Log error and return if no devices

2018-05-15 22:01:15 +08:00
parent 276406dd1e
commit de0f0d0639
26 changed files with 92 additions and 4 deletions
--- a/samples/device/camera.cc
+++ b/samples/device/camera.cc
@@ -27,6 +27,8 @@ int main(int argc, char *argv[]) {
  glog_init _(argc, argv);

  auto &&device = device::select();
+  if (!device)
+    return 1;
  /*
  {  // auto-exposure
    device->SetOptionValue(Option::EXPOSURE_MODE, 0);