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Linshizhi
ffmpeg.wasm-core
Commits
f1e06d37
Commit
f1e06d37
authored
Aug 19, 2012
by
Diego Biurrun
Browse files
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Plain Diff
svq1/svq3: Move common code out of SVQ1 decoder-specific file
parent
43da682c
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
71 additions
and
49 deletions
+71
-49
Makefile
libavcodec/Makefile
+3
-4
svq13.c
libavcodec/svq13.c
+68
-0
svq1dec.c
libavcodec/svq1dec.c
+0
-45
No files found.
libavcodec/Makefile
View file @
f1e06d37
...
@@ -351,14 +351,13 @@ OBJS-$(CONFIG_SP5X_DECODER) += sp5xdec.o mjpegdec.o mjpeg.o
...
@@ -351,14 +351,13 @@ OBJS-$(CONFIG_SP5X_DECODER) += sp5xdec.o mjpegdec.o mjpeg.o
OBJS-$(CONFIG_SRT_DECODER)
+=
srtdec.o
ass.o
OBJS-$(CONFIG_SRT_DECODER)
+=
srtdec.o
ass.o
OBJS-$(CONFIG_SUNRAST_DECODER)
+=
sunrast.o
OBJS-$(CONFIG_SUNRAST_DECODER)
+=
sunrast.o
OBJS-$(CONFIG_SUNRAST_ENCODER)
+=
sunrastenc.o
OBJS-$(CONFIG_SUNRAST_ENCODER)
+=
sunrastenc.o
OBJS-$(CONFIG_SVQ1_DECODER)
+=
svq1dec.o
svq1.o
h263.o
OBJS-$(CONFIG_SVQ1_DECODER)
+=
svq1dec.o
svq1.o
svq13.o
h263.o
OBJS-$(CONFIG_SVQ1_ENCODER)
+=
svq1enc.o
svq1.o
\
OBJS-$(CONFIG_SVQ1_ENCODER)
+=
svq1enc.o
svq1.o
\
h263.o
ituh263enc.o
h263.o
ituh263enc.o
OBJS-$(CONFIG_SVQ3_DECODER)
+=
h264.o
svq3.o
\
OBJS-$(CONFIG_SVQ3_DECODER)
+=
svq3.o
svq13.o
h263.o
h264.o
\
h264_loopfilter.o
h264_direct.o
\
h264_loopfilter.o
h264_direct.o
\
h264_sei.o
h264_ps.o
h264_refs.o
\
h264_sei.o
h264_ps.o
h264_refs.o
\
h264_cavlc.o
h264_cabac.o
cabac.o
\
h264_cavlc.o
h264_cabac.o
cabac.o
svq1dec.o
svq1.o
h263.o
OBJS-$(CONFIG_TARGA_DECODER)
+=
targa.o
OBJS-$(CONFIG_TARGA_DECODER)
+=
targa.o
OBJS-$(CONFIG_TARGA_ENCODER)
+=
targaenc.o
rle.o
OBJS-$(CONFIG_TARGA_ENCODER)
+=
targaenc.o
rle.o
OBJS-$(CONFIG_THEORA_DECODER)
+=
xiph.o
OBJS-$(CONFIG_THEORA_DECODER)
+=
xiph.o
...
...
libavcodec/svq13.c
0 → 100644
View file @
f1e06d37
/*
* SVQ1/SVQ3 decoder common code
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "svq1.h"
static
const
uint16_t
checksum_table
[
256
]
=
{
0x0000
,
0x1021
,
0x2042
,
0x3063
,
0x4084
,
0x50A5
,
0x60C6
,
0x70E7
,
0x8108
,
0x9129
,
0xA14A
,
0xB16B
,
0xC18C
,
0xD1AD
,
0xE1CE
,
0xF1EF
,
0x1231
,
0x0210
,
0x3273
,
0x2252
,
0x52B5
,
0x4294
,
0x72F7
,
0x62D6
,
0x9339
,
0x8318
,
0xB37B
,
0xA35A
,
0xD3BD
,
0xC39C
,
0xF3FF
,
0xE3DE
,
0x2462
,
0x3443
,
0x0420
,
0x1401
,
0x64E6
,
0x74C7
,
0x44A4
,
0x5485
,
0xA56A
,
0xB54B
,
0x8528
,
0x9509
,
0xE5EE
,
0xF5CF
,
0xC5AC
,
0xD58D
,
0x3653
,
0x2672
,
0x1611
,
0x0630
,
0x76D7
,
0x66F6
,
0x5695
,
0x46B4
,
0xB75B
,
0xA77A
,
0x9719
,
0x8738
,
0xF7DF
,
0xE7FE
,
0xD79D
,
0xC7BC
,
0x48C4
,
0x58E5
,
0x6886
,
0x78A7
,
0x0840
,
0x1861
,
0x2802
,
0x3823
,
0xC9CC
,
0xD9ED
,
0xE98E
,
0xF9AF
,
0x8948
,
0x9969
,
0xA90A
,
0xB92B
,
0x5AF5
,
0x4AD4
,
0x7AB7
,
0x6A96
,
0x1A71
,
0x0A50
,
0x3A33
,
0x2A12
,
0xDBFD
,
0xCBDC
,
0xFBBF
,
0xEB9E
,
0x9B79
,
0x8B58
,
0xBB3B
,
0xAB1A
,
0x6CA6
,
0x7C87
,
0x4CE4
,
0x5CC5
,
0x2C22
,
0x3C03
,
0x0C60
,
0x1C41
,
0xEDAE
,
0xFD8F
,
0xCDEC
,
0xDDCD
,
0xAD2A
,
0xBD0B
,
0x8D68
,
0x9D49
,
0x7E97
,
0x6EB6
,
0x5ED5
,
0x4EF4
,
0x3E13
,
0x2E32
,
0x1E51
,
0x0E70
,
0xFF9F
,
0xEFBE
,
0xDFDD
,
0xCFFC
,
0xBF1B
,
0xAF3A
,
0x9F59
,
0x8F78
,
0x9188
,
0x81A9
,
0xB1CA
,
0xA1EB
,
0xD10C
,
0xC12D
,
0xF14E
,
0xE16F
,
0x1080
,
0x00A1
,
0x30C2
,
0x20E3
,
0x5004
,
0x4025
,
0x7046
,
0x6067
,
0x83B9
,
0x9398
,
0xA3FB
,
0xB3DA
,
0xC33D
,
0xD31C
,
0xE37F
,
0xF35E
,
0x02B1
,
0x1290
,
0x22F3
,
0x32D2
,
0x4235
,
0x5214
,
0x6277
,
0x7256
,
0xB5EA
,
0xA5CB
,
0x95A8
,
0x8589
,
0xF56E
,
0xE54F
,
0xD52C
,
0xC50D
,
0x34E2
,
0x24C3
,
0x14A0
,
0x0481
,
0x7466
,
0x6447
,
0x5424
,
0x4405
,
0xA7DB
,
0xB7FA
,
0x8799
,
0x97B8
,
0xE75F
,
0xF77E
,
0xC71D
,
0xD73C
,
0x26D3
,
0x36F2
,
0x0691
,
0x16B0
,
0x6657
,
0x7676
,
0x4615
,
0x5634
,
0xD94C
,
0xC96D
,
0xF90E
,
0xE92F
,
0x99C8
,
0x89E9
,
0xB98A
,
0xA9AB
,
0x5844
,
0x4865
,
0x7806
,
0x6827
,
0x18C0
,
0x08E1
,
0x3882
,
0x28A3
,
0xCB7D
,
0xDB5C
,
0xEB3F
,
0xFB1E
,
0x8BF9
,
0x9BD8
,
0xABBB
,
0xBB9A
,
0x4A75
,
0x5A54
,
0x6A37
,
0x7A16
,
0x0AF1
,
0x1AD0
,
0x2AB3
,
0x3A92
,
0xFD2E
,
0xED0F
,
0xDD6C
,
0xCD4D
,
0xBDAA
,
0xAD8B
,
0x9DE8
,
0x8DC9
,
0x7C26
,
0x6C07
,
0x5C64
,
0x4C45
,
0x3CA2
,
0x2C83
,
0x1CE0
,
0x0CC1
,
0xEF1F
,
0xFF3E
,
0xCF5D
,
0xDF7C
,
0xAF9B
,
0xBFBA
,
0x8FD9
,
0x9FF8
,
0x6E17
,
0x7E36
,
0x4E55
,
0x5E74
,
0x2E93
,
0x3EB2
,
0x0ED1
,
0x1EF0
};
uint16_t
ff_svq1_packet_checksum
(
const
uint8_t
*
data
,
const
int
length
,
int
value
)
{
int
i
;
for
(
i
=
0
;
i
<
length
;
i
++
)
{
value
=
checksum_table
[
data
[
i
]
^
(
value
>>
8
)]
^
((
value
&
0xFF
)
<<
8
);
}
return
value
;
}
libavcodec/svq1dec.c
View file @
f1e06d37
...
@@ -58,41 +58,6 @@ typedef struct svq1_pmv_s {
...
@@ -58,41 +58,6 @@ typedef struct svq1_pmv_s {
int
y
;
int
y
;
}
svq1_pmv
;
}
svq1_pmv
;
static
const
uint16_t
checksum_table
[
256
]
=
{
0x0000
,
0x1021
,
0x2042
,
0x3063
,
0x4084
,
0x50A5
,
0x60C6
,
0x70E7
,
0x8108
,
0x9129
,
0xA14A
,
0xB16B
,
0xC18C
,
0xD1AD
,
0xE1CE
,
0xF1EF
,
0x1231
,
0x0210
,
0x3273
,
0x2252
,
0x52B5
,
0x4294
,
0x72F7
,
0x62D6
,
0x9339
,
0x8318
,
0xB37B
,
0xA35A
,
0xD3BD
,
0xC39C
,
0xF3FF
,
0xE3DE
,
0x2462
,
0x3443
,
0x0420
,
0x1401
,
0x64E6
,
0x74C7
,
0x44A4
,
0x5485
,
0xA56A
,
0xB54B
,
0x8528
,
0x9509
,
0xE5EE
,
0xF5CF
,
0xC5AC
,
0xD58D
,
0x3653
,
0x2672
,
0x1611
,
0x0630
,
0x76D7
,
0x66F6
,
0x5695
,
0x46B4
,
0xB75B
,
0xA77A
,
0x9719
,
0x8738
,
0xF7DF
,
0xE7FE
,
0xD79D
,
0xC7BC
,
0x48C4
,
0x58E5
,
0x6886
,
0x78A7
,
0x0840
,
0x1861
,
0x2802
,
0x3823
,
0xC9CC
,
0xD9ED
,
0xE98E
,
0xF9AF
,
0x8948
,
0x9969
,
0xA90A
,
0xB92B
,
0x5AF5
,
0x4AD4
,
0x7AB7
,
0x6A96
,
0x1A71
,
0x0A50
,
0x3A33
,
0x2A12
,
0xDBFD
,
0xCBDC
,
0xFBBF
,
0xEB9E
,
0x9B79
,
0x8B58
,
0xBB3B
,
0xAB1A
,
0x6CA6
,
0x7C87
,
0x4CE4
,
0x5CC5
,
0x2C22
,
0x3C03
,
0x0C60
,
0x1C41
,
0xEDAE
,
0xFD8F
,
0xCDEC
,
0xDDCD
,
0xAD2A
,
0xBD0B
,
0x8D68
,
0x9D49
,
0x7E97
,
0x6EB6
,
0x5ED5
,
0x4EF4
,
0x3E13
,
0x2E32
,
0x1E51
,
0x0E70
,
0xFF9F
,
0xEFBE
,
0xDFDD
,
0xCFFC
,
0xBF1B
,
0xAF3A
,
0x9F59
,
0x8F78
,
0x9188
,
0x81A9
,
0xB1CA
,
0xA1EB
,
0xD10C
,
0xC12D
,
0xF14E
,
0xE16F
,
0x1080
,
0x00A1
,
0x30C2
,
0x20E3
,
0x5004
,
0x4025
,
0x7046
,
0x6067
,
0x83B9
,
0x9398
,
0xA3FB
,
0xB3DA
,
0xC33D
,
0xD31C
,
0xE37F
,
0xF35E
,
0x02B1
,
0x1290
,
0x22F3
,
0x32D2
,
0x4235
,
0x5214
,
0x6277
,
0x7256
,
0xB5EA
,
0xA5CB
,
0x95A8
,
0x8589
,
0xF56E
,
0xE54F
,
0xD52C
,
0xC50D
,
0x34E2
,
0x24C3
,
0x14A0
,
0x0481
,
0x7466
,
0x6447
,
0x5424
,
0x4405
,
0xA7DB
,
0xB7FA
,
0x8799
,
0x97B8
,
0xE75F
,
0xF77E
,
0xC71D
,
0xD73C
,
0x26D3
,
0x36F2
,
0x0691
,
0x16B0
,
0x6657
,
0x7676
,
0x4615
,
0x5634
,
0xD94C
,
0xC96D
,
0xF90E
,
0xE92F
,
0x99C8
,
0x89E9
,
0xB98A
,
0xA9AB
,
0x5844
,
0x4865
,
0x7806
,
0x6827
,
0x18C0
,
0x08E1
,
0x3882
,
0x28A3
,
0xCB7D
,
0xDB5C
,
0xEB3F
,
0xFB1E
,
0x8BF9
,
0x9BD8
,
0xABBB
,
0xBB9A
,
0x4A75
,
0x5A54
,
0x6A37
,
0x7A16
,
0x0AF1
,
0x1AD0
,
0x2AB3
,
0x3A92
,
0xFD2E
,
0xED0F
,
0xDD6C
,
0xCD4D
,
0xBDAA
,
0xAD8B
,
0x9DE8
,
0x8DC9
,
0x7C26
,
0x6C07
,
0x5C64
,
0x4C45
,
0x3CA2
,
0x2C83
,
0x1CE0
,
0x0CC1
,
0xEF1F
,
0xFF3E
,
0xCF5D
,
0xDF7C
,
0xAF9B
,
0xBFBA
,
0x8FD9
,
0x9FF8
,
0x6E17
,
0x7E36
,
0x4E55
,
0x5E74
,
0x2E93
,
0x3EB2
,
0x0ED1
,
0x1EF0
};
static
const
uint8_t
string_table
[
256
]
=
{
static
const
uint8_t
string_table
[
256
]
=
{
0x00
,
0xD5
,
0x7F
,
0xAA
,
0xFE
,
0x2B
,
0x81
,
0x54
,
0x00
,
0xD5
,
0x7F
,
0xAA
,
0xFE
,
0x2B
,
0x81
,
0x54
,
0x29
,
0xFC
,
0x56
,
0x83
,
0xD7
,
0x02
,
0xA8
,
0x7D
,
0x29
,
0xFC
,
0x56
,
0x83
,
0xD7
,
0x02
,
0xA8
,
0x7D
,
...
@@ -524,16 +489,6 @@ static int svq1_decode_delta_block (MpegEncContext *s, GetBitContext *bitbuf,
...
@@ -524,16 +489,6 @@ static int svq1_decode_delta_block (MpegEncContext *s, GetBitContext *bitbuf,
return
result
;
return
result
;
}
}
uint16_t
ff_svq1_packet_checksum
(
const
uint8_t
*
data
,
const
int
length
,
int
value
)
{
int
i
;
for
(
i
=
0
;
i
<
length
;
i
++
)
{
value
=
checksum_table
[
data
[
i
]
^
(
value
>>
8
)]
^
((
value
&
0xFF
)
<<
8
);
}
return
value
;
}
static
void
svq1_parse_string
(
GetBitContext
*
bitbuf
,
uint8_t
*
out
)
{
static
void
svq1_parse_string
(
GetBitContext
*
bitbuf
,
uint8_t
*
out
)
{
uint8_t
seed
;
uint8_t
seed
;
int
i
;
int
i
;
...
...
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