+ if ( stream_.doConvertBuffer[mode] ) {\r
+\r
+ bool makeBuffer = true;\r
+ bufferBytes = stream_.nDeviceChannels[mode] * formatBytes( stream_.deviceFormat[mode] );\r
+ if ( mode == INPUT ) {\r
+ if ( stream_.mode == OUTPUT && stream_.deviceBuffer ) {\r
+ unsigned long bytesOut = stream_.nDeviceChannels[0] * formatBytes( stream_.deviceFormat[0] );\r
+ if ( bufferBytes <= bytesOut ) makeBuffer = false;\r
+ }\r
+ }\r
+\r
+ if ( makeBuffer ) {\r
+ bufferBytes *= *bufferSize;\r
+ if ( stream_.deviceBuffer ) free( stream_.deviceBuffer );\r
+ stream_.deviceBuffer = (char *) calloc( bufferBytes, 1 );\r
+ if ( stream_.deviceBuffer == NULL ) {\r
+ errorText_ = "RtApiPulse::probeDeviceOpen: error allocating device buffer memory.";\r
+ goto error;\r
+ }\r
+ }\r
+ }\r
+\r
+ stream_.device[mode] = device;\r
+\r
+ // Setup the buffer conversion information structure.\r
+ if ( stream_.doConvertBuffer[mode] ) setConvertInfo( mode, firstChannel );\r
+\r