/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qsound.h" #ifndef QT_NO_SOUND #include "qhash.h" #include "qsocketnotifier.h" #include "qapplication.h" #include "qsound_p.h" QT_BEGIN_NAMESPACE #ifndef QT_NO_NAS QT_BEGIN_INCLUDE_NAMESPACE #include <audio/audiolib.h> #include <audio/soundlib.h> QT_END_INCLUDE_NAMESPACE static AuServer *nas=0; static AuBool eventPred(AuServer *, AuEvent *e, AuPointer p) { if (e && (e->type == AuEventTypeElementNotify)) { if (e->auelementnotify.flow == *((AuFlowID *)p)) return true; } return false; } class QAuBucketNAS : public QAuBucket { public: QAuBucketNAS(AuBucketID b, AuFlowID f = 0) : id(b), flow(f), stopped(true), numplaying(0) { } ~QAuBucketNAS() { if (nas) { AuSync(nas, false); AuDestroyBucket(nas, id, NULL); AuEvent ev; while (AuScanEvents(nas, AuEventsQueuedAfterFlush, true, eventPred, &flow, &ev)) ; } } AuBucketID id; AuFlowID flow; bool stopped; int numplaying; }; class QAuServerNAS : public QAuServer { Q_OBJECT QSocketNotifier* sn; public: QAuServerNAS(QObject* parent); ~QAuServerNAS(); void init(QSound*); void play(const QString& filename); void play(QSound*); void stop(QSound*); bool okay(); void setDone(QSound*); public slots: void dataReceived(); void soundDestroyed(QObject *o); private: QAuBucketNAS* bucket(QSound* s) { return (QAuBucketNAS*)QAuServer::bucket(s); } }; QAuServerNAS::QAuServerNAS(QObject* parent) : QAuServer(parent) { setObjectName(QLatin1String("Network Audio System")); nas = AuOpenServer(NULL, 0, NULL, 0, NULL, NULL); if (nas) { AuSetCloseDownMode(nas, AuCloseDownDestroy, NULL); // Ask Qt for async messages... sn=new QSocketNotifier(AuServerConnectionNumber(nas), QSocketNotifier::Read); QObject::connect(sn, SIGNAL(activated(int)), this, SLOT(dataReceived())); } else { sn = 0; } } QAuServerNAS::~QAuServerNAS() { if (nas) AuCloseServer(nas); delete sn; nas = 0; } typedef QHash<void*,QAuServerNAS*> AuServerHash; static AuServerHash *inprogress=0; void QAuServerNAS::soundDestroyed(QObject *o) { if (inprogress) { QSound *so = static_cast<QSound *>(o); while (inprogress->remove(so)) ; // Loop while remove returns true } } void QAuServerNAS::play(const QString& filename) { if (nas) { int iv=100; AuFixedPoint volume=AuFixedPointFromFraction(iv,100); AuSoundPlayFromFile(nas, filename.toLocal8Bit().constData(), AuNone, volume, NULL, NULL, NULL, NULL, NULL, NULL); AuFlush(nas); dataReceived(); AuFlush(nas); qApp->flush(); } } static void callback(AuServer*, AuEventHandlerRec*, AuEvent* e, AuPointer p) { if (inprogress->contains(p) && e) { if (e->type==AuEventTypeElementNotify && e->auelementnotify.kind==AuElementNotifyKindState) { if (e->auelementnotify.cur_state == AuStateStop) { AuServerHash::Iterator it = inprogress->find(p); if (it != inprogress->end()) (*it)->setDone((QSound*)p); } } } } void QAuServerNAS::setDone(QSound* s) { if (nas) { decLoop(s); if (s->loopsRemaining() && !bucket(s)->stopped) { bucket(s)->stopped = true; play(s); } else { if (--(bucket(s)->numplaying) == 0) bucket(s)->stopped = true; inprogress->remove(s); } } } void QAuServerNAS::play(QSound* s) { if (nas) { ++(bucket(s)->numplaying); if (!bucket(s)->stopped) { stop(s); } bucket(s)->stopped = false; if (!inprogress) inprogress = new AuServerHash; inprogress->insert(s,this); int iv=100; AuFixedPoint volume=AuFixedPointFromFraction(iv,100); QAuBucketNAS *b = bucket(s); AuSoundPlayFromBucket(nas, b->id, AuNone, volume, callback, s, 0, &b->flow, NULL, NULL, NULL); AuFlush(nas); dataReceived(); AuFlush(nas); qApp->flush(); } } void QAuServerNAS::stop(QSound* s) { if (nas && !bucket(s)->stopped) { bucket(s)->stopped = true; AuStopFlow(nas, bucket(s)->flow, NULL); AuFlush(nas); dataReceived(); AuFlush(nas); qApp->flush(); } } void QAuServerNAS::init(QSound* s) { connect(s, SIGNAL(destroyed(QObject*)), this, SLOT(soundDestroyed(QObject*))); if (nas) { AuBucketID b_id = AuSoundCreateBucketFromFile(nas, s->fileName().toLocal8Bit().constData(), 0 /*AuAccessAllMasks*/, NULL, NULL); setBucket(s, new QAuBucketNAS(b_id)); } } bool QAuServerNAS::okay() { return !!nas; } void QAuServerNAS::dataReceived() { AuHandleEvents(nas); } QT_BEGIN_INCLUDE_NAMESPACE #include "qsound_x11.moc" QT_END_INCLUDE_NAMESPACE #endif class QAuServerNull : public QAuServer { public: QAuServerNull(QObject* parent); void play(const QString&) { } void play(QSound*s) { while(decLoop(s) > 0) /* nothing */ ; } void stop(QSound*) { } bool okay() { return false; } }; QAuServerNull::QAuServerNull(QObject* parent) : QAuServer(parent) { } QAuServer* qt_new_audio_server() { #ifndef QT_NO_NAS QAuServer* s = new QAuServerNAS(qApp); if (s->okay()) return s; else delete s; #endif return new QAuServerNull(qApp); } QT_END_NAMESPACE #endif // QT_NO_SOUND