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videolan
vlc
Commits
f42db415
Commit
f42db415
authored
Oct 19, 2009
by
Rémi Denis-Courmont
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linear resampler: use fixed-point as appropriate
parent
69f6faef
Changes
1
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3 deletions
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-3
modules/audio_filter/resampler/linear.c
modules/audio_filter/resampler/linear.c
+3
-3
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modules/audio_filter/resampler/linear.c
View file @
f42db415
...
@@ -44,7 +44,7 @@ static int OpenFilter ( vlc_object_t * );
...
@@ -44,7 +44,7 @@ static int OpenFilter ( vlc_object_t * );
static
void
CloseFilter
(
vlc_object_t
*
);
static
void
CloseFilter
(
vlc_object_t
*
);
static
block_t
*
Resample
(
filter_t
*
,
block_t
*
);
static
block_t
*
Resample
(
filter_t
*
,
block_t
*
);
#if
1
#if
HAVE_FPU
typedef
float
sample_t
;
typedef
float
sample_t
;
# define VLC_CODEC_NATIVE VLC_CODEC_FL32
# define VLC_CODEC_NATIVE VLC_CODEC_FL32
#else
#else
...
@@ -137,7 +137,7 @@ static block_t *Resample( filter_t *p_filter, block_t *p_in_buf )
...
@@ -137,7 +137,7 @@ static block_t *Resample( filter_t *p_filter, block_t *p_in_buf )
for
(
unsigned
i
=
0
;
i
<
i_nb_channels
;
i
++
)
for
(
unsigned
i
=
0
;
i
<
i_nb_channels
;
i
++
)
{
{
p_out
[
i
]
=
p_prev_sample
[
i
];
p_out
[
i
]
=
p_prev_sample
[
i
];
#if
CPU_CAPABILITY
_FPU
#if
HAVE
_FPU
p_out
[
i
]
+=
(
p_in
[
i
]
-
p_prev_sample
[
i
])
p_out
[
i
]
+=
(
p_in
[
i
]
-
p_prev_sample
[
i
])
#else
#else
p_out
[
i
]
+=
(
int64_t
)(
p_in
[
i
]
-
p_prev_sample
[
i
])
p_out
[
i
]
+=
(
int64_t
)(
p_in
[
i
]
-
p_prev_sample
[
i
])
...
@@ -160,7 +160,7 @@ static block_t *Resample( filter_t *p_filter, block_t *p_in_buf )
...
@@ -160,7 +160,7 @@ static block_t *Resample( filter_t *p_filter, block_t *p_in_buf )
for
(
unsigned
i
=
0
;
i
<
i_nb_channels
;
i
++
)
for
(
unsigned
i
=
0
;
i
<
i_nb_channels
;
i
++
)
{
{
p_out
[
i
]
=
p_in
[
i
];
p_out
[
i
]
=
p_in
[
i
];
#if
CPU_CAPABILITY
_FPU
#if
HAVE
_FPU
p_out
[
i
]
+=
(
p_in
[
i
+
i_nb_channels
]
-
p_in
[
i
])
p_out
[
i
]
+=
(
p_in
[
i
+
i_nb_channels
]
-
p_in
[
i
])
#else
#else
p_out
[
i
]
+=
(
int64_t
)(
p_in
[
i
+
i_nb_channels
]
-
p_in
[
i
])
p_out
[
i
]
+=
(
int64_t
)(
p_in
[
i
+
i_nb_channels
]
-
p_in
[
i
])
...
...
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