// ****************************************************************************
//
//              CEchoGalsVmixer.cpp
//
//              CEchoGalsVmixer is used to add virtual output mixing to the base
//              CEchoGals class.
//
//              Set editor tabs to 3 for your viewing pleasure.
//              
// ----------------------------------------------------------------------------
//
// This file is part of Echo Digital Audio's generic driver library.
// Copyright Echo Digital Audio Corporation (c) 1998 - 2005
// All rights reserved
// www.echoaudio.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// ****************************************************************************

#include "CEchoGalsVmixer.h"


//****************************************************************************
//
// Constructor and destructor
//
//****************************************************************************

CEchoGalsVmixer::CEchoGalsVmixer( PCOsSupport pOsSupport )
                  : CEchoGals( pOsSupport )
{
        ECHO_DEBUGPRINTF( ( "CEchoGalsVmixer::CEchoGalsVmixer() is born!\n" ) );
        
}       // CEchoGalsVmixer::CEchoGalsVmixer()


CEchoGalsVmixer::~CEchoGalsVmixer()
{
        ECHO_DEBUGPRINTF( ( "CEchoGalsVmixer::~CEchoGalsVmixer() is toast!\n" ) );
}       // CEchoGalsVmixer::~CEchoGalsVmixer()




//****************************************************************************
//
// Vmixer
//
//****************************************************************************

//===========================================================================
//
// Most of the cards don't have an actual output bus gain; they only
// have gain controls for output pipes; the output bus gain is implemented
// as a logical control.  Vmixer cards work fifferently; it does have 
// a physical output bus gain control, so just pass the gain down to the 
// DSP comm object.
//
//===========================================================================

ECHOSTATUS CEchoGalsVmixer::AdjustPipesOutForBusOut(WORD wBusOut,INT32 iBusOutGain)
{
        WORD wPipe;
        
        ECHO_DEBUGPRINTF(("CEchoGalsVmixer::AdjustPipesOutForBusOut wBusOut %d  iBusOutGain %ld\n",
                                                        wBusOut,
                                                        iBusOutGain));

        wBusOut &= 0xfffe;                                      
        for (wPipe = 1; wPipe < GetNumPipesOut(); wPipe++)
        {
                m_PipeOutCtrl.SetGain( wPipe, wBusOut, ECHOGAIN_UPDATE, FALSE);
        }

        m_PipeOutCtrl.SetGain( 0, wBusOut, ECHOGAIN_UPDATE, TRUE);

        return ECHOSTATUS_OK;
        
}       // AdjustPipesOutForBusOut


//===========================================================================
//
// GetBaseCapabilities is used by the CEchoGals-derived classes to
// help fill out the ECHOGALS_CAPS struct.  Override this here to add 
// the vmixer stuff.
//
//===========================================================================

ECHOSTATUS CEchoGalsVmixer::GetBaseCapabilities
(
        PECHOGALS_CAPS  pCapabilities
)
{
        DWORD i;
        ECHOSTATUS Status;
        
        //
        // Base class
        //
        Status = CEchoGals::GetBaseCapabilities(pCapabilities);

        //
        // Add meters & pans to output pipes
        //
        for (i = 0 ; i < GetNumPipesOut(); i++)
        {
                pCapabilities->dwPipeOutCaps[i] |= ECHOCAPS_PEAK_METER |        
                                                                                                                ECHOCAPS_PAN;
        }
        
        return Status;
                
}       // GetBaseCapabilities


//===========================================================================
//
// Adjust all the monitor levels for a particular output bus
//
// For vmixer cards, need to force the "update monitors" command
// for the DSP 'cos it doesn't get sent otherwise.
//
//===========================================================================

ECHOSTATUS CEchoGalsVmixer::AdjustMonitorsForBusOut(WORD wBusOut)
{
        ECHOSTATUS Status;

        //
        // Call the base class
        //      
        Status = CEchoGals::AdjustMonitorsForBusOut( wBusOut );
        if (ECHOSTATUS_OK == Status)
        {
                GetDspCommObject()->UpdateAudioOutLineLevel();          
        }

        return Status;
                
}       // AdjustMonitorsForBusOut


// *** CEchoGalsVmixer.cpp ***