Move select device to utils

tools/dataset/record.cc

@@ -3,8 +3,8 @@
 
 #include "mynteye/glog_init.h"
 
-#include "mynteye/context.h"
 #include "mynteye/device.h"
+#include "mynteye/utils.h"
 
 #include "mynteye/times.h"
 
@@ -15,38 +15,7 @@ MYNTEYE_USE_NAMESPACE
 int main(int argc, char *argv[]) {
   glog_init _(argc, argv);
 
-  LOG(INFO) << "Detecting MYNT EYE devices";
-  Context context;
-  auto &&devices = context.devices();
-
-  size_t n = devices.size();
-  LOG_IF(FATAL, n <= 0) << "No MYNT EYE devices :(";
-
-  LOG(INFO) << "MYNT EYE devices:";
-  for (size_t i = 0; i < n; i++) {
-    auto &&device = devices[i];
-    auto &&name = device->GetInfo(Info::DEVICE_NAME);
-    LOG(INFO) << "  index: " << i << ", name: " << name;
-  }
-
-  std::shared_ptr<Device> device = nullptr;
-  if (n <= 1) {
-    device = devices[0];
-    LOG(INFO) << "Only one MYNT EYE device, select index: 0";
-  } else {
-    while (true) {
-      size_t i;
-      LOG(INFO) << "There are " << n << " MYNT EYE devices, select index: ";
-      std::cin >> i;
-      if (i >= n) {
-        LOG(WARNING) << "Index out of range :(";
-        continue;
-      }
-      device = devices[i];
-      break;
-    }
-  }
-
+  auto &&device = device::select();
   /*
   {  // auto-exposure
     device->SetOptionValue(Option::EXPOSURE_MODE, 0);