/*
  * 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_CUDA_CHECK_H
 #define AVUTIL_CUDA_CHECK_H

 typedef CUresult CUDAAPI cuda_check_GetErrorName(CUresult error, const char** pstr);
 typedef CUresult CUDAAPI cuda_check_GetErrorString(CUresult error, const char** pstr);
 

 /**
  * Wrap a CUDA function call and print error information if it fails.
  */

 static inline int ff_cuda_check(void *avctx,
                                 void *cuGetErrorName_fn, void *cuGetErrorString_fn,
                                 CUresult err, const char *func)
 {
     const char *err_name;
     const char *err_string;

     av_log(avctx, AV_LOG_TRACE, "Calling %s\n", func);
 
     if (err == CUDA_SUCCESS)
         return 0;
 

     ((cuda_check_GetErrorName *)cuGetErrorName_fn)(err, &err_name);
     ((cuda_check_GetErrorString *)cuGetErrorString_fn)(err, &err_string);

 
     av_log(avctx, AV_LOG_ERROR, "%s failed", func);
     if (err_name && err_string)
         av_log(avctx, AV_LOG_ERROR, " -> %s: %s", err_name, err_string);
     av_log(avctx, AV_LOG_ERROR, "\n");
 
     return AVERROR_EXTERNAL;
 }

 
 /**
  * Convenience wrapper for ff_cuda_check when directly linking libcuda.
  */
 
 #define FF_CUDA_CHECK(avclass, x) ff_cuda_check(avclass, cuGetErrorName, cuGetErrorString, (x), #x)
 
 /**
  * Convenience wrapper for ff_cuda_check when dynamically loading cuda symbols.
  */
 
 #define FF_CUDA_CHECK_DL(avclass, cudl, x) ff_cuda_check(avclass, cudl->cuGetErrorName, cudl->cuGetErrorString, (x), #x)
 

 #endif /* AVUTIL_CUDA_CHECK_H */