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path: root/libopie2/opiemm/osoundsystem.cpp
authormickeyl <mickeyl>2005-01-30 19:00:38 (UTC)
committer mickeyl <mickeyl>2005-01-30 19:00:38 (UTC)
commitc3b5d1ebb51848a679f96ac3bb1c8acb1b06138e (patch) (side-by-side diff)
tree9ac1d1281b3bdd92d1975bdc7756e89ebe730f34 /libopie2/opiemm/osoundsystem.cpp
parent271dd6ba75ddfba5ac4345e9d74db4dbb2b7c971 (diff)
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improve mixer code
Diffstat (limited to 'libopie2/opiemm/osoundsystem.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opiemm/osoundsystem.cpp112
1 files changed, 45 insertions, 67 deletions
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
@@ -1,341 +1,319 @@
/*
                This file is part of the Opie Project
-
-              (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+              (C) 2003-2005 Michael 'Mickey' Lauer <mickey@Vanille.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>
+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;
/*======================================================================================
* 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 )
+ :QObject( parent, name ), _devmask( 0 ), _recmask( 0 ), _stmask( 0 )
{
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 " << name() << oendl;
return;
}
// 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
{
ChannelIterator it = _channels.begin();
QStringList channels;
while ( it != _channels.end() )
{
- channels += it.key();
- it++;
+ channels += it++.key();
}
return channels;
}
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 );
}
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;
+ return _channels.contains( channel ) && ( _stmask & ( 1 << _channels[channel] ) );
+}
+
+
+bool OMixerInterface::isRecordable( const QString& channel ) const
+{
+ return _channels.contains( channel ) && ( _recmask & ( 1 << _channels[channel] ) );
}
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;
}