diff options
Diffstat (limited to 'libs/ardour/ardour/slave.h')
| -rw-r--r-- | libs/ardour/ardour/slave.h | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/libs/ardour/ardour/slave.h b/libs/ardour/ardour/slave.h index 4408da2d25..adf425ea43 100644 --- a/libs/ardour/ardour/slave.h +++ b/libs/ardour/ardour/slave.h @@ -40,15 +40,12 @@ #define PLUSMINUS(A) ( ((A)<0) ? "-" : (((A)>0) ? "+" : "\u00B1") ) #define LEADINGZERO(A) ( (A)<10 ? " " : (A)<100 ? " " : (A)<1000 ? " " : "" ) -namespace MIDI { - class Port; -} - namespace ARDOUR { class TempoMap; class Session; class AudioEngine; +class MidiPort; /** * @class Slave @@ -67,6 +64,15 @@ class Slave { Slave() { } virtual ~Slave() {} + /** The slave should read any incoming information in this method + * and use it adjust its current idea of reality. If no such + * processing is required, it does need to be implemented. + * + * @param nframes specifies the number of frames-worth of data that + * can be read from any ports used by the slave. + */ + virtual int process (pframes_t) { return 0; } + /** * This is the most important function to implement: * Each process cycle, Session::follow_slave will call this method. @@ -253,10 +259,11 @@ class TimecodeSlave : public Slave { class MTC_Slave : public TimecodeSlave { public: - MTC_Slave (Session&, MIDI::Port&); + MTC_Slave (Session&, MidiPort&); ~MTC_Slave (); - void rebind (MIDI::Port&); + void rebind (MidiPort&); + int process (pframes_t); bool speed_and_position (double&, framepos_t&); bool locked() const; @@ -274,7 +281,8 @@ class MTC_Slave : public TimecodeSlave { private: Session& session; - MIDI::Port* port; + MidiPort* port; + MIDI::Parser parser; PBD::ScopedConnectionList port_connections; PBD::ScopedConnection config_connection; bool can_notify_on_unknown_rate; @@ -405,13 +413,14 @@ public: class MIDIClock_Slave : public Slave { public: - MIDIClock_Slave (Session&, MIDI::Port&, int ppqn = 24); + MIDIClock_Slave (Session&, MidiPort&, int ppqn = 24); /// Constructor for unit tests MIDIClock_Slave (ISlaveSessionProxy* session_proxy = 0, int ppqn = 24); ~MIDIClock_Slave (); - void rebind (MIDI::Port&); + void rebind (MidiPort&); + int process (pframes_t); bool speed_and_position (double&, framepos_t&); bool locked() const; @@ -427,7 +436,8 @@ class MIDIClock_Slave : public Slave { protected: ISlaveSessionProxy* session; - MIDI::Port* port; + MidiPort* port; + MIDI::Parser parser; PBD::ScopedConnectionList port_connections; /// pulses per quarter note for one MIDI clock frame (default 24) |