1 files changed, 5 insertions, 1 deletions

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
@@ -13,220 +13,224 @@
      ._= =}       :          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