2 Copyright (C) 1999-2004 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 #include "ardour/timestamps.h"
25 #include "pbd/error.h"
26 #include "pbd/enumwriter.h"
28 #include "ardour/ardour.h"
29 #include "ardour/audio_diskstream.h"
30 #include "ardour/butler.h"
31 #include "ardour/debug.h"
32 #include "ardour/session_event.h"
37 using namespace ARDOUR;
40 PerThreadPool* SessionEvent::pool;
43 SessionEvent::init_event_pool ()
45 pool = new PerThreadPool;
49 SessionEvent::create_per_thread_pool (const std::string& name, uint32_t nitems)
51 /* this is a per-thread call that simply creates a thread-private ptr to
52 a CrossThreadPool for use by this thread whenever events are allocated/released
53 from SessionEvent::pool()
55 pool->create_per_thread_pool (name, sizeof (SessionEvent), nitems);
59 SessionEvent::operator new (size_t)
61 CrossThreadPool* p = pool->per_thread_pool ();
62 SessionEvent* ev = static_cast<SessionEvent*> (p->alloc ());
68 SessionEvent::operator delete (void *ptr, size_t /*size*/)
70 Pool* p = pool->per_thread_pool ();
71 SessionEvent* ev = static_cast<SessionEvent*> (ptr);
73 if (p == ev->own_pool) {
76 ev->own_pool->push (ev);
81 SessionEventManager::add_event (nframes64_t frame, SessionEvent::Type type, nframes64_t target_frame)
83 SessionEvent* ev = new SessionEvent (type, SessionEvent::Add, frame, target_frame, 0);
88 SessionEventManager::remove_event (nframes64_t frame, SessionEvent::Type type)
90 SessionEvent* ev = new SessionEvent (type, SessionEvent::Remove, frame, 0, 0);
95 SessionEventManager::replace_event (SessionEvent::Type type, nframes64_t frame, nframes64_t target)
97 SessionEvent* ev = new SessionEvent (type, SessionEvent::Replace, frame, target, 0);
102 SessionEventManager::clear_events (SessionEvent::Type type)
104 SessionEvent* ev = new SessionEvent (type, SessionEvent::Clear, 0, 0, 0);
110 SessionEventManager::dump_events () const
112 cerr << "EVENT DUMP" << endl;
113 for (Events::const_iterator i = events.begin(); i != events.end(); ++i) {
114 cerr << "\tat " << (*i)->action_frame << ' ' << (*i)->type << " target = " << (*i)->target_frame << endl;
116 cerr << "Next event: ";
118 if ((Events::const_iterator) next_event == events.end()) {
119 cerr << "none" << endl;
121 cerr << "at " << (*next_event)->action_frame << ' '
122 << (*next_event)->type << " target = "
123 << (*next_event)->target_frame << endl;
125 cerr << "Immediate events pending:\n";
126 for (Events::const_iterator i = immediate_events.begin(); i != immediate_events.end(); ++i) {
127 cerr << "\tat " << (*i)->action_frame << ' ' << (*i)->type << " target = " << (*i)->target_frame << endl;
129 cerr << "END EVENT_DUMP" << endl;
133 SessionEventManager::merge_event (SessionEvent* ev)
135 switch (ev->action) {
136 case SessionEvent::Remove:
141 case SessionEvent::Replace:
145 case SessionEvent::Clear:
146 _clear_event_type (ev->type);
150 case SessionEvent::Add:
154 /* try to handle immediate events right here */
156 if (ev->action_frame == 0) {
162 case SessionEvent::AutoLoop:
163 case SessionEvent::StopOnce:
164 _clear_event_type (ev->type);
168 for (Events::iterator i = events.begin(); i != events.end(); ++i) {
169 if ((*i)->type == ev->type && (*i)->action_frame == ev->action_frame) {
170 error << string_compose(_("Session: cannot have two events of type %1 at the same frame (%2)."),
171 enum_2_string (ev->type), ev->action_frame) << endmsg;
177 events.insert (events.begin(), ev);
178 events.sort (SessionEvent::compare);
179 next_event = events.begin();
183 /** @return true when @a ev is deleted. */
185 SessionEventManager::_replace_event (SessionEvent* ev)
190 /* private, used only for events that can only exist once in the queue */
192 for (i = events.begin(); i != events.end(); ++i) {
193 if ((*i)->type == ev->type) {
194 (*i)->action_frame = ev->action_frame;
195 (*i)->target_frame = ev->target_frame;
204 if (i == events.end()) {
205 events.insert (events.begin(), ev);
208 events.sort (SessionEvent::compare);
209 next_event = events.end();
215 /** @return true when @a ev is deleted. */
217 SessionEventManager::_remove_event (SessionEvent* ev)
222 for (i = events.begin(); i != events.end(); ++i) {
223 if ((*i)->type == ev->type && (*i)->action_frame == ev->action_frame) {
229 if (i == next_event) {
237 if (i != events.end()) {
245 SessionEventManager::_clear_event_type (SessionEvent::Type type)
247 Events::iterator i, tmp;
249 for (i = events.begin(); i != events.end(); ) {
254 if ((*i)->type == type) {
256 if (i == next_event) {
265 for (i = immediate_events.begin(); i != immediate_events.end(); ) {
270 if ((*i)->type == type) {
272 immediate_events.erase (i);