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Linshizhi
ffmpeg.wasm-core
Commits
9db78a29
Commit
9db78a29
authored
Nov 16, 2014
by
Clément Bœsch
Committed by
Clément Bœsch
Nov 26, 2014
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Plain Diff
avfilter/signalstats: add slice threading for subfilters
parent
fad68657
Show whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
60 additions
and
12 deletions
+60
-12
vf_signalstats.c
libavfilter/vf_signalstats.c
+60
-12
No files found.
libavfilter/vf_signalstats.c
View file @
9db78a29
...
...
@@ -45,8 +45,15 @@ typedef struct {
AVFrame
*
frame_prev
;
uint8_t
rgba_color
[
4
];
int
yuv_color
[
3
];
int
nb_jobs
;
int
*
jobs_rets
;
}
SignalstatsContext
;
typedef
struct
ThreadData
{
const
AVFrame
*
in
;
AVFrame
*
out
;
}
ThreadData
;
#define OFFSET(x) offsetof(SignalstatsContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
...
...
@@ -87,6 +94,7 @@ static av_cold void uninit(AVFilterContext *ctx)
{
SignalstatsContext
*
s
=
ctx
->
priv
;
av_frame_free
(
&
s
->
frame_prev
);
av_freep
(
&
s
->
jobs_rets
);
}
static
int
query_formats
(
AVFilterContext
*
ctx
)
...
...
@@ -122,10 +130,14 @@ static int config_props(AVFilterLink *outlink)
s
->
fs
=
inlink
->
w
*
inlink
->
h
;
s
->
cfs
=
s
->
chromaw
*
s
->
chromah
;
s
->
nb_jobs
=
FFMAX
(
1
,
FFMIN
(
inlink
->
h
,
ctx
->
graph
->
nb_threads
));
s
->
jobs_rets
=
av_malloc_array
(
s
->
nb_jobs
,
sizeof
(
*
s
->
jobs_rets
));
if
(
!
s
->
jobs_rets
)
return
AVERROR
(
ENOMEM
);
return
0
;
}
static
void
burn_frame
(
SignalstatsContext
*
s
,
AVFrame
*
f
,
int
x
,
int
y
)
static
void
burn_frame
(
const
SignalstatsContext
*
s
,
AVFrame
*
f
,
int
x
,
int
y
)
{
const
int
chromax
=
x
>>
s
->
hsub
;
const
int
chromay
=
y
>>
s
->
vsub
;
...
...
@@ -134,11 +146,19 @@ static void burn_frame(SignalstatsContext *s, AVFrame *f, int x, int y)
f
->
data
[
2
][
chromay
*
f
->
linesize
[
2
]
+
chromax
]
=
s
->
yuv_color
[
2
];
}
static
int
filter_brng
(
SignalstatsContext
*
s
,
const
AVFrame
*
in
,
AVFrame
*
out
,
int
w
,
int
h
)
static
int
filter_brng
(
AVFilterContext
*
ctx
,
void
*
arg
,
int
jobnr
,
int
nb_jobs
)
{
ThreadData
*
td
=
arg
;
const
SignalstatsContext
*
s
=
ctx
->
priv
;
const
AVFrame
*
in
=
td
->
in
;
AVFrame
*
out
=
td
->
out
;
const
int
w
=
in
->
width
;
const
int
h
=
in
->
height
;
const
int
slice_start
=
(
h
*
jobnr
)
/
nb_jobs
;
const
int
slice_end
=
(
h
*
(
jobnr
+
1
))
/
nb_jobs
;
int
x
,
y
,
score
=
0
;
for
(
y
=
0
;
y
<
h
;
y
++
)
{
for
(
y
=
slice_start
;
y
<
slice_end
;
y
++
)
{
const
int
yc
=
y
>>
s
->
vsub
;
const
uint8_t
*
pluma
=
&
in
->
data
[
0
][
y
*
in
->
linesize
[
0
]];
const
uint8_t
*
pchromau
=
&
in
->
data
[
1
][
yc
*
in
->
linesize
[
1
]];
...
...
@@ -165,13 +185,21 @@ static int filter_tout_outlier(uint8_t x, uint8_t y, uint8_t z)
return
((
abs
(
x
-
y
)
+
abs
(
z
-
y
))
/
2
)
-
abs
(
z
-
x
)
>
4
;
// make 4 configurable?
}
static
int
filter_tout
(
SignalstatsContext
*
s
,
const
AVFrame
*
in
,
AVFrame
*
out
,
int
w
,
int
h
)
static
int
filter_tout
(
AVFilterContext
*
ctx
,
void
*
arg
,
int
jobnr
,
int
nb_jobs
)
{
ThreadData
*
td
=
arg
;
const
SignalstatsContext
*
s
=
ctx
->
priv
;
const
AVFrame
*
in
=
td
->
in
;
AVFrame
*
out
=
td
->
out
;
const
int
w
=
in
->
width
;
const
int
h
=
in
->
height
;
const
int
slice_start
=
(
h
*
jobnr
)
/
nb_jobs
;
const
int
slice_end
=
(
h
*
(
jobnr
+
1
))
/
nb_jobs
;
const
uint8_t
*
p
=
in
->
data
[
0
];
int
lw
=
in
->
linesize
[
0
];
int
x
,
y
,
score
=
0
,
filt
;
for
(
y
=
0
;
y
<
h
;
y
++
)
{
for
(
y
=
slice_start
;
y
<
slice_end
;
y
++
)
{
if
(
y
-
1
<
0
||
y
+
1
>=
h
)
continue
;
...
...
@@ -207,17 +235,28 @@ static int filter_tout(SignalstatsContext *s, const AVFrame *in, AVFrame *out, i
#define VREP_START 4
static
int
filter_vrep
(
SignalstatsContext
*
s
,
const
AVFrame
*
in
,
AVFrame
*
out
,
int
w
,
int
h
)
static
int
filter_vrep
(
AVFilterContext
*
ctx
,
void
*
arg
,
int
jobnr
,
int
nb_jobs
)
{
ThreadData
*
td
=
arg
;
const
SignalstatsContext
*
s
=
ctx
->
priv
;
const
AVFrame
*
in
=
td
->
in
;
AVFrame
*
out
=
td
->
out
;
const
int
w
=
in
->
width
;
const
int
h
=
in
->
height
;
const
int
slice_start
=
(
h
*
jobnr
)
/
nb_jobs
;
const
int
slice_end
=
(
h
*
(
jobnr
+
1
))
/
nb_jobs
;
const
uint8_t
*
p
=
in
->
data
[
0
];
const
int
lw
=
in
->
linesize
[
0
];
int
x
,
y
,
score
=
0
;
for
(
y
=
VREP_START
;
y
<
h
;
y
++
)
{
for
(
y
=
slice_start
;
y
<
slice_end
;
y
++
)
{
const
int
y2lw
=
(
y
-
VREP_START
)
*
lw
;
const
int
ylw
=
y
*
lw
;
int
filt
,
totdiff
=
0
;
if
(
y
<
VREP_START
)
continue
;
for
(
x
=
0
;
x
<
w
;
x
++
)
totdiff
+=
abs
(
p
[
y2lw
+
x
]
-
p
[
ylw
+
x
]);
filt
=
totdiff
<
w
;
...
...
@@ -232,7 +271,7 @@ static int filter_vrep(SignalstatsContext *s, const AVFrame *in, AVFrame *out, i
static
const
struct
{
const
char
*
name
;
int
(
*
process
)(
SignalstatsContext
*
s
,
const
AVFrame
*
in
,
AVFrame
*
out
,
int
w
,
int
h
);
int
(
*
process
)(
AVFilterContext
*
ctx
,
void
*
arg
,
int
jobnr
,
int
nb_jobs
);
}
filters_def
[]
=
{
{
"TOUT"
,
filter_tout
},
{
"VREP"
,
filter_vrep
},
...
...
@@ -244,8 +283,9 @@ static const struct {
static
int
filter_frame
(
AVFilterLink
*
link
,
AVFrame
*
in
)
{
SignalstatsContext
*
s
=
link
->
dst
->
priv
;
AVFilterLink
*
outlink
=
link
->
dst
->
outputs
[
0
];
AVFilterContext
*
ctx
=
link
->
dst
;
SignalstatsContext
*
s
=
ctx
->
priv
;
AVFilterLink
*
outlink
=
ctx
->
outputs
[
0
];
AVFrame
*
out
=
in
;
int
i
,
j
;
int
w
=
0
,
cw
=
0
,
// in
...
...
@@ -319,8 +359,15 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
for
(
fil
=
0
;
fil
<
FILT_NUMB
;
fil
++
)
{
if
(
s
->
filters
&
1
<<
fil
)
{
AVFrame
*
dbg
=
out
!=
in
&&
s
->
outfilter
==
fil
?
out
:
NULL
;
filtot
[
fil
]
=
filters_def
[
fil
].
process
(
s
,
in
,
dbg
,
link
->
w
,
link
->
h
);
ThreadData
td
=
{
.
in
=
in
,
.
out
=
out
!=
in
&&
s
->
outfilter
==
fil
?
out
:
NULL
,
};
memset
(
s
->
jobs_rets
,
0
,
s
->
nb_jobs
*
sizeof
(
*
s
->
jobs_rets
));
ctx
->
internal
->
execute
(
ctx
,
filters_def
[
fil
].
process
,
&
td
,
s
->
jobs_rets
,
s
->
nb_jobs
);
for
(
i
=
0
;
i
<
s
->
nb_jobs
;
i
++
)
filtot
[
fil
]
+=
s
->
jobs_rets
[
i
];
}
}
...
...
@@ -459,4 +506,5 @@ AVFilter ff_vf_signalstats = {
.
inputs
=
signalstats_inputs
,
.
outputs
=
signalstats_outputs
,
.
priv_class
=
&
signalstats_class
,
.
flags
=
AVFILTER_FLAG_SLICE_THREADS
,
};
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