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75 lines
1.8 KiB
C
75 lines
1.8 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 AVUTIL_HWCONTEXT_CUDA_H
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#define AVUTIL_HWCONTEXT_CUDA_H
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#ifndef CUDA_VERSION
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#include <cuda.h>
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#endif
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#include "pixfmt.h"
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/**
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* @file
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* An API-specific header for AV_HWDEVICE_TYPE_CUDA.
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*
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* This API supports dynamic frame pools. AVHWFramesContext.pool must return
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* AVBufferRefs whose data pointer is a CUdeviceptr.
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*/
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typedef struct AVCUDADeviceContextInternal AVCUDADeviceContextInternal;
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/**
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* This struct is allocated as AVHWDeviceContext.hwctx
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*/
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typedef struct AVCUDADeviceContext {
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CUcontext cuda_ctx;
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CUstream stream;
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AVCUDADeviceContextInternal *internal;
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} AVCUDADeviceContext;
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/**
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* AVHWFramesContext.hwctx is currently not used
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*/
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/**
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* @defgroup hwcontext_cuda Device context creation flags
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*
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* Flags for av_hwdevice_ctx_create.
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*
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* @{
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*/
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/**
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* Use primary device context instead of creating a new one.
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*/
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#define AV_CUDA_USE_PRIMARY_CONTEXT (1 << 0)
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/**
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* Use current device context instead of creating a new one.
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*/
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#define AV_CUDA_USE_CURRENT_CONTEXT (1 << 1)
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/**
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* @}
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*/
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#endif /* AVUTIL_HWCONTEXT_CUDA_H */
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