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Linshizhi
ffmpeg.wasm-core
Commits
f83c5773
Commit
f83c5773
authored
Apr 24, 2009
by
Michael Niedermayer
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indent
Originally committed as revision 18679 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
4eac2e89
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Side-by-side
Showing
1 changed file
with
38 additions
and
38 deletions
+38
-38
ffv1.c
libavcodec/ffv1.c
+38
-38
No files found.
libavcodec/ffv1.c
View file @
f83c5773
...
...
@@ -264,17 +264,17 @@ static inline void put_symbol_inline(RangeCoder *c, uint8_t *state, int v, int i
const
int
e
=
av_log2
(
a
);
put_rac
(
c
,
state
+
0
,
0
);
if
(
e
<=
9
){
for
(
i
=
0
;
i
<
e
;
i
++
){
put_rac
(
c
,
state
+
1
+
i
,
1
);
//1..10
}
put_rac
(
c
,
state
+
1
+
i
,
0
);
for
(
i
=
0
;
i
<
e
;
i
++
){
put_rac
(
c
,
state
+
1
+
i
,
1
);
//1..10
}
put_rac
(
c
,
state
+
1
+
i
,
0
);
for
(
i
=
e
-
1
;
i
>=
0
;
i
--
){
put_rac
(
c
,
state
+
22
+
i
,
(
a
>>
i
)
&
1
);
//22..31
}
for
(
i
=
e
-
1
;
i
>=
0
;
i
--
){
put_rac
(
c
,
state
+
22
+
i
,
(
a
>>
i
)
&
1
);
//22..31
}
if
(
is_signed
)
put_rac
(
c
,
state
+
11
+
e
,
v
<
0
);
//11..21
if
(
is_signed
)
put_rac
(
c
,
state
+
11
+
e
,
v
<
0
);
//11..21
}
else
{
for
(
i
=
0
;
i
<
e
;
i
++
){
put_rac
(
c
,
state
+
1
+
FFMIN
(
i
,
9
),
1
);
//1..10
...
...
@@ -502,10 +502,10 @@ static void encode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride,
sample
[
1
][
w
]
=
sample
[
1
][
w
-
1
];
//{START_TIMER
if
(
s
->
avctx
->
bits_per_raw_sample
<=
8
){
for
(
x
=
0
;
x
<
w
;
x
++
){
sample
[
0
][
x
]
=
src
[
x
+
stride
*
y
];
}
encode_line
(
s
,
w
,
sample
,
plane_index
,
8
);
for
(
x
=
0
;
x
<
w
;
x
++
){
sample
[
0
][
x
]
=
src
[
x
+
stride
*
y
];
}
encode_line
(
s
,
w
,
sample
,
plane_index
,
8
);
}
else
{
for
(
x
=
0
;
x
<
w
;
x
++
){
sample
[
0
][
x
]
=
((
uint16_t
*
)(
src
+
stride
*
y
))[
x
]
>>
(
16
-
s
->
avctx
->
bits_per_raw_sample
);
...
...
@@ -622,17 +622,17 @@ static av_cold int encode_init(AVCodecContext *avctx)
s
->
plane_count
=
2
;
for
(
i
=
0
;
i
<
256
;
i
++
){
if
(
avctx
->
bits_per_raw_sample
<=
8
){
s
->
quant_table
[
0
][
i
]
=
quant11
[
i
];
s
->
quant_table
[
1
][
i
]
=
11
*
quant11
[
i
];
if
(
avctx
->
context_model
==
0
){
s
->
quant_table
[
2
][
i
]
=
11
*
11
*
quant11
[
i
];
s
->
quant_table
[
3
][
i
]
=
s
->
quant_table
[
4
][
i
]
=
0
;
}
else
{
s
->
quant_table
[
2
][
i
]
=
11
*
11
*
quant5
[
i
];
s
->
quant_table
[
3
][
i
]
=
5
*
11
*
11
*
quant5
[
i
];
s
->
quant_table
[
4
][
i
]
=
5
*
5
*
11
*
11
*
quant5
[
i
];
}
s
->
quant_table
[
0
][
i
]
=
quant11
[
i
];
s
->
quant_table
[
1
][
i
]
=
11
*
quant11
[
i
];
if
(
avctx
->
context_model
==
0
){
s
->
quant_table
[
2
][
i
]
=
11
*
11
*
quant11
[
i
];
s
->
quant_table
[
3
][
i
]
=
s
->
quant_table
[
4
][
i
]
=
0
;
}
else
{
s
->
quant_table
[
2
][
i
]
=
11
*
11
*
quant5
[
i
];
s
->
quant_table
[
3
][
i
]
=
5
*
11
*
11
*
quant5
[
i
];
s
->
quant_table
[
4
][
i
]
=
5
*
5
*
11
*
11
*
quant5
[
i
];
}
}
else
{
s
->
quant_table
[
0
][
i
]
=
quant9_10bit
[
i
];
s
->
quant_table
[
1
][
i
]
=
11
*
quant9_10bit
[
i
];
...
...
@@ -875,10 +875,10 @@ static void decode_plane(FFV1Context *s, uint8_t *src, int w, int h, int stride,
//{START_TIMER
if
(
s
->
avctx
->
bits_per_raw_sample
<=
8
){
decode_line
(
s
,
w
,
sample
,
plane_index
,
8
);
for
(
x
=
0
;
x
<
w
;
x
++
){
src
[
x
+
stride
*
y
]
=
sample
[
1
][
x
];
}
decode_line
(
s
,
w
,
sample
,
plane_index
,
8
);
for
(
x
=
0
;
x
<
w
;
x
++
){
src
[
x
+
stride
*
y
]
=
sample
[
1
][
x
];
}
}
else
{
decode_line
(
s
,
w
,
sample
,
plane_index
,
s
->
avctx
->
bits_per_raw_sample
);
for
(
x
=
0
;
x
<
w
;
x
++
){
...
...
@@ -980,16 +980,16 @@ static int read_header(FFV1Context *f){
if
(
f
->
colorspace
==
0
){
if
(
f
->
avctx
->
bits_per_raw_sample
<=
8
){
switch
(
16
*
f
->
chroma_h_shift
+
f
->
chroma_v_shift
){
case
0x00
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV444P
;
break
;
case
0x10
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV422P
;
break
;
case
0x11
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV420P
;
break
;
case
0x20
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV411P
;
break
;
case
0x22
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV410P
;
break
;
default
:
av_log
(
f
->
avctx
,
AV_LOG_ERROR
,
"format not supported
\n
"
);
return
-
1
;
}
switch
(
16
*
f
->
chroma_h_shift
+
f
->
chroma_v_shift
){
case
0x00
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV444P
;
break
;
case
0x10
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV422P
;
break
;
case
0x11
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV420P
;
break
;
case
0x20
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV411P
;
break
;
case
0x22
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV410P
;
break
;
default
:
av_log
(
f
->
avctx
,
AV_LOG_ERROR
,
"format not supported
\n
"
);
return
-
1
;
}
}
else
{
switch
(
16
*
f
->
chroma_h_shift
+
f
->
chroma_v_shift
){
case
0x00
:
f
->
avctx
->
pix_fmt
=
PIX_FMT_YUV444P16
;
break
;
...
...
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