38 |
void qsamplerChannelStrip::init (void) |
void qsamplerChannelStrip::init (void) |
39 |
{ |
{ |
40 |
// Initialize locals. |
// Initialize locals. |
41 |
m_pMainForm = NULL; |
m_pMainForm = NULL; |
42 |
m_iChannelID = 0; |
m_pChannel = NULL; |
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// m_sEngineName = "(No engine)"; |
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// m_sInstrumentFile = "(No instrument)"; |
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m_iInstrumentNr = 0; |
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m_sMidiDriver = "ALSA"; // DEPRECATED. |
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m_iMidiDevice = 0; |
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m_iMidiPort = 0; |
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m_iMidiChannel = 0; |
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m_sAudioDriver = "ALSA"; // DEPRECATED. |
|
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m_iAudioDevice = 0; |
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m_fVolume = 0.8; |
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43 |
m_iDirtyChange = 0; |
m_iDirtyChange = 0; |
44 |
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|
45 |
// Try to restore normal window positioning. |
// Try to restore normal window positioning. |
50 |
// Kind of destructor. |
// Kind of destructor. |
51 |
void qsamplerChannelStrip::destroy (void) |
void qsamplerChannelStrip::destroy (void) |
52 |
{ |
{ |
53 |
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// Destroy existing channel descriptor. |
54 |
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if (m_pChannel) |
55 |
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delete m_pChannel; |
56 |
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m_pChannel = NULL; |
57 |
} |
} |
58 |
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59 |
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|
60 |
// Channel strip setup formal initializer. |
// Channel strip setup formal initializer. |
61 |
void qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID ) |
void qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID ) |
62 |
{ |
{ |
63 |
m_iDirtyChange = 0; |
// Set main form reference. |
64 |
m_pMainForm = pMainForm; |
m_pMainForm = pMainForm; |
65 |
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66 |
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// Destroy any previous channel descriptor. |
67 |
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if (m_pChannel) |
68 |
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delete m_pChannel; |
69 |
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70 |
setChannelID(iChannelID); |
// Create a new one... |
71 |
} |
m_pChannel = new qsamplerChannel(pMainForm); |
72 |
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// And set appropriate settings. |
73 |
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if (m_pChannel) { |
74 |
// The global options settings delegated property. |
m_pChannel->setChannelID(iChannelID); |
75 |
qsamplerOptions *qsamplerChannelStrip::options (void) |
m_iDirtyChange = 0; |
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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 *qsamplerChannelStrip::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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// Channel-ID (aka Sammpler-Channel) accessors. |
|
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int qsamplerChannelStrip::channelID (void) |
|
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{ |
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return m_iChannelID; |
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} |
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void qsamplerChannelStrip::setChannelID ( int iChannelID ) |
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{ |
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m_iChannelID = iChannelID; |
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updateChannelInfo(); |
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} |
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// Engine name accessors. |
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QString& qsamplerChannelStrip::engineName (void) |
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{ |
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return m_sEngineName; |
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} |
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bool qsamplerChannelStrip::loadEngine ( const QString& sEngineName ) |
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{ |
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if (client() == NULL) |
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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 accessors. |
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QString& qsamplerChannelStrip::instrumentFile (void) |
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{ |
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return m_sInstrumentFile; |
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} |
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// Instrument index accessors. |
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int qsamplerChannelStrip::instrumentNr (void) |
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{ |
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return m_iInstrumentNr; |
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} |
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bool qsamplerChannelStrip::loadInstrument ( const QString& sInstrumentFile, int iInstrumentNr ) |
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{ |
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if (client() == NULL) |
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return false; |
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if (::lscp_load_instrument(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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return true; |
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} |
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// MIDI driver type accessors (DEPRECATED). |
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QString& qsamplerChannelStrip::midiDriver (void) |
|
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{ |
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return m_sMidiDriver; |
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} |
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bool qsamplerChannelStrip::setMidiDriver ( const QString& sMidiDriver ) |
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{ |
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if (client() == NULL) |
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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 qsamplerChannelStrip::midiDevice (void) |
|
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{ |
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return m_iMidiDevice; |
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} |
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bool qsamplerChannelStrip::setMidiDevice ( int iMidiDevice ) |
|
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{ |
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if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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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 qsamplerChannelStrip::midiPort (void) |
|
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{ |
|
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return m_iMidiPort; |
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} |
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bool qsamplerChannelStrip::setMidiPort ( int iMidiPort ) |
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|
{ |
|
|
if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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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 qsamplerChannelStrip::midiChannel (void) |
|
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{ |
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return m_iMidiChannel; |
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} |
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bool qsamplerChannelStrip::setMidiChannel ( int iMidiChannel ) |
|
|
{ |
|
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if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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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 qsamplerChannelStrip::audioDevice (void) |
|
|
{ |
|
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return m_iAudioDevice; |
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|
} |
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bool qsamplerChannelStrip::setAudioDevice ( int iAudioDevice ) |
|
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{ |
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if (client() == NULL) |
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return false; |
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// FIXME: call this when LSCP becomes stable. |
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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). |
|
|
QString& qsamplerChannelStrip::audioDriver (void) |
|
|
{ |
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return m_sAudioDriver; |
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|
} |
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bool qsamplerChannelStrip::setAudioDriver ( const QString& sAudioDriver ) |
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|
{ |
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if (client() == NULL) |
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return false; |
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if (::lscp_set_channel_audio_type(client(), m_iChannelID, sAudioDriver.latin1()) != LSCP_OK) { |
|
|
appendMessagesClient("lscp_set_channel_audio_type"); |
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|
return false; |
|
76 |
} |
} |
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m_sAudioDriver = sAudioDriver; |
|
|
return true; |
|
77 |
} |
} |
78 |
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|
79 |
|
// Channel secriptor accessor. |
80 |
// Channel volume accessors. |
qsamplerChannel *qsamplerChannelStrip::channel (void) |
|
float qsamplerChannelStrip::volume (void) |
|
81 |
{ |
{ |
82 |
return m_fVolume; |
return m_pChannel; |
|
} |
|
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|
bool qsamplerChannelStrip::setVolume ( float fVolume ) |
|
|
{ |
|
|
if (client() == NULL) |
|
|
return false; |
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|
|
if (::lscp_set_channel_volume(client(), m_iChannelID, fVolume) != LSCP_OK) { |
|
|
appendMessagesClient("lscp_set_channel_volume"); |
|
|
return false; |
|
|
} |
|
|
|
|
|
m_fVolume = fVolume; |
|
|
return true; |
|
83 |
} |
} |
84 |
|
|
85 |
|
|
92 |
void qsamplerChannelStrip::setDisplayFont ( const QFont & font ) |
void qsamplerChannelStrip::setDisplayFont ( const QFont & font ) |
93 |
{ |
{ |
94 |
EngineNameTextLabel->setFont(font); |
EngineNameTextLabel->setFont(font); |
|
InstrumentNameTextLabel->setFont(font); |
|
95 |
MidiPortChannelTextLabel->setFont(font); |
MidiPortChannelTextLabel->setFont(font); |
96 |
|
InstrumentNameTextLabel->setFont(font); |
97 |
|
InstrumentStatusTextLabel->setFont(font); |
98 |
} |
} |
99 |
|
|
100 |
// Channel setup dialog. |
|
101 |
|
// Channel setup dialog slot. |
102 |
void qsamplerChannelStrip::channelSetup (void) |
void qsamplerChannelStrip::channelSetup (void) |
103 |
{ |
{ |
104 |
|
showChannelSetup(false); |
105 |
|
} |
106 |
|
|
107 |
|
|
108 |
|
// Channel setup dialog. |
109 |
|
void qsamplerChannelStrip::showChannelSetup ( bool bNew ) |
110 |
|
{ |
111 |
qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this); |
qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this); |
112 |
if (pChannelForm) { |
if (pChannelForm) { |
113 |
pChannelForm->setup(this); |
pChannelForm->setup(m_pChannel, bNew); |
114 |
if (pChannelForm->exec()) { |
if (pChannelForm->exec()) { |
115 |
updateChannelInfo(); |
updateChannelInfo(); |
116 |
emit channelChanged(this); |
emit channelChanged(this); |
123 |
// Update whole channel info state. |
// Update whole channel info state. |
124 |
void qsamplerChannelStrip::updateChannelInfo (void) |
void qsamplerChannelStrip::updateChannelInfo (void) |
125 |
{ |
{ |
126 |
|
if (m_pChannel == NULL) |
127 |
|
return; |
128 |
|
|
129 |
// Update strip caption. |
// Update strip caption. |
130 |
QString sText = tr("Channel %1").arg(m_iChannelID); |
QString sText = tr("Channel %1").arg(m_pChannel->channelID()); |
131 |
setCaption(sText); |
setCaption(sText); |
132 |
ChannelSetupPushButton->setText(sText); |
ChannelSetupPushButton->setText(sText); |
133 |
|
|
134 |
// Check if we're up and connected. |
// Check if we're up and connected. |
135 |
if (client() == NULL) |
if (m_pChannel->client() == NULL) |
136 |
return; |
return; |
137 |
|
|
138 |
// Read channel information. |
// Read actual channel information. |
139 |
lscp_channel_info_t *pChannelInfo = ::lscp_get_channel_info(client(), m_iChannelID); |
m_pChannel->updateChannelInfo(); |
|
if (pChannelInfo == NULL) { |
|
|
appendMessagesClient("lscp_get_channel_info"); |
|
|
// appendMessagesError(tr("Could not get channel information.\n\nSorry.")); |
|
|
} else { |
|
|
// Cache in channel information. |
|
|
m_sEngineName = pChannelInfo->engine_name; |
|
|
m_sInstrumentFile = pChannelInfo->instrument_file; |
|
|
m_iInstrumentNr = pChannelInfo->instrument_nr; |
|
|
m_iMidiDevice = pChannelInfo->midi_device; |
|
|
m_iMidiPort = pChannelInfo->midi_port; |
|
|
m_iMidiChannel = pChannelInfo->midi_channel; |
|
|
m_iAudioDevice = pChannelInfo->audio_device; |
|
|
m_fVolume = pChannelInfo->volume; |
|
|
} |
|
140 |
|
|
141 |
// Set some proper display values. |
// Set some proper display values. |
142 |
|
const QString sIndent = " "; |
143 |
|
|
144 |
// Engine name... |
// Engine name... |
145 |
if (m_sEngineName.isEmpty()) |
if (m_pChannel->engineName().isEmpty()) |
146 |
EngineNameTextLabel->setText(tr("(No engine)")); |
EngineNameTextLabel->setText(sIndent + tr("(No engine)")); |
147 |
else |
else |
148 |
EngineNameTextLabel->setText(m_sEngineName); |
EngineNameTextLabel->setText(sIndent + m_pChannel->engineName()); |
149 |
|
|
150 |
// Instrument name... |
// Instrument name... |
151 |
if (m_sInstrumentFile.isEmpty()) |
if (m_pChannel->instrumentFile().isEmpty()) |
152 |
InstrumentNameTextLabel->setText(tr("(No instrument)")); |
InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)")); |
153 |
else |
else |
154 |
InstrumentNameTextLabel->setText(QString("%1 [%2]") |
InstrumentNameTextLabel->setText(sIndent + QString("%1 [%2]") |
155 |
.arg(QFileInfo(m_sInstrumentFile).fileName()).arg(m_iInstrumentNr)); |
.arg(QFileInfo(m_pChannel->instrumentFile()).fileName()).arg(m_pChannel->instrumentNr())); |
156 |
|
|
157 |
|
// Instrument status... |
158 |
|
int iInstrumentStatus = m_pChannel->instrumentStatus(); |
159 |
|
if (iInstrumentStatus < 0) { |
160 |
|
InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red); |
161 |
|
InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus)); |
162 |
|
} else { |
163 |
|
InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
164 |
|
InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%"); |
165 |
|
} |
166 |
|
|
167 |
// MIDI Port/Channel... |
// MIDI Port/Channel... |
168 |
MidiPortChannelTextLabel->setText(QString("%1 / %2") |
if (m_pChannel->midiChannel() > 0) |
169 |
.arg(m_iMidiPort).arg(m_iMidiChannel)); |
MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel())); |
170 |
|
else |
171 |
|
MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort())); |
172 |
|
|
173 |
// And update the both GUI volume elements. |
// And update the both GUI volume elements. |
174 |
updateChannelVolume(); |
updateChannelVolume(); |
175 |
} |
} |
178 |
// Do the dirty volume change. |
// Do the dirty volume change. |
179 |
void qsamplerChannelStrip::updateChannelVolume (void) |
void qsamplerChannelStrip::updateChannelVolume (void) |
180 |
{ |
{ |
181 |
|
if (m_pChannel == NULL) |
182 |
|
return; |
183 |
|
|
184 |
// Convert... |
// Convert... |
185 |
#ifdef CONFIG_ROUND |
#ifdef CONFIG_ROUND |
186 |
int iVolume = (int) ::round(100.0 * m_fVolume); |
int iVolume = (int) ::round(100.0 * m_pChannel->volume()); |
187 |
#else |
#else |
188 |
double fIPart = 0.0; |
double fIPart = 0.0; |
189 |
double fFPart = ::modf(100.0 * m_fVolume, &fIPart); |
double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart); |
190 |
int iVolume = (int) fIPart; |
int iVolume = (int) fIPart; |
191 |
if (fFPart >= +0.5) |
if (fFPart >= +0.5) |
192 |
iVolume++; |
iVolume++; |
196 |
#endif |
#endif |
197 |
|
|
198 |
// And clip... |
// And clip... |
199 |
if (iVolume > 100) |
if (iVolume < 0) |
|
iVolume = 100; |
|
|
else if (iVolume < 0) |
|
200 |
iVolume = 0; |
iVolume = 0; |
201 |
|
|
202 |
// Flag it here, to avoid infinite recursion. |
// Flag it here, to avoid infinite recursion. |
210 |
// Update whole channel usage state. |
// Update whole channel usage state. |
211 |
void qsamplerChannelStrip::updateChannelUsage (void) |
void qsamplerChannelStrip::updateChannelUsage (void) |
212 |
{ |
{ |
213 |
if (client() == NULL) |
if (m_pChannel == NULL) |
214 |
|
return; |
215 |
|
if (m_pChannel->client() == NULL) |
216 |
|
return; |
217 |
|
|
218 |
|
// Conditionally update whole channel status info. |
219 |
|
if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) { |
220 |
|
updateChannelInfo(); |
221 |
|
// Once we get a complete instrument load, try a implied reset channel.... |
222 |
|
if (m_pChannel->instrumentStatus() == 100) |
223 |
|
m_pChannel->resetChannel(); |
224 |
|
} |
225 |
|
// Leave, if we still have an erroneus or incomplete instrument load. |
226 |
|
if (m_pChannel->instrumentStatus() < 100) |
227 |
return; |
return; |
228 |
|
|
229 |
// Get current channel voice count. |
// Get current channel voice count. |
230 |
int iVoiceCount = ::lscp_get_channel_voice_count(client(), m_iChannelID); |
int iVoiceCount = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID()); |
231 |
// Get current stream count. |
// Get current stream count. |
232 |
int iStreamCount = ::lscp_get_channel_stream_count(client(), m_iChannelID); |
int iStreamCount = ::lscp_get_channel_stream_count(m_pChannel->client(), m_pChannel->channelID()); |
233 |
// Get current channel buffer fill usage. |
// Get current channel buffer fill usage. |
234 |
// As benno has suggested this is the percentage usage |
// As benno has suggested this is the percentage usage |
235 |
// of the least filled buffer stream... |
// of the least filled buffer stream... |
236 |
int iStreamUsage = 0; |
int iStreamUsage = ::lscp_get_channel_stream_usage(m_pChannel->client(), m_pChannel->channelID());; |
237 |
if (iStreamCount > 0) { |
|
|
lscp_buffer_fill_t *pBufferFill = ::lscp_get_channel_buffer_fill(client(), LSCP_USAGE_PERCENTAGE, m_iChannelID); |
|
|
if (pBufferFill) { |
|
|
for (int iStream = 0; iStream < iStreamCount; iStream++) { |
|
|
if (iStreamUsage > (int) pBufferFill[iStream].stream_usage || iStream == 0) |
|
|
iStreamUsage = pBufferFill[iStream].stream_usage; |
|
|
} |
|
|
} |
|
|
} |
|
238 |
// Update the GUI elements... |
// Update the GUI elements... |
239 |
StreamUsageProgressBar->setProgress(iStreamUsage); |
StreamUsageProgressBar->setProgress(iStreamUsage); |
240 |
StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
244 |
// Volume change slot. |
// Volume change slot. |
245 |
void qsamplerChannelStrip::volumeChanged ( int iVolume ) |
void qsamplerChannelStrip::volumeChanged ( int iVolume ) |
246 |
{ |
{ |
247 |
|
if (m_pChannel == NULL) |
248 |
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return; |
249 |
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|
250 |
// Avoid recursion. |
// Avoid recursion. |
251 |
if (m_iDirtyChange > 0) |
if (m_iDirtyChange > 0) |
252 |
return; |
return; |
253 |
|
|
254 |
// Convert and clip. |
// Convert and clip. |
255 |
float fVolume = (float) iVolume / 100.0; |
float fVolume = (float) iVolume / 100.0; |
256 |
if (fVolume > 1.0) |
if (fVolume < 0.001) |
|
fVolume = 1.0; |
|
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else if (fVolume < 0.0) |
|
257 |
fVolume = 0.0; |
fVolume = 0.0; |
258 |
|
|
259 |
// Update the GUI elements. |
// Update the GUI elements. |
260 |
if (setVolume(fVolume)) { |
if (m_pChannel->setVolume(fVolume)) { |
261 |
updateChannelVolume(); |
updateChannelVolume(); |
262 |
emit channelChanged(this); |
emit channelChanged(this); |
263 |
} |
} |
264 |
} |
} |
265 |
|
|
266 |
|
|
267 |
// Redirected messages output methods. |
// Context menu event handler. |
268 |
void qsamplerChannelStrip::appendMessages( const QString& s ) |
void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
|
{ |
|
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m_pMainForm->appendMessages(s); |
|
|
} |
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|
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void qsamplerChannelStrip::appendMessagesColor( const QString& s, const QString& c ) |
|
|
{ |
|
|
m_pMainForm->appendMessagesColor(s, c); |
|
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} |
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|
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void qsamplerChannelStrip::appendMessagesText( const QString& s ) |
|
|
{ |
|
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m_pMainForm->appendMessagesText(s); |
|
|
} |
|
|
|
|
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void qsamplerChannelStrip::appendMessagesError( const QString& s ) |
|
|
{ |
|
|
m_pMainForm->appendMessagesError(s); |
|
|
} |
|
|
|
|
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void qsamplerChannelStrip::appendMessagesClient( const QString& s ) |
|
269 |
{ |
{ |
270 |
m_pMainForm->appendMessagesClient(s); |
if (m_pMainForm == NULL) |
271 |
|
return; |
272 |
|
|
273 |
|
// We'll just show up the main form's edit menu. |
274 |
|
m_pMainForm->contextMenuEvent(pEvent); |
275 |
} |
} |
276 |
|
|
277 |
|
|
278 |
// Context menu event handler. |
// Maximum volume slider accessors. |
279 |
void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume ) |
280 |
{ |
{ |
281 |
// We'll just show up the main form's edit menu. |
m_iDirtyChange++; |
282 |
m_pMainForm->stabilizeForm(); |
VolumeSlider->setRange(0, iMaxVolume); |
283 |
m_pMainForm->editMenu->exec(pEvent->globalPos()); |
VolumeSpinBox->setRange(0, iMaxVolume); |
284 |
|
m_iDirtyChange--; |
285 |
} |
} |
286 |
|
|
287 |
|
|
288 |
// end of qsamplerChannelStrip.ui.h |
// end of qsamplerChannelStrip.ui.h |
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