mirror of
https://github.com/FFmpeg/FFmpeg.git
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101 lines
3.9 KiB
C
101 lines
3.9 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_HWCONFIG_H
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#define AVCODEC_HWCONFIG_H
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#include "avcodec.h"
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#include "hwaccels.h"
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#define HWACCEL_CAP_ASYNC_SAFE (1 << 0)
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typedef struct AVCodecHWConfigInternal {
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/**
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* This is the structure which will be returned to the user by
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* avcodec_get_hw_config().
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*/
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AVCodecHWConfig public;
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/**
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* If this configuration uses a hwaccel, a pointer to it.
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* If not, NULL.
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*/
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const AVHWAccel *hwaccel;
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} AVCodecHWConfigInternal;
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// These macros are used to simplify AVCodecHWConfigInternal definitions.
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#define HW_CONFIG_HWACCEL(device, frames, ad_hoc, format, device_type_, name) \
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&(const AVCodecHWConfigInternal) { \
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.public = { \
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.pix_fmt = AV_PIX_FMT_ ## format, \
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.methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \
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(frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \
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(ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \
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.device_type = AV_HWDEVICE_TYPE_ ## device_type_, \
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}, \
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.hwaccel = &name, \
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}
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#define HW_CONFIG_INTERNAL(format) \
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&(const AVCodecHWConfigInternal) { \
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.public = { \
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.pix_fmt = AV_PIX_FMT_ ## format, \
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.methods = AV_CODEC_HW_CONFIG_METHOD_INTERNAL, \
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.device_type = AV_HWDEVICE_TYPE_NONE, \
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}, \
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.hwaccel = NULL, \
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}
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#define HWACCEL_DXVA2(codec) \
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HW_CONFIG_HWACCEL(1, 1, 1, DXVA2_VLD, DXVA2, ff_ ## codec ## _dxva2_hwaccel)
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#define HWACCEL_D3D11VA2(codec) \
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HW_CONFIG_HWACCEL(1, 1, 0, D3D11, D3D11VA, ff_ ## codec ## _d3d11va2_hwaccel)
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#define HWACCEL_NVDEC(codec) \
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HW_CONFIG_HWACCEL(1, 1, 0, CUDA, CUDA, ff_ ## codec ## _nvdec_hwaccel)
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#define HWACCEL_VAAPI(codec) \
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HW_CONFIG_HWACCEL(1, 1, 1, VAAPI, VAAPI, ff_ ## codec ## _vaapi_hwaccel)
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#define HWACCEL_VDPAU(codec) \
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HW_CONFIG_HWACCEL(1, 1, 1, VDPAU, VDPAU, ff_ ## codec ## _vdpau_hwaccel)
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#define HWACCEL_VIDEOTOOLBOX(codec) \
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HW_CONFIG_HWACCEL(1, 1, 1, VIDEOTOOLBOX, VIDEOTOOLBOX, ff_ ## codec ## _videotoolbox_hwaccel)
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#define HWACCEL_D3D11VA(codec) \
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HW_CONFIG_HWACCEL(0, 0, 1, D3D11VA_VLD, NONE, ff_ ## codec ## _d3d11va_hwaccel)
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#define HW_CONFIG_ENCODER(device, frames, ad_hoc, format, device_type_) \
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&(const AVCodecHWConfigInternal) { \
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.public = { \
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.pix_fmt = AV_PIX_FMT_ ## format, \
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.methods = (device ? AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX : 0) | \
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(frames ? AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX : 0) | \
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(ad_hoc ? AV_CODEC_HW_CONFIG_METHOD_AD_HOC : 0), \
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.device_type = AV_HWDEVICE_TYPE_ ## device_type_, \
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}, \
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.hwaccel = NULL, \
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}
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#define HW_CONFIG_ENCODER_DEVICE(format, device_type_) \
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HW_CONFIG_ENCODER(1, 0, 0, format, device_type_)
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#define HW_CONFIG_ENCODER_FRAMES(format, device_type_) \
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HW_CONFIG_ENCODER(0, 1, 0, format, device_type_)
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#endif /* AVCODEC_HWCONFIG_H */
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