/[svn]/gigedit/trunk/src/plugin/linuxsamplerplugin.cpp
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revision 1664 by schoenebeck, Mon Feb 4 00:40:03 2008 UTC revision 2841 by persson, Sun Aug 30 10:00:49 2015 UTC
# Line 1  Line 1 
1  /*  /*
2   * Copyright (C) 2007, 2008 Andreas Persson   * Copyright (C) 2007 - 2015 Andreas Persson
3   *   *
4   * This program is free software; you can redistribute it and/or   * This program is free software; you can redistribute it and/or
5   * modify it under the terms of the GNU General Public License as   * modify it under the terms of the GNU General Public License as
# Line 20  Line 20 
20  #include "linuxsamplerplugin.h"  #include "linuxsamplerplugin.h"
21    
22  #include <linuxsampler/plugins/InstrumentEditorFactory.h>  #include <linuxsampler/plugins/InstrumentEditorFactory.h>
23    #include <linuxsampler/engines/Engine.h>
24    #include <linuxsampler/engines/EngineChannel.h>
25  #include "../gigedit/gigedit.h"  #include "../gigedit/gigedit.h"
26    #include "../gigedit/global.h"
27    
28  #include <iostream>  #include <iostream>
29  #include <sigc++/bind.h>  #include <sigc++/bind.h>
# Line 33  LinuxSamplerPlugin::LinuxSamplerPlugin() Line 36  LinuxSamplerPlugin::LinuxSamplerPlugin()
36  }  }
37    
38  LinuxSamplerPlugin::~LinuxSamplerPlugin() {  LinuxSamplerPlugin::~LinuxSamplerPlugin() {
39      if (pApp) delete (GigEdit*) pApp;      if (pApp) delete static_cast<GigEdit*>(pApp);
40    }
41    
42    int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion, void* /*pUserData*/) {
43        return Main(pInstrument, sTypeName, sTypeVersion);
44  }  }
45    
46  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {  int LinuxSamplerPlugin::Main(void* pInstrument, String sTypeName, String sTypeVersion) {
47      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;      std::cout << "Entered Gigedit Main() loop :)\n" << std::flush;
48      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);      gig::Instrument* pGigInstr = static_cast<gig::Instrument*>(pInstrument);
49      GigEdit* app = (GigEdit*) pApp;      GigEdit* app = static_cast<GigEdit*>(pApp);
50    
51      // connect notification signals      // connect notification signals
52      app->signal_file_structure_to_be_changed().connect(      app->signal_file_structure_to_be_changed().connect(
# Line 96  int LinuxSamplerPlugin::Main(void* pInst Line 103  int LinuxSamplerPlugin::Main(void* pInst
103              "gig::DimensionRegion"              "gig::DimensionRegion"
104          )          )
105      );      );
106        app->signal_sample_changed().connect(
107            sigc::bind(
108                sigc::mem_fun(
109                    *this, &LinuxSamplerPlugin::NotifyDataStructureChanged
110                ),
111                "gig::Sample"
112            )
113        );
114      app->signal_sample_ref_changed().connect(      app->signal_sample_ref_changed().connect(
115          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)          sigc::mem_fun(*this, &LinuxSamplerPlugin::NotifySampleReferenceChanged)
116      );      );
# Line 106  int LinuxSamplerPlugin::Main(void* pInst Line 121  int LinuxSamplerPlugin::Main(void* pInst
121      app->signal_keyboard_key_released().connect(      app->signal_keyboard_key_released().connect(
122          sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)          sigc::mem_fun(*this, &LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased)
123      );      );
124        app->signal_switch_sampler_instrument().connect(
125            sigc::mem_fun(*this, &LinuxSamplerPlugin::__requestSamplerToSwitchInstrument)
126        );
127    
128      // register a timeout job to gigedit's main loop, so we can poll the      // register a timeout job to gigedit's main loop, so we can poll the
129      // the sampler periodically for MIDI events (I HOPE it works on all      // the sampler periodically for MIDI events (I HOPE it works on all
# Line 123  int LinuxSamplerPlugin::Main(void* pInst Line 141  int LinuxSamplerPlugin::Main(void* pInst
141  }  }
142    
143  bool LinuxSamplerPlugin::__onPollPeriod() {  bool LinuxSamplerPlugin::__onPollPeriod() {
144      GigEdit* app = (GigEdit*) pApp;      #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
145        GigEdit* app = static_cast<GigEdit*>(pApp);
146      if (!NotesChanged()) return true;      if (!NotesChanged()) return true;
147      for (int iKey = 0; iKey < 128; iKey++)      for (int iKey = 0; iKey < 128; iKey++)
148          if (NoteChanged(iKey))          if (NoteChanged(iKey))
# Line 131  bool LinuxSamplerPlugin::__onPollPeriod( Line 150  bool LinuxSamplerPlugin::__onPollPeriod(
150                  app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :                  app->on_note_on_event(iKey, NoteOnVelocity(iKey)) :
151                  app->on_note_off_event(iKey, NoteOffVelocity(iKey));                  app->on_note_off_event(iKey, NoteOffVelocity(iKey));
152      return true;      return true;
153        #else
154        return false;
155        #endif
156  }  }
157    
158  void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {  void LinuxSamplerPlugin::__onSamplesToBeRemoved(std::list<gig::Sample*> lSamples) {
# Line 138  void LinuxSamplerPlugin::__onSamplesToBe Line 160  void LinuxSamplerPlugin::__onSamplesToBe
160      std::set<void*> samples;      std::set<void*> samples;
161      for (      for (
162          std::list<gig::Sample*>::iterator iter = lSamples.begin();          std::list<gig::Sample*>::iterator iter = lSamples.begin();
163          iter != lSamples.end(); iter++          iter != lSamples.end(); ++iter
164      ) samples.insert((void*)*iter);      ) samples.insert((void*)*iter);
165      // finally send notification to sampler      // finally send notification to sampler
166      NotifySamplesToBeRemoved(samples);      NotifySamplesToBeRemoved(samples);
167  }  }
168    
169  void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {  void LinuxSamplerPlugin::__onVirtualKeyboardKeyHit(int Key, int Velocity) {
170        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
171      SendNoteOnToSampler(Key, Velocity);      SendNoteOnToSampler(Key, Velocity);
172        #endif
173  }  }
174    
175  void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {  void LinuxSamplerPlugin::__onVirtualKeyboardKeyReleased(int Key, int Velocity) {
176        #if HAVE_LINUXSAMPLER_VIRTUAL_MIDI_DEVICE
177      SendNoteOffToSampler(Key, Velocity);      SendNoteOffToSampler(Key, Velocity);
178        #endif
179    }
180    
181    void LinuxSamplerPlugin::__requestSamplerToSwitchInstrument(gig::Instrument* pInstrument) {
182        if (!pInstrument) return;
183    
184        LinuxSampler::EngineChannel* pEngineChannel = GetEngineChannel();
185        if (!pEngineChannel) return;
186    
187        LinuxSampler::Engine* pEngine = pEngineChannel->GetEngine();
188        if (!pEngine) return;
189    
190        LinuxSampler::InstrumentManager* pInstrumentManager = pEngine->GetInstrumentManager();
191        if (!pInstrumentManager) return;
192    
193        gig::File* pFile = (gig::File*) pInstrument->GetParent();
194    
195        // resolve instrument's index number in its gig file
196        int index = -1;
197        for (int i = 0; pFile->GetInstrument(i); ++i) {
198            if (pFile->GetInstrument(i) == pInstrument) {
199                index = i;
200                break;
201            }
202        }
203        if (index < 0) return;
204    
205        LinuxSampler::InstrumentManager::instrument_id_t id;
206        id.FileName = pFile->GetFileName();
207        id.Index    = index;
208        pInstrumentManager->LoadInstrumentInBackground(id, pEngineChannel);
209  }  }
210    
211  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {  bool LinuxSamplerPlugin::IsTypeSupported(String sTypeName, String sTypeVersion) {
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