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94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
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/*
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* DXVA2 HW acceleration
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*
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* copyright (c) 2009 Laurent Aimar
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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_DXVA2_H
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#define AVCODEC_DXVA2_H
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/**
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* @file
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* @ingroup lavc_codec_hwaccel_dxva2
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* Public libavcodec DXVA2 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 <d3d9.h>
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#include <dxva2api.h>
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/**
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* @defgroup lavc_codec_hwaccel_dxva2 DXVA2
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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 DXVA2 and old UVD/UVD+ ATI video cards
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#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO 2 ///< Work around for DXVA2 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 DXVA2 FFmpeg 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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struct dxva_context {
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/**
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* DXVA2 decoder object
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*/
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IDirectXVideoDecoder *decoder;
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/**
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* DXVA2 configuration used to create the decoder
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*/
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const DXVA2_ConfigPictureDecode *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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LPDIRECT3DSURFACE9 *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 FFmpeg AVHWAccel implementation
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*/
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unsigned report_id;
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};
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/**
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* @}
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*/
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#endif /* AVCODEC_DXVA2_H */
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