Leaked source code of windows server 2003
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456 lines
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#include "precomp.h"
extern HANDLE g_hVidEventHalfDuplex;
///////////////////////////////////////////////////////
//
// Public methods
//
VideoInControl::VideoInControl ( void )
{
}
VideoInControl::~VideoInControl ( void )
{
}
VideoOutControl::VideoOutControl ( void )
{
}
VideoOutControl::~VideoOutControl ( void )
{
}
HRESULT VideoInControl::Initialize ( MEDIACTRLINIT * p )
{
HRESULT hr = DPR_SUCCESS;
DEBUGMSG (ZONE_VERBOSE, ("VideoInControl::Initialize: enter.\r\n"));
m_dwFlags = p->dwFlags;
m_hEvent = NULL;
m_uDuration = MC_DEF_DURATION;
m_uTimeout = MC_DEF_RECORD_TIMEOUT;
m_uPrefeed = MC_DEF_RECORD_BUFS;
//Request the max, and let QOS throttle us back
m_FPSRequested = m_FPSMax = 2997;
DEBUGMSG (ZONE_VERBOSE, ("VideoInControl::Initialize: exit, hr=0x%lX\r\n", hr));
return hr;
}
HRESULT VideoOutControl::Initialize ( MEDIACTRLINIT * p )
{
HRESULT hr = DPR_SUCCESS;
DEBUGMSG (ZONE_VERBOSE, ("VideoOutControl::Initialize: enter.\r\n"));
if ((hr =MediaControl::Initialize( p)) != DPR_SUCCESS)
return hr;
m_uTimeout = MC_DEF_PLAY_TIMEOUT;
m_uPrefeed = MC_DEF_PLAY_BUFS;
DEBUGMSG (ZONE_VERBOSE, ("VideoOutControl::Initialize: exit, hr=0x%lX\r\n", hr));
return hr;
}
HRESULT VideoInControl::Configure ( MEDIACTRLCONFIG * p )
{
UINT uBlockAlign;
DEBUGMSG (ZONE_VERBOSE, ("VideoInControl::Configure: enter.\r\n"));
m_hStrm = p->hStrm;
m_uDevId = p->uDevId;
m_pDevFmt = p->pDevFmt;
if (m_pDevFmt == NULL) return DPR_INVALID_PARAMETER;
if ((m_uDuration = p->uDuration) == MC_USING_DEFAULT)
{
m_cbSizeDevData = ((VIDEOFORMATEX *) m_pDevFmt)->nAvgBytesPerSec * p->cbSamplesPerPkt
/((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec;
m_uDuration = p->cbSamplesPerPkt*1000 /((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec;
} else {
// roughly calculate the buffer size based on 20ms
m_cbSizeDevData = ((VIDEOFORMATEX *) m_pDevFmt)->nAvgBytesPerSec
* m_uDuration / 1000;
// need to be on the block alignment boundary
uBlockAlign = ((VIDEOFORMATEX *) m_pDevFmt)->nBlockAlign;
m_cbSizeDevData = ((m_cbSizeDevData + uBlockAlign - 1) / uBlockAlign)
* uBlockAlign;
}
// at configuration we set the max. frame rate
if (m_uDuration)
m_FPSMax = 100000 / m_uDuration; // convert msec/frame to fps
m_FPSRequested = ((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec * 100;
DEBUGMSG (ZONE_VERBOSE, ("VideoInControl::Configure: exit\r\n"));
return DPR_SUCCESS;
}
HRESULT VideoOutControl::Configure ( MEDIACTRLCONFIG * p )
{
UINT uBlockAlign;
DEBUGMSG (ZONE_VERBOSE, ("VideoOutControl::Configure: enter.\r\n"));
m_hStrm = p->hStrm;
m_uDevId = p->uDevId;
m_pDevFmt = p->pDevFmt;
if (m_pDevFmt == NULL) return DPR_INVALID_PARAMETER;
if ((m_uDuration = p->uDuration) == MC_USING_DEFAULT)
{
m_cbSizeDevData = ((VIDEOFORMATEX *) m_pDevFmt)->nAvgBytesPerSec * p->cbSamplesPerPkt
/((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec;
m_uDuration = p->cbSamplesPerPkt*1000 /((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec;
} else {
// roughly calculate the buffer size based on 20ms
m_cbSizeDevData = ((VIDEOFORMATEX *) m_pDevFmt)->nAvgBytesPerSec
* m_uDuration / 1000;
// need to be on the block alignment boundary
uBlockAlign = ((VIDEOFORMATEX *) m_pDevFmt)->nBlockAlign;
m_cbSizeDevData = ((m_cbSizeDevData + uBlockAlign - 1) / uBlockAlign)
* uBlockAlign;
}
DEBUGMSG (ZONE_VERBOSE, ("VideoOutControl::Configure: exit\r\n"));
return DPR_SUCCESS;
}
HRESULT VideoInControl::Open ( void )
{
HRESULT hr;
FINDCAPTUREDEVICE fcd;
HFRAMEBUF hbuf;
DWORD dwSize, i;
LPBITMAPINFOHEADER lpbi;
int iWidth, iHeight;
char szName[MAX_PATH];
fcd.dwSize = sizeof (FINDCAPTUREDEVICE);
if (m_uDevId == -1)
FindFirstCaptureDevice(&fcd, NULL);
else
{
if (!FindFirstCaptureDeviceByIndex(&fcd, m_uDevId))
{
// Update m_uDevId with new device index
if (FindFirstCaptureDevice(&fcd, NULL))
m_uDevId = fcd.nDeviceIndex;
}
}
#ifndef NO_QCCOLOR_HACK
if (fcd.szDeviceName[0] && lstrcmpi(fcd.szDeviceName, "qccolor.drv") == 0) {
// this hack clears out the [conf] section of qccolor.ini to prevent problems in
// setformat when the driver initializes to an unknown format that is recorded in
// the ini file.
dwSize = GetModuleFileName(NULL, szName, sizeof(szName));
for (i = dwSize-1; i; i--)
if (szName[i] == '\\' || szName[i] == ':')
break;
i++;
MoveMemory (szName, &szName[i], dwSize-i+1);
dwSize -= i;
for (i = dwSize-1; i; i--)
if (szName[i] == '.') {
szName[i] = 0;
break;
}
dwSize = 0;
WritePrivateProfileSection(szName, (LPCTSTR)&dwSize, "QCCOLOR.INI");
}
#endif
if (!(m_hDev = (DPHANDLE)OpenCaptureDevice(fcd.nDeviceIndex)) && m_uDevId != -1) {
DEBUGMSG (1, ("MediaVidCtrl::Open: OpenCaptureDevice failed, trying VIDEO_MAPPER\r\n" ));
FindFirstCaptureDevice(&fcd, NULL);
if (m_hDev = (DPHANDLE)OpenCaptureDevice(fcd.nDeviceIndex))
m_uDevId = (UINT) -1; // use VIDEO_MAPPER next time
}
if (m_hDev) {
hr = DPR_SUCCESS;
} else {
DEBUGMSG (1, ("MediaVidCtrl::Open: OpenCaptureDevice failed\r\n" ));
hr = DPR_CANT_OPEN_DEV;
}
return hr;
}
HRESULT VideoOutControl::Open ( void )
{
return DPR_SUCCESS;
}
HRESULT VideoInControl::Close ( void )
{
HRESULT hr = DPR_INVALID_PLATFORM;
if (m_hDev)
{
CloseCaptureDevice((HCAPDEV)m_hDev);
hr = DPR_SUCCESS;
}
else
{
hr = DPR_INVALID_HANDLE;
}
m_hDev = NULL;
return hr;
}
HRESULT VideoOutControl::Close ( void )
{
return DPR_SUCCESS;
}
HRESULT VideoInControl::Start ( void )
{
return DPR_SUCCESS;
}
HRESULT VideoOutControl::Start ( void )
{
return DPR_SUCCESS;
}
HRESULT VideoInControl::Stop ( void )
{
return DPR_SUCCESS;
}
HRESULT VideoOutControl::Stop ( void )
{
return DPR_INVALID_PARAMETER;
}
HRESULT VideoInControl::Reset ( void )
{
return VideoInControl::Stop();
}
HRESULT VideoOutControl::Reset ( void )
{
return DPR_SUCCESS;
}
HRESULT VideoInControl::DisplayDriverDialog (HWND hwnd, DWORD dwDlgId)
{
HRESULT hr = DPR_SUCCESS;
DWORD dwRes;
PDWORD pdwMask;
if (m_hDev) {
if (dwDlgId & CAPTURE_DIALOG_SOURCE)
dwDlgId = CAPDEV_DIALOG_SOURCE;
else
dwDlgId = CAPDEV_DIALOG_IMAGE;
#if 1
if (!CaptureDeviceDialog(m_hDev, hwnd, dwDlgId, NULL)) {
#else
if (!CaptureDeviceDialog(m_hDev, hwnd, dwDlgId, &((VIDEOFORMATEX *)m_pDevFmt)->bih)) {
#endif
dwRes = GetLastError();
if (dwRes == ERROR_DCAP_DIALOG_FORMAT || dwRes == ERROR_DCAP_DIALOG_STREAM) {
DEBUGMSG (1, ("MediaVidCtrl::Open: CaptureDeviceDialog failed\r\n" ));
hr = DPR_CONVERSION_FAILED; // user did something in the dialog that caused a problem
}
else
hr = DPR_INVALID_PARAMETER;
}
}
else
hr = DPR_INVALID_HANDLE;
return hr;
}
HRESULT VideoInControl::SetProp ( DWORD dwPropId, DWORD_PTR dwPropVal )
{
HRESULT hr = DPR_SUCCESS;
UINT ms;
switch (dwPropId)
{
case MC_PROP_TIMEOUT:
m_uTimeout = (DWORD)dwPropVal;
break;
case MC_PROP_PREFEED:
m_uPrefeed = (DWORD)dwPropVal;
break;
case MC_PROP_VIDEO_FRAME_RATE:
case MC_PROP_MAX_VIDEO_FRAME_RATE:
break;
default:
hr = MediaControl::SetProp(dwPropId, dwPropVal );
break;
}
return hr;
}
HRESULT VideoOutControl::SetProp ( DWORD dwPropId, DWORD_PTR dwPropVal )
{
HRESULT hr = DPR_SUCCESS;
switch (dwPropId)
{
case MC_PROP_TIMEOUT:
m_uTimeout = (DWORD)dwPropVal;
break;
case MC_PROP_PREFEED:
m_uPrefeed = (DWORD)dwPropVal;
break;
default:
hr = MediaControl::SetProp(dwPropId, dwPropVal );
break;
}
return hr;
}
HRESULT VideoInControl::GetProp ( DWORD dwPropId, PDWORD_PTR pdwPropVal )
{
HRESULT hr = DPR_SUCCESS;
DWORD dwMask;
if (pdwPropVal)
{
switch (dwPropId)
{
case MC_PROP_TIMEOUT:
*pdwPropVal = m_uTimeout;
break;
case MC_PROP_PREFEED:
*pdwPropVal = m_uPrefeed;
break;
case MC_PROP_SPP:
// *pdwPropVal = (DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec
// * m_uDuration / 100UL;
*pdwPropVal = m_cbSizeDevData * (DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec
/(DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nAvgBytesPerSec;
break;
case MC_PROP_SPS:
*pdwPropVal = (DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec;
break;
case MC_PROP_VIDEO_FRAME_RATE:
case MC_PROP_MAX_VIDEO_FRAME_RATE:
break;
case MC_PROP_VFW_DIALOGS:
*pdwPropVal = 0;
if (vcmGetDevCapsDialogs(m_uDevId, &dwMask) == (MMRESULT)MMSYSERR_NOERROR) {
if (dwMask & SOURCE_DLG_ON)
*pdwPropVal = CAPTURE_DIALOG_SOURCE;
if (dwMask & FORMAT_DLG_ON)
*pdwPropVal |= CAPTURE_DIALOG_FORMAT;
}
break;
default:
hr = MediaControl::GetProp( dwPropId, pdwPropVal );
break;
}
}
else
{
hr = DPR_INVALID_PARAMETER;
}
return hr;
}
HRESULT VideoOutControl::GetProp ( DWORD dwPropId, PDWORD_PTR pdwPropVal )
{
HRESULT hr = DPR_SUCCESS;
if (pdwPropVal)
{
switch (dwPropId)
{
case MC_PROP_TIMEOUT:
*pdwPropVal = m_uTimeout;
break;
case MC_PROP_PREFEED:
*pdwPropVal = m_uPrefeed;
break;
case MC_PROP_SPP:
// *pdwPropVal = (DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec
// * m_uDuration / 100UL;
*pdwPropVal = m_cbSizeDevData * (DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec
/(DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nAvgBytesPerSec;
break;
case MC_PROP_SPS:
*pdwPropVal = (DWORD) ((VIDEOFORMATEX *) m_pDevFmt)->nSamplesPerSec;
default:
hr = MediaControl::GetProp( dwPropId, pdwPropVal );
break;
}
}
else
{
hr = DPR_INVALID_PARAMETER;
}
return hr;
}