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windows-nt/Source/XPSP1/NT/drivers/wdm/capture/mini/bt848/vidch.cpp
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

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// $Header: G:/SwDev/WDM/Video/bt848/rcs/Vidch.cpp 1.22 1998/05/12 20:39:19 tomz Exp $
#include "vidch.h"
#include "defaults.h"
#include "fourcc.h"
#include "capmain.h"
#ifdef HAUPPAUGE
#include "HCWDebug.h"
#endif
void CheckSrbStatus( PHW_STREAM_REQUEST_BLOCK pSrb );
BOOL VideoChannel::bIsVBI()
{
PSTREAMEX pStrmEx = (PSTREAMEX)GetStrmEx( );
if ( pStrmEx->StreamNumber == STREAM_IDX_VBI )
{
return TRUE;
}
else
{
return FALSE;
}
}
BOOL VideoChannel::bIsVideo()
{
PSTREAMEX pStrmEx = (PSTREAMEX)GetStrmEx( );
if (( pStrmEx->StreamNumber == STREAM_IDX_PREVIEW ) ||
( pStrmEx->StreamNumber == STREAM_IDX_CAPTURE ))
{
return TRUE;
}
else
{
return FALSE;
}
}
/* Method: VideoChannel::SetDigitalWindow
* Purpose: Sets the output image size
* Input: r: MRect &
* Output:
*/
ErrorCode VideoChannel::SetDigitalWindow( MRect &r )
{
Trace t("VideoChannel::SetDigitalWindow()");
return Digitizer_->SetDigitalWindow( r, *OurField_ );
}
/* Method: VideoChannel::SetAnalogWindow
* Purpose: Sets the analog dimention for this stream
* Input: r: MRect &
* Output:
*/
ErrorCode VideoChannel::SetAnalogWindow( MRect &r )
{
Trace t("VideoChannel::SetAnalogWindow()");
return Digitizer_->SetAnalogWindow( r, *OurField_ );
}
/* Method: VideoChannel::OpenChannel
* Purpose: Allocates a stream from a capture chip
* Input:
* Output:
* Note: It is possible that the current implementation does not require an
* elaborate stream allocation scheme. Nonetheless it is used as number of
* streams can increase in the future and their dynamics can change
*/
ErrorCode VideoChannel::OpenChannel()
{
Trace t("VideoChannel::OpenChannel()");
// can not open twice
if ( IsOpen() == true )
return Fail;
if ( Digitizer_->AllocateStream( OurField_, Stream_ ) == Success ) {
// store information for all subsequent calls
SetPaired( false );
OurField_->SetCallback( &Caller_ );
SetInterrupt( true );
// flag the state
SetOpen();
SetDefaultQue();
return Success;
}
return Fail;
}
/* Method: VideoChannel::CloseChannel
* Purpose: Closes the channel. Makes sure everything is freed
* Input:
* Output:
*/
ErrorCode VideoChannel::CloseChannel()
{
Trace t("VideoChannel::CloseChannel()");
if ( !IsOpen() )
return Fail;
Stop( );
while( !BufQue_.IsEmpty( ) )
{
DataBuf buf = BufQue_.Get();
}
BufQue_.Flush();
while( !Requests_.IsEmpty( ) )
{
PHW_STREAM_REQUEST_BLOCK pSrb = Requests_.Get();
if ( RemoveSRB( pSrb ))
{
DebugOut((0, " RemoveSRB failed\n"));
DEBUG_BREAKPOINT();
}
}
Requests_.Flush();
SetClose();
return Success;
}
/* Method: VideoChannel::SetFormat
* Purpose:
* Input:
* Output:
*/
ErrorCode VideoChannel::SetFormat( ColFmt aFormat )
{
Trace t("VideoChannel::SetFormat()");
Digitizer_->SetPixelFormat( aFormat, *OurField_ );
return Success;
}
/* Method: VideoChannel::GetFormat
* Purpose:
* Input:
* Output:
*/
ColFmt VideoChannel::GetFormat()
{
Trace t("VideoChannel::GetFormat()");
return Digitizer_->GetPixelFormat( *OurField_ );
}
/* Method: VideoChannel::AddBuffer
* Purpose: This function adds a buffer to a queue
* Input: pNewBuffer: PVOID - pointer to a buffer to add
* Output: None
* Note: This function 'does not know' where the queue is located. It just uses
* a pointer to it.
*/
void VideoChannel::AddBuffer( PVOID pPacket )
{
Trace t("VideoChannel::AddBuffer()");
DataBuf buf( GetSRB(), pPacket );
BufQue_.Put( buf );
DebugOut((1, "AddBuf %x\n", pPacket ) );
LONGLONG *pB1 = (LONGLONG *)pPacket;
LONGLONG *pB2 = pB1 + 1;
#ifdef DEBUG
for ( UINT i = 0; i < 640; i++ ) {
#endif
*pB1 = 0xAAAAAAAA33333333;
*pB2 = 0xBBBBBBBB22222222;
#ifdef DEBUG
pB1 += 2;
pB2 += 2;
}
#endif
}
/* Method: VideoChannel::ResetCounters
* Purpose: Reset the frame info counters
* Input: None
* Output: None
*/
VOID VideoChannel::ResetCounters( )
{
ULONG StreamNumber = Stream_;
if ( StreamNumber == STREAM_IDX_VBI )
{
PKS_VBI_FRAME_INFO pSavedFrameInfo = &((PSTREAMEX)GetStrmEx())->FrameInfo.VbiFrameInfo;
pSavedFrameInfo->ExtendedHeaderSize = sizeof( KS_VBI_FRAME_INFO );
pSavedFrameInfo->PictureNumber = 0;
pSavedFrameInfo->DropCount = 0;
}
else
{
PKS_FRAME_INFO pSavedFrameInfo = &((PSTREAMEX)GetStrmEx())->FrameInfo.VideoFrameInfo;
pSavedFrameInfo->ExtendedHeaderSize = sizeof( KS_FRAME_INFO );
pSavedFrameInfo->PictureNumber = 0;
pSavedFrameInfo->DropCount = 0;
}
}
/* Method: VideoChannel::TimeStamp
* Purpose: Performs the standard buffer massaging when it's done
* Input: pSrb
* Output: None
*/
void STREAMAPI VideoChannel::TimeStamp( PHW_STREAM_REQUEST_BLOCK pSrb )
{
Trace t("VideoChannel::TimeStamp()");
PKSSTREAM_HEADER pDataPacket = pSrb->CommandData.DataBufferArray;
VideoChannel *chan = (VideoChannel *)((PSTREAMEX)pSrb->StreamObject->HwStreamExtension)->videochannel;
pDataPacket->PresentationTime.Numerator = 1;
pDataPacket->PresentationTime.Denominator = 1;
if( chan->IsVideoInfo2() )
{
pDataPacket->DataUsed = chan->GetVidHdr2()->bmiHeader.biSizeImage;
}
else
{
pDataPacket->DataUsed = chan->GetVidHdr()->bmiHeader.biSizeImage;
}
pDataPacket->Duration = chan->GetTimePerFrame();
DebugOut((1, "DataUsed = %d\n", pDataPacket->DataUsed));
// [TMZ] [!!!] - hack, timestamping seems broken
if( 0 ) {
//if( hMasterClock ) {
pDataPacket->OptionsFlags |= KSSTREAM_HEADER_OPTIONSF_DURATIONVALID;
pDataPacket->OptionsFlags |= KSSTREAM_HEADER_OPTIONSF_TIMEVALID;
//pDataPacket->OptionsFlags &= ~KSSTREAM_HEADER_OPTIONSF_TIMEVALID;
HW_TIME_CONTEXT TimeContext;
TimeContext.HwDeviceExtension = (struct _HW_DEVICE_EXTENSION *)pSrb->HwDeviceExtension;
TimeContext.HwStreamObject = pSrb->StreamObject;
TimeContext.Function = TIME_GET_STREAM_TIME;
StreamClassQueryMasterClockSync (
chan->hMasterClock,
&TimeContext
);
/*
LARGE_INTEGER Delta;
Delta.QuadPart = TimeContext.Time;
if( TimeContext.Time > (ULONGLONG) Delta.QuadPart )
{
pDataPacket->PresentationTime.Time = TimeContext.Time;
} else {
pDataPacket->PresentationTime.Time = 0;
}
*/
pDataPacket->PresentationTime.Time = TimeContext.Time;
} else {
pDataPacket->OptionsFlags &= ~KSSTREAM_HEADER_OPTIONSF_DURATIONVALID;
pDataPacket->OptionsFlags &= ~KSSTREAM_HEADER_OPTIONSF_TIMEVALID;
pDataPacket->PresentationTime.Time = 0;
}
// now gather the statistics
PKS_FRAME_INFO pSavedFrameInfo = &((PSTREAMEX)chan->GetStrmEx())->FrameInfo.VideoFrameInfo;
pSavedFrameInfo->ExtendedHeaderSize = sizeof( KS_FRAME_INFO );
pSavedFrameInfo->PictureNumber++;
pSavedFrameInfo->DropCount = 0;
PKS_FRAME_INFO pFrameInfo =
(PKS_FRAME_INFO) ( pSrb->CommandData.DataBufferArray + 1 );
// copy the information to the outbound buffer
pFrameInfo->ExtendedHeaderSize = pSavedFrameInfo->ExtendedHeaderSize;
pFrameInfo->PictureNumber = pSavedFrameInfo->PictureNumber;
pFrameInfo->DropCount = pSavedFrameInfo->DropCount;
if ( pFrameInfo->DropCount ) {
pSrb->CommandData.DataBufferArray->OptionsFlags |=
KSSTREAM_HEADER_OPTIONSF_DATADISCONTINUITY;
}
// Every frame we generate is a key frame (aka SplicePoint)
// Delta frames (B or P) should not set this flag
pDataPacket->OptionsFlags |= KSSTREAM_HEADER_OPTIONSF_SPLICEPOINT;
// make the stream class driver happy
pSrb->Status = STATUS_SUCCESS;
DebugOut((1, "*** 2 *** completing SRB %x\n", pSrb));
CheckSrbStatus( pSrb );
StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb );
DebugOut((1, "Signal SRB - %x\n", pSrb->CommandData.DataBufferArray->Data ) );
DebugOut((1, "********** NeedNotification_ = %d\n", chan->NeedNotification_ ) );
if ( chan->NeedNotification_ ) {
// queue was full; now it has at least one entry
StreamClassStreamNotification( ReadyForNextStreamDataRequest, pSrb->StreamObject );
}
}
/* Method: VideoChannel::Interrupt
* Purpose: Called by the interface class on behalf of capture chip to let know
* an interrupt happened.
* Input: pTag: PVOID, to be passed to the Digitizer_
* Output: None
*/
void VideoChannel::Interrupt( PVOID pTag, bool skipped )
{
Trace t("VideoChannel::Interrupt()");
Digitizer_->ProcessBufferAtInterrupt( pTag );
if ( skipped ) {
DebugOut((1, "VidChan::Interrupt skipped\n" ) );
return;
}
// let the class driver know we are done with this buffer
if ( !Requests_.IsEmpty() ) {
PHW_STREAM_REQUEST_BLOCK pSrb = Requests_.Get();
TimeStamp( pSrb ); // [TMZ] [!!!] [HACK]
}
}
/* Method: VideoChannel::Create
* Purpose: Creates the stream
* Input: None
* Output: None
*/
ErrorCode VideoChannel::Create()
{
Trace t("VideoChannel::Create()");
KS_VIDEOINFOHEADER* pVideoInfoHdr = NULL;
KS_VIDEOINFOHEADER2* pVideoInfoHdr2 = NULL;
DWORD biCompression;
WORD biBitCount;
LONG biWidth;
LONG biHeight;
LONG biWidthBytes;
if( IsVideoInfo2() )
{
pVideoInfoHdr2 = GetVidHdr2();
biCompression = pVideoInfoHdr2->bmiHeader.biCompression;
biBitCount = pVideoInfoHdr2->bmiHeader.biBitCount;
biWidth = pVideoInfoHdr2->bmiHeader.biWidth;
biHeight = abs(pVideoInfoHdr2->bmiHeader.biHeight);
}
else
{
pVideoInfoHdr = GetVidHdr();
biCompression = pVideoInfoHdr->bmiHeader.biCompression;
biBitCount = pVideoInfoHdr->bmiHeader.biBitCount;
biWidth = pVideoInfoHdr->bmiHeader.biWidth;
biHeight = abs(pVideoInfoHdr->bmiHeader.biHeight);
}
MRect analog( 0, 0, biWidth, biHeight );
MRect ImageRect( 0, 0, biWidth, biHeight );
DebugOut((1, "**************************************************************************\n"));
DebugOut((1, "biCompression = %d\n", biCompression));
DebugOut((1, "biBitCount = %d\n", biBitCount));
if ( pVideoInfoHdr->bmiHeader.biCompression == 3)
{
if( IsVideoInfo2() )
{
pVideoInfoHdr2->bmiHeader.biCompression = FCC_YUY2;
biCompression = FCC_YUY2;
}
else
{
pVideoInfoHdr->bmiHeader.biCompression = FCC_YUY2;
biCompression = FCC_YUY2;
}
}
ColorSpace tmp( biCompression, biBitCount );
DebugOut((1, "ColorFormat = %d\n", tmp.GetColorFormat()));
DebugOut((1, "**************************************************************************\n"));
OurField_->ResetCounters();
ResetCounters();
// verify that we are not asked to produce a smaller image
#ifdef HACK_FUDGE_RECTANGLES
if( IsVideoInfo2() )
{
if( pVideoInfoHdr2->rcTarget.bottom == 0 )
{
// [!!!] [TMZ] - hack
pVideoInfoHdr2->rcTarget.left = 0;
pVideoInfoHdr2->rcTarget.top = 0;
pVideoInfoHdr2->rcTarget.right = biWidth;
pVideoInfoHdr2->rcTarget.bottom = biHeight;
}
}
else
{
if( pVideoInfoHdr->rcTarget.bottom == 0 )
{
// [!!!] [TMZ] - hack
pVideoInfoHdr->rcTarget.left = 0;
pVideoInfoHdr->rcTarget.top = 0;
pVideoInfoHdr->rcTarget.right = biWidth;
pVideoInfoHdr->rcTarget.bottom = biHeight;
}
}
#endif
MRect dst;
MRect src;
if( IsVideoInfo2() )
{
dst.Set( pVideoInfoHdr2->rcTarget.left, pVideoInfoHdr2->rcTarget.top, pVideoInfoHdr2->rcTarget.right, pVideoInfoHdr2->rcTarget.bottom );
src.Set( pVideoInfoHdr2->rcSource.left, pVideoInfoHdr2->rcSource.top, pVideoInfoHdr2->rcSource.right, pVideoInfoHdr2->rcSource.bottom );
}
else
{
dst.Set( pVideoInfoHdr->rcTarget.left, pVideoInfoHdr->rcTarget.top, pVideoInfoHdr->rcTarget.right, pVideoInfoHdr->rcTarget.bottom );
src.Set( pVideoInfoHdr->rcSource.left, pVideoInfoHdr->rcSource.top, pVideoInfoHdr->rcSource.right, pVideoInfoHdr->rcSource.bottom );
}
if ( !dst.IsEmpty() )
{
// use the new size
ImageRect = dst;
if ( !src.IsEmpty() )
{
analog = src;
}
else
{
analog = dst;
}
// calculate the offset for the new beginning of the data
dwBufferOffset_ = dst.top * biWidth + dst.left * tmp.GetPitchBpp();
// when rcTarget is non-empty, biWidth is stride of the buffer
biWidthBytes = biWidth;
}
else
{
biWidthBytes = biWidth * tmp.GetPitchBpp() / 8;
}
if( IsVideoInfo2() )
{
DebugOut((1, "pVideoInfoHdr2->rcTarget(%d, %d, %d, %d)\n",
pVideoInfoHdr2->rcTarget.left,
pVideoInfoHdr2->rcTarget.top,
pVideoInfoHdr2->rcTarget.right,
pVideoInfoHdr2->rcTarget.bottom
));
}
else
{
DebugOut((1, "pVideoInfoHdr->rcTarget(%d, %d, %d, %d)\n",
pVideoInfoHdr->rcTarget.left,
pVideoInfoHdr->rcTarget.top,
pVideoInfoHdr->rcTarget.right,
pVideoInfoHdr->rcTarget.bottom
));
}
DebugOut((1, "dst(%d, %d, %d, %d)\n",
dst.left,
dst.top,
dst.right,
dst.bottom
));
DebugOut((1, "Pitch =%d, width = %d\n", biWidthBytes, dst.Width() ) );
SetBufPitch( biWidthBytes );
if ( SetAnalogWindow ( analog ) == Success && //<-must be set first !
SetDigitalWindow( ImageRect ) == Success &&
SetFormat( tmp.GetColorFormat() ) == Success &&
Digitizer_->Create( *OurField_ ) == Success )
{
State_ = Created;
return Success;
}
return Fail;
}
/* Method: VideoChannel::Start
* Purpose: Starts the stream
* Input: None
* Output: None
*/
void VideoChannel::Start()
{
Trace t("VideoChannel::Start()");
State_ = Started;
Digitizer_->Start( *OurField_ );
}
/* Method: VideoChannel::Stop
* Purpose: Stops the stream
* Input: None
* Output: None
*/
ErrorCode VideoChannel::Stop()
{
Trace t("VideoChannel::Stop()");
if ( !IsOpen() )
return Fail;
Digitizer_->Stop( *OurField_ );
State_ = Open;
while( !BufQue_.IsEmpty( ) )
{
DataBuf buf = BufQue_.Get();
}
BufQue_.Flush();
return Success;
}
/* Method: VideoChannel::Pause
* Purpose: Stops the stream
* Input: None
* Output: None
*/
ErrorCode VideoChannel::Pause()
{
Trace t("VideoChannel::Pause()");
Digitizer_->Pause( *OurField_ );
State_ = Paused;
OurField_->ResetCounters(); // jaybo
ResetCounters();
return Success;
}
/* Method: VideoChanIface::Notify
* Purpose: Notifies the VideoChannel that an interrupt happened
* Input: None
* Output: None
*/
void VideoChanIface::Notify( PVOID pTag, bool skipped )
{
Trace t("VideoChanIface::Notify()");
ToBeNotified_->Interrupt( pTag, skipped );
}
/* Method: VideoChannel::AddSRB
* Purpose: Adds SRB and buffer to the queues
* Input: pSrb
* Output: None
*/
void VideoChannel::AddSRB( PHW_STREAM_REQUEST_BLOCK pSrb )
{
Trace t("VideoChannel::AddSRB()");
Requests_.Put( pSrb );
SetSRB( pSrb );
PUCHAR pBufAddr = (PUCHAR)pSrb->CommandData.DataBufferArray->Data;
AddBuffer( pBufAddr + dwBufferOffset_ );
// don't forget to report our field type !
// this cast is valid for VBI FRAME as well ( see ksmedia.h )
PKS_FRAME_INFO pFrameInfo =
(PKS_FRAME_INFO) ( pSrb->CommandData.DataBufferArray + 1 );
pFrameInfo->dwFrameFlags = FieldType_;
// ask for more buffers
CheckNotificationNeed();
}
/* Method: VideoChannel::RemoveSRB
* Purpose: Removes SRB from the queue and signals it
* Input: pSrb
* Output: None
*/
bool VideoChannel::RemoveSRB( PHW_STREAM_REQUEST_BLOCK pSrb )
{
Trace t("VideoChannel::RemoveSRB()");
/*
//FGR - TODO: i guess we should see if there really is a record of this SRB
if(Requests_.IsEmpty()){
pSrb->Status = STATUS_CANCELLED;
DebugOut((1, "*** 3 *** completing SRB %x\n", pSrb));
CheckSrbStatus( pSrb );
StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb );
//StreamClassStreamNotification( ReadyForNextStreamDataRequest, pSrb->StreamObject );
return( true );
}
*/
int n = 0;
n = Requests_.GetNumOfItems();
DebugOut((1, "VideoChannel::RemoveSRB - Found %d SRBs in queue\n", n));
bool bFound = false;
// cycle through the list
// pull from the head, put to the tail
// if we find our pSrb during one cycle, pull it out
while ( n-- > 0 ) // yes it can go negative
{
PHW_STREAM_REQUEST_BLOCK pTempSrb = Requests_.Get();
if ( pTempSrb == pSrb )
{
// Pull him out
if ( bFound )
{
DebugOut((0, "Found pSrb(%x) in the queue more than once\n", pSrb));
DEBUG_BREAKPOINT();
}
else
{
bFound = true;
pSrb->Status = STATUS_CANCELLED;
DebugOut((1, "*** 4 *** completing SRB %x\n", pSrb));
CheckSrbStatus( pSrb );
StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb );
//StreamClassStreamNotification( ReadyForNextStreamDataRequest, pSrb->StreamObject );
}
n--; // warning: if this is the last, it will go negative
}
else
{
Requests_.Put( pTempSrb );
}
}
n = Requests_.GetNumOfItems();
DebugOut((1, "VideoChannel::RemoveSRB - Left %d SRBs in queue, returning %d\n", n, bFound));
/*
PHW_STREAM_REQUEST_BLOCK InQueSRB = Requests_.PeekLeft();
if ( InQueSRB == pSrb ) {
InQueSRB = Requests_.Get();
InQueSRB->Status = STATUS_CANCELLED;
DebugOut((1, "Cancel SRB -%x\n", pSrb ) );
CheckSrbStatus( pSrb );
StreamClassStreamNotification( StreamRequestComplete,
InQueSRB->StreamObject, InQueSRB );
if ( Requests_.IsEmpty() )
DebugOut((1, " queue is empty\n" ) );
else
DebugOut((1, "queue is not empty\n" ) );
return( true );
} else {
// DebugOut((1, "Cancelling wrong SRB ! - %x, %x\n", pSrb, InQueSRB ) );
//#ifdef HAUPPAUGE
// TRAP();
//#endif
// }
InQueSRB = Requests_.PeekRight();
if ( InQueSRB == pSrb ) {
InQueSRB = Requests_.GetRight();
InQueSRB->Status = STATUS_CANCELLED;
DebugOut((1, "Cancel SRB from right - %x\n", pSrb ) );
CheckSrbStatus( pSrb );
StreamClassStreamNotification( StreamRequestComplete,
pSrb->StreamObject, pSrb );
return( true );
} else {
DebugOut((0, "Cancelling wrong SRB from right too! - %x, %x\n", pSrb, InQueSRB ) );
return( false );
}
}
*/
return( bFound );
}
VideoChannel::~VideoChannel()
{
Trace t("VideoChannel::~VideoChannel()");
CloseChannel();
}
/* Method: VideoChannel::CheckNotificationNeed
* Purpose: Sees if there is room for more buffers
* Input: None
* Output: None
*/
void VideoChannel::CheckNotificationNeed()
{
Trace t("VideoChannel::CheckNotificationNeed()");
if ( !BufQue_.IsFull() ) {
// always hungry for more
StreamClassStreamNotification( ReadyForNextStreamDataRequest, pSRB_->StreamObject );
NeedNotification_ = false;
} else
NeedNotification_ = true;
}
/* Method: InterVideoChannel::Interrupt
* Purpose: Processes the interrupt for the interleaved video streams
* Input: pTag: PVOID - index in reality
* skipped: bool - indicates if buffer was written to
* Output: None
*/
void InterVideoChannel::Interrupt( PVOID pTag, bool skipped )
{
Trace t("InterVideoChannel::Interrupt()");
int idx = (int)pTag;
slave.IntNotify( PVOID( idx - ProgsWithinField ), skipped );
Parent::Interrupt( pTag, skipped );
}
/* Method: InterVideoChannel::AddSRB
* Purpose: Adds SRB to itself and dispatches 2 buffer pointers, one to each
* channel
* Input: pSRB
* Output: None
*/
void InterVideoChannel::AddSRB( PHW_STREAM_REQUEST_BLOCK pSrb )
{
Trace t("InterVideoChannel::AddSRB()");
PUCHAR pBufAddr = (PUCHAR)pSrb->CommandData.DataBufferArray->Data;
// biWidth was set in Create()
UINT biWidthBytes;
if( IsVideoInfo2() )
{
biWidthBytes = VidHeader2_.bmiHeader.biWidth / 2;
}
else
{
biWidthBytes = VidHeader_.bmiHeader.biWidth / 2;
}
// to be used when adding buffer
SetSRB( pSrb );
slave.SetSRB( pSrb );
// need to swap addresses for even/odd fields for RGB formats due to up-side-down bitmaps
ColorSpace tmp( GetFormat() );
if ( !( tmp.GetColorFormat() > CF_RGB8 && tmp.GetColorFormat() < CF_VBI ) )
{
// put buffer in its place
// and adjusted address into the other channel
slave.AddBuffer( pBufAddr + biWidthBytes );
AddBuffer( pBufAddr );
}
else
{
slave.AddBuffer( pBufAddr );
AddBuffer( pBufAddr + biWidthBytes );
}
// don't forget to add the SRB !
Requests_.Put( pSrb );
// set field type to full frame.
PKS_FRAME_INFO pFrameInfo = (PKS_FRAME_INFO)( pSrb->CommandData.DataBufferArray + 1 );
pFrameInfo->dwFrameFlags = KS_VIDEO_FLAG_FRAME;
CheckNotificationNeed();
}
/* Function: SplitFrame
* Purpose: Halfs the size of the video image so 2 fields can be used to create
* the original size
* Input: VidHdr: KS_VIDEOINFOHEADER &
* Output: None
*/
inline void SplitFrame( KS_VIDEOINFOHEADER &VidHdr )
{
Trace t("SplitFrame()");
VidHdr.bmiHeader.biHeight /= 2;
VidHdr.rcSource.top /= 2;
VidHdr.rcTarget.top /= 2;
VidHdr.rcSource.bottom /= 2;
VidHdr.rcTarget.bottom /= 2;
}
inline void SplitFrame2( KS_VIDEOINFOHEADER2 &VidHdr2 )
{
Trace t("SplitFrame()");
VidHdr2.bmiHeader.biHeight /= 2;
VidHdr2.rcSource.top /= 2;
VidHdr2.rcTarget.top /= 2;
VidHdr2.rcSource.bottom /= 2;
VidHdr2.rcTarget.bottom /= 2;
}
/* Method: InterVideoChannel::Create
* Purpose: Sets the video parameters for the slave channel and
* calls into parent to create both
* Input: None
* Output: None
*/
ErrorCode InterVideoChannel::Create()
{
Trace t("InterVideoChannel::Create()");
// slave.SetInterrupt( false );
slave.SetCallback( 0 );
// restore the original as SplitFrame mangles the parameters
MRect dst;
DWORD biCompression;
WORD biBitCount;
LONG biWidthBytes;
if( IsVideoInfo2() )
{
VidHeader2_ = OrigVidHeader2_;
// split a frame into two fields
SplitFrame2( VidHeader2_ );
// double up the pitch, so we can interleave the buffers
dst.Set( VidHeader2_.rcTarget.left, VidHeader2_.rcTarget.top, VidHeader2_.rcTarget.right, VidHeader2_.rcTarget.bottom );
biCompression = VidHeader2_.bmiHeader.biCompression;
biBitCount = VidHeader2_.bmiHeader.biBitCount;
}
else
{
VidHeader_ = OrigVidHeader_;
// split a frame into two fields
SplitFrame( VidHeader_ );
// double up the pitch, so we can interleave the buffers
dst.Set( VidHeader_.rcTarget.left, VidHeader_.rcTarget.top, VidHeader_.rcTarget.right, VidHeader_.rcTarget.bottom );
biCompression = VidHeader_.bmiHeader.biCompression;
biBitCount = VidHeader_.bmiHeader.biBitCount;
}
ColorSpace tmp( biCompression, biBitCount );
if ( !dst.IsEmpty() )
{
// biWidth is the stride in bytes
if( IsVideoInfo2() )
{
VidHeader2_.bmiHeader.biWidth *= 2 * 2;
biWidthBytes = VidHeader2_.bmiHeader.biWidth;
}
else
{
VidHeader_.bmiHeader.biWidth *= 2 * 2;
biWidthBytes = VidHeader_.bmiHeader.biWidth;
}
}
else
{
if( IsVideoInfo2() )
{
// calculate the number of bytes per scan line
biWidthBytes = tmp.GetPitchBpp() * VidHeader2_.bmiHeader.biWidth / 8;
// can it be non-aligned ??
biWidthBytes += 3;
biWidthBytes &= ~3;
// must be increased two times to interleave the fields;
biWidthBytes *= 2;
// the rcTarget uses half the original height and full width
VidHeader2_.rcTarget = MRect(
0,
0,
VidHeader2_.bmiHeader.biWidth,
abs(VidHeader2_.bmiHeader.biHeight)
);
DebugOut((1, "VidHeader2_.rcTarget(%d, %d, %d, %d)\n",
VidHeader2_.rcTarget.left,
VidHeader2_.rcTarget.top,
VidHeader2_.rcTarget.right,
VidHeader2_.rcTarget.bottom
));
// have to trick the slave into using correct ( doubled ) pitch
VidHeader2_.bmiHeader.biWidth = biWidthBytes; // this is the pitch slave uses
}
else
{
// calculate the number of bytes per scan line
biWidthBytes = tmp.GetPitchBpp() * VidHeader_.bmiHeader.biWidth / 8;
// can it be non-aligned ??
biWidthBytes += 3;
biWidthBytes &= ~3;
// must be increased two times to interleave the fields;
biWidthBytes *= 2;
// the rcTarget uses half the original height and full width
VidHeader_.rcTarget = MRect(
0,
0,
VidHeader_.bmiHeader.biWidth,
abs(VidHeader_.bmiHeader.biHeight)
);
DebugOut((1, "VidHeader_.rcTarget(%d, %d, %d, %d)\n",
VidHeader_.rcTarget.left,
VidHeader_.rcTarget.top,
VidHeader_.rcTarget.right,
VidHeader_.rcTarget.bottom
));
// have to trick the slave into using correct ( doubled ) pitch
VidHeader_.bmiHeader.biWidth = biWidthBytes; // this is the pitch slave uses
}
}
SetBufPitch( biWidthBytes );
// at this point slave will have all the members set up properly
if( IsVideoInfo2() )
{
slave.SetVidHdr2( VidHeader2_ );
}
else
{
slave.SetVidHdr( VidHeader_ );
}
slave.SetPaired( true );
// needed for full-size YUV9 and other planar modes
Digitizer_->SetPlanarAdjust( biWidthBytes / 2 );
return Parent::Create();
}
/* Method: VideoChannel::GetStreamType
* Purpose: reports back type of the stream. Used when destroying channels
*/
StreamType VideoChannel::GetStreamType()
{
Trace t("VideoChannel::GetStreamType()");
return Single;
}
/* Method: VideoChannel::TimeStampVBI
* Purpose: Performs the standard buffer massaging when it's done
* Input: pSrb
* Output: None
*/
void STREAMAPI VideoChannel::TimeStampVBI( PHW_STREAM_REQUEST_BLOCK pSrb )
{
Trace t("VideoChannel::TimeStamp()");
PKSSTREAM_HEADER pDataPacket = pSrb->CommandData.DataBufferArray;
VideoChannel *chan = (VideoChannel *)((PSTREAMEX)pSrb->StreamObject->HwStreamExtension)->videochannel;
pDataPacket->PresentationTime.Numerator = 1;
pDataPacket->PresentationTime.Denominator = 1;
if( chan->IsVideoInfo2() )
{
pDataPacket->DataUsed = chan->GetVidHdr2()->bmiHeader.biSizeImage;
}
else
{
pDataPacket->DataUsed = chan->GetVidHdr()->bmiHeader.biSizeImage;
}
pDataPacket->Duration = chan->GetTimePerFrame();
DebugOut((1, "DataUsed = %d\n", pDataPacket->DataUsed));
// [TMZ] [!!!] - hack, timestamping seems broken
if( 0 ) {
//if( hMasterClock ) {
pDataPacket->OptionsFlags |= KSSTREAM_HEADER_OPTIONSF_DURATIONVALID;
pDataPacket->OptionsFlags |= KSSTREAM_HEADER_OPTIONSF_TIMEVALID;
//pDataPacket->OptionsFlags &= ~KSSTREAM_HEADER_OPTIONSF_TIMEVALID;
HW_TIME_CONTEXT TimeContext;
TimeContext.HwDeviceExtension = (struct _HW_DEVICE_EXTENSION *)pSrb->HwDeviceExtension;
TimeContext.HwStreamObject = pSrb->StreamObject;
TimeContext.Function = TIME_GET_STREAM_TIME;
StreamClassQueryMasterClockSync (
chan->hMasterClock,
&TimeContext
);
/*
LARGE_INTEGER Delta;
Delta.QuadPart = TimeContext.Time;
if( TimeContext.Time > (ULONGLONG) Delta.QuadPart )
{
pDataPacket->PresentationTime.Time = TimeContext.Time;
} else {
pDataPacket->PresentationTime.Time = 0;
}
*/
pDataPacket->PresentationTime.Time = TimeContext.Time;
} else {
pDataPacket->OptionsFlags &= ~KSSTREAM_HEADER_OPTIONSF_DURATIONVALID;
pDataPacket->OptionsFlags &= ~KSSTREAM_HEADER_OPTIONSF_TIMEVALID;
pDataPacket->PresentationTime.Time = 0;
}
PKS_VBI_FRAME_INFO pSavedFrameInfo = &((PSTREAMEX)chan->GetStrmEx())->FrameInfo.VbiFrameInfo;
pSavedFrameInfo->ExtendedHeaderSize = sizeof( PKS_VBI_FRAME_INFO );
pSavedFrameInfo->PictureNumber++;
pSavedFrameInfo->DropCount = 0;
// now gather the statistics
PKS_VBI_FRAME_INFO pFrameInfo =
(PKS_VBI_FRAME_INFO) ( pSrb->CommandData.DataBufferArray + 1 );
// copy the information to the outbound buffer
pFrameInfo->ExtendedHeaderSize = pSavedFrameInfo->ExtendedHeaderSize;
pFrameInfo->PictureNumber = pSavedFrameInfo->PictureNumber;
pFrameInfo->DropCount = pSavedFrameInfo->DropCount;
pFrameInfo->dwSamplingFrequency = VBISampFreq; // Bug - changes with video format
if ( ((VBIChannel*)(chan))->Dirty_ ) { // propagate the tv tuner change notification
((VBIChannel*)(chan))->Dirty_ = false;
pFrameInfo->TvTunerChangeInfo = ((VBIChannel*)(chan))->TVTunerChangeInfo_;
pFrameInfo->dwFrameFlags |= KS_VBI_FLAG_TVTUNER_CHANGE;
pFrameInfo->VBIInfoHeader = ((VBIChannel*)(chan))->VBIInfoHeader_;
pFrameInfo->dwFrameFlags |= KS_VBI_FLAG_VBIINFOHEADER_CHANGE ;
} else {
pFrameInfo->dwFrameFlags &= ~KS_VBI_FLAG_TVTUNER_CHANGE;
pFrameInfo->dwFrameFlags &= ~KS_VBI_FLAG_VBIINFOHEADER_CHANGE;
}
if ( pFrameInfo->DropCount ) {
pSrb->CommandData.DataBufferArray->OptionsFlags |=
KSSTREAM_HEADER_OPTIONSF_DATADISCONTINUITY;
}
// Every frame we generate is a key frame (aka SplicePoint)
// Delta frames (B or P) should not set this flag
pDataPacket->OptionsFlags |= KSSTREAM_HEADER_OPTIONSF_SPLICEPOINT;
// make the stream class driver happy
pSrb->Status = STATUS_SUCCESS;
DebugOut((1, "*** 5 *** completing SRB %x\n", pSrb));
CheckSrbStatus( pSrb );
StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb );
DebugOut((1, "Signal SRB - %x\n", pSrb->CommandData.DataBufferArray->Data ) );
DebugOut((1, "********** NeedNotification_ = %d\n", chan->NeedNotification_ ) );
if ( chan->NeedNotification_ ) {
// queue was full; now it has at least one entry
StreamClassStreamNotification( ReadyForNextStreamDataRequest,
pSrb->StreamObject );
}
}
/* Method: VBIAlterChannel::Interrupt
* Purpose: Processes the interrupt for the VBI channel
*/
void VBIChannel::Interrupt( PVOID pTag, bool skipped )
{
Trace t("VBIChannel::Interrupt()");
if ( Requests_.IsEmpty( ) )
{
DebugOut((1, "VBI interrupt, but Requests_ is empty\n"));
return;
}
// save the SRB for further processing ( it is gone from the qu in the Parent::Interrupt
PHW_STREAM_REQUEST_BLOCK pSrb = Requests_.PeekLeft();
// Parent::Interrupt( pTag, skipped );
{
Digitizer_->ProcessBufferAtInterrupt( pTag );
if ( skipped ) {
DebugOut((1, "VidChan::Interrupt skipped\n" ) );
return;
}
// let the class driver know we are done with this buffer
if ( !Requests_.IsEmpty() ) {
PHW_STREAM_REQUEST_BLOCK pTimeSrb = Requests_.Get();
TimeStampVBI( pTimeSrb ); // [TMZ] [!!!]
}
}
}
/* Method: VBIChannel::ChangeNotification
* Purpose: Called to save off the tv tuner change notification
* Input: pSrb
*/
void VBIChannel::ChangeNotification( PHW_STREAM_REQUEST_BLOCK pSrb )
{
Trace t("VBIChannel::ChangeNotification()");
const KSSTREAM_HEADER &DataPacket = *pSrb->CommandData.DataBufferArray;
RtlCopyMemory( &TVTunerChangeInfo_, DataPacket.Data, sizeof( KS_TVTUNER_CHANGE_INFO ) );
Dirty_ = true;
}
/* Method: VideoChannel::ChangeNotification
* Purpose: Noop for the base class.
*/
void VideoChannel::ChangeNotification( PHW_STREAM_REQUEST_BLOCK )
{
Trace t("VideoChannel::ChangeNotification()");
}
/* Method: VBIAlterChannel::SetVidHdr
* Purpose: Transforms the VBI parameters ( size ) into regular video header
* Input:
*/
void VBIAlterChannel::SetVidHdr( const KS_DATAFORMAT_VBIINFOHEADER &df )
{
Trace t("VBIAlterChannel::SetVidHdr()");
// save for the history ( for the interrupt, actually )
SetVBIInfHdr( df.VBIInfoHeader );
(*(VBIChannel*)&slave).SetVBIInfHdr( df.VBIInfoHeader );
KS_VIDEOINFOHEADER VidInfHdr;
RtlZeroMemory( &VidInfHdr, sizeof( VidInfHdr ) );
// create a regular video info header
VidInfHdr.bmiHeader.biWidth = VBISamples;
VidInfHdr.bmiHeader.biHeight =
df.VBIInfoHeader.EndLine - df.VBIInfoHeader.StartLine + 1; // inclusive
// taken from the VBI GUID
VidInfHdr.bmiHeader.biCompression = FCC_VBI;
VidInfHdr.bmiHeader.biBitCount = 8;
// this is very important too
VidInfHdr.bmiHeader.biSizeImage =
VidInfHdr.bmiHeader.biWidth * VidInfHdr.bmiHeader.biHeight;
// now handle the case when stride is larger than width ( have to set the
// target rectangle )
if ( df.VBIInfoHeader.StrideInBytes > VBISamples ) {
VidInfHdr.rcTarget.right = df.VBIInfoHeader.StrideInBytes;
VidInfHdr.rcTarget.bottom = VidInfHdr.bmiHeader.biHeight;
}
// the Parent::Create will take care of setting vid header for the slave
Parent::SetVidHdr( VidInfHdr );
}
//??? TODO: -- is this needed?
void VBIAlterChannel::SetVidHdr2( const KS_DATAFORMAT_VBIINFOHEADER &df )
{
Trace t("VBIAlterChannel::SetVidHdr2()");
// save for the history ( for the interrupt, actually )
SetVBIInfHdr( df.VBIInfoHeader );
KS_VIDEOINFOHEADER2 VidInfHdr;
RtlZeroMemory( &VidInfHdr, sizeof( VidInfHdr ) );
// create a regular video info header
VidInfHdr.bmiHeader.biWidth = VBISamples;
VidInfHdr.bmiHeader.biHeight =
df.VBIInfoHeader.EndLine - df.VBIInfoHeader.StartLine + 1; // inclusive
// taken from the VBI GUID
VidInfHdr.bmiHeader.biCompression = FCC_VBI;
VidInfHdr.bmiHeader.biBitCount = 8;
// this is very important too
VidInfHdr.bmiHeader.biSizeImage =
VidInfHdr.bmiHeader.biWidth * VidInfHdr.bmiHeader.biHeight;
// now handle the case when stride is larger than width ( have to set the
// target rectangle )
if ( df.VBIInfoHeader.StrideInBytes > VBISamples ) {
VidInfHdr.rcTarget.right = df.VBIInfoHeader.StrideInBytes;
VidInfHdr.rcTarget.bottom = VidInfHdr.bmiHeader.biHeight;
}
// the Parent::Create will take care of setting vid header for the slave
Parent::SetVidHdr2( VidInfHdr );
}
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