/[svn]/linuxsampler/trunk/src/drivers/midi/MidiInputPort.h
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revision 411 by schoenebeck, Sat Feb 26 02:01:14 2005 UTC revision 551 by schoenebeck, Tue May 17 18:16:54 2005 UTC
# Line 25  Line 25 
25  #define __LS_MIDIINPUTPORT_H__  #define __LS_MIDIINPUTPORT_H__
26    
27  #include "../../common/global.h"  #include "../../common/global.h"
28    #include "../../common/Mutex.h"
29  #include "../../common/LinuxSamplerException.h"  #include "../../common/LinuxSamplerException.h"
30  #include "../DeviceParameter.h"  #include "../DeviceParameter.h"
31  #include "MidiInputDevice.h"  #include "MidiInputDevice.h"
# Line 101  namespace LinuxSampler { Line 102  namespace LinuxSampler {
102    
103              /**              /**
104               * Disconnect given sampler engine from this MIDI input device.               * Disconnect given sampler engine from this MIDI input device.
105                 * If the given engine was not connected with this device,
106                 * nothing happens.
107               *               *
108               * @param pEngine - sampler engine               * @param pEngine - sampler engine
109               */               */
# Line 182  namespace LinuxSampler { Line 185  namespace LinuxSampler {
185    
186              /**              /**
187               * Should be called by the implementing MIDI input device               * Should be called by the implementing MIDI input device
188                 * whenever a program change event arrived, this will cause the
189                 * appropriate sampler channel to be connected with this MIDI
190                 * device.
191                 *
192                 * For example consider a program change event on MIDI channel
193                 * 3 for program number 18. This would cause this MIDI input
194                 * device to be connected to sampler channel 18 and would cause
195                 * sampler channel 18 to listen to MIDI channel 3.
196                 *
197                 * This is the current, general implementation of program
198                 * change events. It might change in future, e.g to allow
199                 * sampler engines to allow by themselfes how to act on a
200                 * program change event.
201                 *
202                 * @param Program     - sampler channel to connect to this MIDI
203                 *                      input device
204                 * @param MidiChannel - MIDI channel on which sampler channel
205                 *                      \a Program should listen to
206                 */
207                void DispatchProgramChange(uint8_t Program, uint MidiChannel);
208    
209                /**
210                 * Should be called by the implementing MIDI input device
211               * whenever a system exclusive message arrived, this will cause               * whenever a system exclusive message arrived, this will cause
212               * the message to be forwarded to all connected engines.               * the message to be forwarded to all connected engines.
213               *               *
# Line 195  namespace LinuxSampler { Line 221  namespace LinuxSampler {
221              int portNumber;              int portNumber;
222              std::map<String,DeviceRuntimeParameter*> Parameters;  ///< All port parameters.              std::map<String,DeviceRuntimeParameter*> Parameters;  ///< All port parameters.
223              std::set<EngineChannel*> MidiChannelMap[17]; ///< Contains the list of connected engines for each MIDI channel, where index 0 points to the list of engines which are connected to all MIDI channels. Usually it's not necessary for the descendant to use this map, instead it should just use the Dispatch* methods.              std::set<EngineChannel*> MidiChannelMap[17]; ///< Contains the list of connected engines for each MIDI channel, where index 0 points to the list of engines which are connected to all MIDI channels. Usually it's not necessary for the descendant to use this map, instead it should just use the Dispatch* methods.
224                Mutex MidiChannelMapMutex; ///< Used to protect the MidiChannelMap from being used at the same time by different threads.
225    
226              /**              /**
227               * Constructor               * Constructor
# Line 207  namespace LinuxSampler { Line 234  namespace LinuxSampler {
234              virtual ~MidiInputPort();              virtual ~MidiInputPort();
235    
236              friend class MidiInputDevice;              friend class MidiInputDevice;
237                
238            private:
239                EngineChannel* pPreviousProgramChangeEngineChannel; ///< Points to the engine channel which was connected by the previous DispatchProgramChange() call.
240      };      };
241    
242  } // namsepace LinuxSampler  } // namsepace LinuxSampler
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