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_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 */
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