776 lines
30 KiB
C++
Executable File
776 lines
30 KiB
C++
Executable File
/******************************************************************************\
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* Copyright (c) 2004-2020
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*
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* Author(s):
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* Volker Fischer
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*
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******************************************************************************
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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\******************************************************************************/
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#include "audiomixerboard.h"
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/******************************************************************************\
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* CChanneFader *
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\******************************************************************************/
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CChannelFader::CChannelFader ( QWidget* pNW,
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QHBoxLayout* pParentLayout )
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{
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// create new GUI control objects and store pointers to them (note that
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// QWidget takes the ownership of the pMainGrid so that this only has
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// to be created locally in this constructor)
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pFrame = new QFrame ( pNW );
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QVBoxLayout* pMainGrid = new QVBoxLayout ( pFrame );
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pFader = new QSlider ( Qt::Vertical, pFrame );
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pcbMute = new QCheckBox ( "Mute", pFrame );
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pcbSolo = new QCheckBox ( "Solo", pFrame );
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pLabelInstBox = new QGroupBox ( pFrame );
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plblLabel = new QLabel ( "", pFrame );
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plblInstrument = new QLabel ( pFrame );
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plblCountryFlag = new QLabel ( pFrame );
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QHBoxLayout* pLabelGrid = new QHBoxLayout ( pLabelInstBox );
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QVBoxLayout* pLabelPictGrid = new QVBoxLayout();
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// setup slider
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pFader->setPageStep ( 1 );
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pFader->setTickPosition ( QSlider::TicksBothSides );
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pFader->setRange ( 0, AUD_MIX_FADER_MAX );
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pFader->setTickInterval ( AUD_MIX_FADER_MAX / 9 );
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// setup fader tag label (black bold text which is centered)
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plblLabel->setTextFormat ( Qt::PlainText );
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plblLabel->setAlignment ( Qt::AlignHCenter | Qt::AlignVCenter );
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plblLabel->setMinimumHeight ( 40 ); // maximum hight of the instrument+flag pictures
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plblLabel->setStyleSheet (
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"QLabel { color: black;"
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" font: bold; }" );
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// set margins of the layouts to zero to get maximum space for the controls
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pMainGrid->setContentsMargins ( 0, 0, 0, 0 );
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pLabelGrid->setContentsMargins ( 0, 0, 0, 0 );
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pLabelGrid->setSpacing ( 2 ); // only minimal space between picture and text
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// add user controls to the grids
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pLabelPictGrid->addWidget ( plblCountryFlag, 0, Qt::AlignHCenter );
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pLabelPictGrid->addWidget ( plblInstrument, 0, Qt::AlignHCenter );
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pLabelGrid->addLayout ( pLabelPictGrid );
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pLabelGrid->addWidget ( plblLabel, 0, Qt::AlignVCenter );
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pMainGrid->addWidget ( pFader, 0, Qt::AlignHCenter );
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pMainGrid->addWidget ( pcbMute, 0, Qt::AlignLeft );
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pMainGrid->addWidget ( pcbSolo, 0, Qt::AlignLeft );
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pMainGrid->addWidget ( pLabelInstBox );
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// add fader frame to audio mixer board layout
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pParentLayout->addWidget( pFrame );
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// reset current fader
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Reset();
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// add help text to controls
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pFader->setWhatsThis ( tr ( "<b>Mixer Fader:</b> Adjusts the audio level of "
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"this channel. All connected clients at the server will be assigned "
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"an audio fader at each client." ) );
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pFader->setAccessibleName ( tr ( "Mixer level setting of the connected client "
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"at the server" ) );
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pcbMute->setWhatsThis ( tr ( "<b>Mute:</b> With the Mute checkbox, the current "
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"audio channel can be muted." ) );
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pcbMute->setAccessibleName ( tr ( "Mute button" ) );
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pcbSolo->setWhatsThis ( tr ( "<b>Solo:</b> With the Solo checkbox, the current "
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"audio channel can be set to solo which means that all other channels "
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"except of the current channel are muted. It is possible to set more than "
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"one channel to solo." ) );
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pcbSolo->setAccessibleName ( tr ( "Solo button" ) );
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QString strFaderText = tr ( "<b>Fader Tag:</b> The fader tag "
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"identifies the connected client. The tag name, the picture of your "
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"instrument and a flag of your country can be set in the main window." );
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plblInstrument->setWhatsThis ( strFaderText );
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plblInstrument->setAccessibleName ( tr ( "Mixer channel instrument picture" ) );
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plblLabel->setWhatsThis ( strFaderText );
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plblLabel->setAccessibleName ( tr ( "Mixer channel label (fader tag)" ) );
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plblCountryFlag->setWhatsThis ( strFaderText );
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plblCountryFlag->setAccessibleName ( tr ( "Mixer channel country flag" ) );
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// Connections -------------------------------------------------------------
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QObject::connect ( pFader, SIGNAL ( valueChanged ( int ) ),
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this, SLOT ( OnLevelValueChanged ( int ) ) );
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QObject::connect ( pcbMute, SIGNAL ( stateChanged ( int ) ),
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this, SLOT ( OnMuteStateChanged ( int ) ) );
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QObject::connect ( pcbSolo,
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SIGNAL ( stateChanged ( int ) ),
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SIGNAL ( soloStateChanged ( int ) ) );
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}
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void CChannelFader::SetGUIDesign ( const EGUIDesign eNewDesign )
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{
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switch ( eNewDesign )
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{
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case GD_ORIGINAL:
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// fader
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pFader->setStyleSheet (
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"QSlider { width: 45px;"
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" border-image: url(:/png/fader/res/faderbackground.png) repeat;"
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" border-top: 10px transparent;"
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" border-bottom: 10px transparent;"
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" border-left: 20px transparent;"
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" border-right: -25px transparent; }"
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"QSlider::groove { image: url();"
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" padding-left: -38px;"
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" padding-top: -10px;"
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" padding-bottom: -15px; }"
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"QSlider::handle { image: url(:/png/fader/res/faderhandle.png); }" );
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// mute button
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pcbMute->setText ( tr ( "MUTE" ) );
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// solo button
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pcbSolo->setText ( tr ( "SOLO" ) );
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break;
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default:
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// reset style sheet and set original paramters
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pFader->setStyleSheet ( "" );
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pcbMute->setText ( tr ( "Mute" ) );
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pcbSolo->setText ( tr ( "Solo" ) );
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break;
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}
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}
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void CChannelFader::SetupFaderTag ( const ESkillLevel eSkillLevel )
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{
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// setup group box for label/instrument picture: set a thick black border
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// with nice round edges
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QString strStile =
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"QGroupBox { border: 2px solid black;"
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" border-radius: 4px;"
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" padding: 3px;";
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// the background color depends on the skill level
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switch ( eSkillLevel )
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{
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case SL_BEGINNER:
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strStile += QString ( "background-color: rgb(%1, %2, %3); }" ).
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arg ( RGBCOL_R_SL_BEGINNER ).
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arg ( RGBCOL_G_SL_BEGINNER ).
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arg ( RGBCOL_B_SL_BEGINNER );
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break;
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case SL_INTERMEDIATE:
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strStile += QString ( "background-color: rgb(%1, %2, %3); }" ).
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arg ( RGBCOL_R_SL_INTERMEDIATE ).
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arg ( RGBCOL_G_SL_INTERMEDIATE ).
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arg ( RGBCOL_B_SL_INTERMEDIATE );
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break;
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case SL_PROFESSIONAL:
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strStile += QString ( "background-color: rgb(%1, %2, %3); }" ).
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arg ( RGBCOL_R_SL_SL_PROFESSIONAL ).
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arg ( RGBCOL_G_SL_SL_PROFESSIONAL ).
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arg ( RGBCOL_B_SL_SL_PROFESSIONAL );
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break;
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default:
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strStile += QString ( "background-color: rgb(%1, %2, %3); }" ).
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arg ( RGBCOL_R_SL_NOT_SET ).
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arg ( RGBCOL_G_SL_NOT_SET ).
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arg ( RGBCOL_B_SL_NOT_SET );
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break;
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}
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pLabelInstBox->setStyleSheet ( strStile );
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}
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void CChannelFader::Reset()
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{
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// init gain value -> maximum value as definition according to server
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pFader->setValue ( AUD_MIX_FADER_MAX );
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// reset mute/solo check boxes
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pcbMute->setChecked ( false );
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pcbSolo->setChecked ( false );
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// clear instrument picture, country flag, tool tips and label text
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plblLabel->setText ( "" );
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plblLabel->setToolTip ( "" );
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plblInstrument->setVisible ( false );
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plblInstrument->setToolTip ( "" );
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plblCountryFlag->setVisible ( false );
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plblCountryFlag->setToolTip ( "" );
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strReceivedName = "";
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SetupFaderTag ( SL_NOT_SET );
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// set a defined tool tip time out (only available in Qt5)
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#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
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const int iToolTipDurMs = 30000;
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plblLabel->setToolTipDuration ( iToolTipDurMs );
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plblInstrument->setToolTipDuration ( iToolTipDurMs );
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plblCountryFlag->setToolTipDuration ( iToolTipDurMs );
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#endif
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bOtherChannelIsSolo = false;
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}
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void CChannelFader::SetFaderLevel ( const int iLevel )
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{
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// first make a range check
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if ( ( iLevel >= 0 ) && ( iLevel <= AUD_MIX_FADER_MAX ) )
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{
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// we set the new fader level in the GUI (slider control) and also tell the
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// server about the change
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pFader->setValue ( iLevel );
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SendFaderLevelToServer ( iLevel );
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}
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}
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void CChannelFader::SetFaderIsSolo ( const bool bIsSolo )
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{
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// changing the state automatically emits the signal, too
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pcbSolo->setChecked ( bIsSolo );
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}
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void CChannelFader::SendFaderLevelToServer ( const int iLevel )
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{
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// if mute flag is set or other channel is on solo, do not apply the new
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// fader value (exception: we are on solo, in that case we ignore the
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// "other channel is on solo" flag)
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if ( ( pcbMute->checkState() == Qt::Unchecked ) &&
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( !bOtherChannelIsSolo || IsSolo() ) )
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{
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// emit signal for new fader gain value
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emit gainValueChanged ( CalcFaderGain ( iLevel ) );
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}
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}
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void CChannelFader::OnMuteStateChanged ( int value )
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{
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// call muting function
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SetMute ( static_cast<Qt::CheckState> ( value ) == Qt::Checked );
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}
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void CChannelFader::SetMute ( const bool bState )
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{
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if ( bState )
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{
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// mute channel -> send gain of 0
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emit gainValueChanged ( 0 );
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}
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else
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{
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// only unmute if we are not solot but an other channel is on solo
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if ( !bOtherChannelIsSolo || IsSolo() )
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{
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// mute was unchecked, get current fader value and apply
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emit gainValueChanged ( CalcFaderGain ( GetFaderLevel() ) );
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}
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}
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}
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void CChannelFader::UpdateSoloState ( const bool bNewOtherSoloState )
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{
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// store state (must be done before the SetMute() call!)
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bOtherChannelIsSolo = bNewOtherSoloState;
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// mute overwrites solo -> if mute is active, do not change anything
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if ( !pcbMute->isChecked() )
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{
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// mute channel if we are not solo but another channel is solo
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SetMute ( bOtherChannelIsSolo && !IsSolo() );
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}
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}
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void CChannelFader::SetText ( const CChannelInfo& ChanInfo )
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{
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// store original received name
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strReceivedName = ChanInfo.strName;
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// break text at predefined position
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const int iBreakPos = MAX_LEN_FADER_TAG / 2;
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QString strModText = ChanInfo.GenNameForDisplay();
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if ( strModText.length() > iBreakPos )
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{
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strModText.insert ( iBreakPos, QString ( "\n" ) );
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}
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plblLabel->setText ( strModText );
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}
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void CChannelFader::SetChannelInfos ( const CChannelInfo& cChanInfo )
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{
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// init properties for the tool tip
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int iTTInstrument = CInstPictures::GetNotUsedInstrument();
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QLocale::Country eTTCountry = QLocale::AnyCountry;
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// Instrument picture ------------------------------------------------------
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// get the resource reference string for this instrument
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const QString strCurResourceRef =
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CInstPictures::GetResourceReference ( cChanInfo.iInstrument );
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// first check if instrument picture is used or not and if it is valid
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if ( CInstPictures::IsNotUsedInstrument ( cChanInfo.iInstrument ) ||
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strCurResourceRef.isEmpty() )
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{
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// disable instrument picture
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plblInstrument->setVisible ( false );
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}
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else
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{
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// set correct picture
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plblInstrument->setPixmap ( QPixmap ( strCurResourceRef ) );
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iTTInstrument = cChanInfo.iInstrument;
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// enable instrument picture
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plblInstrument->setVisible ( true );
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}
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// Country flag icon -------------------------------------------------------
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if ( cChanInfo.eCountry != QLocale::AnyCountry )
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{
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// try to load the country flag icon
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QPixmap CountryFlagPixmap (
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CCountyFlagIcons::GetResourceReference ( cChanInfo.eCountry ) );
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// first check if resource reference was valid
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if ( CountryFlagPixmap.isNull() )
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{
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// disable country flag
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plblCountryFlag->setVisible ( false );
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}
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else
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{
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// set correct picture
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plblCountryFlag->setPixmap ( CountryFlagPixmap );
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eTTCountry = cChanInfo.eCountry;
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// enable country flag
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plblCountryFlag->setVisible ( true );
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}
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}
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else
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{
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// disable country flag
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plblCountryFlag->setVisible ( false );
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}
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// Skill level background color --------------------------------------------
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SetupFaderTag ( cChanInfo.eSkillLevel );
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// Tool tip ----------------------------------------------------------------
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// complete musician profile in the tool tip
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QString strToolTip = "";
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// alias/name
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if ( !strReceivedName.isEmpty() )
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{
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strToolTip += "<h4>Alias/Name</h4>" + strReceivedName;
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}
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// instrument
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if ( !CInstPictures::IsNotUsedInstrument ( iTTInstrument ) )
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{
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strToolTip += "<h4>Instrument</h4>" +
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CInstPictures::GetName ( iTTInstrument );
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}
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// location
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if ( ( eTTCountry != QLocale::AnyCountry ) ||
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( !cChanInfo.strCity.isEmpty() ) )
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{
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strToolTip += "<h4>Location</h4>";
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if ( !cChanInfo.strCity.isEmpty() )
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{
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strToolTip += cChanInfo.strCity;
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if ( eTTCountry != QLocale::AnyCountry )
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{
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strToolTip += ", ";
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}
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}
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if ( eTTCountry != QLocale::AnyCountry )
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{
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strToolTip += QLocale::countryToString ( eTTCountry );
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}
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}
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// skill level
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switch ( cChanInfo.eSkillLevel )
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{
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case SL_BEGINNER:
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strToolTip += "<h4>Skill Level</h4>Beginner";
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break;
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case SL_INTERMEDIATE:
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strToolTip += "<h4>Skill Level</h4>Intermediate";
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break;
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case SL_PROFESSIONAL:
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strToolTip += "<h4>Skill Level</h4>Expert";
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break;
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case SL_NOT_SET:
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// skill level not set, do not add this entry
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break;
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}
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// if no information is given, leave the tool tip empty, otherwise add header
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if ( !strToolTip.isEmpty() )
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{
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strToolTip.prepend ( "<h3>Musician Profile</h3>" );
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}
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plblCountryFlag->setToolTip ( strToolTip );
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plblInstrument->setToolTip ( strToolTip );
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plblLabel->setToolTip ( strToolTip );
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}
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double CChannelFader::CalcFaderGain ( const int value )
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{
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// convert actual slider range in gain values
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// and normalize so that maximum gain is 1
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return static_cast<double> ( value ) / AUD_MIX_FADER_MAX;
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}
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/******************************************************************************\
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* CAudioMixerBoard *
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\******************************************************************************/
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CAudioMixerBoard::CAudioMixerBoard ( QWidget* parent, Qt::WindowFlags ) :
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QGroupBox ( parent ),
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vecStoredFaderTags ( MAX_NUM_STORED_FADER_SETTINGS, "" ),
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vecStoredFaderLevels ( MAX_NUM_STORED_FADER_SETTINGS, AUD_MIX_FADER_MAX ),
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vecStoredFaderIsSolo ( MAX_NUM_STORED_FADER_SETTINGS, false ),
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iNewClientFaderLevel ( 100 ),
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bNoFaderVisible ( true )
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{
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// set title text (default: no server given)
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SetServerName ( "" );
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// add hboxlayout
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pMainLayout = new QHBoxLayout ( this );
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// create all mixer controls and make them invisible
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vecpChanFader.Init ( MAX_NUM_CHANNELS );
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for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
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{
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vecpChanFader[i] = new CChannelFader ( this, pMainLayout );
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vecpChanFader[i]->Hide();
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}
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// insert horizontal spacer
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pMainLayout->addItem ( new QSpacerItem ( 0, 0, QSizePolicy::Expanding ) );
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// Connections -------------------------------------------------------------
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// CODE TAG: MAX_NUM_CHANNELS_TAG
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// make sure we have MAX_NUM_CHANNELS connections!!!
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QObject::connect ( vecpChanFader[0], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh0 ( double ) ) );
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QObject::connect ( vecpChanFader[1], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh1 ( double ) ) );
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QObject::connect ( vecpChanFader[2], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh2 ( double ) ) );
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QObject::connect ( vecpChanFader[3], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh3 ( double ) ) );
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QObject::connect ( vecpChanFader[4], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh4 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[5], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh5 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[6], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh6 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[7], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh7 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[8], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh8 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[9], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh9 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[10], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh10 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[11], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh11 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[12], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh12 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[13], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh13 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[14], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh14 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[15], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh15 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[16], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh16 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[17], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh17 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[18], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh18 ( double ) ) );
|
|
QObject::connect ( vecpChanFader[19], SIGNAL ( gainValueChanged ( double ) ), this, SLOT ( OnGainValueChangedCh19 ( double ) ) );
|
|
|
|
QObject::connect ( vecpChanFader[0], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[1], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[2], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[3], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[4], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[5], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[6], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[7], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[8], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[9], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[10], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[11], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[12], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[13], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[14], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[15], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[16], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[17], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[18], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
QObject::connect ( vecpChanFader[19], SIGNAL ( soloStateChanged ( int ) ), this, SLOT ( OnChSoloStateChanged() ) );
|
|
}
|
|
|
|
void CAudioMixerBoard::SetServerName ( const QString& strNewServerName )
|
|
{
|
|
// set title text of the group box
|
|
if ( strNewServerName.isEmpty() )
|
|
{
|
|
setTitle ( "Server" );
|
|
}
|
|
else
|
|
{
|
|
setTitle ( strNewServerName );
|
|
}
|
|
}
|
|
|
|
void CAudioMixerBoard::SetGUIDesign ( const EGUIDesign eNewDesign )
|
|
{
|
|
// apply GUI design to child GUI controls
|
|
for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
|
|
{
|
|
vecpChanFader[i]->SetGUIDesign ( eNewDesign );
|
|
}
|
|
}
|
|
|
|
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 fullfilled)
|
|
StoreFaderSettings ( vecpChanFader[i] );
|
|
|
|
vecpChanFader[i]->Hide();
|
|
}
|
|
|
|
// set flag
|
|
bNoFaderVisible = true;
|
|
|
|
// emit status of connected clients
|
|
emit NumClientsChanged ( 0 ); // -> no clients connected
|
|
}
|
|
|
|
void CAudioMixerBoard::ApplyNewConClientList ( CVector<CChannelInfo>& vecChanInfo )
|
|
{
|
|
// get number of connected clients
|
|
const int iNumConnectedClients = vecChanInfo.Size();
|
|
|
|
// search for channels with are already present and preserve their gain
|
|
// setting, for all other channels reset gain
|
|
for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
|
|
{
|
|
bool bFaderIsUsed = false;
|
|
|
|
for ( int j = 0; j < iNumConnectedClients; j++ )
|
|
{
|
|
// check if current fader is used
|
|
if ( vecChanInfo[j].iChanID == i )
|
|
{
|
|
// check if fader was already in use -> preserve gain value
|
|
if ( !vecpChanFader[i]->IsVisible() )
|
|
{
|
|
// the fader was not in use, reset everything for new client
|
|
vecpChanFader[i]->Reset();
|
|
|
|
// show fader
|
|
vecpChanFader[i]->Show();
|
|
|
|
// Set the default initial fader level. Check first that
|
|
// this is not the initialization (i.e. previously there
|
|
// were no faders visible) to avoid that our own level is
|
|
// adjusted. The fader level of 100 % is the default in the
|
|
// server, in that case we do not have to do anything here.
|
|
if ( !bNoFaderVisible && ( iNewClientFaderLevel != 100 ) )
|
|
{
|
|
// the value is in percent -> convert range
|
|
vecpChanFader[i]->SetFaderLevel ( static_cast<int> (
|
|
iNewClientFaderLevel / 100.0 * AUD_MIX_FADER_MAX ) );
|
|
}
|
|
}
|
|
|
|
// restore gain (if new name is different from the current one)
|
|
if ( vecpChanFader[i]->GetReceivedName().compare ( vecChanInfo[j].strName ) )
|
|
{
|
|
// the text has actually changed, search in the list of
|
|
// stored settings if we have a matching entry
|
|
int iStoredFaderLevel;
|
|
bool bStoredFaderIsSolo;
|
|
|
|
if ( GetStoredFaderSettings ( vecChanInfo[j],
|
|
iStoredFaderLevel,
|
|
bStoredFaderIsSolo ) )
|
|
{
|
|
vecpChanFader[i]->SetFaderLevel ( iStoredFaderLevel );
|
|
vecpChanFader[i]->SetFaderIsSolo ( bStoredFaderIsSolo );
|
|
}
|
|
}
|
|
|
|
// set the text in the fader
|
|
vecpChanFader[i]->SetText ( vecChanInfo[j] );
|
|
|
|
// update other channel infos
|
|
vecpChanFader[i]->SetChannelInfos ( vecChanInfo[j] );
|
|
|
|
bFaderIsUsed = true;
|
|
}
|
|
}
|
|
|
|
// if current fader is not used, hide it
|
|
if ( !bFaderIsUsed )
|
|
{
|
|
// before hiding the fader, store its level (if some conditions are fullfilled)
|
|
StoreFaderSettings ( vecpChanFader[i] );
|
|
|
|
vecpChanFader[i]->Hide();
|
|
}
|
|
}
|
|
|
|
// update the solo states since if any channel was on solo and a new client
|
|
// has just connected, the new channel must be muted
|
|
UpdateSoloStates();
|
|
|
|
// update flag for "all faders are invisible"
|
|
bNoFaderVisible = ( iNumConnectedClients == 0 );
|
|
|
|
// emit status of connected clients
|
|
emit NumClientsChanged ( iNumConnectedClients );
|
|
}
|
|
|
|
void CAudioMixerBoard::SetFaderLevel ( const int iChannelIdx,
|
|
const int iValue )
|
|
{
|
|
// only apply new fader level if channel index is valid and the fader is visible
|
|
if ( ( iChannelIdx >= 0 ) && ( iChannelIdx < MAX_NUM_CHANNELS ) )
|
|
{
|
|
if ( vecpChanFader[iChannelIdx]->IsVisible() )
|
|
{
|
|
vecpChanFader[iChannelIdx]->SetFaderLevel ( iValue );
|
|
}
|
|
}
|
|
}
|
|
|
|
void CAudioMixerBoard::UpdateSoloStates()
|
|
{
|
|
// first check if any channel has a solo state active
|
|
bool bAnyChannelIsSolo = false;
|
|
|
|
for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
|
|
{
|
|
// check if fader is in use and has solo state active
|
|
if ( vecpChanFader[i]->IsVisible() && vecpChanFader[i]->IsSolo() )
|
|
{
|
|
bAnyChannelIsSolo = true;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// now update the solo state of all active faders
|
|
for ( int i = 0; i < MAX_NUM_CHANNELS; i++ )
|
|
{
|
|
if ( vecpChanFader[i]->IsVisible() )
|
|
{
|
|
vecpChanFader[i]->UpdateSoloState ( bAnyChannelIsSolo );
|
|
}
|
|
}
|
|
}
|
|
|
|
void CAudioMixerBoard::OnGainValueChanged ( const int iChannelIdx,
|
|
const double dValue )
|
|
{
|
|
emit ChangeChanGain ( iChannelIdx, dValue );
|
|
}
|
|
|
|
void CAudioMixerBoard::StoreFaderSettings ( CChannelFader* pChanFader )
|
|
{
|
|
// if the fader was visible and the name is not empty, we store the old gain
|
|
if ( pChanFader->IsVisible() &&
|
|
!pChanFader->GetReceivedName().isEmpty() )
|
|
{
|
|
CVector<int> viOldStoredFaderLevels ( vecStoredFaderLevels );
|
|
CVector<int> vbOldStoredFaderIsSolo ( vecStoredFaderIsSolo );
|
|
|
|
// init temporary list count (may be overwritten later on)
|
|
int iTempListCnt = 0;
|
|
|
|
// put new value on the top of the list
|
|
const int iOldIdx =
|
|
vecStoredFaderTags.StringFiFoWithCompare ( pChanFader->GetReceivedName(),
|
|
true );
|
|
|
|
// current fader level and solo state is at the top of the list
|
|
vecStoredFaderLevels[0] = pChanFader->GetFaderLevel();
|
|
vecStoredFaderIsSolo[0] = pChanFader->IsSolo();
|
|
iTempListCnt = 1;
|
|
|
|
for ( int iIdx = 0; iIdx < MAX_NUM_STORED_FADER_SETTINGS; iIdx++ )
|
|
{
|
|
// first check if we still have space in our data storage
|
|
if ( iTempListCnt < MAX_NUM_STORED_FADER_SETTINGS )
|
|
{
|
|
// 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 )
|
|
{
|
|
vecStoredFaderLevels[iTempListCnt] = viOldStoredFaderLevels[iIdx];
|
|
vecStoredFaderIsSolo[iTempListCnt] = vbOldStoredFaderIsSolo[iIdx];
|
|
|
|
iTempListCnt++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool CAudioMixerBoard::GetStoredFaderSettings ( const CChannelInfo& ChanInfo,
|
|
int& iStoredFaderLevel,
|
|
bool& bStoredFaderIsSolo )
|
|
{
|
|
// only do the check if the name string is not empty
|
|
if ( !ChanInfo.strName.isEmpty() )
|
|
{
|
|
for ( int iIdx = 0; iIdx < MAX_NUM_STORED_FADER_SETTINGS; iIdx++ )
|
|
{
|
|
// check if fader text is already known in the list
|
|
if ( !vecStoredFaderTags[iIdx].compare ( ChanInfo.strName ) )
|
|
{
|
|
// copy stored settings values
|
|
iStoredFaderLevel = vecStoredFaderLevels[iIdx];
|
|
bStoredFaderIsSolo = vecStoredFaderIsSolo[iIdx] != false;
|
|
|
|
// values found and copied, return OK
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// return "not OK" since we did not find matching fader settings
|
|
return false;
|
|
}
|