Volume.cpp
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上传日期:2022-04-12
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文件大小:2k
- ////////////////////////////////////////////////////////////////////////////
- //
- //
- // Project : VideoNet version 1.1.
- // Description : Peer to Peer Video Conferencing over the LAN.
- // Author : Nagareshwar Y Talekar ( nsry2002@yahoo.co.in)
- // Date : 15-6-2004.
- //
- //
- // File description :
- // Name : Volume.cpp
- // Details : Volume control dialog class
- //
- //
- /////////////////////////////////////////////////////////////////////////////
- #include "stdafx.h"
- #include "VideoNet.h"
- #include <mmsystem.h>
- #include <afxcmn.h>
- #include "Mixer.h"
- #include "Volume.h"
- #include "Resource.h"
- //////////////////////////////////////////////////////////////////////
- // Construction/Destruction
- //////////////////////////////////////////////////////////////////////
- BEGIN_MESSAGE_MAP(Volume,CDialog)
- ON_WM_HSCROLL()
- END_MESSAGE_MAP()
- Volume::Volume(int n):CDialog(n)
- {
- }
- BOOL Volume::OnInitDialog()
- {
- int min,max;
- //Volume control for recording
- mixrec=new CMixer(MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE, CMixer::Record,min,max);
- srec=(CSliderCtrl*)GetDlgItem(IDC_SLIDER1);
- srec->SetRange(min,max);
- int pos=mixrec->GetVolume();
- srec->SetPos(pos);
- //Volume control for playing
- mixplay=new CMixer(MIXERLINE_COMPONENTTYPE_DST_SPEAKERS ,CMixer::Play,min,max);
- splay=(CSliderCtrl*)GetDlgItem(IDC_SLIDER2);
- splay->SetRange(min,max);
- pos=mixplay->GetVolume();
- splay->SetPos(pos);
- return TRUE;
- }
- //
- // Invoked when slider pointer is changed...
- //
- void Volume::OnHScroll(UINT code,UINT pos,CScrollBar *scroll)
- {
- int vol;
- if(srec==(CSliderCtrl*)scroll)
- {
- vol=srec->GetPos();
- mixrec->SetVolume(vol);
- }
- if(splay==(CSliderCtrl*)scroll)
- {
- vol=splay->GetPos();
- mixplay->SetVolume(vol);
- }
- }