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tdemultimedia/arts/midi/midisyncgroup_impl.cc

126 lines
3.2 KiB

/*
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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, 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());
}