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Linshizhi
ffmpeg.wasm-core
Commits
12f13ecb
Commit
12f13ecb
authored
Mar 23, 2016
by
Anton Khirnov
Browse files
Options
Browse Files
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Plain Diff
svq3: move mb strides/sizes to the SVQ3Context
parent
ad9d3384
Show whitespace changes
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Side-by-side
Showing
1 changed file
with
52 additions
and
51 deletions
+52
-51
svq3.c
libavcodec/svq3.c
+52
-51
No files found.
libavcodec/svq3.c
View file @
12f13ecb
...
@@ -93,6 +93,9 @@ typedef struct SVQ3Context {
...
@@ -93,6 +93,9 @@ typedef struct SVQ3Context {
int
mb_x
,
mb_y
;
int
mb_x
,
mb_y
;
int
mb_xy
;
int
mb_xy
;
int
mb_width
,
mb_height
;
int
mb_stride
,
mb_num
;
int
b_stride
;
uint32_t
*
mb2br_xy
;
uint32_t
*
mb2br_xy
;
...
@@ -477,7 +480,7 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
...
@@ -477,7 +480,7 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
for
(
i
=
0
;
i
<
16
;
i
+=
part_height
)
for
(
i
=
0
;
i
<
16
;
i
+=
part_height
)
for
(
j
=
0
;
j
<
16
;
j
+=
part_width
)
{
for
(
j
=
0
;
j
<
16
;
j
+=
part_width
)
{
const
int
b_xy
=
(
4
*
s
->
mb_x
+
(
j
>>
2
))
+
const
int
b_xy
=
(
4
*
s
->
mb_x
+
(
j
>>
2
))
+
(
4
*
s
->
mb_y
+
(
i
>>
2
))
*
h
->
b_stride
;
(
4
*
s
->
mb_y
+
(
i
>>
2
))
*
s
->
b_stride
;
int
dxy
;
int
dxy
;
x
=
16
*
s
->
mb_x
+
j
;
x
=
16
*
s
->
mb_x
+
j
;
y
=
16
*
s
->
mb_y
+
i
;
y
=
16
*
s
->
mb_y
+
i
;
...
@@ -570,7 +573,7 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
...
@@ -570,7 +573,7 @@ static inline int svq3_mc_dir(SVQ3Context *s, int size, int mode,
/* write back motion vectors */
/* write back motion vectors */
fill_rectangle
(
h
->
cur_pic
.
motion_val
[
dir
][
b_xy
],
fill_rectangle
(
h
->
cur_pic
.
motion_val
[
dir
][
b_xy
],
part_width
>>
2
,
part_height
>>
2
,
h
->
b_stride
,
part_width
>>
2
,
part_height
>>
2
,
s
->
b_stride
,
pack16to32
(
mx
,
my
),
4
);
pack16to32
(
mx
,
my
),
4
);
}
}
...
@@ -695,7 +698,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
...
@@ -695,7 +698,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
uint32_t
vlc
;
uint32_t
vlc
;
int8_t
*
top
,
*
left
;
int8_t
*
top
,
*
left
;
const
int
mb_xy
=
s
->
mb_xy
;
const
int
mb_xy
=
s
->
mb_xy
;
const
int
b_xy
=
4
*
s
->
mb_x
+
4
*
s
->
mb_y
*
h
->
b_stride
;
const
int
b_xy
=
4
*
s
->
mb_x
+
4
*
s
->
mb_y
*
s
->
b_stride
;
s
->
top_samples_available
=
(
s
->
mb_y
==
0
)
?
0x33FF
:
0xFFFF
;
s
->
top_samples_available
=
(
s
->
mb_y
==
0
)
?
0x33FF
:
0xFFFF
;
s
->
left_samples_available
=
(
s
->
mb_x
==
0
)
?
0x5F5F
:
0xFFFF
;
s
->
left_samples_available
=
(
s
->
mb_x
==
0
)
?
0x5F5F
:
0xFFFF
;
...
@@ -743,31 +746,31 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
...
@@ -743,31 +746,31 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if
(
s
->
mb_x
>
0
&&
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
1
]
+
6
]
!=
-
1
)
{
if
(
s
->
mb_x
>
0
&&
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
1
]
+
6
]
!=
-
1
)
{
for
(
i
=
0
;
i
<
4
;
i
++
)
for
(
i
=
0
;
i
<
4
;
i
++
)
AV_COPY32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
+
i
*
8
],
AV_COPY32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
+
i
*
8
],
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
1
+
i
*
h
->
b_stride
]);
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
1
+
i
*
s
->
b_stride
]);
}
else
{
}
else
{
for
(
i
=
0
;
i
<
4
;
i
++
)
for
(
i
=
0
;
i
<
4
;
i
++
)
AV_ZERO32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
+
i
*
8
]);
AV_ZERO32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
+
i
*
8
]);
}
}
if
(
s
->
mb_y
>
0
)
{
if
(
s
->
mb_y
>
0
)
{
memcpy
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
*
8
],
memcpy
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
*
8
],
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
h
->
b_stride
],
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
s
->
b_stride
],
4
*
2
*
sizeof
(
int16_t
));
4
*
2
*
sizeof
(
int16_t
));
memset
(
&
s
->
ref_cache
[
m
][
scan8
[
0
]
-
1
*
8
],
memset
(
&
s
->
ref_cache
[
m
][
scan8
[
0
]
-
1
*
8
],
(
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
]]
==
-
1
)
?
PART_NOT_AVAILABLE
:
1
,
4
);
(
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
]]
==
-
1
)
?
PART_NOT_AVAILABLE
:
1
,
4
);
if
(
s
->
mb_x
<
h
->
mb_width
-
1
)
{
if
(
s
->
mb_x
<
s
->
mb_width
-
1
)
{
AV_COPY32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
+
4
-
1
*
8
],
AV_COPY32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
+
4
-
1
*
8
],
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
h
->
b_stride
+
4
]);
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
s
->
b_stride
+
4
]);
s
->
ref_cache
[
m
][
scan8
[
0
]
+
4
-
1
*
8
]
=
s
->
ref_cache
[
m
][
scan8
[
0
]
+
4
-
1
*
8
]
=
(
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
+
1
]
+
6
]
==
-
1
||
(
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
+
1
]
+
6
]
==
-
1
||
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
]]
==
-
1
)
?
PART_NOT_AVAILABLE
:
1
;
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
]]
==
-
1
)
?
PART_NOT_AVAILABLE
:
1
;
}
else
}
else
s
->
ref_cache
[
m
][
scan8
[
0
]
+
4
-
1
*
8
]
=
PART_NOT_AVAILABLE
;
s
->
ref_cache
[
m
][
scan8
[
0
]
+
4
-
1
*
8
]
=
PART_NOT_AVAILABLE
;
if
(
s
->
mb_x
>
0
)
{
if
(
s
->
mb_x
>
0
)
{
AV_COPY32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
-
1
*
8
],
AV_COPY32
(
s
->
mv_cache
[
m
][
scan8
[
0
]
-
1
-
1
*
8
],
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
h
->
b_stride
-
1
]);
h
->
cur_pic
.
motion_val
[
m
][
b_xy
-
s
->
b_stride
-
1
]);
s
->
ref_cache
[
m
][
scan8
[
0
]
-
1
-
1
*
8
]
=
s
->
ref_cache
[
m
][
scan8
[
0
]
-
1
-
1
*
8
]
=
(
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
-
1
]
+
3
]
==
-
1
)
?
PART_NOT_AVAILABLE
:
1
;
(
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
-
1
]
+
3
]
==
-
1
)
?
PART_NOT_AVAILABLE
:
1
;
}
else
}
else
s
->
ref_cache
[
m
][
scan8
[
0
]
-
1
-
1
*
8
]
=
PART_NOT_AVAILABLE
;
s
->
ref_cache
[
m
][
scan8
[
0
]
-
1
-
1
*
8
]
=
PART_NOT_AVAILABLE
;
}
else
}
else
...
@@ -788,7 +791,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
...
@@ -788,7 +791,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
return
-
1
;
return
-
1
;
}
else
{
}
else
{
for
(
i
=
0
;
i
<
4
;
i
++
)
for
(
i
=
0
;
i
<
4
;
i
++
)
memset
(
h
->
cur_pic
.
motion_val
[
0
][
b_xy
+
i
*
h
->
b_stride
],
memset
(
h
->
cur_pic
.
motion_val
[
0
][
b_xy
+
i
*
s
->
b_stride
],
0
,
4
*
2
*
sizeof
(
int16_t
));
0
,
4
*
2
*
sizeof
(
int16_t
));
}
}
if
(
mb_type
!=
1
)
{
if
(
mb_type
!=
1
)
{
...
@@ -796,7 +799,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
...
@@ -796,7 +799,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
return
-
1
;
return
-
1
;
}
else
{
}
else
{
for
(
i
=
0
;
i
<
4
;
i
++
)
for
(
i
=
0
;
i
<
4
;
i
++
)
memset
(
h
->
cur_pic
.
motion_val
[
1
][
b_xy
+
i
*
h
->
b_stride
],
memset
(
h
->
cur_pic
.
motion_val
[
1
][
b_xy
+
i
*
s
->
b_stride
],
0
,
4
*
2
*
sizeof
(
int16_t
));
0
,
4
*
2
*
sizeof
(
int16_t
));
}
}
}
}
...
@@ -816,10 +819,10 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
...
@@ -816,10 +819,10 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
s
->
left_samples_available
=
0x5F5F
;
s
->
left_samples_available
=
0x5F5F
;
}
}
if
(
s
->
mb_y
>
0
)
{
if
(
s
->
mb_y
>
0
)
{
s
->
intra4x4_pred_mode_cache
[
4
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
]
+
0
];
s
->
intra4x4_pred_mode_cache
[
4
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
]
+
0
];
s
->
intra4x4_pred_mode_cache
[
5
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
]
+
1
];
s
->
intra4x4_pred_mode_cache
[
5
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
]
+
1
];
s
->
intra4x4_pred_mode_cache
[
6
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
]
+
2
];
s
->
intra4x4_pred_mode_cache
[
6
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
]
+
2
];
s
->
intra4x4_pred_mode_cache
[
7
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
]
+
3
];
s
->
intra4x4_pred_mode_cache
[
7
+
8
*
0
]
=
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
]
+
3
];
if
(
s
->
intra4x4_pred_mode_cache
[
4
+
8
*
0
]
==
-
1
)
if
(
s
->
intra4x4_pred_mode_cache
[
4
+
8
*
0
]
==
-
1
)
s
->
top_samples_available
=
0x33FF
;
s
->
top_samples_available
=
0x33FF
;
...
@@ -888,11 +891,11 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
...
@@ -888,11 +891,11 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if
(
!
IS_INTER
(
mb_type
)
&&
h
->
pict_type
!=
AV_PICTURE_TYPE_I
)
{
if
(
!
IS_INTER
(
mb_type
)
&&
h
->
pict_type
!=
AV_PICTURE_TYPE_I
)
{
for
(
i
=
0
;
i
<
4
;
i
++
)
for
(
i
=
0
;
i
<
4
;
i
++
)
memset
(
h
->
cur_pic
.
motion_val
[
0
][
b_xy
+
i
*
h
->
b_stride
],
memset
(
h
->
cur_pic
.
motion_val
[
0
][
b_xy
+
i
*
s
->
b_stride
],
0
,
4
*
2
*
sizeof
(
int16_t
));
0
,
4
*
2
*
sizeof
(
int16_t
));
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
for
(
i
=
0
;
i
<
4
;
i
++
)
for
(
i
=
0
;
i
<
4
;
i
++
)
memset
(
h
->
cur_pic
.
motion_val
[
1
][
b_xy
+
i
*
h
->
b_stride
],
memset
(
h
->
cur_pic
.
motion_val
[
1
][
b_xy
+
i
*
s
->
b_stride
],
0
,
4
*
2
*
sizeof
(
int16_t
));
0
,
4
*
2
*
sizeof
(
int16_t
));
}
}
}
}
...
@@ -1043,9 +1046,9 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
...
@@ -1043,9 +1046,9 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
sl
->
slice_type
=
ff_h264_golomb_to_pict_type
[
slice_id
];
sl
->
slice_type
=
ff_h264_golomb_to_pict_type
[
slice_id
];
if
((
header
&
0x9F
)
==
2
)
{
if
((
header
&
0x9F
)
==
2
)
{
i
=
(
h
->
mb_num
<
64
)
?
6
:
(
1
+
av_log2
(
h
->
mb_num
-
1
));
i
=
(
s
->
mb_num
<
64
)
?
6
:
(
1
+
av_log2
(
s
->
mb_num
-
1
));
sl
->
mb_skip_run
=
get_bits
(
&
h
->
gb
,
i
)
-
sl
->
mb_skip_run
=
get_bits
(
&
h
->
gb
,
i
)
-
(
s
->
mb_y
*
h
->
mb_width
+
s
->
mb_x
);
(
s
->
mb_y
*
s
->
mb_width
+
s
->
mb_x
);
}
else
{
}
else
{
skip_bits1
(
&
h
->
gb
);
skip_bits1
(
&
h
->
gb
);
sl
->
mb_skip_run
=
0
;
sl
->
mb_skip_run
=
0
;
...
@@ -1075,11 +1078,11 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
...
@@ -1075,11 +1078,11 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
-
1
,
8
*
sizeof
(
int8_t
)
*
s
->
mb_x
);
-
1
,
8
*
sizeof
(
int8_t
)
*
s
->
mb_x
);
}
}
if
(
s
->
mb_y
>
0
)
{
if
(
s
->
mb_y
>
0
)
{
memset
(
s
->
intra4x4_pred_mode
+
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
],
memset
(
s
->
intra4x4_pred_mode
+
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
],
-
1
,
8
*
sizeof
(
int8_t
)
*
(
h
->
mb_width
-
s
->
mb_x
));
-
1
,
8
*
sizeof
(
int8_t
)
*
(
s
->
mb_width
-
s
->
mb_x
));
if
(
s
->
mb_x
>
0
)
if
(
s
->
mb_x
>
0
)
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
h
->
mb_stride
-
1
]
+
3
]
=
-
1
;
s
->
intra4x4_pred_mode
[
s
->
mb2br_xy
[
mb_xy
-
s
->
mb_stride
-
1
]
+
3
]
=
-
1
;
}
}
return
0
;
return
0
;
...
@@ -1279,30 +1282,28 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
...
@@ -1279,30 +1282,28 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
}
}
}
}
h
->
width
=
avctx
->
width
;
s
->
mb_width
=
(
avctx
->
width
+
15
)
/
16
;
h
->
height
=
avctx
->
height
;
s
->
mb_height
=
(
avctx
->
height
+
15
)
/
16
;
h
->
mb_width
=
(
h
->
width
+
15
)
/
16
;
s
->
mb_stride
=
s
->
mb_width
+
1
;
h
->
mb_height
=
(
h
->
height
+
15
)
/
16
;
s
->
mb_num
=
s
->
mb_width
*
s
->
mb_height
;
h
->
mb_stride
=
h
->
mb_width
+
1
;
s
->
b_stride
=
4
*
s
->
mb_width
;
h
->
mb_num
=
h
->
mb_width
*
h
->
mb_height
;
s
->
h_edge_pos
=
s
->
mb_width
*
16
;
h
->
b_stride
=
4
*
h
->
mb_width
;
s
->
v_edge_pos
=
s
->
mb_height
*
16
;
s
->
h_edge_pos
=
h
->
mb_width
*
16
;
s
->
v_edge_pos
=
h
->
mb_height
*
16
;
s
->
intra4x4_pred_mode
=
av_mallocz
(
h
->
mb_stride
*
2
*
8
);
s
->
intra4x4_pred_mode
=
av_mallocz
(
s
->
mb_stride
*
2
*
8
);
if
(
!
s
->
intra4x4_pred_mode
)
if
(
!
s
->
intra4x4_pred_mode
)
return
AVERROR
(
ENOMEM
);
return
AVERROR
(
ENOMEM
);
s
->
mb2br_xy
=
av_mallocz
(
h
->
mb_stride
*
(
h
->
mb_height
+
1
)
*
s
->
mb2br_xy
=
av_mallocz
(
s
->
mb_stride
*
(
s
->
mb_height
+
1
)
*
sizeof
(
*
s
->
mb2br_xy
));
sizeof
(
*
s
->
mb2br_xy
));
if
(
!
s
->
mb2br_xy
)
if
(
!
s
->
mb2br_xy
)
return
AVERROR
(
ENOMEM
);
return
AVERROR
(
ENOMEM
);
for
(
y
=
0
;
y
<
h
->
mb_height
;
y
++
)
for
(
y
=
0
;
y
<
s
->
mb_height
;
y
++
)
for
(
x
=
0
;
x
<
h
->
mb_width
;
x
++
)
{
for
(
x
=
0
;
x
<
s
->
mb_width
;
x
++
)
{
const
int
mb_xy
=
x
+
y
*
h
->
mb_stride
;
const
int
mb_xy
=
x
+
y
*
s
->
mb_stride
;
s
->
mb2br_xy
[
mb_xy
]
=
8
*
(
mb_xy
%
(
2
*
h
->
mb_stride
));
s
->
mb2br_xy
[
mb_xy
]
=
8
*
(
mb_xy
%
(
2
*
s
->
mb_stride
));
}
}
init_dequant4_coeff_table
(
s
);
init_dequant4_coeff_table
(
s
);
...
@@ -1327,19 +1328,19 @@ static int get_buffer(AVCodecContext *avctx, H264Picture *pic)
...
@@ -1327,19 +1328,19 @@ static int get_buffer(AVCodecContext *avctx, H264Picture *pic)
SVQ3Context
*
s
=
avctx
->
priv_data
;
SVQ3Context
*
s
=
avctx
->
priv_data
;
H264Context
*
h
=
&
s
->
h
;
H264Context
*
h
=
&
s
->
h
;
H264SliceContext
*
sl
=
&
h
->
slice_ctx
[
0
];
H264SliceContext
*
sl
=
&
h
->
slice_ctx
[
0
];
const
int
big_mb_num
=
h
->
mb_stride
*
(
h
->
mb_height
+
1
)
+
1
;
const
int
big_mb_num
=
s
->
mb_stride
*
(
s
->
mb_height
+
1
)
+
1
;
const
int
mb_array_size
=
h
->
mb_stride
*
h
->
mb_height
;
const
int
mb_array_size
=
s
->
mb_stride
*
s
->
mb_height
;
const
int
b4_stride
=
h
->
mb_width
*
4
+
1
;
const
int
b4_stride
=
s
->
mb_width
*
4
+
1
;
const
int
b4_array_size
=
b4_stride
*
h
->
mb_height
*
4
;
const
int
b4_array_size
=
b4_stride
*
s
->
mb_height
*
4
;
int
ret
;
int
ret
;
if
(
!
pic
->
motion_val_buf
[
0
])
{
if
(
!
pic
->
motion_val_buf
[
0
])
{
int
i
;
int
i
;
pic
->
mb_type_buf
=
av_buffer_allocz
((
big_mb_num
+
h
->
mb_stride
)
*
sizeof
(
uint32_t
));
pic
->
mb_type_buf
=
av_buffer_allocz
((
big_mb_num
+
s
->
mb_stride
)
*
sizeof
(
uint32_t
));
if
(
!
pic
->
mb_type_buf
)
if
(
!
pic
->
mb_type_buf
)
return
AVERROR
(
ENOMEM
);
return
AVERROR
(
ENOMEM
);
pic
->
mb_type
=
(
uint32_t
*
)
pic
->
mb_type_buf
->
data
+
2
*
h
->
mb_stride
+
1
;
pic
->
mb_type
=
(
uint32_t
*
)
pic
->
mb_type_buf
->
data
+
2
*
s
->
mb_stride
+
1
;
for
(
i
=
0
;
i
<
2
;
i
++
)
{
for
(
i
=
0
;
i
<
2
;
i
++
)
{
pic
->
motion_val_buf
[
i
]
=
av_buffer_allocz
(
2
*
(
b4_array_size
+
4
)
*
sizeof
(
int16_t
));
pic
->
motion_val_buf
[
i
]
=
av_buffer_allocz
(
2
*
(
b4_array_size
+
4
)
*
sizeof
(
int16_t
));
...
@@ -1510,10 +1511,10 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -1510,10 +1511,10 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
}
}
}
}
for
(
s
->
mb_y
=
0
;
s
->
mb_y
<
h
->
mb_height
;
s
->
mb_y
++
)
{
for
(
s
->
mb_y
=
0
;
s
->
mb_y
<
s
->
mb_height
;
s
->
mb_y
++
)
{
for
(
s
->
mb_x
=
0
;
s
->
mb_x
<
h
->
mb_width
;
s
->
mb_x
++
)
{
for
(
s
->
mb_x
=
0
;
s
->
mb_x
<
s
->
mb_width
;
s
->
mb_x
++
)
{
unsigned
mb_type
;
unsigned
mb_type
;
s
->
mb_xy
=
s
->
mb_x
+
s
->
mb_y
*
h
->
mb_stride
;
s
->
mb_xy
=
s
->
mb_x
+
s
->
mb_y
*
s
->
mb_stride
;
if
((
get_bits_left
(
&
h
->
gb
))
<=
7
)
{
if
((
get_bits_left
(
&
h
->
gb
))
<=
7
)
{
if
(((
get_bits_count
(
&
h
->
gb
)
&
7
)
==
0
||
if
(((
get_bits_count
(
&
h
->
gb
)
&
7
)
==
0
||
...
@@ -1541,7 +1542,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
...
@@ -1541,7 +1542,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
hl_decode_mb
(
s
,
h
,
&
h
->
slice_ctx
[
0
]);
hl_decode_mb
(
s
,
h
,
&
h
->
slice_ctx
[
0
]);
if
(
h
->
pict_type
!=
AV_PICTURE_TYPE_B
&&
!
h
->
low_delay
)
if
(
h
->
pict_type
!=
AV_PICTURE_TYPE_B
&&
!
h
->
low_delay
)
h
->
cur_pic
.
mb_type
[
s
->
mb_x
+
s
->
mb_y
*
h
->
mb_stride
]
=
h
->
cur_pic
.
mb_type
[
s
->
mb_x
+
s
->
mb_y
*
s
->
mb_stride
]
=
(
h
->
pict_type
==
AV_PICTURE_TYPE_P
&&
mb_type
<
8
)
?
(
mb_type
-
1
)
:
-
1
;
(
h
->
pict_type
==
AV_PICTURE_TYPE_P
&&
mb_type
<
8
)
?
(
mb_type
-
1
)
:
-
1
;
}
}
...
...
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