Diffstat (limited to 'libopie2/opiemm/osoundsystem.h') (more/less context) (ignore whitespace changes)
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diff --git a/libopie2/opiemm/osoundsystem.h b/libopie2/opiemm/osoundsystem.h index 3c3b622..bd69114 100644 --- a/libopie2/opiemm/osoundsystem.h +++ b/libopie2/opiemm/osoundsystem.h @@ -1,233 +1,232 @@ /* 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 ); /** * 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 - |