1/* 2 * This file is part of FFmpeg. 3 * 4 * FFmpeg is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU Lesser General Public 6 * License as published by the Free Software Foundation; either 7 * version 2.1 of the License, or (at your option) any later version. 8 * 9 * FFmpeg is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * Lesser General Public License for more details. 13 * 14 * You should have received a copy of the GNU Lesser General Public 15 * License along with FFmpeg; if not, write to the Free Software 16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 17 */ 18 19 20#ifndef AVUTIL_CUDA_CHECK_H 21#define AVUTIL_CUDA_CHECK_H 22 23#include "compat/cuda/dynlink_loader.h" 24#include "error.h" 25 26typedef CUresult CUDAAPI cuda_check_GetErrorName(CUresult error, const char** pstr); 27typedef CUresult CUDAAPI cuda_check_GetErrorString(CUresult error, const char** pstr); 28 29/** 30 * Wrap a CUDA function call and print error information if it fails. 31 */ 32static inline int ff_cuda_check(void *avctx, 33 void *cuGetErrorName_fn, void *cuGetErrorString_fn, 34 CUresult err, const char *func) 35{ 36 const char *err_name; 37 const char *err_string; 38 39 av_log(avctx, AV_LOG_TRACE, "Calling %s\n", func); 40 41 if (err == CUDA_SUCCESS) 42 return 0; 43 44 ((cuda_check_GetErrorName *)cuGetErrorName_fn)(err, &err_name); 45 ((cuda_check_GetErrorString *)cuGetErrorString_fn)(err, &err_string); 46 47 av_log(avctx, AV_LOG_ERROR, "%s failed", func); 48 if (err_name && err_string) 49 av_log(avctx, AV_LOG_ERROR, " -> %s: %s", err_name, err_string); 50 av_log(avctx, AV_LOG_ERROR, "\n"); 51 52 return AVERROR_EXTERNAL; 53} 54 55/** 56 * Convenience wrapper for ff_cuda_check when directly linking libcuda. 57 */ 58 59#define FF_CUDA_CHECK(avclass, x) ff_cuda_check(avclass, cuGetErrorName, cuGetErrorString, (x), #x) 60 61/** 62 * Convenience wrapper for ff_cuda_check when dynamically loading cuda symbols. 63 */ 64 65#define FF_CUDA_CHECK_DL(avclass, cudl, x) ff_cuda_check(avclass, cudl->cuGetErrorName, cudl->cuGetErrorString, (x), #x) 66 67#endif /* AVUTIL_CUDA_CHECK_H */ 68