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-rw-r--r--arts/midi/midisyncgroup_impl.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/arts/midi/midisyncgroup_impl.cpp b/arts/midi/midisyncgroup_impl.cpp
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+ /*
+
+ Copyright (C) 2002 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+ */
+
+#include "midisyncgroup_impl.h"
+#include "audiosync_impl.h"
+#include "midiclient_impl.h"
+#include "midimanager_impl.h"
+#include "timestampmath.h"
+
+using namespace Arts;
+using namespace std;
+
+MidiSyncGroup_impl::MidiSyncGroup_impl(MidiManager_impl *manager)
+ : manager(manager)
+{
+}
+
+MidiSyncGroup_impl::~MidiSyncGroup_impl()
+{
+ /* tell clients we're dead */
+ list<MidiClient_impl *>::iterator i;
+ for(i = clients.begin(); i != clients.end(); i++)
+ (*i)->setSyncGroup(0);
+
+ list<AudioSync_impl *>::iterator ai;
+ for(ai = audioSyncs.begin(); ai != audioSyncs.end(); ai++)
+ (*ai)->setSyncGroup(0);
+
+ manager->removeSyncGroup(this);
+}
+
+void MidiSyncGroup_impl::addClient(MidiClient client)
+{
+ /* add client to list */
+ MidiClient_impl *impl = manager->findClient(client.info().ID);
+ impl->setSyncGroup(this);
+ clients.push_back(impl);
+
+ impl->synchronizeTo(masterTimer.time());
+}
+
+void MidiSyncGroup_impl::removeClient(MidiClient client)
+{
+ /* remove client from the list */
+ MidiClient_impl *impl = manager->findClient(client.info().ID);
+ impl->setSyncGroup(0);
+ clients.remove(impl);
+}
+
+void MidiSyncGroup_impl::addAudioSync(AudioSync audioSync)
+{
+ AudioSync_impl *impl = AudioSync_impl::find(audioSync);
+ impl->setSyncGroup(this);
+ audioSyncs.push_back(impl);
+
+ impl->synchronizeTo(masterTimer.time());
+}
+
+void MidiSyncGroup_impl::removeAudioSync(AudioSync audioSync)
+{
+ AudioSync_impl *impl = AudioSync_impl::find(audioSync);
+ impl->setSyncGroup(0);
+ audioSyncs.remove(impl);
+}
+
+void MidiSyncGroup_impl::clientChanged(MidiClient_impl *client)
+{
+ client->synchronizeTo(masterTimer.time());
+}
+
+void MidiSyncGroup_impl::clientDied(MidiClient_impl *client)
+{
+ clients.remove(client);
+}
+
+void MidiSyncGroup_impl::audioSyncDied(AudioSync_impl *audioSync)
+{
+ audioSyncs.remove(audioSync);
+}
+
+TimeStamp MidiSyncGroup_impl::time()
+{
+ TimeStamp result = masterTimer.time();
+
+ list<MidiClient_impl *>::iterator i;
+ for(i = clients.begin(); i != clients.end(); i++)
+ result = timeStampMax(result, (*i)->clientTime());
+
+ list<AudioSync_impl *>::iterator ai;
+ for(ai = audioSyncs.begin(); ai != audioSyncs.end(); ai++)
+ result = timeStampMax(result, (*ai)->clientTime());
+
+ return result;
+}
+
+TimeStamp MidiSyncGroup_impl::playTime()
+{
+ return masterTimer.time();
+}
+
+void MidiSyncGroup_impl::adjustSync()
+{
+ list<AudioSync_impl *>::iterator ai;
+ for(ai = audioSyncs.begin(); ai != audioSyncs.end(); ai++)
+ (*ai)->synchronizeTo(masterTimer.time());
+}