2 Copyright (C) 1999-2002 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.
28 #include <glibmm/thread.h>
30 #include "pbd/error.h"
31 #include "pbd/pthread_utils.h"
32 #include "pbd/stacktrace.h"
34 #include "ardour/audio_diskstream.h"
35 #include "ardour/audioengine.h"
36 #include "ardour/butler.h"
37 #include "ardour/configuration.h"
38 #include "ardour/crossfade.h"
39 #include "ardour/io.h"
40 #include "ardour/midi_diskstream.h"
41 #include "ardour/session.h"
42 #include "ardour/timestamps.h"
43 #include "ardour/track.h"
48 using namespace ARDOUR;
51 /* XXX put this in the right place */
53 static inline uint32_t next_power_of_two (uint32_t n)
65 /*---------------------------------------------------------------------------
67 ---------------------------------------------------------------------------*/
70 Session::schedule_curve_reallocation ()
72 add_post_transport_work (PostTransportCurveRealloc);
73 _butler->schedule_transport_work ();
77 Session::request_overwrite_buffer (Track* t)
79 SessionEvent *ev = new SessionEvent (SessionEvent::Overwrite, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0);
84 /** Process thread. */
86 Session::overwrite_some_buffers (Track* t)
88 if (actively_recording()) {
94 t->set_pending_overwrite (true);
98 boost::shared_ptr<RouteList> rl = routes.reader();
99 for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
100 boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
102 tr->set_pending_overwrite (true);
107 add_post_transport_work (PostTransportOverWrite);
108 _butler->schedule_transport_work ();
112 Session::playback_load ()
114 return (uint32_t) g_atomic_int_get (&_playback_load);
118 Session::capture_load ()
120 return (uint32_t) g_atomic_int_get (&_capture_load);