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Linshizhi
ffmpeg.wasm-core
Commits
5a5db90e
Commit
5a5db90e
authored
Mar 23, 2016
by
Anton Khirnov
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svq3: move pict_type to the SVQ3Context
parent
12f13ecb
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1 changed file
with
29 additions
and
29 deletions
+29
-29
svq3.c
libavcodec/svq3.c
+29
-29
No files found.
libavcodec/svq3.c
View file @
5a5db90e
...
...
@@ -91,6 +91,8 @@ typedef struct SVQ3Context {
int
v_edge_pos
;
int
last_frame_output
;
enum
AVPictureType
pict_type
;
int
mb_x
,
mb_y
;
int
mb_xy
;
int
mb_width
,
mb_height
;
...
...
@@ -705,12 +707,12 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
s
->
topright_samples_available
=
0xFFFF
;
if
(
mb_type
==
0
)
{
/* SKIP */
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_P
||
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_P
||
s
->
next_pic
->
mb_type
[
mb_xy
]
==
-
1
)
{
svq3_mc_dir_part
(
s
,
16
*
s
->
mb_x
,
16
*
s
->
mb_y
,
16
,
16
,
0
,
0
,
0
,
0
,
0
,
0
);
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
)
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
)
svq3_mc_dir_part
(
s
,
16
*
s
->
mb_x
,
16
*
s
->
mb_y
,
16
,
16
,
0
,
0
,
0
,
0
,
1
,
1
);
...
...
@@ -777,12 +779,12 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
memset
(
&
s
->
ref_cache
[
m
][
scan8
[
0
]
-
1
*
8
-
1
],
PART_NOT_AVAILABLE
,
8
);
if
(
h
->
pict_type
!=
AV_PICTURE_TYPE_B
)
if
(
s
->
pict_type
!=
AV_PICTURE_TYPE_B
)
break
;
}
/* decode motion vector(s) and form prediction(s) */
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_P
)
{
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_P
)
{
if
(
svq3_mc_dir
(
s
,
mb_type
-
1
,
mode
,
0
,
0
)
<
0
)
return
-
1
;
}
else
{
/* AV_PICTURE_TYPE_B */
...
...
@@ -889,11 +891,11 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
mb_type
=
MB_TYPE_INTRA16x16
;
}
if
(
!
IS_INTER
(
mb_type
)
&&
h
->
pict_type
!=
AV_PICTURE_TYPE_I
)
{
if
(
!
IS_INTER
(
mb_type
)
&&
s
->
pict_type
!=
AV_PICTURE_TYPE_I
)
{
for
(
i
=
0
;
i
<
4
;
i
++
)
memset
(
h
->
cur_pic
.
motion_val
[
0
][
b_xy
+
i
*
s
->
b_stride
],
0
,
4
*
2
*
sizeof
(
int16_t
));
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
for
(
i
=
0
;
i
<
4
;
i
++
)
memset
(
h
->
cur_pic
.
motion_val
[
1
][
b_xy
+
i
*
s
->
b_stride
],
0
,
4
*
2
*
sizeof
(
int16_t
));
...
...
@@ -902,12 +904,12 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
if
(
!
IS_INTRA4x4
(
mb_type
))
{
memset
(
s
->
intra4x4_pred_mode
+
s
->
mb2br_xy
[
mb_xy
],
DC_PRED
,
8
);
}
if
(
!
IS_SKIP
(
mb_type
)
||
h
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
if
(
!
IS_SKIP
(
mb_type
)
||
s
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
memset
(
sl
->
non_zero_count_cache
+
8
,
0
,
14
*
8
*
sizeof
(
uint8_t
));
}
if
(
!
IS_INTRA16x16
(
mb_type
)
&&
(
!
IS_SKIP
(
mb_type
)
||
h
->
pict_type
==
AV_PICTURE_TYPE_B
))
{
(
!
IS_SKIP
(
mb_type
)
||
s
->
pict_type
==
AV_PICTURE_TYPE_B
))
{
if
((
vlc
=
svq3_get_ue_golomb
(
&
h
->
gb
))
>=
48
)
{
av_log
(
h
->
avctx
,
AV_LOG_ERROR
,
"cbp_vlc=%"
PRIu32
"
\n
"
,
vlc
);
return
-
1
;
...
...
@@ -917,7 +919,7 @@ static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
:
ff_h264_golomb_to_inter_cbp
[
vlc
];
}
if
(
IS_INTRA16x16
(
mb_type
)
||
(
h
->
pict_type
!=
AV_PICTURE_TYPE_I
&&
s
->
adaptive_quant
&&
cbp
))
{
(
s
->
pict_type
!=
AV_PICTURE_TYPE_I
&&
s
->
adaptive_quant
&&
cbp
))
{
sl
->
qscale
+=
svq3_get_se_golomb
(
&
h
->
gb
);
if
(
sl
->
qscale
>
31u
)
{
...
...
@@ -1043,7 +1045,7 @@ static int svq3_decode_slice_header(AVCodecContext *avctx)
return
-
1
;
}
s
l
->
slice
_type
=
ff_h264_golomb_to_pict_type
[
slice_id
];
s
->
pict
_type
=
ff_h264_golomb_to_pict_type
[
slice_id
];
if
((
header
&
0x9F
)
==
2
)
{
i
=
(
s
->
mb_num
<
64
)
?
6
:
(
1
+
av_log2
(
s
->
mb_num
-
1
));
...
...
@@ -1354,7 +1356,7 @@ static int get_buffer(AVCodecContext *avctx, H264Picture *pic)
pic
->
ref_index
[
i
]
=
pic
->
ref_index_buf
[
i
]
->
data
;
}
}
pic
->
reference
=
!
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
);
pic
->
reference
=
!
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
);
ret
=
ff_get_buffer
(
avctx
,
pic
->
f
,
pic
->
reference
?
AV_GET_BUFFER_FLAG_REF
:
0
);
...
...
@@ -1407,16 +1409,14 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
if
(
svq3_decode_slice_header
(
avctx
))
return
-
1
;
h
->
pict_type
=
sl
->
slice_type
;
if
(
h
->
pict_type
!=
AV_PICTURE_TYPE_B
)
if
(
s
->
pict_type
!=
AV_PICTURE_TYPE_B
)
FFSWAP
(
H264Picture
*
,
s
->
next_pic
,
s
->
last_pic
);
av_frame_unref
(
s
->
cur_pic
->
f
);
/* for skipping the frame */
s
->
cur_pic
->
f
->
pict_type
=
h
->
pict_type
;
s
->
cur_pic
->
f
->
key_frame
=
(
h
->
pict_type
==
AV_PICTURE_TYPE_I
);
s
->
cur_pic
->
f
->
pict_type
=
s
->
pict_type
;
s
->
cur_pic
->
f
->
key_frame
=
(
s
->
pict_type
==
AV_PICTURE_TYPE_I
);
ret
=
get_buffer
(
avctx
,
s
->
cur_pic
);
if
(
ret
<
0
)
...
...
@@ -1436,7 +1436,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
h
->
block_offset
[
48
+
32
+
i
]
=
(
4
*
((
scan8
[
i
]
-
scan8
[
0
])
&
7
))
+
8
*
sl
->
uvlinesize
*
((
scan8
[
i
]
-
scan8
[
0
])
>>
3
);
}
if
(
h
->
pict_type
!=
AV_PICTURE_TYPE_I
)
{
if
(
s
->
pict_type
!=
AV_PICTURE_TYPE_I
)
{
if
(
!
s
->
last_pic
->
f
->
data
[
0
])
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Missing reference frame.
\n
"
);
ret
=
get_buffer
(
avctx
,
s
->
last_pic
);
...
...
@@ -1449,7 +1449,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
s
->
last_pic
->
f
->
linesize
[
2
]);
}
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
&&
!
s
->
next_pic
->
f
->
data
[
0
])
{
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
&&
!
s
->
next_pic
->
f
->
data
[
0
])
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"Missing reference frame.
\n
"
);
ret
=
get_buffer
(
avctx
,
s
->
next_pic
);
if
(
ret
<
0
)
...
...
@@ -1465,23 +1465,23 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
if
(
avctx
->
debug
&
FF_DEBUG_PICT_INFO
)
av_log
(
h
->
avctx
,
AV_LOG_DEBUG
,
"%c hpel:%d, tpel:%d aqp:%d qp:%d, slice_num:%02X
\n
"
,
av_get_picture_type_char
(
h
->
pict_type
),
av_get_picture_type_char
(
s
->
pict_type
),
s
->
halfpel_flag
,
s
->
thirdpel_flag
,
s
->
adaptive_quant
,
h
->
slice_ctx
[
0
].
qscale
,
sl
->
slice_num
);
if
(
avctx
->
skip_frame
>=
AVDISCARD_NONREF
&&
h
->
pict_type
==
AV_PICTURE_TYPE_B
||
avctx
->
skip_frame
>=
AVDISCARD_NONKEY
&&
h
->
pict_type
!=
AV_PICTURE_TYPE_I
||
if
(
avctx
->
skip_frame
>=
AVDISCARD_NONREF
&&
s
->
pict_type
==
AV_PICTURE_TYPE_B
||
avctx
->
skip_frame
>=
AVDISCARD_NONKEY
&&
s
->
pict_type
!=
AV_PICTURE_TYPE_I
||
avctx
->
skip_frame
>=
AVDISCARD_ALL
)
return
0
;
if
(
s
->
next_p_frame_damaged
)
{
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
)
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
)
return
0
;
else
s
->
next_p_frame_damaged
=
0
;
}
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
)
{
h
->
frame_num_offset
=
sl
->
slice_num
-
h
->
prev_frame_num
;
if
(
h
->
frame_num_offset
<
0
)
...
...
@@ -1528,9 +1528,9 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
mb_type
=
svq3_get_ue_golomb
(
&
h
->
gb
);
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_I
)
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_I
)
mb_type
+=
8
;
else
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
&&
mb_type
>=
4
)
else
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
&&
mb_type
>=
4
)
mb_type
+=
4
;
if
(
mb_type
>
33
||
svq3_decode_mb
(
s
,
mb_type
))
{
av_log
(
h
->
avctx
,
AV_LOG_ERROR
,
...
...
@@ -1541,9 +1541,9 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
if
(
mb_type
!=
0
)
hl_decode_mb
(
s
,
h
,
&
h
->
slice_ctx
[
0
]);
if
(
h
->
pict_type
!=
AV_PICTURE_TYPE_B
&&
!
h
->
low_delay
)
if
(
s
->
pict_type
!=
AV_PICTURE_TYPE_B
&&
!
h
->
low_delay
)
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
;
(
s
->
pict_type
==
AV_PICTURE_TYPE_P
&&
mb_type
<
8
)
?
(
mb_type
-
1
)
:
-
1
;
}
ff_draw_horiz_band
(
avctx
,
s
->
cur_pic
->
f
,
...
...
@@ -1552,7 +1552,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
h
->
low_delay
);
}
if
(
h
->
pict_type
==
AV_PICTURE_TYPE_B
||
h
->
low_delay
)
if
(
s
->
pict_type
==
AV_PICTURE_TYPE_B
||
h
->
low_delay
)
ret
=
av_frame_ref
(
data
,
s
->
cur_pic
->
f
);
else
if
(
s
->
last_pic
->
f
->
data
[
0
])
ret
=
av_frame_ref
(
data
,
s
->
last_pic
->
f
);
...
...
@@ -1563,7 +1563,7 @@ static int svq3_decode_frame(AVCodecContext *avctx, void *data,
if
(
s
->
last_pic
->
f
->
data
[
0
]
||
h
->
low_delay
)
*
got_frame
=
1
;
if
(
h
->
pict_type
!=
AV_PICTURE_TYPE_B
)
{
if
(
s
->
pict_type
!=
AV_PICTURE_TYPE_B
)
{
FFSWAP
(
H264Picture
*
,
s
->
cur_pic
,
s
->
next_pic
);
}
else
{
av_frame_unref
(
s
->
cur_pic
->
f
);
...
...
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