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Linshizhi
ffmpeg.wasm-core
Commits
46043962
Commit
46043962
authored
Jul 09, 2012
by
Justin Ruggles
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alac: avoid using a double-negative when checking if the frame is compressed
parent
9a6c528e
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1 changed file
with
3 additions
and
4 deletions
+3
-4
alac.c
libavcodec/alac.c
+3
-4
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libavcodec/alac.c
View file @
46043962
...
@@ -298,7 +298,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -298,7 +298,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
unsigned
int
outputsamples
;
unsigned
int
outputsamples
;
int
hassize
;
int
hassize
;
unsigned
int
readsamplesize
;
unsigned
int
readsamplesize
;
int
is
not
compressed
;
int
is
_
compressed
;
uint8_t
interlacing_shift
;
uint8_t
interlacing_shift
;
uint8_t
interlacing_leftweight
;
uint8_t
interlacing_leftweight
;
int
i
,
ch
,
ret
;
int
i
,
ch
,
ret
;
...
@@ -320,7 +320,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -320,7 +320,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
alac
->
extra_bits
=
get_bits
(
&
alac
->
gb
,
2
)
<<
3
;
alac
->
extra_bits
=
get_bits
(
&
alac
->
gb
,
2
)
<<
3
;
/* whether the frame is compressed */
/* whether the frame is compressed */
is
notcompressed
=
get_bits1
(
&
alac
->
gb
);
is
_compressed
=
!
get_bits1
(
&
alac
->
gb
);
if
(
hassize
)
{
if
(
hassize
)
{
/* now read the number of samples as a 32bit integer */
/* now read the number of samples as a 32bit integer */
...
@@ -350,8 +350,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -350,8 +350,7 @@ static int alac_decode_frame(AVCodecContext *avctx, void *data,
return
-
1
;
return
-
1
;
}
}
if
(
!
isnotcompressed
)
{
if
(
is_compressed
)
{
/* so it is compressed */
int16_t
predictor_coef_table
[
MAX_CHANNELS
][
32
];
int16_t
predictor_coef_table
[
MAX_CHANNELS
][
32
];
int
predictor_coef_num
[
MAX_CHANNELS
];
int
predictor_coef_num
[
MAX_CHANNELS
];
int
prediction_type
[
MAX_CHANNELS
];
int
prediction_type
[
MAX_CHANNELS
];
...
...
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