/*
* 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"
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 struct FFHWAccel *hwaccel;
} AVCodecHWConfigInternal;
void ff_hwaccel_uninit(AVCodecContext *avctx);
// 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_VULKAN(codec) \
HW_CONFIG_HWACCEL(1 , 1 , 1 , VULKAN, VULKAN, ff_ ## codec ## _vulkan_hwaccel)
#define HWACCEL_D3D11VA(codec) \
HW_CONFIG_HWACCEL(0 , 0 , 1 , D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel)
#define HWACCEL_D3D12VA(codec) \
HW_CONFIG_HWACCEL(1 , 1 , 0 , D3D12, D3D12VA, ff_ ## codec ## _d3d12va_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 */
Messung V0.5 in Prozent C=96 H=100 G=97
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-01)
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