serverdlg.cpp

采用DirecShow通过网络传输实现远程视频动态播放,

// ServerDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Server.h"
#include "ServerDlg.h"
#include "CMediaInfo.h"
#include "GlobalDefs.h"
#include "CServerSocket.h"
#include "UFilterUtils.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg dialog

CServerDlg::CServerDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CServerDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CServerDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	mSliderTimer=0;
	mGraph=NULL;
	mMediaControl=NULL;
	mFile=NULL;
	mSplitter=NULL;
	mSeeking=NULL;
	mState=STOP;

	mInfinitePin=NULL;
	mTempInfinitePin=NULL;
	mAudioInfinitePin=NULL;

	mVideoDecom=NULL;
	mAudioDecom=NULL;

	mVideoRenderer=NULL;
	mAudioRenderer=NULL;

	mVideoSender=NULL;
	mAudioSender=NULL;
}

void CServerDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CServerDlg)
	DDX_Control(pDX, IDC_PROGRESS, mProgress);
	DDX_Control(pDX, IDC_VIDEOWINDOW, mVideoWnd);
	DDX_Control(pDX, IDC_LIST_PROGRAM, mProgramListCtrl);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CServerDlg, CDialog)
	//{{AFX_MSG_MAP(CServerDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_ADD, OnBtnAdd)
	ON_BN_CLICKED(IDC_BTN_DELETE, OnBtnDelete)
	ON_MESSAGE(WM_ModifyFilterGraph, OnModifyFilterGraph)
	ON_WM_DESTROY()
	ON_WM_TIMER()
	ON_WM_HSCROLL()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CServerDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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);
	mProgramListCtrl.SetExtendedStyle(LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES);
	mProgramListCtrl.InsertColumn(0, "File", LVCFMT_CENTER, 120);
	mProgramListCtrl.InsertColumn(1, "Type", LVCFMT_CENTER, 80);
	mProgramListCtrl.InsertColumn(2, "Size", LVCFMT_CENTER, 80);
	mProgramListCtrl.InsertColumn(3, "PID", LVCFMT_CENTER, 60);// Set small icon
	
	// TODO: Add extra initialization here
	mControll.AddMsgReceiver(this);
	BOOL pass=mControll.Create();
	if(pass)
	{
		pass=mControll.StartListening();
		if(!pass)
		{
			MessageBox("Fail to create controll listener");
		}
	}
	mVideo.SetListenPort(SERVER_VIDEO_PORT);
    pass=mVideo.Create();
	if(pass)
	{
		pass=mVideo.StartListening();
		if(!pass)
		{
			MessageBox("Fail to create video listener");
		}
	}
	mAudio.SetListenPort(SERVER_AUDIO_PORT);
    pass=mAudio.Create();
	if(pass)
	{
		pass=mAudio.StartListening();
		if(!pass)
		{
			MessageBox("Fail to create audio listener");
		}
	}
	mProgress.SetRange(0,1000);
	mProgress.SetPos(0);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CServerDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CServerDlg::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(&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 CServerDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CServerDlg::OnBtnAdd() 
{

	CMediaInfo   media;
	BOOL	isSourceOK = FALSE;
	CString strFilter  = "AVI Files (*.avi)|*.avi|";
	strFilter += "MPEG Files (*.mpg;*.mpeg)|*.mpg;*.mpeg|";
	strFilter += "REAL Files (*.rm;*rmvb)|*.rm;*rmvb|";
	strFilter += "All Files (*.*)|*.*|";
	CFileDialog dlg(TRUE, NULL, NULL, OFN_HIDEREADONLY, strFilter, NULL);
	if (IDOK == dlg.DoModal()) 
	{
		isSourceOK = media.SetFilePath(dlg.GetPathName());
	}
	if (isSourceOK)
	{
		int count = mProgramListCtrl.GetItemCount();
		mProgramListCtrl.InsertItem(count, media.mFilePath);
		CString str;
		switch (media.mFileType)
		{
		case FT_MPEG1:
			str = "MPEG1";
			break;
		case FT_MPEG2:
			str = "MPEG2";
			break;
		case FT_AVI:
			str = "AVI";
			break;
		case FT_OGG:
			str = "OGG";
			break;
		case FT_MP3:
			str = "MP3";
			break;
		case FT_REAL:
			str = "REAL";
			break;
		default:
			str = "Unknown";
			break;
		}
		mProgramListCtrl.SetItemText(count, 1, str);
		str.Format("%.3fM", media.mFileSize / 1024. / 1024.);
		mProgramListCtrl.SetItemText(count, 2, str);
		media.SetProgramId(mPin);
		mPin++;
		str.Format("%d", media.mProgramId);
		mProgramListCtrl.SetItemText(count, 3, str);

		mPrgrmList.AddTail(media);
	
	}
}

void CServerDlg::OnBtnDelete() 
{
	int index = mProgramListCtrl.GetNextItem(-1, LVNI_SELECTED);
	if (index >= 0)
	{
		CString filename = mProgramListCtrl.GetItemText(index, 0);

		POSITION pos = mPrgrmList.GetHeadPosition();
		while (pos)
		{
			POSITION previous = pos;
			CMediaInfo media  = mPrgrmList.GetNext(pos);
			if (filename.CompareNoCase(media.mFilePath) == 0)
			{
				mPrgrmList.RemoveAt(previous);
				break;
			}
		}

		mProgramListCtrl.DeleteItem(index);
	}	
}
bool CServerDlg::ReceiveMessage(MessageT inMessage, 
								   void * ioParam,
								   void * ioParam2)
{
	if (inMessage == msg_CommandReceived)
	{
		ProcessCommand(ioParam);
	
		return true;
	}
	else if(inMessage==msg_NewSocketAccepted)
	{
		mControll.StartReceiving();
	}

	return CMsgReceiver::ReceiveMessage(inMessage, ioParam, ioParam2);
}
void CServerDlg::ProcessCommand(void * inCommand)
{
	long * pCmd = (long *) inCommand;
	switch (ntohl(*pCmd))
	{
	case Cmd_RequestTCPDisconnect:
		{	
			mControll.DeleteAccepted();
		}
		break;
	case Cmd_RequestProgramList:  
		SendProgramList();
		break;
	case Cmd_RequestPlay:
		{
			{
				pCmd++;
				Media_Control * pData = (Media_Control *) pCmd;
				pData->my_ntoh();
				POSITION pos = mPrgrmList.GetHeadPosition();
				while (pos)
				{
					CMediaInfo info = mPrgrmList.GetNext(pos);
					if (info.mProgramId == pData->program_id)
					{
						mPlayingMedia=info;
						Deactivate();
						PostMessage(WM_ModifyFilterGraph,TRUE);
						break;
					}
				}
			}
		}
		break;
	case Cmd_RequestPause:
		{
			
			if(mMediaControl)
			{
				mMediaControl->Pause();
				mState=PAUSE;
			}

		}
		break;
	case Cmd_RequestResume:
		{
			if(mMediaControl)
			{
				mMediaControl->Run();
				mState=PLAY;
			}
		}
		break;
	
	case Cmd_SetProgress:
		{
			pCmd++;
			Media_Progress * pData = (Media_Progress *) pCmd;
			pData->my_ntoh();
			mProgress.SetPos(pData->program_Progress);
			double duration=1;
			GetDuration(&duration);
			double pos =duration*mProgress.GetPos()/1000.;
			SetCurrentPosition(pos);
		}
		break;
	case Cmd_RequestStop:

		Deactivate();
		break;
	default:
		break;
	}
}
void CServerDlg::SendProgramList(void)
{		
	char buffer[MAX_COMMAND_SIZE];
	long   len  = sizeof(Net_Command) + sizeof(Program_List);
	long * pCmd = (long *) buffer;
	*pCmd = Cmd_ProgramList;
	*pCmd = htonl(*pCmd);
	pCmd++;
	Program_List * pData = (Program_List *) pCmd;
	POSITION pos = mPrgrmList.GetHeadPosition();
	while (pos)
	{
		CMediaInfo info = mPrgrmList.GetNext(pos);
		info.CopyTo(pData);
		pData->my_hton();
		mControll.Send(buffer, len);
	}
}
LRESULT CServerDlg::OnModifyFilterGraph(WPARAM inWParam, LPARAM inLParam)
{
		if (inWParam)  
		{		
			Activate();
		}
		else
		{
			Deactivate();			
		}

	return 0;
}

BOOL CServerDlg::Activate()
{
	Deactivate();

	BOOL pass=CreateGraph();
	if(pass)
	{
		if(mPlayingMedia.mFileType==FT_AVI)
			pass=CreateAVIFilters();
		else if(mPlayingMedia.mFileType==FT_REAL)
			pass=CreateREALFilters();
		else if(mPlayingMedia.mFileType==FT_OGG)
			pass=CreateOGGFilters();
		else if(mPlayingMedia.mFileType==FT_MPEG1)
			pass=CreateMPEGFilters();
	}
	if(pass)
	{
		pass=AfterBuildGraph();
	}
	if(!pass)
	{
		SendSimpleCommand(Cmd_Error);
		Deactivate();
	}
	return pass;
}

BOOL CServerDlg::CreateGraph()
{
	if (!mGraph)
	{