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https://gitee.com/openharmony/third_party_ffmpeg
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113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/*
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* Direct3D11 HW acceleration
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*
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* copyright (c) 2009 Laurent Aimar
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* copyright (c) 2015 Steve Lhomme
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_D3D11VA_H
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#define AVCODEC_D3D11VA_H
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/**
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* @file
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* @ingroup lavc_codec_hwaccel_d3d11va
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* Public libavcodec D3D11VA header.
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*/
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#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
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#undef _WIN32_WINNT
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#define _WIN32_WINNT 0x0602
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#endif
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#include <stdint.h>
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#include <d3d11.h>
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/**
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* @defgroup lavc_codec_hwaccel_d3d11va Direct3D11
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* @ingroup lavc_codec_hwaccel
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*
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* @{
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*/
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#define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for Direct3D11 and old UVD/UVD+ ATI video cards
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#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO 2 ///< Work around for Direct3D11 and old Intel GPUs with ClearVideo interface
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/**
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* This structure is used to provides the necessary configurations and data
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* to the Direct3D11 Libav HWAccel implementation.
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*
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* The application must make it available as AVCodecContext.hwaccel_context.
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*
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* Use av_d3d11va_alloc_context() exclusively to allocate an AVD3D11VAContext.
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*/
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typedef struct AVD3D11VAContext {
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/**
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* D3D11 decoder object
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*/
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ID3D11VideoDecoder *decoder;
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/**
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* D3D11 VideoContext
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*/
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ID3D11VideoContext *video_context;
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/**
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* D3D11 configuration used to create the decoder
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*/
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D3D11_VIDEO_DECODER_CONFIG *cfg;
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/**
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* The number of surface in the surface array
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*/
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unsigned surface_count;
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/**
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* The array of Direct3D surfaces used to create the decoder
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*/
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ID3D11VideoDecoderOutputView **surface;
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/**
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* A bit field configuring the workarounds needed for using the decoder
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*/
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uint64_t workaround;
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/**
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* Private to the Libav AVHWAccel implementation
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*/
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unsigned report_id;
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/**
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* Mutex to access video_context
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*/
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HANDLE context_mutex;
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} AVD3D11VAContext;
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/**
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* Allocate an AVD3D11VAContext.
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*
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* @return Newly-allocated AVD3D11VAContext or NULL on failure.
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*/
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AVD3D11VAContext *av_d3d11va_alloc_context(void);
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/**
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* @}
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*/
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#endif /* AVCODEC_D3D11VA_H */
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