void CHdmvSub::EnqueuePresentationSegment(REFERENCE_TIME rt)
{
if (m_pCurrentPresentationSegment) {
if (m_pCurrentPresentationSegment->objectCount > 0) {
m_pCurrentPresentationSegment->rtStop = rt;
m_pCurrentPresentationSegment->CLUT = m_CLUTs[m_pCurrentPresentationSegment->CLUT.id];
// Get the objects' data
POSITION pos = m_pCurrentPresentationSegment->objects.GetHeadPosition();
while (pos) {
CompositionObject* pObject = m_pCurrentPresentationSegment->objects.GetNext(pos);
CompositionObject& pObjectData = m_compositionObjects[pObject->m_object_id_ref];
pObject->m_width = pObjectData.m_width;
pObject->m_height = pObjectData.m_height;
pObject->SetRLEData(pObjectData.GetRLEData(), pObjectData.GetRLEDataSize(), pObjectData.GetRLEDataSize());
}
m_pPresentationSegments.AddTail(m_pCurrentPresentationSegment);
TRACE_HDMVSUB( (_T("CHdmvSub: Enqueue Presentation Segment %d - %lS => %lS\n"), m_pCurrentPresentationSegment->composition_descriptor.nNumber,
ReftimeToCString(m_pCurrentPresentationSegment->rtStart), ReftimeToCString(m_pCurrentPresentationSegment->rtStop)) );
} else {
TRACE_HDMVSUB( (_T("CHdmvSub: Delete empty Presentation Segment %d\n"), m_pCurrentPresentationSegment->composition_descriptor.nNumber) );
delete m_pCurrentPresentationSegment;
}
m_pCurrentPresentationSegment = NULL;
}
}
void CHdmvSub::ParseObject(CGolombBuffer* pGBuffer, USHORT nUnitSize)
{
SHORT object_id = pGBuffer->ReadShort();
if (object_id > _countof(m_ParsedObjects)) {
TRACE_HDMVSUB(_T("CHdmvSub::ParseObject() : FAILED, object_id = %d\n"), object_id);
return;
}
CompositionObject &pObject = m_ParsedObjects[object_id];
pObject.m_version_number = pGBuffer->ReadByte();
BYTE m_sequence_desc = pGBuffer->ReadByte();
if (m_sequence_desc & 0x80) {
DWORD object_data_length = (DWORD)pGBuffer->BitRead(24);
pObject.m_width = pGBuffer->ReadShort();
pObject.m_height = pGBuffer->ReadShort();
pObject.SetRLEData(pGBuffer->GetBufferPos(), nUnitSize-11, object_data_length-4);
TRACE_HDMVSUB(_T("CHdmvSub::ParseObject() : NewObject - size = %ld, version = %d, total obj = %d, size = %dx%d\n"),
object_data_length,
pObject.m_version_number,
m_pObjects.GetCount(),
pObject.m_width, pObject.m_height);
} else {
pObject.AppendRLEData(pGBuffer->GetBufferPos(), nUnitSize-4);
}
}
void CHdmvSub::Render(SubPicDesc& spd, REFERENCE_TIME rt, RECT& bbox)
{
HDMV_PRESENTATION_SEGMENT* pPresentationSegment = FindPresentationSegment(rt);
bbox.left = LONG_MAX;
bbox.top = LONG_MAX;
bbox.right = 0;
bbox.bottom = 0;
if (pPresentationSegment) {
POSITION pos = pPresentationSegment->objects.GetHeadPosition();
TRACE_HDMVSUB(_T("CHdmvSub:Render Presentation segment %d --> %s - %s\n"), pPresentationSegment->composition_descriptor.nNumber,
ReftimeToString(pPresentationSegment->rtStart), ReftimeToString(pPresentationSegment->rtStop));
while (pos) {
CompositionObject* pObject = pPresentationSegment->objects.GetNext(pos);
if (pObject->GetRLEDataSize() && pObject->m_width > 0 && pObject->m_height > 0
&& spd.w >= (pObject->m_horizontal_position + pObject->m_width) && spd.h >= (pObject->m_vertical_position + pObject->m_height)) {
pObject->SetPalette(pPresentationSegment->CLUT.size, pPresentationSegment->CLUT.palette, pPresentationSegment->video_descriptor.nVideoWidth > 720);
bbox.left = min(pObject->m_horizontal_position, bbox.left);
bbox.top = min(pObject->m_vertical_position, bbox.top);
bbox.right = max(pObject->m_horizontal_position + pObject->m_width, bbox.right);
bbox.bottom = max(pObject->m_vertical_position + pObject->m_height, bbox.bottom);
TRACE_HDMVSUB(_T(" --> Object %d (Res=%dx%d, SPDRes=%dx%d)\n"), pObject->m_object_id_ref, pObject->m_width, pObject->m_height, spd.w, spd.h);
pObject->RenderHdmv(spd);
} else {
TRACE_HDMVSUB(_T(" --> Invalid object %d\n"), pObject->m_object_id_ref);
}
}
}
}
void CHdmvSub::Render(SubPicDesc& spd, REFERENCE_TIME rt, RECT& bbox)
{
HDMV_PRESENTATION_SEGMENT* pPresentationSegment = FindPresentationSegment(rt);
bbox.left = LONG_MAX;
bbox.top = LONG_MAX;
bbox.right = 0;
bbox.bottom = 0;
if (pPresentationSegment) {
POSITION pos = pPresentationSegment->objects.GetHeadPosition();
TRACE_HDMVSUB( (_T("CHdmvSub:Render Presentation segment %d --> %lS - %lS\n"), pPresentationSegment->composition_descriptor.nNumber,
ReftimeToCString(pPresentationSegment->rtStart), ReftimeToCString(pPresentationSegment->rtStop)) );
while (pos) {
CompositionObject* pObject = pPresentationSegment->objects.GetNext(pos);
if (pObject->GetRLEDataSize() && pObject->m_width > 0 && pObject->m_height > 0
&& spd.w >= (pObject->m_horizontal_position + pObject->m_width)
&& spd.h >= (pObject->m_vertical_position + pObject->m_height))
{
CompositionObject::ColorType color_type = m_colorTypeSetting;
if (color_type==CompositionObject::NONE)
{
color_type = pPresentationSegment->video_descriptor.nVideoWidth > 720 ?
CompositionObject::YUV_Rec709 : CompositionObject::YUV_Rec601;
}
pObject->SetPalette(pPresentationSegment->CLUT.size, pPresentationSegment->CLUT.palette, color_type,
m_yuvRangeSetting==CompositionObject::RANGE_NONE ? CompositionObject::RANGE_TV : m_yuvRangeSetting);
bbox.left = min(pObject->m_horizontal_position, bbox.left);
bbox.top = min(pObject->m_vertical_position, bbox.top);
bbox.right = max(pObject->m_horizontal_position + pObject->m_width, bbox.right);
bbox.bottom = max(pObject->m_vertical_position + pObject->m_height, bbox.bottom);
ASSERT(spd.h>=0);
bbox.left = bbox.left > 0 ? bbox.left : 0;
bbox.top = bbox.top > 0 ? bbox.top : 0;
bbox.right = bbox.right < spd.w ? bbox.right : spd.w;
bbox.bottom = bbox.bottom < spd.h ? bbox.bottom : spd.h;
pObject->InitColor(spd);
TRACE_HDMVSUB( (_T(" --> Object %d (Pos=%dx%d, Res=%dx%d, SPDRes=%dx%d)\n"),
pObject->m_object_id_ref, pObject->m_horizontal_position, pObject->m_vertical_position, pObject->m_width, pObject->m_height, spd.w, spd.h) );
pObject->RenderHdmv(spd);
} else {
TRACE_HDMVSUB( (_T(" --> Invalid object %d\n"), pObject->m_object_id_ref) );
}
}
}
}
int CHdmvSub::ParsePresentationSegment(CGolombBuffer* pGBuffer)
{
COMPOSITION_DESCRIPTOR CompositionDescriptor;
BYTE nObjectNumber;
//bool palette_update_flag;
//BYTE palette_id_ref;
ParseVideoDescriptor(pGBuffer, &m_VideoDescriptor);
ParseCompositionDescriptor(pGBuffer, &CompositionDescriptor);
pGBuffer->ReadByte(); //palette_update_flag = !!(pGBuffer->ReadByte() & 0x80);
pGBuffer->ReadByte(); //palette_id_ref = pGBuffer->ReadByte();
nObjectNumber = pGBuffer->ReadByte();
TRACE_HDMVSUB( "CHdmvSub::ParsePresentationSegment Size = %d, nObjectNumber = %d\n", pGBuffer->GetSize(), nObjectNumber);
if (nObjectNumber > 0) {
delete m_pCurrentObject;
m_pCurrentObject = DNew CompositionObject();
m_pCurrentObject->m_nObjectNumber = nObjectNumber;
for (int i=0; i<nObjectNumber; i++) {
ParseCompositionObject (pGBuffer, m_pCurrentObject);
}
}
return nObjectNumber;
}
void CHdmvSub::ParseObject(CGolombBuffer* pGBuffer, USHORT nUnitSize) // #498
{
SHORT object_id = pGBuffer->ReadShort();
UNUSED_ALWAYS(object_id);
BYTE m_sequence_desc;
ASSERT (m_pCurrentObject != NULL);
if (m_pCurrentObject) { // && m_pCurrentObject->m_object_id_ref == object_id)
m_pCurrentObject->m_version_number = pGBuffer->ReadByte();
m_sequence_desc = pGBuffer->ReadByte();
if (m_sequence_desc & 0x80) {
DWORD object_data_length = (DWORD)pGBuffer->BitRead(24);
m_pCurrentObject->m_width = pGBuffer->ReadShort();
m_pCurrentObject->m_height = pGBuffer->ReadShort();
m_pCurrentObject->SetRLEData (pGBuffer->GetBufferPos(), nUnitSize-11, object_data_length-4);
TRACE_HDMVSUB ("CHdmvSub:NewObject size=%ld, total obj=%d, %dx%d\n", object_data_length, m_pObjects.GetCount(),
m_pCurrentObject->m_width, m_pCurrentObject->m_height);
} else {
m_pCurrentObject->AppendRLEData (pGBuffer->GetBufferPos(), nUnitSize-4);
}
}
}
void CHdmvSub::RemoveOldSegments(REFERENCE_TIME rt)
{
// Cleanup the old presentation segments. We keep a 2 min buffer to play nice with the queue.
while (!m_pPresentationSegments.IsEmpty() && m_pPresentationSegments.GetHead()->rtStop + 120 * 10000000i64 < rt) {
HDMV_PRESENTATION_SEGMENT* pPresentationSegment = m_pPresentationSegments.RemoveHead();
TRACE_HDMVSUB(_T("CHdmvSub::RemoveOldSegments Remove presentation segment %d %s => %s (rt=%s)\n"),
pPresentationSegment->composition_descriptor.nNumber,
ReftimeToString(pPresentationSegment->rtStart), ReftimeToString(pPresentationSegment->rtStop), ReftimeToString(rt));
delete pPresentationSegment;
}
}
void CHdmvSub::CleanOld(REFERENCE_TIME rt)
{
CompositionObject* pObject_old;
while (!m_pObjects.IsEmpty()) {
pObject_old = m_pObjects.GetHead();
if (pObject_old->m_rtStop < rt) {
TRACE_HDMVSUB(_T("CHdmvSub:HDMV remove object, size = %d, %s => %s, (rt = %s)\n"), pObject_old->GetRLEDataSize(),
ReftimeToString (pObject_old->m_rtStart), ReftimeToString(pObject_old->m_rtStop),
ReftimeToString(rt));
m_pObjects.RemoveHead();
delete pObject_old;
} else {
break;
}
}
}
POSITION CHdmvSub::GetStartPosition(REFERENCE_TIME rt, double fps /* = 0*/)
{
HDMV_PRESENTATION_SEGMENT* pPresentationSegment;
// Cleanup old PG
while (m_pPresentationSegments.GetCount() > 0) {
pPresentationSegment = m_pPresentationSegments.GetHead();
if (pPresentationSegment->rtStop < rt) {
TRACE_HDMVSUB( (_T("CHdmvSub:HDMV Remove Presentation segment %d %lS => %lS (rt=%lS)\n"), pPresentationSegment->composition_descriptor.nNumber,
ReftimeToString(pPresentationSegment->rtStart), ReftimeToString(pPresentationSegment->rtStop), ReftimeToString(rt)) );
m_pPresentationSegments.RemoveHead();
delete pPresentationSegment;
} else {
break;
}
}
// log first 2 objects
// {
// POSITION pos = m_pPresentationSegments.GetHeadPosition();
// for (int i=0;i<2 && pos!=NULL; i++)
// {
// CompositionObject* pObject = m_pPresentationSegments.GetNext(pos);
// TRACE_HDMVSUB( (_T("CHdmvSub:HDMV cur %d object %d %lS => %lS\n"), i, pObject->GetRLEDataSize(),
// ReftimeToCString (pObject->m_rtStart), ReftimeToCString(pObject->m_rtStop)));
// }
// }
POSITION pos = m_pPresentationSegments.GetHeadPosition();
while (pos) {
HDMV_PRESENTATION_SEGMENT* pPresentationSegment = m_pPresentationSegments.GetAt (pos);
if (rt >= pPresentationSegment->rtStart && rt < pPresentationSegment->rtStop) {
break;
}
else if( rt < pPresentationSegment->rtStart )
{
pos = NULL;
break;
}
m_pPresentationSegments.GetNext(pos);
}
return pos;
}
POSITION CHdmvSub::GetStartPosition(REFERENCE_TIME rt, double fps)
{
CompositionObject* pObject;
// Cleanup old PG
while (m_pObjects.GetCount()>0) {
pObject = m_pObjects.GetHead();
if (pObject->m_rtStop < rt) {
TRACE_HDMVSUB ("CHdmvSub:HDMV remove object %d %S => %S (rt=%S)\n", pObject->GetRLEDataSize(),
ReftimeToString (pObject->m_rtStart), ReftimeToString(pObject->m_rtStop), ReftimeToString(rt));
m_pObjects.RemoveHead();
delete pObject;
} else {
break;
}
}
return m_pObjects.GetHeadPosition();
}
POSITION CHdmvSub::GetStartPosition(REFERENCE_TIME rt, double fps)
{
HDMV_PRESENTATION_SEGMENT* pPresentationSegment;
// Cleanup old PG
while (m_pPresentationSegments.GetCount() > 0) {
pPresentationSegment = m_pPresentationSegments.GetHead();
if (pPresentationSegment->rtStop < rt) {
TRACE_HDMVSUB(_T("CHdmvSub:HDMV Remove Presentation segment %d %s => %s (rt=%s)\n"), pPresentationSegment->composition_descriptor.nNumber,
ReftimeToString(pPresentationSegment->rtStart), ReftimeToString(pPresentationSegment->rtStop), ReftimeToString(rt));
m_pPresentationSegments.RemoveHead();
delete pPresentationSegment;
} else {
break;
}
}
return m_pPresentationSegments.GetHeadPosition();
}
void CHdmvSub::Render(SubPicDesc& spd, REFERENCE_TIME rt, RECT& bbox)
{
CompositionObject* pObject = FindObject (rt);
ASSERT (pObject!=NULL && spd.w >= pObject->m_width && spd.h >= pObject->m_height);
if (pObject && spd.w >= pObject->m_width && spd.h >= pObject->m_height) {
if (!pObject->HavePalette()) {
pObject->SetPalette (m_nDefaultPaletteNbEntry, m_pDefaultPalette, m_VideoDescriptor.nVideoWidth>720);
}
TRACE_HDMVSUB ("CHdmvSub:Render size=%ld, ObjRes=%dx%d, SPDRes=%dx%d\n", pObject->GetRLEDataSize(),
pObject->m_width, pObject->m_height, spd.w, spd.h);
pObject->RenderHdmv(spd);
bbox.left = 0;
bbox.top = 0;
bbox.right = bbox.left + pObject->m_width;
bbox.bottom = bbox.top + pObject->m_height;
}
}
void CHdmvSub::ParseCompositionObject(CGolombBuffer* pGBuffer, CompositionObject* pCompositionObject)
{
pCompositionObject->m_object_id_ref = pGBuffer->ReadShort();
pCompositionObject->m_window_id_ref = (SHORT)pGBuffer->ReadByte();
BYTE bTemp = pGBuffer->ReadByte();
pCompositionObject->m_object_cropped_flag = !!(bTemp & 0x80);
pCompositionObject->m_forced_on_flag = !!(bTemp & 0x40);
pCompositionObject->m_horizontal_position = pGBuffer->ReadShort();
pCompositionObject->m_vertical_position = pGBuffer->ReadShort();
if (pCompositionObject->m_object_cropped_flag) {
pCompositionObject->m_cropping_horizontal_position = pGBuffer->ReadShort();
pCompositionObject->m_cropping_vertical_position = pGBuffer->ReadShort();
pCompositionObject->m_cropping_width = pGBuffer->ReadShort();
pCompositionObject->m_cropping_height = pGBuffer->ReadShort();
}
TRACE_HDMVSUB(_T("CHdmvSub::ParseCompositionObject() : m_object_id_ref = %d, m_window_id_ref = %d, pos = %d:%d\n"),
pCompositionObject->m_object_id_ref, pCompositionObject->m_window_id_ref,
pCompositionObject->m_horizontal_position, pCompositionObject->m_vertical_position);
}
void CHdmvSub::ParseObject(CGolombBuffer* pGBuffer, unsigned short nUnitSize) // #498
{
short object_id = pGBuffer->ReadShort();
ASSERT(object_id < _countof(m_compositionObjects));
CompositionObject& pObject = m_compositionObjects[object_id];
pObject.m_version_number = pGBuffer->ReadByte();
BYTE m_sequence_desc = pGBuffer->ReadByte();
if (m_sequence_desc & 0x80) {
DWORD object_data_length = (DWORD)pGBuffer->BitRead(24);
pObject.m_width = pGBuffer->ReadShort();
pObject.m_height = pGBuffer->ReadShort();
pObject.SetRLEData(pGBuffer->GetBufferPos(), nUnitSize - 11, object_data_length - 4);
TRACE_HDMVSUB( (_T("CHdmvSub:ParseObject %d (size=%ld, %dx%d)\n"), object_id, object_data_length, pObject.m_width, pObject.m_height) );
} else {
pObject.AppendRLEData(pGBuffer->GetBufferPos(), nUnitSize - 4);
}
}
int CHdmvSub::ParsePresentationSegment(REFERENCE_TIME rt, CGolombBuffer* pGBuffer)
{
m_pCurrentPresentationSegment = DEBUG_NEW HDMV_PRESENTATION_SEGMENT();
m_pCurrentPresentationSegment->rtStart = rt;
m_pCurrentPresentationSegment->rtStop = _I64_MAX;
ParseVideoDescriptor(pGBuffer, &m_pCurrentPresentationSegment->video_descriptor);
ParseCompositionDescriptor(pGBuffer, &m_pCurrentPresentationSegment->composition_descriptor);
m_pCurrentPresentationSegment->palette_update_flag = !!(pGBuffer->ReadByte() & 0x80);
m_pCurrentPresentationSegment->CLUT.id = pGBuffer->ReadByte();
m_pCurrentPresentationSegment->objectCount = pGBuffer->ReadByte();
TRACE_HDMVSUB( (_T("CHdmvSub::ParsePresentationSegment Size = %d, state = %#x, nObjectNumber = %d\n"), pGBuffer->GetSize(),
m_pCurrentPresentationSegment->composition_descriptor.bState, m_pCurrentPresentationSegment->objectCount) );
for (int i = 0; i < m_pCurrentPresentationSegment->objectCount; i++) {
CompositionObject* pCompositionObject = DEBUG_NEW CompositionObject();
ParseCompositionObject(pGBuffer, pCompositionObject);
m_pCurrentPresentationSegment->objects.AddTail(pCompositionObject);
}
return m_pCurrentPresentationSegment->objectCount;
}
HRESULT CHdmvSub::ParseSample(BYTE* pData, int lSampleLen, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
{
HRESULT hr = S_OK;
if (pData) {
CGolombBuffer SampleBuffer (pData, lSampleLen);
while (!SampleBuffer.IsEOF()) {
if (m_nCurSegment == NO_SEGMENT) {
HDMV_SEGMENT_TYPE nSegType = (HDMV_SEGMENT_TYPE)SampleBuffer.ReadByte();
USHORT nUnitSize = SampleBuffer.ReadShort();
lSampleLen -=3;
switch (nSegType) {
case PALETTE :
case OBJECT :
case PRESENTATION_SEG :
case END_OF_DISPLAY :
m_nCurSegment = nSegType;
AllocSegment(nUnitSize);
break;
case WINDOW_DEF :
case INTERACTIVE_SEG :
case HDMV_SUB1 :
case HDMV_SUB2 :
// Ignored stuff...
SampleBuffer.SkipBytes(nUnitSize);
break;
default :
return VFW_E_SAMPLE_REJECTED;
}
}
if (m_nCurSegment != NO_SEGMENT) {
if (m_nSegBufferPos < m_nSegSize) {
int nSize = min(m_nSegSize - m_nSegBufferPos, lSampleLen);
SampleBuffer.ReadBuffer(m_pSegBuffer + m_nSegBufferPos, nSize);
m_nSegBufferPos += nSize;
}
if (m_nSegBufferPos >= m_nSegSize) {
CGolombBuffer SegmentBuffer(m_pSegBuffer, m_nSegSize);
switch (m_nCurSegment) {
case PALETTE :
TRACE_HDMVSUB(_T("CHdmvSub::ParseSample() : PALETTE\n"));
ParsePalette(&SegmentBuffer, m_nSegSize);
break;
case OBJECT :
TRACE_HDMVSUB(_T("CHdmvSub::ParseSample() : OBJECT\n"));
ParseObject(&SegmentBuffer, m_nSegSize);
break;
case PRESENTATION_SEG :
TRACE_HDMVSUB(_T("CHdmvSub::ParseSample() : PRESENTATION_SEG = [%10I64d], %s, size = %d\n"), rtStart, ReftimeToString(rtStart), m_nSegSize);
ParsePresentationSegment(&SegmentBuffer, rtStart);
break;
case WINDOW_DEF :
//TRACE_HDMVSUB(_T("CHdmvSub::ParseSample() : WINDOW_DEF = %10I64d, %S\n"), rtStart, ReftimeToString(rtStart));
break;
case END_OF_DISPLAY :
//TRACE_HDMVSUB(_T("CHdmvSub::ParseSample() : END_OF_DISPLAY = %10I64d, %S\n"), rtStart, ReftimeToString(rtStart));
break;
default :
TRACE_HDMVSUB(_T("CHdmvSub::ParseSample() : UNKNOWN Seg [%d] = [%10I64d], %s\n"), m_nCurSegment, rtStart, ReftimeToString(rtStart));
}
m_nCurSegment = NO_SEGMENT;
}
}
}
}
return hr;
}
HRESULT CHdmvSub::ParseSample(BYTE* pData, int lSampleLen, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
{
HRESULT hr = S_OK;
if (pData) {
CGolombBuffer SampleBuffer(pData, lSampleLen);
while (!SampleBuffer.IsEOF()) {
if (m_nCurSegment == NO_SEGMENT) {
HDMV_SEGMENT_TYPE nSegType = (HDMV_SEGMENT_TYPE)SampleBuffer.ReadByte();
unsigned short nUnitSize = SampleBuffer.ReadShort();
lSampleLen -= 3;
switch (nSegType) {
case PALETTE:
case OBJECT:
case PRESENTATION_SEG:
case END_OF_DISPLAY:
m_nCurSegment = nSegType;
AllocSegment(nUnitSize);
break;
case WINDOW_DEF:
case INTERACTIVE_SEG:
case HDMV_SUB1:
case HDMV_SUB2:
// Ignored stuff...
SampleBuffer.SkipBytes(nUnitSize);
break;
default:
return VFW_E_SAMPLE_REJECTED;
}
}
if (m_nCurSegment != NO_SEGMENT) {
if (m_nSegBufferPos < m_nSegSize) {
int nSize = min(m_nSegSize - m_nSegBufferPos, lSampleLen);
SampleBuffer.ReadBuffer(m_pSegBuffer + m_nSegBufferPos, nSize);
m_nSegBufferPos += nSize;
}
if (m_nSegBufferPos >= m_nSegSize) {
CGolombBuffer SegmentBuffer(m_pSegBuffer, m_nSegSize);
switch (m_nCurSegment) {
case PALETTE:
TRACE_HDMVSUB( (_T("CHdmvSub:PALETTE rtStart=%10I64d\n"), rtStart) );
ParsePalette(&SegmentBuffer, m_nSegSize);
break;
case OBJECT:
TRACE_HDMVSUB( (_T("CHdmvSub:OBJECT %lS\n"), ReftimeToCString(rtStart)) );
ParseObject(&SegmentBuffer, m_nSegSize);
break;
case PRESENTATION_SEG:
TRACE_HDMVSUB( (_T("CHdmvSub:PRESENTATION_SEG %lS (size=%d)\n"), ReftimeToCString(rtStart), m_nSegSize) );
// Enqueue the current presentation segment if any
EnqueuePresentationSegment(rtStart);
// Parse the new presentation segment
ParsePresentationSegment(rtStart, &SegmentBuffer);
break;
case WINDOW_DEF:
//TRACE_HDMVSUB( (_T("CHdmvSub:WINDOW_DEF %lS\n"), ReftimeToCString(rtStart)) );
break;
case END_OF_DISPLAY:
//TRACE_HDMVSUB( (_T("CHdmvSub:END_OF_DISPLAY %lS\n"), ReftimeToCString(rtStart)) );
break;
default:
TRACE_HDMVSUB( (_T("CHdmvSub:UNKNOWN Seg %d rtStart=0x%10dd\n"), m_nCurSegment, rtStart) );
}
m_nCurSegment = NO_SEGMENT;
}
}
}
}
return hr;
}
HRESULT CHdmvSub::ParseSample(IMediaSample* pSample)
{
CheckPointer (pSample, E_POINTER);
HRESULT hr;
REFERENCE_TIME rtStart = INVALID_TIME, rtStop = INVALID_TIME;
BYTE* pData = NULL;
int lSampleLen;
hr = pSample->GetPointer(&pData);
if(FAILED(hr) || pData == NULL) {
return hr;
}
lSampleLen = pSample->GetActualDataLength();
pSample->GetTime(&rtStart, &rtStop);
if (pData) {
CGolombBuffer SampleBuffer (pData, lSampleLen);
while (!SampleBuffer.IsEOF()) {
if (m_nCurSegment == NO_SEGMENT) {
HDMV_SEGMENT_TYPE nSegType = (HDMV_SEGMENT_TYPE)SampleBuffer.ReadByte();
USHORT nUnitSize = SampleBuffer.ReadShort();
lSampleLen -=3;
switch (nSegType) {
case PALETTE :
case OBJECT :
case PRESENTATION_SEG :
case END_OF_DISPLAY :
m_nCurSegment = nSegType;
AllocSegment (nUnitSize);
break;
case WINDOW_DEF :
case INTERACTIVE_SEG :
case HDMV_SUB1 :
case HDMV_SUB2 :
// Ignored stuff...
SampleBuffer.SkipBytes(nUnitSize);
break;
default :
return VFW_E_SAMPLE_REJECTED;
}
}
if (m_nCurSegment != NO_SEGMENT) {
if (m_nSegBufferPos < m_nSegSize) {
int nSize = min (m_nSegSize-m_nSegBufferPos, lSampleLen);
SampleBuffer.ReadBuffer (m_pSegBuffer+m_nSegBufferPos, nSize);
m_nSegBufferPos += nSize;
}
if (m_nSegBufferPos >= m_nSegSize) {
CGolombBuffer SegmentBuffer (m_pSegBuffer, m_nSegSize);
switch (m_nCurSegment) {
case PALETTE :
TRACE_HDMVSUB ("CHdmvSub:PALETTE rtStart=%10I64d\n", rtStart);
ParsePalette(&SegmentBuffer, m_nSegSize);
break;
case OBJECT :
//TRACE_HDMVSUB ("CHdmvSub:OBJECT %S\n", ReftimeToString(rtStart));
ParseObject(&SegmentBuffer, m_nSegSize);
break;
case PRESENTATION_SEG :
TRACE_HDMVSUB ("CHdmvSub:PRESENTATION_SEG %S (size=%d)\n", ReftimeToString(rtStart), m_nSegSize);
if (m_pCurrentObject) {
m_pCurrentObject->m_rtStop = rtStart;
m_pObjects.AddTail (m_pCurrentObject);
TRACE_HDMVSUB ("CHdmvSub:HDMV : %S => %S\n", ReftimeToString (m_pCurrentObject->m_rtStart), ReftimeToString(rtStart));
m_pCurrentObject = NULL;
}
if (ParsePresentationSegment(&SegmentBuffer) > 0) {
m_pCurrentObject->m_rtStart = rtStart;
m_pCurrentObject->m_rtStop = _I64_MAX;
}
break;
case WINDOW_DEF :
// TRACE_HDMVSUB ("CHdmvSub:WINDOW_DEF %S\n", ReftimeToString(rtStart));
break;
case END_OF_DISPLAY :
// TRACE_HDMVSUB ("CHdmvSub:END_OF_DISPLAY %S\n", ReftimeToString(rtStart));
break;
default :
TRACE_HDMVSUB ("CHdmvSub:UNKNOWN Seg %d rtStart=0x%10dd\n", m_nCurSegment, rtStart);
}
m_nCurSegment = NO_SEGMENT;
}
}
}
}
return hr;
}
void CHdmvSub::Render(SubPicDesc& spd, REFERENCE_TIME rt, RECT& bbox)
{
bbox.left = LONG_MAX;
bbox.top = LONG_MAX;
bbox.right = 0;
bbox.bottom = 0;
POSITION pos = m_pObjects.GetHeadPosition();
while (pos) {
CompositionObject* pObject = m_pObjects.GetAt (pos);
if (pObject && rt >= pObject->m_rtStart && rt < pObject->m_rtStop) {
if (pObject->GetRLEDataSize() && pObject->m_width > 0 && pObject->m_height > 0 &&
m_VideoDescriptor.nVideoWidth >= (pObject->m_horizontal_position + pObject->m_width) &&
m_VideoDescriptor.nVideoHeight >= (pObject->m_vertical_position + pObject->m_height)) {
if (g_bForcedSubtitle && !pObject->m_forced_on_flag) {
TRACE_HDMVSUB(_T("CHdmvSub::Render() : skip non forced subtitle - forced = %d, %I64d = %s"), pObject->m_forced_on_flag, rt, ReftimeToString(rt));
return;
}
if (!pObject->HavePalette() && m_DefaultCLUT.Palette) {
pObject->SetPalette(m_DefaultCLUT.pSize, m_DefaultCLUT.Palette, m_VideoDescriptor.nVideoWidth > 720);
}
if (!pObject->HavePalette()) {
TRACE_HDMVSUB(_T("CHdmvSub::Render() : The palette is missing - cancel rendering\n"));
return;
}
bbox.left = min(pObject->m_horizontal_position, bbox.left);
bbox.top = min(pObject->m_vertical_position, bbox.top);
bbox.right = max(pObject->m_horizontal_position + pObject->m_width, bbox.right);
bbox.bottom = max(pObject->m_vertical_position + pObject->m_height, bbox.bottom);
bbox.left = bbox.left > 0 ? bbox.left : 0;
bbox.top = bbox.top > 0 ? bbox.top : 0;
if (m_VideoDescriptor.nVideoWidth > spd.w) {
bbox.left = MulDiv(bbox.left, spd.w, m_VideoDescriptor.nVideoWidth);
bbox.right = MulDiv(bbox.right, spd.w, m_VideoDescriptor.nVideoWidth);
}
if (m_VideoDescriptor.nVideoHeight > spd.h) {
bbox.top = MulDiv(bbox.top, spd.h, m_VideoDescriptor.nVideoHeight);
bbox.bottom = MulDiv(bbox.bottom, spd.h, m_VideoDescriptor.nVideoHeight);
}
TRACE_HDMVSUB(_T("CHdmvSub::Render() : size = %ld, ObjRes = %dx%d, SPDRes = %dx%d, %I64d = %s\n"),
pObject->GetRLEDataSize(),
pObject->m_width, pObject->m_height, spd.w, spd.h,
rt, ReftimeToString(rt));
InitSpd(spd, m_VideoDescriptor.nVideoWidth, m_VideoDescriptor.nVideoHeight);
pObject->RenderHdmv(spd, m_bResizedRender ? &m_spd : NULL);
}
}
m_pObjects.GetNext(pos);
}
FinalizeRender(spd);
}
void CHdmvSub::ParsePresentationSegment(CGolombBuffer* pGBuffer, REFERENCE_TIME rtTime)
{
COMPOSITION_DESCRIPTOR CompositionDescriptor;
BYTE nObjectNumber;
bool palette_update_flag;
BYTE palette_id_ref;
ParseVideoDescriptor(pGBuffer, &m_VideoDescriptor);
ParseCompositionDescriptor(pGBuffer, &CompositionDescriptor);
palette_update_flag = !!(pGBuffer->ReadByte() & 0x80);
UNREFERENCED_PARAMETER(palette_update_flag);
palette_id_ref = pGBuffer->ReadByte();
nObjectNumber = pGBuffer->ReadByte();
TRACE_HDMVSUB(_T("CHdmvSub::ParsePresentationSegment() : Size = %d, nObjectNumber = %d, palette_id_ref = %d, compositionNumber = %d\n"),
pGBuffer->GetSize(), nObjectNumber, palette_id_ref, CompositionDescriptor.nNumber);
if (m_pCurrentWindow && m_pCurrentWindow->m_nObjectNumber && m_pCurrentWindow->m_compositionNumber != -1) {
for (int i = 0; i < m_pCurrentWindow->m_nObjectNumber; i++) {
if (m_pCurrentWindow->Objects[i]) {
CompositionObject* pObject = m_pCurrentWindow->Objects[i];
CompositionObject& pObjectData = m_ParsedObjects[pObject->m_object_id_ref];
if (pObjectData.m_width) {
pObject->m_rtStop = rtTime;
pObject->m_width = pObjectData.m_width;
pObject->m_height = pObjectData.m_height;
pObject->SetRLEData(pObjectData.GetRLEData(), pObjectData.GetRLEDataSize(), pObjectData.GetRLEDataSize());
if (!pObject->HavePalette() && m_CLUT[palette_id_ref].Palette) {
pObject->SetPalette(m_CLUT[palette_id_ref].pSize, m_CLUT[palette_id_ref].Palette, m_VideoDescriptor.nVideoWidth > 720);
}
TRACE_HDMVSUB(_T(" store Segment : m_object_id_ref = %d, m_window_id_ref = %d, compositionNumber = %d, [%10I64d -> %10I64d], [%s -> %s]\n"),
m_pCurrentWindow->Objects[i]->m_object_id_ref,
m_pCurrentWindow->Objects[i]->m_window_id_ref,
m_pCurrentWindow->Objects[i]->m_compositionNumber,
m_pCurrentWindow->Objects[i]->m_rtStart, m_pCurrentWindow->Objects[i]->m_rtStop,
ReftimeToString(m_pCurrentWindow->Objects[i]->m_rtStart), ReftimeToString(m_pCurrentWindow->Objects[i]->m_rtStop));
m_pObjects.AddTail (m_pCurrentWindow->Objects[i]);
} else {
delete m_pCurrentWindow->Objects[i];
}
}
m_pCurrentWindow->Objects[i] = NULL;
}
}
if (!m_pCurrentWindow) {
m_pCurrentWindow = DNew HDMV_WindowDefinition();
} else {
m_pCurrentWindow->Reset();
}
if (nObjectNumber > 0) {
m_pCurrentWindow->m_nObjectNumber = nObjectNumber;
m_pCurrentWindow->m_palette_id_ref = (SHORT)palette_id_ref;
m_pCurrentWindow->m_compositionNumber = CompositionDescriptor.nNumber;
for (int i = 0; i < nObjectNumber; i++) {
m_pCurrentWindow->Objects[i] = DNew CompositionObject();
m_pCurrentWindow->Objects[i]->m_rtStart = rtTime;
m_pCurrentWindow->Objects[i]->m_rtStop = _I64_MAX;
m_pCurrentWindow->Objects[i]->m_compositionNumber = CompositionDescriptor.nNumber;
ParseCompositionObject(pGBuffer, m_pCurrentWindow->Objects[i]);
}
}
}
