duckstation

duckstation, but archived from the revision just before upstream changed it to a proprietary software project, this version is the libre one
git clone https://git.neptards.moe/u3shit/duckstation.git
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hwcontext_dxva2.h (2411B)

      1 /*
      2  * This file is part of FFmpeg.
      3  *
      4  * FFmpeg is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Lesser General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2.1 of the License, or (at your option) any later version.
      8  *
      9  * FFmpeg is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Lesser General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Lesser General Public
     15  * License along with FFmpeg; if not, write to the Free Software
     16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     17  */
     18 
     19 
     20 #ifndef AVUTIL_HWCONTEXT_DXVA2_H
     21 #define AVUTIL_HWCONTEXT_DXVA2_H
     22 
     23 /**
     24  * @file
     25  * An API-specific header for AV_HWDEVICE_TYPE_DXVA2.
     26  *
     27  * Only fixed-size pools are supported.
     28  *
     29  * For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
     30  * with the data pointer set to a pointer to IDirect3DSurface9.
     31  */
     32 
     33 #include <d3d9.h>
     34 #include <dxva2api.h>
     35 
     36 /**
     37  * This struct is allocated as AVHWDeviceContext.hwctx
     38  */
     39 typedef struct AVDXVA2DeviceContext {
     40     IDirect3DDeviceManager9 *devmgr;
     41 } AVDXVA2DeviceContext;
     42 
     43 /**
     44  * This struct is allocated as AVHWFramesContext.hwctx
     45  */
     46 typedef struct AVDXVA2FramesContext {
     47     /**
     48      * The surface type (e.g. DXVA2_VideoProcessorRenderTarget or
     49      * DXVA2_VideoDecoderRenderTarget). Must be set by the caller.
     50      */
     51     DWORD               surface_type;
     52 
     53     /**
     54      * The surface pool. When an external pool is not provided by the caller,
     55      * this will be managed (allocated and filled on init, freed on uninit) by
     56      * libavutil.
     57      */
     58     IDirect3DSurface9 **surfaces;
     59     int              nb_surfaces;
     60 
     61     /**
     62      * Certain drivers require the decoder to be destroyed before the surfaces.
     63      * To allow internally managed pools to work properly in such cases, this
     64      * field is provided.
     65      *
     66      * If it is non-NULL, libavutil will call IDirectXVideoDecoder_Release() on
     67      * it just before the internal surface pool is freed.
     68      *
     69      * This is for convenience only. Some code uses other methods to manage the
     70      * decoder reference.
     71      */
     72     IDirectXVideoDecoder *decoder_to_release;
     73 } AVDXVA2FramesContext;
     74 
     75 #endif /* AVUTIL_HWCONTEXT_DXVA2_H */