| -rw-r--r-- | libopie2/examples/opiemm/osoundsystemdemo/osoundsystemdemo.cpp | 3 | ||||
| -rw-r--r-- | libopie2/opiemm/osoundsystem.cpp | 25 | ||||
| -rw-r--r-- | libopie2/opiemm/osoundsystem.h | 6 |
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 @@ -1,320 +1,341 @@ /* This file is part of the Opie Project (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> =. .=l. .>+-= _;:, .> :=|. This program 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 program 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 <opie2/osoundsystem.h> #include <opie2/odebug.h> #include <errno.h> #include <fcntl.h> #include <string.h> #include <sys/ioctl.h> #include <sys/types.h> #include <sys/soundcard.h> #include <sys/stat.h> using namespace Opie::Core; using namespace Opie::MM; /*====================================================================================== * OSoundSystem *======================================================================================*/ OSoundSystem* OSoundSystem::_instance = 0; OSoundSystem::OSoundSystem() { odebug << "OSoundSystem::OSoundSystem()" << oendl; synchronize(); } void OSoundSystem::synchronize() { // gather available interfaces by inspecting /dev //FIXME: we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices //FIXME: Use SIOCGIFCONF anway, because we can disable listing of aliased devices _interfaces.clear(); _interfaces.insert( "soundcard", new OSoundCard( this, "soundcard" ) ); /* 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 @@ -1,232 +1,236 @@ /* This file is part of the Opie Project (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> =. .=l. .>+-= _;:, .> :=|. This program 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 program 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. */ #ifndef OSOUNDSYSTEM_H #define OSOUNDSYSTEM_H #include <qobject.h> #include <qdict.h> #include <qmap.h> namespace Opie { namespace MM { class OAudioInterface; class OMixerInterface; class OSoundCard; /*====================================================================================== * OSoundSystem *======================================================================================*/ /** * @brief A container class for all audio interfaces * * This class provides access to all available audio/midi/sequencer interfaces of your computer. * * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> */ class OSoundSystem : public QObject { Q_OBJECT public: typedef QDict<OSoundCard> CardMap; typedef QDictIterator<OSoundCard> CardIterator; public: /** * @returns the number of available interfaces */ int count() const; /** * @returns a pointer to the (one and only) @ref ONetwork instance. */ static OSoundSystem* instance(); /** * @returns an iterator usable for iterating through all network interfaces. */ 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 |