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// qsamplerChannel.cpp |
// qsamplerChannel.cpp |
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// |
// |
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/**************************************************************************** |
/**************************************************************************** |
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Copyright (C) 2003-2004, rncbc aka Rui Nuno Capela. All rights reserved. |
Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved. |
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This program is free software; you can redistribute it and/or |
This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
modify it under the terms of the GNU General Public License |
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#include "qsamplerChannel.h" |
#include "qsamplerChannel.h" |
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#include "qsamplerMainForm.h" |
#include "qsamplerMainForm.h" |
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#include "qsamplerChannelForm.h" |
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#include "config.h" |
#include "config.h" |
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#include <qfileinfo.h> |
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#ifdef CONFIG_LIBGIG |
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#include "gig.h" |
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#endif |
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#define QSAMPLER_INSTRUMENT_MAX 8 |
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//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
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// qsamplerChannel - Sampler channel structure. |
// qsamplerChannel - Sampler channel structure. |
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m_pMainForm = pMainForm; |
m_pMainForm = pMainForm; |
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m_iChannelID = iChannelID; |
m_iChannelID = iChannelID; |
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|
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// m_sEngineName = QObject::tr("(No engine)"); |
// m_sEngineName = noEngineName(); |
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// m_sInstrumentFile = QObject::tr("(No instrument)"); |
// m_sInstrumentName = noInstrumentName(); |
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// m_sInstrumentFile = m_sInstrumentName; |
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m_iInstrumentNr = -1; |
m_iInstrumentNr = -1; |
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m_iInstrumentStatus = -1; |
m_iInstrumentStatus = -1; |
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m_sMidiDriver = "Alsa"; // DEPRECATED. |
m_sMidiDriver = "Alsa"; // DEPRECATED. |
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m_iChannelID = ::lscp_add_channel(client()); |
m_iChannelID = ::lscp_add_channel(client()); |
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if (m_iChannelID < 0) { |
if (m_iChannelID < 0) { |
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appendMessagesClient("lscp_add_channel"); |
appendMessagesClient("lscp_add_channel"); |
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appendMessagesError(QObject::tr("Could not create the new channel.\n\nSorry.")); |
appendMessagesError(QObject::tr("Could not add channel.\n\nSorry.")); |
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} // Otherwise it's created... |
} // Otherwise it's created... |
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else appendMessages(QObject::tr("Channel %1 created.").arg(m_iChannelID)); |
else appendMessages(QObject::tr("added.")); |
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} |
} |
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|
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// Return whether we're a valid channel... |
// Return whether we're a valid channel... |
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appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry.")); |
appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry.")); |
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} else { |
} else { |
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// Otherwise it's removed. |
// Otherwise it's removed. |
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appendMessages(QObject::tr("Channel %1 removed.").arg(m_iChannelID)); |
appendMessages(QObject::tr("removed.")); |
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m_iChannelID = -1; |
m_iChannelID = -1; |
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} |
} |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName) |
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return true; |
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if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { |
if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_engine"); |
appendMessagesClient("lscp_load_engine"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("Engine: %1.").arg(sEngineName)); |
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m_sEngineName = sEngineName; |
m_sEngineName = sEngineName; |
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return true; |
return true; |
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return m_iInstrumentNr; |
return m_iInstrumentNr; |
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} |
} |
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// Instrument name accessor. |
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QString& qsamplerChannel::instrumentName (void) |
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{ |
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return m_sInstrumentName; |
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} |
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// Instrument status accessor. |
// Instrument status accessor. |
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int qsamplerChannel::instrumentStatus (void) |
int qsamplerChannel::instrumentStatus (void) |
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{ |
{ |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (!isInstrumentFile(sInstrumentFile)) |
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return false; |
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if (m_iInstrumentStatus == 100 && m_sInstrumentFile == sInstrumentFile && m_iInstrumentNr == iInstrumentNr) |
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return true; |
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if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { |
if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_instrument"); |
appendMessagesClient("lscp_load_instrument"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("Instrument: \"%1\" (%2).") |
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.arg(sInstrumentFile).arg(iInstrumentNr)); |
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return setInstrument(sInstrumentFile, iInstrumentNr); |
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} |
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// Special instrument file/name/number settler. |
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bool qsamplerChannel::setInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) |
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{ |
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m_sInstrumentFile = sInstrumentFile; |
m_sInstrumentFile = sInstrumentFile; |
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m_iInstrumentNr = iInstrumentNr; |
m_iInstrumentNr = iInstrumentNr; |
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#ifdef CONFIG_INSTRUMENT_NAME |
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m_sInstrumentName = QString::null; // We'll get it, maybe later, on channel_info... |
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#else |
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m_sInstrumentName = getInstrumentName(sInstrumentFile, iInstrumentNr, true); |
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#endif |
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m_iInstrumentStatus = 0; |
m_iInstrumentStatus = 0; |
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return true; |
return true; |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver) |
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return true; |
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if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { |
if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_type"); |
appendMessagesClient("lscp_set_channel_midi_type"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("MIDI driver: %1.").arg(sMidiDriver)); |
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m_sMidiDriver = sMidiDriver; |
m_sMidiDriver = sMidiDriver; |
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return true; |
return true; |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_iMidiDevice == iMidiDevice) |
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return true; |
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if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { |
if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_device"); |
appendMessagesClient("lscp_set_channel_midi_device"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("MIDI device: %1.").arg(iMidiDevice)); |
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m_iMidiDevice = iMidiDevice; |
m_iMidiDevice = iMidiDevice; |
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return true; |
return true; |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_iMidiPort == iMidiPort) |
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return true; |
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if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { |
if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_port"); |
appendMessagesClient("lscp_set_channel_midi_port"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("MIDI port: %1.").arg(iMidiPort)); |
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m_iMidiPort = iMidiPort; |
m_iMidiPort = iMidiPort; |
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return true; |
return true; |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_iMidiChannel == iMidiChannel) |
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return true; |
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if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { |
if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_channel"); |
appendMessagesClient("lscp_set_channel_midi_channel"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("MIDI channel: %1.").arg(iMidiChannel)); |
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m_iMidiChannel = iMidiChannel; |
m_iMidiChannel = iMidiChannel; |
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return true; |
return true; |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_iAudioDevice == iAudioDevice) |
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return true; |
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if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { |
if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_audio_device"); |
appendMessagesClient("lscp_set_channel_audio_device"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("Audio device: %1.").arg(iAudioDevice)); |
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m_iAudioDevice = iAudioDevice; |
m_iAudioDevice = iAudioDevice; |
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return true; |
return true; |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver) |
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return true; |
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if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { |
if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_audio_type"); |
appendMessagesClient("lscp_set_channel_audio_type"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("Audio driver: %1.").arg(sAudioDriver)); |
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m_sAudioDriver = sAudioDriver; |
m_sAudioDriver = sAudioDriver; |
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return true; |
return true; |
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} |
} |
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{ |
{ |
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if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
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return false; |
return false; |
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if (m_iInstrumentStatus == 100 && m_fVolume == fVolume) |
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return true; |
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if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { |
if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_volume"); |
appendMessagesClient("lscp_set_channel_volume"); |
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return false; |
return false; |
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} |
} |
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appendMessages(QObject::tr("Volume: %1.").arg(fVolume)); |
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m_fVolume = fVolume; |
m_fVolume = fVolume; |
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return true; |
return true; |
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} |
} |
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// Istrument name remapper. |
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void qsamplerChannel::updateInstrumentName (void) |
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{ |
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#ifndef CONFIG_INSTRUMENT_NAME |
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m_sInstrumentName = getInstrumentName(m_sInstrumentFile, |
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m_iInstrumentNr, (options() && options()->bInstrumentNames)); |
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#endif |
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} |
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// Update whole channel info state. |
// Update whole channel info state. |
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bool qsamplerChannel::updateChannelInfo (void) |
bool qsamplerChannel::updateChannelInfo (void) |
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{ |
{ |
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return false; |
return false; |
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} |
} |
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// Cache in channel information. |
#ifdef CONFIG_INSTRUMENT_NAME |
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// We got all actual instrument datum... |
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m_sInstrumentFile = pChannelInfo->instrument_file; |
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m_iInstrumentNr = pChannelInfo->instrument_nr; |
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m_sInstrumentName = pChannelInfo->instrument_name; |
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#else |
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// First, check if intrument name has changed, |
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// taking care that instrument name lookup might be expensive, |
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// so we better make it only once and when really needed... |
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if ((m_sInstrumentFile != pChannelInfo->instrument_file) || |
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(m_iInstrumentNr != pChannelInfo->instrument_nr)) { |
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m_sInstrumentFile = pChannelInfo->instrument_file; |
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m_iInstrumentNr = pChannelInfo->instrument_nr; |
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updateInstrumentName(); |
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} |
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#endif |
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// Cache in other channel information. |
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m_sEngineName = pChannelInfo->engine_name; |
m_sEngineName = pChannelInfo->engine_name; |
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m_sInstrumentFile = pChannelInfo->instrument_file; |
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m_iInstrumentNr = pChannelInfo->instrument_nr; |
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m_iInstrumentStatus = pChannelInfo->instrument_status; |
m_iInstrumentStatus = pChannelInfo->instrument_status; |
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m_iMidiDevice = pChannelInfo->midi_device; |
m_iMidiDevice = pChannelInfo->midi_device; |
457 |
m_iMidiPort = pChannelInfo->midi_port; |
m_iMidiPort = pChannelInfo->midi_port; |
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// Some sanity checks. |
// Some sanity checks. |
462 |
if (m_sEngineName == "NONE") |
if (m_sEngineName == "NONE") |
463 |
m_sEngineName = QString::null; |
m_sEngineName = QString::null; |
464 |
if (m_sInstrumentFile == "NONE") |
if (m_sInstrumentFile == "NONE") { |
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m_sInstrumentFile = QString::null; |
m_sInstrumentFile = QString::null; |
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m_sInstrumentName = QString::null; |
467 |
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} |
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469 |
return true; |
return true; |
470 |
} |
} |
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473 |
// Reset channel method. |
// Reset channel method. |
474 |
bool qsamplerChannel::resetChannel (void) |
bool qsamplerChannel::channelReset (void) |
475 |
{ |
{ |
476 |
if (client() == NULL || m_iChannelID < 0) |
if (client() == NULL || m_iChannelID < 0) |
477 |
return false; |
return false; |
481 |
return false; |
return false; |
482 |
} |
} |
483 |
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484 |
appendMessages(QObject::tr("Channel %1 reset.").arg(m_iChannelID)); |
appendMessages(QObject::tr("reset.")); |
485 |
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486 |
return true; |
return true; |
487 |
} |
} |
488 |
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489 |
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490 |
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// Channel setup dialog form. |
491 |
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bool qsamplerChannel::channelSetup ( QWidget *pParent ) |
492 |
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{ |
493 |
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bool bResult = false; |
494 |
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appendMessages(QObject::tr("setup...")); |
496 |
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qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent); |
498 |
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if (pChannelForm) { |
499 |
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pChannelForm->setup(this); |
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bResult = pChannelForm->exec(); |
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delete pChannelForm; |
502 |
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} |
503 |
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504 |
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return bResult; |
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} |
506 |
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// Redirected messages output methods. |
// Redirected messages output methods. |
509 |
void qsamplerChannel::appendMessages( const QString& s ) |
void qsamplerChannel::appendMessages( const QString& s ) |
510 |
{ |
{ |
511 |
m_pMainForm->appendMessages(s); |
if (m_pMainForm) |
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m_pMainForm->appendMessages(channelName() + ' ' + s); |
513 |
} |
} |
514 |
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|
515 |
void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c ) |
void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c ) |
516 |
{ |
{ |
517 |
m_pMainForm->appendMessagesColor(s, c); |
if (m_pMainForm) |
518 |
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m_pMainForm->appendMessagesColor(channelName() + ' ' + s, c); |
519 |
} |
} |
520 |
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|
521 |
void qsamplerChannel::appendMessagesText( const QString& s ) |
void qsamplerChannel::appendMessagesText( const QString& s ) |
522 |
{ |
{ |
523 |
m_pMainForm->appendMessagesText(s); |
if (m_pMainForm) |
524 |
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m_pMainForm->appendMessagesText(channelName() + ' ' + s); |
525 |
} |
} |
526 |
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|
527 |
void qsamplerChannel::appendMessagesError( const QString& s ) |
void qsamplerChannel::appendMessagesError( const QString& s ) |
528 |
{ |
{ |
529 |
m_pMainForm->appendMessagesError(s); |
if (m_pMainForm) |
530 |
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m_pMainForm->appendMessagesError(channelName() + "\n\n" + s); |
531 |
} |
} |
532 |
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|
533 |
void qsamplerChannel::appendMessagesClient( const QString& s ) |
void qsamplerChannel::appendMessagesClient( const QString& s ) |
534 |
{ |
{ |
535 |
m_pMainForm->appendMessagesClient(s); |
if (m_pMainForm) |
536 |
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m_pMainForm->appendMessagesClient(channelName() + ' ' + s); |
537 |
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} |
538 |
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539 |
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540 |
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// Context menu event handler. |
541 |
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void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent ) |
542 |
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{ |
543 |
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if (m_pMainForm) |
544 |
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m_pMainForm->contextMenuEvent(pEvent); |
545 |
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} |
546 |
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547 |
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548 |
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// FIXME: Check whether a given file is an instrument file. |
549 |
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bool qsamplerChannel::isInstrumentFile ( const QString& sInstrumentFile ) |
550 |
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{ |
551 |
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bool bResult = false; |
552 |
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553 |
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QFile file(sInstrumentFile); |
554 |
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if (file.open(IO_ReadOnly)) { |
555 |
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char achHeader[4]; |
556 |
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if (file.readBlock(achHeader, 4)) { |
557 |
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bResult = (achHeader[0] == 'R' |
558 |
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&& achHeader[1] == 'I' |
559 |
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&& achHeader[2] == 'F' |
560 |
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&& achHeader[3] == 'F'); |
561 |
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} |
562 |
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file.close(); |
563 |
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} |
564 |
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565 |
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return bResult; |
566 |
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} |
567 |
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568 |
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569 |
|
// Retrieve the instrument list of a instrument file (.gig). |
570 |
|
QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile, |
571 |
|
bool bInstrumentNames ) |
572 |
|
{ |
573 |
|
QString sInstrumentName = QFileInfo(sInstrumentFile).fileName(); |
574 |
|
QStringList instlist; |
575 |
|
|
576 |
|
if (isInstrumentFile(sInstrumentFile)) { |
577 |
|
#ifdef CONFIG_LIBGIG |
578 |
|
if (bInstrumentNames) { |
579 |
|
RIFF::File *pRiff = new RIFF::File(sInstrumentFile); |
580 |
|
gig::File *pGig = new gig::File(pRiff); |
581 |
|
gig::Instrument *pInstrument = pGig->GetFirstInstrument(); |
582 |
|
while (pInstrument) { |
583 |
|
instlist.append((pInstrument->pInfo)->Name.c_str()); |
584 |
|
pInstrument = pGig->GetNextInstrument(); |
585 |
|
} |
586 |
|
delete pGig; |
587 |
|
delete pRiff; |
588 |
|
} |
589 |
|
else |
590 |
|
#endif |
591 |
|
for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++) |
592 |
|
instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]"); |
593 |
|
} |
594 |
|
else instlist.append(noInstrumentName()); |
595 |
|
|
596 |
|
return instlist; |
597 |
|
} |
598 |
|
|
599 |
|
|
600 |
|
// Retrieve the spacific instrument name of a instrument file (.gig), given its index. |
601 |
|
QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, |
602 |
|
int iInstrumentNr, bool bInstrumentNames ) |
603 |
|
{ |
604 |
|
QString sInstrumentName; |
605 |
|
|
606 |
|
if (isInstrumentFile(sInstrumentFile)) { |
607 |
|
sInstrumentName = QFileInfo(sInstrumentFile).fileName(); |
608 |
|
#ifdef CONFIG_LIBGIG |
609 |
|
if (bInstrumentNames) { |
610 |
|
RIFF::File *pRiff = new RIFF::File(sInstrumentFile); |
611 |
|
gig::File *pGig = new gig::File(pRiff); |
612 |
|
int iIndex = 0; |
613 |
|
gig::Instrument *pInstrument = pGig->GetFirstInstrument(); |
614 |
|
while (pInstrument) { |
615 |
|
if (iIndex == iInstrumentNr) { |
616 |
|
sInstrumentName = (pInstrument->pInfo)->Name.c_str(); |
617 |
|
break; |
618 |
|
} |
619 |
|
iIndex++; |
620 |
|
pInstrument = pGig->GetNextInstrument(); |
621 |
|
} |
622 |
|
delete pGig; |
623 |
|
delete pRiff; |
624 |
|
} |
625 |
|
else |
626 |
|
#endif |
627 |
|
sInstrumentName += " [" + QString::number(iInstrumentNr) + "]"; |
628 |
|
} |
629 |
|
else sInstrumentName = noInstrumentName(); |
630 |
|
|
631 |
|
return sInstrumentName; |
632 |
|
} |
633 |
|
|
634 |
|
|
635 |
|
// Common invalid name-helpers. |
636 |
|
QString qsamplerChannel::noEngineName (void) |
637 |
|
{ |
638 |
|
return QObject::tr("(No engine)"); |
639 |
|
} |
640 |
|
|
641 |
|
QString qsamplerChannel::noInstrumentName (void) |
642 |
|
{ |
643 |
|
return QObject::tr("(No instrument)"); |
644 |
} |
} |
645 |
|
|
646 |
|
|