/[svn]/linuxsampler/trunk/src/engines/common/EngineChannel.h
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revision 675 by schoenebeck, Wed Jun 22 22:09:28 2005 UTC revision 705 by schoenebeck, Wed Jul 20 21:43:23 2005 UTC
# Line 47  namespace LinuxSampler { Line 47  namespace LinuxSampler {
47      class EngineChannel {      class EngineChannel {
48          public:          public:
49    
50                EngineChannel();
51    
52              /////////////////////////////////////////////////////////////////              /////////////////////////////////////////////////////////////////
53              // abstract methods              // abstract methods
54              //     (these have to be implemented by the descendant)              //     (these have to be implemented by the descendant)
# Line 77  namespace LinuxSampler { Line 79  namespace LinuxSampler {
79              virtual Engine* GetEngine() = 0;              virtual Engine* GetEngine() = 0;
80              virtual String  EngineName() = 0;              virtual String  EngineName() = 0;
81    
82                /**
83                * Sets the mute state of this channel.
84                *
85                * @param state - specifies the mute state of this sampler channel.
86                * @throws LinuxSamplerException - if state does not contain valid
87                * value.
88                */
89                void SetMute(int state) throw (LinuxSamplerException);
90    
91                /**
92                * Determines whether this channel is muted.
93                *
94                * @returns 1 if the channel is muted, 0 if the channel is not muted
95                * and -1 if the channel is muted because of presence of at least
96                * one solo channel.
97                */
98                int GetMute();
99    
100                /**
101                * Sets the solo state of this channel.
102                *
103                * @param solo - specifies whether this is a solo channel.
104                */
105                void SetSolo(bool solo);
106    
107                /**
108                * Determines whether this is a solo channel.
109                *
110                * @returns true if this is a solo channel, false otherwise.
111                */
112                bool GetSolo();
113    
114              int iSamplerChannelIndex; ///< FIXME: nasty hack, might be removed (should be 'virtual EngineChannel* EngineChannel() = 0;', but due to cyclic dependencies only a void* solution would be possible ATM)              int iSamplerChannelIndex; ///< FIXME: nasty hack, might be removed (should be 'virtual EngineChannel* EngineChannel() = 0;', but due to cyclic dependencies only a void* solution would be possible ATM)
115    
116          protected:          protected:
117              virtual ~EngineChannel() {}; // MUST only be destroyed by EngineChannelFactory              virtual ~EngineChannel() {}; // MUST only be destroyed by EngineChannelFactory
118              friend class EngineChannelFactory;              friend class EngineChannelFactory;
119    
120            private:
121                int  iMute;
122                bool bSolo;
123      };      };
124    
125  } // namespace LinuxSampler  } // namespace LinuxSampler
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