mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.2 KiB
95 lines
2.2 KiB
/* |
|
* DXVA2 HW acceleration |
|
* |
|
* copyright (c) 2009 Laurent Aimar |
|
* |
|
* 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 AVCODEC_DXVA_H |
|
#define AVCODEC_DXVA_H |
|
|
|
/** |
|
* @file |
|
* @ingroup lavc_codec_hwaccel_dxva2 |
|
* Public libavcodec DXVA2 header. |
|
*/ |
|
|
|
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600 |
|
#undef _WIN32_WINNT |
|
#endif |
|
|
|
#if !defined(_WIN32_WINNT) |
|
#define _WIN32_WINNT 0x0600 |
|
#endif |
|
|
|
#include <stdint.h> |
|
#include <d3d9.h> |
|
#include <dxva2api.h> |
|
|
|
/** |
|
* @defgroup lavc_codec_hwaccel_dxva2 DXVA2 |
|
* @ingroup lavc_codec_hwaccel |
|
* |
|
* @{ |
|
*/ |
|
|
|
#define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards |
|
|
|
/** |
|
* This structure is used to provides the necessary configurations and data |
|
* to the DXVA2 FFmpeg HWAccel implementation. |
|
* |
|
* The application must make it available as AVCodecContext.hwaccel_context. |
|
*/ |
|
struct dxva_context { |
|
/** |
|
* DXVA2 decoder object |
|
*/ |
|
IDirectXVideoDecoder *decoder; |
|
|
|
/** |
|
* DXVA2 configuration used to create the decoder |
|
*/ |
|
const DXVA2_ConfigPictureDecode *cfg; |
|
|
|
/** |
|
* The number of surface in the surface array |
|
*/ |
|
unsigned surface_count; |
|
|
|
/** |
|
* The array of Direct3D surfaces used to create the decoder |
|
*/ |
|
LPDIRECT3DSURFACE9 *surface; |
|
|
|
/** |
|
* A bit field configuring the workarounds needed for using the decoder |
|
*/ |
|
uint64_t workaround; |
|
|
|
/** |
|
* Private to the FFmpeg AVHWAccel implementation |
|
*/ |
|
unsigned report_id; |
|
}; |
|
|
|
/** |
|
* @} |
|
*/ |
|
|
|
#endif /* AVCODEC_DXVA_H */
|
|
|