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videolan
vlc-gpu
Commits
10e40321
Commit
10e40321
authored
Aug 19, 2008
by
Laurent Aimar
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Plain Diff
Added s32l/b to float conversion support (close #1872).
parent
1e4a18a2
Changes
1
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Showing
1 changed file
with
64 additions
and
6 deletions
+64
-6
modules/audio_filter/converter/float.c
modules/audio_filter/converter/float.c
+64
-6
No files found.
modules/audio_filter/converter/float.c
View file @
10e40321
...
...
@@ -76,12 +76,16 @@ static void Do_S16ToFL32( aout_instance_t *, aout_filter_t *, aout_buffer_t *,
aout_buffer_t
*
);
static
void
Do_S24ToFL32
(
aout_instance_t
*
,
aout_filter_t
*
,
aout_buffer_t
*
,
aout_buffer_t
*
);
static
void
Do_S32ToFL32
(
aout_instance_t
*
,
aout_filter_t
*
,
aout_buffer_t
*
,
aout_buffer_t
*
);
static
int
Create_S16ToFL32_SW
(
vlc_object_t
*
);
static
void
Do_S16ToFL32_SW
(
aout_instance_t
*
,
aout_filter_t
*
,
aout_buffer_t
*
,
aout_buffer_t
*
);
static
void
Do_S24ToFL32_SW
(
aout_instance_t
*
,
aout_filter_t
*
,
aout_buffer_t
*
,
aout_buffer_t
*
);
static
void
Do_S32ToFL32_SW
(
aout_instance_t
*
,
aout_filter_t
*
,
aout_buffer_t
*
,
aout_buffer_t
*
);
static
int
Create_S8ToFL32
(
vlc_object_t
*
);
static
void
Do_S8ToFL32
(
aout_instance_t
*
,
aout_filter_t
*
,
aout_buffer_t
*
,
...
...
@@ -393,7 +397,8 @@ static int Create_S16ToFL32( vlc_object_t *p_this )
aout_filter_t
*
p_filter
=
(
aout_filter_t
*
)
p_this
;
if
(
(
p_filter
->
input
.
i_format
!=
AOUT_FMT_S16_NE
&&
p_filter
->
input
.
i_format
!=
AOUT_FMT_S24_NE
)
p_filter
->
input
.
i_format
!=
AOUT_FMT_S24_NE
&&
p_filter
->
input
.
i_format
!=
AOUT_FMT_S32_NE
)
||
p_filter
->
output
.
i_format
!=
VLC_FOURCC
(
'f'
,
'l'
,
'3'
,
'2'
)
)
{
return
-
1
;
...
...
@@ -404,7 +409,9 @@ static int Create_S16ToFL32( vlc_object_t *p_this )
return
-
1
;
}
if
(
p_filter
->
input
.
i_format
==
AOUT_FMT_S24_NE
)
if
(
p_filter
->
input
.
i_format
==
AOUT_FMT_S32_NE
)
p_filter
->
pf_do_work
=
Do_S32ToFL32
;
else
if
(
p_filter
->
input
.
i_format
==
AOUT_FMT_S24_NE
)
p_filter
->
pf_do_work
=
Do_S24ToFL32
;
else
p_filter
->
pf_do_work
=
Do_S16ToFL32
;
...
...
@@ -442,7 +449,7 @@ static void Do_S16ToFL32( aout_instance_t * p_aout, aout_filter_t * p_filter,
}
p_out_buf
->
i_nb_samples
=
p_in_buf
->
i_nb_samples
;
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
2
;
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
4
/
2
;
}
static
void
Do_S24ToFL32
(
aout_instance_t
*
p_aout
,
aout_filter_t
*
p_filter
,
...
...
@@ -471,6 +478,25 @@ static void Do_S24ToFL32( aout_instance_t * p_aout, aout_filter_t * p_filter,
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
4
/
3
;
}
static
void
Do_S32ToFL32
(
aout_instance_t
*
p_aout
,
aout_filter_t
*
p_filter
,
aout_buffer_t
*
p_in_buf
,
aout_buffer_t
*
p_out_buf
)
{
VLC_UNUSED
(
p_aout
);
int
i
=
p_in_buf
->
i_nb_samples
*
aout_FormatNbChannels
(
&
p_filter
->
input
);
/* We start from the end because b_in_place is true */
int32_t
*
p_in
=
(
int32_t
*
)
p_in_buf
->
p_buffer
+
i
-
1
;
float
*
p_out
=
(
float
*
)
p_out_buf
->
p_buffer
+
i
-
1
;
while
(
i
--
)
{
*
p_out
--
=
(
float
)
*
p_in
--
/
2147483648
.
0
;
}
p_out_buf
->
i_nb_samples
=
p_in_buf
->
i_nb_samples
;
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
4
/
4
;
}
/*****************************************************************************
* S16 To Float32 with endianness conversion
*****************************************************************************/
...
...
@@ -504,11 +530,23 @@ static int Create_S16ToFL32_SW( vlc_object_t *p_this )
return
0
;
}
if
(
(
p_filter
->
input
.
i_format
==
VLC_FOURCC
(
's'
,
'3'
,
'2'
,
'l'
)
||
p_filter
->
input
.
i_format
==
VLC_FOURCC
(
's'
,
'3'
,
'2'
,
'b'
))
&&
p_filter
->
output
.
i_format
==
VLC_FOURCC
(
'f'
,
'l'
,
'3'
,
'2'
)
&&
p_filter
->
input
.
i_format
!=
AOUT_FMT_S32_NE
)
{
p_filter
->
pf_do_work
=
Do_S32ToFL32_SW
;
p_filter
->
b_in_place
=
true
;
return
0
;
}
return
-
1
;
}
static
void
Do_S16ToFL32_SW
(
aout_instance_t
*
p_aout
,
aout_filter_t
*
p_filter
,
aout_buffer_t
*
p_in_buf
,
aout_buffer_t
*
p_out_buf
)
aout_buffer_t
*
p_in_buf
,
aout_buffer_t
*
p_out_buf
)
{
VLC_UNUSED
(
p_aout
);
int
i
=
p_in_buf
->
i_nb_samples
*
aout_FormatNbChannels
(
&
p_filter
->
input
);
...
...
@@ -551,11 +589,11 @@ static void Do_S16ToFL32_SW( aout_instance_t * p_aout, aout_filter_t * p_filter,
#endif
p_out_buf
->
i_nb_samples
=
p_in_buf
->
i_nb_samples
;
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
2
;
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
4
/
2
;
}
static
void
Do_S24ToFL32_SW
(
aout_instance_t
*
p_aout
,
aout_filter_t
*
p_filter
,
aout_buffer_t
*
p_in_buf
,
aout_buffer_t
*
p_out_buf
)
aout_buffer_t
*
p_in_buf
,
aout_buffer_t
*
p_out_buf
)
{
VLC_UNUSED
(
p_aout
);
int
i
=
p_in_buf
->
i_nb_samples
*
aout_FormatNbChannels
(
&
p_filter
->
input
);
...
...
@@ -586,6 +624,26 @@ static void Do_S24ToFL32_SW( aout_instance_t * p_aout, aout_filter_t * p_filter,
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
4
/
3
;
}
static
void
Do_S32ToFL32_SW
(
aout_instance_t
*
p_aout
,
aout_filter_t
*
p_filter
,
aout_buffer_t
*
p_in_buf
,
aout_buffer_t
*
p_out_buf
)
{
VLC_UNUSED
(
p_aout
);
int
i
=
p_in_buf
->
i_nb_samples
*
aout_FormatNbChannels
(
&
p_filter
->
input
);
/* We start from the end because b_in_place is true */
int32_t
*
p_in
=
(
int32_t
*
)
p_in_buf
->
p_buffer
+
i
-
1
;
float
*
p_out
=
(
float
*
)
p_out_buf
->
p_buffer
+
i
-
1
;
while
(
i
--
)
{
*
p_out
--
=
(
float
)
*
p_in
--
/
2147483648
.
0
;
}
p_out_buf
->
i_nb_samples
=
p_in_buf
->
i_nb_samples
;
p_out_buf
->
i_nb_bytes
=
p_in_buf
->
i_nb_bytes
*
4
/
4
;
}
/*****************************************************************************
* S8 To FL32
*****************************************************************************/
...
...
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