--- qsampler/trunk/src/qsamplerChannel.cpp 2004/11/19 16:54:53 306 +++ qsampler/trunk/src/qsamplerChannel.cpp 2005/03/22 12:55:29 484 @@ -1,7 +1,7 @@ // qsamplerChannel.cpp // /**************************************************************************** - Copyright (C) 2003-2004, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -30,10 +30,10 @@ #ifdef CONFIG_LIBGIG #include "gig.h" -#else -#define QSAMPLER_INSTRUMENT_MAX 8 #endif +#define QSAMPLER_INSTRUMENT_MAX 8 + //------------------------------------------------------------------------- // qsamplerChannel - Sampler channel structure. @@ -42,20 +42,21 @@ // Constructor. qsamplerChannel::qsamplerChannel ( qsamplerMainForm *pMainForm, int iChannelID ) { - m_pMainForm = pMainForm; - m_iChannelID = iChannelID; + m_pMainForm = pMainForm; + m_iChannelID = iChannelID; -// m_sEngineName = QObject::tr("(No engine)"); -// m_sInstrumentFile = QObject::tr("(No instrument)"); - m_iInstrumentNr = -1; - m_iInstrumentStatus = -1; - m_sMidiDriver = "Alsa"; // DEPRECATED. - m_iMidiDevice = -1; - m_iMidiPort = -1; - m_iMidiChannel = -1; - m_sAudioDriver = "Alsa"; // DEPRECATED. - m_iAudioDevice = -1; - m_fVolume = 0.0; +// m_sEngineName = noEngineName(); +// m_sInstrumentName = noInstrumentName(); +// m_sInstrumentFile = m_sInstrumentName; + m_iInstrumentNr = -1; + m_iInstrumentStatus = -1; + m_sMidiDriver = "Alsa"; // DEPRECATED. + m_iMidiDevice = -1; + m_iMidiPort = -1; + m_iMidiChannel = -1; + m_sAudioDriver = "Alsa"; // DEPRECATED. + m_iAudioDevice = -1; + m_fVolume = 0.0; } @@ -65,451 +66,607 @@ } +// Main application form accessor. +qsamplerMainForm *qsamplerChannel::mainForm(void) const +{ + return m_pMainForm; +} + + // The global options settings delegated property. -qsamplerOptions *qsamplerChannel::options (void) +qsamplerOptions *qsamplerChannel::options (void) const { - if (m_pMainForm == NULL) - return NULL; + if (m_pMainForm == NULL) + return NULL; - return m_pMainForm->options(); + return m_pMainForm->options(); } // The client descriptor delegated property. -lscp_client_t *qsamplerChannel::client (void) +lscp_client_t *qsamplerChannel::client (void) const { - if (m_pMainForm == NULL) - return NULL; + if (m_pMainForm == NULL) + return NULL; - return m_pMainForm->client(); + return m_pMainForm->client(); } // Create a new sampler channel, if not already. bool qsamplerChannel::addChannel (void) { - if (client() == NULL) - return false; + if (client() == NULL) + return false; - // Are we a new channel? - if (m_iChannelID < 0) { - m_iChannelID = ::lscp_add_channel(client()); - if (m_iChannelID < 0) { - appendMessagesClient("lscp_add_channel"); - appendMessagesError(QObject::tr("Could not create the new channel.\n\nSorry.")); - } // Otherwise it's created... - else appendMessages(QObject::tr("Channel %1 created.").arg(m_iChannelID)); - } + // Are we a new channel? + if (m_iChannelID < 0) { + m_iChannelID = ::lscp_add_channel(client()); + if (m_iChannelID < 0) { + appendMessagesClient("lscp_add_channel"); + appendMessagesError(QObject::tr("Could not add channel.\n\nSorry.")); + } // Otherwise it's created... + else appendMessages(QObject::tr("added.")); + } - // Return whether we're a valid channel... - return (m_iChannelID >= 0); + // Return whether we're a valid channel... + return (m_iChannelID >= 0); } // Remove sampler channel. bool qsamplerChannel::removeChannel (void) { - if (client() == NULL) - return false; + if (client() == NULL) + return false; - // Are we an existing channel? - if (m_iChannelID >= 0) { - if (::lscp_remove_channel(client(), m_iChannelID) != LSCP_OK) { - appendMessagesClient("lscp_remove_channel"); - appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry.")); - } else { - // Otherwise it's removed. - appendMessages(QObject::tr("Channel %1 removed.").arg(m_iChannelID)); - m_iChannelID = -1; - } - } - - // Return whether we've removed the channel... - return (m_iChannelID < 0); + // Are we an existing channel? + if (m_iChannelID >= 0) { + if (::lscp_remove_channel(client(), m_iChannelID) != LSCP_OK) { + appendMessagesClient("lscp_remove_channel"); + appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry.")); + } else { + // Otherwise it's removed. + appendMessages(QObject::tr("removed.")); + m_iChannelID = -1; + } + } + + // Return whether we've removed the channel... + return (m_iChannelID < 0); } // Channel-ID (aka Sammpler-Channel) accessors. -int qsamplerChannel::channelID (void) +int qsamplerChannel::channelID (void) const { - return m_iChannelID; + return m_iChannelID; } void qsamplerChannel::setChannelID ( int iChannelID ) { - m_iChannelID = iChannelID; + m_iChannelID = iChannelID; } // Readable channel name. -QString qsamplerChannel::channelName (void) +QString qsamplerChannel::channelName (void) const { - return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID)); + return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID)); } // Engine name accessors. -QString& qsamplerChannel::engineName (void) +const QString& qsamplerChannel::engineName (void) const { - return m_sEngineName; + return m_sEngineName; } bool qsamplerChannel::loadEngine ( const QString& sEngineName ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_sEngineName == sEngineName) + return true; + + if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { + appendMessagesClient("lscp_load_engine"); + return false; + } + appendMessages(QObject::tr("Engine: %1.").arg(sEngineName)); - if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) { - appendMessagesClient("lscp_load_engine"); - return false; - } - - m_sEngineName = sEngineName; - return true; + m_sEngineName = sEngineName; + return true; } // Instrument filename accessor. -QString& qsamplerChannel::instrumentFile (void) +const QString& qsamplerChannel::instrumentFile (void) const { - return m_sInstrumentFile; + return m_sInstrumentFile; } // Instrument index accessor. -int qsamplerChannel::instrumentNr (void) +int qsamplerChannel::instrumentNr (void) const +{ + return m_iInstrumentNr; +} + +// Instrument name accessor. +const QString& qsamplerChannel::instrumentName (void) const { - return m_iInstrumentNr; + return m_sInstrumentName; } // Instrument status accessor. -int qsamplerChannel::instrumentStatus (void) +int qsamplerChannel::instrumentStatus (void) const { - return m_iInstrumentStatus; + return m_iInstrumentStatus; } // Instrument file loader. bool qsamplerChannel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (!isInstrumentFile(sInstrumentFile)) + return false; + if (m_iInstrumentStatus == 100 && m_sInstrumentFile == sInstrumentFile && m_iInstrumentNr == iInstrumentNr) + return true; + + if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { + appendMessagesClient("lscp_load_instrument"); + return false; + } + + appendMessages(QObject::tr("Instrument: \"%1\" (%2).") + .arg(sInstrumentFile).arg(iInstrumentNr)); + + return setInstrument(sInstrumentFile, iInstrumentNr); +} - if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) { - appendMessagesClient("lscp_load_instrument"); - return false; - } - - m_sInstrumentFile = sInstrumentFile; - m_iInstrumentNr = iInstrumentNr; - m_iInstrumentStatus = 0; - return true; +// Special instrument file/name/number settler. +bool qsamplerChannel::setInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) +{ + m_sInstrumentFile = sInstrumentFile; + m_iInstrumentNr = iInstrumentNr; +#ifdef CONFIG_INSTRUMENT_NAME + m_sInstrumentName = QString::null; // We'll get it, maybe later, on channel_info... +#else + m_sInstrumentName = getInstrumentName(sInstrumentFile, iInstrumentNr, true); +#endif + m_iInstrumentStatus = 0; + + return true; } // MIDI driver type accessors (DEPRECATED). -QString& qsamplerChannel::midiDriver (void) +const QString& qsamplerChannel::midiDriver (void) const { - return m_sMidiDriver; + return m_sMidiDriver; } bool qsamplerChannel::setMidiDriver ( const QString& sMidiDriver ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_sMidiDriver == sMidiDriver) + return true; + + if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_midi_type"); + return false; + } - if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) { - appendMessagesClient("lscp_set_channel_midi_type"); - return false; - } + appendMessages(QObject::tr("MIDI driver: %1.").arg(sMidiDriver)); - m_sMidiDriver = sMidiDriver; - return true; + m_sMidiDriver = sMidiDriver; + return true; } // MIDI device accessors. -int qsamplerChannel::midiDevice (void) +int qsamplerChannel::midiDevice (void) const { - return m_iMidiDevice; + return m_iMidiDevice; } bool qsamplerChannel::setMidiDevice ( int iMidiDevice ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_iMidiDevice == iMidiDevice) + return true; + + if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_midi_device"); + return false; + } - if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) { - appendMessagesClient("lscp_set_channel_midi_device"); - return false; - } + appendMessages(QObject::tr("MIDI device: %1.").arg(iMidiDevice)); - m_iMidiDevice = iMidiDevice; - return true; + m_iMidiDevice = iMidiDevice; + return true; } // MIDI port number accessor. -int qsamplerChannel::midiPort (void) +int qsamplerChannel::midiPort (void) const { - return m_iMidiPort; + return m_iMidiPort; } bool qsamplerChannel::setMidiPort ( int iMidiPort ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_iMidiPort == iMidiPort) + return true; + + if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_midi_port"); + return false; + } - if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) { - appendMessagesClient("lscp_set_channel_midi_port"); - return false; - } + appendMessages(QObject::tr("MIDI port: %1.").arg(iMidiPort)); - m_iMidiPort = iMidiPort; - return true; + m_iMidiPort = iMidiPort; + return true; } // MIDI channel accessor. -int qsamplerChannel::midiChannel (void) +int qsamplerChannel::midiChannel (void) const { - return m_iMidiChannel; + return m_iMidiChannel; } bool qsamplerChannel::setMidiChannel ( int iMidiChannel ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_iMidiChannel == iMidiChannel) + return true; + + if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_midi_channel"); + return false; + } - if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) { - appendMessagesClient("lscp_set_channel_midi_channel"); - return false; - } + appendMessages(QObject::tr("MIDI channel: %1.").arg(iMidiChannel)); - m_iMidiChannel = iMidiChannel; - return true; + m_iMidiChannel = iMidiChannel; + return true; } // Audio device accessor. -int qsamplerChannel::audioDevice (void) +int qsamplerChannel::audioDevice (void) const { - return m_iAudioDevice; + return m_iAudioDevice; } bool qsamplerChannel::setAudioDevice ( int iAudioDevice ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_iAudioDevice == iAudioDevice) + return true; + + if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_audio_device"); + return false; + } - if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) { - appendMessagesClient("lscp_set_channel_audio_device"); - return false; - } + appendMessages(QObject::tr("Audio device: %1.").arg(iAudioDevice)); - m_iAudioDevice = iAudioDevice; - return true; + m_iAudioDevice = iAudioDevice; + return true; } // Audio driver type accessors (DEPRECATED). -QString& qsamplerChannel::audioDriver (void) +const QString& qsamplerChannel::audioDriver (void) const { - return m_sAudioDriver; + return m_sAudioDriver; } bool qsamplerChannel::setAudioDriver ( const QString& sAudioDriver ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_sAudioDriver == sAudioDriver) + return true; + + if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_audio_type"); + return false; + } - if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { - appendMessagesClient("lscp_set_channel_audio_type"); - return false; - } + appendMessages(QObject::tr("Audio driver: %1.").arg(sAudioDriver)); - m_sAudioDriver = sAudioDriver; - return true; + m_sAudioDriver = sAudioDriver; + return true; } // Channel volume accessors. -float qsamplerChannel::volume (void) +float qsamplerChannel::volume (void) const { - return m_fVolume; + return m_fVolume; } bool qsamplerChannel::setVolume ( float fVolume ) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + if (m_iInstrumentStatus == 100 && m_fVolume == fVolume) + return true; + + if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { + appendMessagesClient("lscp_set_channel_volume"); + return false; + } + + appendMessages(QObject::tr("Volume: %1.").arg(fVolume)); + + m_fVolume = fVolume; + return true; +} - if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { - appendMessagesClient("lscp_set_channel_volume"); - return false; - } - m_fVolume = fVolume; - return true; +// Istrument name remapper. +void qsamplerChannel::updateInstrumentName (void) +{ +#ifndef CONFIG_INSTRUMENT_NAME + m_sInstrumentName = getInstrumentName(m_sInstrumentFile, + m_iInstrumentNr, (options() && options()->bInstrumentNames)); +#endif } // Update whole channel info state. bool qsamplerChannel::updateChannelInfo (void) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; - // Read channel information. - lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID); - if (pChannelInfo == NULL) { - appendMessagesClient("lscp_get_channel_info"); - appendMessagesError(QObject::tr("Could not get channel information.\n\nSorry.")); - return false; - } - - // Cache in channel information. - m_sEngineName = pChannelInfo->engine_name; - m_sInstrumentFile = pChannelInfo->instrument_file; - m_iInstrumentNr = pChannelInfo->instrument_nr; - m_iInstrumentStatus = pChannelInfo->instrument_status; - m_iMidiDevice = pChannelInfo->midi_device; - m_iMidiPort = pChannelInfo->midi_port; - m_iMidiChannel = pChannelInfo->midi_channel; - m_iAudioDevice = pChannelInfo->audio_device; - m_fVolume = pChannelInfo->volume; - // Some sanity checks. - if (m_sEngineName == "NONE") - m_sEngineName = QString::null; - if (m_sInstrumentFile == "NONE") - m_sInstrumentFile = QString::null; + // Read channel information. + lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID); + if (pChannelInfo == NULL) { + appendMessagesClient("lscp_get_channel_info"); + appendMessagesError(QObject::tr("Could not get channel information.\n\nSorry.")); + return false; + } + +#ifdef CONFIG_INSTRUMENT_NAME + // We got all actual instrument datum... + m_sInstrumentFile = pChannelInfo->instrument_file; + m_iInstrumentNr = pChannelInfo->instrument_nr; + m_sInstrumentName = pChannelInfo->instrument_name; +#else + // First, check if intrument name has changed, + // taking care that instrument name lookup might be expensive, + // so we better make it only once and when really needed... + if ((m_sInstrumentFile != pChannelInfo->instrument_file) || + (m_iInstrumentNr != pChannelInfo->instrument_nr)) { + m_sInstrumentFile = pChannelInfo->instrument_file; + m_iInstrumentNr = pChannelInfo->instrument_nr; + updateInstrumentName(); + } +#endif + // Cache in other channel information. + m_sEngineName = pChannelInfo->engine_name; + m_iInstrumentStatus = pChannelInfo->instrument_status; + m_iMidiDevice = pChannelInfo->midi_device; + m_iMidiPort = pChannelInfo->midi_port; + m_iMidiChannel = pChannelInfo->midi_channel; + m_iAudioDevice = pChannelInfo->audio_device; + m_fVolume = pChannelInfo->volume; + // Some sanity checks. + if (m_sEngineName == "NONE" || m_sEngineName.isEmpty()) + m_sEngineName = QString::null; + if (m_sInstrumentFile == "NONE" || m_sInstrumentFile.isEmpty()) { + m_sInstrumentFile = QString::null; + m_sInstrumentName = QString::null; + } + + // FIXME: DEPRECATED... + lscp_device_info_t *pDeviceInfo; + const QString sNone = QObject::tr("(none)"); + // Audio device driver type. + pDeviceInfo = ::lscp_get_audio_device_info(client(), m_iAudioDevice); + if (pDeviceInfo == NULL) { + appendMessagesClient("lscp_get_audio_device_info"); + m_sAudioDriver = sNone; + } else { + m_sAudioDriver = pDeviceInfo->driver; + } + // MIDI device driver type. + pDeviceInfo = ::lscp_get_midi_device_info(client(), m_iMidiDevice); + if (pDeviceInfo == NULL) { + appendMessagesClient("lscp_get_midi_device_info"); + m_sMidiDriver = sNone; + } else { + m_sMidiDriver = pDeviceInfo->driver; + } - return true; + return true; } // Reset channel method. -bool qsamplerChannel::resetChannel (void) +bool qsamplerChannel::channelReset (void) { - if (client() == NULL || m_iChannelID < 0) - return false; + if (client() == NULL || m_iChannelID < 0) + return false; + + if (::lscp_reset_channel(client(), m_iChannelID) != LSCP_OK) { + appendMessagesClient("lscp_reset_channel"); + return false; + } - if (::lscp_reset_channel(client(), m_iChannelID) != LSCP_OK) { - appendMessagesClient("lscp_reset_channel"); - return false; - } + appendMessages(QObject::tr("reset.")); - appendMessages(QObject::tr("Channel %1 reset.").arg(m_iChannelID)); - return true; + return true; } // Channel setup dialog form. bool qsamplerChannel::channelSetup ( QWidget *pParent ) { - bool bResult = false; + bool bResult = false; - qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent); - if (pChannelForm) { - pChannelForm->setup(this); - bResult = pChannelForm->exec(); - delete pChannelForm; - } + appendMessages(QObject::tr("setup...")); + + qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent); + if (pChannelForm) { + pChannelForm->setup(this); + bResult = pChannelForm->exec(); + delete pChannelForm; + } - return bResult; + return bResult; } // Redirected messages output methods. -void qsamplerChannel::appendMessages( const QString& s ) +void qsamplerChannel::appendMessages( const QString& s ) const { - if (m_pMainForm) m_pMainForm->appendMessages(s); + if (m_pMainForm) + m_pMainForm->appendMessages(channelName() + ' ' + s); } -void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c ) +void qsamplerChannel::appendMessagesColor( const QString& s, + const QString& c ) const { - if (m_pMainForm) m_pMainForm->appendMessagesColor(s, c); + if (m_pMainForm) + m_pMainForm->appendMessagesColor(channelName() + ' ' + s, c); } -void qsamplerChannel::appendMessagesText( const QString& s ) +void qsamplerChannel::appendMessagesText( const QString& s ) const { - if (m_pMainForm) m_pMainForm->appendMessagesText(s); + if (m_pMainForm) + m_pMainForm->appendMessagesText(channelName() + ' ' + s); } -void qsamplerChannel::appendMessagesError( const QString& s ) +void qsamplerChannel::appendMessagesError( const QString& s ) const { - if (m_pMainForm) m_pMainForm->appendMessagesError(s); + if (m_pMainForm) + m_pMainForm->appendMessagesError(channelName() + "\n\n" + s); } -void qsamplerChannel::appendMessagesClient( const QString& s ) +void qsamplerChannel::appendMessagesClient( const QString& s ) const { - if (m_pMainForm) m_pMainForm->appendMessagesClient(s); + if (m_pMainForm) + m_pMainForm->appendMessagesClient(channelName() + ' ' + s); } // Context menu event handler. void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent ) { - if (m_pMainForm) m_pMainForm->contextMenuEvent(pEvent); + if (m_pMainForm) + m_pMainForm->contextMenuEvent(pEvent); +} + + +// FIXME: Check whether a given file is an instrument file. +bool qsamplerChannel::isInstrumentFile ( const QString& sInstrumentFile ) +{ + bool bResult = false; + + QFile file(sInstrumentFile); + if (file.open(IO_ReadOnly)) { + char achHeader[16]; + if (file.readBlock(achHeader, 16)) { + bResult = (::memcmp(&achHeader[0], "RIFF", 4) == 0 + && ::memcmp(&achHeader[8], "DLS LIST", 8) == 0); + } + file.close(); + } + + return bResult; } // Retrieve the instrument list of a instrument file (.gig). -QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile ) +QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile, + bool bInstrumentNames ) { - QFileInfo fileinfo(sInstrumentFile); - QString sInstrumentName = fileinfo.fileName(); - QStringList instlist; + QString sInstrumentName = QFileInfo(sInstrumentFile).fileName(); + QStringList instlist; - if (fileinfo.exists()) { + if (isInstrumentFile(sInstrumentFile)) { #ifdef CONFIG_LIBGIG - RIFF::File *pRiff = new RIFF::File(sInstrumentFile); - gig::File *pGig = new gig::File(pRiff); - gig::Instrument *pInstrument = pGig->GetFirstInstrument(); - while (pInstrument) { - instlist.append((pInstrument->pInfo)->Name.c_str()); - pInstrument = pGig->GetNextInstrument(); - } - delete pGig; - delete pRiff; -#else - for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++) - instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]"); + if (bInstrumentNames) { + RIFF::File *pRiff = new RIFF::File(sInstrumentFile); + gig::File *pGig = new gig::File(pRiff); + gig::Instrument *pInstrument = pGig->GetFirstInstrument(); + while (pInstrument) { + instlist.append((pInstrument->pInfo)->Name.c_str()); + pInstrument = pGig->GetNextInstrument(); + } + delete pGig; + delete pRiff; + } + else #endif - } - else instlist.append(sInstrumentName); + for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++) + instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]"); + } + else instlist.append(noInstrumentName()); - return instlist; + return instlist; } // Retrieve the spacific instrument name of a instrument file (.gig), given its index. -QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, int iInstrumentNr ) +QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, + int iInstrumentNr, bool bInstrumentNames ) { - QFileInfo fileinfo(sInstrumentFile); - QString sInstrumentName = fileinfo.fileName(); + QString sInstrumentName; - if (fileinfo.exists()) { + if (isInstrumentFile(sInstrumentFile)) { + sInstrumentName = QFileInfo(sInstrumentFile).fileName(); #ifdef CONFIG_LIBGIG - RIFF::File *pRiff = new RIFF::File(sInstrumentFile); - gig::File *pGig = new gig::File(pRiff); - int iIndex = 0; - gig::Instrument *pInstrument = pGig->GetFirstInstrument(); - while (pInstrument) { - if (iIndex == iInstrumentNr) { - sInstrumentName = (pInstrument->pInfo)->Name.c_str(); - break; - } - iIndex++; - pInstrument = pGig->GetNextInstrument(); - } - delete pGig; - delete pRiff; -#else - sInstrumentName += " [" + QString::number(iInstrumentNr) + "]"; + if (bInstrumentNames) { + RIFF::File *pRiff = new RIFF::File(sInstrumentFile); + gig::File *pGig = new gig::File(pRiff); + int iIndex = 0; + gig::Instrument *pInstrument = pGig->GetFirstInstrument(); + while (pInstrument) { + if (iIndex == iInstrumentNr) { + sInstrumentName = (pInstrument->pInfo)->Name.c_str(); + break; + } + iIndex++; + pInstrument = pGig->GetNextInstrument(); + } + delete pGig; + delete pRiff; + } + else #endif - } + sInstrumentName += " [" + QString::number(iInstrumentNr) + "]"; + } + else sInstrumentName = noInstrumentName(); + + return sInstrumentName; +} - return sInstrumentName; + +// Common invalid name-helpers. +QString qsamplerChannel::noEngineName (void) +{ + return QObject::tr("(No engine)"); +} + +QString qsamplerChannel::noInstrumentName (void) +{ + return QObject::tr("(No instrument)"); }