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Linshizhi
ffmpeg.wasm-core
Commits
e1eaaec7
Commit
e1eaaec7
authored
Dec 01, 2013
by
Anton Khirnov
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mjpegenc: remove commented out never-to-be-finished WIP cruft
parent
ff506c75
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mjpegenc.c
libavcodec/mjpegenc.c
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libavcodec/mjpegenc.c
View file @
e1eaaec7
...
@@ -37,11 +37,6 @@
...
@@ -37,11 +37,6 @@
#include "mjpeg.h"
#include "mjpeg.h"
#include "mjpegenc.h"
#include "mjpegenc.h"
/* use two quantizer tables (one for luminance and one for chrominance) */
/* not yet working */
#undef TWOMATRIXES
av_cold
int
ff_mjpeg_encode_init
(
MpegEncContext
*
s
)
av_cold
int
ff_mjpeg_encode_init
(
MpegEncContext
*
s
)
{
{
MJpegContext
*
m
;
MJpegContext
*
m
;
...
@@ -109,25 +104,13 @@ static void jpeg_table_header(MpegEncContext *s)
...
@@ -109,25 +104,13 @@ static void jpeg_table_header(MpegEncContext *s)
/* quant matrixes */
/* quant matrixes */
put_marker
(
p
,
DQT
);
put_marker
(
p
,
DQT
);
#ifdef TWOMATRIXES
put_bits
(
p
,
16
,
2
+
2
*
(
1
+
64
));
#else
put_bits
(
p
,
16
,
2
+
1
*
(
1
+
64
));
put_bits
(
p
,
16
,
2
+
1
*
(
1
+
64
));
#endif
put_bits
(
p
,
4
,
0
);
/* 8 bit precision */
put_bits
(
p
,
4
,
0
);
/* 8 bit precision */
put_bits
(
p
,
4
,
0
);
/* table 0 */
put_bits
(
p
,
4
,
0
);
/* table 0 */
for
(
i
=
0
;
i
<
64
;
i
++
)
{
for
(
i
=
0
;
i
<
64
;
i
++
)
{
j
=
s
->
intra_scantable
.
permutated
[
i
];
j
=
s
->
intra_scantable
.
permutated
[
i
];
put_bits
(
p
,
8
,
s
->
intra_matrix
[
j
]);
put_bits
(
p
,
8
,
s
->
intra_matrix
[
j
]);
}
}
#ifdef TWOMATRIXES
put_bits
(
p
,
4
,
0
);
/* 8 bit precision */
put_bits
(
p
,
4
,
1
);
/* table 1 */
for
(
i
=
0
;
i
<
64
;
i
++
)
{
j
=
s
->
intra_scantable
.
permutated
[
i
];
put_bits
(
p
,
8
,
s
->
chroma_intra_matrix
[
j
]);
}
#endif
/* huffman table */
/* huffman table */
put_marker
(
p
,
DHT
);
put_marker
(
p
,
DHT
);
...
@@ -224,21 +207,13 @@ void ff_mjpeg_encode_picture_header(MpegEncContext *s)
...
@@ -224,21 +207,13 @@ void ff_mjpeg_encode_picture_header(MpegEncContext *s)
put_bits
(
&
s
->
pb
,
8
,
2
);
/* component number */
put_bits
(
&
s
->
pb
,
8
,
2
);
/* component number */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_hsample
[
1
]);
/* H factor */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_hsample
[
1
]);
/* H factor */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_vsample
[
1
]);
/* V factor */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_vsample
[
1
]);
/* V factor */
#ifdef TWOMATRIXES
put_bits
(
&
s
->
pb
,
8
,
lossless
?
0
:
1
);
/* select matrix */
#else
put_bits
(
&
s
->
pb
,
8
,
0
);
/* select matrix */
put_bits
(
&
s
->
pb
,
8
,
0
);
/* select matrix */
#endif
/* Cr component */
/* Cr component */
put_bits
(
&
s
->
pb
,
8
,
3
);
/* component number */
put_bits
(
&
s
->
pb
,
8
,
3
);
/* component number */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_hsample
[
2
]);
/* H factor */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_hsample
[
2
]);
/* H factor */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_vsample
[
2
]);
/* V factor */
put_bits
(
&
s
->
pb
,
4
,
s
->
mjpeg_vsample
[
2
]);
/* V factor */
#ifdef TWOMATRIXES
put_bits
(
&
s
->
pb
,
8
,
lossless
?
0
:
1
);
/* select matrix */
#else
put_bits
(
&
s
->
pb
,
8
,
0
);
/* select matrix */
put_bits
(
&
s
->
pb
,
8
,
0
);
/* select matrix */
#endif
/* scan header */
/* scan header */
put_marker
(
&
s
->
pb
,
SOS
);
put_marker
(
&
s
->
pb
,
SOS
);
...
...
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