);
}
outlink
->
w
=
s
->
out
.
width
;
outlink
->
h
=
s
->
out
.
height
;
outlink
->
sample_aspect_ratio
=
aspect
;
return
0
;
}
static
inline
uint8_t
ana_convert
(
const
int
*
coeff
,
uint8_t
*
left
,
uint8_t
*
right
)
{
int
sum
;
sum
=
coeff
[
0
]
*
left
[
0
]
+
coeff
[
3
]
*
right
[
0
];
//red in
sum
+=
coeff
[
1
]
*
left
[
1
]
+
coeff
[
4
]
*
right
[
1
];
//green in
sum
+=
coeff
[
2
]
*
left
[
2
]
+
coeff
[
5
]
*
right
[
2
];
//blue in
return
av_clip_uint8
(
sum
>>
16
);
}
static
int
filter_frame
(
AVFilterLink
*
inlink
,
AVFilterBufferRef
*
inpicref
)
{
AVFilterContext
*
ctx
=
inlink
->
dst
;
Stereo3DContext
*
s
=
ctx
->
priv
;
AVFilterLink
*
outlink
=
ctx
->
outputs
[
0
];
AVFilterBufferRef
*
out
;
int
out_off_left
,
out_off_right
;
int
in_off_left
,
in_off_right
;
int
ret
;
out
=
ff_get_video_buffer
(
outlink
,
AV_PERM_WRITE
,
outlink
->
w
,
outlink
->
h
);
if
(
!
out
)
{
avfilter_unref_bufferp
(
&
inpicref
);
return
AVERROR
(
ENOMEM
);
}
out
->
pts
=
inpicref
->
pts
;
out
->
pos
=
inpicref
->
pos
;
in_off_left
=
s
->
in
.
row_left
*
inpicref
->
linesize
[
0
]
+
s
->
in
.
off_left
;
in_off_right
=
s
->
in
.
row_right
*
inpicref
->
linesize
[
0
]
+
s
->
in
.
off_right
;
out_off_left
=
s
->
out
.
row_left
*
out
->
linesize
[
0
]
+
s
->
out
.
off_left
;
out_off_right
=
s
->
out
.
row_right
*
out
->
linesize
[
0
]
+
s
->
out
.
off_right
;
switch
(
s
->
out
.
format
)
{
case
SIDE_BY_SIDE_LR
:
case
SIDE_BY_SIDE_RL
:
case
SIDE_BY_SIDE_2_LR
:
case
SIDE_BY_SIDE_2_RL
:
case
ABOVE_BELOW_LR
:
case
ABOVE_BELOW_RL
:
case
ABOVE_BELOW_2_LR
:
case
ABOVE_BELOW_2_RL
:
case
INTERLEAVE_ROWS_LR
:
case
INTERLEAVE_ROWS_RL
:
av_image_copy_plane
(
out
->
data
[
0
]
+
out_off_left
,
out
->
linesize
[
0
]
*
s
->
row_step
,
inpicref
->
data
[
0
]
+
in_off_left
,
inpicref
->
linesize
[
0
]
*
s
->
row_step
,
3
*
s
->
width
,
s
->
height
);
av_image_copy_plane
(
out
->
data
[
0
]
+
out_off_right
,
out
->
linesize
[
0
]
*
s
->
row_step
,
inpicref
->
data
[
0
]
+
in_off_right
,
inpicref
->
linesize
[
0
]
*
s
->
row_step
,
3
*
s
->
width
,
s
->
height
);
break
;
case
MONO_L
:
case
MONO_R
:
av_image_copy_plane
(
out
->
data
[
0
],
out
->
linesize
[
0
],
inpicref
->
data
[
0
]
+
in_off_left
,
inpicref
->
linesize
[
0
],
3
*
s
->
width
,
s
->
height
);
break
;
case
ANAGLYPH_RB_GRAY
:
case
ANAGLYPH_RG_GRAY
:
case
ANAGLYPH_RC_GRAY
:
case
ANAGLYPH_RC_HALF
:
case
ANAGLYPH_RC_COLOR
:
case
ANAGLYPH_RC_DUBOIS
:
case
ANAGLYPH_GM_GRAY
:
case
ANAGLYPH_GM_HALF
:
case
ANAGLYPH_GM_COLOR
:
case
ANAGLYPH_GM_DUBOIS
:
case
ANAGLYPH_YB_GRAY
:
case
ANAGLYPH_YB_HALF
:
case
ANAGLYPH_YB_COLOR
:
case
ANAGLYPH_YB_DUBOIS
:
{
int
i
,
x
,
y
,
il
,
ir
,
o
;
uint8_t
*
src
=
inpicref
->
data
[
0
];
uint8_t
*
dst
=
out
->
data
[
0
];
int
out_width
=
s
->
out
.
width
;
int
*
ana_matrix
[
3
];
for
(
i
=
0
;
i
<
3
;
i
++
)
ana_matrix
[
i
]
=
s
->
ana_matrix
[
i
];
for
(
y
=
0
;
y
<
s
->
out
.
height
;
y
++
)
{
o
=
out
->
linesize
[
0
]
*
y
;
il
=
in_off_left
+
y
*
inpicref
->
linesize
[
0
];
ir
=
in_off_right
+
y
*
inpicref
->
linesize
[
0
];
for
(
x
=
0
;
x
<
out_width
;
x
++
,
il
+=
3
,
ir
+=
3
,
o
+=
3
)
{
dst
[
o
]
=
ana_convert
(
ana_matrix
[
0
],
src
+
il
,
src
+
ir
);
dst
[
o
+
1
]
=
ana_convert
(
ana_matrix
[
1
],
src
+
il
,
src
+
ir
);
dst
[
o
+
2
]
=
ana_convert
(
ana_matrix
[
2
],
src
+
il
,
src
+
ir
);
}
}
break
;
}
default:
av_assert0
(
0
);
}
ret
=
ff_filter_frame
(
outlink
,
out
);
avfilter_unref_bufferp
(
&
inpicref
);
if
(
ret
<
0
)
return
ret
;
return
0
;
}
static
av_cold
void
uninit
(
AVFilterContext
*
ctx
)
{
Stereo3DContext
*
s
=
ctx
->
priv
;
av_opt_free
(
s
);
}
static
const
AVFilterPad
stereo3d_inputs
[]
=
{
{
.
name
=
"default"
,
.
type
=
AVMEDIA_TYPE_VIDEO
,
.
get_video_buffer
=
ff_null_get_video_buffer
,
.
filter_frame
=
filter_frame
,
.
min_perms
=
AV_PERM_READ
,
},
{
NULL
}
};
static
const
AVFilterPad
stereo3d_outputs
[]
=
{
{
.
name
=
"default"
,
.
type
=
AVMEDIA_TYPE_VIDEO
,
.
config_props
=
config_output
,
.
min_perms
=
AV_PERM_WRITE
,
},
{
NULL
}
};
AVFilter
avfilter_vf_stereo3d
=
{
.
name
=
"stereo3d"
,
.
description
=
NULL_IF_CONFIG_SMALL
(
"Convert video stereoscopic 3D view."
),
.
priv_size
=
sizeof
(
Stereo3DContext
),
.
init
=
init
,
.
uninit
=
uninit
,
.
query_formats
=
query_formats
,
.
inputs
=
stereo3d_inputs
,
.
outputs
=
stereo3d_outputs
,
.
priv_class
=
&
stereo3d_class
,
};
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