Inheritance diagram for CMediaSample:

Collaboration diagram for CMediaSample:

[legend]

Public Member Functions
STDMETHODIMP	QueryInterface (REFIID InterfaceId, PVOID *Interface)

	STDMETHODIMP_ (ULONG) AddRef()

	STDMETHODIMP_ (ULONG) Release()

HRESULT STDMETHODCALLTYPE	GetPointer (BYTE **ppBuffer)

long STDMETHODCALLTYPE	GetSize (void)

HRESULT STDMETHODCALLTYPE	GetTime (REFERENCE_TIME pTimeStart, REFERENCE_TIME pTimeEnd)

HRESULT STDMETHODCALLTYPE	SetTime (REFERENCE_TIME pTimeStart, REFERENCE_TIME pTimeEnd)

HRESULT STDMETHODCALLTYPE	IsSyncPoint ()

HRESULT STDMETHODCALLTYPE	SetSyncPoint (BOOL bIsSyncPoint)

HRESULT STDMETHODCALLTYPE	IsPreroll ()

HRESULT STDMETHODCALLTYPE	SetPreroll (BOOL bIsPreroll)

long STDMETHODCALLTYPE	GetActualDataLength ()

HRESULT STDMETHODCALLTYPE	SetActualDataLength (long Length)

HRESULT STDMETHODCALLTYPE	GetMediaType (AM_MEDIA_TYPE **ppMediaType)

HRESULT STDMETHODCALLTYPE	SetMediaType (AM_MEDIA_TYPE *pMediaType)

HRESULT STDMETHODCALLTYPE	IsDiscontinuity ()

HRESULT STDMETHODCALLTYPE	SetDiscontinuity (BOOL bDiscontinuity)

HRESULT STDMETHODCALLTYPE	GetMediaTime (LONGLONG pTimeStart, LONGLONG pTimeEnd)

HRESULT STDMETHODCALLTYPE	SetMediaTime (LONGLONG pTimeStart, LONGLONG pTimeEnd)

	CMediaSample (IMemAllocator Allocator, BYTE Buffer, LONG BufferSize)

virtual	~CMediaSample ()

Public Member Functions inherited from IMediaSample
HRESULT	GetPointer ([out] BYTE **ppBuffer)

long	GetSize (void)

HRESULT	GetTime ([out] REFERENCE_TIME pTimeStart, [out] REFERENCE_TIME pTimeEnd)

HRESULT	SetTime ([in] REFERENCE_TIME pTimeStart, [in] REFERENCE_TIME pTimeEnd)

HRESULT	IsSyncPoint (void)

HRESULT	SetSyncPoint (BOOL bIsSyncPoint)

HRESULT	IsPreroll (void)

HRESULT	SetPreroll (BOOL bIsPreroll)

LONG	GetActualDataLength (void)

HRESULT	SetActualDataLength (LONG length)

HRESULT	GetMediaType (AM_MEDIA_TYPE **ppMediaType)

HRESULT	SetMediaType (AM_MEDIA_TYPE *pMediaType)

HRESULT	IsDiscontinuity (void)

HRESULT	SetDiscontinuity (BOOL bDiscontinuity)

HRESULT	GetMediaTime ([out] LONGLONG pTimeStart, [out] LONGLONG pTimeEnd)

HRESULT	SetMediaTime ([in] LONGLONG pTimeStart, [in] LONGLONG pTimeEnd)

Public Member Functions inherited from IUnknown
HRESULT	QueryInterface ([in] REFIID riid, [out, iid_is(riid)] void **ppvObject)

ULONG	AddRef ()

ULONG	Release ()

Public Attributes
LONG	m_Ref

BOOL	m_bMediaTimeValid

Protected Attributes
ULONG	m_Flags

ULONG	m_TypeFlags

BYTE *	m_Buffer

LONG	m_ActualLength

LONG	m_BufferSize

IMemAllocator *	m_Allocator

CMediaSample *	m_Next

REFERENCE_TIME	m_StartTime

REFERENCE_TIME	m_StopTime

LONGLONG	m_MediaStart

LONGLONG	m_MediaStop

AM_MEDIA_TYPE *	m_MediaType

ULONG	m_StreamId

Additional Inherited Members
Public Types inherited from IUnknown
typedef IUnknown *	LPUNKNOWN

Detailed Description

Definition at line 11 of file mediasample.cpp.

Constructor & Destructor Documentation

◆ CMediaSample()

CMediaSample::CMediaSample	(	IMemAllocator *	Allocator,
		BYTE *	Buffer,
		LONG	BufferSize
	)

Definition at line 80 of file mediasample.cpp.

                     :
                       m_Flags(0),
                       m_TypeFlags(0),
                       m_Buffer(Buffer),
                       m_ActualLength(BufferSize),
                       m_BufferSize(BufferSize),
                       m_Allocator(Allocator),
                       m_Next(0),
                       m_StartTime(0),
                       m_StopTime(0),
                       m_MediaStart(0),
                       m_MediaStop(0),
                       m_MediaType(0),
                       m_StreamId(0),
                       m_Ref(0),
                       m_bMediaTimeValid(0)
{
}

◆ ~CMediaSample()

virtual CMediaSample::~CMediaSample ( )

inlinevirtual

Definition at line 55 of file mediasample.cpp.

55{}

Member Function Documentation

◆ GetActualDataLength()

long STDMETHODCALLTYPE CMediaSample::GetActualDataLength ( void )

Implements IMediaSample.

Definition at line 247 of file mediasample.cpp.

{
    return m_ActualLength;
}

◆ GetMediaTime()

HRESULT STDMETHODCALLTYPE CMediaSample::GetMediaTime	(	LONGLONG *	pTimeStart,
		LONGLONG *	pTimeEnd
	)

Implements IMediaSample.

Definition at line 307 of file mediasample.cpp.

{
    if (!pTimeStart || !pTimeEnd)
        return E_POINTER;
 
    if (!m_bMediaTimeValid)
        return VFW_E_MEDIA_TIME_NOT_SET;
 
    m_MediaStart = *pTimeStart;
    m_MediaStop = *pTimeEnd;
 
    return NOERROR;
}

◆ GetMediaType()

HRESULT STDMETHODCALLTYPE CMediaSample::GetMediaType ( AM_MEDIA_TYPE ** ppMediaType )

Definition at line 265 of file mediasample.cpp.

{
    if (!m_MediaType)
    {
        *ppMediaType = NULL;
        return S_FALSE;
    }
 
    assert(0);
    return E_NOTIMPL;
}

◆ GetPointer()

HRESULT STDMETHODCALLTYPE CMediaSample::GetPointer ( BYTE ** ppBuffer )

Implements IMediaSample.

Definition at line 133 of file mediasample.cpp.

{
    if (!ppBuffer)
        return E_POINTER;
 
    *ppBuffer = m_Buffer;
    return S_OK;
}

◆ GetSize()

long STDMETHODCALLTYPE CMediaSample::GetSize ( void )

Implements IMediaSample.

Definition at line 145 of file mediasample.cpp.

{
    return m_BufferSize;
}

◆ GetTime()

HRESULT STDMETHODCALLTYPE CMediaSample::GetTime	(	REFERENCE_TIME *	pTimeStart,
		REFERENCE_TIME *	pTimeEnd
	)

Implements IMediaSample.

Definition at line 152 of file mediasample.cpp.

{
    HRESULT hr;
 
    if (!pTimeStart || !pTimeEnd)
        return E_POINTER;
 
    if (!(m_Flags & (AM_SAMPLE_TIMEVALID | AM_SAMPLE_STOPVALID)))
    {
        // no time is set
        return VFW_E_SAMPLE_TIME_NOT_SET;
    }
 
    *pTimeStart = m_StartTime;
 
    if (m_Flags & AM_SAMPLE_STOPVALID)
    {
        *pTimeEnd = m_StopTime;
        hr = NOERROR;
    }
    else
    {
        *pTimeEnd = m_StartTime + 1;
        hr = VFW_S_NO_STOP_TIME;
    }
    return hr;
}

◆ IsDiscontinuity()

HRESULT STDMETHODCALLTYPE CMediaSample::IsDiscontinuity ( void )

Implements IMediaSample.

Definition at line 288 of file mediasample.cpp.

{
    return (m_Flags & AM_SAMPLE_DATADISCONTINUITY) ? S_OK : S_FALSE;
}

◆ IsPreroll()

HRESULT STDMETHODCALLTYPE CMediaSample::IsPreroll ( void )

Implements IMediaSample.

Definition at line 228 of file mediasample.cpp.

{
    return (m_Flags & AM_SAMPLE_PREROLL) ? S_OK : S_FALSE;
}

◆ IsSyncPoint()

HRESULT STDMETHODCALLTYPE CMediaSample::IsSyncPoint ( void )

Implements IMediaSample.

Definition at line 210 of file mediasample.cpp.

{
    return (m_Flags & AM_SAMPLE_SPLICEPOINT) ? S_OK : S_FALSE;
}

◆ QueryInterface()

HRESULT STDMETHODCALLTYPE CMediaSample::QueryInterface	(	REFIID	InterfaceId,
		PVOID *	Interface
	)

Definition at line 105 of file mediasample.cpp.

{
    if (IsEqualGUID(refiid, IID_IUnknown) ||
        IsEqualGUID(refiid, IID_IMediaSample))
    {
        *Output = PVOID(this);
        reinterpret_cast<IMediaSample*>(*Output)->AddRef();
        return NOERROR;
    }
    if (IsEqualGUID(refiid, IID_IMediaSample2))
    {
#if 0
        *Output = (IMediaSample2*)(this);
        reinterpret_cast<IMediaSample2*>(*Output)->AddRef();
        return NOERROR;
#endif
    }
 
    return E_NOINTERFACE;
}

◆ SetActualDataLength()

HRESULT STDMETHODCALLTYPE CMediaSample::SetActualDataLength ( long Length )

Implements IMediaSample.

Definition at line 254 of file mediasample.cpp.

{
    if (Length > m_BufferSize)
        return VFW_E_BUFFER_OVERFLOW;
 
    m_ActualLength = Length;
    return NOERROR;
}

◆ SetDiscontinuity()

HRESULT STDMETHODCALLTYPE CMediaSample::SetDiscontinuity ( BOOL bDiscontinuity )

Implements IMediaSample.

Definition at line 295 of file mediasample.cpp.

{
    if (bDiscontinuity)
        m_Flags |= AM_SAMPLE_DATADISCONTINUITY;
    else
        m_Flags &= ~AM_SAMPLE_DATADISCONTINUITY;
 
    return NOERROR;
}

◆ SetMediaTime()

HRESULT STDMETHODCALLTYPE CMediaSample::SetMediaTime	(	LONGLONG *	pTimeStart,
		LONGLONG *	pTimeEnd
	)

Implements IMediaSample.

Definition at line 323 of file mediasample.cpp.

{
    if (!pTimeStart || !pTimeEnd)
    {
        m_bMediaTimeValid = false;
        return NOERROR;
    }
 
    m_MediaStart = *pTimeStart;
    m_MediaStop = *pTimeEnd;
 
    return NOERROR;
}

◆ SetMediaType()

HRESULT STDMETHODCALLTYPE CMediaSample::SetMediaType ( AM_MEDIA_TYPE * pMediaType )

Definition at line 279 of file mediasample.cpp.

{
    OutputDebugStringW(L"CMediaSample::SetMediaType NotImplemented\n");
    return E_NOTIMPL;
}

◆ SetPreroll()

HRESULT STDMETHODCALLTYPE CMediaSample::SetPreroll ( BOOL bIsPreroll )

Implements IMediaSample.

Definition at line 235 of file mediasample.cpp.

{
    if (bIsPreroll)
        m_Flags |= AM_SAMPLE_PREROLL;
    else
        m_Flags &= ~AM_SAMPLE_PREROLL;
 
    return NOERROR;
}

◆ SetSyncPoint()

HRESULT STDMETHODCALLTYPE CMediaSample::SetSyncPoint ( BOOL bIsSyncPoint )

Implements IMediaSample.

Definition at line 216 of file mediasample.cpp.

{
    if (bIsSyncPoint)
        m_Flags |= AM_SAMPLE_SPLICEPOINT;
    else
        m_Flags &= ~AM_SAMPLE_SPLICEPOINT;
 
    return NOERROR;
}

◆ SetTime()

HRESULT STDMETHODCALLTYPE CMediaSample::SetTime	(	REFERENCE_TIME *	pTimeStart,
		REFERENCE_TIME *	pTimeEnd
	)

Implements IMediaSample.

Definition at line 184 of file mediasample.cpp.

{
    if (!pTimeStart)
    {
        m_Flags &= ~(AM_SAMPLE_TIMEVALID | AM_SAMPLE_STOPVALID);
        return NOERROR;
    }
 
    if (!pTimeEnd)
    {
        m_Flags &= ~(AM_SAMPLE_STOPVALID);
        m_Flags |= AM_SAMPLE_TIMEVALID;
        m_StartTime = *pTimeStart;
        return NOERROR;
    }
 
 
    m_Flags |= (AM_SAMPLE_TIMEVALID | AM_SAMPLE_STOPVALID);
    m_StartTime = *pTimeStart;
    m_StopTime = *pTimeEnd;
 
    return NOERROR;
}

◆ STDMETHODIMP_() [1/2]

CMediaSample::STDMETHODIMP_ ( ULONG )

inline

Definition at line 16 of file mediasample.cpp.

    {
        InterlockedIncrement(&m_Ref);
        return m_Ref;
    }

◆ STDMETHODIMP_() [2/2]

CMediaSample::STDMETHODIMP_ ( ULONG )

inline

Definition at line 21 of file mediasample.cpp.

    {
        InterlockedDecrement(&m_Ref);
        if (!m_Ref)
        {
            if (m_Allocator)
            {
                m_Allocator->ReleaseBuffer((IMediaSample*)this);
                return 0;
            }
            delete this;
            return 0;
        }
        return m_Ref;
    }

Member Data Documentation

◆ m_ActualLength

LONG CMediaSample::m_ActualLength

protected

Definition at line 61 of file mediasample.cpp.

Referenced by GetActualDataLength(), and SetActualDataLength().

◆ m_Allocator

IMemAllocator* CMediaSample::m_Allocator

protected

Definition at line 63 of file mediasample.cpp.

Referenced by STDMETHODIMP_().

◆ m_bMediaTimeValid

BOOL CMediaSample::m_bMediaTimeValid

Definition at line 75 of file mediasample.cpp.

Referenced by GetMediaTime(), and SetMediaTime().

◆ m_Buffer

BYTE* CMediaSample::m_Buffer

protected

Definition at line 60 of file mediasample.cpp.

Referenced by GetPointer().

◆ m_BufferSize

LONG CMediaSample::m_BufferSize

protected

Definition at line 62 of file mediasample.cpp.

Referenced by GetSize(), and SetActualDataLength().

◆ m_Flags

ULONG CMediaSample::m_Flags

protected

Definition at line 58 of file mediasample.cpp.

Referenced by GetTime(), IsDiscontinuity(), IsPreroll(), IsSyncPoint(), SetDiscontinuity(), SetPreroll(), SetSyncPoint(), and SetTime().

◆ m_MediaStart

LONGLONG CMediaSample::m_MediaStart

protected

Definition at line 67 of file mediasample.cpp.

Referenced by GetMediaTime(), and SetMediaTime().

◆ m_MediaStop

LONGLONG CMediaSample::m_MediaStop

protected

Definition at line 68 of file mediasample.cpp.

Referenced by GetMediaTime(), and SetMediaTime().

◆ m_MediaType

AM_MEDIA_TYPE* CMediaSample::m_MediaType

protected

Definition at line 69 of file mediasample.cpp.

Referenced by GetMediaType().

◆ m_Next

CMediaSample* CMediaSample::m_Next

protected

Definition at line 64 of file mediasample.cpp.

◆ m_Ref

LONG CMediaSample::m_Ref

Definition at line 73 of file mediasample.cpp.

Referenced by STDMETHODIMP_().

◆ m_StartTime

REFERENCE_TIME CMediaSample::m_StartTime

protected

Definition at line 65 of file mediasample.cpp.

Referenced by GetTime(), and SetTime().

◆ m_StopTime

REFERENCE_TIME CMediaSample::m_StopTime

protected

Definition at line 66 of file mediasample.cpp.

Referenced by GetTime(), and SetTime().

◆ m_StreamId

ULONG CMediaSample::m_StreamId

protected

Definition at line 70 of file mediasample.cpp.

◆ m_TypeFlags

ULONG CMediaSample::m_TypeFlags

protected

Definition at line 59 of file mediasample.cpp.

The documentation for this class was generated from the following file:

dll/directx/ksproxy/mediasample.cpp

Public Member Functions

Public Attributes

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CMediaSample()

◆ ~CMediaSample()

Member Function Documentation

◆ GetActualDataLength()

◆ GetMediaTime()

◆ GetMediaType()

◆ GetPointer()

◆ GetSize()

◆ GetTime()

◆ IsDiscontinuity()

◆ IsPreroll()

◆ IsSyncPoint()

◆ QueryInterface()

◆ SetActualDataLength()

◆ SetDiscontinuity()

◆ SetMediaTime()

◆ SetMediaType()

◆ SetPreroll()

◆ SetSyncPoint()

◆ SetTime()

◆ STDMETHODIMP_() [1/2]

◆ STDMETHODIMP_() [2/2]

Member Data Documentation

◆ m_ActualLength

◆ m_Allocator

◆ m_bMediaTimeValid

◆ m_Buffer

◆ m_BufferSize

◆ m_Flags

◆ m_MediaStart

◆ m_MediaStop

◆ m_MediaType

◆ m_Next

◆ m_Ref

◆ m_StartTime

◆ m_StopTime

◆ m_StreamId

◆ m_TypeFlags