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Diffstat (limited to 'src/engine/MidiActions.cpp')
-rw-r--r-- | src/engine/MidiActions.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/engine/MidiActions.cpp b/src/engine/MidiActions.cpp new file mode 100644 index 0000000..8d07c3a --- /dev/null +++ b/src/engine/MidiActions.cpp @@ -0,0 +1,60 @@ +/* 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/MidiAction.hpp" +#include "machina/MidiDriver.hpp" + +namespace Machina { + + +/* NOTE ON */ + +MidiAction(WeakPtr<JackDriver> driver, + size_t size, + unsigned char* event) + : _driver(driver) + , _size(size) + , _event(event) +{ +} + + +void +MidiAction::execute(Timestamp time) +{ + SharedPtr<MidiDriver> driver = _driver.lock(); + if (!driver) + return; + + const FrameCount nframes = driver->current_cycle_nframes(); + const FrameCount offset = driver->stamp_to_offset(time); + + //std::cerr << offset << " \tMIDI @ " << time << std::endl; + + //jack_midi_data_t ev[] = { 0x80, _note_num, 0x40 }; note on + //jack_midi_data_t ev[] = { 0x90, _note_num, 0x40 }; note off + + jack_midi_event_write( + jack_port_get_buffer(driver->output_port(), nframes), + offset, ev, _size, _event); +} + + +} // namespace Machina + + |