modules/video_chroma/d3d9_fmt.h

   1 /*****************************************************************************
   2  * d3d9_fmt.h : D3D9 helper calls
   3  *****************************************************************************
   4  * Copyright © 2017 VLC authors, VideoLAN and VideoLabs
   5  *
   6  * Authors: Steve Lhomme <robux4@gmail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU Lesser General Public License as published by
  10  * the Free Software Foundation; either version 2.1 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 #ifndef VLC_VIDEOCHROMA_D3D9_FMT_H_
  24 #define VLC_VIDEOCHROMA_D3D9_FMT_H_
  25
  26 #include <vlc_picture.h>
  27
  28 #define COBJMACROS
  29 #include <d3d9.h>
  30 #include <dxva2api.h>
  31
  32 #include "dxgi_fmt.h"
  33
  34 /* owned by the vout for VLC_CODEC_D3D9_OPAQUE */
  35 typedef struct
  36 {
  37     IDirect3DSurface9    *surface;
  38     /* decoder only */
  39     IDirectXVideoDecoder *decoder; /* keep a reference while the surface exist */
  40     HINSTANCE            dxva2_dll;
  41 } picture_sys_t;
  42
  43 typedef struct
  44 {
  45     HINSTANCE               hdll;       /* handle of the opened d3d9 dll */
  46     union {
  47         IDirect3D9          *obj;
  48         IDirect3D9Ex        *objex;
  49     };
  50     bool                    use_ex;
  51 } d3d9_handle_t;
  52
  53 typedef struct
  54 {
  55     /* d3d9_handle_t           hd3d; TODO */
  56     union
  57     {
  58         IDirect3DDevice9    *dev;
  59         IDirect3DDevice9Ex  *devex;
  60     };
  61     bool                    owner;
  62
  63     /* creation parameters */
  64     D3DPRESENT_PARAMETERS   pp;
  65     UINT                    adapterId;
  66     HWND                    hwnd;
  67     D3DCAPS9                caps;
  68 } d3d9_device_t;
  69
  70 #include "../codec/avcodec/va_surface.h"
  71
  72 static inline picture_sys_t *ActivePictureSys(picture_t *p_pic)
  73 {
  74     struct va_pic_context *pic_ctx = (struct va_pic_context*)p_pic->context;
  75     return pic_ctx ? &pic_ctx->picsys : p_pic->p_sys;
  76 }
  77
  78 static inline void AcquirePictureSys(picture_sys_t *p_sys)
  79 {
  80     IDirect3DSurface9_AddRef(p_sys->surface);
  81     if (p_sys->decoder)
  82         IDirectXVideoDecoder_AddRef(p_sys->decoder);
  83     p_sys->dxva2_dll = LoadLibrary(TEXT("DXVA2.DLL"));
  84 }
  85
  86 static inline void ReleasePictureSys(picture_sys_t *p_sys)
  87 {
  88     IDirect3DSurface9_Release(p_sys->surface);
  89     if (p_sys->decoder)
  90         IDirectXVideoDecoder_Release(p_sys->decoder);
  91     FreeLibrary(p_sys->dxva2_dll);
  92 }
  93
  94 HRESULT D3D9_CreateDevice(vlc_object_t *, d3d9_handle_t *, HWND,
  95                           const video_format_t *, d3d9_device_t *out);
  96 #define D3D9_CreateDevice(a,b,c,d,e) D3D9_CreateDevice( VLC_OBJECT(a), b, c, d, e )
  97 HRESULT D3D9_CreateDeviceExternal(IDirect3DDevice9 *, d3d9_handle_t *, HWND,
  98                                   const video_format_t *, d3d9_device_t *out);
  99
 100 void D3D9_ReleaseDevice(d3d9_device_t *);
 101 int D3D9_Create(vlc_object_t *, d3d9_handle_t *);
 102 #define D3D9_Create(a,b) D3D9_Create( VLC_OBJECT(a), b )
 103 int D3D9_CreateExternal(vlc_object_t *, d3d9_handle_t *, IDirect3DDevice9 *);
 104 #define D3D9_CreateExternal(a,b,c) D3D9_CreateExternal( VLC_OBJECT(a), b, c )
 105
 106 void D3D9_Destroy(d3d9_handle_t *);
 107
 108 int D3D9_FillPresentationParameters(d3d9_handle_t *, const video_format_t *, d3d9_device_t *);
 109
 110 #endif /* VLC_VIDEOCHROMA_D3D9_FMT_H_ */