parser.h File Reference

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Classes
struct	ParserImpl
struct	Parser_OutputPin

Typedefs
typedef struct ParserImpl	ParserImpl
typedef HRESULT(*	PFN_PROCESS_SAMPLE) (LPVOID iface, IMediaSample *pSample, DWORD_PTR cookie)
typedef HRESULT(*	PFN_QUERY_ACCEPT) (LPVOID iface, const AM_MEDIA_TYPE *pmt)
typedef HRESULT(*	PFN_PRE_CONNECT) (IPin *iface, IPin *pConnectPin, ALLOCATOR_PROPERTIES *prop)
typedef HRESULT(*	PFN_CLEANUP) (LPVOID iface)
typedef HRESULT(*	PFN_DISCONNECT) (LPVOID iface)
typedef struct Parser_OutputPin	Parser_OutputPin

Functions
HRESULT	Parser_AddPin (ParserImpl *This, const PIN_INFO *piOutput, ALLOCATOR_PROPERTIES *props, const AM_MEDIA_TYPE *amt)
HRESULT	Parser_Create (ParserImpl *, const IBaseFilterVtbl *, const CLSID *, PFN_PROCESS_SAMPLE, PFN_QUERY_ACCEPT, PFN_PRE_CONNECT, PFN_CLEANUP, PFN_DISCONNECT, REQUESTPROC, STOPPROCESSPROC, SourceSeeking_ChangeStop stop, SourceSeeking_ChangeStart start, SourceSeeking_ChangeRate rate)
void	Parser_Destroy (ParserImpl *This)
HRESULT WINAPI	Parser_QueryInterface (IBaseFilter *iface, REFIID riid, LPVOID *ppv)
ULONG WINAPI	Parser_AddRef (IBaseFilter *iface)
ULONG WINAPI	Parser_Release (IBaseFilter *iface)
HRESULT WINAPI	Parser_GetClassID (IBaseFilter *iface, CLSID *pClsid)
HRESULT WINAPI	Parser_Stop (IBaseFilter *iface)
HRESULT WINAPI	Parser_Pause (IBaseFilter *iface)
HRESULT WINAPI	Parser_Run (IBaseFilter *iface, REFERENCE_TIME tStart)
HRESULT WINAPI	Parser_GetState (IBaseFilter *iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState)
HRESULT WINAPI	Parser_SetSyncSource (IBaseFilter *iface, IReferenceClock *pClock)
HRESULT WINAPI	Parser_GetSyncSource (IBaseFilter *iface, IReferenceClock **ppClock)
HRESULT WINAPI	Parser_EnumPins (IBaseFilter *iface, IEnumPins **ppEnum)
HRESULT WINAPI	Parser_FindPin (IBaseFilter *iface, LPCWSTR Id, IPin **ppPin)
HRESULT WINAPI	Parser_QueryFilterInfo (IBaseFilter *iface, FILTER_INFO *pInfo)
HRESULT WINAPI	Parser_JoinFilterGraph (IBaseFilter *iface, IFilterGraph *pGraph, LPCWSTR pName)
HRESULT WINAPI	Parser_QueryVendorInfo (IBaseFilter *iface, LPWSTR *pVendorInfo)
static Parser_OutputPin *	unsafe_impl_Parser_OutputPin_from_IPin (IPin *iface)

Typedef Documentation

Parser_OutputPin

typedef struct Parser_OutputPin Parser_OutputPin

ParserImpl

typedef struct ParserImpl ParserImpl

Definition at line 23 of file parser.h.

PFN_CLEANUP

typedef HRESULT(* PFN_CLEANUP) (LPVOID iface)

Definition at line 28 of file parser.h.

PFN_DISCONNECT

typedef HRESULT(* PFN_DISCONNECT) (LPVOID iface)

Definition at line 29 of file parser.h.

PFN_PRE_CONNECT

typedef HRESULT(* PFN_PRE_CONNECT) (IPin *iface, IPin *pConnectPin, ALLOCATOR_PROPERTIES *prop)

Definition at line 27 of file parser.h.

PFN_PROCESS_SAMPLE

typedef HRESULT(* PFN_PROCESS_SAMPLE) (LPVOID iface, IMediaSample *pSample, DWORD_PTR cookie)

Definition at line 25 of file parser.h.

PFN_QUERY_ACCEPT

typedef HRESULT(* PFN_QUERY_ACCEPT) (LPVOID iface, const AM_MEDIA_TYPE *pmt)

Definition at line 26 of file parser.h.

Function Documentation

Parser_AddPin()

HRESULT Parser_AddPin	(	ParserImpl *	This,
		const PIN_INFO *	piOutput,
		ALLOCATOR_PROPERTIES *	props,
		const AM_MEDIA_TYPE *	amt
	)

Definition at line 446 of file parser.c.

{
    IPin ** ppOldPins;
    HRESULT hr;
 
    ppOldPins = This->ppPins;
 
    This->ppPins = CoTaskMemAlloc((This->cStreams + 2) * sizeof(IPin *));
    memcpy(This->ppPins, ppOldPins, (This->cStreams + 1) * sizeof(IPin *));
 
    hr = BaseOutputPin_Construct(&Parser_OutputPin_Vtbl, sizeof(Parser_OutputPin), piOutput, &output_BaseOutputFuncTable, &This->filter.csFilter, This->ppPins + (This->cStreams + 1));
 
    if (SUCCEEDED(hr))
    {
        IPin *pPin = This->ppPins[This->cStreams + 1];
        Parser_OutputPin *pin = unsafe_impl_Parser_OutputPin_from_IPin(pPin);
        pin->pmt = CoTaskMemAlloc(sizeof(AM_MEDIA_TYPE));
        CopyMediaType(pin->pmt, amt);
        pin->dwSamplesProcessed = 0;
 
        pin->pin.pin.pinInfo.pFilter = &This->filter.IBaseFilter_iface;
        pin->allocProps = *props;
        This->cStreams++;
        BaseFilterImpl_IncrementPinVersion(&This->filter);
        CoTaskMemFree(ppOldPins);
    }
    else
    {
        CoTaskMemFree(This->ppPins);
        This->ppPins = ppOldPins;
        ERR("Failed with error %x\n", hr);
    }
 
    return hr;
}

Referenced by AVISplitter_ProcessStreamList(), MPEGSplitter_pre_connect(), and WAVEParser_InputPin_PreConnect().

Parser_AddRef()

ULONG WINAPI Parser_AddRef

(

IBaseFilter *

iface

)

Definition at line 171 of file parser.c.

{
    return BaseFilterImpl_AddRef(iface);
}

Parser_Create()

HRESULT Parser_Create	(	ParserImpl *	pParser,
		const IBaseFilterVtbl *	Parser_Vtbl,
		const CLSID *	pClsid,
		PFN_PROCESS_SAMPLE	fnProcessSample,
		PFN_QUERY_ACCEPT	fnQueryAccept,
		PFN_PRE_CONNECT	fnPreConnect,
		PFN_CLEANUP	fnCleanup,
		PFN_DISCONNECT	fnDisconnect,
		REQUESTPROC	fnRequest,
		STOPPROCESSPROC	fnDone,
		SourceSeeking_ChangeStop	stop,
		SourceSeeking_ChangeStart	start,
		SourceSeeking_ChangeRate	rate
	)

Definition at line 96 of file parser.c.

{
    HRESULT hr;
    PIN_INFO piInput;
 
    /* pTransformFilter is already allocated */
    BaseFilter_Init(&pParser->filter, Parser_Vtbl, pClsid, (DWORD_PTR)(__FILE__ ": ParserImpl.csFilter"), &BaseFuncTable);
 
    pParser->fnDisconnect = fnDisconnect;
 
    pParser->cStreams = 0;
    pParser->ppPins = CoTaskMemAlloc(1 * sizeof(IPin *));
 
    /* construct input pin */
    piInput.dir = PINDIR_INPUT;
    piInput.pFilter = &pParser->filter.IBaseFilter_iface;
    lstrcpynW(piInput.achName, wcsInputPinName, sizeof(piInput.achName) / sizeof(piInput.achName[0]));
 
    if (!start)
        start = Parser_ChangeStart;
 
    if (!stop)
        stop = Parser_ChangeStop;
 
    if (!rate)
        rate = Parser_ChangeRate;
 
    SourceSeeking_Init(&pParser->sourceSeeking, &Parser_Seeking_Vtbl, stop, start, rate,  &pParser->filter.csFilter);
 
    hr = PullPin_Construct(&Parser_InputPin_Vtbl, &piInput, fnProcessSample, (LPVOID)pParser, fnQueryAccept, fnCleanup, fnRequest, fnDone, &pParser->filter.csFilter, (IPin **)&pParser->pInputPin);
 
    if (SUCCEEDED(hr))
    {
        pParser->ppPins[0] = &pParser->pInputPin->pin.IPin_iface;
        pParser->pInputPin->fnPreConnect = fnPreConnect;
    }
    else
    {
        CoTaskMemFree(pParser->ppPins);
        BaseFilterImpl_Release(&pParser->filter.IBaseFilter_iface);
        CoTaskMemFree(pParser);
    }
 
    return hr;
}

Referenced by AVISplitter_create(), MPEGSplitter_create(), and WAVEParser_create().

Parser_Destroy()

void Parser_Destroy

(

ParserImpl *

This

)

Definition at line 176 of file parser.c.

{
    IPin *connected = NULL;
    ULONG pinref;
    HRESULT hr;
 
    assert(!This->filter.refCount);
    PullPin_WaitForStateChange(This->pInputPin, INFINITE);
 
    /* Don't need to clean up output pins, freeing input pin will do that */
    IPin_ConnectedTo(&This->pInputPin->pin.IPin_iface, &connected);
    if (connected)
    {
        hr = IPin_Disconnect(connected);
        assert(hr == S_OK);
        IPin_Release(connected);
        hr = IPin_Disconnect(&This->pInputPin->pin.IPin_iface);
        assert(hr == S_OK);
    }
    pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
    if (pinref)
    {
        /* Valgrind could find this, if I kill it here */
        ERR("pinref should be null, is %u, destroying anyway\n", pinref);
        assert((LONG)pinref > 0);
 
        while (pinref)
            pinref = IPin_Release(&This->pInputPin->pin.IPin_iface);
    }
 
    CoTaskMemFree(This->ppPins);
    BaseFilter_Destroy(&This->filter);
 
    TRACE("Destroying parser\n");
    CoTaskMemFree(This);
}

Referenced by AVISplitter_Release(), and Parser_Release().

Parser_EnumPins()

HRESULT WINAPI Parser_EnumPins	(	IBaseFilter *	iface,
		IEnumPins **	ppEnum
	)

IBaseFilter implementation

Definition at line 404 of file parser.c.

{
    return BaseFilterImpl_EnumPins(iface,ppEnum);
}

Parser_FindPin()

HRESULT WINAPI Parser_FindPin	(	IBaseFilter *	iface,
		LPCWSTR	Id,
		IPin **	ppPin
	)

Definition at line 409 of file parser.c.

{
    ParserImpl *This = impl_from_IBaseFilter(iface);
    FIXME("(%p)->(%s,%p)\n", This, debugstr_w(Id), ppPin);
 
    /* FIXME: critical section */
 
    return E_NOTIMPL;
}

Parser_GetClassID()

HRESULT WINAPI Parser_GetClassID	(	IBaseFilter *	iface,
		CLSID *	pClsid
	)

IPersist methods

Definition at line 228 of file parser.c.

{
    ParserImpl *This = impl_from_IBaseFilter(iface);
 
    TRACE("%p->(%p)\n", This, pClsid);
 
    *pClsid = This->filter.clsid;
 
    return S_OK;
}

Parser_GetState()

HRESULT WINAPI Parser_GetState	(	IBaseFilter *	iface,
		DWORD	dwMilliSecsTimeout,
		FILTER_STATE *	pState
	)

Definition at line 361 of file parser.c.

{
    ParserImpl *This = impl_from_IBaseFilter(iface);
    PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
    HRESULT hr = S_OK;
 
    TRACE("%p->(%d, %p)\n", This, dwMilliSecsTimeout, pState);
 
    EnterCriticalSection(&pin->thread_lock);
    EnterCriticalSection(&This->filter.csFilter);
    {
        *pState = This->filter.state;
    }
    LeaveCriticalSection(&This->filter.csFilter);
 
    if (This->pInputPin && (PullPin_WaitForStateChange(This->pInputPin, dwMilliSecsTimeout) == S_FALSE))
        hr = VFW_S_STATE_INTERMEDIATE;
    LeaveCriticalSection(&pin->thread_lock);
 
    return hr;
}

Parser_GetSyncSource()

HRESULT WINAPI Parser_GetSyncSource	(	IBaseFilter *	iface,
		IReferenceClock **	ppClock
	)

Definition at line 397 of file parser.c.

{
    return BaseFilterImpl_GetSyncSource(iface, ppClock);
}

Parser_JoinFilterGraph()

HRESULT WINAPI Parser_JoinFilterGraph	(	IBaseFilter *	iface,
		IFilterGraph *	pGraph,
		LPCWSTR	pName
	)

Definition at line 424 of file parser.c.

{
    return BaseFilterImpl_JoinFilterGraph(iface, pGraph, pName);
}

Parser_Pause()

HRESULT WINAPI Parser_Pause

(

IBaseFilter *

iface

)

Definition at line 279 of file parser.c.

{
    HRESULT hr = S_OK;
    ParserImpl *This = impl_from_IBaseFilter(iface);
    PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
 
    TRACE("%p->()\n", This);
 
    EnterCriticalSection(&pin->thread_lock);
    EnterCriticalSection(&This->filter.csFilter);
 
    if (This->filter.state == State_Paused)
    {
        LeaveCriticalSection(&This->filter.csFilter);
        LeaveCriticalSection(&pin->thread_lock);
        return S_OK;
    }
 
    if (This->filter.state == State_Stopped)
    {
        LeaveCriticalSection(&This->filter.csFilter);
        hr = IBaseFilter_Run(iface, -1);
        EnterCriticalSection(&This->filter.csFilter);
    }
 
    if (SUCCEEDED(hr))
        This->filter.state = State_Paused;
 
    LeaveCriticalSection(&This->filter.csFilter);
    LeaveCriticalSection(&pin->thread_lock);
 
    return hr;
}

Parser_QueryFilterInfo()

HRESULT WINAPI Parser_QueryFilterInfo	(	IBaseFilter *	iface,
		FILTER_INFO *	pInfo
	)

Definition at line 419 of file parser.c.

{
    return BaseFilterImpl_QueryFilterInfo(iface, pInfo);
}

Parser_QueryInterface()

HRESULT WINAPI Parser_QueryInterface	(	IBaseFilter *	iface,
		REFIID	riid,
		LPVOID *	ppv
	)

Definition at line 142 of file parser.c.

{
    ParserImpl *This = impl_from_IBaseFilter(iface);
    TRACE("(%s, %p)\n", qzdebugstr_guid(riid), ppv);
 
    *ppv = NULL;
 
    if ( IsEqualIID(riid, &IID_IUnknown)
      || IsEqualIID(riid, &IID_IPersist)
      || IsEqualIID(riid, &IID_IMediaFilter)
      || IsEqualIID(riid, &IID_IBaseFilter) )
        *ppv = &This->filter.IBaseFilter_iface;
 
    if (*ppv)
    {
        IUnknown_AddRef((IUnknown *)*ppv);
        return S_OK;
    }
 
    if (!IsEqualIID(riid, &IID_IPin) &&
        !IsEqualIID(riid, &IID_IVideoWindow) &&
        !IsEqualIID(riid, &IID_IAMFilterMiscFlags))
    {
        FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
    }
 
    return E_NOINTERFACE;
}

Parser_QueryVendorInfo()

HRESULT WINAPI Parser_QueryVendorInfo	(	IBaseFilter *	iface,
		LPWSTR *	pVendorInfo
	)

Definition at line 429 of file parser.c.

{
    return BaseFilterImpl_QueryVendorInfo(iface, pVendorInfo);
}

Parser_Release()

ULONG WINAPI Parser_Release

(

IBaseFilter *

iface

)

Definition at line 213 of file parser.c.

{
    ParserImpl *This = impl_from_IBaseFilter(iface);
    ULONG refCount = InterlockedDecrement(&This->filter.refCount);
 
    TRACE("(%p)->() Release from %d\n", This, refCount + 1);
 
    if (!refCount)
        Parser_Destroy(This);
 
    return refCount;
}

Parser_Run()

HRESULT WINAPI Parser_Run	(	IBaseFilter *	iface,
		REFERENCE_TIME	tStart
	)

Definition at line 313 of file parser.c.

{
    HRESULT hr = S_OK;
    ParserImpl *This = impl_from_IBaseFilter(iface);
    PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
 
    ULONG i;
 
    TRACE("%p->(%s)\n", This, wine_dbgstr_longlong(tStart));
 
    EnterCriticalSection(&pin->thread_lock);
    EnterCriticalSection(&This->filter.csFilter);
    {
        HRESULT hr_any = VFW_E_NOT_CONNECTED;
 
        This->filter.rtStreamStart = tStart;
        if (This->filter.state == State_Running || This->filter.state == State_Paused)
        {
            This->filter.state = State_Running;
            LeaveCriticalSection(&This->filter.csFilter);
            LeaveCriticalSection(&pin->thread_lock);
            return S_OK;
        }
 
        for (i = 1; i < (This->cStreams + 1); i++)
        {
            hr = BaseOutputPinImpl_Active((BaseOutputPin *)This->ppPins[i]);
            if (SUCCEEDED(hr))
                hr_any = hr;
        }
 
        hr = hr_any;
        if (SUCCEEDED(hr))
        {
            LeaveCriticalSection(&This->filter.csFilter);
            hr = PullPin_StartProcessing(This->pInputPin);
            EnterCriticalSection(&This->filter.csFilter);
        }
 
        if (SUCCEEDED(hr))
            This->filter.state = State_Running;
    }
    LeaveCriticalSection(&This->filter.csFilter);
    LeaveCriticalSection(&pin->thread_lock);
 
    return hr;
}

Parser_SetSyncSource()

HRESULT WINAPI Parser_SetSyncSource	(	IBaseFilter *	iface,
		IReferenceClock *	pClock
	)

Definition at line 383 of file parser.c.

{
    ParserImpl *This = impl_from_IBaseFilter(iface);
    PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
 
    TRACE("%p->(%p)\n", This, pClock);
 
    EnterCriticalSection(&pin->thread_lock);
    BaseFilterImpl_SetSyncSource(iface,pClock);
    LeaveCriticalSection(&pin->thread_lock);
 
    return S_OK;
}

Parser_Stop()

HRESULT WINAPI Parser_Stop

(

IBaseFilter *

iface

)

IMediaFilter methods

Definition at line 241 of file parser.c.

{
    ParserImpl *This = impl_from_IBaseFilter(iface);
    PullPin *pin = impl_PullPin_from_IPin(This->ppPins[0]);
    ULONG i;
 
    TRACE("%p->()\n", This);
 
    EnterCriticalSection(&pin->thread_lock);
 
    IAsyncReader_BeginFlush(This->pInputPin->pReader);
    EnterCriticalSection(&This->filter.csFilter);
 
    if (This->filter.state == State_Stopped)
    {
        LeaveCriticalSection(&This->filter.csFilter);
        IAsyncReader_EndFlush(This->pInputPin->pReader);
        LeaveCriticalSection(&pin->thread_lock);
        return S_OK;
    }
 
    This->filter.state = State_Stopped;
 
    for (i = 1; i < (This->cStreams + 1); i++)
    {
        BaseOutputPinImpl_Inactive((BaseOutputPin *)This->ppPins[i]);
    }
 
    LeaveCriticalSection(&This->filter.csFilter);
 
    PullPin_PauseProcessing(This->pInputPin);
    PullPin_WaitForStateChange(This->pInputPin, INFINITE);
    IAsyncReader_EndFlush(This->pInputPin->pReader);
 
    LeaveCriticalSection(&pin->thread_lock);
    return S_OK;
}

unsafe_impl_Parser_OutputPin_from_IPin()

static Parser_OutputPin * unsafe_impl_Parser_OutputPin_from_IPin ( IPin *  iface )

inlinestatic

Definition at line 81 of file parser.h.

{
    return CONTAINING_RECORD(iface, Parser_OutputPin, pin.pin.IPin_iface);
}

Referenced by AVISplitter_Receive(), AVISplitter_seek(), FillBuffer(), Parser_AddPin(), Parser_OutputPin_Connect(), Parser_OutputPin_QueryInterface(), Parser_OutputPin_Release(), WAVEParser_first_request(), WAVEParser_Sample(), and WAVEParserImpl_seek().