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/*
Copyright (C) 2023 Grok Image Compression Inc.
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "util.h"
#include "../config.h"
#include "../dcpomatic_log.h"
#include <boost/process.hpp>
#include <future>
using std::string;
using std::vector;
vector<string>
get_gpu_names()
{
namespace bp = boost::process;
auto binary = Config::instance()->grok().binary_location / "gpu_lister";
bp::ipstream stream;
try {
bp::child child(binary, bp::std_out > stream);
string line;
vector<string> gpu_names;
while (child.running() && std::getline(stream, line) && !line.empty()) {
gpu_names.push_back(line);
}
child.wait();
return gpu_names;
} catch (std::exception& e) {
LOG_ERROR("Could not fetch GPU names: {}", e.what());
return {};
}
}
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