AudioVideoCapture.rar AVCapDlg.cpp

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// AVCapDlg.cpp : implementation file
//

#include "stdafx.h"
#include "AVCap.h"
#include "AVCapDlg.h"

#include "CVideoSourcePage.h"
#include "CAudioSourcePage.h"
#include "COutputPage.h"
#include "GlobalDefs.h"
#include "CVideoDevices.h"
#include "CAudioDevices.h"

#include "CGraphController.h"
#include "CCaptureController.h"
#include "CPreviewController.h"
#include "CLiveInputFilters.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAVCapDlg dialog

CAVCapDlg::CAVCapDlg(CWnd* pParent /*=NULL*/)
: CDialog(CAVCapDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CAVCapDlg)
mOutputFile = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

mController = NULL;
mLiveCapture.AddMsgReceiver(this);
CVideoDevices::Instance()->AddMsgReceiver(this);
}

void CAVCapDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CAVCapDlg)
DDX_Control(pDX, IDC_EDIT_SAVE_FILE, mEditSaveFile);
DDX_Control(pDX, IDC_BUTTON_GRAB, mButtonGrab);
DDX_Control(pDX, IDC_BUTTON_ADVANCED_VIDEO, mButtonVideoSettings);
DDX_Control(pDX, IDC_BUTTON_ADVANCED_OUTPUT, mButtonOutputSettings);
DDX_Control(pDX, IDC_BUTTON_ADVANCED_AUDIO, mButtonAudioSettings);
DDX_Control(pDX, IDC_BUTTON_CAPTURE, mButtonCapture);
DDX_Control(pDX, IDC_VIDEO_WINDOW, mVideoWindow);
DDX_Control(pDX, IDC_COMBO_DEVICE_AUDIO, mComboAudioDevices);
DDX_Control(pDX, IDC_COMBO_DEVICE_VIDEO, mComboVideoDevices);
DDX_Text(pDX, IDC_EDIT_SAVE_FILE, mOutputFile);
//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAVCapDlg, CDialog)
//{{AFX_MSG_MAP(CAVCapDlg)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_ERASEBKGND()
ON_BN_CLICKED(IDC_BUTTON_ADVANCED_VIDEO, OnButtonAdvancedVideo)
ON_BN_CLICKED(IDC_BUTTON_ADVANCED_AUDIO, OnButtonAdvancedAudio)
ON_BN_CLICKED(IDC_BUTTON_ADVANCED_OUTPUT, OnButtonAdvancedOutput)
ON_WM_DESTROY()
ON_CBN_SELCHANGE(IDC_COMBO_DEVICE_AUDIO, OnSelchangeComboDeviceAudio)
ON_CBN_SELCHANGE(IDC_COMBO_DEVICE_VIDEO, OnSelchangeComboDeviceVideo)
ON_BN_CLICKED(IDC_BUTTON_CAPTURE, OnButtonCapture)
ON_BN_CLICKED(IDC_BUTTON_GRAB, OnButtonGrab)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAVCapDlg message handlers

BOOL CAVCapDlg::OnInitDialog()
{
CDialog::OnInitDialog();

// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon

// TODO: Add extra initialization here
mLiveCapture.SetNotifying(FALSE);

FillAudioDevices();
FillVideoDevices();
mOutputFile = mLiveCapture.GetOutputFile();
UpdateData(FALSE);

CreateController();

mLiveCapture.SetNotifying(TRUE);

return TRUE; // return TRUE unless you set the focus to a control
}

void CAVCapDlg::OnDestroy()
{
if (mController)
{
mController->Deactive();
delete mController;
mController = NULL;
}

CVideoDevices::Release();
CAudioDevices::Release();

CDialog::OnDestroy();
}

// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.

void CAVCapDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting

SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&amt;rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;

// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}

// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CAVCapDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}

BOOL CAVCapDlg::OnEraseBkgnd(CDC* pDC)
{
// Intercept background erasing for the movie window, since the
// video renderer will keep the screen painted. Without this code,
// your video window might get painted over with gray (the default
// background brush) when it is obscured by another window and redrawn.
CRect rc;
// Get the bounding rectangle for the movie screen
mVideoWindow.GetWindowRect(&amt;rc);
ScreenToClient(&amt;rc);
// Exclude the clipping region occupied by our movie screen
pDC->ExcludeClipRect(&amt;rc);

// Erase the remainder of the dialog as usual
return CDialog::OnEraseBkgnd(pDC);
}

void CAVCapDlg::CreateController(void)
{
SAFE_DELETE(mController);

switch (mLiveCapture.GetWorkMode())
{
case MD_Capture:
mController = new CCaptureController();
break;

case MD_Preview:
default:
mController = new CPreviewController();
break;
}

// Settings...
mController->SetVideoWindow(&amt;mVideoWindow);
mController->SetLiveCapture(&amt;mLiveCapture);
mController->Activate();
}

void CAVCapDlg::FillAudioDevices(void)
{
mComboAudioDevices.ResetContent();

POSITION pos = CAudioDevices::Instance()->mList.GetHeadPosition();
while (pos)
{
CDSDevice device = CAudioDevices::Instance()->mList.GetNext(pos);
mComboAudioDevices.AddString(device.GetDeviceFriendlyName());
}

// Select the first device
if (mComboAudioDevices.GetCount() > 0)
{
mComboAudioDevices.SetCurSel(0);
CString deviceName;
mComboAudioDevices.GetLBText(0, deviceName);
mLiveCapture.SetAudioDevice(deviceName);
}
}

void CAVCapDlg::FillVideoDevices(void)
{
mComboVideoDevices.ResetContent();

POSITION pos = CVideoDevices::Instance()->mList.GetHeadPosition();
while (pos)
{
CDSDevice device = CVideoDevices::Instance()->mList.GetNext(pos);
mComboVideoDevices.AddString(device.GetDeviceFriendlyName());
}

// Select the first device
if (mComboVideoDevices.GetCount() > 0)
{
mComboVideoDevices.SetCurSel(0);
CString deviceName;
mComboVideoDevices.GetLBText(0, deviceName);
mLiveCapture.SetVideoDevice(deviceName);
}
}

bool CAVCapDlg::ReceiveMessage(MessageT inMessage,
void * ioParam,
void * ioParam2)
{
switch (inMessage)
{
case msg_PnPDeviceAdded:
FillVideoDevices();
return true;

case msg_PnPDeviceRemoved:
FillVideoDevices();
return true;
}

return CMsgReceiver::ReceiveMessage(inMessage, ioParam, ioParam2);
}

bool CAVCapDlg::Respond(NotifyT inNotification, CMsgStation * inStation,
long inParam1, long inParam2)
{
switch (inNotification)
{
case cVideoSourceChanged: // Reset filter graph
CreateController();
return true;

case cAudioSourceChanged: // Reset filter graph
CreateController();
return true;

case cVideoConnectorChanged:
EnterVideoConnector();
return true;

case cAudioConnectorChanged:
EnterAudioConnector();
return true;

case cAudioMixLevelChanged:
EnterAudioMixLevel();
return true;

case cVideoResolutionChanged:
// Rebuild the filter graph, or preview will be disordered
if (mController)
{
mController->Deactive();
mController->Activate();
}
return true;
}

return CMsgReceiver::Respond(inNotification, inStation, inParam1, inParam2);
}

void CAVCapDlg::OnButtonAdvancedVideo()
{
if (mController)
{
CVideoSourcePage dlg;
dlg.SetLiveCapture(&amt;mLiveCapture);
dlg.SetInputFilters(mController->GetInputFilters());
dlg.DoModal();
}
}

void CAVCapDlg::OnButtonAdvancedAudio()
{
if (mController)
{
CAudioSourcePage dlg;
dlg.SetLiveCapture(&amt;mLiveCapture);
dlg.SetInputFilters(mController->GetInputFilters());
dlg.DoModal();
}
}

void CAVCapDlg::OnButtonAdvancedOutput()
{
COutputPage dlg;
dlg.SetLiveCapture(&amt;mLiveCapture);
dlg.DoModal();
}

void CAVCapDlg::EnterVideoConnector(void)
{
if (mController &amt;&amt; mController->GetInputFilters())
{
long connector = mLiveCapture.GetVideoConnector();
mController->GetInputFilters()->SetVideoConnector(connector);
}
}

void CAVCapDlg::EnterAudioConnector(void)
{
if (mController &amt;&amt; mController->GetInputFilters())
{
long connector = mLiveCapture.GetAudioConnector();
mController->GetInputFilters()->SetAudioConnector(connector);
}
}

void CAVCapDlg::EnterAudioMixLevel(void)
{
if (mController &amt;&amt; mController->GetInputFilters())
{
double level = mLiveCapture.GetAudioMixLevel();
mController->GetInputFilters()->SetAudioMixLevel(level);
}
}

// Select one audio device
void CAVCapDlg::OnSelchangeComboDeviceAudio()
{
int index = mComboAudioDevices.GetCurSel();
if (index != CB_ERR)
{
CString deviceName;
mComboAudioDevices.GetLBText(index, deviceName);
mLiveCapture.SetAudioDevice(deviceName);
}
}

// Select one video device
void CAVCapDlg::OnSelchangeComboDeviceVideo()
{
int index = mComboVideoDevices.GetCurSel();
if (index != CB_ERR)
{
CString deviceName;
mComboVideoDevices.GetLBText(index, deviceName);
mLiveCapture.SetVideoDevice(deviceName);
}
}

// Begin capture audio/video to file
void CAVCapDlg::OnButtonCapture()
{
if (mLiveCapture.GetWorkMode() == MD_Preview)
{
UpdateData(TRUE);
mLiveCapture.SetOutputFile(mOutputFile);

// From preview mode to capture mode
mLiveCapture.SetWorkMode(MD_Capture);
mButtonCapture.SetWindowText("Stop");
UpdateControls(FALSE);
}
else
{
// From capture mode to preview mode
mLiveCapture.SetWorkMode(MD_Preview);
mButtonCapture.SetWindowText("Capture");
UpdateControls(TRUE);
}

// Re-build the filter graph
CreateController();
}

// Grab the current image and save as a bitmap file
void CAVCapDlg::OnButtonGrab()
{
if (mController)
{
CTime currentTime = CTime::GetCurrentTime();
CString filename;
filename.Format(">shq>02d->02d->02d.bmp", mLiveCapture.GetGrabFolder(),
currentTime.GetHour(), currentTime.GetMinute(), currentTime.GetSecond());

if (mController->SnapshotToFile(filename))
{
AfxMessageBox("Grab to "+filename+" succeeded!");
}
else
{
AfxMessageBox("Failed to capture a frame!");
}
}
}

void CAVCapDlg::UpdateControls(BOOL inEnable)
{
mComboVideoDevices.EnableWindow(inEnable);
mComboAudioDevices.EnableWindow(inEnable);
mEditSaveFile.EnableWindow(inEnable);
mButtonGrab.EnableWindow(inEnable);
mButtonVideoSettings.EnableWindow(inEnable);
mButtonOutputSettings.EnableWindow(inEnable);
mButtonAudioSettings.EnableWindow(inEnable);
}