From c3b5d1ebb51848a679f96ac3bb1c8acb1b06138e Mon Sep 17 00:00:00 2001 From: mickeyl Date: Sun, 30 Jan 2005 19:00:38 +0000 Subject: improve mixer code --- (limited to 'libopie2/opiemm/osoundsystem.cpp') diff --git a/libopie2/opiemm/osoundsystem.cpp b/libopie2/opiemm/osoundsystem.cpp index 09fd28f..6c03203 100644 --- a/libopie2/opiemm/osoundsystem.cpp +++ b/libopie2/opiemm/osoundsystem.cpp @@ -1,7 +1,6 @@ /*                 This file is part of the Opie Project - -              (C) 2003 Michael 'Mickey' Lauer +              (C) 2003-2005 Michael 'Mickey' Lauer =. .=l.            .>+-= @@ -40,6 +39,8 @@ #include #include +static const char* device_label[] = SOUND_DEVICE_LABELS; +static int max_device_nr = sizeof device_label / sizeof (const char*); using namespace Opie::Core; using namespace Opie::MM; @@ -63,8 +64,7 @@ void OSoundSystem::synchronize() _interfaces.clear(); _interfaces.insert( "soundcard", new OSoundCard( this, "soundcard" ) ); - - + /* QString str; @@ -176,7 +176,7 @@ void OAudioInterface::init() *======================================================================================*/ OMixerInterface::OMixerInterface( QObject* parent, const char* name ) - :QObject( parent, name ) + :QObject( parent, name ), _devmask( 0 ), _recmask( 0 ), _stmask( 0 ) { odebug << "OMixerInterface::OMixerInterface()" << oendl; init(); @@ -199,60 +199,32 @@ void OMixerInterface::init() } // construct the device capabilities - int devmask = 0; - if ( ioctl( _fd, SOUND_MIXER_READ_DEVMASK, &devmask ) != -1 ) + if ( ioctl( _fd, SOUND_MIXER_READ_CAPS, &_capmask ) != -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; + odebug << "OMixerInterface::init() - capmask = " << _capmask << oendl; } - - devmask = 0; - if ( ioctl( _fd, SOUND_MIXER_READ_RECMASK, &devmask ) != -1 ) + if ( ioctl( _fd, SOUND_MIXER_READ_DEVMASK, &_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; + odebug << "OMixerInterface::init() - devmask = " << _devmask << oendl; } - - devmask = 0; - if ( ioctl( _fd, SOUND_MIXER_READ_STEREODEVS, &devmask ) != -1 ) + if ( ioctl( _fd, SOUND_MIXER_READ_RECMASK, &_recmask ) != -1 ) { - odebug << "stereomask = " << devmask << oendl; + odebug << "OMixerInterface::init() - recmask = " << _recmask << oendl; } - -/* ChannelIterator it; - for ( it = _channels.begin(); it != _channels.end(); ++it ) + if ( ioctl( _fd, SOUND_MIXER_READ_STEREODEVS, &_stmask ) != -1 ) { - odebug << "Channel " << it.key() << " available (bit " << it.data() << ")" << oendl; - odebug << " +--- Volume: " << volume( it.key() ) & 0xff << " | " << volume( it.key() ) >> 8 << "" << oendl; + odebug << "OMixerInterface::init() - stereomask = " << _stmask << oendl; } -*/ -} + for ( int i = 0; i < max_device_nr; ++i ) + { + if ( _devmask & ( 1 << i ) ) + { + _channels.insert( QString( device_label[i] ).stripWhiteSpace(), i ); + odebug << "OMixerInterface::init() - channel '" << device_label[i] << "'" << oendl; + } + } +} + QStringList OMixerInterface::allChannels() const { @@ -260,8 +232,7 @@ QStringList OMixerInterface::allChannels() const QStringList channels; while ( it != _channels.end() ) { - channels += it.key(); - it++; + channels += it++.key(); } return channels; } @@ -269,15 +240,25 @@ QStringList OMixerInterface::allChannels() const QStringList OMixerInterface::recChannels() const { - owarn << "NYI" << oendl; - return QStringList(); + ChannelIterator it = _channels.begin(); + QStringList channels; + while ( it != _channels.end() ) + { + if ( _recmask & ( 1 << _channels[it.key()] ) ) channels += it++.key(); + } + return channels; } QStringList OMixerInterface::playChannels() const { - owarn << "NYI" << oendl; - return QStringList(); + return allChannels(); +} + + +bool OMixerInterface::hasMultipleRecording() const +{ + return !( _capmask & SOUND_CAP_EXCL_INPUT ); } @@ -289,16 +270,13 @@ bool OMixerInterface::hasChannel( const QString& channel ) const 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; + return _channels.contains( channel ) && ( _stmask & ( 1 << _channels[channel] ) ); +} + + +bool OMixerInterface::isRecordable( const QString& channel ) const +{ + return _channels.contains( channel ) && ( _recmask & ( 1 << _channels[channel] ) ); } -- cgit v0.9.0.2