Add websockets surface module

1 files changed, 39 insertions, 0 deletions

diff --git a/libs/surfaces/websockets/globals.cc b/libs/surfaces/websockets/globals.cc
new file mode 100644
index 0000000000..decd9ad6c2
--- /dev/null
+++ b/libs/surfaces/websockets/globals.cc
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "ardour/tempo.h"
+
+#include "globals.h"
+
+using namespace ARDOUR;
+
+double
+ArdourGlobals::tempo () const
+{
+    Tempo tempo = session ().tempo_map ().tempo_at_sample (0);
+    return tempo.note_type () * tempo.pulses_per_minute ();
+}
+
+void
+ArdourGlobals::set_tempo (double bpm)
+{
+    bpm = max (0.01, bpm);
+    TempoMap& tempo_map = session ().tempo_map ();
+    Tempo tempo (bpm, tempo_map.tempo_at_sample (0).note_type (), bpm);
+    tempo_map.add_tempo (tempo, 0.0, 0, AudioTime);
+}