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hwcontext_cuda.h
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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 AVUTIL_HWCONTEXT_CUDA_H
#define AVUTIL_HWCONTEXT_CUDA_H
#ifndef CUDA_VERSION
#include <cuda.h>
#endif
#include "pixfmt.h"
/**
* @file
* An API-specific header for AV_HWDEVICE_TYPE_CUDA.
*
* This API supports dynamic frame pools. AVHWFramesContext.pool must return
* AVBufferRefs whose data pointer is a CUdeviceptr.
*/
typedef struct AVCUDADeviceContextInternal AVCUDADeviceContextInternal;
/**
* This struct is allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVCUDADeviceContext {
CUcontext cuda_ctx;
CUstream stream;
AVCUDADeviceContextInternal *internal;
} AVCUDADeviceContext;
/**
* AVHWFramesContext.hwctx is currently not used
*/
/**
* @defgroup hwcontext_cuda Device context creation flags
*
* Flags for av_hwdevice_ctx_create.
*
* @{
*/
/**
* Use primary device context instead of creating a new one.
*/
#define AV_CUDA_USE_PRIMARY_CONTEXT (1 << 0)
/**
* Use current device context instead of creating a new one.
*/
#define AV_CUDA_USE_CURRENT_CONTEXT (1 << 1)
/**
* @}
*/
#endif /* AVUTIL_HWCONTEXT_CUDA_H */
AVCUDADeviceContextInternal
struct AVCUDADeviceContextInternal AVCUDADeviceContextInternal
Definition hwcontext_cuda.h:37
pixfmt.h
pixel format definitions
AVCUDADeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition hwcontext_cuda.h:42
AVCUDADeviceContext::cuda_ctx
CUcontext cuda_ctx
Definition hwcontext_cuda.h:43
AVCUDADeviceContext::internal
AVCUDADeviceContextInternal * internal
Definition hwcontext_cuda.h:45
AVCUDADeviceContext::stream
CUstream stream
Definition hwcontext_cuda.h:44