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windows-nt/Source/XPSP1/NT/multimedia/dshow/vidctl/dsextend.h

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2020-09-26 03:20:57 -05:00
//==========================================================================;
//
// dsextend.h : additional infrastructure to extend the dshow stuff so that it
// works nicely from c++
// Copyright (c) Microsoft Corporation 1995-1999.
//
/////////////////////////////////////////////////////////////////////////////
#pragma once
#ifndef DSEXTEND_H
#define DSEXTEND_H
#include <algorithm>
#include <functional>
#include <utility>
#include <vector>
#include <list>
#include <map>
#include <trace.h>
#include <throw.h>
#include <stextend.h>
#include <w32extend.h>
#include <ksextend.h>
#include <fwdseq.h>
#include <control.h>
#include <mpconfig.h>
#include <vptype.h>
#include <vpnotify.h>
#include <il21dec.h>
#include <mtype.h>
#include <tuner.h>
#include <bdaiface.h>
#include <errors.h>
#include <winerror.h>
#include <evcode.h>
struct DECLSPEC_NOVTABLE DECLSPEC_UUID("6E8D4A21-310C-11d0-B79A-00AA003767A7") IAMLine21Decoder;
#define LINE21_BY_MAGIC
#define FILTERDATA
// #define ATTEMPT_DIRECT_CONNECT
// we'd like to check to see if two filters can be connected by just trying to connect them
// this is less work and techinically more accurate since pins aren't required to enumerate all
// of the media types they potentiall could support.
// however, this exposes bugs in the filters and causes random hangs and crashes. instead
// we manually check mediums and media types and only attempt the connection when we find a match.
// this turns out to be much more stable.
//#define FORWARD_TRACE
const PIN_DIRECTION DOWNSTREAM = PINDIR_OUTPUT;
const PIN_DIRECTION UPSTREAM = PINDIR_INPUT;
typedef CComQIPtr<IFileSourceFilter, &IID_IFileSourceFilter> PQFileSourceFilter;
#ifndef POLYMORPHIC_TUNERS
typedef CComQIPtr<IAMTVTuner, &IID_IAMTVTuner> PQTVTuner;
//typedef CComQIPtr<ISatelliteTuner, &IID_ISatelliteTuner> PQSatelliteTuner;
#else
typedef CComQIPtr<IAMTuner, &IID_IAMTuner> PQTuner;
typedef CComQIPtr<IAMTVTuner, &IID_IAMTVTuner> PQTVTuner;
typedef CComQIPtr<IBPCSatelliteTuner, &IID_IBPCSatelliteTuner> PQSatelliteTuner;
#endif
#if 0
typedef CComQIPtr<IVideoWindow, &IID_IVideoWindow> PQVideoWindow;
typedef CComQIPtr<IBasicVideo, &IID_IBasicVideo> PQBasicVideo;
#else
typedef CComQIPtr<IVMRWindowlessControl, &IID_IVMRWindowlessControl> PQVMRWindowlessControl;
#endif
typedef CComQIPtr<IPin, &IID_IPin> PQPin;
typedef CComQIPtr<IBaseFilter, &IID_IBaseFilter> PQFilter;
typedef CComQIPtr<IFilterInfo, &IID_IFilterInfo> PQFilterInfo;
typedef CComQIPtr<IEnumPins, &IID_IEnumPins> PQEnumPins;
typedef CComQIPtr<IEnumFilters, &IID_IEnumFilters> PQEnumFilters;
typedef CComQIPtr<IBasicAudio, &IID_IBasicAudio> PQBasicAudio;
typedef CComQIPtr<IAMCrossbar, &IID_IAMCrossbar> PQCrossbarSwitch;
typedef CComQIPtr<IMediaEventEx, &IID_IMediaEventEx> PQMediaEventEx;
typedef CComQIPtr<IMediaControl, &IID_IMediaControl> PQMediaControl;
typedef CComQIPtr<IMediaPosition, &IID_IMediaPosition> PQMediaPosition;
typedef CComQIPtr<IMediaSeeking, &IID_IMediaSeeking> PQMediaSeeking;
typedef CComQIPtr<IGraphBuilder, &IID_IGraphBuilder> PQGraphBuilder;
typedef CComQIPtr<ICreateDevEnum, &IID_ICreateDevEnum> PQCreateDevEnum;
typedef CComQIPtr<IEnumMoniker, &IID_IEnumMoniker> PQEnumMoniker;
typedef CComQIPtr<IFilterMapper2, &IID_IFilterMapper2> PQFilterMapper;
typedef CComQIPtr<IEnumMediaTypes, &IID_IEnumMediaTypes> PQEnumMediaTypes;
typedef CComQIPtr<IAMAnalogVideoDecoder, &IID_IAMAnalogVideoDecoder> PQAnalogVideoDecoder;
typedef CComQIPtr<IMixerPinConfig, &IID_IMixerPinConfig> PQMixerPinConfig;
typedef CComQIPtr<IAMAudioInputMixer, &IID_IAMAudioInputMixer> PQAudioInputMixer;
typedef CComQIPtr<IAMLine21Decoder, &IID_IAMLine21Decoder> PQLine21Decoder;
typedef CComQIPtr<IVPNotify2, &IID_IVPNotify2> PQVPNotify2;
typedef CComQIPtr<ITuner> PQBDATuner;
typedef CComQIPtr<IBDA_IPSinkControl> PQBDA_IPSinkControl;
typedef CComQIPtr<IDvdControl, &IID_IDvdControl> PQDVDNavigator;
typedef CComQIPtr<IVideoFrameStep> PQVideoFrameStep;
typedef CComQIPtr<IMediaEventSink> PQMediaEventSink;
typedef CComQIPtr<IVMRMonitorConfig> PQVMRMonitorConfig;
typedef CComQIPtr<IDirectDraw7, &IID_IDirectDraw7> PQDirectDraw7;
typedef CComQIPtr<IRegisterServiceProvider, &IID_IRegisterServiceProvider> PQRegisterServiceProvider;
typedef std::vector<GUID2> MediaMajorTypeList;
#if 0
typedef std::pair<PQCrossbarSwitch, long> PQBasePoint;
inline void clear(PQBasePoint &p) {p.first.Release(); p.second = 0;}
class PQPoint : public PQBasePoint {
public:
//PQBasePoint p;
inline PQPoint() : PQBasePoint(PQCrossbarSwitch(), 0) {}
inline PQPoint(const PQBasePoint &p2) : PQBasePoint(p2) {}
inline PQPoint(const PQPoint &p2) : PQBasePoint(p2) {}
inline PQPoint(const PQCrossbarSwitch &s, long i) : PQBasePoint(s, i) {}
virtual ~PQPoint() { ::clear(*this); }
inline void clear(void) { ::clear(*this); }
};
#else
typedef std::pair<PQCrossbarSwitch, long> PQPoint;
#endif
class CDevices;
class DSFilter;
class DSPin;
typedef std::vector< DSFilter, stl_smart_ptr_allocator<DSFilter> > DSFilterList;
typedef std::vector< DSPin, stl_smart_ptr_allocator<DSPin> > DSPinList;
typedef std::pair< DSFilter, CString> DSFilterID;
typedef std::vector< DSFilterID > DSFilterIDList;
typedef PQPoint XBarInputPoint, PQInputPoint;
typedef PQPoint XBarOutputPoint, PQOutputPoint;
typedef PQPoint XBarPoint;
typedef std::pair<XBarInputPoint, XBarOutputPoint> CIOPoint;
typedef std::list<CIOPoint> VWGraphPath;
class VWStream : public VWGraphPath {
public:
//PQBasePoint p;
VWStream() {}
VWStream(const VWGraphPath &p2) : VWGraphPath(p2) {}
VWStream(const VWStream &p2) : VWGraphPath(p2) {}
virtual ~VWStream() {}
void Route(void);
};
typedef std::list<VWStream> VWStreamList;
#ifdef _DEBUG
class DSREGPINMEDIUM;
class DSMediaType;
inline tostream &operator<<(tostream &dc, const DSREGPINMEDIUM &g);
inline tostream& operator<<(tostream &d, const PQPin &pin);
inline tostream &operator<<(tostream &dc, const DSREGPINMEDIUM &g);
inline tostream& operator<<(tostream &d, const PQPin &pin);
inline tostream& operator<<(tostream &d, const _AMMediaType *pmt);
#endif
// AM_MEDIA_TYPE:
// GUID majortype;
// GUID subtype;
// BOOL bFixedSizeSamples;
// BOOL bTemporalCompression;
// ULONG lSampleSize;
// GUID formattype;
// IUnknown *pUnk;
// ULONG cbFormat;
#define GUID0 0L, 0, 0, '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'
const AM_MEDIA_TYPE NULL_AMMEDIATYPE = {
GUID0,
GUID0,
0,
0,
0L,
GUID0,
NULL,
0L
};
// this is basically a CComQIPtr with allocate/copy semantics instead of
// refcount semantics and without the QI stuff.
// i don't know why they didn't just implement media types as an
// com object with an IMediaType interface instead of this weird alloc stuff
// REV2: investigate inheriting from CMediaType class in mtype.h. but, i'm not using anything
// from the filter implementation class hierarchy. and, i'd like to keep this interface division
// clean. right now we only use dshow sdk \include which is the external interface stuff.
class DSMediaType {
public:
AM_MEDIA_TYPE *p;
inline DSMediaType() : p(NULL) {}
DSMediaType(GUID majortype, GUID subtype = GUID_NULL, GUID formattype = GUID_NULL) : p(NULL) {
try {
p = CreateMediaType(&NULL_AMMEDIATYPE);
if (p) {
p->majortype = majortype;
p->subtype = subtype;
p->formattype = formattype;
}
} catch(...) {
TRACELM(TRACE_ERROR, "DSMediaType::DSMediaType(const DSMediaType) Exception");
}
}
DSMediaType(const DSMediaType &d) : p(NULL) {
try {
if (d.p) {
p = CreateMediaType(d.p);
}
} catch(...) {
TRACELM(TRACE_ERROR, "DSMediaType::DSMediaType(const DSMediaType) Exception");
}
}
DSMediaType(int a) : p(NULL) {}
~DSMediaType() {
try {
if (p) {
DeleteMediaType(p);
p = NULL;
}
} catch(...) {
TRACELM(TRACE_ERROR, "DSMediaType::~DSMediaType() Exception");
}
}
inline operator AM_MEDIA_TYPE*() const {return p;}
inline AM_MEDIA_TYPE& operator*() const {_ASSERTE(p!=NULL); return *p; }
inline AM_MEDIA_TYPE ** operator&() {ASSERT(p == NULL); return &p; }
inline AM_MEDIA_TYPE * operator->() const {_ASSERTE(p!=NULL); return p; }
inline DSMediaType * address(void) { return this; }
inline const DSMediaType * const_address(void) const { return this; }
typedef stl_smart_ptr_allocator<DSMediaType> stl_allocator;
DSMediaType& operator=(const AM_MEDIA_TYPE &d) {
if (&d != p) {
try {
if (p) {
DeleteMediaType(p);
p = NULL;
}
if (&d) {
p = CreateMediaType(&d);
}
} catch(...) {
TRACELM(TRACE_ERROR, "DSMediaType::operator=(const AM_MEDIA_TYPE &) Exception");
}
}
return *this;
}
DSMediaType& operator=(const AM_MEDIA_TYPE *pd) {
try {
if (pd != p) {
if (p) {
DeleteMediaType(p);
p = NULL;
}
if (pd) {
p = CreateMediaType(pd);
}
}
} catch(...) {
TRACELM(TRACE_ERROR, "DSMediaType::operator=(const AM_MEDIA_TYPE *) Exception");
}
return *this;
}
DSMediaType& operator=(const DSMediaType &d) {
try {
if (d.const_address() != this) {
if (p) {
DeleteMediaType(p);
p = NULL;
}
if (d.p) {
p = CreateMediaType(d.p);
}
}
} catch(...) {
TRACELM(TRACE_ERROR, "DSMediaType::operator=(DSMediaType &)Exception");
}
return *this;
}
DSMediaType& operator=(int d) {
ASSERT(d == 0);
try {
if (p) {
DeleteMediaType(p);
p = NULL;
}
} catch(...) {
TRACELM(TRACE_ERROR, "DSMediaType::operator=(int) Exception");
}
return *this;
}
inline bool operator==(const DSMediaType &d) const {
if (!p && !d.p) {
// both null then they're the same
return true;
}
if (!p || !d.p) {
// if either one null but not both then they aren't the same
return false;
}
TRACELSM(TRACE_DETAIL, (dbgDump << "DSMediaType::operator==() this = " << *this << " d = " << d), "");
return p->majortype == d.p->majortype &&
(p->subtype == GUID_NULL || d.p->subtype == GUID_NULL || p->subtype == d.p->subtype);
}
inline bool operator==(const AM_MEDIA_TYPE &d) const {
if (!p && !&d) {
return true;
}
return p && (&d) && p->majortype == d.majortype &&
(p->subtype == GUID_NULL || d.subtype == GUID_NULL || p->subtype == d.subtype);
}
inline bool operator==(const AM_MEDIA_TYPE *d) const {
if (!p && !d) {
return true;
}
return p && d && p->majortype == d->majortype &&
(p->subtype == GUID_NULL || d->subtype == GUID_NULL || p->subtype == d->subtype);
}
inline bool operator!=(const DSMediaType &d) const {
return !(*this == d);
}
inline bool operator!() const {
return (p == NULL);
}
inline bool MatchingMajor(const AM_MEDIA_TYPE *prhs) const {
if (!p && !prhs) {
return true;
}
TRACELSM(TRACE_DETAIL, (dbgDump << "DSMediaType::MatchingMajor() this = " << *this << "\rprhs = " << prhs), "");
return p && prhs && p->majortype == prhs->majortype;
}
inline bool MatchingMajor(const DSMediaType &rhs) const {
return MatchingMajor(rhs.p);
}
#ifdef _DEBUG
inline tostream& operator<<(tostream &d) {
d << p;
if (p) {
d << _T(" major = ") << GUID2(p->majortype) << _T(" sub = ") << GUID2(p->subtype);
}
return d;
}
#endif
};
class DSFilterMoniker : public W32Moniker {
public:
inline DSFilterMoniker() {}
inline DSFilterMoniker(const PQMoniker &a) : W32Moniker(a) {}
inline DSFilterMoniker(const W32Moniker &a) : W32Moniker(a) {}
inline DSFilterMoniker(IMoniker *p) : W32Moniker(p) {}
inline DSFilterMoniker(IUnknown *p) : W32Moniker(p) {}
inline DSFilterMoniker(const DSFilterMoniker &a) : W32Moniker(a) {}
CComBSTR GetName() const {
CComVariant vName;
vName.vt = VT_BSTR;
HRESULT hr = (GetPropertyBag())->Read(OLESTR("FriendlyName"), &vName, NULL);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "DSFilterMoniker::GetName() can't read friendly name");
return CComBSTR();
}
USES_CONVERSION;
ASSERT(vName.vt == VT_BSTR);
CComBSTR Name(vName.bstrVal);
return Name;
}
DSFilter GetFilter() const;
};
typedef Forward_Sequence<
PQCreateDevEnum,
PQEnumMoniker,
DSFilterMoniker,
ICreateDevEnum,
IEnumMoniker,
IMoniker*> DSDeviceSequence;
typedef Forward_Sequence<
PQFilterMapper,
PQEnumMoniker,
DSFilterMoniker,
IFilterMapper2,
IEnumMoniker,
IMoniker*> DSFilterMapperSequence;
typedef Forward_Sequence<
PQPin,
PQEnumMediaTypes,
DSMediaType,
IPin,
IEnumMediaTypes,
AM_MEDIA_TYPE*> DSPinSequence;
class DSGraph;
class DSPin : public DSPinSequence {
public:
DSPin() {}
DSPin(const PQPin &a) : DSPinSequence(a) {}
DSPin(IPin *p) : DSPinSequence(p) {}
DSPin(IUnknown *p) : DSPinSequence(p) {}
DSPin(const DSPin &a) : DSPinSequence(a) {}
CString GetName() const {
CString csPinName;
PIN_INFO pinfo;
HRESULT hr = (*this)->QueryPinInfo(&pinfo);
if (SUCCEEDED(hr)) {
csPinName = pinfo.achName;
if (pinfo.pFilter) pinfo.pFilter->Release();
}
return csPinName;
}
PIN_DIRECTION GetDirection() const {
PIN_DIRECTION pin1dir;
HRESULT hr = (*this)->QueryDirection(&pin1dir);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "DSPin::GetDirection() can't call QueryDirection");
THROWCOM(E_UNEXPECTED);
}
return pin1dir;
}
bool IsConnected() const {
return GetConnection() != DSPin();
}
bool IsRenderable() {
CString csName(GetName());
if (!csName.IsEmpty() && csName.GetAt(0) == '~') {
return false;
}
return true;
}
bool IsInput() const {
return GetDirection() == PINDIR_INPUT;
}
static inline bool IsInput(const DSPin pin) {
PIN_DIRECTION pin1dir = pin.GetDirection();
return pin1dir == PINDIR_INPUT;
}
bool IsKsProxied() const;
HRESULT GetMediums(KSMediumList &MediumList) const {
TRACELSM(TRACE_DETAIL, (dbgDump << "DSPin::GetMediums() " << this), "");
PQKSPin pin(*this);
if (!pin) {
TRACELM(TRACE_DETAIL, "DSPin::GetMedium() can't get IKsPin");
return E_FAIL;
}
HRESULT hr = pin->KsQueryMediums(&MediumList);
// undone: in win64 mediumlist.size is really __int64. fix output operator for
// that type and remove cast
TRACELSM(TRACE_DETAIL, (dbgDump <<
"DSPin::GetMediums() hr = " <<
hr <<
" size = " <<
(long) MediumList.size()), "");
return hr;
}
static inline bool HasCategory(DSPin& pin, const GUID2 &clsCategory, const PIN_DIRECTION pd) {
return pin.HasCategory(clsCategory, pd);
}
static inline bool HasCategory(DSPin& pin, const GUID2 &clsCategory) {
return pin.HasCategory(clsCategory);
}
void GetCategory(CLSID &clsCategory) const {
ULONG outcount;
PQKSPropertySet ps(*this);
if (!ps) {
TRACELM(TRACE_ERROR, "DSPin::GetCategory() can't get IKsPropertySet");
clsCategory = GUID_NULL;
return;
}
HRESULT hr = ps->Get(AMPROPSETID_Pin, AMPROPERTY_PIN_CATEGORY,
NULL, 0, &clsCategory, sizeof(clsCategory), &outcount);
if (FAILED(hr)) {
TRACELSM(TRACE_ERROR, (dbgDump << "DSPin::GetCategory() can't get pin category hr = " << hr), "");
clsCategory = GUID_NULL;
}
return;
}
DSPin GetConnection(void) const {
DSPin pConn;
HRESULT hr = (*this)->ConnectedTo(&pConn);
if (FAILED(hr) || !pConn) {
return DSPin();
}
#ifdef _DEBUG
DSPin pConn2;
hr = pConn->ConnectedTo(&pConn2);
if (FAILED(hr) || pConn2.IsEqualObject(*this)) {
TRACELSM(TRACE_DETAIL, (dbgDump << "DSPin::GetConnection() " << *this << " is Connected to " << pConn << " but not vice versa"), "");
}
#endif
return pConn;
}
DSMediaType GetConnectionMediaType(void) const {
DSMediaType amt(GUID_NULL);
HRESULT hr = (*this)->ConnectionMediaType(amt);
if (SUCCEEDED(hr)) {
return amt;
} else {
return DSMediaType();
}
}
DSGraph GetGraph(void) const;
DSFilter GetFilter(void) const;
bool HasCategory(const GUID2 &clsCategory, const PIN_DIRECTION pd) const;
bool HasCategory(const GUID2 &clsCategory) const;
HRESULT Connect(DSPin ConnectTo, const AM_MEDIA_TYPE *pMediaType = NULL);
HRESULT IntelligentConnect(DSPin ConnectTo, const AM_MEDIA_TYPE *pMediaType = NULL) {
// undone: implement this via igb2, currently we're just connecting directly via graph mgr.
return Connect(ConnectTo, pMediaType);
}
HRESULT IntelligentConnect(DSFilter& Filter1, DSFilterList &intermediates, const DWORD dwFlags = 0, const PIN_DIRECTION pd = DOWNSTREAM);
HRESULT Disconnect(void);
bool CanRoute(const DSPin pin2) const;
protected:
bool Routable(const DSPin pin2) const;
};
typedef Forward_Sequence<
PQFilter,
PQEnumPins,
DSPin,
IBaseFilter ,
IEnumPins,
IPin*> DSFilterSequence;
inline bool _cdecl operator==(const CString &cs, const DSFilterSequence& pF);
inline bool _cdecl operator==(const CLSID &cls, const DSFilterSequence& pF);
class DSFilter : public DSFilterSequence {
public:
DSFilter() {}
DSFilter(const PQFilter &a) : DSFilterSequence(a) {}
DSFilter(const DSFilterSequence &a) : DSFilterSequence(a) {}
DSFilter(IBaseFilter *p) : DSFilterSequence(p) {}
DSFilter(IUnknown *p) : DSFilterSequence(p) {}
DSFilter(const DSFilter &a) : DSFilterSequence(a) {}
DSFilter(REFCLSID rclsid, LPUNKNOWN pUnkOuter = NULL, DWORD dwClsContext = CLSCTX_ALL) : DSFilterSequence(rclsid, pUnkOuter, dwClsContext) {}
DSGraph GetGraph(void);
void GetPinCounts(ULONG &ulIn, ULONG &ulOut) const;
ULONG PinCount(PIN_DIRECTION pd) {
ULONG in, out;
GetPinCounts(in, out);
if (pd == PINDIR_INPUT) {
return in;
} else {
return out;
}
}
ULONG OutputPinCount() const {
ULONG in, out;
GetPinCounts(in, out);
return out;
}
ULONG InputPinCount() const {
ULONG in, out;
GetPinCounts(in, out);
return in;
}
bool HasFreePins(PIN_DIRECTION pd) const {
int count = 0;
for (iterator i = begin(); i != end(); ++i) {
DSPin p(*i);
if (p.GetDirection() != pd) {
continue;
}
if (p.IsConnected()) {
continue;
}
++count;
}
return !!count;
}
bool IsKsProxied() const {
CLSID cls;
HRESULT hr = (*this)->GetClassID(&cls);
if (FAILED(hr)) {
TRACELM(TRACE_ERROR, "DSFilter::IsKsProxied() can't get class id");
return false; // if it doesn't have a clsid it can't be the proxy
}
#pragma warning(disable: 4800)
return (cls == CLSID_Proxy);
#pragma warning(default: 4800)
}
#if 0
DSFilter *operator&() { // using vector instead of list so don't need this
return this;
}
#endif
bool IsXBar() const;
CString GetName(void) const;
DSPin FirstPin(PIN_DIRECTION pd = PINDIR_INPUT) const {
for (DSFilter::iterator i = begin(); i != end(); ++i) {
if ((*i).GetDirection() == pd) {
return *i;
}
}
return DSPin();
}
GUID2 ClassID() const {
PQPersist p(*this);
GUID2 g;
p->GetClassID(&g);
return g;
}
};
typedef Forward_Sequence<
PQGraphBuilder,
PQEnumFilters,
DSFilter,
IGraphBuilder,
IEnumFilters,
IBaseFilter*> DSGraphContainer;
typedef std_arity3pmf<
ICreateDevEnum, REFCLSID, IEnumMoniker **, ULONG, HRESULT
> DSDevicesMFType;
typedef std_bndr_mf_1_3<DSDevicesMFType> DSDevicesFetchType;
class DSDevices : public DSDeviceSequence {
public:
DSDevicesFetchType * Fetch;
DSDevices(DSDeviceSequence &p, REFCLSID clsid) : Fetch(NULL), DSDeviceSequence(p) {
SetFetch(clsid);
}
DSDevices(PQCreateDevEnum &p, REFCLSID clsid) : Fetch(NULL), DSDeviceSequence(p) {
SetFetch(clsid);
}
DSDevices(DSDevices &d) : DSDeviceSequence(d) {
SetFetch((d.Fetch)->arg1val);
}
virtual DSDeviceSequence::FetchType * GetFetch() const { return Fetch; }
~DSDevices() { if (Fetch) delete Fetch; }
protected:
// NOTE: this invalidates all currently outstanding iterators
// don't use outside of construction
void SetFetch(REFCLSID clsid) {
if (Fetch) {
delete Fetch;
}
Fetch =
new DSDevicesFetchType(std_arity3_member(&ICreateDevEnum::CreateClassEnumerator),
clsid,
0);
}
};
typedef std_arity15pmf<
IFilterMapper2,
IEnumMoniker **, // enumerator returned
DWORD, // 0 flags
BOOL, // don't match wildcards
DWORD, // at least this merit needed
BOOL, // need at least one input pin
DWORD, // input media type count
const GUID *, // input major+sub pair array
const REGPINMEDIUM *, // input medium
const CLSID*, // input pin category
BOOL, // must the input be rendered?
BOOL, // need at least one output pin
DWORD, // output media type count
const GUID *, // output major type
const REGPINMEDIUM *, // output medium
const CLSID*, // output pin category
HRESULT
> DSFilterMapperMFType;
typedef std_bndr_mf_2_3_4_5_6_7_8_9_10_11_12_13_14_15<DSFilterMapperMFType> DSFilterMapperFetchType;
class DSFilterMapper : public DSFilterMapperSequence {
public:
DSFilterMapperFetchType *Fetch;
protected:
// NOTE: this invalidates all currently outstanding iterators
// don't use outside of construction
void SetFetch(
DWORD dwFlags, // 0
BOOL bExactMatch, // don't match wildcards
DWORD dwMerit, // at least this merit needed
BOOL bInputNeeded, // need at least one input pin
DWORD cInputTypes, // Number of input types to match
// Any match is OK
const GUID *pInputTypes, // input major+subtype pair array
const REGPINMEDIUM *pMedIn, // input medium
const CLSID *pPinCategoryIn, // input pin category
BOOL bRender, // must the input be rendered?
BOOL bOutputNeeded, // need at least one output pin
DWORD cOutputTypes, // Number of output types to match
// Any match is OK
const GUID *pOutputTypes, // output major+subtype pair array
const REGPINMEDIUM *pMedOut, // output medium
const CLSID *pPinCategoryOut // output pin category
) {
if (Fetch) {
delete Fetch;
}
Fetch =
new DSFilterMapperFetchType(std_arity15_member(&IFilterMapper2::EnumMatchingFilters),
dwFlags, // 0
bExactMatch,
dwMerit,
bInputNeeded,
cInputTypes, // Number of input types to match
pInputTypes, // input major+subtype pair array
// Any match is OK
pMedIn,
pPinCategoryIn,
bRender,
bOutputNeeded,
cOutputTypes, // Number of output types to match
// Any match is OK
pOutputTypes, // output major+subtype pair array
pMedOut,
pPinCategoryOut
);
}
public:
DSFilterMapper(PQFilterMapper &p,
DWORD dwFlags, // 0
BOOL bExactMatch, // don't match wildcards
DWORD dwMerit, // at least this merit needed
BOOL bInputNeeded, // need at least one input pin
DWORD cInputTypes, // Number of input types to match
// Any match is OK
const GUID *pInputTypes, // input major+subtype pair array
const REGPINMEDIUM *pMedIn, // input medium
const CLSID* pInCat, // input pin category
BOOL bRender, // must the input be rendered?
BOOL bOutputNeeded, // need at least one output pin
DWORD cOutputTypes, // Number of output types to match
// Any match is OK
const GUID *pOutputTypes, // output major+subtype pair array
const REGPINMEDIUM *pMedOut, // output medium
const CLSID* pOutCat // output pin category
) : Fetch(NULL), DSFilterMapperSequence(p) {
SetFetch(
dwFlags, // 0
bExactMatch,
dwMerit,
bInputNeeded,
cInputTypes, // Number of input types to match
// Any match is OK
pInputTypes, // input major+subtype pair array
pMedIn,
pInCat,
bRender,
bOutputNeeded,
cOutputTypes, // Number of output types to match
// Any match is OK
pOutputTypes, // output major+subtype pair array
pMedOut,
pOutCat
);
}
DSFilterMapper(DSFilterMapperSequence &p,
DWORD dwFlags, // 0
BOOL bExactMatch, // don't match wildcards
DWORD dwMerit, // at least this merit needed
BOOL bInputNeeded, // need at least one input pin
DWORD cInputTypes, // Number of input types to match
// Any match is OK
const GUID *pInputTypes, // input major+subtype pair array
const REGPINMEDIUM *pMedIn, // input medium
const CLSID* pInCat, // input pin category
BOOL bRender, // must the input be rendered?
BOOL bOutputNeeded, // need at least one output pin
DWORD cOutputTypes, // Number of output types to match
// Any match is OK
const GUID *pOutputTypes, // output major+subtype pair array
const REGPINMEDIUM *pMedOut, // output medium
const CLSID* pOutCat // output pin category
) : Fetch(NULL), DSFilterMapperSequence(p) {
SetFetch(
dwFlags, // 0
bExactMatch,
dwMerit,
bInputNeeded,
cInputTypes, // Number of input types to match
// Any match is OK
pInputTypes, // input major+subtype pair array
pMedIn,
pInCat,
bRender,
bOutputNeeded,
cOutputTypes, // Number of output types to match
// Any match is OK
pOutputTypes, // output major+subtype pair array
pMedOut,
pOutCat
);
}
DSFilterMapper(DSFilterMapper &d) : DSFilterMapperSequence(d) {
SetFetch((d.Fetch)->arg2val, (d.Fetch)->arg3val, (d.Fetch)->arg4val, (d.Fetch)->arg5val,
(d.Fetch)->arg6val, (d.Fetch)->arg7val, (d.Fetch)->arg8val, (d.Fetch)->arg9val,
(d.Fetch)->arg10val, (d.Fetch)->arg11val, (d.Fetch)->arg12val,
(d.Fetch)->arg13val, (d.Fetch)->arg14val, (d.Fetch)->arg15val
);
}
virtual DSFilterMapperSequence::FetchType *GetFetch() const { return Fetch; }
~DSFilterMapper() { if (Fetch) delete Fetch; }
};
class DSREGPINMEDIUM : public REGPINMEDIUM {
public:
DSREGPINMEDIUM() { memset(this, 0, sizeof(*this)); }
DSREGPINMEDIUM(REFGUID SetInit, ULONG IdInit, ULONG FlagsInit) {
clsMedium = SetInit;
dw1 = IdInit;
dw2 = FlagsInit;
}
DSREGPINMEDIUM(DSREGPINMEDIUM &rhs) {
clsMedium = rhs.clsMedium;
dw1 = rhs.dw1;
dw2 = rhs.dw2;
}
DSREGPINMEDIUM(KSPinMedium &rhs) {
clsMedium = rhs.Set;
dw1 = rhs.Id;
dw2 = rhs.Flags;
}
DSREGPINMEDIUM& operator=(const KSPinMedium &rhs) {
if (reinterpret_cast<const REGPINMEDIUM *>(&rhs) != this) {
clsMedium = rhs.Set;
dw1 = rhs.Id;
dw2 = rhs.Flags;
}
return *this;
}
DSREGPINMEDIUM& operator=(const DSREGPINMEDIUM &rhs) {
if (&rhs != this) {
clsMedium = rhs.clsMedium;
dw1 = rhs.dw1;
dw2 = rhs.dw2;
}
return *this;
}
bool operator==(const DSREGPINMEDIUM &rhs) const {
// NOTE: at some point there will be a flag in Flags to
// indicate whether or not Id is significant for this object
// at that point this method will need to change
return (dw1 == rhs.dw1 && clsMedium == rhs.clsMedium);
}
bool operator!=(const DSREGPINMEDIUM &rhs) const {
// NOTE: at some point there will be a flag in Flags to
// indicate whether or not Id is significant for this object
// at that point this method will need to change
return !(*this == rhs);
}
};
const long DEFAULT_GRAPH_STATE_TIMEOUT = 5000;
class DSGraph : public DSGraphContainer {
public:
DSGraph() {}
DSGraph(const DSGraph &a) : DSGraphContainer(a) {}
DSGraph(const PQGraphBuilder &a) : DSGraphContainer(a) {}
DSGraph(const DSGraphContainer &a) : DSGraphContainer(a) {}
DSGraph(IGraphBuilder *p) : DSGraphContainer(p) {}
DSGraph(IUnknown *p) : DSGraphContainer(p) {}
HRESULT AddToROT(DWORD *pdwObjectRegistration);
void RemoveFromROT(DWORD dwObjectRegistration);
// graph operation
inline OAFilterState GetState(long timeout = DEFAULT_GRAPH_STATE_TIMEOUT) {
PQMediaControl pMC(*this);
if(!pMC) {
THROWCOM(E_UNEXPECTED);
}
OAFilterState state;
HRESULT hr = pMC->GetState(timeout, &state);
if (hr == VFW_S_CANT_CUE) {
state = State_Paused;
} else if (hr == VFW_S_STATE_INTERMEDIATE) {
THROWCOM(HRESULT_FROM_WIN32(ERROR_INVALID_STATE));
} else if (FAILED(hr)) {
TRACELSM(TRACE_ERROR, (dbgDump << "DSGraph::GetState() can't get graph state hr = " << hr), "");
THROWCOM(hr);
}
return state;
}
inline bool IsPlaying() {
try {
return GetState() == State_Running;
} catch(...) {
return false;
}
}
inline bool IsPaused() {
try {
return GetState() == State_Paused;
} catch(...) {
return false;
}
}
inline bool IsStopped() {
try {
return GetState() == State_Stopped;
} catch(...) {
return false;
}
}
// graph building helpers
HRESULT Connect(DSFilter &pStart, DSFilter &pStop, DSFilterList &Added, const DWORD dwFlags = 0, PIN_DIRECTION pFilter1Direction = DOWNSTREAM);
bool Connect(DSFilter &pFilter1, DSFilterMoniker &pMoniker, DSFilter &pAdded, DSFilterList &NewIntermediateFilters, const DWORD dwFlags = 0, PIN_DIRECTION pFilter1Direction = DOWNSTREAM);
typedef bool (DSGraph::*ConnectPred_t)(DSPin&, DSFilter&, DWORD dwFlags);
typedef arity5pmf<DSGraph, DSPin&, DSFilterMoniker&, DSFilter&, DSFilterIDList &, ConnectPred_t, bool> LoadCheck_t;
typedef arity5pmf<DSGraph, DSPin&, DSFilter&, DSFilter&, DSFilterIDList &, ConnectPred_t, bool> ConnectCheck_t;
bool DisconnectPin(DSPin &pPin, const bool fRecurseInputs, const bool fRecurseOutputs);
bool DisconnectFilter(DSFilter &pFilter, const bool fRecurseInputs, const bool fRecurseOutputs);
bool RemoveFilter(DSFilter &pFilter);
bool IsConnectable(DSPin &pPin1, DSFilter &Mapper, DSFilter &Destination, DSFilterIDList &NewFilters, const DWORD dwFlags, ConnectPred_t ConnPred);
bool IsLoadable(DSPin &pPin1, DSFilterMoniker &Mapper, DSFilter &Destination, DSFilterIDList &IntermediateFilters, const DWORD dwFlags, ConnectPred_t ConnPred);
bool IsPinConnected(const DSPin &pPin1, const DSFilter &pFDestination, DSFilterIDList &IntermediateFilters, const PIN_DIRECTION destdir) const;
// generic recursive build functions
#ifdef ATTEMPT_DIRECT_CONNECT
bool ConnectPinDirect(DSPin &pPin, DSFilter &pFilter2, DWORD dwFlags);
#else
bool HasMediaType(const DSMediaType &LeftMedia, const DSPin &pPinRight) const;
bool HasMedium(const KSPinMedium &Medium1, const DSPin &pPin2) const;
bool HasUnconnectedMedium(const DSPin &pPinLeft, const DSPin &pPin2, int& cUseable) const;
bool HasUnconnectedMediaType(const DSPin &pPinLeft, const DSPin &pPin2, DWORD dwFlags) const;
bool ConnectPinByMedium(DSPin &pPin, DSFilter &pFilter2, DWORD dwFlags);
bool ConnectPinByMediaType(DSPin &pPin1, DSFilter &pFilter1, DWORD dwFlags);
#endif
bool FindPinByMedium(DSPin &pPin, DSFilter &pFilter2, DSFilterIDList &InterediateFilters, const DWORD dwFlags);
bool LoadPinByMedium(KSPinMedium &medium, DSPin &pPinLeft, DSFilter &pFilter2, DSFilterIDList &IntermediateFilters, const DWORD dwFlags);
bool LoadPinByAnyMedium(DSPin &pPin, DSFilter &pFilter2, DSFilterIDList &IntermediateFilters, const DWORD dwFlags);
bool FindPinByMediaType(DSPin &pPin, DSFilter &pFilter2, DSFilterIDList &InterediateFilters, const DWORD dwFlags);
bool LoadPinByMediaType(DSPin &pPin1, DSFilter &pFilter1, DSFilterIDList &IntermediatesAdded, const DWORD dwFlags, const DWORD dwMerit);
bool LoadPinByAnyMediaType(DSPin &pPin, DSFilter &pFilter2, DSFilterIDList &IntermediateFilters, const DWORD dwFlags);
enum {
RENDER_ALL_PINS = 0x01,
IGNORE_EXISTING_CONNECTIONS = 0x02,
DO_NOT_LOAD = 0x04,
ATTEMPT_MERIT_DO_NOT_USE = 0x08,
ATTEMPT_MERIT_UNLIKELY = 0x10,
ALLOW_WILDCARDS = 0x20,
IGNORE_MEDIATYPE_ERRORS = 0x40,
DONT_TERMINATE_ON_RENDERER= 0x80,
BIDIRECTIONAL_MEDIATYPE_MATCHING = 0x100,
}; // render flags
bool ConnectPin(DSPin &pPin1, DSFilter &pFilter2, DSFilterIDList &NewFilters, const DWORD dwFlags, PIN_DIRECTION pin1dir);
bool ConnectPin(DSPin &pPin1, DSFilter &pFilter2, DSFilterList &NewFilters, const DWORD dwFlags, PIN_DIRECTION pin1dir) {
DSFilterIDList AddedIDs;
bool rc = ConnectPin(pPin1, pFilter2, AddedIDs, dwFlags, pin1dir);
if (rc) {
for (DSFilterIDList::iterator i = AddedIDs.begin(); i != AddedIDs.end(); ++i) {
NewFilters.push_back((*i).first);
}
}
return rc;
}
DSFilter LoadFilter(const DSFilterMoniker &pM, CString &csName);
DSFilter AddMoniker(const DSFilterMoniker &pM);
HRESULT AddFilter(DSFilter &pFilter, CString &csName);
DSFilter AddFilter(const CLSID &cls, CString &csName);
bool ConnectFilters(DSFilter &pFilter1, DSFilter &pFilter2, DSFilterIDList &NewIntermediateFilters, const DWORD dwFlags = 0, PIN_DIRECTION pFilter1Direction = DOWNSTREAM);
int BuildGraphPath(const DSFilter& pStart, const DSFilter& pStop,
VWStream &path, MediaMajorTypeList& MediaList, PIN_DIRECTION direction, const DSPin &InitialInput);
HRESULT SetMediaEventNotificationWindow(HWND h, UINT msg, long lInstance) {
// If windowless, WM_MEDIAEVENT is processed by the timer in OnTimer
PQMediaEventEx pme(*this);
if (!pme) {
return E_UNEXPECTED;
}
HRESULT hr = pme->CancelDefaultHandling(EC_STATE_CHANGE);
ASSERT(SUCCEEDED(hr));
return pme->SetNotifyWindow((OAHWND) h, msg, lInstance);
}
};
class DSXBarPin : public DSPin {
public:
DSXBarPin() {}
DSXBarPin(const DSPin &p) : DSPin(p) {
PQCrossbarSwitch px1(GetFilter());
if (!px1) {
THROWCOM(E_FAIL);
}
}
DSXBarPin(const PQPin &p) : DSPin(p) {
PQCrossbarSwitch px1(GetFilter());
if (!px1) {
THROWCOM(E_FAIL);
}
}
DSXBarPin(const DSXBarPin &p) : DSPin(p) {
PQCrossbarSwitch px1(GetFilter());
if (!px1) {
THROWCOM(E_FAIL);
}
}
DSXBarPin(IUnknown *p) : DSPin(p) {
PQCrossbarSwitch px1(GetFilter());
if (!px1) {
THROWCOM(E_FAIL);
}
}
DSXBarPin(IAMCrossbar *p) : DSPin(p) {
PQCrossbarSwitch px1(GetFilter());
if (!px1) {
THROWCOM(E_FAIL);
}
}
#if 0
static const DSXBarPin Find(const CPinPoints &pinpoints, const PQPoint &point, PIN_DIRECTION pindir);
#endif
// static DSPin DSPinFromIndex(const DSFilter XBar, const ULONG index);
const PQPoint GetPoint() const;
bool CanRoute(const DSXBarPin pin2) const;
#if 0
void GetRelations(const CPinPoints &pinpoint,
CString &csName, CString &csType, CString &csRelName) const;
#endif
};
inline DSFilter DSFilterMoniker::GetFilter() const {
DSFilter pFilter;
HRESULT hr = (*this)->BindToObject(0, 0, __uuidof(IBaseFilter), reinterpret_cast<LPVOID *>(&pFilter));
if (FAILED(hr)) {
// undone: it would be useful to dump the mkr display name here....
TRACELSM(TRACE_ERROR, (dbgDump << "DSFilterMoniker::GetFilter() can't bind to object. hr = " << hexdump(hr)), "");
return DSFilter();
}
return pFilter;
}
#ifdef _DEBUG
//void WINAPI DumpGraph(IFilterGraph *pGraph, DWORD dwLevel);
inline tostream &operator<<(tostream &dc, const DSREGPINMEDIUM &g) {
//TRACELM(TRACE_DETAIL, "operator<<(tostream, DSREGPINMEDIUM)");
const GUID2 g2(g.clsMedium);
dc << _T("DSREGPINMEDIUM( ") << g2 << _T(", ") << hexdump(g.dw1) << _T(", ") << hexdump(g.dw2) << _T(")");
return dc;
}
inline tostream& operator<<(tostream &d, const PQPin &pin) {
const CString csPinName(const DSPin(pin).GetName());
d << (csPinName.IsEmpty() ? CString(_T("**** UNKNOWN PIN NAME ****")) : csPinName) << " " << reinterpret_cast<void *>(pin.p);
return d;
}
inline tostream& operator<<(tostream &d, const DSFilter &filt) {
d << filt.GetName() << _T(" ") << reinterpret_cast<void *>(filt.p);
return d;
}
inline tostream& operator<<(tostream &d, const _AMMediaType *pamt) {
d << reinterpret_cast<const void *>(pamt);
if (pamt) {
d << _T(" major = ") << GUID2(pamt->majortype) << _T(" sub = ") << GUID2(pamt->subtype);
}
return d;
}
inline tostream& operator<<(tostream &d, const PQPoint &p) {
const DSFilter pF(p.first);
d << _T("PQPoint( ") << pF << _T(", ") << p.second << _T(")");
return d;
}
inline tostream& operator<<(tostream &d, const CIOPoint &p) {
d << _T("CIOPoint( ") << p.first << _T(", ") << p.second << _T(")");
return d;
}
void DumpMediaTypes(DSPin &p1, DSPin &p2);
#endif
inline bool _cdecl operator==(const CString &cs, const DSFilterSequence& pF) {
// filter name
FILTER_INFO fi;
HRESULT hr = pF->QueryFilterInfo(&fi);
if (SUCCEEDED(hr)) {
USES_CONVERSION;
if (fi.pGraph) fi.pGraph->Release();
return (cs == OLE2T(fi.achName));
}
return false;
}
inline bool _cdecl operator!=(const CString &cs, const DSFilterSequence& pF) {
return !(cs == pF);
}
inline bool _cdecl operator==(const DSFilterSequence& pF, const CString &cs) {
return (cs == pF);
}
inline bool _cdecl operator!=(const DSFilterSequence& pF, const CString &cs) {
return !(cs == pF);
}
inline bool _cdecl operator==(const CLSID &cls, const DSFilterSequence& pF) {
// filter name
CLSID cid;
HRESULT hr = pF->GetClassID(&cid);
if (SUCCEEDED(hr)) {
#pragma warning(disable: 4800)
return (cid == cls);
#pragma warning(default: 4800)
}
return false;
}
inline bool _cdecl operator!=(const CLSID &cls, const DSFilterSequence& pF) {
return !(cls == pF);
}
inline bool _cdecl operator==(const DSFilterSequence& pF, const CLSID &cls) {
return (cls == pF);
}
inline bool _cdecl operator!=(const DSFilterSequence& pF, const CLSID &cls) {
return !(cls == pF);
}
typedef enum {
tempAMPROPERTY_OvMixerOwner = 0x01 //use AMOVMIXEROWNER
} tempAMPROPERTY_NOTIFYOWNER;
typedef enum {
tempAM_OvMixerOwner_Unknown = 0x01,
tempAM_OvMixerOwner_BPC = 0x02
} tempAMOVMIXEROWNER;
inline bool DSPin::IsKsProxied() const {
return GetFilter().IsKsProxied();
}
inline bool DSFilter::IsXBar() const {
PQCrossbarSwitch px(*this);
TRACELSM(TRACE_PAINT, (dbgDump << "DSFilter::IsXBar() " << *this << " is " << ((!px) ? " not " : "")), "crossbar");
return !!px;
}
void CtorStaticDSExtendFwdSeqPMFs(void);
void DtorStaticDSExtendFwdSeqPMFs(void);
bool IsVideoFilter(const DSFilter& f);
bool IsVideoPin(const DSPin& p);
inline PIN_DIRECTION OppositeDirection(PIN_DIRECTION pd) {
if (pd == PINDIR_INPUT) {
return PINDIR_OUTPUT;
} else {
return PINDIR_INPUT;
}
}
inline bool IsVideoMediaType(const DSMediaType& mt) {
GUID2 g(mt.p->majortype);
if ((g == MEDIATYPE_Video) || (g == MEDIATYPE_AnalogVideo)) {
return true;
}
return false;
}
inline bool IsAnalogVideoCapture(const DSFilter &f) {
return !!PQAnalogVideoDecoder(f);
}
inline bool IsIPSink(const DSFilter &f) {
return !!PQBDA_IPSinkControl(f);
}
inline bool IsVPM(const DSFilter &f) {
return f.ClassID() == CLSID_VideoPortManager;
}
inline bool IsVideoRenderer(const DSFilter &f) {
return f.ClassID() == CLSID_VideoMixingRenderer;
}
inline bool IsDigitalAudioRenderer(const DSFilter &f) {
return f.ClassID() == CLSID_DSoundRender;
}
inline bool IsAnalogVideoCaptureViewingPin(const DSPin &p) {
GUID2 pincat;
p.GetCategory(pincat);
return (pincat == PIN_CATEGORY_VIDEOPORT || pincat == PIN_CATEGORY_CAPTURE);
}
inline bool IsAnalogVideoCapturePreviewPin(const DSPin &p) {
GUID2 pincat;
p.GetCategory(pincat);
return (pincat == PIN_CATEGORY_PREVIEW);
}
inline bool IsDVDNavigator(const DSFilter &f) {
return !!PQDVDNavigator(f);
}
inline bool IsL21Decoder(const DSFilter &f) {
return !!PQLine21Decoder(f);
}
inline bool IsDVDNavigatorVideoOutPin(const DSPin &p) {
DSPin::iterator iMediaType;
for (iMediaType = p.begin(); iMediaType != p.end(); ++iMediaType) {
DSMediaType mt(*iMediaType);
if ((mt.p->majortype == MEDIATYPE_MPEG2_PES ||
mt.p->majortype == MEDIATYPE_DVD_ENCRYPTED_PACK ) &&
mt.p->subtype == MEDIASUBTYPE_MPEG2_VIDEO)
return true;
// elementary stream
if ((mt.p->majortype == MEDIATYPE_Video) &&
(mt.p->subtype == MEDIASUBTYPE_MPEG2_VIDEO ||
mt.p->subtype == MEDIASUBTYPE_RGB8 ||
mt.p->subtype == MEDIASUBTYPE_RGB565 ||
mt.p->subtype == MEDIASUBTYPE_RGB555 ||
mt.p->subtype == MEDIASUBTYPE_RGB24 ||
mt.p->subtype == MEDIASUBTYPE_RGB32))
return true;
}
return false;
}
inline bool IsDVDNavigatorSubpictureOutPin(const DSPin &p) {
DSPin::iterator iMediaType;
for (iMediaType = p.begin(); iMediaType != p.end(); ++iMediaType) {
DSMediaType mt(*iMediaType);
if ((mt.p->majortype == MEDIATYPE_MPEG2_PES ||
mt.p->majortype == MEDIATYPE_DVD_ENCRYPTED_PACK ) &&
mt.p->subtype == MEDIASUBTYPE_DVD_SUBPICTURE)
return true;
// elementary stream
if ((mt.p->majortype == MEDIATYPE_Video) &&
mt.p->subtype == MEDIASUBTYPE_DVD_SUBPICTURE)
return true;
}
return false;
}
///////// DSPin
inline HRESULT DSPin::IntelligentConnect(DSFilter& Filter1, DSFilterList &intermediates, const DWORD dwFlags, const PIN_DIRECTION pd) {
bool rc = GetGraph().ConnectPin(*this, Filter1, intermediates, dwFlags, pd);
if (rc) {
return NOERROR;
}
return E_FAIL;
}
inline DSFilter DSPin::GetFilter(void) const {
PIN_INFO pinfo;
HRESULT hr = (*this)->QueryPinInfo(&pinfo);
if (FAILED(hr)) {
return DSFilter();
}
DSFilter pRet;
pRet.p = pinfo.pFilter; // directly transfer ownership of ref count
return pRet;
}
inline DSGraph DSPin::GetGraph(void) const {
DSFilter f = GetFilter();
return f.GetGraph();
}
inline bool DSPin::HasCategory(const GUID2 &clsCategory) const {
TRACELSM(TRACE_DETAIL, (dbgDump << "DSPin::IsPinCategory() pin = " << this), "");
GUID2 pincat2;
GetCategory(pincat2);
return clsCategory == pincat2;
}
#endif
// end of file - dsextend.h
Reference in a new issue Copy permalink