}
LONG inputPinIndexRelated, outputPinIndexRelated;
- LONG inputPinPhysicalType, outputPinPhysicalType;
- LONG inputPinIndex, outputPinIndex;
+ LONG inputPinPhysicalType = 0, outputPinPhysicalType;
+ LONG inputPinIndex = 0, outputPinIndex;
if( FAILED(GetCrossbarIndexFromIPin( pXbar, &outputPinIndex,
FALSE, p_output_pin )) ||
FAILED(pXbar->get_CrossbarPinInfo( FALSE, outputPinIndex,
return S_FALSE;
}
+ /*
+ ** if physical type is 0, then use default/existing route to physical connector
+ */
+ if( physicalType == 0 )
+ {
+ /* use following as default connector type if we fail to find an existing route */
+ physicalType = PhysConn_Video_Tuner;
+ if( SUCCEEDED(pXbar->get_IsRoutedTo(outputPinIndex, &inputPinIndex)) )
+ {
+
+ if( SUCCEEDED( pXbar->get_CrossbarPinInfo( TRUE, inputPinIndex,
+ &inputPinIndexRelated, &inputPinPhysicalType )) )
+ {
+ // remember connector type
+ physicalType = inputPinPhysicalType;
+
+ msg_Dbg( p_this, "Found Existing Route For ouput %ld (type %ld) to input %ld (type %ld)",
+ outputPinIndex, outputPinPhysicalType, inputPinIndex,
+ inputPinPhysicalType );
+
+ // fall through to for loop, note 'inputPinIndex' is set to the pin we are looking for
+ // hence, loop iteration should not wind back
+
+ }
+ }
+ else {
+ // reset to first pin for complete loop iteration
+ inputPinIndex = 0;
+ }
+ }
+
//
// for all input pins
//
- for( inputPinIndex = 0; S_OK != result && inputPinIndex < inputPinCount;
- inputPinIndex++ )
+ for( /* inputPinIndex has been set */ ; (S_OK != result) && (inputPinIndex < inputPinCount); ++inputPinIndex )
{
if( FAILED(pXbar->get_CrossbarPinInfo( TRUE, inputPinIndex,
- &inputPinIndexRelated, &inputPinPhysicalType )) ) continue;
-
- // Is the pin a video pin?
+ &inputPinIndexRelated, &inputPinPhysicalType )) ) continue;
+
+ // Is this pin matching required connector physical type?
if( inputPinPhysicalType != physicalType ) continue;
// Can we route it?
if( FAILED(pXbar->CanRoute(outputPinIndex, inputPinIndex)) ) continue;
-
+
+
IPin *pPin;
if( FAILED(GetCrossbarIPinAtIndex( pXbar, inputPinIndex,
TRUE, &pPin)) ) continue;
physicalType == inputPinPhysicalType &&
(p_sys->i_crossbar_route_depth = depth+1) < MAX_CROSSBAR_DEPTH) )
{
- // hold on crossbar
+ // hold on crossbar, will be released when graph is destroyed
pXbar->AddRef();
// remember crossbar route