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Linshizhi
ffmpeg.wasm-core
Commits
a1e52c94
Commit
a1e52c94
authored
Jul 15, 2012
by
Carl Eugen Hoyos
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Simplify ptx decoding on big-endian.
Reviewed-by: Reimar Döffinger
parent
a8ff7e3f
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Showing
1 changed file
with
1 addition
and
7 deletions
+1
-7
ptx.c
libavcodec/ptx.c
+1
-7
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libavcodec/ptx.c
View file @
a1e52c94
...
@@ -58,7 +58,7 @@ static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
...
@@ -58,7 +58,7 @@ static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
return
-
1
;
return
-
1
;
}
}
avctx
->
pix_fmt
=
PIX_FMT_RGB555
;
avctx
->
pix_fmt
=
PIX_FMT_RGB555
LE
;
if
(
buf_end
-
buf
<
offset
)
if
(
buf_end
-
buf
<
offset
)
return
AVERROR_INVALIDDATA
;
return
AVERROR_INVALIDDATA
;
...
@@ -85,13 +85,7 @@ static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
...
@@ -85,13 +85,7 @@ static int ptx_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
stride
=
p
->
linesize
[
0
];
stride
=
p
->
linesize
[
0
];
for
(
y
=
0
;
y
<
h
&&
buf_end
-
buf
>=
w
*
bytes_per_pixel
;
y
++
)
{
for
(
y
=
0
;
y
<
h
&&
buf_end
-
buf
>=
w
*
bytes_per_pixel
;
y
++
)
{
#if HAVE_BIGENDIAN
unsigned
int
x
;
for
(
x
=
0
;
x
<
w
*
bytes_per_pixel
;
x
+=
bytes_per_pixel
)
AV_WN16
(
ptr
+
x
,
AV_RL16
(
buf
+
x
));
#else
memcpy
(
ptr
,
buf
,
w
*
bytes_per_pixel
);
memcpy
(
ptr
,
buf
,
w
*
bytes_per_pixel
);
#endif
ptr
+=
stride
;
ptr
+=
stride
;
buf
+=
w
*
bytes_per_pixel
;
buf
+=
w
*
bytes_per_pixel
;
}
}
...
...
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