blob: 6c36cb4b6b437dc1115000dc2088feaa6df0bd4d
| 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 | IDirectXVideoDecoder *decoder_to_release; |
| 70 | } AVDXVA2FramesContext; |
| 71 | |
| 72 | #endif /* AVUTIL_HWCONTEXT_DXVA2_H */ |
| 73 |