/*
- Copyright (C) 2000 Paul Davis
+ Copyright (C) 2000 Paul 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
#include <string>
#include <vector>
#include <cmath>
-#include <sigc++/signal.h>
-#include <jack/jack.h>
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
#include "pbd/fastlog.h"
#include "pbd/undo.h"
-#include "pbd/statefuldestructible.h"
+#include "pbd/statefuldestructible.h"
#include "pbd/controllable.h"
#include "ardour/ardour.h"
-#include "ardour/automatable_controls.h"
#include "ardour/automation_control.h"
#include "ardour/bundle.h"
#include "ardour/chan_count.h"
#include "ardour/latent.h"
#include "ardour/port_set.h"
#include "ardour/session_object.h"
+#include "ardour/libardour_visibility.h"
#include "ardour/types.h"
#include "ardour/utils.h"
+#include "ardour/buffer_set.h"
class XMLNode;
class Amp;
class AudioEngine;
class AudioPort;
-class BufferSet;
class Bundle;
class MidiPort;
-class Panner;
class PeakMeter;
class Port;
+class Processor;
class Session;
class UserBundle;
-/** A collection of input and output ports with connections.
+/** A collection of ports (all input or all output) with connections.
*
* An IO can contain ports of varying types, making routes/inserts/etc with
* varied combinations of types (eg MIDI and audio) possible.
*/
-class IO : public SessionObject, public AutomatableControls, public Latent
+class LIBARDOUR_API IO : public SessionObject, public Latent
{
public:
static const std::string state_node_name;
- IO (Session&, const std::string& name, DataType default_type = DataType::AUDIO);
- IO (Session&, const XMLNode&, DataType default_type = DataType::AUDIO);
-
- virtual ~IO();
-
- bool active() const { return _active; }
- void set_active (bool yn);
-
- DataType default_type() const { return _default_type; }
- void set_default_type(DataType t) { _default_type = t; }
-
- bool set_name (const std::string& str);
-
- virtual void silence (nframes_t);
-
- void collect_input (BufferSet& bufs, nframes_t nframes, ChanCount offset=ChanCount::ZERO);
- void deliver_output (BufferSet& bufs, sframes_t start_frame, sframes_t end_frame, nframes_t nframes);
- void just_meter_input (sframes_t start_frame, sframes_t end_frame, nframes_t nframes);
-
- BufferSet& output_buffers() { return *_output_buffers; }
-
- gain_t gain () const { return _gain_control->user_float(); }
- virtual gain_t effective_gain () const;
-
- void set_denormal_protection (bool yn, void *src);
- bool denormal_protection() const { return _denormal_protection; }
-
- void set_phase_invert (bool yn, void *src);
- bool phase_invert() const { return _phase_invert; }
+ enum Direction {
+ Input,
+ Output
+ };
- void reset_panner ();
-
- boost::shared_ptr<Amp> amp() const { return _amp; }
+ IO (Session&, const std::string& name, Direction, DataType default_type = DataType::AUDIO, bool sendish = false);
+ IO (Session&, const XMLNode&, DataType default_type = DataType::AUDIO, bool sendish = false);
- PeakMeter& peak_meter() { return *_meter.get(); }
- const PeakMeter& peak_meter() const { return *_meter.get(); }
- boost::shared_ptr<PeakMeter> shared_peak_meter() const { return _meter; }
+ virtual ~IO();
- boost::shared_ptr<Panner> panner() const { return _panner; }
-
- int ensure_io (ChanCount in, ChanCount out, bool clear, void *src);
+ Direction direction() const { return _direction; }
- int connect_input_ports_to_bundle (boost::shared_ptr<Bundle>, void *);
- int disconnect_input_ports_from_bundle (boost::shared_ptr<Bundle>, void *);
- int connect_output_ports_to_bundle (boost::shared_ptr<Bundle>, void *);
- int disconnect_output_ports_from_bundle (boost::shared_ptr<Bundle>, void *);
+ DataType default_type() const { return _default_type; }
+ void set_default_type(DataType t) { _default_type = t; }
- BundleList bundles_connected_to_inputs ();
- BundleList bundles_connected_to_outputs ();
+ bool active() const { return _active; }
+ void set_active(bool yn) { _active = yn; }
- boost::shared_ptr<Bundle> bundle_for_inputs () { return _bundle_for_inputs; }
- boost::shared_ptr<Bundle> bundle_for_outputs () { return _bundle_for_outputs; }
-
- int add_input_port (std::string source, void *src, DataType type = DataType::NIL);
- int add_output_port (std::string destination, void *src, DataType type = DataType::NIL);
+ bool set_name (const std::string& str);
+ void set_pretty_name (const std::string& str);
+ std::string pretty_name () const { return _pretty_name_prefix; }
- int remove_input_port (Port *, void *src);
- int remove_output_port (Port *, void *src);
+ virtual void silence (framecnt_t);
+ void increment_port_buffer_offset (pframes_t offset);
- int set_input (Port *, void *src);
+ int ensure_io (ChanCount cnt, bool clear, void *src);
- int connect_input (Port *our_port, std::string other_port, void *src);
- int connect_output (Port *our_port, std::string other_port, void *src);
+ int connect_ports_to_bundle (boost::shared_ptr<Bundle>, bool exclusive, void *);
+ int disconnect_ports_from_bundle (boost::shared_ptr<Bundle>, void *);
- int disconnect_input (Port *our_port, std::string other_port, void *src);
- int disconnect_output (Port *our_port, std::string other_port, void *src);
+ BundleList bundles_connected ();
- int disconnect_inputs (void *src);
- int disconnect_outputs (void *src);
+ boost::shared_ptr<Bundle> bundle () { return _bundle; }
+ int add_port (std::string connection, void *src, DataType type = DataType::NIL);
+ int remove_port (boost::shared_ptr<Port>, void *src);
+ int connect (boost::shared_ptr<Port> our_port, std::string other_port, void *src);
+ int disconnect (boost::shared_ptr<Port> our_port, std::string other_port, void *src);
+ int disconnect (void *src);
bool connected_to (boost::shared_ptr<const IO>) const;
+ bool connected_to (const std::string&) const;
+ bool connected () const;
+ bool physically_connected () const;
- nframes_t signal_latency() const { return _own_latency; }
- nframes_t output_latency() const;
- nframes_t input_latency() const;
- void set_port_latency (nframes_t);
-
- void update_port_total_latencies ();
+ framecnt_t signal_latency () const { return 0; }
+ framecnt_t latency () const;
- const PortSet& inputs() const { return _inputs; }
- const PortSet& outputs() const { return _outputs; }
+ PortSet& ports() { return _ports; }
+ const PortSet& ports() const { return _ports; }
- Port *output (uint32_t n) const {
- if (n < _outputs.num_ports()) {
- return _outputs.port(n);
- } else {
- return 0;
- }
- }
+ bool has_port (boost::shared_ptr<Port>) const;
- Port *input (uint32_t n) const {
- if (n < _inputs.num_ports()) {
- return _inputs.port(n);
+ boost::shared_ptr<Port> nth (uint32_t n) const {
+ if (n < _ports.num_ports()) {
+ return _ports.port(n);
} else {
- return 0;
+ return boost::shared_ptr<Port> ();
}
}
- AudioPort* audio_input(uint32_t n) const;
- AudioPort* audio_output(uint32_t n) const;
- MidiPort* midi_input(uint32_t n) const;
- MidiPort* midi_output(uint32_t n) const;
+ boost::shared_ptr<Port> port_by_name (const std::string& str) const;
- const ChanCount& n_inputs () const { return _inputs.count(); }
- const ChanCount& n_outputs () const { return _outputs.count(); }
+ boost::shared_ptr<AudioPort> audio(uint32_t n) const;
+ boost::shared_ptr<MidiPort> midi(uint32_t n) const;
- void attach_buffers(ChanCount ignored);
-
- sigc::signal<void> active_changed;
+ const ChanCount& n_ports () const { return _ports.count(); }
- sigc::signal<void,IOChange,void*> input_changed;
- sigc::signal<void,IOChange,void*> output_changed;
+ /* The process lock will be held on emission of this signal if
+ * IOChange contains ConfigurationChanged. In other cases,
+ * the process lock status is undefined.
+ */
+ PBD::Signal2<void, IOChange, void *> changed;
virtual XMLNode& state (bool full);
XMLNode& get_state (void);
- int set_state (const XMLNode&);
-
- static int disable_connecting (void);
- static int enable_connecting (void);
- static int disable_ports (void);
- static int enable_ports (void);
- static int disable_panners (void);
- static int reset_panners (void);
-
- static sigc::signal<int> PortsLegal;
- static sigc::signal<int> PannersLegal;
- static sigc::signal<int> ConnectingLegal;
- /// raised when the number of input or output ports changes
- static sigc::signal<void,ChanCount> PortCountChanged;
- static sigc::signal<void,nframes_t> CycleStart;
-
- static void update_meters();
- static std::string name_from_state (const XMLNode&);
- static void set_name_in_state (XMLNode&, const std::string&);
-
- private:
-
- static sigc::signal<void> Meter;
- static Glib::StaticMutex m_meter_signal_lock;
- sigc::connection m_meter_connection;
-
- public:
-
- /* automation */
-
- struct GainControl : public AutomationControl {
- GainControl (std::string name, IO* i, const Evoral::Parameter ¶m,
- boost::shared_ptr<AutomationList> al = boost::shared_ptr<AutomationList>() )
- : AutomationControl (i->_session, param, al, name )
- , _io (i)
- {}
-
- void set_value (float val);
- float get_value (void) const;
-
- IO* _io;
+ int set_state (const XMLNode&, int version);
+ int set_state_2X (const XMLNode&, int, bool);
+ static void prepare_for_reset (XMLNode&, const std::string&);
+
+ class BoolCombiner {
+ public:
+
+ typedef bool result_type;
+
+ template <typename Iter>
+ result_type operator() (Iter first, Iter last) const {
+ bool r = false;
+ while (first != last) {
+ if (*first) {
+ r = true;
+ }
+ ++first;
+ }
+
+ return r;
+ }
};
- boost::shared_ptr<GainControl> gain_control() {
- return _gain_control;
- }
- boost::shared_ptr<const GainControl> gain_control() const {
- return _gain_control;
- }
+ /** Emitted when the port count is about to change. Objects
+ * can attach to this, and return `true' if they want to prevent
+ * the change from happening.
+ */
+ PBD::Signal1<bool, ChanCount, BoolCombiner> PortCountChanging;
- void clear_automation ();
-
- void set_parameter_automation_state (Evoral::Parameter, AutoState);
+ static int disable_connecting ();
+ static int enable_connecting ();
- virtual void transport_stopped (nframes_t now);
- virtual void automation_snapshot (nframes_t now, bool force);
+ static PBD::Signal1<void, ChanCount> PortCountChanged; // emitted when the number of ports changes
- void start_pan_touch (uint32_t which);
- void end_pan_touch (uint32_t which);
-
- void defer_pan_reset ();
- void allow_pan_reset ();
+ static std::string name_from_state (const XMLNode&);
+ static void set_name_in_state (XMLNode&, const std::string&);
- /* the session calls this for master outs before
- anyone else. controls outs too, at some point.
+ /* we have to defer/order port connection. this is how we do it.
*/
+ static PBD::Signal0<int> ConnectingLegal;
+ static bool connecting_legal;
+
XMLNode *pending_state_node;
- int ports_became_legal ();
+ int pending_state_node_version;
+ bool pending_state_node_in;
- private:
- mutable Glib::Mutex io_lock;
+ /* three utility functions - this just seems to be simplest place to put them */
- protected:
- BufferSet* _output_buffers; //< Set directly to output port buffers
- bool _active;
- gain_t _gain;
- Glib::Mutex declick_lock;
- PortSet _outputs;
- PortSet _inputs;
- bool no_panner_reset;
- bool _phase_invert;
- bool _denormal_protection;
- XMLNode* deferred_state;
- DataType _default_type;
- nframes_t _output_offset;
-
- boost::shared_ptr<Amp> _amp;
- boost::shared_ptr<PeakMeter> _meter;
- boost::shared_ptr<Panner> _panner;
-
- virtual void prepare_inputs (nframes_t nframes);
- virtual void flush_outputs (nframes_t nframes);
-
- virtual void set_deferred_state() {}
-
- virtual uint32_t pans_required() const
- { return _inputs.count().n_audio(); }
-
- boost::shared_ptr<GainControl> _gain_control;
-
- virtual void set_gain (gain_t g, void *src);
- void inc_gain (gain_t delta, void *src);
-
- virtual int load_automation (std::string path);
+ void collect_input (BufferSet& bufs, pframes_t nframes, ChanCount offset);
+ void process_input (boost::shared_ptr<Processor>, framepos_t start_frame, framepos_t end_frame, pframes_t nframes);
+ void copy_to_outputs (BufferSet& bufs, DataType type, pframes_t nframes, framecnt_t offset);
/* AudioTrack::deprecated_use_diskstream_connections() needs these */
- int set_inputs (const std::string& str);
- int set_outputs (const std::string& str);
-
- void increment_output_offset (nframes_t);
- void cycle_start (nframes_t);
-
- static bool connecting_legal;
- static bool ports_legal;
+ int set_ports (const std::string& str);
private:
- static bool panners_legal;
+ mutable Glib::Threads::Mutex io_lock;
- void copy_to_outputs (BufferSet& bufs, DataType type, nframes_t nframes);
+ protected:
+ PortSet _ports;
+ Direction _direction;
+ DataType _default_type;
+ bool _active;
+ bool _sendish;
+ private:
int connecting_became_legal ();
- int panners_became_legal ();
- sigc::connection connection_legal_c;
- sigc::connection port_legal_c;
- sigc::connection panner_legal_c;
+ PBD::ScopedConnection connection_legal_c;
- boost::shared_ptr<Bundle> _bundle_for_inputs; ///< a bundle representing our inputs
- boost::shared_ptr<Bundle> _bundle_for_outputs; ///< a bundle representing our outputs
+ boost::shared_ptr<Bundle> _bundle; ///< a bundle representing our ports
struct UserBundleInfo {
UserBundleInfo (IO*, boost::shared_ptr<UserBundle> b);
-
boost::shared_ptr<UserBundle> bundle;
- sigc::connection changed;
+ PBD::ScopedConnection changed;
};
-
- std::vector<UserBundleInfo> _bundles_connected_to_outputs; ///< user bundles connected to our outputs
- std::vector<UserBundleInfo> _bundles_connected_to_inputs; ///< user bundles connected to our inputs
- static int parse_io_string (const std::string&, std::vector<std::string>& chns);
+ std::vector<UserBundleInfo*> _bundles_connected; ///< user bundles connected to our ports
+ static int parse_io_string (const std::string&, std::vector<std::string>& chns);
static int parse_gain_string (const std::string&, std::vector<std::string>& chns);
-
- int set_sources (std::vector<std::string>&, void *src, bool add);
- int set_destinations (std::vector<std::string>&, void *src, bool add);
- int ensure_inputs (ChanCount, bool clear, bool lockit, void *src);
- int ensure_outputs (ChanCount, bool clear, bool lockit, void *src);
+ int ensure_ports (ChanCount, bool clear, void *src);
- void check_bundles_connected_to_inputs ();
- void check_bundles_connected_to_outputs ();
- void check_bundles (std::vector<UserBundleInfo>&, const PortSet&);
+ void check_bundles_connected ();
void bundle_changed (Bundle::Change);
+ int get_port_counts (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c);
+ int get_port_counts_2X (const XMLNode& node, int version, ChanCount& n, boost::shared_ptr<Bundle>& c);
+ int create_ports (const XMLNode&, int version);
+ int make_connections (const XMLNode&, int, bool);
+ int make_connections_2X (const XMLNode &, int, bool);
- int get_port_counts (const XMLNode& node, ChanCount& in, ChanCount& out,
- boost::shared_ptr<Bundle>& ic, boost::shared_ptr<Bundle>& oc);
- int create_ports (const XMLNode&);
- int make_connections (const XMLNode&);
- boost::shared_ptr<Bundle> find_possible_bundle (const std::string &desired_name, const std::string &default_name, const std::string &connection_type_name);
+ boost::shared_ptr<Bundle> find_possible_bundle (const std::string &desired_name);
- virtual void setup_peak_meters ();
- void meter ();
+ int ensure_ports_locked (ChanCount, bool clear, bool& changed);
- bool ensure_inputs_locked (ChanCount, bool clear, void *src);
- bool ensure_outputs_locked (ChanCount, bool clear, void *src);
+ std::string build_legal_port_name (DataType type);
+ int32_t find_port_hole (const char* base);
- std::string build_legal_port_name (DataType type, bool for_input);
- int32_t find_input_port_hole (const char* base);
- int32_t find_output_port_hole (const char* base);
+ void setup_bundle ();
+ std::string bundle_channel_name (uint32_t, uint32_t, DataType) const;
- void setup_bundles_for_inputs_and_outputs ();
- void setup_bundle_for_inputs ();
- void setup_bundle_for_outputs ();
- std::string bundle_channel_name (uint32_t, uint32_t) const;
+ void apply_pretty_name ();
+ std::string _pretty_name_prefix;
+ BufferSet _buffers;
+ void disconnect_check (boost::shared_ptr<ARDOUR::Port>, boost::shared_ptr<ARDOUR::Port>);
};
} // namespace ARDOUR
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