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Stefan Westerfeld
ffmpeg
Commits
163e737c
Commit
163e737c
authored
May 14, 2022
by
Paul B Mahol
1
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avfilter/af_afir: add support for double sample format
parent
e6f0cec8
Changes
5
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5 changed files
with
623 additions
and
415 deletions
+623
-415
filters.texi
doc/filters.texi
+16
-0
af_afir.c
libavfilter/af_afir.c
+96
-415
af_afir.h
libavfilter/af_afir.h
+99
-0
af_afirdsp.h
libavfilter/af_afirdsp.h
+20
-0
afir_template.c
libavfilter/afir_template.c
+392
-0
No files found.
doc/filters.texi
View file @
163e737c
...
@@ -1655,6 +1655,22 @@ Allowed range is from @var{1} to @var{32}. Default is @var{1}.
...
@@ -1655,6 +1655,22 @@ Allowed range is from @var{1} to @var{32}. Default is @var{1}.
Set IR stream which will be used for convolution, starting from @var{0}, should always be
Set IR stream which will be used for convolution, starting from @var{0}, should always be
lower than supplied value by @code{nbirs} option. Default is @var{0}.
lower than supplied value by @code{nbirs} option. Default is @var{0}.
This option can be changed at runtime via @ref{commands}.
This option can be changed at runtime via @ref{commands}.
@item precision
Set which precision to use when processing samples.
@table @option
@item auto
Auto pick internal sample format depending on other filters.
@item float
Always use single-floating point precision sample format.
@item double
Always use double-floating point precision sample format.
@end table
Default value is auto.
@end table
@end table
@subsection Examples
@subsection Examples
...
...
libavfilter/af_afir.c
View file @
163e737c
...
@@ -42,208 +42,78 @@
...
@@ -42,208 +42,78 @@
#include "filters.h"
#include "filters.h"
#include "formats.h"
#include "formats.h"
#include "internal.h"
#include "internal.h"
#include "af_afir.h"
#include "af_afirdsp.h"
#include "af_afirdsp.h"
typedef
struct
AudioFIRSegment
{
static
void
drawtext
(
AVFrame
*
pic
,
int
x
,
int
y
,
const
char
*
txt
,
uint32_t
color
)
int
nb_partitions
;
{
int
part_size
;
const
uint8_t
*
font
;
int
block_size
;
int
font_height
;
int
fft_length
;
int
i
;
int
coeff_size
;
int
input_size
;
int
input_offset
;
int
*
output_offset
;
int
*
part_index
;
AVFrame
*
sumin
;
AVFrame
*
sumout
;
AVFrame
*
blockin
;
AVFrame
*
blockout
;
AVFrame
*
buffer
;
AVFrame
*
coeff
;
AVFrame
*
input
;
AVFrame
*
output
;
AVTXContext
**
tx
,
**
itx
;
av_tx_fn
tx_fn
,
itx_fn
;
}
AudioFIRSegment
;
typedef
struct
AudioFIRContext
{
const
AVClass
*
class
;
float
wet_gain
;
float
dry_gain
;
float
length
;
int
gtype
;
float
ir_gain
;
int
ir_format
;
float
max_ir_len
;
int
response
;
int
w
,
h
;
AVRational
frame_rate
;
int
ir_channel
;
int
minp
;
int
maxp
;
int
nb_irs
;
int
selir
;
float
gain
;
int
eof_coeffs
[
32
];
int
have_coeffs
;
int
nb_taps
;
int
nb_channels
;
int
nb_coef_channels
;
int
one2many
;
AudioFIRSegment
seg
[
1024
];
int
nb_segments
;
AVFrame
*
in
;
AVFrame
*
ir
[
32
];
AVFrame
*
video
;
int
min_part_size
;
int64_t
pts
;
AudioFIRDSPContext
afirdsp
;
font
=
avpriv_cga_font
,
font_height
=
8
;
AVFloatDSPContext
*
fdsp
;
}
AudioFIRContext
;
static
void
direct
(
const
float
*
in
,
const
AVComplexFloat
*
ir
,
int
len
,
float
*
out
)
for
(
i
=
0
;
txt
[
i
];
i
++
)
{
{
int
char_y
,
mask
;
for
(
int
n
=
0
;
n
<
len
;
n
++
)
for
(
int
m
=
0
;
m
<=
n
;
m
++
)
out
[
n
]
+=
ir
[
m
].
re
*
in
[
n
-
m
];
}
static
void
fir_fadd
(
AudioFIRContext
*
s
,
float
*
dst
,
const
float
*
src
,
int
nb_samples
)
uint8_t
*
p
=
pic
->
data
[
0
]
+
y
*
pic
->
linesize
[
0
]
+
(
x
+
i
*
8
)
*
4
;
{
for
(
char_y
=
0
;
char_y
<
font_height
;
char_y
++
)
{
if
((
nb_samples
&
15
)
==
0
&&
nb_samples
>=
16
)
{
for
(
mask
=
0x80
;
mask
;
mask
>>=
1
)
{
s
->
fdsp
->
vector_fmac_scalar
(
dst
,
src
,
1
.
f
,
nb_samples
);
if
(
font
[
txt
[
i
]
*
font_height
+
char_y
]
&
mask
)
}
else
{
AV_WL32
(
p
,
color
);
for
(
int
n
=
0
;
n
<
nb_samples
;
n
++
)
p
+=
4
;
dst
[
n
]
+=
src
[
n
];
}
p
+=
pic
->
linesize
[
0
]
-
8
*
4
;
}
}
}
}
}
static
int
fir_quantum
(
AVFilterContext
*
ctx
,
AVFrame
*
out
,
int
ch
,
int
offset
)
static
void
draw_line
(
AVFrame
*
out
,
int
x0
,
int
y0
,
int
x1
,
int
y1
,
uint32_t
color
)
{
{
AudioFIRContext
*
s
=
ctx
->
priv
;
int
dx
=
FFABS
(
x1
-
x0
);
const
float
*
in
=
(
const
float
*
)
s
->
in
->
extended_data
[
ch
]
+
offset
;
int
dy
=
FFABS
(
y1
-
y0
),
sy
=
y0
<
y1
?
1
:
-
1
;
float
*
blockin
,
*
blockout
,
*
buf
,
*
ptr
=
(
float
*
)
out
->
extended_data
[
ch
]
+
offset
;
int
err
=
(
dx
>
dy
?
dx
:
-
dy
)
/
2
,
e2
;
const
int
nb_samples
=
FFMIN
(
s
->
min_part_size
,
out
->
nb_samples
-
offset
);
int
n
,
i
,
j
;
for
(
int
segment
=
0
;
segment
<
s
->
nb_segments
;
segment
++
)
{
AudioFIRSegment
*
seg
=
&
s
->
seg
[
segment
];
float
*
src
=
(
float
*
)
seg
->
input
->
extended_data
[
ch
];
float
*
dst
=
(
float
*
)
seg
->
output
->
extended_data
[
ch
];
float
*
sumin
=
(
float
*
)
seg
->
sumin
->
extended_data
[
ch
];
float
*
sumout
=
(
float
*
)
seg
->
sumout
->
extended_data
[
ch
];
if
(
s
->
min_part_size
>=
8
)
{
s
->
fdsp
->
vector_fmul_scalar
(
src
+
seg
->
input_offset
,
in
,
s
->
dry_gain
,
FFALIGN
(
nb_samples
,
4
));
emms_c
();
}
else
{
for
(
n
=
0
;
n
<
nb_samples
;
n
++
)
src
[
seg
->
input_offset
+
n
]
=
in
[
n
]
*
s
->
dry_gain
;
}
seg
->
output_offset
[
ch
]
+=
s
->
min_part_size
;
if
(
seg
->
output_offset
[
ch
]
==
seg
->
part_size
)
{
seg
->
output_offset
[
ch
]
=
0
;
}
else
{
memmove
(
src
,
src
+
s
->
min_part_size
,
(
seg
->
input_size
-
s
->
min_part_size
)
*
sizeof
(
*
src
));
dst
+=
seg
->
output_offset
[
ch
];
fir_fadd
(
s
,
ptr
,
dst
,
nb_samples
);
continue
;
}
if
(
seg
->
part_size
<
8
)
{
memset
(
dst
,
0
,
sizeof
(
*
dst
)
*
seg
->
part_size
*
seg
->
nb_partitions
);
j
=
seg
->
part_index
[
ch
];
for
(
i
=
0
;
i
<
seg
->
nb_partitions
;
i
++
)
{
const
int
coffset
=
j
*
seg
->
coeff_size
;
const
AVComplexFloat
*
coeff
=
(
const
AVComplexFloat
*
)
seg
->
coeff
->
extended_data
[
ch
*
!
s
->
one2many
]
+
coffset
;
direct
(
src
,
coeff
,
nb_samples
,
dst
);
if
(
j
==
0
)
for
(;;)
{
j
=
seg
->
nb_partitions
;
AV_WL32
(
out
->
data
[
0
]
+
y0
*
out
->
linesize
[
0
]
+
x0
*
4
,
color
);
j
--
;
}
seg
->
part_index
[
ch
]
=
(
seg
->
part_index
[
ch
]
+
1
)
%
seg
->
nb_partitions
;
if
(
x0
==
x1
&&
y0
==
y1
)
break
;
memmove
(
src
,
src
+
s
->
min_part_size
,
(
seg
->
input_size
-
s
->
min_part_size
)
*
sizeof
(
*
src
))
;
e2
=
err
;
for
(
n
=
0
;
n
<
nb_samples
;
n
++
)
{
if
(
e2
>-
dx
)
{
ptr
[
n
]
+=
dst
[
n
];
err
-=
dy
;
}
x0
--
;
continue
;
}
}
memset
(
sumin
,
0
,
sizeof
(
*
sumin
)
*
seg
->
fft_length
);
if
(
e2
<
dy
)
{
blockin
=
(
float
*
)
seg
->
blockin
->
extended_data
[
ch
]
+
seg
->
part_index
[
ch
]
*
seg
->
block_size
;
err
+=
dx
;
blockout
=
(
float
*
)
seg
->
blockout
->
extended_data
[
ch
]
+
seg
->
part_index
[
ch
]
*
seg
->
block_size
;
y0
+=
sy
;
memset
(
blockin
+
seg
->
part_size
,
0
,
sizeof
(
*
blockin
)
*
(
seg
->
fft_length
-
seg
->
part_size
));
memcpy
(
blockin
,
src
,
sizeof
(
*
src
)
*
seg
->
part_size
);
seg
->
tx_fn
(
seg
->
tx
[
ch
],
blockout
,
blockin
,
sizeof
(
float
));
j
=
seg
->
part_index
[
ch
];
for
(
i
=
0
;
i
<
seg
->
nb_partitions
;
i
++
)
{
const
int
coffset
=
j
*
seg
->
coeff_size
;
const
float
*
blockout
=
(
const
float
*
)
seg
->
blockout
->
extended_data
[
ch
]
+
i
*
seg
->
block_size
;
const
AVComplexFloat
*
coeff
=
(
const
AVComplexFloat
*
)
seg
->
coeff
->
extended_data
[
ch
*
!
s
->
one2many
]
+
coffset
;
s
->
afirdsp
.
fcmul_add
(
sumin
,
blockout
,
(
const
float
*
)
coeff
,
seg
->
part_size
);
if
(
j
==
0
)
j
=
seg
->
nb_partitions
;
j
--
;
}
}
seg
->
itx_fn
(
seg
->
itx
[
ch
],
sumout
,
sumin
,
sizeof
(
float
));
buf
=
(
float
*
)
seg
->
buffer
->
extended_data
[
ch
];
fir_fadd
(
s
,
buf
,
sumout
,
seg
->
part_size
);
memcpy
(
dst
,
buf
,
seg
->
part_size
*
sizeof
(
*
dst
));
buf
=
(
float
*
)
seg
->
buffer
->
extended_data
[
ch
];
memcpy
(
buf
,
sumout
+
seg
->
part_size
,
seg
->
part_size
*
sizeof
(
*
buf
));
seg
->
part_index
[
ch
]
=
(
seg
->
part_index
[
ch
]
+
1
)
%
seg
->
nb_partitions
;
memmove
(
src
,
src
+
s
->
min_part_size
,
(
seg
->
input_size
-
s
->
min_part_size
)
*
sizeof
(
*
src
));
fir_fadd
(
s
,
ptr
,
dst
,
nb_samples
);
}
}
}
if
(
s
->
min_part_size
>=
8
)
{
#define DEPTH 32
s
->
fdsp
->
vector_fmul_scalar
(
ptr
,
ptr
,
s
->
wet_gain
,
FFALIGN
(
nb_samples
,
4
));
#include "afir_template.c"
emms_c
();
}
else
{
for
(
n
=
0
;
n
<
nb_samples
;
n
++
)
ptr
[
n
]
*=
s
->
wet_gain
;
}
return
0
;
#undef DEPTH
}
#define DEPTH 64
#include "afir_template.c"
static
int
fir_channel
(
AVFilterContext
*
ctx
,
AVFrame
*
out
,
int
ch
)
static
int
fir_channel
(
AVFilterContext
*
ctx
,
AVFrame
*
out
,
int
ch
)
{
{
AudioFIRContext
*
s
=
ctx
->
priv
;
AudioFIRContext
*
s
=
ctx
->
priv
;
for
(
int
offset
=
0
;
offset
<
out
->
nb_samples
;
offset
+=
s
->
min_part_size
)
{
for
(
int
offset
=
0
;
offset
<
out
->
nb_samples
;
offset
+=
s
->
min_part_size
)
{
fir_quantum
(
ctx
,
out
,
ch
,
offset
);
switch
(
s
->
format
)
{
case
AV_SAMPLE_FMT_FLTP
:
fir_quantum_float
(
ctx
,
out
,
ch
,
offset
);
break
;
case
AV_SAMPLE_FMT_DBLP
:
fir_quantum_double
(
ctx
,
out
,
ch
,
offset
);
break
;
}
}
}
return
0
;
return
0
;
...
@@ -284,144 +154,6 @@ static int fir_frame(AudioFIRContext *s, AVFrame *in, AVFilterLink *outlink)
...
@@ -284,144 +154,6 @@ static int fir_frame(AudioFIRContext *s, AVFrame *in, AVFilterLink *outlink)
return
ff_filter_frame
(
outlink
,
out
);
return
ff_filter_frame
(
outlink
,
out
);
}
}
static
void
drawtext
(
AVFrame
*
pic
,
int
x
,
int
y
,
const
char
*
txt
,
uint32_t
color
)
{
const
uint8_t
*
font
;
int
font_height
;
int
i
;
font
=
avpriv_cga_font
,
font_height
=
8
;
for
(
i
=
0
;
txt
[
i
];
i
++
)
{
int
char_y
,
mask
;
uint8_t
*
p
=
pic
->
data
[
0
]
+
y
*
pic
->
linesize
[
0
]
+
(
x
+
i
*
8
)
*
4
;
for
(
char_y
=
0
;
char_y
<
font_height
;
char_y
++
)
{
for
(
mask
=
0x80
;
mask
;
mask
>>=
1
)
{
if
(
font
[
txt
[
i
]
*
font_height
+
char_y
]
&
mask
)
AV_WL32
(
p
,
color
);
p
+=
4
;
}
p
+=
pic
->
linesize
[
0
]
-
8
*
4
;
}
}
}
static
void
draw_line
(
AVFrame
*
out
,
int
x0
,
int
y0
,
int
x1
,
int
y1
,
uint32_t
color
)
{
int
dx
=
FFABS
(
x1
-
x0
);
int
dy
=
FFABS
(
y1
-
y0
),
sy
=
y0
<
y1
?
1
:
-
1
;
int
err
=
(
dx
>
dy
?
dx
:
-
dy
)
/
2
,
e2
;
for
(;;)
{
AV_WL32
(
out
->
data
[
0
]
+
y0
*
out
->
linesize
[
0
]
+
x0
*
4
,
color
);
if
(
x0
==
x1
&&
y0
==
y1
)
break
;
e2
=
err
;
if
(
e2
>-
dx
)
{
err
-=
dy
;
x0
--
;
}
if
(
e2
<
dy
)
{
err
+=
dx
;
y0
+=
sy
;
}
}
}
static
void
draw_response
(
AVFilterContext
*
ctx
,
AVFrame
*
out
)
{
AudioFIRContext
*
s
=
ctx
->
priv
;
float
*
mag
,
*
phase
,
*
delay
,
min
=
FLT_MAX
,
max
=
FLT_MIN
;
float
min_delay
=
FLT_MAX
,
max_delay
=
FLT_MIN
;
int
prev_ymag
=
-
1
,
prev_yphase
=
-
1
,
prev_ydelay
=
-
1
;
char
text
[
32
];
int
channel
,
i
,
x
;
memset
(
out
->
data
[
0
],
0
,
s
->
h
*
out
->
linesize
[
0
]);
phase
=
av_malloc_array
(
s
->
w
,
sizeof
(
*
phase
));
mag
=
av_malloc_array
(
s
->
w
,
sizeof
(
*
mag
));
delay
=
av_malloc_array
(
s
->
w
,
sizeof
(
*
delay
));
if
(
!
mag
||
!
phase
||
!
delay
)
goto
end
;
channel
=
av_clip
(
s
->
ir_channel
,
0
,
s
->
ir
[
s
->
selir
]
->
ch_layout
.
nb_channels
-
1
);
for
(
i
=
0
;
i
<
s
->
w
;
i
++
)
{
const
float
*
src
=
(
const
float
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
channel
];
double
w
=
i
*
M_PI
/
(
s
->
w
-
1
);
double
div
,
real_num
=
0
.,
imag_num
=
0
.,
real
=
0
.,
imag
=
0
.;
for
(
x
=
0
;
x
<
s
->
nb_taps
;
x
++
)
{
real
+=
cos
(
-
x
*
w
)
*
src
[
x
];
imag
+=
sin
(
-
x
*
w
)
*
src
[
x
];
real_num
+=
cos
(
-
x
*
w
)
*
src
[
x
]
*
x
;
imag_num
+=
sin
(
-
x
*
w
)
*
src
[
x
]
*
x
;
}
mag
[
i
]
=
hypot
(
real
,
imag
);
phase
[
i
]
=
atan2
(
imag
,
real
);
div
=
real
*
real
+
imag
*
imag
;
delay
[
i
]
=
(
real_num
*
real
+
imag_num
*
imag
)
/
div
;
min
=
fminf
(
min
,
mag
[
i
]);
max
=
fmaxf
(
max
,
mag
[
i
]);
min_delay
=
fminf
(
min_delay
,
delay
[
i
]);
max_delay
=
fmaxf
(
max_delay
,
delay
[
i
]);
}
for
(
i
=
0
;
i
<
s
->
w
;
i
++
)
{
int
ymag
=
mag
[
i
]
/
max
*
(
s
->
h
-
1
);
int
ydelay
=
(
delay
[
i
]
-
min_delay
)
/
(
max_delay
-
min_delay
)
*
(
s
->
h
-
1
);
int
yphase
=
(
0
.
5
*
(
1
.
+
phase
[
i
]
/
M_PI
))
*
(
s
->
h
-
1
);
ymag
=
s
->
h
-
1
-
av_clip
(
ymag
,
0
,
s
->
h
-
1
);
yphase
=
s
->
h
-
1
-
av_clip
(
yphase
,
0
,
s
->
h
-
1
);
ydelay
=
s
->
h
-
1
-
av_clip
(
ydelay
,
0
,
s
->
h
-
1
);
if
(
prev_ymag
<
0
)
prev_ymag
=
ymag
;
if
(
prev_yphase
<
0
)
prev_yphase
=
yphase
;
if
(
prev_ydelay
<
0
)
prev_ydelay
=
ydelay
;
draw_line
(
out
,
i
,
ymag
,
FFMAX
(
i
-
1
,
0
),
prev_ymag
,
0xFFFF00FF
);
draw_line
(
out
,
i
,
yphase
,
FFMAX
(
i
-
1
,
0
),
prev_yphase
,
0xFF00FF00
);
draw_line
(
out
,
i
,
ydelay
,
FFMAX
(
i
-
1
,
0
),
prev_ydelay
,
0xFF00FFFF
);
prev_ymag
=
ymag
;
prev_yphase
=
yphase
;
prev_ydelay
=
ydelay
;
}
if
(
s
->
w
>
400
&&
s
->
h
>
100
)
{
drawtext
(
out
,
2
,
2
,
"Max Magnitude:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
max
);
drawtext
(
out
,
15
*
8
+
2
,
2
,
text
,
0xDDDDDDDD
);
drawtext
(
out
,
2
,
12
,
"Min Magnitude:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
min
);
drawtext
(
out
,
15
*
8
+
2
,
12
,
text
,
0xDDDDDDDD
);
drawtext
(
out
,
2
,
22
,
"Max Delay:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
max_delay
);
drawtext
(
out
,
11
*
8
+
2
,
22
,
text
,
0xDDDDDDDD
);
drawtext
(
out
,
2
,
32
,
"Min Delay:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
min_delay
);
drawtext
(
out
,
11
*
8
+
2
,
32
,
text
,
0xDDDDDDDD
);
}
end:
av_free
(
delay
);
av_free
(
phase
);
av_free
(
mag
);
}
static
int
init_segment
(
AVFilterContext
*
ctx
,
AudioFIRSegment
*
seg
,
static
int
init_segment
(
AVFilterContext
*
ctx
,
AudioFIRSegment
*
seg
,
int
offset
,
int
nb_partitions
,
int
part_size
)
int
offset
,
int
nb_partitions
,
int
part_size
)
{
{
...
@@ -446,9 +178,20 @@ static int init_segment(AVFilterContext *ctx, AudioFIRSegment *seg,
...
@@ -446,9 +178,20 @@ static int init_segment(AVFilterContext *ctx, AudioFIRSegment *seg,
return
AVERROR
(
ENOMEM
);
return
AVERROR
(
ENOMEM
);
for
(
int
ch
=
0
;
ch
<
ctx
->
inputs
[
0
]
->
ch_layout
.
nb_channels
&&
part_size
>=
8
;
ch
++
)
{
for
(
int
ch
=
0
;
ch
<
ctx
->
inputs
[
0
]
->
ch_layout
.
nb_channels
&&
part_size
>=
8
;
ch
++
)
{
float
scale
=
1
.
f
,
iscale
=
1
.
f
/
part_size
;
double
dscale
=
1
.
0
,
idscale
=
1
.
0
/
part_size
;
av_tx_init
(
&
seg
->
tx
[
ch
],
&
seg
->
tx_fn
,
AV_TX_FLOAT_RDFT
,
0
,
2
*
part_size
,
&
scale
,
0
);
float
fscale
=
1
.
f
,
ifscale
=
1
.
f
/
part_size
;
av_tx_init
(
&
seg
->
itx
[
ch
],
&
seg
->
itx_fn
,
AV_TX_FLOAT_RDFT
,
1
,
2
*
part_size
,
&
iscale
,
0
);
switch
(
s
->
format
)
{
case
AV_SAMPLE_FMT_FLTP
:
av_tx_init
(
&
seg
->
tx
[
ch
],
&
seg
->
tx_fn
,
AV_TX_FLOAT_RDFT
,
0
,
2
*
part_size
,
&
fscale
,
0
);
av_tx_init
(
&
seg
->
itx
[
ch
],
&
seg
->
itx_fn
,
AV_TX_FLOAT_RDFT
,
1
,
2
*
part_size
,
&
ifscale
,
0
);
break
;
case
AV_SAMPLE_FMT_DBLP
:
av_tx_init
(
&
seg
->
tx
[
ch
],
&
seg
->
tx_fn
,
AV_TX_DOUBLE_RDFT
,
0
,
2
*
part_size
,
&
dscale
,
0
);
av_tx_init
(
&
seg
->
itx
[
ch
],
&
seg
->
itx_fn
,
AV_TX_DOUBLE_RDFT
,
1
,
2
*
part_size
,
&
idscale
,
0
);
break
;
}
if
(
!
seg
->
tx
[
ch
]
||
!
seg
->
itx
[
ch
])
if
(
!
seg
->
tx
[
ch
]
||
!
seg
->
itx
[
ch
])
return
AVERROR
(
ENOMEM
);
return
AVERROR
(
ENOMEM
);
}
}
...
@@ -502,8 +245,7 @@ static void uninit_segment(AVFilterContext *ctx, AudioFIRSegment *seg)
...
@@ -502,8 +245,7 @@ static void uninit_segment(AVFilterContext *ctx, AudioFIRSegment *seg)
static
int
convert_coeffs
(
AVFilterContext
*
ctx
)
static
int
convert_coeffs
(
AVFilterContext
*
ctx
)
{
{
AudioFIRContext
*
s
=
ctx
->
priv
;
AudioFIRContext
*
s
=
ctx
->
priv
;
int
ret
,
i
,
ch
,
n
,
cur_nb_taps
;
int
ret
,
i
,
cur_nb_taps
;
float
power
=
0
;
if
(
!
s
->
nb_taps
)
{
if
(
!
s
->
nb_taps
)
{
int
part_size
,
max_part_size
;
int
part_size
,
max_part_size
;
...
@@ -546,109 +288,42 @@ static int convert_coeffs(AVFilterContext *ctx)
...
@@ -546,109 +288,42 @@ static int convert_coeffs(AVFilterContext *ctx)
return
AVERROR_BUG
;
return
AVERROR_BUG
;
}
}
if
(
s
->
response
)
if
(
s
->
response
)
{
draw_response
(
ctx
,
s
->
video
);
switch
(
s
->
format
)
{
case
AV_SAMPLE_FMT_FLTP
:
draw_response_float
(
ctx
,
s
->
video
);
break
;
case
AV_SAMPLE_FMT_DBLP
:
draw_response_double
(
ctx
,
s
->
video
);
break
;
}
}
s
->
gain
=
1
;
s
->
gain
=
1
;
cur_nb_taps
=
s
->
ir
[
s
->
selir
]
->
nb_samples
;
cur_nb_taps
=
s
->
ir
[
s
->
selir
]
->
nb_samples
;
switch
(
s
->
gtype
)
{
switch
(
s
->
format
)
{
case
-
1
:
case
AV_SAMPLE_FMT_FLTP
:
/* nothing to do */
ret
=
get_power_float
(
ctx
,
s
,
cur_nb_taps
);
break
;
break
;
case
0
:
case
AV_SAMPLE_FMT_DBLP
:
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
ret
=
get_power_double
(
ctx
,
s
,
cur_nb_taps
);
float
*
time
=
(
float
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
for
(
i
=
0
;
i
<
cur_nb_taps
;
i
++
)
power
+=
FFABS
(
time
[
i
]);
}
s
->
gain
=
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
/
power
;
break
;
break
;
case
1
:
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
float
*
time
=
(
float
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
for
(
i
=
0
;
i
<
cur_nb_taps
;
i
++
)
power
+=
time
[
i
];
}
s
->
gain
=
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
/
power
;
break
;
case
2
:
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
float
*
time
=
(
float
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
for
(
i
=
0
;
i
<
cur_nb_taps
;
i
++
)
power
+=
time
[
i
]
*
time
[
i
];
}
s
->
gain
=
sqrtf
(
ch
/
power
);
break
;
default:
return
AVERROR_BUG
;
}
}
s
->
gain
=
FFMIN
(
s
->
gain
*
s
->
ir_gain
,
1
.
f
);
if
(
ret
<
0
)
av_log
(
ctx
,
AV_LOG_DEBUG
,
"power %f, gain %f
\n
"
,
power
,
s
->
gain
);
return
ret
;
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
float
*
time
=
(
float
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
s
->
fdsp
->
vector_fmul_scalar
(
time
,
time
,
s
->
gain
,
FFALIGN
(
cur_nb_taps
,
4
));
}
av_log
(
ctx
,
AV_LOG_DEBUG
,
"nb_taps: %d
\n
"
,
cur_nb_taps
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"nb_taps: %d
\n
"
,
cur_nb_taps
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"nb_segments: %d
\n
"
,
s
->
nb_segments
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"nb_segments: %d
\n
"
,
s
->
nb_segments
);
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
switch
(
s
->
format
)
{
float
*
time
=
(
float
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
case
AV_SAMPLE_FMT_FLTP
:
int
toffset
=
0
;
convert_channels_float
(
ctx
,
s
);
break
;
for
(
i
=
FFMAX
(
1
,
s
->
length
*
s
->
nb_taps
);
i
<
s
->
nb_taps
;
i
++
)
case
AV_SAMPLE_FMT_DBLP
:
time
[
i
]
=
0
;
convert_channels_double
(
ctx
,
s
);
break
;
av_log
(
ctx
,
AV_LOG_DEBUG
,
"channel: %d
\n
"
,
ch
);
for
(
int
segment
=
0
;
segment
<
s
->
nb_segments
;
segment
++
)
{
AudioFIRSegment
*
seg
=
&
s
->
seg
[
segment
];
float
*
blockin
=
(
float
*
)
seg
->
blockin
->
extended_data
[
ch
];
float
*
blockout
=
(
float
*
)
seg
->
blockout
->
extended_data
[
ch
];
AVComplexFloat
*
coeff
=
(
AVComplexFloat
*
)
seg
->
coeff
->
extended_data
[
ch
];
av_log
(
ctx
,
AV_LOG_DEBUG
,
"segment: %d
\n
"
,
segment
);
for
(
i
=
0
;
i
<
seg
->
nb_partitions
;
i
++
)
{
const
int
coffset
=
i
*
seg
->
coeff_size
;
const
int
remaining
=
s
->
nb_taps
-
toffset
;
const
int
size
=
remaining
>=
seg
->
part_size
?
seg
->
part_size
:
remaining
;
if
(
size
<
8
)
{
for
(
n
=
0
;
n
<
size
;
n
++
)
coeff
[
coffset
+
n
].
re
=
time
[
toffset
+
n
];
toffset
+=
size
;
continue
;
}
memset
(
blockin
,
0
,
sizeof
(
*
blockin
)
*
seg
->
fft_length
);
memcpy
(
blockin
,
time
+
toffset
,
size
*
sizeof
(
*
blockin
));
seg
->
tx_fn
(
seg
->
tx
[
0
],
blockout
,
blockin
,
sizeof
(
float
));
for
(
n
=
0
;
n
<
seg
->
part_size
+
1
;
n
++
)
{
coeff
[
coffset
+
n
].
re
=
blockout
[
2
*
n
];
coeff
[
coffset
+
n
].
im
=
blockout
[
2
*
n
+
1
];
}
toffset
+=
size
;
}
av_log
(
ctx
,
AV_LOG_DEBUG
,
"nb_partitions: %d
\n
"
,
seg
->
nb_partitions
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"partition size: %d
\n
"
,
seg
->
part_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"block size: %d
\n
"
,
seg
->
block_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"fft_length: %d
\n
"
,
seg
->
fft_length
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"coeff_size: %d
\n
"
,
seg
->
coeff_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"input_size: %d
\n
"
,
seg
->
input_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"input_offset: %d
\n
"
,
seg
->
input_offset
);
}
}
}
s
->
have_coeffs
=
1
;
s
->
have_coeffs
=
1
;
...
@@ -762,9 +437,10 @@ static int activate(AVFilterContext *ctx)
...
@@ -762,9 +437,10 @@ static int activate(AVFilterContext *ctx)
static
int
query_formats
(
AVFilterContext
*
ctx
)
static
int
query_formats
(
AVFilterContext
*
ctx
)
{
{
AudioFIRContext
*
s
=
ctx
->
priv
;
AudioFIRContext
*
s
=
ctx
->
priv
;
static
const
enum
AVSampleFormat
sample_fmts
[]
=
{
static
const
enum
AVSampleFormat
sample_fmts
[
3
][
3
]
=
{
AV_SAMPLE_FMT_FLTP
,
{
AV_SAMPLE_FMT_FLTP
,
AV_SAMPLE_FMT_DBLP
,
AV_SAMPLE_FMT_NONE
},
AV_SAMPLE_FMT_NONE
{
AV_SAMPLE_FMT_FLTP
,
AV_SAMPLE_FMT_NONE
},
{
AV_SAMPLE_FMT_DBLP
,
AV_SAMPLE_FMT_NONE
},
};
};
static
const
enum
AVPixelFormat
pix_fmts
[]
=
{
static
const
enum
AVPixelFormat
pix_fmts
[]
=
{
AV_PIX_FMT_RGB0
,
AV_PIX_FMT_RGB0
,
...
@@ -801,7 +477,7 @@ static int query_formats(AVFilterContext *ctx)
...
@@ -801,7 +477,7 @@ static int query_formats(AVFilterContext *ctx)
}
}
}
}
if
((
ret
=
ff_set_common_formats_from_list
(
ctx
,
sample_fmts
))
<
0
)
if
((
ret
=
ff_set_common_formats_from_list
(
ctx
,
sample_fmts
[
s
->
precision
]
))
<
0
)
return
ret
;
return
ret
;
return
ff_set_common_all_samplerates
(
ctx
);
return
ff_set_common_all_samplerates
(
ctx
);
...
@@ -827,6 +503,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
...
@@ -827,6 +503,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
s
->
nb_channels
=
outlink
->
ch_layout
.
nb_channels
;
s
->
nb_channels
=
outlink
->
ch_layout
.
nb_channels
;
s
->
nb_coef_channels
=
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
s
->
nb_coef_channels
=
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
s
->
format
=
outlink
->
format
;
return
0
;
return
0
;
}
}
...
@@ -977,6 +654,10 @@ static const AVOption afir_options[] = {
...
@@ -977,6 +654,10 @@ static const AVOption afir_options[] = {
{
"maxp"
,
"set max partition size"
,
OFFSET
(
maxp
),
AV_OPT_TYPE_INT
,
{.
i64
=
8192
},
8
,
32768
,
AF
},
{
"maxp"
,
"set max partition size"
,
OFFSET
(
maxp
),
AV_OPT_TYPE_INT
,
{.
i64
=
8192
},
8
,
32768
,
AF
},
{
"nbirs"
,
"set number of input IRs"
,
OFFSET
(
nb_irs
),
AV_OPT_TYPE_INT
,
{.
i64
=
1
},
1
,
32
,
AF
},
{
"nbirs"
,
"set number of input IRs"
,
OFFSET
(
nb_irs
),
AV_OPT_TYPE_INT
,
{.
i64
=
1
},
1
,
32
,
AF
},
{
"ir"
,
"select IR"
,
OFFSET
(
selir
),
AV_OPT_TYPE_INT
,
{.
i64
=
0
},
0
,
31
,
AFR
},
{
"ir"
,
"select IR"
,
OFFSET
(
selir
),
AV_OPT_TYPE_INT
,
{.
i64
=
0
},
0
,
31
,
AFR
},
{
"precision"
,
"set processing precision"
,
OFFSET
(
precision
),
AV_OPT_TYPE_INT
,
{.
i64
=
0
},
0
,
2
,
AF
,
"precision"
},
{
"auto"
,
"set auto processing precision"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
0
},
0
,
0
,
AF
,
"precision"
},
{
"float"
,
"set single-floating point processing precision"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
1
},
0
,
0
,
AF
,
"precision"
},
{
"double"
,
"set double-floating point processing precision"
,
0
,
AV_OPT_TYPE_CONST
,
{.
i64
=
2
},
0
,
0
,
AF
,
"precision"
},
{
NULL
}
{
NULL
}
};
};
...
...
libavfilter/af_afir.h
0 → 100644
View file @
163e737c
/*
* Copyright (c) 2017 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
*/
#ifndef AVFILTER_AFIR_H
#define AVFILTER_AFIR_H
#include "libavutil/float_dsp.h"
#include "libavutil/frame.h"
#include "libavutil/rational.h"
#include "libavutil/tx.h"
#include "avfilter.h"
#include "af_afirdsp.h"
typedef
struct
AudioFIRSegment
{
int
nb_partitions
;
int
part_size
;
int
block_size
;
int
fft_length
;
int
coeff_size
;
int
input_size
;
int
input_offset
;
int
*
output_offset
;
int
*
part_index
;
AVFrame
*
sumin
;
AVFrame
*
sumout
;
AVFrame
*
blockin
;
AVFrame
*
blockout
;
AVFrame
*
buffer
;
AVFrame
*
coeff
;
AVFrame
*
input
;
AVFrame
*
output
;
AVTXContext
**
tx
,
**
itx
;
av_tx_fn
tx_fn
,
itx_fn
;
}
AudioFIRSegment
;
typedef
struct
AudioFIRContext
{
const
AVClass
*
class
;
float
wet_gain
;
float
dry_gain
;
float
length
;
int
gtype
;
float
ir_gain
;
int
ir_format
;
float
max_ir_len
;
int
response
;
int
w
,
h
;
AVRational
frame_rate
;
int
ir_channel
;
int
minp
;
int
maxp
;
int
nb_irs
;
int
selir
;
int
precision
;
int
format
;
double
gain
;
int
eof_coeffs
[
32
];
int
have_coeffs
;
int
nb_taps
;
int
nb_channels
;
int
nb_coef_channels
;
int
one2many
;
AudioFIRSegment
seg
[
1024
];
int
nb_segments
;
AVFrame
*
in
;
AVFrame
*
ir
[
32
];
AVFrame
*
video
;
int
min_part_size
;
int64_t
pts
;
AudioFIRDSPContext
afirdsp
;
AVFloatDSPContext
*
fdsp
;
}
AudioFIRContext
;
#endif
/* AVFILTER_AFIR_H */
libavfilter/af_afirdsp.h
View file @
163e737c
...
@@ -29,6 +29,8 @@
...
@@ -29,6 +29,8 @@
typedef
struct
AudioFIRDSPContext
{
typedef
struct
AudioFIRDSPContext
{
void
(
*
fcmul_add
)(
float
*
sum
,
const
float
*
t
,
const
float
*
c
,
void
(
*
fcmul_add
)(
float
*
sum
,
const
float
*
t
,
const
float
*
c
,
ptrdiff_t
len
);
ptrdiff_t
len
);
void
(
*
dcmul_add
)(
double
*
sum
,
const
double
*
t
,
const
double
*
c
,
ptrdiff_t
len
);
}
AudioFIRDSPContext
;
}
AudioFIRDSPContext
;
void
ff_afir_init_x86
(
AudioFIRDSPContext
*
s
);
void
ff_afir_init_x86
(
AudioFIRDSPContext
*
s
);
...
@@ -50,9 +52,27 @@ static void fcmul_add_c(float *sum, const float *t, const float *c, ptrdiff_t le
...
@@ -50,9 +52,27 @@ static void fcmul_add_c(float *sum, const float *t, const float *c, ptrdiff_t le
sum
[
2
*
n
]
+=
t
[
2
*
n
]
*
c
[
2
*
n
];
sum
[
2
*
n
]
+=
t
[
2
*
n
]
*
c
[
2
*
n
];
}
}
static
void
dcmul_add_c
(
double
*
sum
,
const
double
*
t
,
const
double
*
c
,
ptrdiff_t
len
)
{
int
n
;
for
(
n
=
0
;
n
<
len
;
n
++
)
{
const
double
cre
=
c
[
2
*
n
];
const
double
cim
=
c
[
2
*
n
+
1
];
const
double
tre
=
t
[
2
*
n
];
const
double
tim
=
t
[
2
*
n
+
1
];
sum
[
2
*
n
]
+=
tre
*
cre
-
tim
*
cim
;
sum
[
2
*
n
+
1
]
+=
tre
*
cim
+
tim
*
cre
;
}
sum
[
2
*
n
]
+=
t
[
2
*
n
]
*
c
[
2
*
n
];
}
static
av_unused
void
ff_afir_init
(
AudioFIRDSPContext
*
dsp
)
static
av_unused
void
ff_afir_init
(
AudioFIRDSPContext
*
dsp
)
{
{
dsp
->
fcmul_add
=
fcmul_add_c
;
dsp
->
fcmul_add
=
fcmul_add_c
;
dsp
->
dcmul_add
=
dcmul_add_c
;
if
(
ARCH_X86
)
if
(
ARCH_X86
)
ff_afir_init_x86
(
dsp
);
ff_afir_init_x86
(
dsp
);
...
...
libavfilter/afir_template.c
0 → 100644
View file @
163e737c
/*
* Copyright (c) 2017 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 "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "audio.h"
#undef ctype
#undef ftype
#undef SQRT
#undef SAMPLE_FORMAT
#if DEPTH == 32
#define SAMPLE_FORMAT float
#define SQRT sqrtf
#define ctype AVComplexFloat
#define ftype float
#else
#define SAMPLE_FORMAT double
#define SQRT sqrt
#define ctype AVComplexDouble
#define ftype double
#endif
#define fn3(a,b) a##_##b
#define fn2(a,b) fn3(a,b)
#define fn(a) fn2(a, SAMPLE_FORMAT)
static
void
fn
(
draw_response
)(
AVFilterContext
*
ctx
,
AVFrame
*
out
)
{
AudioFIRContext
*
s
=
ctx
->
priv
;
ftype
*
mag
,
*
phase
,
*
delay
,
min
=
FLT_MAX
,
max
=
FLT_MIN
;
ftype
min_delay
=
FLT_MAX
,
max_delay
=
FLT_MIN
;
int
prev_ymag
=
-
1
,
prev_yphase
=
-
1
,
prev_ydelay
=
-
1
;
char
text
[
32
];
int
channel
,
i
,
x
;
memset
(
out
->
data
[
0
],
0
,
s
->
h
*
out
->
linesize
[
0
]);
phase
=
av_malloc_array
(
s
->
w
,
sizeof
(
*
phase
));
mag
=
av_malloc_array
(
s
->
w
,
sizeof
(
*
mag
));
delay
=
av_malloc_array
(
s
->
w
,
sizeof
(
*
delay
));
if
(
!
mag
||
!
phase
||
!
delay
)
goto
end
;
channel
=
av_clip
(
s
->
ir_channel
,
0
,
s
->
ir
[
s
->
selir
]
->
ch_layout
.
nb_channels
-
1
);
for
(
i
=
0
;
i
<
s
->
w
;
i
++
)
{
const
ftype
*
src
=
(
const
ftype
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
channel
];
double
w
=
i
*
M_PI
/
(
s
->
w
-
1
);
double
div
,
real_num
=
0
.,
imag_num
=
0
.,
real
=
0
.,
imag
=
0
.;
for
(
x
=
0
;
x
<
s
->
nb_taps
;
x
++
)
{
real
+=
cos
(
-
x
*
w
)
*
src
[
x
];
imag
+=
sin
(
-
x
*
w
)
*
src
[
x
];
real_num
+=
cos
(
-
x
*
w
)
*
src
[
x
]
*
x
;
imag_num
+=
sin
(
-
x
*
w
)
*
src
[
x
]
*
x
;
}
mag
[
i
]
=
hypot
(
real
,
imag
);
phase
[
i
]
=
atan2
(
imag
,
real
);
div
=
real
*
real
+
imag
*
imag
;
delay
[
i
]
=
(
real_num
*
real
+
imag_num
*
imag
)
/
div
;
min
=
fminf
(
min
,
mag
[
i
]);
max
=
fmaxf
(
max
,
mag
[
i
]);
min_delay
=
fminf
(
min_delay
,
delay
[
i
]);
max_delay
=
fmaxf
(
max_delay
,
delay
[
i
]);
}
for
(
i
=
0
;
i
<
s
->
w
;
i
++
)
{
int
ymag
=
mag
[
i
]
/
max
*
(
s
->
h
-
1
);
int
ydelay
=
(
delay
[
i
]
-
min_delay
)
/
(
max_delay
-
min_delay
)
*
(
s
->
h
-
1
);
int
yphase
=
(
0
.
5
*
(
1
.
+
phase
[
i
]
/
M_PI
))
*
(
s
->
h
-
1
);
ymag
=
s
->
h
-
1
-
av_clip
(
ymag
,
0
,
s
->
h
-
1
);
yphase
=
s
->
h
-
1
-
av_clip
(
yphase
,
0
,
s
->
h
-
1
);
ydelay
=
s
->
h
-
1
-
av_clip
(
ydelay
,
0
,
s
->
h
-
1
);
if
(
prev_ymag
<
0
)
prev_ymag
=
ymag
;
if
(
prev_yphase
<
0
)
prev_yphase
=
yphase
;
if
(
prev_ydelay
<
0
)
prev_ydelay
=
ydelay
;
draw_line
(
out
,
i
,
ymag
,
FFMAX
(
i
-
1
,
0
),
prev_ymag
,
0xFFFF00FF
);
draw_line
(
out
,
i
,
yphase
,
FFMAX
(
i
-
1
,
0
),
prev_yphase
,
0xFF00FF00
);
draw_line
(
out
,
i
,
ydelay
,
FFMAX
(
i
-
1
,
0
),
prev_ydelay
,
0xFF00FFFF
);
prev_ymag
=
ymag
;
prev_yphase
=
yphase
;
prev_ydelay
=
ydelay
;
}
if
(
s
->
w
>
400
&&
s
->
h
>
100
)
{
drawtext
(
out
,
2
,
2
,
"Max Magnitude:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
max
);
drawtext
(
out
,
15
*
8
+
2
,
2
,
text
,
0xDDDDDDDD
);
drawtext
(
out
,
2
,
12
,
"Min Magnitude:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
min
);
drawtext
(
out
,
15
*
8
+
2
,
12
,
text
,
0xDDDDDDDD
);
drawtext
(
out
,
2
,
22
,
"Max Delay:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
max_delay
);
drawtext
(
out
,
11
*
8
+
2
,
22
,
text
,
0xDDDDDDDD
);
drawtext
(
out
,
2
,
32
,
"Min Delay:"
,
0xDDDDDDDD
);
snprintf
(
text
,
sizeof
(
text
),
"%.2f"
,
min_delay
);
drawtext
(
out
,
11
*
8
+
2
,
32
,
text
,
0xDDDDDDDD
);
}
end:
av_free
(
delay
);
av_free
(
phase
);
av_free
(
mag
);
}
static
void
fn
(
convert_channels
)(
AVFilterContext
*
ctx
,
AudioFIRContext
*
s
)
{
for
(
int
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
ftype
*
time
=
(
ftype
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
int
toffset
=
0
;
for
(
int
i
=
FFMAX
(
1
,
s
->
length
*
s
->
nb_taps
);
i
<
s
->
nb_taps
;
i
++
)
time
[
i
]
=
0
;
av_log
(
ctx
,
AV_LOG_DEBUG
,
"channel: %d
\n
"
,
ch
);
for
(
int
segment
=
0
;
segment
<
s
->
nb_segments
;
segment
++
)
{
AudioFIRSegment
*
seg
=
&
s
->
seg
[
segment
];
ftype
*
blockin
=
(
ftype
*
)
seg
->
blockin
->
extended_data
[
ch
];
ftype
*
blockout
=
(
ftype
*
)
seg
->
blockout
->
extended_data
[
ch
];
ctype
*
coeff
=
(
ctype
*
)
seg
->
coeff
->
extended_data
[
ch
];
av_log
(
ctx
,
AV_LOG_DEBUG
,
"segment: %d
\n
"
,
segment
);
for
(
int
i
=
0
;
i
<
seg
->
nb_partitions
;
i
++
)
{
const
int
coffset
=
i
*
seg
->
coeff_size
;
const
int
remaining
=
s
->
nb_taps
-
toffset
;
const
int
size
=
remaining
>=
seg
->
part_size
?
seg
->
part_size
:
remaining
;
if
(
size
<
8
)
{
for
(
int
n
=
0
;
n
<
size
;
n
++
)
coeff
[
coffset
+
n
].
re
=
time
[
toffset
+
n
];
toffset
+=
size
;
continue
;
}
memset
(
blockin
,
0
,
sizeof
(
*
blockin
)
*
seg
->
fft_length
);
memcpy
(
blockin
,
time
+
toffset
,
size
*
sizeof
(
*
blockin
));
seg
->
tx_fn
(
seg
->
tx
[
0
],
blockout
,
blockin
,
sizeof
(
ftype
));
for
(
int
n
=
0
;
n
<
seg
->
part_size
+
1
;
n
++
)
{
coeff
[
coffset
+
n
].
re
=
blockout
[
2
*
n
];
coeff
[
coffset
+
n
].
im
=
blockout
[
2
*
n
+
1
];
}
toffset
+=
size
;
}
av_log
(
ctx
,
AV_LOG_DEBUG
,
"nb_partitions: %d
\n
"
,
seg
->
nb_partitions
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"partition size: %d
\n
"
,
seg
->
part_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"block size: %d
\n
"
,
seg
->
block_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"fft_length: %d
\n
"
,
seg
->
fft_length
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"coeff_size: %d
\n
"
,
seg
->
coeff_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"input_size: %d
\n
"
,
seg
->
input_size
);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"input_offset: %d
\n
"
,
seg
->
input_offset
);
}
}
}
static
int
fn
(
get_power
)(
AVFilterContext
*
ctx
,
AudioFIRContext
*
s
,
int
cur_nb_taps
)
{
ftype
power
=
0
;
int
ch
;
switch
(
s
->
gtype
)
{
case
-
1
:
/* nothing to do */
break
;
case
0
:
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
ftype
*
time
=
(
ftype
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
for
(
int
i
=
0
;
i
<
cur_nb_taps
;
i
++
)
power
+=
FFABS
(
time
[
i
]);
}
s
->
gain
=
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
/
power
;
break
;
case
1
:
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
ftype
*
time
=
(
ftype
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
for
(
int
i
=
0
;
i
<
cur_nb_taps
;
i
++
)
power
+=
time
[
i
];
}
s
->
gain
=
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
/
power
;
break
;
case
2
:
for
(
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
ftype
*
time
=
(
ftype
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
for
(
int
i
=
0
;
i
<
cur_nb_taps
;
i
++
)
power
+=
time
[
i
]
*
time
[
i
];
}
s
->
gain
=
SQRT
(
ch
/
power
);
break
;
default:
return
AVERROR_BUG
;
}
s
->
gain
=
FFMIN
(
s
->
gain
*
s
->
ir_gain
,
1
.);
av_log
(
ctx
,
AV_LOG_DEBUG
,
"power %f, gain %f
\n
"
,
power
,
s
->
gain
);
for
(
int
ch
=
0
;
ch
<
ctx
->
inputs
[
1
+
s
->
selir
]
->
ch_layout
.
nb_channels
;
ch
++
)
{
ftype
*
time
=
(
ftype
*
)
s
->
ir
[
s
->
selir
]
->
extended_data
[
!
s
->
one2many
*
ch
];
#if DEPTH == 32
s
->
fdsp
->
vector_fmul_scalar
(
time
,
time
,
s
->
gain
,
FFALIGN
(
cur_nb_taps
,
4
));
#else
s
->
fdsp
->
vector_dmul_scalar
(
time
,
time
,
s
->
gain
,
FFALIGN
(
cur_nb_taps
,
8
));
#endif
}
return
0
;
}
static
void
fn
(
direct
)(
const
ftype
*
in
,
const
ctype
*
ir
,
int
len
,
ftype
*
out
)
{
for
(
int
n
=
0
;
n
<
len
;
n
++
)
for
(
int
m
=
0
;
m
<=
n
;
m
++
)
out
[
n
]
+=
ir
[
m
].
re
*
in
[
n
-
m
];
}
static
void
fn
(
fir_fadd
)(
AudioFIRContext
*
s
,
ftype
*
dst
,
const
ftype
*
src
,
int
nb_samples
)
{
if
((
nb_samples
&
15
)
==
0
&&
nb_samples
>=
16
)
{
#if DEPTH == 32
s
->
fdsp
->
vector_fmac_scalar
(
dst
,
src
,
1
.
f
,
nb_samples
);
#else
s
->
fdsp
->
vector_dmac_scalar
(
dst
,
src
,
1
.
0
,
nb_samples
);
#endif
}
else
{
for
(
int
n
=
0
;
n
<
nb_samples
;
n
++
)
dst
[
n
]
+=
src
[
n
];
}
}
static
int
fn
(
fir_quantum
)(
AVFilterContext
*
ctx
,
AVFrame
*
out
,
int
ch
,
int
offset
)
{
AudioFIRContext
*
s
=
ctx
->
priv
;
const
ftype
*
in
=
(
const
ftype
*
)
s
->
in
->
extended_data
[
ch
]
+
offset
;
ftype
*
blockin
,
*
blockout
,
*
buf
,
*
ptr
=
(
ftype
*
)
out
->
extended_data
[
ch
]
+
offset
;
const
int
nb_samples
=
FFMIN
(
s
->
min_part_size
,
out
->
nb_samples
-
offset
);
int
n
,
i
,
j
;
for
(
int
segment
=
0
;
segment
<
s
->
nb_segments
;
segment
++
)
{
AudioFIRSegment
*
seg
=
&
s
->
seg
[
segment
];
ftype
*
src
=
(
ftype
*
)
seg
->
input
->
extended_data
[
ch
];
ftype
*
dst
=
(
ftype
*
)
seg
->
output
->
extended_data
[
ch
];
ftype
*
sumin
=
(
ftype
*
)
seg
->
sumin
->
extended_data
[
ch
];
ftype
*
sumout
=
(
ftype
*
)
seg
->
sumout
->
extended_data
[
ch
];
if
(
s
->
min_part_size
>=
8
)
{
#if DEPTH == 32
s
->
fdsp
->
vector_fmul_scalar
(
src
+
seg
->
input_offset
,
in
,
s
->
dry_gain
,
FFALIGN
(
nb_samples
,
4
));
#else
s
->
fdsp
->
vector_dmul_scalar
(
src
+
seg
->
input_offset
,
in
,
s
->
dry_gain
,
FFALIGN
(
nb_samples
,
8
));
#endif
emms_c
();
}
else
{
for
(
n
=
0
;
n
<
nb_samples
;
n
++
)
src
[
seg
->
input_offset
+
n
]
=
in
[
n
]
*
s
->
dry_gain
;
}
seg
->
output_offset
[
ch
]
+=
s
->
min_part_size
;
if
(
seg
->
output_offset
[
ch
]
==
seg
->
part_size
)
{
seg
->
output_offset
[
ch
]
=
0
;
}
else
{
memmove
(
src
,
src
+
s
->
min_part_size
,
(
seg
->
input_size
-
s
->
min_part_size
)
*
sizeof
(
*
src
));
dst
+=
seg
->
output_offset
[
ch
];
fn
(
fir_fadd
)(
s
,
ptr
,
dst
,
nb_samples
);
continue
;
}
if
(
seg
->
part_size
<
8
)
{
memset
(
dst
,
0
,
sizeof
(
*
dst
)
*
seg
->
part_size
*
seg
->
nb_partitions
);
j
=
seg
->
part_index
[
ch
];
for
(
i
=
0
;
i
<
seg
->
nb_partitions
;
i
++
)
{
const
int
coffset
=
j
*
seg
->
coeff_size
;
const
ctype
*
coeff
=
(
const
ctype
*
)
seg
->
coeff
->
extended_data
[
ch
*
!
s
->
one2many
]
+
coffset
;
fn
(
direct
)(
src
,
coeff
,
nb_samples
,
dst
);
if
(
j
==
0
)
j
=
seg
->
nb_partitions
;
j
--
;
}
seg
->
part_index
[
ch
]
=
(
seg
->
part_index
[
ch
]
+
1
)
%
seg
->
nb_partitions
;
memmove
(
src
,
src
+
s
->
min_part_size
,
(
seg
->
input_size
-
s
->
min_part_size
)
*
sizeof
(
*
src
));
for
(
n
=
0
;
n
<
nb_samples
;
n
++
)
{
ptr
[
n
]
+=
dst
[
n
];
}
continue
;
}
memset
(
sumin
,
0
,
sizeof
(
*
sumin
)
*
seg
->
fft_length
);
blockin
=
(
ftype
*
)
seg
->
blockin
->
extended_data
[
ch
]
+
seg
->
part_index
[
ch
]
*
seg
->
block_size
;
blockout
=
(
ftype
*
)
seg
->
blockout
->
extended_data
[
ch
]
+
seg
->
part_index
[
ch
]
*
seg
->
block_size
;
memset
(
blockin
+
seg
->
part_size
,
0
,
sizeof
(
*
blockin
)
*
(
seg
->
fft_length
-
seg
->
part_size
));
memcpy
(
blockin
,
src
,
sizeof
(
*
src
)
*
seg
->
part_size
);
seg
->
tx_fn
(
seg
->
tx
[
ch
],
blockout
,
blockin
,
sizeof
(
ftype
));
j
=
seg
->
part_index
[
ch
];
for
(
i
=
0
;
i
<
seg
->
nb_partitions
;
i
++
)
{
const
int
coffset
=
j
*
seg
->
coeff_size
;
const
ftype
*
blockout
=
(
const
ftype
*
)
seg
->
blockout
->
extended_data
[
ch
]
+
i
*
seg
->
block_size
;
const
ctype
*
coeff
=
(
const
ctype
*
)
seg
->
coeff
->
extended_data
[
ch
*
!
s
->
one2many
]
+
coffset
;
#if DEPTH == 32
s
->
afirdsp
.
fcmul_add
(
sumin
,
blockout
,
(
const
ftype
*
)
coeff
,
seg
->
part_size
);
#else
s
->
afirdsp
.
dcmul_add
(
sumin
,
blockout
,
(
const
ftype
*
)
coeff
,
seg
->
part_size
);
#endif
if
(
j
==
0
)
j
=
seg
->
nb_partitions
;
j
--
;
}
seg
->
itx_fn
(
seg
->
itx
[
ch
],
sumout
,
sumin
,
sizeof
(
ftype
));
buf
=
(
ftype
*
)
seg
->
buffer
->
extended_data
[
ch
];
fn
(
fir_fadd
)(
s
,
buf
,
sumout
,
seg
->
part_size
);
memcpy
(
dst
,
buf
,
seg
->
part_size
*
sizeof
(
*
dst
));
buf
=
(
ftype
*
)
seg
->
buffer
->
extended_data
[
ch
];
memcpy
(
buf
,
sumout
+
seg
->
part_size
,
seg
->
part_size
*
sizeof
(
*
buf
));
seg
->
part_index
[
ch
]
=
(
seg
->
part_index
[
ch
]
+
1
)
%
seg
->
nb_partitions
;
memmove
(
src
,
src
+
s
->
min_part_size
,
(
seg
->
input_size
-
s
->
min_part_size
)
*
sizeof
(
*
src
));
fn
(
fir_fadd
)(
s
,
ptr
,
dst
,
nb_samples
);
}
if
(
s
->
min_part_size
>=
8
)
{
#if DEPTH == 32
s
->
fdsp
->
vector_fmul_scalar
(
ptr
,
ptr
,
s
->
wet_gain
,
FFALIGN
(
nb_samples
,
4
));
#else
s
->
fdsp
->
vector_dmul_scalar
(
ptr
,
ptr
,
s
->
wet_gain
,
FFALIGN
(
nb_samples
,
8
));
#endif
emms_c
();
}
else
{
for
(
n
=
0
;
n
<
nb_samples
;
n
++
)
ptr
[
n
]
*=
s
->
wet_gain
;
}
return
0
;
}
Stefan Westerfeld
@stefan
mentioned in commit
2d818644
·
Jun 03, 2024
mentioned in commit
2d818644
mentioned in commit 2d818644a3f1e189036107afc96c8187538d71a8
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