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submodule
ffmpeg
Commits
1e40b2c2
Commit
1e40b2c2
authored
Oct 25, 2011
by
Michael Niedermayer
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rematrix: add type for coefficients
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
9f9b2ab1
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2 changed files
with
5 additions
and
2 deletions
+5
-2
rematrix.c
libswresample/rematrix.c
+3
-0
rematrix_template.c
libswresample/rematrix_template.c
+2
-2
No files found.
libswresample/rematrix.c
View file @
1e40b2c2
...
...
@@ -25,16 +25,19 @@
#define ONE (1.0)
#define R(x) x
#define SAMPLE float
#define COEFF float
#define RENAME(x) x ## _float
#include "rematrix_template.c"
#undef SAMPLE
#undef RENAME
#undef R
#undef ONE
#undef COEFF
#define ONE (-32768)
#define R(x) (((x) + 16384)>>15)
#define SAMPLE int16_t
#define COEFF int
#define RENAME(x) x ## _s16
#include "rematrix_template.c"
...
...
libswresample/rematrix_template.c
View file @
1e40b2c2
...
...
@@ -19,14 +19,14 @@
*/
static
void
RENAME
(
sum2
)(
SAMPLE
*
out
,
const
SAMPLE
*
in1
,
const
SAMPLE
*
in2
,
SAMPLE
coeff1
,
SAMPLE
coeff2
,
int
len
){
static
void
RENAME
(
sum2
)(
SAMPLE
*
out
,
const
SAMPLE
*
in1
,
const
SAMPLE
*
in2
,
COEFF
coeff1
,
COEFF
coeff2
,
int
len
){
int
i
;
for
(
i
=
0
;
i
<
len
;
i
++
)
out
[
i
]
=
R
(
coeff1
*
in1
[
i
]
+
coeff2
*
in2
[
i
]);
}
static
void
RENAME
(
copy
)(
SAMPLE
*
out
,
const
SAMPLE
*
in
,
SAMPLE
coeff
,
int
len
){
static
void
RENAME
(
copy
)(
SAMPLE
*
out
,
const
SAMPLE
*
in
,
COEFF
coeff
,
int
len
){
if
(
coeff
==
ONE
){
memcpy
(
out
,
in
,
sizeof
(
SAMPLE
)
*
len
);
}
else
{
...
...
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