#include <glibmm/threads.h>
-#include <jack/jack.h>
+#include <ltc.h>
#include "pbd/signals.h"
#include "timecode/time.h"
-#include "ltc/ltc.h"
+#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "midi++/parser.h"
#include "midi++/types.h"
* Therefore it is rather that class, that makes ARDOUR a slave by connecting it
* to its external time master.
*/
-class Slave {
+class LIBARDOUR_API Slave {
public:
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.
};
/// We need this wrapper for testability, it's just too hard to mock up a session class
-class ISlaveSessionProxy {
+class LIBARDOUR_API ISlaveSessionProxy {
public:
virtual ~ISlaveSessionProxy() {}
- virtual TempoMap& tempo_map() const { return *((TempoMap *) 0); }
- virtual framecnt_t frame_rate() const { return 0; }
- virtual framepos_t audible_frame () const { return 0; }
- virtual framepos_t transport_frame () const { return 0; }
- virtual pframes_t frames_since_cycle_start () const { return 0; }
- virtual framepos_t frame_time () const { return 0; }
+ virtual TempoMap& tempo_map() const { return *((TempoMap *) 0); }
+ virtual framecnt_t frame_rate() const { return 0; }
+ virtual pframes_t frames_per_cycle() const { return 0; }
+ virtual framepos_t audible_frame () const { return 0; }
+ virtual framepos_t transport_frame () const { return 0; }
+ virtual pframes_t frames_since_cycle_start () const { return 0; }
+ virtual framepos_t sample_time_at_cycle_start() const { return 0; }
+ virtual framepos_t frame_time () const { return 0; }
virtual void request_locate (framepos_t /*frame*/, bool with_roll = false) {
(void) with_roll;
/// The Session Proxy for use in real Ardour
-class SlaveSessionProxy : public ISlaveSessionProxy {
+class LIBARDOUR_API SlaveSessionProxy : public ISlaveSessionProxy {
Session& session;
public:
SlaveSessionProxy(Session &s) : session(s) {}
- TempoMap& tempo_map() const;
- framecnt_t frame_rate() const;
- framepos_t audible_frame () const;
- framepos_t transport_frame () const;
- pframes_t frames_since_cycle_start () const;
- framepos_t frame_time () const;
+ TempoMap& tempo_map() const;
+ framecnt_t frame_rate() const;
+ pframes_t frames_per_cycle() const;
+ framepos_t audible_frame () const;
+ framepos_t transport_frame () const;
+ pframes_t frames_since_cycle_start () const;
+ framepos_t sample_time_at_cycle_start() const;
+ framepos_t frame_time () const;
void request_locate (framepos_t frame, bool with_roll = false);
void request_transport_speed (double speed);
};
-struct SafeTime {
+struct LIBARDOUR_API SafeTime {
volatile int guard1;
framepos_t position;
framepos_t timestamp;
}
};
-class TimecodeSlave : public Slave {
+class LIBARDOUR_API TimecodeSlave : public Slave {
public:
- TimecodeSlave () {}
+ TimecodeSlave () {}
+
+ virtual Timecode::TimecodeFormat apparent_timecode_format() const = 0;
- virtual Timecode::TimecodeFormat apparent_timecode_format() const = 0;
+ /* this is intended to be used by a UI and polled from a timeout. it should
+ return a string describing the current position of the TC source. it
+ should NOT do any computation, but should use a cached value
+ of the TC source position.
+ */
+ virtual std::string approximate_current_position() const = 0;
- /* this is intended to be used by a UI and polled from a timeout. it should
- return a string describing the current position of the TC source. it
- should NOT do any computation, but should use a cached value
- of the TC source position.
- */
- virtual std::string approximate_current_position() const = 0;
+ framepos_t timecode_offset;
+ bool timecode_negative_offset;
- framepos_t timecode_offset;
- bool timecode_negative_offset;
+ PBD::Signal1<void, bool> ActiveChanged;
};
-class MTC_Slave : public TimecodeSlave {
+class LIBARDOUR_API MTC_Slave : public TimecodeSlave {
public:
MTC_Slave (Session&, MidiPort&);
~MTC_Slave ();
void rebind (MidiPort&);
- int process (pframes_t);
bool speed_and_position (double&, framepos_t&);
bool locked() const;
private:
Session& session;
MidiPort* port;
- MIDI::Parser parser;
PBD::ScopedConnectionList port_connections;
PBD::ScopedConnection config_connection;
bool can_notify_on_unknown_rate;
void parameter_changed(std::string const & p);
};
-class LTC_Slave : public TimecodeSlave {
+class LIBARDOUR_API LTC_Slave : public TimecodeSlave {
public:
LTC_Slave (Session&);
~LTC_Slave ();
std::string approximate_current_delta() const;
private:
- void parse_ltc(const jack_nframes_t, const jack_default_audio_sample_t * const, const framecnt_t);
+ void parse_ltc(const pframes_t, const Sample* const, const framecnt_t);
void process_ltc(framepos_t const);
void init_engine_dll (framepos_t, int32_t);
bool detect_discontinuity(LTCFrameExt *, int, bool);
int ltc_detect_fps_cnt;
int ltc_detect_fps_max;
bool printed_timecode_warning;
+ bool sync_lock_broken;
Timecode::TimecodeFormat ltc_timecode;
Timecode::TimecodeFormat a3e_timecode;
double b, c; ///< DLL filter coefficients
};
-class MIDIClock_Slave : public Slave {
+class LIBARDOUR_API MIDIClock_Slave : public Slave {
public:
MIDIClock_Slave (Session&, MidiPort&, int ppqn = 24);
~MIDIClock_Slave ();
void rebind (MidiPort&);
- int process (pframes_t);
bool speed_and_position (double&, framepos_t&);
bool locked() const;
protected:
ISlaveSessionProxy* session;
- MidiPort* port;
- MIDI::Parser parser;
PBD::ScopedConnectionList port_connections;
/// pulses per quarter note for one MIDI clock frame (default 24)
bool _starting;
};
-class JACK_Slave : public Slave
+class LIBARDOUR_API Engine_Slave : public Slave
{
public:
- JACK_Slave (AudioEngine&);
- ~JACK_Slave ();
+ Engine_Slave (AudioEngine&);
+ ~Engine_Slave ();
bool speed_and_position (double& speed, framepos_t& pos);
private:
AudioEngine& engine;
- double speed;
bool _starting;
};
projects / ardour.git / blobdiff