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support for storing fader levels on a reconnect -> not yet finished, there is a known bug which has to be fixed!

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This commit is contained in:
Volker Fischer 2013-02-27 21:28:38 +00:00
parent 9a9ca7c1c4
commit 471fb0c6ae
2 changed files with 123 additions and 68 deletions
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170
src/audiomixerboard.cpp
View file

@ -114,7 +114,7 @@ CChannelFader::CChannelFader ( QWidget* pNW,
// Connections -------------------------------------------------------------
QObject::connect ( pFader, SIGNAL ( valueChanged ( int ) ),
this, SLOT ( OnGainValueChanged ( int ) ) );
this, SLOT ( OnLevelValueChanged ( int ) ) );
QObject::connect ( pcbMute, SIGNAL ( stateChanged ( int ) ),
this, SLOT ( OnMuteStateChanged ( int ) ) );
@ -159,10 +159,10 @@ void CChannelFader::SetGUIDesign ( const EGUIDesign eNewDesign )
}
}
void CChannelFader::Reset ( const int iLevelValue )
void CChannelFader::Reset()
{
// init gain value -> maximum value as definition according to server
pFader->setValue ( iLevelValue );
pFader->setValue ( AUD_MIX_FADER_MAX );
// reset mute/solo check boxes
pcbMute->setChecked ( false );
@ -171,24 +171,31 @@ void CChannelFader::Reset ( const int iLevelValue )
// clear instrument picture and label text
pInstrument->setVisible ( false );
pLabel->setText ( "" );
strReceivedName = "";
bOtherChannelIsSolo = false;
}
// if the reset value is not the default one, tell the server about it
if ( iLevelValue != AUD_MIX_FADER_MAX )
void CChannelFader::SetFaderLevel ( const int iLevel )
{
emit gainValueChanged ( CalcFaderGain ( iLevelValue ) );
// first make a range check
if ( ( iLevel >= 0 ) && ( iLevel <= AUD_MIX_FADER_MAX ) )
{
// we set the new fader level in the GUI (slider control) and also tell the
// server about the change
pFader->setValue ( iLevel );
SendFaderLevelToServer ( iLevel );
}
}
void CChannelFader::OnGainValueChanged ( int value )
void CChannelFader::SendFaderLevelToServer ( const int iLevel )
{
// if mute flag is set or other channel is on solo, do not apply the new
// fader value
if ( ( pcbMute->checkState() == Qt::Unchecked ) && !bOtherChannelIsSolo )
{
// emit signal for new fader gain value
emit gainValueChanged ( CalcFaderGain ( value ) );
emit gainValueChanged ( CalcFaderGain ( iLevel ) );
}
}
@ -254,26 +261,29 @@ void CChannelFader::SetOtherSoloState ( const bool bState )
}
}
void CChannelFader::SetText ( const QString sText )
void CChannelFader::SetText ( const CChannelInfo& ChanInfo )
{
const int iBreakPos = MAX_LEN_FADER_TAG / 2;
// store original received name
strReceivedName = ChanInfo.strName;
// break text at predefined position, if text is too short, break anyway to
// make sure we have two lines for fader tag
QString sModText = sText;
const int iBreakPos = MAX_LEN_FADER_TAG / 2;
if ( sModText.length() > iBreakPos )
QString strModText = GenFaderText ( ChanInfo );
if ( strModText.length() > iBreakPos )
{
sModText.insert ( iBreakPos, QString ( "\n" ) );
strModText.insert ( iBreakPos, QString ( "\n" ) );
}
else
{
// insert line break at the beginning of the string -> make sure
// if we only have one line that the text appears at the bottom line
sModText.prepend ( QString ( "\n" ) );
strModText.prepend ( QString ( "\n" ) );
}
pLabel->setText ( sModText );
pLabel->setText ( strModText );
}
void CChannelFader::SetInstrumentPicture ( const int iInstrument )
@ -306,6 +316,25 @@ double CChannelFader::CalcFaderGain ( const int value )
return static_cast<double> ( value ) / AUD_MIX_FADER_MAX;
}
QString CChannelFader::GenFaderText ( const CChannelInfo& ChanInfo )
{
// if text is empty, show IP address instead
if ( ChanInfo.strName.isEmpty() )
{
// convert IP address to text and show it (use dummy port number
// since it is not used here)
const CHostAddress TempAddr =
CHostAddress ( QHostAddress ( ChanInfo.iIpAddr ), 0 );
return TempAddr.toString ( CHostAddress::SM_IP_NO_LAST_BYTE );
}
else
{
// show name of channel
return ChanInfo.strName;
}
}
/******************************************************************************\
* CAudioMixerBoard *
@ -391,7 +420,7 @@ void CAudioMixerBoard::HideAll()
// make all controls invisible
for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
{
// before hiding the fader, store its level (if some conditions are fulfulled)
// before hiding the fader, store its level (if some conditions are fullfilled)
StoreFaderLevel ( vecpChanFader[i] );
vecpChanFader[i]->Hide();
@ -420,7 +449,7 @@ void CAudioMixerBoard::ApplyNewConClientList ( CVector<CChannelInfo>& vecChanInf
// check if fader was already in use -> preserve gain value
if ( !vecpChanFader[i]->IsVisible() )
{
vecpChanFader[i]->Reset ( GetStoredFaderLevel ( vecChanInfo[j] ) );
vecpChanFader[i]->Reset();
// show fader
vecpChanFader[i]->Show();
@ -433,9 +462,24 @@ void CAudioMixerBoard::ApplyNewConClientList ( CVector<CChannelInfo>& vecChanInf
vecpChanFader[i]->ResetSoloState();
}
// update text
vecpChanFader[i]->
SetText ( GenFaderText ( vecChanInfo[j] ) );
// update text (if different from the current one)
if ( vecpChanFader[i]->GetReceivedName().compare ( vecChanInfo[j].strName ) )
{
// set the text in the fader
vecpChanFader[i]->SetText ( vecChanInfo[j] );
// the text has actually changed, search in the list of
// stored gains if we have a matching entry
const int iStoredFaderLevel =
GetStoredFaderLevel ( vecChanInfo[j] );
// only apply retreived fader level if it is different from
// the default one
if ( iStoredFaderLevel != AUD_MIX_FADER_MAX )
{
vecpChanFader[i]->SetFaderLevel ( iStoredFaderLevel );
}
}
// update other channel infos (only available for new protocol
// which is not compatible with old versions -> this way we make
@ -456,7 +500,7 @@ void CAudioMixerBoard::ApplyNewConClientList ( CVector<CChannelInfo>& vecChanInf
// if current fader is not used, hide it
if ( !bFaderIsUsed )
{
// before hiding the fader, store its level (if some conditions are fulfulled)
// before hiding the fader, store its level (if some conditions are fullfilled)
StoreFaderLevel ( vecpChanFader[i] );
vecpChanFader[i]->Hide();
@ -501,56 +545,65 @@ void CAudioMixerBoard::OnGainValueChanged ( const int iChannelIdx,
emit ChangeChanGain ( iChannelIdx, dValue );
}
QString CAudioMixerBoard::GenFaderText ( const CChannelInfo& ChanInfo )
{
// if text is empty, show IP address instead
if ( ChanInfo.strName.isEmpty() )
{
// convert IP address to text and show it (use dummy port number
// since it is not used here)
const CHostAddress TempAddr =
CHostAddress ( QHostAddress ( ChanInfo.iIpAddr ), 0 );
return TempAddr.toString ( CHostAddress::SM_IP_NO_LAST_BYTE );
}
else
{
// show name of channel
return ChanInfo.strName;
}
}
void CAudioMixerBoard::StoreFaderLevel ( CChannelFader* pChanFader )
{
// TODO fix all the outstanding issues
/*
// if the fader was visible and its gain value was not the default
// one, we store the old gain
// if the fader was visible and the name is not empty, we store the old gain
if ( pChanFader->IsVisible() &&
!pChanFader->IsDefaultFaderLevel() )
!pChanFader->GetReceivedName().isEmpty() )
{
// init temporary list count (may be overwritten later on)
int iTempListCnt = 0;
// TODO the actual strName is not preserved in the fader -> problem: maybe
// the IP address was substituted which we do not want to use for our
// level storage!!!!
// TODO solve this problem
// check if the new fader level is the default one -> in that case the
// entry must be deleted from the list if currently present in the list
const bool bNewLevelIsDefaultFaderLevel =
( pChanFader->GetFaderLevel() == AUD_MIX_FADER_MAX );
// add the new entry at the top of the list and get the index of the old
// position of the entry in the list (in case it was there before)
// TODO implementation
// use modified AddStringFiFoWithCompare function (which returns the indices)
// TODO this does not work for removing an entry, i.e., if bNewLevelIsDefaultFaderLevel is true!!!!!
// -> fix this bug!!!
const int iOldIdx =
vecStoredFaderTags.AddStringFiFoWithCompare ( pChanFader->GetReceivedName() );
CVector<int> viOldFaderGains ( vecStoredFaderGains );
// if the new value is not the default value, put it on the top of the
// list, otherwise just remove it from the list
if ( !bNewLevelIsDefaultFaderLevel )
{
// current fader level is at the top of the list
vecStoredFaderGains[0] = pChanFader->GetFaderLevel();
iTempListCnt = 1;
}
for ( int iIdx = 0; iIdx < MAX_NUM_STORED_FADER_LEVELS; iIdx++ )
{
// first check if we still have space in our data storage
if ( iTempListCnt < MAX_NUM_STORED_FADER_LEVELS )
{
// check for the old index of the current entry (this has to be
// skipped), note that per definition: the old index is an illegal
// index in case the entry was not present in the vector before
if ( iIdx != iOldIdx )
{
vecStoredFaderGains[iTempListCnt] = viOldFaderGains[iIdx];
iTempListCnt++;
}
}
}
}
*/
}
int CAudioMixerBoard::GetStoredFaderLevel ( const CChannelInfo& ChanInfo )
{
// TODO enable the following code as soon as the above problems are solved
/*
// only do the check if the name string is not empty
if ( !ChanInfo.strName.isEmpty() )
{
@ -564,7 +617,6 @@ int CAudioMixerBoard::GetStoredFaderLevel ( const CChannelInfo& ChanInfo )
}
}
}
*/
// return default value
return AUD_MIX_FADER_MAX;

15
src/audiomixerboard.h
View file

@ -51,7 +51,8 @@ class CChannelFader : public QObject
public:
CChannelFader ( QWidget* pNW, QHBoxLayout* pParentLayout );
void SetText ( const QString sText );
void SetText ( const CChannelInfo& ChanInfo );
QString GetReceivedName() { return strReceivedName; }
void SetInstrumentPicture ( const int iInstrument );
void Show() { pFrame->show(); }
void Hide() { pFrame->hide(); }
@ -61,13 +62,15 @@ public:
void ResetSoloState();
void SetOtherSoloState ( const bool bState );
void SetFaderLevel ( const int iLevel );
int GetFaderLevel() { return pFader->value(); }
bool IsDefaultFaderLevel() { return GetFaderLevel() == AUD_MIX_FADER_MAX; }
void Reset ( const int iLevelValue = AUD_MIX_FADER_MAX );
void Reset();
protected:
double CalcFaderGain ( const int value );
void SetMute ( const bool bState );
QString GenFaderText ( const CChannelInfo& ChanInfo );
void SendFaderLevelToServer ( const int iLevel );
QFrame* pFrame;
QSlider* pFader;
@ -76,10 +79,12 @@ protected:
QLabel* pLabel;
QLabel* pInstrument;
QString strReceivedName;
bool bOtherChannelIsSolo;
public slots:
void OnGainValueChanged ( int value );
void OnLevelValueChanged ( int value ) { SendFaderLevelToServer ( value ); }
void OnMuteStateChanged ( int value );
signals:
@ -101,8 +106,6 @@ public:
void SetGUIDesign ( const EGUIDesign eNewDesign );
protected:
QString GenFaderText ( const CChannelInfo& ChanInfo );
int GetStoredFaderLevel ( const CChannelInfo& ChanInfo );
void StoreFaderLevel ( CChannelFader* pChanFader );