Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Contribute to GitLab
Sign in / Register
Toggle navigation
F
ffmpeg.wasm-core
Project
Project
Details
Activity
Cycle Analytics
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Charts
Issues
0
Issues
0
List
Board
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Charts
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Charts
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Linshizhi
ffmpeg.wasm-core
Commits
e016e3c9
Commit
e016e3c9
authored
Jun 08, 2012
by
Michael Niedermayer
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
swr: add mix8to2
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
b0348158
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
17 additions
and
0 deletions
+17
-0
rematrix_template.c
libswresample/rematrix_template.c
+17
-0
No files found.
libswresample/rematrix_template.c
View file @
e016e3c9
...
...
@@ -45,6 +45,16 @@ static void RENAME(mix6to2)(SAMPLE **out, const SAMPLE **in, COEFF *coeffp, int
}
}
static
void
RENAME
(
mix8to2
)(
SAMPLE
**
out
,
const
SAMPLE
**
in
,
COEFF
*
coeffp
,
int
len
){
int
i
;
for
(
i
=
0
;
i
<
len
;
i
++
)
{
INTER
t
=
in
[
2
][
i
]
*
coeffp
[
0
*
8
+
2
]
+
in
[
3
][
i
]
*
coeffp
[
0
*
8
+
3
];
out
[
0
][
i
]
=
R
(
t
+
in
[
0
][
i
]
*
coeffp
[
0
*
8
+
0
]
+
in
[
4
][
i
]
*
coeffp
[
0
*
8
+
4
]
+
in
[
6
][
i
]
*
coeffp
[
0
*
8
+
6
]);
out
[
1
][
i
]
=
R
(
t
+
in
[
1
][
i
]
*
coeffp
[
1
*
8
+
1
]
+
in
[
5
][
i
]
*
coeffp
[
1
*
8
+
5
]
+
in
[
7
][
i
]
*
coeffp
[
1
*
8
+
7
]);
}
}
static
mix_any_func_type
*
RENAME
(
get_mix_any_func
)(
SwrContext
*
s
){
if
(
s
->
out_ch_layout
==
AV_CH_LAYOUT_STEREO
&&
(
s
->
in_ch_layout
==
AV_CH_LAYOUT_5POINT1
||
s
->
in_ch_layout
==
AV_CH_LAYOUT_5POINT1_BACK
)
&&
s
->
matrix
[
0
][
2
]
==
s
->
matrix
[
1
][
2
]
&&
s
->
matrix
[
0
][
3
]
==
s
->
matrix
[
1
][
3
]
...
...
@@ -52,5 +62,12 @@ static mix_any_func_type *RENAME(get_mix_any_func)(SwrContext *s){
)
return
RENAME
(
mix6to2
);
if
(
s
->
out_ch_layout
==
AV_CH_LAYOUT_STEREO
&&
s
->
in_ch_layout
==
AV_CH_LAYOUT_7POINT1
&&
s
->
matrix
[
0
][
2
]
==
s
->
matrix
[
1
][
2
]
&&
s
->
matrix
[
0
][
3
]
==
s
->
matrix
[
1
][
3
]
&&
!
s
->
matrix
[
0
][
1
]
&&
!
s
->
matrix
[
0
][
5
]
&&
!
s
->
matrix
[
1
][
0
]
&&
!
s
->
matrix
[
1
][
4
]
&&
!
s
->
matrix
[
0
][
7
]
&&
!
s
->
matrix
[
1
][
6
]
)
return
RENAME
(
mix8to2
);
return
NULL
;
}
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment