aac5773f
 hucm
功能基本完成，接口待打磨
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/*
* 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_HWACCEL_H
#define AVCODEC_HWACCEL_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)
#endif /* AVCODEC_HWACCEL_H */
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