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Linshizhi
ffmpeg.wasm-core
Commits
e5611466
Commit
e5611466
authored
Apr 09, 2016
by
Alexandra Hájková
Committed by
Anton Khirnov
Nov 18, 2016
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cljrdec: Convert to the new bitstream reader
Signed-off-by:
Anton Khirnov
<
anton@khirnov.net
>
parent
b4c0daa8
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1 changed file
with
9 additions
and
9 deletions
+9
-9
cljrdec.c
libavcodec/cljrdec.c
+9
-9
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libavcodec/cljrdec.c
View file @
e5611466
...
@@ -25,7 +25,7 @@
...
@@ -25,7 +25,7 @@
*/
*/
#include "avcodec.h"
#include "avcodec.h"
#include "
get_bits
.h"
#include "
bitstream
.h"
#include "internal.h"
#include "internal.h"
static
int
decode_frame
(
AVCodecContext
*
avctx
,
static
int
decode_frame
(
AVCodecContext
*
avctx
,
...
@@ -34,7 +34,7 @@ static int decode_frame(AVCodecContext *avctx,
...
@@ -34,7 +34,7 @@ static int decode_frame(AVCodecContext *avctx,
{
{
const
uint8_t
*
buf
=
avpkt
->
data
;
const
uint8_t
*
buf
=
avpkt
->
data
;
int
buf_size
=
avpkt
->
size
;
int
buf_size
=
avpkt
->
size
;
GetBitContext
gb
;
BitstreamContext
bc
;
AVFrame
*
const
p
=
data
;
AVFrame
*
const
p
=
data
;
int
x
,
y
,
ret
;
int
x
,
y
,
ret
;
...
@@ -56,20 +56,20 @@ static int decode_frame(AVCodecContext *avctx,
...
@@ -56,20 +56,20 @@ static int decode_frame(AVCodecContext *avctx,
p
->
pict_type
=
AV_PICTURE_TYPE_I
;
p
->
pict_type
=
AV_PICTURE_TYPE_I
;
p
->
key_frame
=
1
;
p
->
key_frame
=
1
;
init_get_bits
(
&
gb
,
buf
,
buf_size
*
8
);
bitstream_init
(
&
bc
,
buf
,
buf_size
*
8
);
for
(
y
=
0
;
y
<
avctx
->
height
;
y
++
)
{
for
(
y
=
0
;
y
<
avctx
->
height
;
y
++
)
{
uint8_t
*
luma
=
&
p
->
data
[
0
][
y
*
p
->
linesize
[
0
]];
uint8_t
*
luma
=
&
p
->
data
[
0
][
y
*
p
->
linesize
[
0
]];
uint8_t
*
cb
=
&
p
->
data
[
1
][
y
*
p
->
linesize
[
1
]];
uint8_t
*
cb
=
&
p
->
data
[
1
][
y
*
p
->
linesize
[
1
]];
uint8_t
*
cr
=
&
p
->
data
[
2
][
y
*
p
->
linesize
[
2
]];
uint8_t
*
cr
=
&
p
->
data
[
2
][
y
*
p
->
linesize
[
2
]];
for
(
x
=
0
;
x
<
avctx
->
width
;
x
+=
4
)
{
for
(
x
=
0
;
x
<
avctx
->
width
;
x
+=
4
)
{
luma
[
3
]
=
get_bits
(
&
gb
,
5
)
<<
3
;
luma
[
3
]
=
bitstream_read
(
&
bc
,
5
)
<<
3
;
luma
[
2
]
=
get_bits
(
&
gb
,
5
)
<<
3
;
luma
[
2
]
=
bitstream_read
(
&
bc
,
5
)
<<
3
;
luma
[
1
]
=
get_bits
(
&
gb
,
5
)
<<
3
;
luma
[
1
]
=
bitstream_read
(
&
bc
,
5
)
<<
3
;
luma
[
0
]
=
get_bits
(
&
gb
,
5
)
<<
3
;
luma
[
0
]
=
bitstream_read
(
&
bc
,
5
)
<<
3
;
luma
+=
4
;
luma
+=
4
;
*
(
cb
++
)
=
get_bits
(
&
gb
,
6
)
<<
2
;
*
(
cb
++
)
=
bitstream_read
(
&
bc
,
6
)
<<
2
;
*
(
cr
++
)
=
get_bits
(
&
gb
,
6
)
<<
2
;
*
(
cr
++
)
=
bitstream_read
(
&
bc
,
6
)
<<
2
;
}
}
}
}
...
...
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