/[svn]/qsampler/trunk/src/qsamplerChannel.cpp
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Diff of /qsampler/trunk/src/qsamplerChannel.cpp

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revision 300 by capela, Wed Nov 17 15:55:02 2004 UTC revision 344 by capela, Tue Jan 18 13:53:04 2005 UTC
# Line 1  Line 1 
1  // qsamplerChannel.cpp  // qsamplerChannel.cpp
2  //  //
3  /****************************************************************************  /****************************************************************************
4     Copyright (C) 2003-2004, rncbc aka Rui Nuno Capela. All rights reserved.     Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved.
5    
6     This program is free software; you can redistribute it and/or     This program is free software; you can redistribute it and/or
7     modify it under the terms of the GNU General Public License     modify it under the terms of the GNU General Public License
# Line 22  Line 22 
22  #include "qsamplerChannel.h"  #include "qsamplerChannel.h"
23    
24  #include "qsamplerMainForm.h"  #include "qsamplerMainForm.h"
25    #include "qsamplerChannelForm.h"
26    
27  #include "config.h"  #include "config.h"
28    
# Line 29  Line 30 
30    
31  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
32  #include "gig.h"  #include "gig.h"
 #else  
 #define QSAMPLER_INSTRUMENT_MAX 8  
33  #endif  #endif
34    
35    #define QSAMPLER_INSTRUMENT_MAX 8
36    
37    
38  //-------------------------------------------------------------------------  //-------------------------------------------------------------------------
39  // qsamplerChannel - Sampler channel structure.  // qsamplerChannel - Sampler channel structure.
# Line 45  qsamplerChannel::qsamplerChannel ( qsamp Line 46  qsamplerChannel::qsamplerChannel ( qsamp
46      m_iChannelID = iChannelID;      m_iChannelID = iChannelID;
47    
48  //  m_sEngineName       = QObject::tr("(No engine)");  //  m_sEngineName       = QObject::tr("(No engine)");
49  //  m_sInstrumentFile   = QObject::tr("(No instrument)");  //  m_sInstrumentName   = QObject::tr("(No instrument)");
50    //  m_sInstrumentFile   = m_sInstrumentName;
51      m_iInstrumentNr     = -1;      m_iInstrumentNr     = -1;
52      m_iInstrumentStatus = -1;      m_iInstrumentStatus = -1;
53      m_sMidiDriver       = "Alsa";   // DEPRECATED.      m_sMidiDriver       = "Alsa";   // DEPRECATED.
# Line 168  bool qsamplerChannel::loadEngine ( const Line 170  bool qsamplerChannel::loadEngine ( const
170  }  }
171    
172    
173    // Instrument name accessor.
174    QString& qsamplerChannel::instrumentName (void)
175    {
176        return m_sInstrumentName;
177    }
178    
179  // Instrument filename accessor.  // Instrument filename accessor.
180  QString& qsamplerChannel::instrumentFile (void)  QString& qsamplerChannel::instrumentFile (void)
181  {  {
# Line 197  bool qsamplerChannel::loadInstrument ( c Line 205  bool qsamplerChannel::loadInstrument ( c
205          return false;          return false;
206      }      }
207    
208        m_sInstrumentName = getInstrumentName(sInstrumentFile, iInstrumentNr, true);
209      m_sInstrumentFile = sInstrumentFile;      m_sInstrumentFile = sInstrumentFile;
210      m_iInstrumentNr = iInstrumentNr;      m_iInstrumentNr = iInstrumentNr;
211      m_iInstrumentStatus = 0;      m_iInstrumentStatus = 0;
# Line 366  bool qsamplerChannel::updateChannelInfo Line 375  bool qsamplerChannel::updateChannelInfo
375          return false;          return false;
376      }      }
377    
378      // Cache in channel information.      // First, check if intrument name has changed,
379        // taking care that instrument name lookup might be expensive,
380        // so we better make it only once and when really needed...
381        if ((m_sInstrumentFile != pChannelInfo->instrument_file) ||
382            (m_iInstrumentNr   != pChannelInfo->instrument_nr)) {
383            m_sInstrumentFile = pChannelInfo->instrument_file;
384            m_iInstrumentNr   = pChannelInfo->instrument_nr;
385                    m_sInstrumentName = getInstrumentName(m_sInstrumentFile,
386                            m_iInstrumentNr, (options() && options()->bInstrumentNames));
387            }
388        // Cache in other channel information.
389      m_sEngineName       = pChannelInfo->engine_name;      m_sEngineName       = pChannelInfo->engine_name;
     m_sInstrumentFile   = pChannelInfo->instrument_file;  
     m_iInstrumentNr     = pChannelInfo->instrument_nr;  
390      m_iInstrumentStatus = pChannelInfo->instrument_status;      m_iInstrumentStatus = pChannelInfo->instrument_status;
391      m_iMidiDevice       = pChannelInfo->midi_device;      m_iMidiDevice       = pChannelInfo->midi_device;
392      m_iMidiPort         = pChannelInfo->midi_port;      m_iMidiPort         = pChannelInfo->midi_port;
# Line 379  bool qsamplerChannel::updateChannelInfo Line 396  bool qsamplerChannel::updateChannelInfo
396      // Some sanity checks.      // Some sanity checks.
397      if (m_sEngineName == "NONE")      if (m_sEngineName == "NONE")
398          m_sEngineName = QString::null;          m_sEngineName = QString::null;
399      if (m_sInstrumentFile == "NONE")      if (m_sInstrumentFile == "NONE") {
400          m_sInstrumentFile = QString::null;          m_sInstrumentFile = QString::null;
401            m_sInstrumentName = QString::null;
402            }
403    
404      return true;      return true;
405  }  }
# Line 402  bool qsamplerChannel::resetChannel (void Line 421  bool qsamplerChannel::resetChannel (void
421  }  }
422    
423    
424    // Channel setup dialog form.
425    bool qsamplerChannel::channelSetup ( QWidget *pParent )
426    {
427        bool bResult = false;
428    
429        qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent);
430        if (pChannelForm) {
431            pChannelForm->setup(this);
432            bResult = pChannelForm->exec();
433            delete pChannelForm;
434        }
435    
436        return bResult;
437    }
438    
439    
440  // Redirected messages output methods.  // Redirected messages output methods.
441  void qsamplerChannel::appendMessages( const QString& s )  void qsamplerChannel::appendMessages( const QString& s )
442  {  {
443      m_pMainForm->appendMessages(s);      if (m_pMainForm) m_pMainForm->appendMessages(s);
444  }  }
445    
446  void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c )  void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c )
447  {  {
448      m_pMainForm->appendMessagesColor(s, c);      if (m_pMainForm) m_pMainForm->appendMessagesColor(s, c);
449  }  }
450    
451  void qsamplerChannel::appendMessagesText( const QString& s )  void qsamplerChannel::appendMessagesText( const QString& s )
452  {  {
453      m_pMainForm->appendMessagesText(s);      if (m_pMainForm) m_pMainForm->appendMessagesText(s);
454  }  }
455    
456  void qsamplerChannel::appendMessagesError( const QString& s )  void qsamplerChannel::appendMessagesError( const QString& s )
457  {  {
458      m_pMainForm->appendMessagesError(s);      if (m_pMainForm) m_pMainForm->appendMessagesError(s);
459  }  }
460    
461  void qsamplerChannel::appendMessagesClient( const QString& s )  void qsamplerChannel::appendMessagesClient( const QString& s )
462  {  {
463      m_pMainForm->appendMessagesClient(s);      if (m_pMainForm) m_pMainForm->appendMessagesClient(s);
464    }
465    
466    
467    // Context menu event handler.
468    void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent )
469    {
470        if (m_pMainForm) m_pMainForm->contextMenuEvent(pEvent);
471  }  }
472    
473    
474  // Retrieve the instrument list of a instrument file (.gig).  // Retrieve the instrument list of a instrument file (.gig).
475  QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile )  QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile,
476            bool bInstrumentNames )
477  {  {
478      QFileInfo fileinfo(sInstrumentFile);      QFileInfo fileinfo(sInstrumentFile);
479      QString sInstrumentName = fileinfo.fileName();      QString sInstrumentName = fileinfo.fileName();
# Line 438  QStringList qsamplerChannel::getInstrume Line 481  QStringList qsamplerChannel::getInstrume
481    
482      if (fileinfo.exists()) {      if (fileinfo.exists()) {
483  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
484          RIFF::File *pRiff = new RIFF::File(sInstrumentFile);                  if (bInstrumentNames) {
485          gig::File  *pGig  = new gig::File(pRiff);                  RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
486          gig::Instrument *pInstrument = pGig->GetFirstInstrument();                  gig::File  *pGig  = new gig::File(pRiff);
487          while (pInstrument) {                  gig::Instrument *pInstrument = pGig->GetFirstInstrument();
488              sInstrumentName = (pInstrument->pInfo)->Name;                  while (pInstrument) {
489              instlist.append(sInstrumentName);                      instlist.append((pInstrument->pInfo)->Name.c_str());
490              pInstrument = pGig->GetNextInstrument();                      pInstrument = pGig->GetNextInstrument();
491          }                  }
492          delete pGig;                  delete pGig;
493          delete pRiff;                  delete pRiff;
494  #else                  }
495                    else
496    #endif
497          for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)          for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)
498              instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");              instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");
 #endif  
499      }      }
500      else instlist.append(sInstrumentName);      else instlist.append(sInstrumentName);
501        
502      return instlist;      return instlist;
503  }  }
504    
505    
506  // Retrieve the spacific instrument name of a instrument file (.gig), given its index.  // Retrieve the spacific instrument name of a instrument file (.gig), given its index.
507  QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, int iInstrumentNr )  QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile,
508            int iInstrumentNr, bool bInstrumentNames )
509  {  {
510      QFileInfo fileinfo(sInstrumentFile);      QFileInfo fileinfo(sInstrumentFile);
511      QString sInstrumentName = fileinfo.fileName();      QString sInstrumentName = fileinfo.fileName();
512    
513      if (fileinfo.exists()) {      if (fileinfo.exists()) {
514  #ifdef CONFIG_LIBGIG  #ifdef CONFIG_LIBGIG
515          RIFF::File *pRiff = new RIFF::File(sInstrumentFile);                  if (bInstrumentNames) {
516          gig::File  *pGig  = new gig::File(pRiff);                  RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
517          int iIndex = 0;                  gig::File  *pGig  = new gig::File(pRiff);
518          gig::Instrument *pInstrument = pGig->GetFirstInstrument();                  int iIndex = 0;
519          while (pInstrument) {                  gig::Instrument *pInstrument = pGig->GetFirstInstrument();
520              if (iIndex == iInstrumentNr) {                  while (pInstrument) {
521                  sInstrumentName = (pInstrument->pInfo)->Name;                      if (iIndex == iInstrumentNr) {
522                  break;                          sInstrumentName = (pInstrument->pInfo)->Name.c_str();
523              }                          break;
524              iIndex++;                      }
525              pInstrument = pGig->GetNextInstrument();                      iIndex++;
526          }                      pInstrument = pGig->GetNextInstrument();
527          delete pGig;                  }
528          delete pRiff;                  delete pGig;
529  #else                  delete pRiff;
530          sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";                  }
531                    else
532  #endif  #endif
533            sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";
534      }      }
535    
536      return sInstrumentName;      return sInstrumentName;
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