FFmpeg
cuda_check.c
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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 
20 #include "libavutil/cuda_check.h"
21 
22 int ff_cuda_check(void *avctx,
23  void *cuGetErrorName_fn,
24  void *cuGetErrorString_fn,
25  CUresult err, const char *func)
26 {
27  const char *err_name;
28  const char *err_string;
29 
30  av_log(avctx, AV_LOG_TRACE, "Calling %s\n", func);
31 
32  if (err == CUDA_SUCCESS)
33  return 0;
34 
35  ((tcuGetErrorName *)cuGetErrorName_fn)(err, &err_name);
36  ((tcuGetErrorString *)cuGetErrorString_fn)(err, &err_string);
37 
38  av_log(avctx, AV_LOG_ERROR, "%s failed", func);
39  if (err_name && err_string)
40  av_log(avctx, AV_LOG_ERROR, " -> %s: %s", err_name, err_string);
41  av_log(avctx, AV_LOG_ERROR, "\n");
42 
43  return AVERROR_EXTERNAL;
44 }
45 
#define AV_LOG_TRACE
Extremely verbose debugging, useful for libav* development.
Definition: log.h:202
#define av_log(a,...)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
int ff_cuda_check(void *avctx, void *cuGetErrorName_fn, void *cuGetErrorString_fn, CUresult err, const char *func)
Wrap a CUDA function call and print error information if it fails.
Definition: cuda_check.c:22
int(* func)(AVBPrint *dst, const char *in, const char *arg)
Definition: jacosubdec.c:67
#define AVERROR_EXTERNAL
Generic error in an external library.
Definition: error.h:57