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Linshizhi
ffmpeg.wasm-core
Commits
e8bbacbf
Commit
e8bbacbf
authored
Oct 06, 2016
by
Anton Khirnov
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hwcontext_qsv: support frame mapping
Signed-off-by:
Maxym Dmytrychenko
<
maxym.dmytrychenko@intel.com
>
parent
8ea15afb
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hwcontext_qsv.c
libavutil/hwcontext_qsv.c
+37
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libavutil/hwcontext_qsv.c
View file @
e8bbacbf
...
...
@@ -559,6 +559,42 @@ static int qsv_transfer_get_formats(AVHWFramesContext *ctx,
return
0
;
}
static
int
qsv_map_from
(
AVHWFramesContext
*
ctx
,
AVFrame
*
dst
,
const
AVFrame
*
src
,
int
flags
)
{
QSVFramesContext
*
s
=
ctx
->
internal
->
priv
;
mfxFrameSurface1
*
surf
=
(
mfxFrameSurface1
*
)
src
->
data
[
3
];
AVHWFramesContext
*
child_frames_ctx
;
AVFrame
*
dummy
;
int
ret
=
0
;
if
(
!
s
->
child_frames_ref
)
return
AVERROR
(
ENOSYS
);
child_frames_ctx
=
(
AVHWFramesContext
*
)
s
->
child_frames_ref
->
data
;
dummy
=
av_frame_alloc
();
if
(
!
dummy
)
return
AVERROR
(
ENOMEM
);
dummy
->
buf
[
0
]
=
av_buffer_ref
(
src
->
buf
[
0
]);
dummy
->
hw_frames_ctx
=
av_buffer_ref
(
s
->
child_frames_ref
);
if
(
!
dummy
->
buf
[
0
]
||
!
dummy
->
hw_frames_ctx
)
goto
fail
;
dummy
->
format
=
child_frames_ctx
->
format
;
dummy
->
width
=
src
->
width
;
dummy
->
height
=
src
->
height
;
dummy
->
data
[
3
]
=
surf
->
Data
.
MemId
;
ret
=
av_hwframe_map
(
dst
,
dummy
,
flags
);
fail:
av_frame_free
(
&
dummy
);
return
ret
;
}
static
int
qsv_transfer_data_child
(
AVHWFramesContext
*
ctx
,
AVFrame
*
dst
,
const
AVFrame
*
src
)
{
...
...
@@ -840,6 +876,7 @@ const HWContextType ff_hwcontext_type_qsv = {
.
transfer_get_formats
=
qsv_transfer_get_formats
,
.
transfer_data_to
=
qsv_transfer_data_to
,
.
transfer_data_from
=
qsv_transfer_data_from
,
.
map_from
=
qsv_map_from
,
.
pix_fmts
=
(
const
enum
AVPixelFormat
[]){
AV_PIX_FMT_QSV
,
AV_PIX_FMT_NONE
},
};
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