/* * 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 */ #ifndef AVUTIL_HWCONTEXT_DXVA2_H #define AVUTIL_HWCONTEXT_DXVA2_H /** * @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. */ #include <d3d9.h> #include <dxva2api.h> /** * 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. */ IDirectXVideoDecoder *decoder_to_release; } AVDXVA2FramesContext; #endif /* AVUTIL_HWCONTEXT_DXVA2_H */