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/*
* Copyright (C) 2012 Peng Gao <peng@multicorewareinc.com>
* Copyright (C) 2012 Li Cao <li@multicorewareinc.com>
* Copyright (C) 2012 Wei Gao <weigao@multicorewareinc.com>
*
* 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
*/
#include "opencl_internal.h"
#include "libavutil/log.h"
int avpriv_opencl_set_parameter(FFOpenclParam *opencl_param, ...)
{
int ret = 0;
va_list arg_ptr;
void *param;
size_t param_size;
cl_int status;
if (!opencl_param->kernel) {
av_log(opencl_param->ctx, AV_LOG_ERROR, "OpenCL kernel must be set\n");
return AVERROR(EINVAL);
}
va_start(arg_ptr, opencl_param);
do {
param = va_arg(arg_ptr, void *);
if (!param)
break;
param_size = va_arg(arg_ptr, size_t);
if (!param_size) {
av_log(opencl_param->ctx, AV_LOG_ERROR, "Parameter size must not be 0\n");
ret = AVERROR(EINVAL);
goto end;
}
status = clSetKernelArg(opencl_param->kernel, opencl_param->param_num, param_size, param);
if (status != CL_SUCCESS) {
av_log(opencl_param->ctx, AV_LOG_ERROR, "Cannot set kernel argument: %s\n", av_opencl_errstr(status));
ret = AVERROR_EXTERNAL;
goto end;
}
opencl_param->param_num++;
} while (param && param_size);
end:
va_end(arg_ptr);
return ret;
}
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