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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005, 2006 Christian Schoenebeck * |
* Copyright (C) 2005 - 2008 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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#include <vector> |
#include <vector> |
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#include <map> |
#include <map> |
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#include "EventListeners.h" |
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#include "common/global.h" |
#include "common/global.h" |
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#include "common/Exception.h" |
#include "common/Exception.h" |
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#include "engines/EngineChannel.h" |
#include "engines/EngineChannel.h" |
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* |
* |
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* @param EngineType - type of the engine to use |
* @param EngineType - type of the engine to use |
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* @throws Exception - if \a EngineType is invalid |
* @throws Exception - if \a EngineType is invalid |
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* @see Sampler::AvailableEngineTypes() |
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*/ |
*/ |
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void SetEngineType(String EngineType) throw (Exception); |
void SetEngineType(String EngineType) throw (Exception); |
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*/ |
*/ |
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uint Index(); |
uint Index(); |
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/** Returns the sampler to which this channel belongs */ |
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Sampler* GetSampler(); |
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/** |
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* Registers the specified listener to be notified |
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* when the engine type of this sampler channel is changed. |
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*/ |
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void AddEngineChangeListener(EngineChangeListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveEngineChangeListener(EngineChangeListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveAllEngineChangeListeners(); |
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/** |
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* Notifies listeners that the engine type of this sampler |
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* channel is going to be changed soon. |
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*/ |
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void fireEngineToBeChanged(); |
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/** |
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* Notifies listeners that the engine |
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* type of this sampler channel is changed. |
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*/ |
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void fireEngineChanged(); |
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protected: |
protected: |
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SamplerChannel(Sampler* pS); |
SamplerChannel(Sampler* pS); |
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virtual ~SamplerChannel(); |
virtual ~SamplerChannel(); |
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private: |
private: |
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int iMidiPort; ///< Don't access directly, read GetMidiInputPort() instead ! |
int iMidiPort; ///< Don't access directly, read GetMidiInputPort() instead ! |
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midi_chan_t midiChannel; ///< Don't access directly, read GetMidiInputChannel() instead ! |
midi_chan_t midiChannel; ///< Don't access directly, read GetMidiInputChannel() instead ! |
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ListenerList<EngineChangeListener*> llEngineChangeListeners; |
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}; |
}; |
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/** @brief LinuxSampler main class |
/** @brief LinuxSampler main class |
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void RemoveSamplerChannel(uint uiSamplerChannel); |
void RemoveSamplerChannel(uint uiSamplerChannel); |
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/** |
/** |
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* Registers the specified listener to be notified |
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* when the number of sampler chanels is changed. |
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*/ |
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void AddChannelCountListener(ChannelCountListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveChannelCountListener(ChannelCountListener* l); |
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/** |
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* Registers the specified listener to be notified |
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* when the number of audio output devices is changed. |
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*/ |
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void AddAudioDeviceCountListener(AudioDeviceCountListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveAudioDeviceCountListener(AudioDeviceCountListener* l); |
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/** |
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* Registers the specified listener to be notified |
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* when the number of MIDI input devices is changed. |
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*/ |
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void AddMidiDeviceCountListener(MidiDeviceCountListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveMidiDeviceCountListener(MidiDeviceCountListener* l); |
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/** |
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* Registers the specified listener to be notified when the number |
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* of active voices in a particular sampler channel is changed. |
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*/ |
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void AddVoiceCountListener(VoiceCountListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveVoiceCountListener(VoiceCountListener* l); |
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/** |
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* Notifies listeners that the number of active voices |
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* on the specified sampler channel is changed. |
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* @param ChannelId The numerical ID of the sampler channel. |
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* @param NewCount The new number of active voices. |
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*/ |
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void fireVoiceCountChanged(int ChannelId, int NewCount); |
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/** |
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* Registers the specified listener to be notified when the number |
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* of active disk streams in a particular sampler channel is changed. |
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*/ |
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void AddStreamCountListener(StreamCountListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveStreamCountListener(StreamCountListener* l); |
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/** |
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* Notifies listeners that the number of active disk streams |
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* on the specified sampler channel is changed. |
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* @param ChannelId The numerical ID of the sampler channel. |
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* @param NewCount The new number of active disk streams. |
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*/ |
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void fireStreamCountChanged(int ChannelId, int NewCount); |
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/** |
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* Registers the specified listener to be |
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* notified when the fill state of the disk stream |
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* buffers on a specific sampler channel is changed. |
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*/ |
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void AddBufferFillListener(BufferFillListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveBufferFillListener(BufferFillListener* l); |
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/** |
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* Notifies listeners that the fill state of the disk stream |
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* buffers on the specified sampler channel is changed. |
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* @param ChannelId The numerical ID of the sampler channel. |
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* @param FillData The buffer fill data for the specified sampler channel. |
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*/ |
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void fireBufferFillChanged(int ChannelId, String FillData); |
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/** |
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* Registers the specified listener to be notified |
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* when total number of active voices is changed. |
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*/ |
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void AddTotalVoiceCountListener(TotalVoiceCountListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveTotalVoiceCountListener(TotalVoiceCountListener* l); |
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/** |
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* Notifies listeners that the total number of active voices is changed. |
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* @param NewCount The new number of active voices. |
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*/ |
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void fireTotalVoiceCountChanged(int NewCount); |
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void AddTotalStreamCountListener(TotalStreamCountListener* l); |
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void RemoveTotalStreamCountListener(TotalStreamCountListener* l); |
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void fireTotalStreamCountChanged(int NewCount); |
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/** |
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* Registers the specified listener to be notified when the number |
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* of effect sends on a particular sampler channel is changed. |
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*/ |
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void AddFxSendCountListener(FxSendCountListener* l); |
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/** |
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* Removes the specified listener. |
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*/ |
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void RemoveFxSendCountListener(FxSendCountListener* l); |
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/** |
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* Returns the names of all available audio output drivers. |
* Returns the names of all available audio output drivers. |
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*/ |
*/ |
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std::vector<String> AvailableAudioOutputDrivers(); |
std::vector<String> AvailableAudioOutputDrivers(); |
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/** |
/** |
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* Returns the names of all available MIDI input drivers. |
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*/ |
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std::vector<String> AvailableMidiInputDrivers(); |
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/** |
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* Returns the names of all available sampler engine types. |
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* @see SamplerChannel::SetEngineType() |
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*/ |
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std::vector<String> AvailableEngineTypes(); |
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/** |
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* Create an audio output device. |
* Create an audio output device. |
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* |
* |
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* @param AudioDriver - name of the audio driver |
* @param AudioDriver - name of the audio driver |
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*/ |
*/ |
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void DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception); |
void DestroyMidiInputDevice(MidiInputDevice* pDevice) throw (Exception); |
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/** |
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* Gets the current number of all active streams. |
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* @returns The current number of all active streams. |
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*/ |
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int GetDiskStreamCount(); |
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/** |
/** |
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* Gets the current number of all active voices. |
* Gets the current number of all active voices. |
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* @returns The current number of all active voices. |
* @returns The current number of all active voices. |
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*/ |
*/ |
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void Reset(); |
void Reset(); |
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/** |
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* Advise the FPU to treat denormal floating point numbers as |
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* zero, to avoid severe performance penalty when dealing with |
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* such extreme floating point values. |
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* |
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* @returns @c true if FPU supports it, @c false otherwise |
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*/ |
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static bool EnableDenormalsAreZeroMode(); |
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/** |
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* Notifies listeners about the current number of voices, |
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* streams and total voices, and the current fill state of |
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* the disk stream buffers. |
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*/ |
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void fireStatistics(); |
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protected: |
protected: |
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/** |
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* Notifies listeners that the number of sampler channels has been changed. |
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* @param NewCount The new number of sampler channels. |
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*/ |
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void fireChannelCountChanged(int NewCount); |
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/** |
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* Notifies listeners that the specified sampler channel has just |
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* been added. |
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* @param pChannel The new sampler channel. |
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*/ |
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void fireChannelAdded(SamplerChannel* pChannel); |
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/** |
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* Notifies listeners that the specified sampler channel is |
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* going to be removed soon. |
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* @param pChannel sampler channel to be removed. |
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*/ |
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void fireChannelToBeRemoved(SamplerChannel* pChannel); |
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/** |
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* Notifies listeners that the number of audio output devices has been changed. |
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* @param NewCount The new number of audio output devices. |
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*/ |
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void fireAudioDeviceCountChanged(int NewCount); |
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/** |
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* Notifies listeners that the number of MIDI input devices has been changed. |
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* @param NewCount The new number of MIDI input devices. |
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*/ |
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void fireMidiDeviceCountChanged(int NewCount); |
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/** |
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* Notifies listeners that the supplied MIDI input device is |
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* going to be destroyed soon. |
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* @param pDevice MIDI input device to be destroyed |
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*/ |
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void fireMidiDeviceToBeDestroyed(MidiInputDevice* pDevice); |
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/** |
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* Notifies listeners that the supplied MIDI input device was |
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* just created. |
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* @param pDevice new MIDI input device |
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*/ |
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void fireMidiDeviceCreated(MidiInputDevice* pDevice); |
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/** |
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* Notifies listeners that the number of effect sends |
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* on a particular sampler channel is changed. |
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* @param ChannelId The numerical ID of the sampler channel. |
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* @param NewCount The new number of sampler channels. |
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*/ |
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void fireFxSendCountChanged(int ChannelId, int NewCount); |
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typedef std::map<uint, AudioOutputDevice*> AudioOutputDeviceMap; |
typedef std::map<uint, AudioOutputDevice*> AudioOutputDeviceMap; |
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typedef std::map<uint, MidiInputDevice*> MidiInputDeviceMap; |
typedef std::map<uint, MidiInputDevice*> MidiInputDeviceMap; |
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typedef std::map<uint, SamplerChannel*> SamplerChannelMap; |
typedef std::map<uint, SamplerChannel*> SamplerChannelMap; |
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AudioOutputDeviceMap mAudioOutputDevices; ///< contains all created audio output devices |
AudioOutputDeviceMap mAudioOutputDevices; ///< contains all created audio output devices |
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MidiInputDeviceMap mMidiInputDevices; ///< contains all created MIDI input devices |
MidiInputDeviceMap mMidiInputDevices; ///< contains all created MIDI input devices |
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// statistics cache |
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uint uiOldTotalVoiceCount; |
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uint uiOldTotalStreamCount; |
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std::map<uint, uint> mOldVoiceCounts; |
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std::map<uint, uint> mOldStreamCounts; |
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friend class SamplerChannel; |
friend class SamplerChannel; |
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private: |
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ListenerList<ChannelCountListener*> llChannelCountListeners; |
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ListenerList<AudioDeviceCountListener*> llAudioDeviceCountListeners; |
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ListenerList<MidiDeviceCountListener*> llMidiDeviceCountListeners; |
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ListenerList<VoiceCountListener*> llVoiceCountListeners; |
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ListenerList<StreamCountListener*> llStreamCountListeners; |
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ListenerList<BufferFillListener*> llBufferFillListeners; |
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ListenerList<TotalStreamCountListener*> llTotalStreamCountListeners; |
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ListenerList<TotalVoiceCountListener*> llTotalVoiceCountListeners; |
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ListenerList<FxSendCountListener*> llFxSendCountListeners; |
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class EventHandler : public EngineChangeListener, public FxSendCountListener { |
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public: |
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void SetSampler(Sampler* pSampler) { this->pSampler = pSampler; } |
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/** |
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* Invoked when the engine type of the specified sampler |
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* channel is going to be changed soon. |
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* @param ChannelId The numerical ID of the sampler channel |
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*/ |
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virtual void EngineToBeChanged(int ChannelId); |
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/** |
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* Invoked when the engine type of the |
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* specified sampler channel is changed. |
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* @param ChannelId The numerical ID of the sampler |
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* channel, which engine type has been changed. |
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*/ |
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virtual void EngineChanged(int ChannelId); |
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/** |
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* Invoked when the number of effect sends |
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* on the specified sampler channel has changed. |
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* @param ChannelId The numerical ID of the sampler channel. |
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* @param NewCount The new number of effect sends. |
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*/ |
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virtual void FxSendCountChanged(int ChannelId, int NewCount); |
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private: |
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Sampler* pSampler; |
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} eventHandler; |
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}; |
}; |
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} |
} |
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