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75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
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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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#ifndef AVUTIL_HWCONTEXT_DXVA2_H
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#define AVUTIL_HWCONTEXT_DXVA2_H
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/**
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* @file
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* An API-specific header for AV_HWDEVICE_TYPE_DXVA2.
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*
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* Only fixed-size pools are supported.
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*
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* For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
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* with the data pointer set to a pointer to IDirect3DSurface9.
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*/
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#include <d3d9.h>
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#include <dxva2api.h>
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/**
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* This struct is allocated as AVHWDeviceContext.hwctx
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*/
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typedef struct AVDXVA2DeviceContext {
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IDirect3DDeviceManager9 *devmgr;
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} AVDXVA2DeviceContext;
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/**
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* This struct is allocated as AVHWFramesContext.hwctx
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*/
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typedef struct AVDXVA2FramesContext {
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/**
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* The surface type (e.g. DXVA2_VideoProcessorRenderTarget or
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* DXVA2_VideoDecoderRenderTarget). Must be set by the caller.
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*/
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DWORD surface_type;
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/**
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* The surface pool. When an external pool is not provided by the caller,
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* this will be managed (allocated and filled on init, freed on uninit) by
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* libavutil.
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*/
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IDirect3DSurface9 **surfaces;
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int nb_surfaces;
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/**
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* Certain drivers require the decoder to be destroyed before the surfaces.
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* To allow internally managed pools to work properly in such cases, this
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* field is provided.
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*
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* If it is non-NULL, libavutil will call IDirectXVideoDecoder_Release() on
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* it just before the internal surface pool is freed.
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*
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* This is for convenience only. Some code uses other methods to manage the
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* decoder reference.
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*/
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IDirectXVideoDecoder *decoder_to_release;
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} AVDXVA2FramesContext;
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#endif /* AVUTIL_HWCONTEXT_DXVA2_H */
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