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ffmpeg-4.2.2/libavutil/hwcontext_cuda.h 1.45 KB
aac5773f   hucm   功能基本完成,接口待打磨
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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
   */
  
  #endif /* AVUTIL_HWCONTEXT_CUDA_H */