FFmpeg
libavcodec
d3d11va.c
Go to the documentation of this file.
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/*
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* Direct3D11 HW acceleration
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*
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* copyright (c) 2015 Steve Lhomme
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stddef.h>
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#include "config.h"
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#if CONFIG_D3D11VA
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#include "
libavutil/error.h
"
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#include "
libavutil/mem.h
"
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#include "
d3d11va.h
"
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AVD3D11VAContext
*
av_d3d11va_alloc_context
(
void
)
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{
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AVD3D11VAContext
* res =
av_mallocz
(
sizeof
(
AVD3D11VAContext
));
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if
(!res)
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return
NULL
;
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res->
context_mutex
= INVALID_HANDLE_VALUE;
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return
res;
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}
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#else
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struct
AVD3D11VAContext
*
av_d3d11va_alloc_context
(
void
);
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struct
AVD3D11VAContext
*
av_d3d11va_alloc_context
(
void
)
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{
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return
NULL
;
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}
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#endif
/* CONFIG_D3D11VA */
AVD3D11VAContext
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWA...
Definition:
d3d11va.h:56
AVD3D11VAContext::context_mutex
HANDLE context_mutex
Mutex to access video_context.
Definition:
d3d11va.h:95
NULL
#define NULL
Definition:
coverity.c:32
av_d3d11va_alloc_context
struct AVD3D11VAContext * av_d3d11va_alloc_context(void)
Allocate an AVD3D11VAContext.
Definition:
d3d11va.c:44
error.h
d3d11va.h
av_mallocz
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition:
mem.c:256
mem.h
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