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Linshizhi
ffmpeg.wasm-core
Commits
80cf2ebc
Commit
80cf2ebc
authored
Nov 19, 2012
by
Anton Khirnov
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qdrw: cosmetics, reformat
parent
688b132b
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1 changed file
with
21 additions
and
21 deletions
+21
-21
qdrw.c
libavcodec/qdrw.c
+21
-21
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libavcodec/qdrw.c
View file @
80cf2ebc
...
...
@@ -29,7 +29,7 @@
#include "avcodec.h"
#include "internal.h"
typedef
struct
QdrawContext
{
typedef
struct
QdrawContext
{
AVCodecContext
*
avctx
;
AVFrame
pic
;
}
QdrawContext
;
...
...
@@ -38,37 +38,37 @@ static int decode_frame(AVCodecContext *avctx,
void
*
data
,
int
*
got_frame
,
AVPacket
*
avpkt
)
{
const
uint8_t
*
buf
=
avpkt
->
data
;
const
uint8_t
*
buf
=
avpkt
->
data
;
const
uint8_t
*
buf_end
=
avpkt
->
data
+
avpkt
->
size
;
int
buf_size
=
avpkt
->
size
;
int
buf_size
=
avpkt
->
size
;
QdrawContext
*
const
a
=
avctx
->
priv_data
;
AVFrame
*
const
p
=
&
a
->
pic
;
AVFrame
*
const
p
=
&
a
->
pic
;
uint8_t
*
outdata
;
int
colors
;
int
i
,
ret
;
uint32_t
*
pal
;
int
r
,
g
,
b
;
if
(
p
->
data
[
0
])
if
(
p
->
data
[
0
])
avctx
->
release_buffer
(
avctx
,
p
);
p
->
reference
=
0
;
p
->
reference
=
0
;
if
((
ret
=
ff_get_buffer
(
avctx
,
p
))
<
0
)
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"get_buffer() failed
\n
"
);
return
ret
;
}
p
->
pict_type
=
AV_PICTURE_TYPE_I
;
p
->
key_frame
=
1
;
p
->
pict_type
=
AV_PICTURE_TYPE_I
;
p
->
key_frame
=
1
;
outdata
=
a
->
pic
.
data
[
0
];
if
(
buf_end
-
buf
<
0x68
+
4
)
return
AVERROR_INVALIDDATA
;
buf
+=
0x68
;
/* jump to palette */
buf
+=
0x68
;
/* jump to palette */
colors
=
AV_RB32
(
buf
);
buf
+=
4
;
buf
+=
4
;
if
(
colors
<
0
||
colors
>
256
)
{
if
(
colors
<
0
||
colors
>
256
)
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Error color count - %i(0x%X)
\n
"
,
colors
,
colors
);
return
AVERROR_INVALIDDATA
;
}
...
...
@@ -106,7 +106,7 @@ static int decode_frame(AVCodecContext *avctx,
int
tsize
=
0
;
/* decode line */
out
=
outdata
;
out
=
outdata
;
size
=
AV_RB16
(
buf
);
/* size of packed line */
buf
+=
2
;
if
(
buf_end
-
buf
<
size
)
...
...
@@ -121,18 +121,18 @@ static int decode_frame(AVCodecContext *avctx,
if
((
out
+
(
257
-
code
))
>
(
outdata
+
a
->
pic
.
linesize
[
0
]))
break
;
memset
(
out
,
pix
,
257
-
code
);
out
+=
257
-
code
;
out
+=
257
-
code
;
tsize
+=
257
-
code
;
left
-=
2
;
left
-=
2
;
}
else
{
/* copy */
if
((
out
+
code
)
>
(
outdata
+
a
->
pic
.
linesize
[
0
]))
break
;
if
(
buf_end
-
buf
<
code
+
1
)
return
AVERROR_INVALIDDATA
;
memcpy
(
out
,
buf
,
code
+
1
);
out
+=
code
+
1
;
buf
+=
code
+
1
;
left
-=
2
+
code
;
out
+=
code
+
1
;
buf
+=
code
+
1
;
left
-=
2
+
code
;
tsize
+=
code
+
1
;
}
}
...
...
@@ -146,15 +146,15 @@ static int decode_frame(AVCodecContext *avctx,
return
buf_size
;
}
static
av_cold
int
decode_init
(
AVCodecContext
*
avctx
){
// QdrawContext * const a = avctx->priv_data;
static
av_cold
int
decode_init
(
AVCodecContext
*
avctx
)
{
avctx
->
pix_fmt
=
AV_PIX_FMT_PAL8
;
return
0
;
}
static
av_cold
int
decode_end
(
AVCodecContext
*
avctx
){
static
av_cold
int
decode_end
(
AVCodecContext
*
avctx
)
{
QdrawContext
*
const
a
=
avctx
->
priv_data
;
AVFrame
*
pic
=
&
a
->
pic
;
...
...
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