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"
35 InputConfigurationChange,
38 AdjustPlaybackBuffering,
39 AdjustCaptureBuffering,
40 SetTimecodeTransmission,
42 /* only one of each of these events can be queued at any one time */
57 framepos_t action_frame;
58 framepos_t target_frame;
64 framepos_t target2_frame;
70 bool second_yes_or_no;
73 /* 4 members to handle a multi-group event handled in RT context */
75 typedef boost::function<void (SessionEvent*)> RTeventCallback;
77 boost::shared_ptr<RouteList> routes; /* apply to */
78 boost::function<void (void)> rt_slot; /* what to call in RT context */
79 RTeventCallback rt_return; /* called after rt_slot, with this event as an argument */
80 PBD::EventLoop* event_loop;
82 std::list<AudioRange> audio_range;
83 std::list<MusicRange> music_range;
85 boost::shared_ptr<Region> region;
87 SessionEvent (Type t, Action a, framepos_t when, framepos_t where, double spd, bool yn = false, bool yn2 = false)
91 , target_frame (where)
94 , second_yes_or_no (yn2)
97 void set_ptr (void* p) {
101 bool before (const SessionEvent& other) const {
102 return action_frame < other.action_frame;
105 bool after (const SessionEvent& other) const {
106 return action_frame > other.action_frame;
109 static bool compare (const SessionEvent *e1, const SessionEvent *e2) {
110 return e1->before (*e2);
113 void* operator new (size_t);
114 void operator delete (void *ptr, size_t /*size*/);
116 static const framepos_t Immediate = 0;
118 static void create_per_thread_pool (const std::string& n, uint32_t nitems);
119 static void init_event_pool ();
122 static PerThreadPool* pool;
123 CrossThreadPool* own_pool;
128 class SessionEventManager {
130 SessionEventManager () : pending_events (2048),
131 auto_loop_event(0), punch_out_event(0), punch_in_event(0) {}
132 virtual ~SessionEventManager() {}
134 virtual void queue_event (SessionEvent *ev) = 0;
135 void clear_events (SessionEvent::Type type);
138 RingBuffer<SessionEvent*> pending_events;
139 typedef std::list<SessionEvent *> Events;
141 Events immediate_events;
142 Events::iterator next_event;
144 /* there can only ever be one of each of these */
146 SessionEvent *auto_loop_event;
147 SessionEvent *punch_out_event;
148 SessionEvent *punch_in_event;
150 void dump_events () const;
151 void merge_event (SessionEvent*);
152 void replace_event (SessionEvent::Type, framepos_t action_frame, framepos_t target = 0);
153 bool _replace_event (SessionEvent*);
154 bool _remove_event (SessionEvent *);
155 void _clear_event_type (SessionEvent::Type);
157 void add_event (framepos_t action_frame, SessionEvent::Type type, framepos_t target_frame = 0);
158 void remove_event (framepos_t frame, SessionEvent::Type type);
160 virtual void process_event(SessionEvent*) = 0;
161 virtual void set_next_event () = 0;
166 #endif /* __ardour_session_event_h__ */