xref: /third_party/ffmpeg/libavutil/cuda_check.h (revision cabdff1a) 
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