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Linshizhi
ffmpeg.wasm-core
Commits
6886a85f
Commit
6886a85f
authored
Nov 09, 2013
by
Anton Khirnov
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zerocodec: use the AVFrame API properly.
parent
a837c4f2
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1 changed file
with
11 additions
and
5 deletions
+11
-5
zerocodec.c
libavcodec/zerocodec.c
+11
-5
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libavcodec/zerocodec.c
View file @
6886a85f
...
...
@@ -23,7 +23,7 @@
#include "libavutil/common.h"
typedef
struct
{
AVFrame
previous_frame
;
AVFrame
*
previous_frame
;
z_stream
zstream
;
}
ZeroCodecContext
;
...
...
@@ -32,7 +32,7 @@ static int zerocodec_decode_frame(AVCodecContext *avctx, void *data,
{
ZeroCodecContext
*
zc
=
avctx
->
priv_data
;
AVFrame
*
pic
=
data
;
AVFrame
*
prev_pic
=
&
zc
->
previous_frame
;
AVFrame
*
prev_pic
=
zc
->
previous_frame
;
z_stream
*
zstream
=
&
zc
->
zstream
;
uint8_t
*
prev
=
prev_pic
->
data
[
0
];
uint8_t
*
dst
;
...
...
@@ -93,8 +93,8 @@ static int zerocodec_decode_frame(AVCodecContext *avctx, void *data,
dst
-=
pic
->
linesize
[
0
];
}
av_frame_unref
(
&
zc
->
previous_frame
);
if
((
ret
=
av_frame_ref
(
&
zc
->
previous_frame
,
pic
))
<
0
)
av_frame_unref
(
zc
->
previous_frame
);
if
((
ret
=
av_frame_ref
(
zc
->
previous_frame
,
pic
))
<
0
)
return
ret
;
*
got_frame
=
1
;
...
...
@@ -106,7 +106,7 @@ static av_cold int zerocodec_decode_close(AVCodecContext *avctx)
{
ZeroCodecContext
*
zc
=
avctx
->
priv_data
;
av_frame_
unref
(
&
zc
->
previous_frame
);
av_frame_
free
(
&
zc
->
previous_frame
);
inflateEnd
(
&
zc
->
zstream
);
...
...
@@ -132,6 +132,12 @@ static av_cold int zerocodec_decode_init(AVCodecContext *avctx)
return
AVERROR
(
ENOMEM
);
}
zc
->
previous_frame
=
av_frame_alloc
();
if
(
!
zc
->
previous_frame
)
{
zerocodec_decode_close
(
avctx
);
return
AVERROR
(
ENOMEM
);
}
return
0
;
}
...
...
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