Decoder

- Fix crash when stopDecodingSpeech() is called
- Remove the ps_free() from the assert. It was causing memory leak in
reals builds

Author: BrunoBerisso

TLSphinx/Decoder.swift

@@ -55,10 +55,10 @@ public class Decoder {
     }
 
     deinit {
-        assert(ps_free(psDecoder) == 0, "Can't free decoder, it's shared among instances")
+        let refCount = ps_free(psDecoder)
+        assert(refCount == 0, "Can't free decoder, it's shared among instances")
     }
 
-    
     private func process_raw(data: NSData) -> CInt {
         //Sphinx expect words of 2 bytes but the NSFileHandle read one byte at time so the lenght of the data for sphinx is the half of the real one.
         let dataLenght = data.length / 2
@@ -204,8 +204,6 @@ public class Decoder {
 
     public func stopDecodingSpeech () {
         recorder.stop()
-        end_utt()
-        
         recorder.deleteRecording()
         recorder = nil
     }

TLSphinxTests/LiveDecode.swift

@@ -26,7 +26,9 @@ class LiveDecode: XCTestCase {
             let dict = modelPath.stringByAppendingPathComponent("cmudict-en-us.dict")
 
             if let config = Config(args: ("-hmm", hmm), ("-lm", lm), ("-dict", dict)) {
+                
                 config.showDebugInfo = false
+                
                 if let decoder = Decoder(config:config) {
                     decoder.startDecodingSpeech { (hyp) -> () in
                         println("Utterance: \(hyp)")