ape_reader: Refuse to work on streaming data

* The MACLib try to find the APE_DESCRIPTOR in the whole file, this
will not work for streams with a finite size.

src/add-ons/media/plugins/ape_reader/APEReader.cpp

@@ -4,6 +4,7 @@
 
 
 #include <InterfaceDefs.h>
+#include <MediaIO.h>
 
 #include "APEReader.h"
 #include "MACLib.h"
@@ -216,6 +217,17 @@ TAPEReader::Sniff(int32* oStreamCount)
 	if (mSrcPIO == NULL)
 		return B_ERROR;
 
+	BMediaIO* mediaIO = dynamic_cast<BMediaIO*>(Source());
+	if (mediaIO != NULL) {
+		int32 flags = 0;
+		mediaIO->GetFlags(&flags);
+		// This plugin doesn't support streamed data.
+		// The APEHeader::FindDescriptor function always
+		// analyze the whole file to find the APE_DESCRIPTOR.
+		if ((flags & B_MEDIA_STREAMING) == true)
+			return B_ERROR;
+	}
+
 	int nFunctionRetVal = ERROR_SUCCESS;
 	mPositionBridgeIO.SetPositionIO(mSrcPIO);
 

src/add-ons/media/plugins/ape_reader/MAClib/APEHeader.cpp

@@ -282,4 +282,4 @@ int CAPEHeader::AnalyzeOld(APE_FILE_INFO * pInfo)
     }
 
     return ERROR_SUCCESS;
-}
+}