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-rw-r--r--libopie2/examples/opiemm/osoundsystemdemo/osoundsystemdemo.cpp3
-rw-r--r--libopie2/opiemm/osoundsystem.cpp25
-rw-r--r--libopie2/opiemm/osoundsystem.h6
3 files changed, 30 insertions, 4 deletions
diff --git a/libopie2/examples/opiemm/osoundsystemdemo/osoundsystemdemo.cpp b/libopie2/examples/opiemm/osoundsystemdemo/osoundsystemdemo.cpp
index b522441..f74a1b9 100644
--- a/libopie2/examples/opiemm/osoundsystemdemo/osoundsystemdemo.cpp
+++ b/libopie2/examples/opiemm/osoundsystemdemo/osoundsystemdemo.cpp
@@ -1,65 +1,66 @@
/*
=. This file is part of the Opie Project
.=l. Copyright (C) 2004 Opie Team <opie-devel@handhelds.org>
.>+-=
_;:, .> :=|. This library is free software; you can
.> <`_, > . <= redistribute it and/or modify it under
:`=1 )Y*s>-.-- : the terms of the GNU Library General Public
.="- .-=="i, .._ License as published by the Free Software
- . .-<_> .<> Foundation; either version 2 of the License,
._= =} : or (at your option) any later version.
.%`+i> _;_.
.i_,=:_. -<s. 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.
*/
/* OPIE */
#include <opie2/osoundsystem.h>
#include <opie2/odebug.h>
using namespace Opie::MM;
int main( int argc, char** argv )
{
odebug << "OPIE Sound System Demo" << oendl;
OSoundSystem* sound = OSoundSystem::instance();
OSoundSystem::CardIterator it = sound->iterator();
/*
while ( it.current() )
{
odebug << "DEMO: OSoundSystem contains Interface '" << it.current()->name() << "'" << oendl;
++it;
}
*/
OSoundCard* card = it.current();
OMixerInterface* mixer = card->mixer();
QStringList channels = mixer->allChannels();
for ( QStringList::Iterator it = channels.begin(); it != channels.end(); ++it )
{
- odebug << "OSSDEMO: Mixer has channel " << *it << "" << oendl;
+ bool stereo = mixer->isStereo( *it );
+ odebug << "OSSDEMO: Mixer has channel " << *it << ( stereo ? "[stereo]" : "[mono]" ) << oendl;
odebug << "OSSDEMO: +--- volume " << ( mixer->volume( *it ) & 0xff )
<< " (left) | " << ( mixer->volume( *it ) >> 8 ) << " (right)" << oendl;
}
return 0;
}
diff --git a/libopie2/opiemm/osoundsystem.cpp b/libopie2/opiemm/osoundsystem.cpp
index 13b26e6..09fd28f 100644
--- a/libopie2/opiemm/osoundsystem.cpp
+++ b/libopie2/opiemm/osoundsystem.cpp
@@ -69,252 +69,273 @@ void OSoundSystem::synchronize()
QString str;
QFile f( "/dev/sound" );
bool hasFile = f.open( IO_ReadOnly );
if ( !hasFile )
{
odebug << "OSoundSystem: /dev/sound not existing. No sound devices available" << oendl;
return;
}
QTextStream s( &f );
s.readLine();
s.readLine();
while ( !s.atEnd() )
{
s >> str;
str.truncate( str.find( ':' ) );
odebug << "OSoundSystem: found interface '" << str << "'" << oendl;
OAudioInterface* iface;
iface = new OAudioInterface( this, (const char*) str );
_interfaces.insert( str, iface );
s.readLine();
}
*/
}
int OSoundSystem::count() const
{
return _interfaces.count();
}
OSoundCard* OSoundSystem::card( const QString& iface ) const
{
return _interfaces[iface];
}
OSoundSystem* OSoundSystem::instance()
{
if ( !_instance ) _instance = new OSoundSystem();
return _instance;
}
OSoundSystem::CardIterator OSoundSystem::iterator() const
{
return OSoundSystem::CardIterator( _interfaces );
}
/*======================================================================================
* OSoundCard
*======================================================================================*/
OSoundCard::OSoundCard( QObject* parent, const char* name )
:QObject( parent, name ), _audio( 0 ), _mixer( 0 )
{
odebug << "OSoundCard::OSoundCard()" << oendl;
init();
}
OSoundCard::~OSoundCard()
{
}
void OSoundCard::init()
{
#ifdef QT_QWS_DEVFS
_audio = new OAudioInterface( this, "/dev/sound/dsp" );
_mixer = new OMixerInterface( this, "/dev/sound/mixer" );
#else
_audio = new OAudioInterface( this, "/dev/dsp" );
_mixer = new OMixerInterface( this, "/dev/mixer" );
#endif
}
/*======================================================================================
* OAudioInterface
*======================================================================================*/
OAudioInterface::OAudioInterface( QObject* parent, const char* name )
:QObject( parent, name ), _sfd(0)
{
odebug << "OAudioInterface::OAudioInterface()" << oendl;
init();
}
OAudioInterface::~OAudioInterface()
{
}
void OAudioInterface::init()
{
}
/*======================================================================================
* OMixerInterface
*======================================================================================*/
OMixerInterface::OMixerInterface( QObject* parent, const char* name )
:QObject( parent, name )
{
odebug << "OMixerInterface::OMixerInterface()" << oendl;
init();
}
OMixerInterface::~OMixerInterface()
{
}
void OMixerInterface::init()
{
// open the device
_fd = ::open( name(), O_RDWR );
if ( _fd == -1 )
{
- owarn << "OMixerInterface::init(): Can't open mixer." << oendl;
+ owarn << "OMixerInterface::init(): Can't open mixer " << name() << oendl;
return;
}
// construct the device capabilities
int devmask = 0;
if ( ioctl( _fd, SOUND_MIXER_READ_DEVMASK, &devmask ) != -1 )
{
if ( devmask & ( 1 << SOUND_MIXER_VOLUME ) ) _channels.insert( "PlayVolume", SOUND_MIXER_VOLUME );
if ( devmask & ( 1 << SOUND_MIXER_BASS ) ) _channels.insert( "PlayBass", SOUND_MIXER_BASS );
if ( devmask & ( 1 << SOUND_MIXER_TREBLE ) ) _channels.insert( "PlayTreble", SOUND_MIXER_TREBLE );
if ( devmask & ( 1 << SOUND_MIXER_SYNTH ) ) _channels.insert( "PlaySynth", SOUND_MIXER_SYNTH );
if ( devmask & ( 1 << SOUND_MIXER_PCM ) ) _channels.insert( "PlayPCM", SOUND_MIXER_PCM );
if ( devmask & ( 1 << SOUND_MIXER_SPEAKER ) ) _channels.insert( "PlaySpeaker", SOUND_MIXER_SPEAKER );
if ( devmask & ( 1 << SOUND_MIXER_LINE ) ) _channels.insert( "PlayLine", SOUND_MIXER_LINE );
if ( devmask & ( 1 << SOUND_MIXER_MIC ) ) _channels.insert( "PlayMic", SOUND_MIXER_MIC );
if ( devmask & ( 1 << SOUND_MIXER_CD ) ) _channels.insert( "PlayCD", SOUND_MIXER_CD );
if ( devmask & ( 1 << SOUND_MIXER_IMIX ) ) _channels.insert( "PlayInputMix", SOUND_MIXER_IMIX );
if ( devmask & ( 1 << SOUND_MIXER_ALTPCM ) ) _channels.insert( "PlayAltPCM", SOUND_MIXER_ALTPCM );
if ( devmask & ( 1 << SOUND_MIXER_RECLEV ) ) _channels.insert( "PlayRecord", SOUND_MIXER_RECLEV );
if ( devmask & ( 1 << SOUND_MIXER_IGAIN ) ) _channels.insert( "PlayInputGain", SOUND_MIXER_IGAIN );
if ( devmask & ( 1 << SOUND_MIXER_OGAIN ) ) _channels.insert( "PlayOutputGain", SOUND_MIXER_OGAIN );
//odebug << "devmask available and constructed." << oendl;
}
devmask = 0;
if ( ioctl( _fd, SOUND_MIXER_READ_RECMASK, &devmask ) != -1 )
{
if ( devmask & ( 1 << SOUND_MIXER_VOLUME ) ) _channels.insert( "RecVolume", SOUND_MIXER_VOLUME );
if ( devmask & ( 1 << SOUND_MIXER_BASS ) ) _channels.insert( "RecBass", SOUND_MIXER_BASS );
if ( devmask & ( 1 << SOUND_MIXER_TREBLE ) ) _channels.insert( "RecTreble", SOUND_MIXER_TREBLE );
if ( devmask & ( 1 << SOUND_MIXER_SYNTH ) ) _channels.insert( "RecSynth", SOUND_MIXER_SYNTH );
if ( devmask & ( 1 << SOUND_MIXER_PCM ) ) _channels.insert( "RecPCM", SOUND_MIXER_PCM );
if ( devmask & ( 1 << SOUND_MIXER_SPEAKER ) ) _channels.insert( "RecSpeaker", SOUND_MIXER_SPEAKER );
if ( devmask & ( 1 << SOUND_MIXER_LINE ) ) _channels.insert( "RecLine", SOUND_MIXER_LINE );
if ( devmask & ( 1 << SOUND_MIXER_MIC ) ) _channels.insert( "RecMic", SOUND_MIXER_MIC );
if ( devmask & ( 1 << SOUND_MIXER_CD ) ) _channels.insert( "RecCD", SOUND_MIXER_CD );
if ( devmask & ( 1 << SOUND_MIXER_IMIX ) ) _channels.insert( "RecInputMix", SOUND_MIXER_IMIX );
if ( devmask & ( 1 << SOUND_MIXER_ALTPCM ) ) _channels.insert( "RecAltPCM", SOUND_MIXER_ALTPCM );
if ( devmask & ( 1 << SOUND_MIXER_RECLEV ) ) _channels.insert( "RecRecord", SOUND_MIXER_RECLEV );
if ( devmask & ( 1 << SOUND_MIXER_IGAIN ) ) _channels.insert( "RecInputGain", SOUND_MIXER_IGAIN );
if ( devmask & ( 1 << SOUND_MIXER_OGAIN ) ) _channels.insert( "RecOutputGain", SOUND_MIXER_OGAIN );
//odebug << "recmask available and constructed." << oendl;
}
+ devmask = 0;
+ if ( ioctl( _fd, SOUND_MIXER_READ_STEREODEVS, &devmask ) != -1 )
+ {
+ odebug << "stereomask = " << devmask << oendl;
+ }
+
/* ChannelIterator it;
for ( it = _channels.begin(); it != _channels.end(); ++it )
{
odebug << "Channel " << it.key() << " available (bit " << it.data() << ")" << oendl;
odebug << " +--- Volume: " << volume( it.key() ) & 0xff << " | " << volume( it.key() ) >> 8 << "" << oendl;
}
*/
}
QStringList OMixerInterface::allChannels() const
{
ChannelIterator it = _channels.begin();
QStringList channels;
while ( it != _channels.end() )
{
channels += it.key();
it++;
}
return channels;
}
QStringList OMixerInterface::recChannels() const
{
owarn << "NYI" << oendl;
return QStringList();
}
QStringList OMixerInterface::playChannels() const
{
owarn << "NYI" << oendl;
return QStringList();
}
-bool OMixerInterface::hasChannel( const QString& channel )
+bool OMixerInterface::hasChannel( const QString& channel ) const
{
return _channels.contains( channel );
}
+bool OMixerInterface::isStereo( const QString& channel ) const
+{
+ bool result = false;
+ if ( _channels.contains( channel ) )
+ {
+ int devmask = 0;
+ if ( ioctl( _fd, SOUND_MIXER_READ_STEREODEVS, &devmask ) != -1 )
+ {
+ result = devmask & ( 1 << _channels[channel] );
+ }
+ }
+ return result;
+}
+
+
void OMixerInterface::setVolume( const QString& channel, int left, int right )
{
int volume = left;
volume |= ( right == -1 ) ? left << 8 : right << 8;
if ( _channels.contains( channel ) )
{
int result = ioctl( _fd, MIXER_WRITE( _channels[channel] ), &volume );
if ( result == -1 )
{
owarn << "Can't set volume: " << strerror( errno ) << oendl;
}
else
{
if ( result & 0xff != left )
{
owarn << "Device adjusted volume from " << left << " to " << (result & 0xff) << oendl;
}
}
}
}
int OMixerInterface::volume( const QString& channel ) const
{
int volume;
if ( _channels.contains( channel ) )
{
if ( ioctl( _fd, MIXER_READ( _channels[channel] ), &volume ) == -1 )
{
owarn << "Can't get volume: " << strerror( errno ) << oendl;
}
else return volume;
}
return -1;
}
diff --git a/libopie2/opiemm/osoundsystem.h b/libopie2/opiemm/osoundsystem.h
index bd69114..ac7a5a7 100644
--- a/libopie2/opiemm/osoundsystem.h
+++ b/libopie2/opiemm/osoundsystem.h
@@ -77,156 +77,160 @@ class OSoundSystem : public QObject
CardIterator iterator() const;
/**
* @returns a pointer to the @ref OAudioInterface object for the specified @a interface or 0, if not found
* @see OAudioInterface
*/
OSoundCard* card( const QString& interface ) const;
/**
* @internal Rebuild the internal interface database
* @note Sometimes it might be useful to call this from client code,
* e.g. after issuing a cardctl insert
*/
void synchronize();
protected:
OSoundSystem();
private:
static OSoundSystem* _instance;
CardMap _interfaces;
class Private;
Private *d;
};
/*======================================================================================
* OSoundCard
*======================================================================================*/
class OSoundCard : public QObject
{
Q_OBJECT
public:
/**
* Constructor. Normally you don't create @ref OSoundCard objects yourself,
* but access them via @ref OSoundSystem::card().
*/
OSoundCard( QObject* parent, const char* name );
/**
* Destructor.
*/
virtual ~OSoundCard();
bool hasMixer() const { return _audio; };
bool hasAudio() const { return _mixer; };
OAudioInterface* audio() const { return _audio; };
OMixerInterface* mixer() const { return _mixer; };
protected:
OAudioInterface* _audio;
OMixerInterface* _mixer;
private:
void init();
private:
class Private;
Private *d;
};
/*======================================================================================
* OAudioInterface
*======================================================================================*/
class OAudioInterface : public QObject
{
Q_OBJECT
public:
/**
* Constructor. Normally you don't create @ref OAudioInterface objects yourself,
* but access them via the @ref OSoundCard interface.
*/
OAudioInterface( QObject* parent, const char* name );
/**
* Destructor.
*/
virtual ~OAudioInterface();
protected:
const int _sfd;
private:
void init();
private:
class Private;
Private *d;
};
/*======================================================================================
* OMixerInterface
*======================================================================================*/
class OMixerInterface : public QObject
{
Q_OBJECT
public:
typedef QMap<QString,int>::ConstIterator ChannelIterator;
/**
* Constructor. Normally you don't create @ref OMixerInterface objects yourself,
* but access them via the @ref OSoundCard interface.
*/
OMixerInterface( QObject* parent, const char* name );
/**
* Destructor.
*/
virtual ~OMixerInterface();
/**
* @returns all available channels.
*/
QStringList allChannels() const;
/**
* @returns recordable channels.
*/
QStringList recChannels() const;
/**
* @returns playable channels.
*/
QStringList playChannels() const;
/**
* @returns true, if @a channel exists.
*/
- bool hasChannel( const QString& channel );
+ bool hasChannel( const QString& channel ) const;
+ /**
+ * @returns true, if @a channel is stereo.
+ */
+ bool isStereo( const QString& channel ) const;
/**
* Set the @a left and @a right volumes for @a channel.
* If no value for right is given, the value for left is taken for that.
*/
void setVolume( const QString& channel, int left, int right = -1 );
/**
* @returns the volume of @a channel or -1, if the channel doesn't exist.
* @note You might want to use @ref hasChannel() to check if a channel exists.
*/
int volume( const QString& channel ) const;
protected:
int _fd;
QMap<QString, int> _channels;
private:
void init();
private:
class Private;
Private *d;
};
}
}
#endif // OSOUNDSYSTEM_H