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Diffstat (limited to 'arts/midi/midisyncgroup_impl.cpp')
-rw-r--r-- | arts/midi/midisyncgroup_impl.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/arts/midi/midisyncgroup_impl.cpp b/arts/midi/midisyncgroup_impl.cpp new file mode 100644 index 00000000..5d5305dd --- /dev/null +++ b/arts/midi/midisyncgroup_impl.cpp @@ -0,0 +1,125 @@ + /* + + 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()); +} |