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Linshizhi
ffmpeg.wasm-core
Commits
9f02d4ed
Commit
9f02d4ed
authored
Nov 07, 2012
by
Paul B Mahol
Browse files
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mjpegenc: yuvj444p support
Signed-off-by:
Paul B Mahol
<
onemda@gmail.com
>
parent
15876331
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Showing
3 changed files
with
54 additions
and
29 deletions
+54
-29
mjpegenc.c
libavcodec/mjpegenc.c
+9
-1
mpegvideo.h
libavcodec/mpegvideo.h
+2
-2
mpegvideo_enc.c
libavcodec/mpegvideo_enc.c
+43
-26
No files found.
libavcodec/mjpegenc.c
View file @
9f02d4ed
...
...
@@ -463,10 +463,18 @@ void ff_mjpeg_encode_mb(MpegEncContext *s, DCTELEM block[6][64])
}
if
(
s
->
chroma_format
==
CHROMA_420
)
{
encode_block
(
s
,
block
[
5
],
5
);
}
else
if
(
s
->
chroma_format
==
CHROMA_422
)
{
encode_block
(
s
,
block
[
6
],
6
);
encode_block
(
s
,
block
[
5
],
5
);
encode_block
(
s
,
block
[
7
],
7
);
}
else
{
encode_block
(
s
,
block
[
6
],
6
);
encode_block
(
s
,
block
[
8
],
8
);
encode_block
(
s
,
block
[
10
],
10
);
encode_block
(
s
,
block
[
5
],
5
);
encode_block
(
s
,
block
[
7
],
7
);
encode_block
(
s
,
block
[
9
],
9
);
encode_block
(
s
,
block
[
11
],
11
);
}
s
->
i_tex_bits
+=
get_bits_diff
(
s
);
...
...
@@ -505,7 +513,7 @@ AVCodec ff_mjpeg_encoder = {
.
close
=
ff_MPV_encode_end
,
.
capabilities
=
CODEC_CAP_SLICE_THREADS
|
CODEC_CAP_FRAME_THREADS
|
CODEC_CAP_INTRA_ONLY
,
.
pix_fmts
=
(
const
enum
AVPixelFormat
[]){
AV_PIX_FMT_YUVJ420P
,
AV_PIX_FMT_YUVJ422P
,
AV_PIX_FMT_NONE
AV_PIX_FMT_YUVJ420P
,
AV_PIX_FMT_YUVJ422P
,
AV_PIX_FMT_
YUVJ444P
,
AV_PIX_FMT_
NONE
},
.
long_name
=
NULL_IF_CONFIG_SMALL
(
"MJPEG (Motion JPEG)"
),
};
...
...
libavcodec/mpegvideo.h
View file @
9f02d4ed
...
...
@@ -451,7 +451,7 @@ typedef struct MpegEncContext {
uint8_t
*
luma_dc_vlc_length
;
#define UNI_AC_ENC_INDEX(run,level) ((run)*128 + (level))
int
coded_score
[
8
];
int
coded_score
[
12
];
/** precomputed matrix (combine qscale and DCT renorm) */
int
(
*
q_intra_matrix
)[
64
];
...
...
@@ -676,7 +676,7 @@ typedef struct MpegEncContext {
DCTELEM
(
*
pblocks
[
12
])[
64
];
DCTELEM
(
*
block
)[
64
];
///< points to one of the following blocks
DCTELEM
(
*
blocks
)[
8
][
64
];
// for HQ mode we need to keep the best block
DCTELEM
(
*
blocks
)[
12
][
64
];
// for HQ mode we need to keep the best block
int
(
*
decode_mb
)(
struct
MpegEncContext
*
s
,
DCTELEM
block
[
6
][
64
]);
// used by some codecs to avoid a switch()
#define SLICE_OK 0
#define SLICE_ERROR -1
...
...
libavcodec/mpegvideo_enc.c
View file @
9f02d4ed
...
...
@@ -321,8 +321,10 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
case
AV_CODEC_ID_AMV
:
if
(
avctx
->
pix_fmt
!=
AV_PIX_FMT_YUVJ420P
&&
avctx
->
pix_fmt
!=
AV_PIX_FMT_YUVJ422P
&&
avctx
->
pix_fmt
!=
AV_PIX_FMT_YUVJ444P
&&
((
avctx
->
pix_fmt
!=
AV_PIX_FMT_YUV420P
&&
avctx
->
pix_fmt
!=
AV_PIX_FMT_YUV422P
)
||
avctx
->
pix_fmt
!=
AV_PIX_FMT_YUV422P
&&
avctx
->
pix_fmt
!=
AV_PIX_FMT_YUV444P
)
||
avctx
->
strict_std_compliance
>
FF_COMPLIANCE_UNOFFICIAL
))
{
av_log
(
avctx
,
AV_LOG_ERROR
,
"colorspace not supported in jpeg
\n
"
);
return
-
1
;
...
...
@@ -336,6 +338,10 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
}
switch
(
avctx
->
pix_fmt
)
{
case
AV_PIX_FMT_YUVJ444P
:
case
AV_PIX_FMT_YUV444P
:
s
->
chroma_format
=
CHROMA_444
;
break
;
case
AV_PIX_FMT_YUVJ422P
:
case
AV_PIX_FMT_YUV422P
:
s
->
chroma_format
=
CHROMA_422
;
...
...
@@ -1808,15 +1814,17 @@ static void get_visual_weight(int16_t *weight, uint8_t *ptr, int stride)
static
av_always_inline
void
encode_mb_internal
(
MpegEncContext
*
s
,
int
motion_x
,
int
motion_y
,
int
mb_block_height
,
int
mb_block_width
,
int
mb_block_count
)
{
int16_t
weight
[
8
][
64
];
DCTELEM
orig
[
8
][
64
];
int16_t
weight
[
12
][
64
];
DCTELEM
orig
[
12
][
64
];
const
int
mb_x
=
s
->
mb_x
;
const
int
mb_y
=
s
->
mb_y
;
int
i
;
int
skip_dct
[
8
];
int
skip_dct
[
12
];
int
dct_offset
=
s
->
linesize
*
8
;
// default for progressive frames
int
uv_dct_offset
=
s
->
uvlinesize
*
8
;
uint8_t
*
ptr_y
,
*
ptr_cb
,
*
ptr_cr
;
int
wrap_y
,
wrap_c
;
...
...
@@ -1858,20 +1866,20 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
ptr_y
=
s
->
new_picture
.
f
.
data
[
0
]
+
(
mb_y
*
16
*
wrap_y
)
+
mb_x
*
16
;
ptr_cb
=
s
->
new_picture
.
f
.
data
[
1
]
+
(
mb_y
*
mb_block_height
*
wrap_c
)
+
mb_x
*
8
;
(
mb_y
*
mb_block_height
*
wrap_c
)
+
mb_x
*
mb_block_width
;
ptr_cr
=
s
->
new_picture
.
f
.
data
[
2
]
+
(
mb_y
*
mb_block_height
*
wrap_c
)
+
mb_x
*
8
;
(
mb_y
*
mb_block_height
*
wrap_c
)
+
mb_x
*
mb_block_width
;
if
((
mb_x
*
16
+
16
>
s
->
width
||
mb_y
*
16
+
16
>
s
->
height
)
&&
s
->
codec_id
!=
AV_CODEC_ID_AMV
){
uint8_t
*
ebuf
=
s
->
edge_emu_buffer
+
32
;
s
->
dsp
.
emulated_edge_mc
(
ebuf
,
ptr_y
,
wrap_y
,
16
,
16
,
mb_x
*
16
,
mb_y
*
16
,
s
->
width
,
s
->
height
);
ptr_y
=
ebuf
;
s
->
dsp
.
emulated_edge_mc
(
ebuf
+
18
*
wrap_y
,
ptr_cb
,
wrap_c
,
8
,
s
->
dsp
.
emulated_edge_mc
(
ebuf
+
18
*
wrap_y
,
ptr_cb
,
wrap_c
,
mb_block_width
,
mb_block_height
,
mb_x
*
8
,
mb_y
*
8
,
(
s
->
width
+
1
)
>>
1
,
(
s
->
height
+
1
)
>>
1
);
ptr_cb
=
ebuf
+
18
*
wrap_y
;
s
->
dsp
.
emulated_edge_mc
(
ebuf
+
18
*
wrap_y
+
8
,
ptr_cr
,
wrap_c
,
8
,
s
->
dsp
.
emulated_edge_mc
(
ebuf
+
18
*
wrap_y
+
8
,
ptr_cr
,
wrap_c
,
mb_block_width
,
mb_block_height
,
mb_x
*
8
,
mb_y
*
8
,
(
s
->
width
+
1
)
>>
1
,
(
s
->
height
+
1
)
>>
1
);
ptr_cr
=
ebuf
+
18
*
wrap_y
+
8
;
...
...
@@ -1896,8 +1904,10 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
s
->
interlaced_dct
=
1
;
dct_offset
=
wrap_y
;
uv_dct_offset
=
wrap_c
;
wrap_y
<<=
1
;
if
(
s
->
chroma_format
==
CHROMA_422
)
if
(
s
->
chroma_format
==
CHROMA_422
||
s
->
chroma_format
==
CHROMA_444
)
wrap_c
<<=
1
;
}
}
...
...
@@ -1914,11 +1924,16 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
}
else
{
s
->
dsp
.
get_pixels
(
s
->
block
[
4
],
ptr_cb
,
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
5
],
ptr_cr
,
wrap_c
);
if
(
!
s
->
chroma_y_shift
)
{
/* 422 */
s
->
dsp
.
get_pixels
(
s
->
block
[
6
],
ptr_cb
+
(
dct_offset
>>
1
),
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
7
],
ptr_cr
+
(
dct_offset
>>
1
),
wrap_c
);
if
(
!
s
->
chroma_y_shift
&&
s
->
chroma_x_shift
)
{
/* 422 */
s
->
dsp
.
get_pixels
(
s
->
block
[
6
],
ptr_cb
+
uv_dct_offset
,
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
7
],
ptr_cr
+
uv_dct_offset
,
wrap_c
);
}
else
if
(
!
s
->
chroma_y_shift
&&
!
s
->
chroma_x_shift
)
{
/* 444 */
s
->
dsp
.
get_pixels
(
s
->
block
[
6
],
ptr_cb
+
8
,
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
7
],
ptr_cr
+
8
,
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
8
],
ptr_cb
+
uv_dct_offset
,
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
9
],
ptr_cr
+
uv_dct_offset
,
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
10
],
ptr_cb
+
uv_dct_offset
+
8
,
wrap_c
);
s
->
dsp
.
get_pixels
(
s
->
block
[
11
],
ptr_cr
+
uv_dct_offset
+
8
,
wrap_c
);
}
}
}
else
{
...
...
@@ -1977,6 +1992,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
s
->
interlaced_dct
=
1
;
dct_offset
=
wrap_y
;
uv_dct_offset
=
wrap_c
;
wrap_y
<<=
1
;
if
(
s
->
chroma_format
==
CHROMA_422
)
wrap_c
<<=
1
;
...
...
@@ -1998,10 +2014,10 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
s
->
dsp
.
diff_pixels
(
s
->
block
[
4
],
ptr_cb
,
dest_cb
,
wrap_c
);
s
->
dsp
.
diff_pixels
(
s
->
block
[
5
],
ptr_cr
,
dest_cr
,
wrap_c
);
if
(
!
s
->
chroma_y_shift
)
{
/* 422 */
s
->
dsp
.
diff_pixels
(
s
->
block
[
6
],
ptr_cb
+
(
dct_offset
>>
1
)
,
dest_cb
+
(
dct_offset
>>
1
)
,
wrap_c
);
s
->
dsp
.
diff_pixels
(
s
->
block
[
7
],
ptr_cr
+
(
dct_offset
>>
1
)
,
dest_cr
+
(
dct_offset
>>
1
)
,
wrap_c
);
s
->
dsp
.
diff_pixels
(
s
->
block
[
6
],
ptr_cb
+
uv_dct_offset
,
dest_cb
+
uv_dct_offset
,
wrap_c
);
s
->
dsp
.
diff_pixels
(
s
->
block
[
7
],
ptr_cr
+
uv_dct_offset
,
dest_cr
+
uv_dct_offset
,
wrap_c
);
}
}
/* pre quantization */
...
...
@@ -2028,12 +2044,12 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
wrap_c
,
8
)
<
20
*
s
->
qscale
)
skip_dct
[
5
]
=
1
;
if
(
!
s
->
chroma_y_shift
)
{
/* 422 */
if
(
s
->
dsp
.
sad
[
1
](
NULL
,
ptr_cb
+
(
dct_offset
>>
1
)
,
dest_cb
+
(
dct_offset
>>
1
)
,
if
(
s
->
dsp
.
sad
[
1
](
NULL
,
ptr_cb
+
uv_dct_offset
,
dest_cb
+
uv_dct_offset
,
wrap_c
,
8
)
<
20
*
s
->
qscale
)
skip_dct
[
6
]
=
1
;
if
(
s
->
dsp
.
sad
[
1
](
NULL
,
ptr_cr
+
(
dct_offset
>>
1
)
,
dest_cr
+
(
dct_offset
>>
1
)
,
if
(
s
->
dsp
.
sad
[
1
](
NULL
,
ptr_cr
+
uv_dct_offset
,
dest_cr
+
uv_dct_offset
,
wrap_c
,
8
)
<
20
*
s
->
qscale
)
skip_dct
[
7
]
=
1
;
}
...
...
@@ -2055,10 +2071,10 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
get_visual_weight
(
weight
[
5
],
ptr_cr
,
wrap_c
);
if
(
!
s
->
chroma_y_shift
)
{
/* 422 */
if
(
!
skip_dct
[
6
])
get_visual_weight
(
weight
[
6
],
ptr_cb
+
(
dct_offset
>>
1
)
,
get_visual_weight
(
weight
[
6
],
ptr_cb
+
uv_dct_offset
,
wrap_c
);
if
(
!
skip_dct
[
7
])
get_visual_weight
(
weight
[
7
],
ptr_cr
+
(
dct_offset
>>
1
)
,
get_visual_weight
(
weight
[
7
],
ptr_cr
+
uv_dct_offset
,
wrap_c
);
}
memcpy
(
orig
[
0
],
s
->
block
[
0
],
sizeof
(
DCTELEM
)
*
64
*
mb_block_count
);
...
...
@@ -2172,8 +2188,9 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
static
av_always_inline
void
encode_mb
(
MpegEncContext
*
s
,
int
motion_x
,
int
motion_y
)
{
if
(
s
->
chroma_format
==
CHROMA_420
)
encode_mb_internal
(
s
,
motion_x
,
motion_y
,
8
,
6
);
else
encode_mb_internal
(
s
,
motion_x
,
motion_y
,
16
,
8
);
if
(
s
->
chroma_format
==
CHROMA_420
)
encode_mb_internal
(
s
,
motion_x
,
motion_y
,
8
,
8
,
6
);
else
if
(
s
->
chroma_format
==
CHROMA_422
)
encode_mb_internal
(
s
,
motion_x
,
motion_y
,
16
,
8
,
8
);
else
encode_mb_internal
(
s
,
motion_x
,
motion_y
,
16
,
16
,
12
);
}
static
inline
void
copy_context_before_encode
(
MpegEncContext
*
d
,
MpegEncContext
*
s
,
int
type
){
...
...
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