103 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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_HWCONFIG_H
 | |
| #define AVCODEC_HWCONFIG_H
 | |
| 
 | |
| #include "avcodec.h"
 | |
| #include "hwaccels.h"
 | |
| 
 | |
| 
 | |
| #define HWACCEL_CAP_ASYNC_SAFE      (1 << 0)
 | |
| 
 | |
| 
 | |
| typedef struct AVCodecHWConfigInternal {
 | |
|     /**
 | |
|      * This is the structure which will be returned to the user by
 | |
|      * avcodec_get_hw_config().
 | |
|      */
 | |
|     AVCodecHWConfig public;
 | |
|     /**
 | |
|      * If this configuration uses a hwaccel, a pointer to it.
 | |
|      * If not, NULL.
 | |
|      */
 | |
|     const AVHWAccel *hwaccel;
 | |
| } AVCodecHWConfigInternal;
 | |
| 
 | |
| 
 | |
| // These macros are used to simplify AVCodecHWConfigInternal definitions.
 | |
| 
 | |
| #define HW_CONFIG_HWACCEL(device, frames, ad_hoc, format, device_type_, name) \
 | |
|     &(const AVCodecHWConfigInternal) { \
 | |
|         .public          = { \
 | |
|             .pix_fmt     = AV_PIX_FMT_ ## format, \
 | |
|             .methods     = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \
 | |
|                            (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \
 | |
|                            (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC        : 0),  \
 | |
|             .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \
 | |
|         }, \
 | |
|         .hwaccel         = &name, \
 | |
|     }
 | |
| 
 | |
| #define HW_CONFIG_INTERNAL(format) \
 | |
|     &(const AVCodecHWConfigInternal) { \
 | |
|         .public          = { \
 | |
|             .pix_fmt     = AV_PIX_FMT_ ## format, \
 | |
|             .methods     = AV_CODEC_HW_CONFIG_METHOD_INTERNAL, \
 | |
|             .device_type = AV_HWDEVICE_TYPE_NONE, \
 | |
|         }, \
 | |
|         .hwaccel         = NULL, \
 | |
|     }
 | |
| 
 | |
| #define HWACCEL_DXVA2(codec) \
 | |
|     HW_CONFIG_HWACCEL(1, 1, 1, DXVA2_VLD,    DXVA2,        ff_ ## codec ## _dxva2_hwaccel)
 | |
| #define HWACCEL_D3D11VA2(codec) \
 | |
|     HW_CONFIG_HWACCEL(1, 1, 0, D3D11,        D3D11VA,      ff_ ## codec ## _d3d11va2_hwaccel)
 | |
| #define HWACCEL_NVDEC(codec) \
 | |
|     HW_CONFIG_HWACCEL(1, 1, 0, CUDA,         CUDA,         ff_ ## codec ## _nvdec_hwaccel)
 | |
| #define HWACCEL_VAAPI(codec) \
 | |
|     HW_CONFIG_HWACCEL(1, 1, 1, VAAPI,        VAAPI,        ff_ ## codec ## _vaapi_hwaccel)
 | |
| #define HWACCEL_VDPAU(codec) \
 | |
|     HW_CONFIG_HWACCEL(1, 1, 1, VDPAU,        VDPAU,        ff_ ## codec ## _vdpau_hwaccel)
 | |
| #define HWACCEL_VIDEOTOOLBOX(codec) \
 | |
|     HW_CONFIG_HWACCEL(1, 1, 1, VIDEOTOOLBOX, VIDEOTOOLBOX, ff_ ## codec ## _videotoolbox_hwaccel)
 | |
| #define HWACCEL_D3D11VA(codec) \
 | |
|     HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD,  NONE,         ff_ ## codec ## _d3d11va_hwaccel)
 | |
| #define HWACCEL_XVMC(codec) \
 | |
|     HW_CONFIG_HWACCEL(0, 0, 1, XVMC,         NONE,         ff_ ## codec ## _xvmc_hwaccel)
 | |
| 
 | |
| #define HW_CONFIG_ENCODER(device, frames, ad_hoc, format, device_type_) \
 | |
|     &(const AVCodecHWConfigInternal) { \
 | |
|         .public          = { \
 | |
|             .pix_fmt     = AV_PIX_FMT_ ## format, \
 | |
|             .methods     = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \
 | |
|                            (frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \
 | |
|                            (ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC        : 0),  \
 | |
|             .device_type = AV_HWDEVICE_TYPE_ ## device_type_, \
 | |
|         }, \
 | |
|         .hwaccel         = NULL, \
 | |
|     }
 | |
| 
 | |
| #define HW_CONFIG_ENCODER_DEVICE(format, device_type_) \
 | |
|     HW_CONFIG_ENCODER(1, 0, 0, format, device_type_)
 | |
| 
 | |
| #define HW_CONFIG_ENCODER_FRAMES(format, device_type_) \
 | |
|     HW_CONFIG_ENCODER(0, 1, 0, format, device_type_)
 | |
| 
 | |
| #endif /* AVCODEC_HWCONFIG_H */
 |