/* * 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; }