driver/audiodec,audiometadata: cover file handling fixed

src/driver/audiodec/ffmpegdec.cpp

@@ -348,8 +348,10 @@ CBaseDec::RetCode CFfmpegDec::Decoder(FILE *_in, const CFile::FileType ft, int /
 	//av_free(avcc);
 
 	DeInit();
-	if (!_meta_data->cover.empty())
+	if (_meta_data->cover_temporary && !_meta_data->cover.empty()) {
+		_meta_data->cover_temporary = false;
 		unlink(_meta_data->cover.c_str());
+	}
 	return Status;
 }
 
@@ -445,6 +447,7 @@ bool CFfmpegDec::SetMetaData(FILE *_in, CFile::FileType ft, CAudioMetaData* m)
 					fwrite(pkt->data, pkt->size, 1, f);
 					fclose(f);
 					m->cover = cover;
+					m->cover_temporary = true;
 				}
 			}
 		}

src/driver/audiometadata.cpp

@@ -42,6 +42,13 @@ CAudioMetaData::CAudioMetaData()
     clear();
 }
 
+// destructor
+CAudioMetaData::~CAudioMetaData()
+{
+	if (cover_temporary && !cover.empty())
+		unlink(cover.c_str());
+}
+
 // copy constructor
 CAudioMetaData::CAudioMetaData( const CAudioMetaData& src )
   : type( src.type ), type_info( src.type_info ),
@@ -52,7 +59,7 @@ CAudioMetaData::CAudioMetaData( const CAudioMetaData& src )
 	hasInfoOrXingTag( src.hasInfoOrXingTag ), artist( src.artist ),
 	title( src.title ), album( src.album ), sc_station( src.sc_station ),
 	date( src.date ), genre( src.genre ), track( src.track ),cover(src.cover),
-	changed( src.changed )
+	changed( src.changed ), cover_temporary(false)
 {
 }
 
@@ -84,6 +91,8 @@ void CAudioMetaData::operator=( const CAudioMetaData& src )
 	cover = src.cover;
 	sc_station = src.sc_station;
 	changed = src.changed;
+	changed = src.changed;
+	cover_temporary = false;
 }
 
 void CAudioMetaData::clear()
@@ -105,6 +114,9 @@ void CAudioMetaData::clear()
 	date.clear();
 	genre.clear();
 	track.clear();
+	if (cover_temporary && !cover.empty())
+		unlink(cover.c_str());
 	cover.clear();
+	cover_temporary=false;
 	changed=false;
 }

src/driver/audiometadata.h

@@ -44,6 +44,8 @@ class CAudioMetaData
 public:
 	// constructor
 	CAudioMetaData();
+	// destructor
+	~CAudioMetaData();
 	// copy constructor
 	CAudioMetaData( const CAudioMetaData& src );
 	// assignment operator
@@ -85,6 +87,7 @@ public:
 	std::string genre;
 	std::string track;
 	std::string cover;
+	bool cover_temporary;
 	bool changed;
 };
 #endif /* __AUDIO_METADATA__ */