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Linshizhi
ffmpeg.wasm-core
Commits
e745dc2d
Commit
e745dc2d
authored
Oct 07, 2013
by
Paul B Mahol
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avcodec/dpx: refactor pixel format selection
Signed-off-by:
Paul B Mahol
<
onemda@gmail.com
>
parent
b8866783
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1 changed file
with
38 additions
and
12 deletions
+38
-12
dpx.c
libavcodec/dpx.c
+38
-12
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libavcodec/dpx.c
View file @
e745dc2d
...
...
@@ -162,11 +162,6 @@ static int decode_frame(AVCodecContext *avctx,
switch
(
bits_per_color
)
{
case
8
:
if
(
elements
==
4
)
{
avctx
->
pix_fmt
=
AV_PIX_FMT_RGBA
;
}
else
{
avctx
->
pix_fmt
=
AV_PIX_FMT_RGB24
;
}
total_size
=
avctx
->
width
*
avctx
->
height
*
elements
;
break
;
case
10
:
...
...
@@ -174,7 +169,6 @@ static int decode_frame(AVCodecContext *avctx,
av_log
(
avctx
,
AV_LOG_ERROR
,
"Packing to 32bit required
\n
"
);
return
-
1
;
}
avctx
->
pix_fmt
=
AV_PIX_FMT_GBRP10
;
total_size
=
(
avctx
->
width
*
elements
+
2
)
/
3
*
4
*
avctx
->
height
;
break
;
case
12
:
...
...
@@ -182,15 +176,9 @@ static int decode_frame(AVCodecContext *avctx,
av_log
(
avctx
,
AV_LOG_ERROR
,
"Packing to 16bit required
\n
"
);
return
-
1
;
}
avctx
->
pix_fmt
=
AV_PIX_FMT_GBRP12
;
total_size
=
2
*
avctx
->
width
*
avctx
->
height
*
elements
;
break
;
case
16
:
if
(
endian
)
{
avctx
->
pix_fmt
=
elements
==
4
?
AV_PIX_FMT_RGBA64BE
:
AV_PIX_FMT_RGB48BE
;
}
else
{
avctx
->
pix_fmt
=
elements
==
4
?
AV_PIX_FMT_RGBA64LE
:
AV_PIX_FMT_RGB48LE
;
}
total_size
=
2
*
avctx
->
width
*
avctx
->
height
*
elements
;
break
;
case
1
:
...
...
@@ -202,6 +190,44 @@ static int decode_frame(AVCodecContext *avctx,
return
AVERROR_INVALIDDATA
;
}
switch
(
1000
*
descriptor
+
10
*
bits_per_color
+
endian
)
{
case
50081
:
case
50080
:
avctx
->
pix_fmt
=
AV_PIX_FMT_RGB24
;
break
;
case
51081
:
case
51080
:
avctx
->
pix_fmt
=
AV_PIX_FMT_RGBA
;
break
;
case
50100
:
case
51100
:
case
50101
:
case
51101
:
avctx
->
pix_fmt
=
AV_PIX_FMT_GBRP10
;
break
;
case
50120
:
case
51120
:
case
50121
:
case
51121
:
avctx
->
pix_fmt
=
AV_PIX_FMT_GBRP12
;
break
;
case
50161
:
avctx
->
pix_fmt
=
AV_PIX_FMT_RGB48BE
;
break
;
case
50160
:
avctx
->
pix_fmt
=
AV_PIX_FMT_RGB48LE
;
break
;
case
51161
:
avctx
->
pix_fmt
=
AV_PIX_FMT_RGBA64BE
;
break
;
case
51160
:
avctx
->
pix_fmt
=
AV_PIX_FMT_RGBA64LE
;
break
;
default:
av_log
(
avctx
,
AV_LOG_ERROR
,
"Unsupported format
\n
"
);
return
AVERROR_PATCHWELCOME
;
}
if
((
ret
=
ff_get_buffer
(
avctx
,
p
,
0
))
<
0
)
return
ret
;
...
...
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