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Linshizhi
ffmpeg.wasm-core
Commits
0a7068fa
Commit
0a7068fa
authored
Oct 06, 2012
by
Anton Khirnov
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sws: do not use av_pix_fmt_descriptors directly.
parent
b7f1010c
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Showing
6 changed files
with
136 additions
and
76 deletions
+136
-76
output.c
libswscale/output.c
+2
-1
swscale-test.c
libswscale/swscale-test.c
+16
-11
swscale.c
libswscale/swscale.c
+4
-2
swscale_internal.h
libswscale/swscale_internal.h
+86
-44
swscale_unscaled.c
libswscale/swscale_unscaled.c
+12
-8
utils.c
libswscale/utils.c
+16
-10
No files found.
libswscale/output.c
View file @
0a7068fa
...
...
@@ -1270,12 +1270,13 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
yuv2packedX_fn
*
yuv2packedX
)
{
enum
AVPixelFormat
dstFormat
=
c
->
dstFormat
;
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
dstFormat
);
if
(
is16BPS
(
dstFormat
))
{
*
yuv2planeX
=
isBE
(
dstFormat
)
?
yuv2planeX_16BE_c
:
yuv2planeX_16LE_c
;
*
yuv2plane1
=
isBE
(
dstFormat
)
?
yuv2plane1_16BE_c
:
yuv2plane1_16LE_c
;
}
else
if
(
is9_OR_10BPS
(
dstFormat
))
{
if
(
av_pix_fmt_descriptors
[
dstFormat
].
comp
[
0
].
depth_minus1
==
8
)
{
if
(
desc
->
comp
[
0
].
depth_minus1
==
8
)
{
*
yuv2planeX
=
isBE
(
dstFormat
)
?
yuv2planeX_9BE_c
:
yuv2planeX_9LE_c
;
*
yuv2plane1
=
isBE
(
dstFormat
)
?
yuv2plane1_9BE_c
:
yuv2plane1_9LE_c
;
}
else
{
...
...
libswscale/swscale-test.c
View file @
0a7068fa
...
...
@@ -81,6 +81,9 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
int
srcW
,
int
srcH
,
int
dstW
,
int
dstH
,
int
flags
,
struct
Results
*
r
)
{
const
AVPixFmtDescriptor
*
desc_yuva420p
=
av_pix_fmt_desc_get
(
AV_PIX_FMT_YUVA420P
);
const
AVPixFmtDescriptor
*
desc_src
=
av_pix_fmt_desc_get
(
srcFormat
);
const
AVPixFmtDescriptor
*
desc_dst
=
av_pix_fmt_desc_get
(
dstFormat
);
static
enum
AVPixelFormat
cur_srcFormat
;
static
int
cur_srcW
,
cur_srcH
;
static
uint8_t
*
src
[
4
];
...
...
@@ -115,8 +118,8 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
srcFormat
,
SWS_BILINEAR
,
NULL
,
NULL
,
NULL
);
if
(
!
srcContext
)
{
fprintf
(
stderr
,
"Failed to get %s ---> %s
\n
"
,
av_pix_fmt_descriptors
[
AV_PIX_FMT_YUVA420P
].
name
,
av_pix_fmt_descriptors
[
srcFormat
].
name
);
desc_yuva420p
->
name
,
desc_src
->
name
);
res
=
-
1
;
goto
end
;
}
...
...
@@ -150,15 +153,14 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
flags
,
NULL
,
NULL
,
NULL
);
if
(
!
dstContext
)
{
fprintf
(
stderr
,
"Failed to get %s ---> %s
\n
"
,
av_pix_fmt_descriptors
[
srcFormat
].
name
,
av_pix_fmt_descriptors
[
dstFormat
].
name
);
desc_src
->
name
,
desc_dst
->
name
);
res
=
-
1
;
goto
end
;
}
printf
(
" %s %dx%d -> %s %3dx%3d flags=%2d"
,
av_pix_fmt_descriptors
[
srcFormat
].
name
,
srcW
,
srcH
,
av_pix_fmt_descriptors
[
dstFormat
].
name
,
dstW
,
dstH
,
desc_src
->
name
,
srcW
,
srcH
,
desc_dst
->
name
,
dstW
,
dstH
,
flags
);
fflush
(
stdout
);
...
...
@@ -188,8 +190,8 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
NULL
,
NULL
,
NULL
);
if
(
!
outContext
)
{
fprintf
(
stderr
,
"Failed to get %s ---> %s
\n
"
,
av_pix_fmt_descriptors
[
dstFormat
].
name
,
av_pix_fmt_descriptors
[
AV_PIX_FMT_YUVA420P
].
name
);
desc_dst
->
name
,
desc_yuva420p
->
name
);
res
=
-
1
;
goto
end
;
}
...
...
@@ -242,6 +244,7 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h,
const
int
dstW
[]
=
{
srcW
-
srcW
/
3
,
srcW
,
srcW
+
srcW
/
3
,
0
};
const
int
dstH
[]
=
{
srcH
-
srcH
/
3
,
srcH
,
srcH
+
srcH
/
3
,
0
};
enum
AVPixelFormat
srcFormat
,
dstFormat
;
const
AVPixFmtDescriptor
*
desc_src
,
*
desc_dst
;
for
(
srcFormat
=
srcFormat_in
!=
AV_PIX_FMT_NONE
?
srcFormat_in
:
0
;
srcFormat
<
AV_PIX_FMT_NB
;
srcFormat
++
)
{
...
...
@@ -249,6 +252,8 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h,
!
sws_isSupportedOutput
(
srcFormat
))
continue
;
desc_src
=
av_pix_fmt_desc_get
(
srcFormat
);
for
(
dstFormat
=
dstFormat_in
!=
AV_PIX_FMT_NONE
?
dstFormat_in
:
0
;
dstFormat
<
AV_PIX_FMT_NB
;
dstFormat
++
)
{
int
i
,
j
,
k
;
...
...
@@ -258,9 +263,9 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h,
!
sws_isSupportedOutput
(
dstFormat
))
continue
;
printf
(
"%s -> %s
\n
"
,
av_pix_fmt_descriptors
[
srcFormat
].
name
,
av_pix_fmt_descriptors
[
dstFormat
].
name
);
desc_dst
=
av_pix_fmt_desc_get
(
dstFormat
);
printf
(
"%s -> %s
\n
"
,
desc_src
->
name
,
desc_dst
->
name
);
fflush
(
stdout
);
for
(
k
=
0
;
flags
[
k
]
&&
!
res
;
k
++
)
...
...
libswscale/swscale.c
View file @
0a7068fa
...
...
@@ -65,10 +65,11 @@ static void hScale16To19_c(SwsContext *c, int16_t *_dst, int dstW,
const
uint8_t
*
_src
,
const
int16_t
*
filter
,
const
int32_t
*
filterPos
,
int
filterSize
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
c
->
srcFormat
);
int
i
;
int32_t
*
dst
=
(
int32_t
*
)
_dst
;
const
uint16_t
*
src
=
(
const
uint16_t
*
)
_src
;
int
bits
=
av_pix_fmt_descriptors
[
c
->
srcFormat
].
comp
[
0
].
depth_minus1
;
int
bits
=
desc
->
comp
[
0
].
depth_minus1
;
int
sh
=
bits
-
4
;
for
(
i
=
0
;
i
<
dstW
;
i
++
)
{
...
...
@@ -88,9 +89,10 @@ static void hScale16To15_c(SwsContext *c, int16_t *dst, int dstW,
const
uint8_t
*
_src
,
const
int16_t
*
filter
,
const
int32_t
*
filterPos
,
int
filterSize
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
c
->
srcFormat
);
int
i
;
const
uint16_t
*
src
=
(
const
uint16_t
*
)
_src
;
int
sh
=
av_pix_fmt_descriptors
[
c
->
srcFormat
].
comp
[
0
].
depth_minus1
;
int
sh
=
desc
->
comp
[
0
].
depth_minus1
;
for
(
i
=
0
;
i
<
dstW
;
i
++
)
{
int
j
;
...
...
libswscale/swscale_internal.h
View file @
0a7068fa
...
...
@@ -27,6 +27,7 @@
#include <altivec.h>
#endif
#include "libavutil/avassert.h"
#include "libavutil/avutil.h"
#include "libavutil/common.h"
#include "libavutil/log.h"
...
...
@@ -542,26 +543,47 @@ void ff_bfin_get_unscaled_swscale(SwsContext *c);
const
char
*
sws_format_name
(
enum
AVPixelFormat
format
);
#define is16BPS(x) \
(av_pix_fmt_descriptors[x].comp[0].depth_minus1 == 15)
#define is9_OR_10BPS(x) \
(av_pix_fmt_descriptors[x].comp[0].depth_minus1 == 8 || \
av_pix_fmt_descriptors[x].comp[0].depth_minus1 == 9)
#define isBE(x) \
(av_pix_fmt_descriptors[x].flags & PIX_FMT_BE)
#define isYUV(x) \
(!(av_pix_fmt_descriptors[x].flags & PIX_FMT_RGB) && \
av_pix_fmt_descriptors[x].nb_components >= 2)
#define isPlanarYUV(x) \
((av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR) && \
isYUV(x))
#define isRGB(x) \
(av_pix_fmt_descriptors[x].flags & PIX_FMT_RGB)
static
av_always_inline
int
is16BPS
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
desc
->
comp
[
0
].
depth_minus1
==
15
;
}
static
av_always_inline
int
is9_OR_10BPS
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
desc
->
comp
[
0
].
depth_minus1
==
8
||
desc
->
comp
[
0
].
depth_minus1
==
9
;
}
static
av_always_inline
int
isBE
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
desc
->
flags
&
PIX_FMT_BE
;
}
static
av_always_inline
int
isYUV
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
!
(
desc
->
flags
&
PIX_FMT_RGB
)
&&
desc
->
nb_components
>=
2
;
}
static
av_always_inline
int
isPlanarYUV
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
((
desc
->
flags
&
PIX_FMT_PLANAR
)
&&
isYUV
(
pix_fmt
));
}
static
av_always_inline
int
isRGB
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
(
desc
->
flags
&
PIX_FMT_RGB
);
}
#if 0 // FIXME
#define isGray(x) \
...
...
@@ -615,30 +637,50 @@ const char *sws_format_name(enum AVPixelFormat format);
(isRGBinInt(x) || \
isBGRinInt(x))
#define isALPHA(x) \
(av_pix_fmt_descriptors[x].nb_components == 2 || \
av_pix_fmt_descriptors[x].nb_components == 4)
#define isPacked(x) \
((av_pix_fmt_descriptors[x].nb_components >= 2 && \
!(av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR)) || \
(x) == AV_PIX_FMT_PAL8)
#define isPlanar(x) \
(av_pix_fmt_descriptors[x].nb_components >= 2 && \
(av_pix_fmt_descriptors[x].flags & PIX_FMT_PLANAR))
#define isPackedRGB(x) \
((av_pix_fmt_descriptors[x].flags & \
(PIX_FMT_PLANAR | PIX_FMT_RGB)) == PIX_FMT_RGB)
#define isPlanarRGB(x) \
((av_pix_fmt_descriptors[x].flags & \
(PIX_FMT_PLANAR | PIX_FMT_RGB)) == (PIX_FMT_PLANAR | PIX_FMT_RGB))
#define usePal(x) ((av_pix_fmt_descriptors[x].flags & PIX_FMT_PAL) || \
(av_pix_fmt_descriptors[x].flags & PIX_FMT_PSEUDOPAL) || \
(x) == AV_PIX_FMT_Y400A)
static
av_always_inline
int
isALPHA
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
desc
->
nb_components
==
2
||
desc
->
nb_components
==
4
;
}
static
av_always_inline
int
isPacked
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
((
desc
->
nb_components
>=
2
&&
!
(
desc
->
flags
&
PIX_FMT_PLANAR
))
||
pix_fmt
==
AV_PIX_FMT_PAL8
);
}
static
av_always_inline
int
isPlanar
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
(
desc
->
nb_components
>=
2
&&
(
desc
->
flags
&
PIX_FMT_PLANAR
));
}
static
av_always_inline
int
isPackedRGB
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
((
desc
->
flags
&
(
PIX_FMT_PLANAR
|
PIX_FMT_RGB
))
==
PIX_FMT_RGB
);
}
static
av_always_inline
int
isPlanarRGB
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
((
desc
->
flags
&
(
PIX_FMT_PLANAR
|
PIX_FMT_RGB
))
==
(
PIX_FMT_PLANAR
|
PIX_FMT_RGB
));
}
static
av_always_inline
int
usePal
(
enum
AVPixelFormat
pix_fmt
)
{
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
);
av_assert0
(
desc
);
return
((
desc
->
flags
&
PIX_FMT_PAL
)
||
(
desc
->
flags
&
PIX_FMT_PSEUDOPAL
)
||
pix_fmt
==
AV_PIX_FMT_Y400A
);
}
extern
const
uint64_t
ff_dither4
[
2
];
extern
const
uint64_t
ff_dither8
[
2
];
...
...
libswscale/swscale_unscaled.c
View file @
0a7068fa
...
...
@@ -462,13 +462,15 @@ static rgbConvFn findRgbConvFn(SwsContext *c)
const
int
srcId
=
c
->
srcFormatBpp
;
const
int
dstId
=
c
->
dstFormatBpp
;
rgbConvFn
conv
=
NULL
;
const
AVPixFmtDescriptor
*
desc_src
=
av_pix_fmt_desc_get
(
srcFormat
);
const
AVPixFmtDescriptor
*
desc_dst
=
av_pix_fmt_desc_get
(
dstFormat
);
#define IS_NOT_NE(bpp,
fmt
) \
#define IS_NOT_NE(bpp,
desc
) \
(((bpp + 7) >> 3) == 2 && \
(!(
av_pix_fmt_descriptors[fmt].
flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))
(!(
desc->
flags & PIX_FMT_BE) != !HAVE_BIGENDIAN))
/* if this is non-native rgb444/555/565, don't handle it here. */
if
(
IS_NOT_NE
(
srcId
,
srcFormat
)
||
IS_NOT_NE
(
dstId
,
dstForma
t
))
if
(
IS_NOT_NE
(
srcId
,
desc_src
)
||
IS_NOT_NE
(
dstId
,
desc_ds
t
))
return
NULL
;
#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
...
...
@@ -659,6 +661,8 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
int
srcStride
[],
int
srcSliceY
,
int
srcSliceH
,
uint8_t
*
dst
[],
int
dstStride
[])
{
const
AVPixFmtDescriptor
*
desc_src
=
av_pix_fmt_desc_get
(
c
->
srcFormat
);
const
AVPixFmtDescriptor
*
desc_dst
=
av_pix_fmt_desc_get
(
c
->
dstFormat
);
int
plane
,
i
,
j
;
for
(
plane
=
0
;
plane
<
4
;
plane
++
)
{
int
length
=
(
plane
==
0
||
plane
==
3
)
?
c
->
srcW
:
-
((
-
c
->
srcW
)
>>
c
->
chrDstHSubSample
);
...
...
@@ -678,8 +682,8 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
(
plane
==
3
)
?
255
:
128
);
}
else
{
if
(
is9_OR_10BPS
(
c
->
srcFormat
))
{
const
int
src_depth
=
av_pix_fmt_descriptors
[
c
->
srcFormat
].
comp
[
plane
].
depth_minus1
+
1
;
const
int
dst_depth
=
av_pix_fmt_descriptors
[
c
->
dstFormat
].
comp
[
plane
].
depth_minus1
+
1
;
const
int
src_depth
=
desc_src
->
comp
[
plane
].
depth_minus1
+
1
;
const
int
dst_depth
=
desc_dst
->
comp
[
plane
].
depth_minus1
+
1
;
const
uint16_t
*
srcPtr2
=
(
const
uint16_t
*
)
srcPtr
;
if
(
is16BPS
(
c
->
dstFormat
))
{
...
...
@@ -759,7 +763,7 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
}
}
}
else
if
(
is9_OR_10BPS
(
c
->
dstFormat
))
{
const
int
dst_depth
=
av_pix_fmt_descriptors
[
c
->
dstFormat
].
comp
[
plane
].
depth_minus1
+
1
;
const
int
dst_depth
=
desc_dst
->
comp
[
plane
].
depth_minus1
+
1
;
uint16_t
*
dstPtr2
=
(
uint16_t
*
)
dstPtr
;
if
(
is16BPS
(
c
->
srcFormat
))
{
...
...
@@ -839,7 +843,7 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
}
else
{
if
(
is16BPS
(
c
->
srcFormat
)
&&
is16BPS
(
c
->
dstFormat
))
length
*=
2
;
else
if
(
!
av_pix_fmt_descriptors
[
c
->
srcFormat
].
comp
[
0
].
depth_minus1
)
else
if
(
!
desc_src
->
comp
[
0
].
depth_minus1
)
length
>>=
3
;
// monowhite/black
for
(
i
=
0
;
i
<
height
;
i
++
)
{
memcpy
(
dstPtr
,
srcPtr
,
length
);
...
...
@@ -991,7 +995,7 @@ static void reset_ptr(const uint8_t *src[], int format)
static
int
check_image_pointers
(
uint8_t
*
data
[
4
],
enum
AVPixelFormat
pix_fmt
,
const
int
linesizes
[
4
])
{
const
AVPixFmtDescriptor
*
desc
=
&
av_pix_fmt_descriptors
[
pix_fmt
]
;
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
pix_fmt
)
;
int
i
;
for
(
i
=
0
;
i
<
4
;
i
++
)
{
...
...
libswscale/utils.c
View file @
0a7068fa
...
...
@@ -168,8 +168,9 @@ extern const int32_t ff_yuv2rgb_coeffs[8][4];
const
char
*
sws_format_name
(
enum
AVPixelFormat
format
)
{
if
((
unsigned
)
format
<
AV_PIX_FMT_NB
&&
av_pix_fmt_descriptors
[
format
].
name
)
return
av_pix_fmt_descriptors
[
format
].
name
;
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
format
);
if
(
desc
)
return
desc
->
name
;
else
return
"Unknown format"
;
}
...
...
@@ -745,14 +746,17 @@ static int initMMX2HScaler(int dstW, int xInc, uint8_t *filterCode,
static
void
getSubSampleFactors
(
int
*
h
,
int
*
v
,
enum
AVPixelFormat
format
)
{
*
h
=
av_pix_fmt_descriptors
[
format
].
log2_chroma_w
;
*
v
=
av_pix_fmt_descriptors
[
format
].
log2_chroma_h
;
const
AVPixFmtDescriptor
*
desc
=
av_pix_fmt_desc_get
(
format
);
*
h
=
desc
->
log2_chroma_w
;
*
v
=
desc
->
log2_chroma_h
;
}
int
sws_setColorspaceDetails
(
struct
SwsContext
*
c
,
const
int
inv_table
[
4
],
int
srcRange
,
const
int
table
[
4
],
int
dstRange
,
int
brightness
,
int
contrast
,
int
saturation
)
{
const
AVPixFmtDescriptor
*
desc_dst
=
av_pix_fmt_desc_get
(
c
->
dstFormat
);
const
AVPixFmtDescriptor
*
desc_src
=
av_pix_fmt_desc_get
(
c
->
srcFormat
);
memcpy
(
c
->
srcColorspaceTable
,
inv_table
,
sizeof
(
int
)
*
4
);
memcpy
(
c
->
dstColorspaceTable
,
table
,
sizeof
(
int
)
*
4
);
...
...
@@ -764,8 +768,8 @@ int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
if
(
isYUV
(
c
->
dstFormat
)
||
isGray
(
c
->
dstFormat
))
return
-
1
;
c
->
dstFormatBpp
=
av_get_bits_per_pixel
(
&
av_pix_fmt_descriptors
[
c
->
dstFormat
]
);
c
->
srcFormatBpp
=
av_get_bits_per_pixel
(
&
av_pix_fmt_descriptors
[
c
->
srcFormat
]
);
c
->
dstFormatBpp
=
av_get_bits_per_pixel
(
desc_dst
);
c
->
srcFormatBpp
=
av_get_bits_per_pixel
(
desc_src
);
ff_yuv2rgb_c_init_tables
(
c
,
inv_table
,
srcRange
,
brightness
,
contrast
,
saturation
);
...
...
@@ -841,6 +845,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
int
flags
,
cpu_flags
;
enum
AVPixelFormat
srcFormat
=
c
->
srcFormat
;
enum
AVPixelFormat
dstFormat
=
c
->
dstFormat
;
const
AVPixFmtDescriptor
*
desc_src
=
av_pix_fmt_desc_get
(
srcFormat
);
const
AVPixFmtDescriptor
*
desc_dst
=
av_pix_fmt_desc_get
(
dstFormat
);
cpu_flags
=
av_get_cpu_flags
();
flags
=
c
->
flags
;
...
...
@@ -893,8 +899,8 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
c
->
lumXInc
=
(((
int64_t
)
srcW
<<
16
)
+
(
dstW
>>
1
))
/
dstW
;
c
->
lumYInc
=
(((
int64_t
)
srcH
<<
16
)
+
(
dstH
>>
1
))
/
dstH
;
c
->
dstFormatBpp
=
av_get_bits_per_pixel
(
&
av_pix_fmt_descriptors
[
dstFormat
]
);
c
->
srcFormatBpp
=
av_get_bits_per_pixel
(
&
av_pix_fmt_descriptors
[
srcFormat
]
);
c
->
dstFormatBpp
=
av_get_bits_per_pixel
(
desc_dst
);
c
->
srcFormatBpp
=
av_get_bits_per_pixel
(
desc_src
);
c
->
vRounder
=
4
*
0x0001000100010001ULL
;
usesVFilter
=
(
srcFilter
->
lumV
&&
srcFilter
->
lumV
->
length
>
1
)
||
...
...
@@ -963,10 +969,10 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
}
}
c
->
srcBpc
=
1
+
av_pix_fmt_descriptors
[
srcFormat
].
comp
[
0
].
depth_minus1
;
c
->
srcBpc
=
1
+
desc_src
->
comp
[
0
].
depth_minus1
;
if
(
c
->
srcBpc
<
8
)
c
->
srcBpc
=
8
;
c
->
dstBpc
=
1
+
av_pix_fmt_descriptors
[
dstFormat
].
comp
[
0
].
depth_minus1
;
c
->
dstBpc
=
1
+
desc_dst
->
comp
[
0
].
depth_minus1
;
if
(
c
->
dstBpc
<
8
)
c
->
dstBpc
=
8
;
if
(
c
->
dstBpc
==
16
)
...
...
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