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strmbase: Forbid (dis)connecting pins if the filter is not stopped. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2019-11-18 18:51:21 -06:00 committed by Alexandre Julliard
parent 03f0479c34
commit 2a6037e263
1 changed files with 21 additions and 0 deletions
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21
dlls/strmbase/pin.c
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@ -366,6 +366,13 @@ HRESULT WINAPI BaseOutputPinImpl_Connect(IPin * iface, IPin * pReceivePin, const
EnterCriticalSection(&This->pin.filter->csFilter);
{
if (This->pin.filter->state != State_Stopped)
{
LeaveCriticalSection(&This->pin.filter->csFilter);
WARN("Filter is not stopped; returning VFW_E_NOT_STOPPED.\n");
return VFW_E_NOT_STOPPED;
}
/* if we have been a specific type to connect with, then we can either connect
* with that or fail. We cannot choose different AM_MEDIA_TYPE */
if (pmt && !IsEqualGUID(&pmt->majortype, &GUID_NULL) && !IsEqualGUID(&pmt->subtype, &GUID_NULL))
@ -447,6 +454,13 @@ HRESULT WINAPI BaseOutputPinImpl_Disconnect(IPin * iface)
EnterCriticalSection(&This->pin.filter->csFilter);
{
if (This->pin.filter->state != State_Stopped)
{
LeaveCriticalSection(&This->pin.filter->csFilter);
WARN("Filter is not stopped; returning VFW_E_NOT_STOPPED.\n");
return VFW_E_NOT_STOPPED;
}
if (This->pMemInputPin)
{
IMemInputPin_Release(This->pMemInputPin);
@ -730,6 +744,13 @@ HRESULT WINAPI BaseInputPinImpl_ReceiveConnection(IPin * iface, IPin * pReceiveP
EnterCriticalSection(&This->pin.filter->csFilter);
{
if (This->pin.filter->state != State_Stopped)
{
LeaveCriticalSection(&This->pin.filter->csFilter);
WARN("Filter is not stopped; returning VFW_E_NOT_STOPPED.\n");
return VFW_E_NOT_STOPPED;
}
if (This->pin.peer)
hr = VFW_E_ALREADY_CONNECTED;