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livetrax/libs/ardour/session_butler.cc

124 lines
3.1 KiB
C++

/*
Copyright (C) 1999-2002 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pbd/error.h"
#include "pbd/pthread_utils.h"
#include "pbd/stacktrace.h"
#include "ardour/butler.h"
#include "ardour/route.h"
#include "ardour/session.h"
#include "ardour/session_event.h"
#include "ardour/track.h"
#include "ardour/types.h"
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
/*---------------------------------------------------------------------------
BUTLER THREAD
---------------------------------------------------------------------------*/
void
Session::adjust_playback_buffering ()
{
request_stop (false, false);
SessionEvent *ev = new SessionEvent (SessionEvent::AdjustPlaybackBuffering, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0);
queue_event (ev);
}
void
Session::adjust_capture_buffering ()
{
request_stop (false, false);
SessionEvent *ev = new SessionEvent (SessionEvent::AdjustCaptureBuffering, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0);
queue_event (ev);
}
void
Session::schedule_playback_buffering_adjustment ()
{
add_post_transport_work (PostTransportAdjustPlaybackBuffering);
_butler->schedule_transport_work ();
}
void
Session::schedule_capture_buffering_adjustment ()
{
add_post_transport_work (PostTransportAdjustCaptureBuffering);
_butler->schedule_transport_work ();
}
void
Session::schedule_curve_reallocation ()
{
add_post_transport_work (PostTransportCurveRealloc);
_butler->schedule_transport_work ();
}
void
Session::request_overwrite_buffer (Track* t)
{
SessionEvent *ev = new SessionEvent (SessionEvent::Overwrite, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0);
ev->set_ptr (t);
queue_event (ev);
}
/** Process thread. */
void
Session::overwrite_some_buffers (Track* t)
{
if (actively_recording()) {
return;
}
if (t) {
t->set_pending_overwrite (true);
} else {
boost::shared_ptr<RouteList> rl = routes.reader();
for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
if (tr) {
tr->set_pending_overwrite (true);
}
}
}
add_post_transport_work (PostTransportOverWrite);
_butler->schedule_transport_work ();
}
uint32_t
Session::playback_load ()
{
return (uint32_t) g_atomic_int_get (&_playback_load);
}
uint32_t
Session::capture_load ()
{
return (uint32_t) g_atomic_int_get (&_capture_load);
}