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Linshizhi
ffmpeg.wasm-core
Commits
56123595
Commit
56123595
authored
Apr 08, 2012
by
Michael Niedermayer
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ffv1: add a minor version field beginning with ffv1.3
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
069cf86d
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ffv1.c
libavcodec/ffv1.c
+5
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libavcodec/ffv1.c
View file @
56123595
...
...
@@ -165,6 +165,7 @@ typedef struct FFV1Context{
uint64_t
rc_stat
[
256
][
2
];
uint64_t
(
*
rc_stat2
[
MAX_QUANT_TABLES
])[
32
][
2
];
int
version
;
int
minor_version
;
int
width
,
height
;
int
chroma_h_shift
,
chroma_v_shift
;
int
chroma_planes
;
...
...
@@ -778,6 +779,8 @@ static int write_extra_header(FFV1Context *f){
ff_build_rac_states
(
c
,
0
.
05
*
(
1LL
<<
32
),
256
-
8
);
put_symbol
(
c
,
state
,
f
->
version
,
0
);
if
(
f
->
version
>
2
)
put_symbol
(
c
,
state
,
f
->
minor_version
,
0
);
put_symbol
(
c
,
state
,
f
->
ac
,
0
);
if
(
f
->
ac
>
1
){
for
(
i
=
1
;
i
<
256
;
i
++
){
...
...
@@ -1543,6 +1546,8 @@ static int read_extra_header(FFV1Context *f){
ff_build_rac_states
(
c
,
0
.
05
*
(
1LL
<<
32
),
256
-
8
);
f
->
version
=
get_symbol
(
c
,
state
,
0
);
if
(
f
->
version
>
2
)
f
->
minor_version
=
get_symbol
(
c
,
state
,
0
);
f
->
ac
=
f
->
avctx
->
coder_type
=
get_symbol
(
c
,
state
,
0
);
if
(
f
->
ac
>
1
){
for
(
i
=
1
;
i
<
256
;
i
++
){
...
...
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