/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtGui module of the Qt Toolkit. | |
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** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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 | |
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** file. Please review the following information to ensure the GNU Lesser | |
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** | |
** 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. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
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** Other Usage | |
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** $QT_END_LICENSE$ | |
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****************************************************************************/ | |
#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 |