1 #ifndef __ardour_session_event_h__
2 #define __ardour_session_event_h__
5 #include <boost/function.hpp>
6 #include <boost/shared_ptr.hpp>
9 #include "pbd/ringbuffer.h"
10 #include "pbd/event_loop.h"
12 #include "ardour/types.h"
34 InputConfigurationChange,
37 AdjustPlaybackBuffering,
38 AdjustCaptureBuffering,
39 SetTimecodeTransmission,
41 /* only one of each of these events can be queued at any one time */
56 framepos_t action_frame;
57 framepos_t target_frame;
63 framepos_t target2_frame;
69 bool second_yes_or_no;
72 /* 4 members to handle a multi-group event handled in RT context */
74 typedef boost::function<void (SessionEvent*)> RTeventCallback;
76 boost::shared_ptr<RouteList> routes; /* apply to */
77 boost::function<void (void)> rt_slot; /* what to call in RT context */
78 RTeventCallback rt_return; /* called after rt_slot, with this event as an argument */
79 PBD::EventLoop* event_loop;
81 std::list<AudioRange> audio_range;
82 std::list<MusicRange> music_range;
84 boost::shared_ptr<Region> region;
86 SessionEvent (Type t, Action a, framepos_t when, framepos_t where, double spd, bool yn = false, bool yn2 = false)
90 , target_frame (where)
93 , second_yes_or_no (yn2)
96 void set_ptr (void* p) {
100 bool before (const SessionEvent& other) const {
101 return action_frame < other.action_frame;
104 bool after (const SessionEvent& other) const {
105 return action_frame > other.action_frame;
108 static bool compare (const SessionEvent *e1, const SessionEvent *e2) {
109 return e1->before (*e2);
112 void* operator new (size_t);
113 void operator delete (void *ptr, size_t /*size*/);
115 static const framepos_t Immediate = 0;
117 static void create_per_thread_pool (const std::string& n, uint32_t nitems);
118 static void init_event_pool ();
121 static PerThreadPool* pool;
122 CrossThreadPool* own_pool;
127 class SessionEventManager {
129 SessionEventManager () : pending_events (2048),
130 auto_loop_event(0), punch_out_event(0), punch_in_event(0) {}
131 virtual ~SessionEventManager() {}
133 virtual void queue_event (SessionEvent *ev) = 0;
134 void clear_events (SessionEvent::Type type);
137 RingBuffer<SessionEvent*> pending_events;
138 typedef std::list<SessionEvent *> Events;
140 Events immediate_events;
141 Events::iterator next_event;
143 /* there can only ever be one of each of these */
145 SessionEvent *auto_loop_event;
146 SessionEvent *punch_out_event;
147 SessionEvent *punch_in_event;
149 void dump_events () const;
150 void merge_event (SessionEvent*);
151 void replace_event (SessionEvent::Type, framepos_t action_frame, framepos_t target = 0);
152 bool _replace_event (SessionEvent*);
153 bool _remove_event (SessionEvent *);
154 void _clear_event_type (SessionEvent::Type);
156 void add_event (framepos_t action_frame, SessionEvent::Type type, framepos_t target_frame = 0);
157 void remove_event (framepos_t frame, SessionEvent::Type type);
159 virtual void process_event(SessionEvent*) = 0;
160 virtual void set_next_event () = 0;
165 #endif /* __ardour_session_event_h__ */