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-rw-r--r--src/tools/dcpomatic_disk.cc25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/tools/dcpomatic_disk.cc b/src/tools/dcpomatic_disk.cc
index b94d4bf94..7bea4d8e9 100644
--- a/src/tools/dcpomatic_disk.cc
+++ b/src/tools/dcpomatic_disk.cc
@@ -210,6 +210,31 @@ private:
DCPOMATIC_ASSERT (_drive->GetSelection() != wxNOT_FOUND);
DCPOMATIC_ASSERT (static_cast<bool>(_dcp_path));
+ bool have_writer = true;
+ if (!_nanomsg.send(DISK_WRITER_PING "\n", 2000)) {
+ have_writer = false;
+ } else {
+ optional<string> reply = _nanomsg.receive (2000);
+ if (!reply || *reply != DISK_WRITER_PONG) {
+ have_writer = false;
+ }
+ }
+
+ if (!have_writer) {
+#ifdef DCPOMATIC_WINDOWS
+ MessageDialog* m = new MessageDialog (
+ this,
+ _("DCP-o-matic Disk Writer"),
+ _("Do you see a 'User Account Control' dialogue asking about dcpomatic2_disk_writer.exe? If so, click 'Yes', then try again.")
+ );
+ m->ShowModal ();
+ m->Destroy ();
+ return;
+#else
+ throw CommunicationFailedError ();
+#endif
+ }
+
Drive const& drive = _drives[_drive->GetSelection()];
if (drive.mounted()) {
TryUnmountDialog* d = new TryUnmountDialog(this, drive.description());