/*
- Copyright (C) 2000 Paul Barton-Davis
+ Copyright (C) 2000 Paul Barton-Davis
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
#ifndef __midipp_mmc_h_h__
#define __midipp_mmc_h_h__
+#include "timecode/time.h"
+
#include "pbd/signals.h"
+#include "pbd/ringbuffer.h"
+
+#include "midi++/libmidi_visibility.h"
#include "midi++/types.h"
+#include "midi++/parser.h"
+
+namespace ARDOUR {
+ class PortEngine;
+}
namespace MIDI {
class Port;
class Parser;
+class MachineControlCommand;
-class MachineControl
+/** Class to handle incoming and outgoing MIDI machine control messages */
+class LIBMIDIPP_API MachineControl
{
public:
typedef PBD::Signal1<void,MachineControl&> MMCSignal;
- typedef byte CommandSignature[60];
- typedef byte ResponseSignature[60];
enum Command {
cmdStop = 0x1,
cmdChase = 0xB,
cmdCommandErrorReset = 0xC,
cmdMmcReset = 0xD,
-
+
cmdIllegalMackieJogStart = 0x20,
cmdIllegalMackieJogStop = 0x21,
-
+
cmdWrite = 0x40,
cmdMaskedWrite = 0x41,
cmdRead = 0x42,
cmdWait = 0x7C,
cmdResume = 0x7F
};
-
- MachineControl (Port &port,
- float MMCVersion,
- CommandSignature &cs,
- ResponseSignature &rs);
-
- Port &port() { return _port; }
-
+
+ MachineControl ();
+
+ void set_ports (MIDI::Port* input, MIDI::Port* output);
+
+ Port* input_port() { return _input_port; }
+ Port* output_port() { return _output_port; }
+
void set_receive_device_id (byte id);
void set_send_device_id (byte id);
byte receive_device_id () const { return _receive_device_id; }
byte send_device_id () const { return _send_device_id; }
+ void enable_send (bool);
+ bool send_enabled () const { return _enable_send; }
+ void send (MachineControlCommand const &, timestamp_t when);
static bool is_mmc (byte *sysex_buf, size_t len);
/* Signals to connect to if you want to run "callbacks"
when certain MMC commands are received.
*/
-
+
MMCSignal Stop;
MMCSignal Play;
MMCSignal DeferredPlay;
MMCSignal Wait;
MMCSignal Resume;
+ PBD::Signal0<void> SPPStart;
+ PBD::Signal0<void> SPPContinue;
+ PBD::Signal0<void> SPPStop;
+
/* The second argument is the shuttle speed, the third is
true if the direction is "forwards", false for "reverse"
*/
-
+
PBD::Signal3<void,MachineControl&,float,bool> Shuttle;
/* The second argument specifies the desired track record enabled
status.
*/
- PBD::Signal3<void,MachineControl &,size_t,bool>
+ PBD::Signal3<void,MachineControl &,size_t,bool>
TrackRecordStatusChange;
-
+
/* The second argument specifies the desired track record enabled
status.
*/
- PBD::Signal3<void,MachineControl &,size_t,bool>
+ PBD::Signal3<void,MachineControl &,size_t,bool>
TrackMuteChange;
-
+
/* The second argument points to a byte array containing
the locate target value in MMC Standard Time Code
format (5 bytes, roughly: hrs/mins/secs/frames/subframes)
PBD::Signal2<void,MachineControl &, const byte *> Locate;
/* The second argument is the number of steps to jump */
-
+
PBD::Signal2<void,MachineControl &, int> Step;
-
- protected:
#define MMC_NTRACKS 48
- /* MMC Information fields (think "registers") */
-
- CommandSignature commandSignature;
- ResponseSignature responseSignature;
+ /* note: these are not currently in use */
byte updateRate;
byte responseError;
byte commandError;
byte commandErrorLevel;
-
+
byte motionControlTally;
byte velocityTally;
byte stopMode;
private:
byte _receive_device_id;
byte _send_device_id;
- MIDI::Port &_port;
+ Port* _input_port;
+ Port* _output_port;
+ bool _enable_send; ///< true if MMC sending is enabled
void process_mmc_message (Parser &p, byte *, size_t len);
- PBD::ScopedConnection mmc_connection;
+ PBD::ScopedConnectionList port_connections; ///< connections to our parser for incoming data
int do_masked_write (byte *, size_t len);
int do_locate (byte *, size_t len);
int do_step (byte *, size_t len);
int do_shuttle (byte *, size_t len);
-
+
void write_track_status (byte *, size_t len, byte reg);
+ void spp_start ();
+ void spp_continue ();
+ void spp_stop ();
+};
+
+/** Class to describe a MIDI machine control command to be sent.
+ * In an ideal world we might use a class hierarchy for this, but objects of this type
+ * have to be allocated off the stack for RT safety.
+ */
+class LIBMIDIPP_API MachineControlCommand
+{
+public:
+ MachineControlCommand () : _command (MachineControl::Command (0)) {}
+ MachineControlCommand (MachineControl::Command);
+ MachineControlCommand (Timecode::Time);
+
+ MIDI::byte* fill_buffer (MachineControl *mmc, MIDI::byte *) const;
+
+private:
+ MachineControl::Command _command;
+ Timecode::Time _time;
};
} // namespace MIDI