mirror of
https://github.com/Ardour/ardour.git
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127 lines
3.4 KiB
C++
127 lines
3.4 KiB
C++
/*
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* Copyright (C) 1999-2019 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2005-2006 Taybin Rutkin <taybin@taybin.com>
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* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2006 Jesse Chappell <jesse@essej.net>
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* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "pbd/error.h"
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#include "pbd/pthread_utils.h"
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#include "pbd/stacktrace.h"
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#include "ardour/butler.h"
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#include "ardour/disk_reader.h"
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#include "ardour/route.h"
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#include "ardour/session.h"
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#include "ardour/session_event.h"
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#include "ardour/track.h"
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#include "ardour/types.h"
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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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/*---------------------------------------------------------------------------
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BUTLER THREAD
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---------------------------------------------------------------------------*/
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void
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Session::adjust_playback_buffering ()
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{
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request_stop (false, false);
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SessionEvent *ev = new SessionEvent (SessionEvent::AdjustPlaybackBuffering, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0);
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queue_event (ev);
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}
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void
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Session::adjust_capture_buffering ()
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{
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request_stop (false, false);
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SessionEvent *ev = new SessionEvent (SessionEvent::AdjustCaptureBuffering, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0);
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queue_event (ev);
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}
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void
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Session::schedule_playback_buffering_adjustment ()
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{
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add_post_transport_work (PostTransportAdjustPlaybackBuffering);
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DiskReader::inc_no_disk_output ();
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_butler->schedule_transport_work ();
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}
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void
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Session::schedule_capture_buffering_adjustment ()
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{
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add_post_transport_work (PostTransportAdjustCaptureBuffering);
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_butler->schedule_transport_work ();
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}
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void
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Session::request_overwrite_buffer (boost::shared_ptr<Route> r)
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{
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boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track> (r);
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if (!t) {
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return;
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}
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SessionEvent *ev = new SessionEvent (SessionEvent::Overwrite, SessionEvent::Add, SessionEvent::Immediate, 0, 0, 0.0);
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ev->set_ptr (t.get());
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queue_event (ev);
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}
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/** Process thread. */
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void
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Session::overwrite_some_buffers (Track* t)
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{
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if (actively_recording()) {
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return;
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}
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if (t) {
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t->set_pending_overwrite ();
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} else {
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boost::shared_ptr<RouteList> rl = routes.reader();
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for (RouteList::iterator i = rl->begin(); i != rl->end(); ++i) {
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boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*i);
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if (tr) {
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tr->set_pending_overwrite ();
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}
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}
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}
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add_post_transport_work (PostTransportOverWrite);
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_butler->schedule_transport_work ();
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}
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uint32_t
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Session::playback_load ()
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{
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return (uint32_t) g_atomic_int_get (&_playback_load);
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}
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uint32_t
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Session::capture_load ()
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{
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return (uint32_t) g_atomic_int_get (&_capture_load);
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}
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