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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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| | | |
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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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| | | /** |
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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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| | | |
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| | | #include <d3d9.h> |
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| | | #include <dxva2api.h> |
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| | | |
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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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| | | /** |
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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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| | | /** |
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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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| | | /** |
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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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| | | |
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| | | #endif /* AVUTIL_HWCONTEXT_DXVA2_H */ |
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