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videolan
vlc
Commits
523388f9
Commit
523388f9
authored
Nov 02, 2004
by
Gildas Bazin
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Plain Diff
* modules/audio_filter/normvol.c: compilation fix (C99ism).
parent
ad80abaf
Changes
1
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27 additions
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31 deletions
+27
-31
modules/audio_filter/normvol.c
modules/audio_filter/normvol.c
+27
-31
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modules/audio_filter/normvol.c
View file @
523388f9
...
...
@@ -2,7 +2,7 @@
* normvol.c : volume normalizer
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id
: equalizer.c,v 1.21 2003/07/31 23:44:49 zorglub Exp
$
* $Id$
*
* Authors: Clment Stenac <zorglub@videolan.org>
*
...
...
@@ -56,7 +56,8 @@ static void Close ( vlc_object_t * );
static
void
DoWork
(
aout_instance_t
*
,
aout_filter_t
*
,
aout_buffer_t
*
,
aout_buffer_t
*
);
struct
aout_filter_sys_t
{
struct
aout_filter_sys_t
{
int
i_nb
;
float
*
p_last
;
float
f_max
;
...
...
@@ -79,10 +80,11 @@ struct aout_filter_sys_t {
vlc_module_begin
();
set_description
(
_
(
"Volume normalizer"
)
);
add_shortcut
(
"volnorm"
);
add_integer
(
"norm-buff-size"
,
20
,
NULL
,
BUFF_TEXT
,
BUFF_LONGTEXT
,
VLC_TRUE
);
add_float
(
"norm-max-level"
,
2
.
0
,
NULL
,
LEVEL_TEXT
,
LEVEL_LONGTEXT
,
VLC_TRUE
);
add_shortcut
(
"volnorm"
);
add_integer
(
"norm-buff-size"
,
20
,
NULL
,
BUFF_TEXT
,
BUFF_LONGTEXT
,
VLC_TRUE
);
add_float
(
"norm-max-level"
,
2
.
0
,
NULL
,
LEVEL_TEXT
,
LEVEL_LONGTEXT
,
VLC_TRUE
);
set_capability
(
"audio filter"
,
0
);
set_callbacks
(
Open
,
Close
);
vlc_module_end
();
...
...
@@ -93,9 +95,9 @@ vlc_module_end();
static
int
Open
(
vlc_object_t
*
p_this
)
{
aout_filter_t
*
p_filter
=
(
aout_filter_t
*
)
p_this
;
struct
aout_filter_sys_t
*
p_sys
=
p_filter
->
p_sys
=
malloc
(
sizeof
(
struct
aout_filter_sys_t
)
);
int
i_channels
;
aout_filter_sys_t
*
p_sys
=
p_filter
->
p_sys
=
malloc
(
sizeof
(
aout_filter_sys_t
)
);
if
(
p_filter
->
input
.
i_format
!=
VLC_FOURCC
(
'f'
,
'l'
,
'3'
,
'2'
)
||
p_filter
->
output
.
i_format
!=
VLC_FOURCC
(
'f'
,
'l'
,
'3'
,
'2'
)
)
...
...
@@ -113,21 +115,18 @@ static int Open( vlc_object_t *p_this )
p_filter
->
pf_do_work
=
DoWork
;
p_filter
->
b_in_place
=
VLC_TRUE
;
i
nt
i
_channels
=
aout_FormatNbChannels
(
&
p_filter
->
input
);
i_channels
=
aout_FormatNbChannels
(
&
p_filter
->
input
);
p_sys
->
i_nb
=
var_CreateGetInteger
(
p_filter
->
p_parent
,
"norm-buff-size"
);
p_sys
->
i_nb
=
var_CreateGetInteger
(
p_filter
->
p_parent
,
"norm-buff-size"
);
p_sys
->
f_max
=
var_CreateGetFloat
(
p_filter
->
p_parent
,
"norm-max-level"
);
if
(
p_sys
->
f_max
<=
0
)
{
p_sys
->
f_max
=
0
.
01
;
}
if
(
p_sys
->
f_max
<=
0
)
p_sys
->
f_max
=
0
.
01
;
/* We need to store (nb_buffers+1)*nb_channels floats */
p_sys
->
p_last
=
malloc
(
sizeof
(
float
)
*
(
i_channels
)
*
(
p_filter
->
p_sys
->
i_nb
+
2
)
);
memset
(
p_sys
->
p_last
,
0
,
sizeof
(
float
)
*
(
i_channels
)
*
(
p_filter
->
p_sys
->
i_nb
+
2
)
);
memset
(
p_sys
->
p_last
,
0
,
sizeof
(
float
)
*
(
i_channels
)
*
(
p_filter
->
p_sys
->
i_nb
+
2
)
);
return
VLC_SUCCESS
;
}
...
...
@@ -157,9 +156,9 @@ static int Open( vlc_object_t *p_this )
p_out_buf
->
i_nb_samples
=
p_in_buf
->
i_nb_samples
;
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
;
/* Calculate the average power level on this buffer */
for
(
i
=
0
;
i
<
i_samples
;
i
++
)
{
/* Calculate the average power level on this buffer */
for
(
i
=
0
;
i
<
i_samples
;
i
++
)
{
for
(
i_chan
=
0
;
i_chan
<
i_channels
;
i_chan
++
)
{
float
f_sample
=
p_in
[
i_chan
];
...
...
@@ -167,11 +166,11 @@ static int Open( vlc_object_t *p_this )
pf_sum
[
i_chan
]
+=
f_square
;
}
p_in
+=
i_channels
;
}
}
/* sum now contains for each channel the sigma(value) */
for
(
i_chan
=
0
;
i_chan
<
i_channels
;
i_chan
++
)
{
/* sum now contains for each channel the sigma(value) */
for
(
i_chan
=
0
;
i_chan
<
i_channels
;
i_chan
++
)
{
/* Shift our lastbuff */
memmove
(
&
p_sys
->
p_last
[
i_chan
*
p_sys
->
i_nb
],
&
p_sys
->
p_last
[
i_chan
*
p_sys
->
i_nb
+
1
],
...
...
@@ -194,7 +193,7 @@ static int Open( vlc_object_t *p_this )
/* Seuil arbitraire */
p_sys
->
f_max
=
var_GetFloat
(
p_aout
,
"norm-max-level"
);
//
fprintf(stderr,"Average %f, max %f\n", f_average, p_sys->f_max );
//
fprintf(stderr,"Average %f, max %f\n", f_average, p_sys->f_max );
if
(
f_average
>
p_sys
->
f_max
)
{
pf_gain
[
i_chan
]
=
f_average
/
p_sys
->
f_max
;
...
...
@@ -206,7 +205,7 @@ static int Open( vlc_object_t *p_this )
}
/* Apply gain */
for
(
i
=
0
;
i
<
i_samples
;
i
++
)
for
(
i
=
0
;
i
<
i_samples
;
i
++
)
{
for
(
i_chan
=
0
;
i_chan
<
i_channels
;
i_chan
++
)
{
...
...
@@ -227,14 +226,11 @@ static int Open( vlc_object_t *p_this )
static
void
Close
(
vlc_object_t
*
p_this
)
{
aout_filter_t
*
p_filter
=
(
aout_filter_t
*
)
p_this
;
struct
aout_filter_sys_t
*
p_sys
=
p_filter
->
p_sys
;
aout_filter_sys_t
*
p_sys
=
p_filter
->
p_sys
;
if
(
p_sys
)
{
if
(
p_sys
->
p_last
)
{
free
(
p_sys
->
p_last
);
}
if
(
p_sys
->
p_last
)
free
(
p_sys
->
p_last
);
free
(
p_sys
);
}
}
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