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// 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. |
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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 |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*****************************************************************************/ |
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#include "qsamplerChannel.h" |
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#include "qsamplerMainForm.h" |
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#include "qsamplerChannelForm.h" |
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#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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#else |
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#define QSAMPLER_INSTRUMENT_MAX 8 |
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#endif |
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//------------------------------------------------------------------------- |
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// qsamplerChannel - Sampler channel structure. |
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// |
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// Constructor. |
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qsamplerChannel::qsamplerChannel ( qsamplerMainForm *pMainForm, int iChannelID ) |
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{ |
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m_pMainForm = pMainForm; |
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m_iChannelID = iChannelID; |
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// m_sEngineName = QObject::tr("(No engine)"); |
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// m_sInstrumentFile = QObject::tr("(No instrument)"); |
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m_iInstrumentNr = -1; |
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m_iInstrumentStatus = -1; |
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m_sMidiDriver = "Alsa"; // DEPRECATED. |
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m_iMidiDevice = -1; |
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m_iMidiPort = -1; |
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m_iMidiChannel = -1; |
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m_sAudioDriver = "Alsa"; // DEPRECATED. |
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m_iAudioDevice = -1; |
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m_fVolume = 0.0; |
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} |
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// Default destructor. |
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qsamplerChannel::~qsamplerChannel (void) |
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{ |
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} |
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// The global options settings delegated property. |
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qsamplerOptions *qsamplerChannel::options (void) |
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{ |
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if (m_pMainForm == NULL) |
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return NULL; |
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return m_pMainForm->options(); |
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} |
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// The client descriptor delegated property. |
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lscp_client_t *qsamplerChannel::client (void) |
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{ |
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if (m_pMainForm == NULL) |
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return NULL; |
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return m_pMainForm->client(); |
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} |
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// Create a new sampler channel, if not already. |
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bool qsamplerChannel::addChannel (void) |
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{ |
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if (client() == NULL) |
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return false; |
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// Are we a new channel? |
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if (m_iChannelID < 0) { |
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m_iChannelID = ::lscp_add_channel(client()); |
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if (m_iChannelID < 0) { |
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appendMessagesClient("lscp_add_channel"); |
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appendMessagesError(QObject::tr("Could not create the new channel.\n\nSorry.")); |
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} // Otherwise it's created... |
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else appendMessages(QObject::tr("Channel %1 created.").arg(m_iChannelID)); |
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} |
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// Return whether we're a valid channel... |
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return (m_iChannelID >= 0); |
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} |
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// Remove sampler channel. |
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bool qsamplerChannel::removeChannel (void) |
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{ |
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if (client() == NULL) |
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return false; |
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// Are we an existing channel? |
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if (m_iChannelID >= 0) { |
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if (::lscp_remove_channel(client(), m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_remove_channel"); |
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appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry.")); |
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} else { |
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// Otherwise it's removed. |
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appendMessages(QObject::tr("Channel %1 removed.").arg(m_iChannelID)); |
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m_iChannelID = -1; |
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} |
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} |
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// Return whether we've removed the channel... |
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return (m_iChannelID < 0); |
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} |
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// Channel-ID (aka Sammpler-Channel) accessors. |
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int qsamplerChannel::channelID (void) |
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{ |
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return m_iChannelID; |
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} |
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void qsamplerChannel::setChannelID ( int iChannelID ) |
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{ |
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m_iChannelID = iChannelID; |
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} |
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// Readable channel name. |
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QString qsamplerChannel::channelName (void) |
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{ |
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return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID)); |
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} |
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// Engine name accessors. |
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QString& qsamplerChannel::engineName (void) |
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{ |
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return m_sEngineName; |
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} |
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bool qsamplerChannel::loadEngine ( const QString& sEngineName ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_engine"); |
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return false; |
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} |
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m_sEngineName = sEngineName; |
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return true; |
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} |
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// Instrument filename accessor. |
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QString& qsamplerChannel::instrumentFile (void) |
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{ |
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return m_sInstrumentFile; |
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} |
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// Instrument index accessor. |
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int qsamplerChannel::instrumentNr (void) |
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{ |
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return m_iInstrumentNr; |
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} |
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// Instrument status accessor. |
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int qsamplerChannel::instrumentStatus (void) |
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{ |
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return m_iInstrumentStatus; |
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} |
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// Instrument file loader. |
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bool qsamplerChannel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_load_instrument"); |
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return false; |
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} |
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m_sInstrumentFile = sInstrumentFile; |
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m_iInstrumentNr = iInstrumentNr; |
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m_iInstrumentStatus = 0; |
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return true; |
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} |
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// MIDI driver type accessors (DEPRECATED). |
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QString& qsamplerChannel::midiDriver (void) |
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{ |
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return m_sMidiDriver; |
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} |
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bool qsamplerChannel::setMidiDriver ( const QString& sMidiDriver ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_type"); |
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return false; |
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} |
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m_sMidiDriver = sMidiDriver; |
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return true; |
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} |
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// MIDI device accessors. |
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int qsamplerChannel::midiDevice (void) |
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{ |
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return m_iMidiDevice; |
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} |
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bool qsamplerChannel::setMidiDevice ( int iMidiDevice ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_device"); |
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return false; |
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} |
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m_iMidiDevice = iMidiDevice; |
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return true; |
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} |
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// MIDI port number accessor. |
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int qsamplerChannel::midiPort (void) |
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{ |
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return m_iMidiPort; |
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} |
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bool qsamplerChannel::setMidiPort ( int iMidiPort ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_port"); |
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return false; |
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} |
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m_iMidiPort = iMidiPort; |
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return true; |
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} |
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// MIDI channel accessor. |
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int qsamplerChannel::midiChannel (void) |
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{ |
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return m_iMidiChannel; |
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} |
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bool qsamplerChannel::setMidiChannel ( int iMidiChannel ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_midi_channel"); |
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return false; |
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} |
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m_iMidiChannel = iMidiChannel; |
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return true; |
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} |
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// Audio device accessor. |
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int qsamplerChannel::audioDevice (void) |
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{ |
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return m_iAudioDevice; |
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} |
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bool qsamplerChannel::setAudioDevice ( int iAudioDevice ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_audio_device"); |
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return false; |
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} |
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m_iAudioDevice = iAudioDevice; |
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return true; |
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} |
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// Audio driver type accessors (DEPRECATED). |
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QString& qsamplerChannel::audioDriver (void) |
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{ |
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return m_sAudioDriver; |
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} |
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bool qsamplerChannel::setAudioDriver ( const QString& sAudioDriver ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_audio_type"); |
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return false; |
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} |
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m_sAudioDriver = sAudioDriver; |
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return true; |
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} |
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// Channel volume accessors. |
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float qsamplerChannel::volume (void) |
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{ |
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return m_fVolume; |
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} |
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bool qsamplerChannel::setVolume ( float fVolume ) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { |
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appendMessagesClient("lscp_set_channel_volume"); |
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return false; |
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} |
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m_fVolume = fVolume; |
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return true; |
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} |
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// Update whole channel info state. |
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bool qsamplerChannel::updateChannelInfo (void) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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// Read channel information. |
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lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID); |
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if (pChannelInfo == NULL) { |
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appendMessagesClient("lscp_get_channel_info"); |
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appendMessagesError(QObject::tr("Could not get channel information.\n\nSorry.")); |
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return false; |
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} |
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// Cache in channel information. |
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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; |
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m_iMidiDevice = pChannelInfo->midi_device; |
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m_iMidiPort = pChannelInfo->midi_port; |
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m_iMidiChannel = pChannelInfo->midi_channel; |
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m_iAudioDevice = pChannelInfo->audio_device; |
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m_fVolume = pChannelInfo->volume; |
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// Some sanity checks. |
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if (m_sEngineName == "NONE") |
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m_sEngineName = QString::null; |
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if (m_sInstrumentFile == "NONE") |
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m_sInstrumentFile = QString::null; |
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return true; |
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} |
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// Reset channel method. |
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bool qsamplerChannel::resetChannel (void) |
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{ |
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if (client() == NULL || m_iChannelID < 0) |
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return false; |
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|
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if (::lscp_reset_channel(client(), m_iChannelID) != LSCP_OK) { |
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appendMessagesClient("lscp_reset_channel"); |
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return false; |
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} |
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appendMessages(QObject::tr("Channel %1 reset.").arg(m_iChannelID)); |
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return true; |
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} |
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capela |
303 |
// Channel setup dialog form. |
407 |
|
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bool qsamplerChannel::channelSetup ( QWidget *pParent ) |
408 |
|
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{ |
409 |
|
|
bool bResult = false; |
410 |
|
|
|
411 |
|
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qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent); |
412 |
|
|
if (pChannelForm) { |
413 |
|
|
pChannelForm->setup(this); |
414 |
|
|
bResult = pChannelForm->exec(); |
415 |
|
|
delete pChannelForm; |
416 |
|
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} |
417 |
|
|
|
418 |
|
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return bResult; |
419 |
|
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} |
420 |
|
|
|
421 |
|
|
|
422 |
capela |
264 |
// Redirected messages output methods. |
423 |
|
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void qsamplerChannel::appendMessages( const QString& s ) |
424 |
|
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{ |
425 |
capela |
303 |
if (m_pMainForm) m_pMainForm->appendMessages(s); |
426 |
capela |
264 |
} |
427 |
|
|
|
428 |
|
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void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c ) |
429 |
|
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{ |
430 |
capela |
303 |
if (m_pMainForm) m_pMainForm->appendMessagesColor(s, c); |
431 |
capela |
264 |
} |
432 |
|
|
|
433 |
|
|
void qsamplerChannel::appendMessagesText( const QString& s ) |
434 |
|
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{ |
435 |
capela |
303 |
if (m_pMainForm) m_pMainForm->appendMessagesText(s); |
436 |
capela |
264 |
} |
437 |
|
|
|
438 |
|
|
void qsamplerChannel::appendMessagesError( const QString& s ) |
439 |
|
|
{ |
440 |
capela |
303 |
if (m_pMainForm) m_pMainForm->appendMessagesError(s); |
441 |
capela |
264 |
} |
442 |
|
|
|
443 |
|
|
void qsamplerChannel::appendMessagesClient( const QString& s ) |
444 |
|
|
{ |
445 |
capela |
303 |
if (m_pMainForm) m_pMainForm->appendMessagesClient(s); |
446 |
capela |
264 |
} |
447 |
|
|
|
448 |
|
|
|
449 |
capela |
303 |
// Context menu event handler. |
450 |
|
|
void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent ) |
451 |
|
|
{ |
452 |
|
|
if (m_pMainForm) m_pMainForm->contextMenuEvent(pEvent); |
453 |
|
|
} |
454 |
|
|
|
455 |
|
|
|
456 |
capela |
299 |
// Retrieve the instrument list of a instrument file (.gig). |
457 |
|
|
QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile ) |
458 |
|
|
{ |
459 |
|
|
QFileInfo fileinfo(sInstrumentFile); |
460 |
|
|
QString sInstrumentName = fileinfo.fileName(); |
461 |
|
|
QStringList instlist; |
462 |
|
|
|
463 |
|
|
if (fileinfo.exists()) { |
464 |
|
|
#ifdef CONFIG_LIBGIG |
465 |
|
|
RIFF::File *pRiff = new RIFF::File(sInstrumentFile); |
466 |
|
|
gig::File *pGig = new gig::File(pRiff); |
467 |
|
|
gig::Instrument *pInstrument = pGig->GetFirstInstrument(); |
468 |
|
|
while (pInstrument) { |
469 |
|
|
sInstrumentName = (pInstrument->pInfo)->Name; |
470 |
|
|
instlist.append(sInstrumentName); |
471 |
|
|
pInstrument = pGig->GetNextInstrument(); |
472 |
|
|
} |
473 |
|
|
delete pGig; |
474 |
|
|
delete pRiff; |
475 |
|
|
#else |
476 |
|
|
for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++) |
477 |
|
|
instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]"); |
478 |
|
|
#endif |
479 |
|
|
} |
480 |
|
|
else instlist.append(sInstrumentName); |
481 |
|
|
|
482 |
|
|
return instlist; |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
|
486 |
|
|
// Retrieve the spacific instrument name of a instrument file (.gig), given its index. |
487 |
|
|
QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, int iInstrumentNr ) |
488 |
|
|
{ |
489 |
|
|
QFileInfo fileinfo(sInstrumentFile); |
490 |
|
|
QString sInstrumentName = fileinfo.fileName(); |
491 |
|
|
|
492 |
|
|
if (fileinfo.exists()) { |
493 |
|
|
#ifdef CONFIG_LIBGIG |
494 |
|
|
RIFF::File *pRiff = new RIFF::File(sInstrumentFile); |
495 |
|
|
gig::File *pGig = new gig::File(pRiff); |
496 |
|
|
int iIndex = 0; |
497 |
|
|
gig::Instrument *pInstrument = pGig->GetFirstInstrument(); |
498 |
|
|
while (pInstrument) { |
499 |
|
|
if (iIndex == iInstrumentNr) { |
500 |
|
|
sInstrumentName = (pInstrument->pInfo)->Name; |
501 |
|
|
break; |
502 |
|
|
} |
503 |
|
|
iIndex++; |
504 |
|
|
pInstrument = pGig->GetNextInstrument(); |
505 |
|
|
} |
506 |
|
|
delete pGig; |
507 |
|
|
delete pRiff; |
508 |
|
|
#else |
509 |
|
|
sInstrumentName += " [" + QString::number(iInstrumentNr) + "]"; |
510 |
|
|
#endif |
511 |
|
|
} |
512 |
|
|
|
513 |
|
|
return sInstrumentName; |
514 |
|
|
} |
515 |
|
|
|
516 |
|
|
|
517 |
capela |
264 |
// end of qsamplerChannel.cpp |