hwcontext_cuda.h 1.45 KB
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/*
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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
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
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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
 * 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
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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
 */


#ifndef AVUTIL_HWCONTEXT_CUDA_H
#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"

/**
 * @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.
 */

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typedef struct AVCUDADeviceContextInternal AVCUDADeviceContextInternal;

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/**
 * This struct is allocated as AVHWDeviceContext.hwctx
 */
typedef struct AVCUDADeviceContext {
    CUcontext cuda_ctx;
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    CUstream stream;
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    AVCUDADeviceContextInternal *internal;
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} AVCUDADeviceContext;

/**
 * AVHWFramesContext.hwctx is currently not used
 */

#endif /* AVUTIL_HWCONTEXT_CUDA_H */