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Linshizhi
ffmpeg.wasm-core
Commits
b12e61ac
Commit
b12e61ac
authored
Jun 29, 2012
by
Stefano Sabatini
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ffplay: factorize expression in audio_decode_frame()
Possibly improve readability.
parent
6f5e7e86
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3 deletions
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ffplay.c
ffplay.c
+3
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ffplay.c
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b12e61ac
...
...
@@ -1985,6 +1985,7 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
if
(
is
->
swr_ctx
)
{
const
uint8_t
*
in
[]
=
{
is
->
frame
->
data
[
0
]
};
uint8_t
*
out
[]
=
{
is
->
audio_buf2
};
int
out_count
=
sizeof
(
is
->
audio_buf2
)
/
is
->
audio_tgt
.
channels
/
av_get_bytes_per_sample
(
is
->
audio_tgt
.
fmt
);
if
(
wanted_nb_samples
!=
is
->
frame
->
nb_samples
)
{
if
(
swr_set_compensation
(
is
->
swr_ctx
,
(
wanted_nb_samples
-
is
->
frame
->
nb_samples
)
*
is
->
audio_tgt
.
freq
/
dec
->
sample_rate
,
wanted_nb_samples
*
is
->
audio_tgt
.
freq
/
dec
->
sample_rate
)
<
0
)
{
...
...
@@ -1992,13 +1993,12 @@ static int audio_decode_frame(VideoState *is, double *pts_ptr)
break
;
}
}
len2
=
swr_convert
(
is
->
swr_ctx
,
out
,
sizeof
(
is
->
audio_buf2
)
/
is
->
audio_tgt
.
channels
/
av_get_bytes_per_sample
(
is
->
audio_tgt
.
fmt
),
in
,
is
->
frame
->
nb_samples
);
len2
=
swr_convert
(
is
->
swr_ctx
,
out
,
out_count
,
in
,
is
->
frame
->
nb_samples
);
if
(
len2
<
0
)
{
fprintf
(
stderr
,
"swr_convert() failed
\n
"
);
break
;
}
if
(
len2
==
sizeof
(
is
->
audio_buf2
)
/
is
->
audio_tgt
.
channels
/
av_get_bytes_per_sample
(
is
->
audio_tgt
.
fmt
)
)
{
if
(
len2
==
out_count
)
{
fprintf
(
stderr
,
"warning: audio buffer is probably too small
\n
"
);
swr_init
(
is
->
swr_ctx
);
}
...
...
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