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75 lines
2.4 KiB
75 lines
2.4 KiB
/* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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