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Sweden-Number/dlls/quartz/pin.c

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/*
* Generic Implementation of IPin Interface
*
* Copyright 2003 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "quartz_private.h"
#include "pin.h"
#include "wine/debug.h"
#include "uuids.h"
#include "vfwmsgs.h"
#include <assert.h>
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
#define ALIGNDOWN(value,boundary) ((value)/(boundary)*(boundary))
#define ALIGNUP(value,boundary) (ALIGNDOWN((value)+(boundary)-1, (boundary)))
typedef HRESULT (*SendPinFunc)( IPin *to, LPVOID arg );
/** Helper function, there are a lot of places where the error code is inherited
* The following rules apply:
*
* Return the first received error code (E_NOTIMPL is ignored)
* If no errors occur: return the first received non-error-code that isn't S_OK
*/
static HRESULT updatehres( HRESULT original, HRESULT new )
{
if (FAILED( original ) || new == E_NOTIMPL)
return original;
if (FAILED( new ) || original == S_OK)
return new;
return original;
}
/** Sends a message from a pin further to other, similar pins
* fnMiddle is called on each pin found further on the stream.
* fnEnd (can be NULL) is called when the message can't be sent any further (this is a renderer or source)
*
* If the pin given is an input pin, the message will be sent downstream to other input pins
* If the pin given is an output pin, the message will be sent upstream to other output pins
*/
static HRESULT SendFurther( IPin *from, SendPinFunc fnMiddle, LPVOID arg, SendPinFunc fnEnd )
{
PIN_INFO pin_info;
ULONG amount = 0;
HRESULT hr = S_OK;
HRESULT hr_return = S_OK;
IEnumPins *enumpins = NULL;
BOOL foundend = TRUE;
PIN_DIRECTION from_dir;
IPin_QueryDirection( from, &from_dir );
hr = IPin_QueryInternalConnections( from, NULL, &amount );
if (hr != E_NOTIMPL && amount)
FIXME("Use QueryInternalConnections!\n");
pin_info.pFilter = NULL;
hr = IPin_QueryPinInfo( from, &pin_info );
if (FAILED(hr))
goto out;
hr = IBaseFilter_EnumPins( pin_info.pFilter, &enumpins );
if (FAILED(hr))
goto out;
hr = IEnumPins_Reset( enumpins );
while (hr == S_OK) {
IPin *pin = NULL;
hr = IEnumPins_Next( enumpins, 1, &pin, NULL );
if (hr == VFW_E_ENUM_OUT_OF_SYNC)
{
hr = IEnumPins_Reset( enumpins );
continue;
}
if (pin)
{
PIN_DIRECTION dir;
IPin_QueryDirection( pin, &dir );
if (dir != from_dir)
{
IPin *connected = NULL;
foundend = FALSE;
IPin_ConnectedTo( pin, &connected );
if (connected)
{
HRESULT hr_local;
hr_local = fnMiddle( connected, arg );
hr_return = updatehres( hr_return, hr_local );
IPin_Release(connected);
}
}
IPin_Release( pin );
}
else
{
hr = S_OK;
break;
}
}
if (!foundend)
hr = hr_return;
else if (fnEnd) {
HRESULT hr_local;
hr_local = fnEnd( from, arg );
hr_return = updatehres( hr_return, hr_local );
}
out:
if (enumpins)
IEnumPins_Release( enumpins );
if (pin_info.pFilter)
IBaseFilter_Release( pin_info.pFilter );
return hr;
}
static HRESULT deliver_endofstream(IPin* pin, LPVOID unused)
{
return IPin_EndOfStream( pin );
}
static HRESULT deliver_beginflush(IPin* pin, LPVOID unused)
{
return IPin_BeginFlush( pin );
}
static HRESULT deliver_endflush(IPin* pin, LPVOID unused)
{
return IPin_EndFlush( pin );
}
typedef struct newsegmentargs
{
REFERENCE_TIME tStart, tStop;
double rate;
} newsegmentargs;
static HRESULT deliver_newsegment(IPin *pin, LPVOID data)
{
newsegmentargs *args = data;
return IPin_NewSegment(pin, args->tStart, args->tStop, args->rate);
}
/*** PullPin implementation ***/
static HRESULT PullPin_Init(const IPinVtbl *PullPin_Vtbl, const PIN_INFO *info,
SAMPLEPROC_PULL pSampleProc, void *pUserData, QUERYACCEPTPROC pQueryAccept,
CLEANUPPROC pCleanUp, REQUESTPROC pCustomRequest, STOPPROCESSPROC pDone,
LPCRITICAL_SECTION pCritSec, PullPin *pPinImpl)
{
/* Common attributes */
pPinImpl->pin.IPin_iface.lpVtbl = PullPin_Vtbl;
pPinImpl->pin.pConnectedTo = NULL;
pPinImpl->pin.pCritSec = pCritSec;
/* avoid copying uninitialized data */
wcscpy(pPinImpl->pin.pinInfo.achName, info->achName);
pPinImpl->pin.pinInfo.dir = info->dir;
pPinImpl->pin.pinInfo.pFilter = info->pFilter;
ZeroMemory(&pPinImpl->pin.mtCurrent, sizeof(AM_MEDIA_TYPE));
/* Input pin attributes */
pPinImpl->pUserData = pUserData;
pPinImpl->fnQueryAccept = pQueryAccept;
pPinImpl->fnSampleProc = pSampleProc;
pPinImpl->fnCleanProc = pCleanUp;
pPinImpl->fnDone = pDone;
pPinImpl->fnPreConnect = NULL;
pPinImpl->pAlloc = NULL;
pPinImpl->prefAlloc = NULL;
pPinImpl->pReader = NULL;
pPinImpl->hThread = NULL;
pPinImpl->hEventStateChanged = CreateEventW(NULL, TRUE, TRUE, NULL);
pPinImpl->thread_sleepy = CreateEventW(NULL, FALSE, FALSE, NULL);
pPinImpl->rtStart = 0;
pPinImpl->rtCurrent = 0;
pPinImpl->rtStop = ((LONGLONG)0x7fffffff << 32) | 0xffffffff;
pPinImpl->dRate = 1.0;
pPinImpl->state = Req_Die;
pPinImpl->fnCustomRequest = pCustomRequest;
pPinImpl->stop_playback = TRUE;
InitializeCriticalSection(&pPinImpl->thread_lock);
pPinImpl->thread_lock.DebugInfo->Spare[0] = (DWORD_PTR)( __FILE__ ": PullPin.thread_lock");
return S_OK;
}
HRESULT PullPin_Construct(const IPinVtbl *PullPin_Vtbl, const PIN_INFO * pPinInfo,
SAMPLEPROC_PULL pSampleProc, LPVOID pUserData, QUERYACCEPTPROC pQueryAccept,
CLEANUPPROC pCleanUp, REQUESTPROC pCustomRequest, STOPPROCESSPROC pDone,
LPCRITICAL_SECTION pCritSec, IPin ** ppPin)
{
PullPin * pPinImpl;
*ppPin = NULL;
if (pPinInfo->dir != PINDIR_INPUT)
{
ERR("Pin direction(%x) != PINDIR_INPUT\n", pPinInfo->dir);
return E_INVALIDARG;
}
pPinImpl = CoTaskMemAlloc(sizeof(*pPinImpl));
if (!pPinImpl)
return E_OUTOFMEMORY;
if (SUCCEEDED(PullPin_Init(PullPin_Vtbl, pPinInfo, pSampleProc, pUserData, pQueryAccept, pCleanUp, pCustomRequest, pDone, pCritSec, pPinImpl)))
{
*ppPin = &pPinImpl->pin.IPin_iface;
return S_OK;
}
CoTaskMemFree(pPinImpl);
return E_FAIL;
}
static HRESULT PullPin_InitProcessing(PullPin * This);
HRESULT WINAPI PullPin_ReceiveConnection(IPin * iface, IPin * pReceivePin, const AM_MEDIA_TYPE * pmt)
{
PIN_DIRECTION pindirReceive;
HRESULT hr = S_OK;
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("(%p/%p)->(%p, %p)\n", This, iface, pReceivePin, pmt);
dump_AM_MEDIA_TYPE(pmt);
EnterCriticalSection(This->pin.pCritSec);
if (!This->pin.pConnectedTo)
{
ALLOCATOR_PROPERTIES props;
props.cBuffers = 3;
props.cbBuffer = 64 * 1024; /* 64 KB */
props.cbAlign = 1;
props.cbPrefix = 0;
if (This->fnQueryAccept(This->pUserData, pmt) != S_OK)
hr = VFW_E_TYPE_NOT_ACCEPTED; /* FIXME: shouldn't we just map common errors onto
* VFW_E_TYPE_NOT_ACCEPTED and pass the value on otherwise? */
if (SUCCEEDED(hr))
{
IPin_QueryDirection(pReceivePin, &pindirReceive);
if (pindirReceive != PINDIR_OUTPUT)
{
ERR("Can't connect from non-output pin\n");
hr = VFW_E_INVALID_DIRECTION;
}
}
This->pReader = NULL;
This->pAlloc = NULL;
This->prefAlloc = NULL;
if (SUCCEEDED(hr))
{
hr = IPin_QueryInterface(pReceivePin, &IID_IAsyncReader, (LPVOID *)&This->pReader);
}
if (SUCCEEDED(hr) && This->fnPreConnect)
{
hr = This->fnPreConnect(iface, pReceivePin, &props);
}
/*
* Some custom filters (such as the one used by Fallout 3
* and Fallout: New Vegas) expect to be passed a non-NULL
* preferred allocator.
*/
if (SUCCEEDED(hr))
{
hr = StdMemAllocator_create(NULL, (LPVOID *) &This->prefAlloc);
}
if (SUCCEEDED(hr))
{
hr = IAsyncReader_RequestAllocator(This->pReader, This->prefAlloc, &props, &This->pAlloc);
}
if (SUCCEEDED(hr))
{
CopyMediaType(&This->pin.mtCurrent, pmt);
This->pin.pConnectedTo = pReceivePin;
IPin_AddRef(pReceivePin);
hr = IMemAllocator_Commit(This->pAlloc);
}
if (SUCCEEDED(hr))
hr = PullPin_InitProcessing(This);
if (FAILED(hr))
{
if (This->pReader)
IAsyncReader_Release(This->pReader);
This->pReader = NULL;
if (This->prefAlloc)
IMemAllocator_Release(This->prefAlloc);
This->prefAlloc = NULL;
if (This->pAlloc)
IMemAllocator_Release(This->pAlloc);
This->pAlloc = NULL;
}
}
else
hr = VFW_E_ALREADY_CONNECTED;
LeaveCriticalSection(This->pin.pCritSec);
return hr;
}
HRESULT WINAPI PullPin_QueryInterface(IPin * iface, REFIID riid, LPVOID * ppv)
{
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = iface;
else if (IsEqualIID(riid, &IID_IPin))
*ppv = iface;
else if (IsEqualIID(riid, &IID_IMediaSeeking) ||
IsEqualIID(riid, &IID_IQualityControl))
{
return IBaseFilter_QueryInterface(This->pin.pinInfo.pFilter, riid, ppv);
}
if (*ppv)
{
IUnknown_AddRef((IUnknown *)(*ppv));
return S_OK;
}
FIXME("No interface for %s!\n", qzdebugstr_guid(riid));
return E_NOINTERFACE;
}
void PullPin_destroy(PullPin *pin)
{
WaitForSingleObject(pin->hEventStateChanged, INFINITE);
assert(!pin->hThread);
if (pin->prefAlloc)
IMemAllocator_Release(pin->prefAlloc);
if (pin->pAlloc)
IMemAllocator_Release(pin->pAlloc);
if (pin->pReader)
IAsyncReader_Release(pin->pReader);
CloseHandle(pin->thread_sleepy);
CloseHandle(pin->hEventStateChanged);
pin->thread_lock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&pin->thread_lock);
CoTaskMemFree(pin);
}
static void PullPin_Flush(PullPin *This)
{
IMediaSample *pSample;
TRACE("Flushing!\n");
if (This->pReader)
{
/* Do not allow state to change while flushing */
EnterCriticalSection(This->pin.pCritSec);
/* Flush outstanding samples */
IAsyncReader_BeginFlush(This->pReader);
for (;;)
{
DWORD_PTR dwUser;
pSample = NULL;
IAsyncReader_WaitForNext(This->pReader, 0, &pSample, &dwUser);
if (!pSample)
break;
assert(!IMediaSample_GetActualDataLength(pSample));
IMediaSample_Release(pSample);
}
IAsyncReader_EndFlush(This->pReader);
LeaveCriticalSection(This->pin.pCritSec);
}
}
static void PullPin_Thread_Process(PullPin *This)
{
HRESULT hr;
IMediaSample * pSample = NULL;
ALLOCATOR_PROPERTIES allocProps;
hr = IMemAllocator_GetProperties(This->pAlloc, &allocProps);
This->cbAlign = allocProps.cbAlign;
if (This->rtCurrent < This->rtStart)
This->rtCurrent = MEDIATIME_FROM_BYTES(ALIGNDOWN(BYTES_FROM_MEDIATIME(This->rtStart), This->cbAlign));
TRACE("Start\n");
if (This->rtCurrent >= This->rtStop)
{
IPin_EndOfStream(&This->pin.IPin_iface);
return;
}
/* There is no sample in our buffer */
hr = This->fnCustomRequest(This->pUserData);
if (FAILED(hr))
ERR("Request error: %x\n", hr);
EnterCriticalSection(This->pin.pCritSec);
SetEvent(This->hEventStateChanged);
LeaveCriticalSection(This->pin.pCritSec);
if (SUCCEEDED(hr))
do
{
DWORD_PTR dwUser;
TRACE("Process sample\n");
pSample = NULL;
hr = IAsyncReader_WaitForNext(This->pReader, 10000, &pSample, &dwUser);
/* Return an empty sample on error to the implementation in case it does custom parsing, so it knows it's gone */
if (SUCCEEDED(hr))
{
hr = This->fnSampleProc(This->pUserData, pSample, dwUser);
}
else
{
if (hr == VFW_E_TIMEOUT)
{
if (pSample != NULL)
WARN("Non-NULL sample returned with VFW_E_TIMEOUT.\n");
hr = S_OK;
}
/* FIXME: Errors are not well handled yet! */
else
ERR("Processing error: %x\n", hr);
}
if (pSample)
{
IMediaSample_Release(pSample);
pSample = NULL;
}
} while (This->rtCurrent < This->rtStop && hr == S_OK && !This->stop_playback);
/*
* Sample was rejected, and we are asked to terminate. When there is more than one buffer
* it is possible for a filter to have several queued samples, making it necessary to
* release all of these pending samples.
*/
if (This->stop_playback || FAILED(hr))
{
DWORD_PTR dwUser;
do
{
if (pSample)
IMediaSample_Release(pSample);
pSample = NULL;
IAsyncReader_WaitForNext(This->pReader, 0, &pSample, &dwUser);
} while(pSample);
}
/* Can't reset state to Sleepy here because that might race, instead PauseProcessing will do that for us
* Flush remaining samples
*/
if (This->fnDone)
This->fnDone(This->pUserData);
TRACE("End: %08x, %d\n", hr, This->stop_playback);
}
static void PullPin_Thread_Pause(PullPin *This)
{
PullPin_Flush(This);
EnterCriticalSection(This->pin.pCritSec);
This->state = Req_Sleepy;
SetEvent(This->hEventStateChanged);
LeaveCriticalSection(This->pin.pCritSec);
}
static void PullPin_Thread_Stop(PullPin *This)
{
TRACE("(%p)->()\n", This);
EnterCriticalSection(This->pin.pCritSec);
SetEvent(This->hEventStateChanged);
LeaveCriticalSection(This->pin.pCritSec);
IBaseFilter_Release(This->pin.pinInfo.pFilter);
CoUninitialize();
ExitThread(0);
}
static DWORD WINAPI PullPin_Thread_Main(LPVOID pv)
{
PullPin *This = pv;
CoInitializeEx(NULL, COINIT_MULTITHREADED);
PullPin_Flush(This);
for (;;)
{
WaitForSingleObject(This->thread_sleepy, INFINITE);
TRACE("State: %d\n", This->state);
switch (This->state)
{
case Req_Die: PullPin_Thread_Stop(This); break;
case Req_Run: PullPin_Thread_Process(This); break;
case Req_Pause: PullPin_Thread_Pause(This); break;
case Req_Sleepy: ERR("Should not be signalled with SLEEPY!\n"); break;
default: ERR("Unknown state request: %d\n", This->state); break;
}
}
return 0;
}
static HRESULT PullPin_InitProcessing(PullPin * This)
{
HRESULT hr = S_OK;
TRACE("(%p)->()\n", This);
/* if we are connected */
if (This->pAlloc)
{
DWORD dwThreadId;
WaitForSingleObject(This->hEventStateChanged, INFINITE);
EnterCriticalSection(This->pin.pCritSec);
assert(!This->hThread);
assert(This->state == Req_Die);
assert(This->stop_playback);
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
This->state = Req_Sleepy;
/* AddRef the filter to make sure it and its pins will be around
* as long as the thread */
IBaseFilter_AddRef(This->pin.pinInfo.pFilter);
This->hThread = CreateThread(NULL, 0, PullPin_Thread_Main, This, 0, &dwThreadId);
if (!This->hThread)
{
hr = HRESULT_FROM_WIN32(GetLastError());
IBaseFilter_Release(This->pin.pinInfo.pFilter);
}
if (SUCCEEDED(hr))
{
SetEvent(This->hEventStateChanged);
/* If assert fails, that means a command was not processed before the thread previously terminated */
}
LeaveCriticalSection(This->pin.pCritSec);
}
TRACE(" -- %x\n", hr);
return hr;
}
HRESULT PullPin_StartProcessing(PullPin * This)
{
/* if we are connected */
TRACE("(%p)->()\n", This);
if(This->pAlloc)
{
assert(This->hThread);
PullPin_WaitForStateChange(This, INFINITE);
assert(This->state == Req_Sleepy);
/* Wake up! */
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
This->state = Req_Run;
This->stop_playback = FALSE;
ResetEvent(This->hEventStateChanged);
SetEvent(This->thread_sleepy);
}
return S_OK;
}
HRESULT PullPin_PauseProcessing(PullPin * This)
{
/* if we are connected */
TRACE("(%p)->()\n", This);
if(This->pAlloc)
{
assert(This->hThread);
PullPin_WaitForStateChange(This, INFINITE);
EnterCriticalSection(This->pin.pCritSec);
assert(!This->stop_playback);
assert(This->state == Req_Run|| This->state == Req_Sleepy);
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
This->state = Req_Pause;
This->stop_playback = TRUE;
ResetEvent(This->hEventStateChanged);
SetEvent(This->thread_sleepy);
/* Release any outstanding samples */
if (This->pReader)
{
IMediaSample *pSample;
DWORD_PTR dwUser;
do
{
pSample = NULL;
IAsyncReader_WaitForNext(This->pReader, 0, &pSample, &dwUser);
if (pSample)
IMediaSample_Release(pSample);
} while(pSample);
}
LeaveCriticalSection(This->pin.pCritSec);
}
return S_OK;
}
static HRESULT PullPin_StopProcessing(PullPin * This)
{
TRACE("(%p)->()\n", This);
/* if we are alive */
assert(This->hThread);
PullPin_WaitForStateChange(This, INFINITE);
assert(This->state == Req_Pause || This->state == Req_Sleepy);
This->stop_playback = TRUE;
This->state = Req_Die;
assert(WaitForSingleObject(This->thread_sleepy, 0) == WAIT_TIMEOUT);
ResetEvent(This->hEventStateChanged);
SetEvent(This->thread_sleepy);
return S_OK;
}
HRESULT PullPin_WaitForStateChange(PullPin * This, DWORD dwMilliseconds)
{
if (WaitForSingleObject(This->hEventStateChanged, dwMilliseconds) == WAIT_TIMEOUT)
return S_FALSE;
return S_OK;
}
HRESULT WINAPI PullPin_QueryAccept(IPin * iface, const AM_MEDIA_TYPE * pmt)
{
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("(%p/%p)->(%p)\n", This, iface, pmt);
return (This->fnQueryAccept(This->pUserData, pmt) == S_OK ? S_OK : S_FALSE);
}
HRESULT WINAPI PullPin_EndOfStream(IPin * iface)
{
PullPin *This = impl_PullPin_from_IPin(iface);
HRESULT hr = S_FALSE;
TRACE("(%p)->()\n", iface);
EnterCriticalSection(This->pin.pCritSec);
hr = SendFurther( iface, deliver_endofstream, NULL, NULL );
SetEvent(This->hEventStateChanged);
LeaveCriticalSection(This->pin.pCritSec);
return hr;
}
HRESULT WINAPI PullPin_BeginFlush(IPin * iface)
{
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("(%p)->()\n", This);
EnterCriticalSection(This->pin.pCritSec);
{
SendFurther( iface, deliver_beginflush, NULL, NULL );
}
LeaveCriticalSection(This->pin.pCritSec);
EnterCriticalSection(&This->thread_lock);
{
if (This->pReader)
IAsyncReader_BeginFlush(This->pReader);
PullPin_WaitForStateChange(This, INFINITE);
if (This->hThread && This->state == Req_Run)
{
PullPin_PauseProcessing(This);
PullPin_WaitForStateChange(This, INFINITE);
}
}
LeaveCriticalSection(&This->thread_lock);
EnterCriticalSection(This->pin.pCritSec);
{
This->fnCleanProc(This->pUserData);
}
LeaveCriticalSection(This->pin.pCritSec);
return S_OK;
}
HRESULT WINAPI PullPin_EndFlush(IPin * iface)
{
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("(%p)->()\n", iface);
/* Send further first: Else a race condition might terminate processing early */
EnterCriticalSection(This->pin.pCritSec);
SendFurther( iface, deliver_endflush, NULL, NULL );
LeaveCriticalSection(This->pin.pCritSec);
EnterCriticalSection(&This->thread_lock);
{
FILTER_STATE state;
if (This->pReader)
IAsyncReader_EndFlush(This->pReader);
IBaseFilter_GetState(This->pin.pinInfo.pFilter, INFINITE, &state);
if (state != State_Stopped)
PullPin_StartProcessing(This);
PullPin_WaitForStateChange(This, INFINITE);
}
LeaveCriticalSection(&This->thread_lock);
return S_OK;
}
HRESULT WINAPI PullPin_Disconnect(IPin *iface)
{
HRESULT hr;
PullPin *This = impl_PullPin_from_IPin(iface);
TRACE("()\n");
EnterCriticalSection(This->pin.pCritSec);
{
if (FAILED(hr = IMemAllocator_Decommit(This->pAlloc)))
ERR("Allocator decommit failed with error %x. Possible memory leak\n", hr);
if (This->pin.pConnectedTo)
{
IPin_Release(This->pin.pConnectedTo);
This->pin.pConnectedTo = NULL;
PullPin_StopProcessing(This);
FreeMediaType(&This->pin.mtCurrent);
ZeroMemory(&This->pin.mtCurrent, sizeof(This->pin.mtCurrent));
hr = S_OK;
}
else
hr = S_FALSE;
}
LeaveCriticalSection(This->pin.pCritSec);
WaitForSingleObject(This->hThread, INFINITE);
CloseHandle(This->hThread);
This->hThread = NULL;
return hr;
}
HRESULT WINAPI PullPin_NewSegment(IPin * iface, REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate)
{
newsegmentargs args;
FIXME("(%p)->(%s, %s, %g) stub\n", iface, wine_dbgstr_longlong(tStart), wine_dbgstr_longlong(tStop), dRate);
args.tStart = tStart;
args.tStop = tStop;
args.rate = dRate;
return SendFurther( iface, deliver_newsegment, &args, NULL );
}
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