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-rw-r--r--src/engine/JackActions.cpp88
1 files changed, 88 insertions, 0 deletions
diff --git a/src/engine/JackActions.cpp b/src/engine/JackActions.cpp
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+++ b/src/engine/JackActions.cpp
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+/* This file is part of Machina.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Machina 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.
+ *
+ * Machina 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include "machina/JackActions.hpp"
+#include "machina/JackDriver.hpp"
+
+namespace Machina {
+
+
+/* NOTE ON */
+
+JackNoteOnAction::JackNoteOnAction(WeakPtr<JackDriver> driver,
+ unsigned char note_num)
+ : _driver(driver)
+ , _note_num(note_num)
+{
+}
+
+
+void
+JackNoteOnAction::execute(Timestamp time)
+{
+ SharedPtr<JackDriver> driver = _driver.lock();
+ if (!driver)
+ return;
+
+ const FrameCount nframes = driver->current_cycle_nframes();
+ const FrameCount offset = driver->stamp_to_offset(time);
+
+ //std::cerr << offset << " \tNOTE ON:\t" << (int)_note_num << "\t@ " << time << std::endl;
+
+ jack_midi_data_t ev[] = { 0x80, _note_num, 0x40 };
+
+ jack_midi_event_write(
+ jack_port_get_buffer(driver->output_port(), nframes),
+ offset, ev, 3, nframes);
+}
+
+
+
+/* NOTE OFF */
+
+JackNoteOffAction::JackNoteOffAction(WeakPtr<JackDriver> driver,
+ unsigned char note_num)
+ : _driver(driver)
+ , _note_num(note_num)
+{
+}
+
+
+void
+JackNoteOffAction::execute(Timestamp time)
+{
+ SharedPtr<JackDriver> driver = _driver.lock();
+ if (!driver)
+ return;
+
+ const FrameCount nframes = driver->current_cycle_nframes();
+ const FrameCount offset = driver->stamp_to_offset(time);
+
+ //std::cerr << offset << " \tNOTE OFF:\t" << (int)_note_num << "\t@ " << time << std::endl;
+
+ jack_midi_data_t ev[] = { 0x90, _note_num, 0x40 };
+
+ jack_midi_event_write(
+ jack_port_get_buffer(driver->output_port(), nframes),
+ offset, ev, 3, nframes);
+}
+
+
+} // namespace Machina
+
+