| /* | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| /** | |
| * @file | |
| * An API-specific header for AV_HWDEVICE_TYPE_DXVA2. | |
| * | |
| * Only fixed-size pools are supported. | |
| * | |
| * For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs | |
| * with the data pointer set to a pointer to IDirect3DSurface9. | |
| */ | |
| /** | |
| * This struct is allocated as AVHWDeviceContext.hwctx | |
| */ | |
| typedef struct AVDXVA2DeviceContext { | |
| IDirect3DDeviceManager9 *devmgr; | |
| } AVDXVA2DeviceContext; | |
| /** | |
| * This struct is allocated as AVHWFramesContext.hwctx | |
| */ | |
| typedef struct AVDXVA2FramesContext { | |
| /** | |
| * The surface type (e.g. DXVA2_VideoProcessorRenderTarget or | |
| * DXVA2_VideoDecoderRenderTarget). Must be set by the caller. | |
| */ | |
| DWORD surface_type; | |
| /** | |
| * The surface pool. When an external pool is not provided by the caller, | |
| * this will be managed (allocated and filled on init, freed on uninit) by | |
| * libavutil. | |
| */ | |
| IDirect3DSurface9 **surfaces; | |
| int nb_surfaces; | |
| /** | |
| * Certain drivers require the decoder to be destroyed before the surfaces. | |
| * To allow internally managed pools to work properly in such cases, this | |
| * field is provided. | |
| * | |
| * If it is non-NULL, libavutil will call IDirectXVideoDecoder_Release() on | |
| * it just before the internal surface pool is freed. | |
| * | |
| * This is for convenience only. Some code uses other methods to manage the | |
| * decoder reference. | |
| */ | |
| IDirectXVideoDecoder *decoder_to_release; | |
| } AVDXVA2FramesContext; | |