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
dcabb3d6
Commit
dcabb3d6
authored
Sep 06, 2011
by
Michael Niedermayer
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
pngdec: implement 2 bpp interlaced.
Fixes Ticket434 Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
4f7dfe12
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
14 additions
and
0 deletions
+14
-0
pngdec.c
libavcodec/pngdec.c
+14
-0
No files found.
libavcodec/pngdec.c
View file @
dcabb3d6
...
...
@@ -69,6 +69,20 @@ static void png_put_interlaced_row(uint8_t *dst, int width,
src_x
++
;
}
break
;
case
2
:
src_x
=
0
;
for
(
x
=
0
;
x
<
width
;
x
++
)
{
int
j2
=
2
*
(
x
&
3
);
j
=
(
x
&
7
);
if
((
dsp_mask
<<
j
)
&
0x80
)
{
b
=
(
src
[
src_x
>>
2
]
>>
(
6
-
2
*
(
src_x
&
3
)))
&
3
;
dst
[
x
>>
2
]
&=
0xFF3F
>>
j2
;
dst
[
x
>>
2
]
|=
b
<<
(
6
-
j2
);
}
if
((
mask
<<
j
)
&
0x80
)
src_x
++
;
}
break
;
default:
bpp
=
bits_per_pixel
>>
3
;
d
=
dst
;
...
...
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