mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
/*
|
|
* Direct3D11 HW acceleration
|
|
*
|
|
* copyright (c) 2009 Laurent Aimar
|
|
* copyright (c) 2015 Steve Lhomme
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_D3D11VA_H
|
|
#define AVCODEC_D3D11VA_H
|
|
|
|
/**
|
|
* @file
|
|
* @ingroup lavc_codec_hwaccel_d3d11va
|
|
* Public libavcodec D3D11VA header.
|
|
*/
|
|
|
|
#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
|
|
#undef _WIN32_WINNT
|
|
#define _WIN32_WINNT 0x0602
|
|
#endif
|
|
|
|
#include <stdint.h>
|
|
#include <d3d11.h>
|
|
|
|
/**
|
|
* @defgroup lavc_codec_hwaccel_d3d11va Direct3D11
|
|
* @ingroup lavc_codec_hwaccel
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for Direct3D11 and old UVD/UVD+ ATI video cards
|
|
#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO 2 ///< Work around for Direct3D11 and old Intel GPUs with ClearVideo interface
|
|
|
|
/**
|
|
* This structure is used to provides the necessary configurations and data
|
|
* to the Direct3D11 Libav HWAccel implementation.
|
|
*
|
|
* The application must make it available as AVCodecContext.hwaccel_context.
|
|
*
|
|
* Use av_d3d11va_alloc_context() exclusively to allocate an AVD3D11VAContext.
|
|
*/
|
|
typedef struct AVD3D11VAContext {
|
|
/**
|
|
* D3D11 decoder object
|
|
*/
|
|
ID3D11VideoDecoder *decoder;
|
|
|
|
/**
|
|
* D3D11 VideoContext
|
|
*/
|
|
ID3D11VideoContext *video_context;
|
|
|
|
/**
|
|
* D3D11 configuration used to create the decoder
|
|
*/
|
|
D3D11_VIDEO_DECODER_CONFIG *cfg;
|
|
|
|
/**
|
|
* The number of surface in the surface array
|
|
*/
|
|
unsigned surface_count;
|
|
|
|
/**
|
|
* The array of Direct3D surfaces used to create the decoder
|
|
*/
|
|
ID3D11VideoDecoderOutputView **surface;
|
|
|
|
/**
|
|
* A bit field configuring the workarounds needed for using the decoder
|
|
*/
|
|
uint64_t workaround;
|
|
|
|
/**
|
|
* Private to the Libav AVHWAccel implementation
|
|
*/
|
|
unsigned report_id;
|
|
|
|
/**
|
|
* Mutex to access video_context
|
|
*/
|
|
HANDLE context_mutex;
|
|
} AVD3D11VAContext;
|
|
|
|
/**
|
|
* Allocate an AVD3D11VAContext.
|
|
*
|
|
* @return Newly-allocated AVD3D11VAContext or NULL on failure.
|
|
*/
|
|
AVD3D11VAContext *av_d3d11va_alloc_context(void);
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* AVCODEC_D3D11VA_H */
|