X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fmidi%2B%2B2%2Fmidi%2B%2B%2Fmmc.h;h=caf1605c290ee522b9c614b96b494be3514c47e6;hb=00caabf73583fa029601b7d4e9ccdb9b2da7925c;hp=687d0e14d89d06c2c10f64428da4c7ecbd76f6f5;hpb=aae367b63c9b619db1e40f27dc334c6987219481;p=ardour.git

diff --git a/libs/midi++2/midi++/mmc.h b/libs/midi++2/midi++/mmc.h
index 687d0e14d8..caf1605c29 100644
--- a/libs/midi++2/midi++/mmc.h
+++ b/libs/midi++2/midi++/mmc.h
@@ -1,5 +1,5 @@
 /*
-    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
@@ -20,20 +20,30 @@
 #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,
@@ -50,10 +60,10 @@ class MachineControl
 		cmdChase = 0xB,
 		cmdCommandErrorReset = 0xC,
 		cmdMmcReset = 0xD,
-		
+
 		cmdIllegalMackieJogStart = 0x20,
 		cmdIllegalMackieJogStop = 0x21,
-		
+
 		cmdWrite = 0x40,
 		cmdMaskedWrite = 0x41,
 		cmdRead = 0x42,
@@ -83,25 +93,28 @@ class MachineControl
 		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;
@@ -139,26 +152,30 @@ class MachineControl
 	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)
@@ -167,23 +184,18 @@ class MachineControl
 	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;
@@ -253,17 +265,40 @@ class MachineControl
   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