Leaked source code of windows server 2003
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//==========================================================================;
//
// CWDMVideoPortStream - Video Port Stream class implementation
//
// $Date: 05 Aug 1998 11:11:22 $
// $Revision: 1.0 $
// $Author: Tashjian $
//
// $Copyright: (c) 1997 - 1998 ATI Technologies Inc. All Rights Reserved. $
//
//==========================================================================;
extern "C"
{
#include "strmini.h"
#include "ksmedia.h"
}
#include "wdmvdec.h"
#include "wdmdrv.h"
#include "aticonfg.h"
#include "capdebug.h"
CWDMVideoPortStream::CWDMVideoPortStream(PHW_STREAM_OBJECT pStreamObject,
CWDMVideoDecoder * pVideoDecoder,
PUINT puiErrorCode)
: CWDMVideoStream(pStreamObject, pVideoDecoder, puiErrorCode)
{
DBGTRACE(("CWDMVideoPortStream::CWDMVideoPortStream()\n"));
int StreamNumber = pStreamObject->StreamNumber;
if (StreamNumber == STREAM_VPVideo)
{
}
else if (StreamNumber == STREAM_VPVBI)
{
}
*puiErrorCode = WDMMINI_NOERROR;
}
CWDMVideoPortStream::~CWDMVideoPortStream()
{
DBGTRACE(("CWDMVideoPortStream::~CWDMVideoPortStream()\n"));
if (m_Registered)
{
m_pVideoPort->UnregisterForDirectDrawEvents( this);
}
}
VOID STREAMAPI CWDMVideoPortStream::VideoReceiveDataPacket(IN PHW_STREAM_REQUEST_BLOCK pSrb)
{
DBGERROR(("Unexpected data packet on non VP stream.\n"));
ASSERT(0);
}
/*
** VideoSetProperty()
**
** Routine to process video property requests
**
** Arguments:
**
** pSrb - pointer to the stream request block for properties
**
** Returns:
**
** Side Effects: none
*/
VOID CWDMVideoPortStream::VideoSetProperty(PHW_STREAM_REQUEST_BLOCK pSrb)
{
PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
if (IsEqualGUID (KSPROPSETID_VPConfig, pSPD->Property->Set)) {
SetVideoPortProperty (pSrb);
}
else if (IsEqualGUID (KSPROPSETID_VPVBIConfig, pSPD->Property->Set)) {
SetVideoPortVBIProperty (pSrb);
}
else {
pSrb->Status = STATUS_NOT_IMPLEMENTED;
}
}
/*
** VideoGetProperty()
**
** Routine to process video property requests
**
** Arguments:
**
** pSrb - pointer to the stream request block for properties
**
** Returns:
**
** Side Effects: none
*/
VOID CWDMVideoPortStream::VideoGetProperty(PHW_STREAM_REQUEST_BLOCK pSrb)
{
PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
if (IsEqualGUID (KSPROPSETID_Connection, pSPD->Property->Set)) {
VideoStreamGetConnectionProperty (pSrb);
}
else if (IsEqualGUID (KSPROPSETID_VPConfig, pSPD->Property->Set)) {
m_pDevice->GetVideoPortProperty (pSrb);
}
else if (IsEqualGUID (KSPROPSETID_VPVBIConfig, pSPD->Property->Set)) {
m_pDevice->GetVideoPortVBIProperty (pSrb);
}
else {
pSrb->Status = STATUS_NOT_IMPLEMENTED;
}
}
/*
** VideoSetState()
**
** Sets the current state of the requested stream
**
** Arguments:
**
** pSrb - pointer to the stream request block for properties
**
** Returns:
**
** Side Effects: none
*/
VOID CWDMVideoPortStream::VideoSetState(PHW_STREAM_REQUEST_BLOCK pSrb, BOOL bVPConnected, BOOL bVPVBIConnected)
{
//
// For each stream, the following states are used:
//
// Stop: Absolute minimum resources are used. No outstanding IRPs.
// Pause: Getting ready to run. Allocate needed resources so that
// the eventual transition to Run is as fast as possible.
// SRBs will be queued at either the Stream class or in your
// driver.
// Run: Streaming.
//
// Moving to Stop or Run ALWAYS transitions through Pause, so that ONLY
// the following transitions are possible:
//
// Stop -> Pause
// Pause -> Run
// Run -> Pause
// Pause -> Stop
//
// Note that it is quite possible to transition repeatedly between states:
// Stop -> Pause -> Stop -> Pause -> Run -> Pause -> Run -> Pause -> Stop
//
DBGINFO(("CWDMVideoPortStream::VideoSetState for stream %d\n", pSrb->StreamObject->StreamNumber));
pSrb->Status = STATUS_SUCCESS;
switch (pSrb->CommandData.StreamState)
{
case KSSTATE_STOP:
DBGINFO((" state KSSTATE_STOP"));
m_pDevice->SetOutputEnabled(FALSE);
// Reset the overridden flag so that the next time we go to the
// Run state, output will be enabled (unless the app overrides
// it again later). We should really do this after the graph
// has been stopped so that if a filter that has yet to be stopped
// cleans up by clearing the flag, it is not considered to be
// overriding it again. Since we are not called after the graph
// has been fully stopped, this is the best we can do.
//
// An alternative (and probably less confusing) approach is to
// leave the overridden flag set and force the app to control
// the output enabled feature if it changes it once.
//
// We have decided to follow the latter approach.
// m_pDevice->SetOutputEnabledOverridden(FALSE);
break;
case KSSTATE_ACQUIRE:
DBGINFO((" state KSSTATE_ACQUIRE"));
ASSERT(m_KSState == KSSTATE_STOP);
break;
case KSSTATE_PAUSE:
DBGINFO((" state KSSTATE_PAUSE"));
if (m_pVideoDecoder->PreEventOccurred() &&
(!m_pDevice->IsOutputEnabledOverridden() || m_pDevice->IsOutputEnabled()) &&
(m_KSState == KSSTATE_STOP || m_KSState == KSSTATE_ACQUIRE))
{
DBGERROR(("VpStrm Pause: Overridden = %d, OutputEnabled = %d",
m_pDevice->IsOutputEnabledOverridden(),
m_pDevice->IsOutputEnabled()
));
pSrb->Status = STATUS_UNSUCCESSFUL;
}
break;
case KSSTATE_RUN:
DBGINFO((" state KSSTATE_RUN"));
ASSERT(m_KSState == KSSTATE_ACQUIRE || m_KSState == KSSTATE_PAUSE);
if (m_pVideoDecoder->PreEventOccurred() &&
(!m_pDevice->IsOutputEnabledOverridden() ||
m_pDevice->IsOutputEnabled()))
{
DBGERROR(("VpStrm Run: Overridden = %d, OutputEnabled = %d",
m_pDevice->IsOutputEnabledOverridden(),
m_pDevice->IsOutputEnabled()
));
pSrb->Status = STATUS_UNSUCCESSFUL;
}
else if (!m_pDevice->IsOutputEnabledOverridden())
m_pDevice->SetOutputEnabled(TRUE);
break;
}
if (pSrb->Status == STATUS_SUCCESS) {
m_KSState = pSrb->CommandData.StreamState;
DBGINFO((" entered\n"));
}
else
DBGINFO((" NOT entered ***\n"));
}
VOID CWDMVideoPortStream::SetVideoPortProperty(PHW_STREAM_REQUEST_BLOCK pSrb)
{
PSTREAM_PROPERTY_DESCRIPTOR pSpd = pSrb->CommandData.PropertyInfo;
ULONG Id = pSpd->Property->Id; // index of the property
ULONG nS = pSpd->PropertyOutputSize; // size of data supplied
pSrb->Status = STATUS_SUCCESS;
ASSERT (m_pDevice != NULL);
switch (Id)
{
case KSPROPERTY_VPCONFIG_DDRAWHANDLE:
ASSERT (nS >= sizeof(ULONG_PTR));
if (!m_pVideoPort->ConfigDirectDrawHandle(*(PULONG_PTR)pSpd->PropertyInfo)) {
pSrb->Status = STATUS_UNSUCCESSFUL;
break;
}
if (!m_Registered) {
m_Registered = m_pVideoPort->RegisterForDirectDrawEvents(this);
if (!m_Registered) {
pSrb->Status = STATUS_UNSUCCESSFUL;
break;
}
}
break;
case KSPROPERTY_VPCONFIG_VIDEOPORTID:
ASSERT (nS >= sizeof(ULONG));
if (!m_pVideoPort->ConfigVideoPortHandle(*(PULONG)pSpd->PropertyInfo)) {
pSrb->Status = STATUS_UNSUCCESSFUL;
}
break;
case KSPROPERTY_VPCONFIG_DDRAWSURFACEHANDLE:
ASSERT (nS >= sizeof(ULONG_PTR));
{
// This sample does not use the surface kernel handles,
// but the validation is as follows.
ULONG_PTR cHandles = *(PULONG_PTR)pSpd->PropertyInfo;
if (nS != (cHandles + 1) * sizeof(ULONG_PTR)) {
pSrb->Status = STATUS_INVALID_BUFFER_SIZE;
break;
}
m_pVideoDecoder->ResetEvents();
}
break;
case KSPROPERTY_VPCONFIG_SETCONNECTINFO :
ASSERT (nS >= sizeof(ULONG));
{
// Indexes are correlated to the implementation of KSPROPERTY_VPCONFIG_GETCONNECTINFO
ULONG Index = *(PULONG)pSpd->PropertyInfo;
switch (Index)
{
case 0:
m_pDevice->Set16BitDataStream(FALSE);
break;
#ifdef BT829_SUPPORT_16BIT
case 1:
m_pDevice->Set16BitDataStream(TRUE);
break;
#endif
default:
pSrb->Status = STATUS_INVALID_PARAMETER;
}
}
break;
case KSPROPERTY_VPCONFIG_INVERTPOLARITY :
m_pDevice->SetHighOdd(!m_pDevice->IsHighOdd());
break;
case KSPROPERTY_VPCONFIG_SETVIDEOFORMAT :
ASSERT (nS >= sizeof(ULONG));
//
// pSrb->CommandData.PropertInfo->PropertyInfo
// points to a ULONG which is an index into the array of
// VIDEOFORMAT structs returned to the caller from the
// Get call to FORMATINFO
//
// Since the sample only supports one FORMAT type right
// now, we will ensure that the requested index is 0.
//
switch (*(PULONG)pSrb->CommandData.PropertyInfo->PropertyInfo)
{
case 0:
//
// at this point, we would program the hardware to use
// the right connection information for the videoport.
// since we are only supporting one connection, we don't
// need to do anything, so we will just indicate success
//
break;
default:
pSrb->Status = STATUS_NO_MATCH;
break;
}
break;
case KSPROPERTY_VPCONFIG_INFORMVPINPUT:
ASSERT (nS >= sizeof(DDPIXELFORMAT));
// This would be supported if we wanted to be informed of the available formats
pSrb->Status = STATUS_NOT_IMPLEMENTED;
break;
case KSPROPERTY_VPCONFIG_SCALEFACTOR :
ASSERT (nS >= sizeof(KS_AMVPSIZE));
{
PKS_AMVPSIZE pAMVPSize;
pAMVPSize = (PKS_AMVPSIZE)(pSrb->CommandData.PropertyInfo->PropertyInfo);
MRect t(0, 0, pAMVPSize->dwWidth, pAMVPSize->dwHeight);
m_pDevice->SetRect(t);
}
break;
case KSPROPERTY_VPCONFIG_SURFACEPARAMS :
ASSERT(nS >= sizeof(KSVPSURFACEPARAMS));
m_pDevice->ConfigVPSurfaceParams((PKSVPSURFACEPARAMS)pSpd->PropertyInfo);
break;
default:
TRAP();
pSrb->Status = STATUS_NOT_IMPLEMENTED;
break;
}
}
VOID CWDMVideoPortStream::SetVideoPortVBIProperty(PHW_STREAM_REQUEST_BLOCK pSrb)
{
PSTREAM_PROPERTY_DESCRIPTOR pSpd = pSrb->CommandData.PropertyInfo;
ULONG Id = pSpd->Property->Id; // index of the property
ULONG nS = pSpd->PropertyOutputSize; // size of data supplied
pSrb->Status = STATUS_SUCCESS;
ASSERT (m_pDevice != NULL);
switch (Id)
{
case KSPROPERTY_VPCONFIG_DDRAWHANDLE:
ASSERT (nS >= sizeof(ULONG_PTR));
if (!m_pVideoPort->ConfigDirectDrawHandle(*(PULONG_PTR)pSpd->PropertyInfo)) {
pSrb->Status = STATUS_UNSUCCESSFUL;
break;
}
if (!m_Registered) {
m_Registered = m_pVideoPort->RegisterForDirectDrawEvents(this);
if (!m_Registered) {
pSrb->Status = STATUS_UNSUCCESSFUL;
break;
}
}
break;
case KSPROPERTY_VPCONFIG_VIDEOPORTID:
ASSERT (nS >= sizeof(ULONG));
if (!m_pVideoPort->ConfigVideoPortHandle(*(PULONG)pSpd->PropertyInfo)) {
pSrb->Status = STATUS_UNSUCCESSFUL;
}
break;
case KSPROPERTY_VPCONFIG_DDRAWSURFACEHANDLE:
ASSERT (nS >= sizeof(ULONG_PTR));
{
// This sample does not use the surface kernel handles,
// but the validation is as follows.
ULONG_PTR cHandles = *(PULONG_PTR)pSpd->PropertyInfo;
if (nS != (cHandles + 1) * sizeof(ULONG_PTR)) {
pSrb->Status = STATUS_INVALID_BUFFER_SIZE;
break;
}
m_pVideoDecoder->ResetEvents();
}
break;
case KSPROPERTY_VPCONFIG_SETCONNECTINFO :
ASSERT (nS >= sizeof(ULONG));
{
// Indexes are correlated to the implementation of KSPROPERTY_VPCONFIG_GETCONNECTINFO
ULONG Index = *(PULONG)pSpd->PropertyInfo;
switch (Index)
{
case 0:
m_pDevice->Set16BitDataStream(FALSE);
break;
#ifdef BT829_SUPPORT_16BIT
case 1:
m_pDevice->Set16BitDataStream(TRUE);
break;
#endif
default:
pSrb->Status = STATUS_INVALID_PARAMETER;
}
}
break;
case KSPROPERTY_VPCONFIG_INVERTPOLARITY :
m_pDevice->SetHighOdd(!m_pDevice->IsHighOdd());
break;
case KSPROPERTY_VPCONFIG_SETVIDEOFORMAT :
ASSERT (nS >= sizeof(ULONG));
//
// pSrb->CommandData.PropertInfo->PropertyInfo
// points to a ULONG which is an index into the array of
// VIDEOFORMAT structs returned to the caller from the
// Get call to FORMATINFO
//
// Since the sample only supports one FORMAT type right
// now, we will ensure that the requested index is 0.
//
switch (*(PULONG)pSrb->CommandData.PropertyInfo->PropertyInfo)
{
case 0:
//
// at this point, we would program the hardware to use
// the right connection information for the videoport.
// since we are only supporting one connection, we don't
// need to do anything, so we will just indicate success
//
break;
default:
pSrb->Status = STATUS_NO_MATCH;
break;
}
break;
case KSPROPERTY_VPCONFIG_INFORMVPINPUT:
ASSERT (nS >= sizeof(DDPIXELFORMAT));
// This would be supported if we wanted to be informed of the available formats
pSrb->Status = STATUS_NOT_IMPLEMENTED;
break;
case KSPROPERTY_VPCONFIG_SCALEFACTOR :
ASSERT (nS >= sizeof(KS_AMVPSIZE));
// TBD
pSrb->Status = STATUS_NOT_IMPLEMENTED;
break;
case KSPROPERTY_VPCONFIG_SURFACEPARAMS :
ASSERT(nS >= sizeof(KSVPSURFACEPARAMS));
m_pDevice->ConfigVPVBISurfaceParams((PKSVPSURFACEPARAMS)pSpd->PropertyInfo);
break;
default:
TRAP();
pSrb->Status = STATUS_NOT_IMPLEMENTED;
break;
}
}
VOID CWDMVideoPortStream::PreResChange()
{
DBGTRACE(("DDNOTIFY_PRERESCHANGE; stream = %d\n", m_pStreamObject->StreamNumber));
m_pVideoDecoder->SetPreEvent();
}
VOID CWDMVideoPortStream::PostResChange()
{
DBGTRACE(("DDNOTIFY_POSTRESCHANGE; stream = %d\n", m_pStreamObject->StreamNumber));
m_pVideoDecoder->SetPostEvent();
DBGTRACE(("Before Attempted Renegotiation due to DDNOTIFY_POSTRESCHANGE\n"));
AttemptRenegotiation();
DBGTRACE(("Afer Attempted Renegotiation due to DDNOTIFY_POSTRESCHANGE\n"));
}
VOID CWDMVideoPortStream::PreDosBox()
{
DBGTRACE(("DDNOTIFY_PREDOSBOX; stream = %d\n", m_pStreamObject->StreamNumber));
m_pVideoDecoder->SetPreEvent();
}
VOID CWDMVideoPortStream::PostDosBox()
{
DBGTRACE(("DDNOTIFY_POSTDOSBOX; stream = %d\n", m_pStreamObject->StreamNumber));
m_pVideoDecoder->SetPostEvent();
DBGTRACE(("Before Attempted Renegotiation due to DDNOTIFY_POSTDOSBOX\n"));
AttemptRenegotiation();
DBGTRACE(("After Attempted Renegotiation due to DDNOTIFY_POSTDOSBOX\n"));
}
NTSTATUS STREAMAPI VPStreamEventProc (PHW_EVENT_DESCRIPTOR pEvent)
{
CWDMVideoPortStream* pstrm=(CWDMVideoPortStream*)pEvent->StreamObject->HwStreamExtension;
pstrm->StreamEventProc(pEvent);
return STATUS_SUCCESS;
}
NTSTATUS STREAMAPI VPVBIStreamEventProc (PHW_EVENT_DESCRIPTOR pEvent)
{
CWDMVideoPortStream* pstrm=(CWDMVideoPortStream*)pEvent->StreamObject->HwStreamExtension;
pstrm->StreamEventProc(pEvent);
return STATUS_SUCCESS;
}