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/*
Copyright (C) 2006 Paul Davis
Written by Dave Robillard
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_midi_track_h__
#define __ardour_midi_track_h__
#include "ardour/track.h"
#include "ardour/midi_ring_buffer.h"
#include "ardour/midi_state_tracker.h"
namespace ARDOUR
{
class Session;
class MidiDiskstream;
class MidiPlaylist;
class RouteGroup;
class SMFSource;
class MidiTrack : public Track
{
public:
MidiTrack (Session&, string name, Route::Flag f = Route::Flag (0), TrackMode m = Normal);
~MidiTrack ();
int roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
int declick, bool can_record, bool rec_monitors_input, bool& need_butler);
void realtime_handle_transport_stopped ();
void use_new_diskstream ();
void set_diskstream (boost::shared_ptr<Diskstream>);
void set_record_enabled (bool yn, void *src);
DataType data_type () const {
return DataType::MIDI;
}
void set_latency_delay (framecnt_t);
int export_stuff (BufferSet& bufs, framecnt_t nframes, framepos_t end_frame);
void freeze_me (InterThreadInfo&);
void unfreeze ();
boost::shared_ptr<Region> bounce (InterThreadInfo&);
boost::shared_ptr<Region> bounce_range (
framepos_t start, framepos_t end, InterThreadInfo&, bool enable_processing
);
int set_state(const XMLNode&, int version);
void midi_panic(void);
bool write_immediate_event(size_t size, const uint8_t* buf);
/** A control that will send "immediate" events to a MIDI track when twiddled */
struct MidiControl : public AutomationControl {
MidiControl(MidiTrack* route, const Evoral::Parameter& param,
boost::shared_ptr<AutomationList> al = boost::shared_ptr<AutomationList>())
: AutomationControl (route->session(), param, al)
, _route (route)
{}
void set_value (double val);
MidiTrack* _route;
};
NoteMode note_mode() const { return _note_mode; }
void set_note_mode (NoteMode m);
bool step_editing() const { return _step_editing; }
void set_step_editing (bool yn);
MidiRingBuffer<framepos_t>& step_edit_ring_buffer() { return _step_edit_ring_buffer; }
PBD::Signal1<void,bool> StepEditStatusChange;
uint8_t default_channel() const { return _default_channel; }
void set_default_channel (uint8_t chn);
bool midi_thru() const { return _midi_thru; }
void set_midi_thru (bool yn);
boost::shared_ptr<SMFSource> write_source (uint32_t n = 0);
void set_channel_mode (ChannelMode, uint16_t);
ChannelMode get_channel_mode ();
uint16_t get_channel_mask ();
boost::shared_ptr<MidiPlaylist> midi_playlist ();
bool bounceable () const {
return false;
}
PBD::Signal2<void, boost::shared_ptr<MidiBuffer>, boost::weak_ptr<MidiSource> > DataRecorded;
protected:
XMLNode& state (bool full);
int _set_state (const XMLNode&, int, bool call_base);
bool should_monitor () const;
bool send_silence () const;
private:
boost::shared_ptr<MidiDiskstream> midi_diskstream () const;
void write_out_of_band_data (BufferSet& bufs, framepos_t start_frame, framepos_t end_frame, framecnt_t nframes);
void set_state_part_two ();
void set_state_part_three ();
MidiRingBuffer<framepos_t> _immediate_events;
MidiRingBuffer<framepos_t> _step_edit_ring_buffer;
NoteMode _note_mode;
bool _step_editing;
uint8_t _default_channel;
bool _midi_thru;
int no_roll (pframes_t nframes, framepos_t start_frame, framepos_t end_frame,
bool state_changing, bool can_record, bool rec_monitors_input);
void push_midi_input_to_step_edit_ringbuffer (framecnt_t nframes);
void diskstream_data_recorded (boost::shared_ptr<MidiBuffer>, boost::weak_ptr<MidiSource>);
PBD::ScopedConnection _diskstream_data_recorded_connection;
};
} /* namespace ARDOUR*/
#endif /* __ardour_midi_track_h__ */
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