trunk/src/qsamplerChannel.cpp

// qsamplerChannel.cpp
//
/****************************************************************************
   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
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

*****************************************************************************/

#include "qsamplerChannel.h"

#include "qsamplerMainForm.h"
#include "qsamplerChannelForm.h"

#include "config.h"

#include <qfileinfo.h>

#ifdef CONFIG_LIBGIG
#include "gig.h"
#else
#define QSAMPLER_INSTRUMENT_MAX 8
#endif


//-------------------------------------------------------------------------
// qsamplerChannel - Sampler channel structure.
//
bool qsamplerChannel::g_bInstrumentNames = false;

// Constructor.
qsamplerChannel::qsamplerChannel ( qsamplerMainForm *pMainForm, int 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;

}

// Default destructor.
qsamplerChannel::~qsamplerChannel (void)
{
}


// The global options settings delegated property.
qsamplerOptions *qsamplerChannel::options (void)
{
    if (m_pMainForm == NULL)
        return NULL;

    return m_pMainForm->options();
}


// The client descriptor delegated property.
lscp_client_t *qsamplerChannel::client (void)
{
    if (m_pMainForm == NULL)
        return NULL;

    return m_pMainForm->client();
}


// Create a new sampler channel, if not already.
bool qsamplerChannel::addChannel (void)
{
    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));
    }

    // Return whether we're a valid channel...
    return (m_iChannelID >= 0);
}


// Remove sampler channel.
bool qsamplerChannel::removeChannel (void)
{
    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);
}


// Channel-ID (aka Sammpler-Channel) accessors.
int qsamplerChannel::channelID (void)
{
    return m_iChannelID;
}

void qsamplerChannel::setChannelID ( int iChannelID )
{
    m_iChannelID = iChannelID;
}


// Readable channel name.
QString qsamplerChannel::channelName (void)
{
    return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID));
}


// Engine name accessors.
QString& qsamplerChannel::engineName (void)
{
    return m_sEngineName;
}

bool qsamplerChannel::loadEngine ( const QString& sEngineName )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) {
        appendMessagesClient("lscp_load_engine");
        return false;
    }

    m_sEngineName = sEngineName;
    return true;
}


// Instrument filename accessor.
QString& qsamplerChannel::instrumentFile (void)
{
    return m_sInstrumentFile;
}

// Instrument index accessor.
int qsamplerChannel::instrumentNr (void)
{
    return m_iInstrumentNr;
}

// Instrument status accessor.
int qsamplerChannel::instrumentStatus (void)
{
    return m_iInstrumentStatus;
}

// Instrument file loader.
bool qsamplerChannel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    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;
}


// MIDI driver type accessors (DEPRECATED).
QString& qsamplerChannel::midiDriver (void)
{
    return m_sMidiDriver;
}

bool qsamplerChannel::setMidiDriver ( const QString& sMidiDriver )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) {
        appendMessagesClient("lscp_set_channel_midi_type");
        return false;
    }

    m_sMidiDriver = sMidiDriver;
    return true;
}


// MIDI device accessors.
int qsamplerChannel::midiDevice (void)
{
    return m_iMidiDevice;
}

bool qsamplerChannel::setMidiDevice ( int iMidiDevice )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) {
        appendMessagesClient("lscp_set_channel_midi_device");
        return false;
    }

    m_iMidiDevice = iMidiDevice;
    return true;
}


// MIDI port number accessor.
int qsamplerChannel::midiPort (void)
{
    return m_iMidiPort;
}

bool qsamplerChannel::setMidiPort ( int iMidiPort )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) {
        appendMessagesClient("lscp_set_channel_midi_port");
        return false;
    }

    m_iMidiPort = iMidiPort;
    return true;
}


// MIDI channel accessor.
int qsamplerChannel::midiChannel (void)
{
    return m_iMidiChannel;
}

bool qsamplerChannel::setMidiChannel ( int iMidiChannel )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) {
        appendMessagesClient("lscp_set_channel_midi_channel");
        return false;
    }

    m_iMidiChannel = iMidiChannel;
    return true;
}


// Audio device accessor.
int qsamplerChannel::audioDevice (void)
{
    return m_iAudioDevice;
}

bool qsamplerChannel::setAudioDevice ( int iAudioDevice )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) {
        appendMessagesClient("lscp_set_channel_audio_device");
        return false;
    }

    m_iAudioDevice = iAudioDevice;
    return true;
}


// Audio driver type accessors (DEPRECATED).
QString& qsamplerChannel::audioDriver (void)
{
    return m_sAudioDriver;
}

bool qsamplerChannel::setAudioDriver ( const QString& sAudioDriver )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) {
        appendMessagesClient("lscp_set_channel_audio_type");
        return false;
    }

    m_sAudioDriver = sAudioDriver;
    return true;
}


// Channel volume accessors.
float qsamplerChannel::volume (void)
{
    return m_fVolume;
}

bool qsamplerChannel::setVolume ( float fVolume )
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) {
        appendMessagesClient("lscp_set_channel_volume");
        return false;
    }

    m_fVolume = fVolume;
    return true;
}


// Update whole channel info state.
bool qsamplerChannel::updateChannelInfo (void)
{
    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;

    return true;
}


// Reset channel method.
bool qsamplerChannel::resetChannel (void)
{
    if (client() == NULL || m_iChannelID < 0)
        return false;

    if (::lscp_reset_channel(client(), m_iChannelID) != LSCP_OK) {
        appendMessagesClient("lscp_reset_channel");
        return false;
    }

    appendMessages(QObject::tr("Channel %1 reset.").arg(m_iChannelID));
    return true;
}


// Channel setup dialog form.
bool qsamplerChannel::channelSetup ( QWidget *pParent )
{
    bool bResult = false;

    qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent);
    if (pChannelForm) {
        pChannelForm->setup(this);
        bResult = pChannelForm->exec();
        delete pChannelForm;
    }

    return bResult;
}


// Redirected messages output methods.
void qsamplerChannel::appendMessages( const QString& s )
{
    if (m_pMainForm) m_pMainForm->appendMessages(s);
}

void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c )
{
    if (m_pMainForm) m_pMainForm->appendMessagesColor(s, c);
}

void qsamplerChannel::appendMessagesText( const QString& s )
{
    if (m_pMainForm) m_pMainForm->appendMessagesText(s);
}

void qsamplerChannel::appendMessagesError( const QString& s )
{
    if (m_pMainForm) m_pMainForm->appendMessagesError(s);
}

void qsamplerChannel::appendMessagesClient( const QString& s )
{
    if (m_pMainForm) m_pMainForm->appendMessagesClient(s);
}


// Context menu event handler.
void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent )
{
    if (m_pMainForm) m_pMainForm->contextMenuEvent(pEvent);
}


// Retrieve the instrument list of a instrument file (.gig).
QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile )
{
    QFileInfo fileinfo(sInstrumentFile);
    QString sInstrumentName = fileinfo.fileName();
    QStringList instlist;

    if (fileinfo.exists()) {
#ifdef CONFIG_LIBGIG
                if (g_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
#else
        for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)
            instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");
#endif
    }
    else instlist.append(sInstrumentName);

    return instlist;
}


// Retrieve the spacific instrument name of a instrument file (.gig), given its index.
QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, int iInstrumentNr )
{
    QFileInfo fileinfo(sInstrumentFile);
    QString sInstrumentName = fileinfo.fileName();

    if (fileinfo.exists()) {
#ifdef CONFIG_LIBGIG
                if (g_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
#else
        sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";
#endif
    }

    return sInstrumentName;
}


// Instrument name(s) retrieval mode--global option.
bool qsamplerChannel::instrumentNames (void)
{
        return g_bInstrumentNames;
}

void qsamplerChannel::setInstrumentNames ( bool bInstrumentNames )
{
        g_bInstrumentNames = bInstrumentNames;
}


// end of qsamplerChannel.cpp
1	capela	264	// qsamplerChannel.cpp
2			//
3			/****************************************************************************
4	capela	341	Copyright (C) 2003-2005, rncbc aka Rui Nuno Capela. All rights reserved.
5	capela	264
6			This program is free software; you can redistribute it and/or
7			modify it under the terms of the GNU General Public License
8			as published by the Free Software Foundation; either version 2
9			of the License, or (at your option) any later version.
10
11			This program is distributed in the hope that it will be useful,
12			but WITHOUT ANY WARRANTY; without even the implied warranty of
13			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			GNU General Public License for more details.
15
16			You should have received a copy of the GNU General Public License
17			along with this program; if not, write to the Free Software
18			Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20			*****************************************************************************/
21
22			#include "qsamplerChannel.h"
23
24			#include "qsamplerMainForm.h"
25	capela	303	#include "qsamplerChannelForm.h"
26	capela	264
27			#include "config.h"
28
29	capela	299	#include <qfileinfo.h>
30	capela	264
31	capela	299	#ifdef CONFIG_LIBGIG
32			#include "gig.h"
33			#else
34	capela	300	#define QSAMPLER_INSTRUMENT_MAX 8
35	capela	299	#endif
36
37
38	capela	264	//-------------------------------------------------------------------------
39			// qsamplerChannel - Sampler channel structure.
40			//
41	capela	341	bool qsamplerChannel::g_bInstrumentNames = false;
42	capela	264
43			// Constructor.
44			qsamplerChannel::qsamplerChannel ( qsamplerMainForm *pMainForm, int iChannelID )
45			{
46			m_pMainForm = pMainForm;
47			m_iChannelID = iChannelID;
48
49			// m_sEngineName = QObject::tr("(No engine)");
50			// m_sInstrumentFile = QObject::tr("(No instrument)");
51			m_iInstrumentNr = -1;
52			m_iInstrumentStatus = -1;
53			m_sMidiDriver = "Alsa"; // DEPRECATED.
54			m_iMidiDevice = -1;
55			m_iMidiPort = -1;
56			m_iMidiChannel = -1;
57			m_sAudioDriver = "Alsa"; // DEPRECATED.
58			m_iAudioDevice = -1;
59			m_fVolume = 0.0;
60
61			}
62
63			// Default destructor.
64			qsamplerChannel::~qsamplerChannel (void)
65			{
66			}
67
68
69			// The global options settings delegated property.
70			qsamplerOptions *qsamplerChannel::options (void)
71			{
72			if (m_pMainForm == NULL)
73			return NULL;
74
75			return m_pMainForm->options();
76			}
77
78
79			// The client descriptor delegated property.
80			lscp_client_t *qsamplerChannel::client (void)
81			{
82			if (m_pMainForm == NULL)
83			return NULL;
84
85			return m_pMainForm->client();
86			}
87
88
89	capela	295	// Create a new sampler channel, if not already.
90			bool qsamplerChannel::addChannel (void)
91			{
92			if (client() == NULL)
93			return false;
94
95			// Are we a new channel?
96			if (m_iChannelID < 0) {
97			m_iChannelID = ::lscp_add_channel(client());
98			if (m_iChannelID < 0) {
99			appendMessagesClient("lscp_add_channel");
100			appendMessagesError(QObject::tr("Could not create the new channel.\n\nSorry."));
101			} // Otherwise it's created...
102			else appendMessages(QObject::tr("Channel %1 created.").arg(m_iChannelID));
103			}
104
105			// Return whether we're a valid channel...
106			return (m_iChannelID >= 0);
107			}
108
109
110			// Remove sampler channel.
111			bool qsamplerChannel::removeChannel (void)
112			{
113			if (client() == NULL)
114			return false;
115
116			// Are we an existing channel?
117			if (m_iChannelID >= 0) {
118			if (::lscp_remove_channel(client(), m_iChannelID) != LSCP_OK) {
119			appendMessagesClient("lscp_remove_channel");
120			appendMessagesError(QObject::tr("Could not remove channel.\n\nSorry."));
121			} else {
122			// Otherwise it's removed.
123			appendMessages(QObject::tr("Channel %1 removed.").arg(m_iChannelID));
124			m_iChannelID = -1;
125			}
126			}
127
128			// Return whether we've removed the channel...
129			return (m_iChannelID < 0);
130			}
131
132
133	capela	264	// Channel-ID (aka Sammpler-Channel) accessors.
134			int qsamplerChannel::channelID (void)
135			{
136			return m_iChannelID;
137			}
138
139			void qsamplerChannel::setChannelID ( int iChannelID )
140			{
141			m_iChannelID = iChannelID;
142			}
143
144
145	capela	295	// Readable channel name.
146			QString qsamplerChannel::channelName (void)
147			{
148			return (m_iChannelID < 0 ? QObject::tr("New Channel") : QObject::tr("Channel %1").arg(m_iChannelID));
149			}
150
151
152	capela	264	// Engine name accessors.
153			QString& qsamplerChannel::engineName (void)
154			{
155			return m_sEngineName;
156			}
157
158			bool qsamplerChannel::loadEngine ( const QString& sEngineName )
159			{
160	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
161	capela	264	return false;
162
163			if (::lscp_load_engine(client(), sEngineName.latin1(), m_iChannelID) != LSCP_OK) {
164			appendMessagesClient("lscp_load_engine");
165			return false;
166			}
167
168			m_sEngineName = sEngineName;
169			return true;
170			}
171
172
173			// Instrument filename accessor.
174			QString& qsamplerChannel::instrumentFile (void)
175			{
176			return m_sInstrumentFile;
177			}
178
179			// Instrument index accessor.
180			int qsamplerChannel::instrumentNr (void)
181			{
182			return m_iInstrumentNr;
183			}
184
185			// Instrument status accessor.
186			int qsamplerChannel::instrumentStatus (void)
187			{
188			return m_iInstrumentStatus;
189			}
190
191			// Instrument file loader.
192			bool qsamplerChannel::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr )
193			{
194	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
195	capela	264	return false;
196
197			if (::lscp_load_instrument_non_modal(client(), sInstrumentFile.latin1(), iInstrumentNr, m_iChannelID) != LSCP_OK) {
198			appendMessagesClient("lscp_load_instrument");
199			return false;
200			}
201
202			m_sInstrumentFile = sInstrumentFile;
203			m_iInstrumentNr = iInstrumentNr;
204			m_iInstrumentStatus = 0;
205
206			return true;
207			}
208
209
210			// MIDI driver type accessors (DEPRECATED).
211			QString& qsamplerChannel::midiDriver (void)
212			{
213			return m_sMidiDriver;
214			}
215
216			bool qsamplerChannel::setMidiDriver ( const QString& sMidiDriver )
217			{
218	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
219	capela	264	return false;
220
221			if (::lscp_set_channel_midi_type(client(), m_iChannelID, sMidiDriver.latin1()) != LSCP_OK) {
222			appendMessagesClient("lscp_set_channel_midi_type");
223			return false;
224			}
225
226			m_sMidiDriver = sMidiDriver;
227			return true;
228			}
229
230
231			// MIDI device accessors.
232			int qsamplerChannel::midiDevice (void)
233			{
234			return m_iMidiDevice;
235			}
236
237			bool qsamplerChannel::setMidiDevice ( int iMidiDevice )
238			{
239	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
240	capela	264	return false;
241
242			if (::lscp_set_channel_midi_device(client(), m_iChannelID, iMidiDevice) != LSCP_OK) {
243			appendMessagesClient("lscp_set_channel_midi_device");
244			return false;
245			}
246
247			m_iMidiDevice = iMidiDevice;
248			return true;
249			}
250
251
252			// MIDI port number accessor.
253			int qsamplerChannel::midiPort (void)
254			{
255			return m_iMidiPort;
256			}
257
258			bool qsamplerChannel::setMidiPort ( int iMidiPort )
259			{
260	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
261	capela	264	return false;
262
263			if (::lscp_set_channel_midi_port(client(), m_iChannelID, iMidiPort) != LSCP_OK) {
264			appendMessagesClient("lscp_set_channel_midi_port");
265			return false;
266			}
267
268			m_iMidiPort = iMidiPort;
269			return true;
270			}
271
272
273			// MIDI channel accessor.
274			int qsamplerChannel::midiChannel (void)
275			{
276			return m_iMidiChannel;
277			}
278
279			bool qsamplerChannel::setMidiChannel ( int iMidiChannel )
280			{
281	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
282	capela	264	return false;
283
284			if (::lscp_set_channel_midi_channel(client(), m_iChannelID, iMidiChannel) != LSCP_OK) {
285			appendMessagesClient("lscp_set_channel_midi_channel");
286			return false;
287			}
288
289			m_iMidiChannel = iMidiChannel;
290			return true;
291			}
292
293
294			// Audio device accessor.
295			int qsamplerChannel::audioDevice (void)
296			{
297			return m_iAudioDevice;
298			}
299
300			bool qsamplerChannel::setAudioDevice ( int iAudioDevice )
301			{
302	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
303	capela	264	return false;
304
305			if (::lscp_set_channel_audio_device(client(), m_iChannelID, iAudioDevice) != LSCP_OK) {
306			appendMessagesClient("lscp_set_channel_audio_device");
307			return false;
308			}
309
310			m_iAudioDevice = iAudioDevice;
311			return true;
312			}
313
314
315			// Audio driver type accessors (DEPRECATED).
316			QString& qsamplerChannel::audioDriver (void)
317			{
318			return m_sAudioDriver;
319			}
320
321			bool qsamplerChannel::setAudioDriver ( const QString& sAudioDriver )
322			{
323	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
324	capela	264	return false;
325
326			if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) {
327			appendMessagesClient("lscp_set_channel_audio_type");
328			return false;
329			}
330
331			m_sAudioDriver = sAudioDriver;
332			return true;
333			}
334
335
336			// Channel volume accessors.
337			float qsamplerChannel::volume (void)
338			{
339			return m_fVolume;
340			}
341
342			bool qsamplerChannel::setVolume ( float fVolume )
343			{
344	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
345	capela	264	return false;
346
347			if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) {
348			appendMessagesClient("lscp_set_channel_volume");
349			return false;
350			}
351
352			m_fVolume = fVolume;
353			return true;
354			}
355
356
357			// Update whole channel info state.
358	capela	295	bool qsamplerChannel::updateChannelInfo (void)
359	capela	264	{
360	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
361			return false;
362	capela	264
363			// Read channel information.
364			lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID);
365			if (pChannelInfo == NULL) {
366			appendMessagesClient("lscp_get_channel_info");
367			appendMessagesError(QObject::tr("Could not get channel information.\n\nSorry."));
368	capela	295	return false;
369	capela	264	}
370	capela	295
371			// Cache in channel information.
372			m_sEngineName = pChannelInfo->engine_name;
373			m_sInstrumentFile = pChannelInfo->instrument_file;
374			m_iInstrumentNr = pChannelInfo->instrument_nr;
375			m_iInstrumentStatus = pChannelInfo->instrument_status;
376			m_iMidiDevice = pChannelInfo->midi_device;
377			m_iMidiPort = pChannelInfo->midi_port;
378			m_iMidiChannel = pChannelInfo->midi_channel;
379			m_iAudioDevice = pChannelInfo->audio_device;
380			m_fVolume = pChannelInfo->volume;
381			// Some sanity checks.
382			if (m_sEngineName == "NONE")
383			m_sEngineName = QString::null;
384			if (m_sInstrumentFile == "NONE")
385			m_sInstrumentFile = QString::null;
386
387			return true;
388	capela	264	}
389
390
391			// Reset channel method.
392	capela	295	bool qsamplerChannel::resetChannel (void)
393	capela	264	{
394	capela	295	if (client() == NULL \|\| m_iChannelID < 0)
395			return false;
396	capela	264
397	capela	295	if (::lscp_reset_channel(client(), m_iChannelID) != LSCP_OK) {
398	capela	264	appendMessagesClient("lscp_reset_channel");
399	capela	295	return false;
400			}
401
402			appendMessages(QObject::tr("Channel %1 reset.").arg(m_iChannelID));
403			return true;
404	capela	264	}
405
406
407	capela	303	// Channel setup dialog form.
408			bool qsamplerChannel::channelSetup ( QWidget *pParent )
409			{
410			bool bResult = false;
411
412			qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(pParent);
413			if (pChannelForm) {
414			pChannelForm->setup(this);
415			bResult = pChannelForm->exec();
416			delete pChannelForm;
417			}
418
419			return bResult;
420			}
421
422
423	capela	264	// Redirected messages output methods.
424			void qsamplerChannel::appendMessages( const QString& s )
425			{
426	capela	303	if (m_pMainForm) m_pMainForm->appendMessages(s);
427	capela	264	}
428
429			void qsamplerChannel::appendMessagesColor( const QString& s, const QString& c )
430			{
431	capela	303	if (m_pMainForm) m_pMainForm->appendMessagesColor(s, c);
432	capela	264	}
433
434			void qsamplerChannel::appendMessagesText( const QString& s )
435			{
436	capela	303	if (m_pMainForm) m_pMainForm->appendMessagesText(s);
437	capela	264	}
438
439			void qsamplerChannel::appendMessagesError( const QString& s )
440			{
441	capela	303	if (m_pMainForm) m_pMainForm->appendMessagesError(s);
442	capela	264	}
443
444			void qsamplerChannel::appendMessagesClient( const QString& s )
445			{
446	capela	303	if (m_pMainForm) m_pMainForm->appendMessagesClient(s);
447	capela	264	}
448
449
450	capela	303	// Context menu event handler.
451			void qsamplerChannel::contextMenuEvent( QContextMenuEvent *pEvent )
452			{
453			if (m_pMainForm) m_pMainForm->contextMenuEvent(pEvent);
454			}
455
456
457	capela	299	// Retrieve the instrument list of a instrument file (.gig).
458			QStringList qsamplerChannel::getInstrumentList( const QString& sInstrumentFile )
459			{
460			QFileInfo fileinfo(sInstrumentFile);
461			QString sInstrumentName = fileinfo.fileName();
462			QStringList instlist;
463
464			if (fileinfo.exists()) {
465			#ifdef CONFIG_LIBGIG
466	capela	341	if (g_bInstrumentNames) {
467			RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
468			gig::File *pGig = new gig::File(pRiff);
469			gig::Instrument *pInstrument = pGig->GetFirstInstrument();
470			while (pInstrument) {
471			instlist.append((pInstrument->pInfo)->Name.c_str());
472			pInstrument = pGig->GetNextInstrument();
473			}
474			delete pGig;
475			delete pRiff;
476			}
477			else
478	capela	299	#else
479			for (int iInstrumentNr = 0; iInstrumentNr < QSAMPLER_INSTRUMENT_MAX; iInstrumentNr++)
480			instlist.append(sInstrumentName + " [" + QString::number(iInstrumentNr) + "]");
481			#endif
482			}
483			else instlist.append(sInstrumentName);
484	capela	306
485	capela	299	return instlist;
486			}
487
488
489			// Retrieve the spacific instrument name of a instrument file (.gig), given its index.
490			QString qsamplerChannel::getInstrumentName( const QString& sInstrumentFile, int iInstrumentNr )
491			{
492			QFileInfo fileinfo(sInstrumentFile);
493			QString sInstrumentName = fileinfo.fileName();
494
495			if (fileinfo.exists()) {
496			#ifdef CONFIG_LIBGIG
497	capela	341	if (g_bInstrumentNames) {
498			RIFF::File *pRiff = new RIFF::File(sInstrumentFile);
499			gig::File *pGig = new gig::File(pRiff);
500			int iIndex = 0;
501			gig::Instrument *pInstrument = pGig->GetFirstInstrument();
502			while (pInstrument) {
503			if (iIndex == iInstrumentNr) {
504			sInstrumentName = (pInstrument->pInfo)->Name.c_str();
505			break;
506			}
507			iIndex++;
508			pInstrument = pGig->GetNextInstrument();
509			}
510			delete pGig;
511			delete pRiff;
512			}
513			else
514	capela	299	#else
515			sInstrumentName += " [" + QString::number(iInstrumentNr) + "]";
516			#endif
517			}
518
519			return sInstrumentName;
520			}
521
522
523	capela	341	// Instrument name(s) retrieval mode--global option.
524			bool qsamplerChannel::instrumentNames (void)
525			{
526			return g_bInstrumentNames;
527			}
528
529			void qsamplerChannel::setInstrumentNames ( bool bInstrumentNames )
530			{
531			g_bInstrumentNames = bInstrumentNames;
532			}
533
534
535	capela	264	// end of qsamplerChannel.cpp