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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 */