Improved internal decoder interface.

src/Config.h

@@ -35,7 +35,7 @@
 #define VER_LAMEXP_MINOR_LO					2
 #define VER_LAMEXP_TYPE						Alpha
 #define VER_LAMEXP_PATCH					4
-#define VER_LAMEXP_BUILD					1737
+#define VER_LAMEXP_BUILD					1741
 #define VER_LAMEXP_CONFG					1700
 
 ///////////////////////////////////////////////////////////////////////////////

src/Decoder_AAC.cpp

@@ -138,7 +138,18 @@ bool AACDecoder::isFormatSupported(const QString &containerType, const QString &
 	return false;
 }
 
-QStringList AACDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *AACDecoder::supportedTypes(void)
 {
-	return QStringList() << "Advanced Audio Coding (*.aac *.mp4 *.m4a)";
+	static const char *exts[] =
+	{
+		"mp4", "m4a", "aac", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Advanced Audio Coding", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_AAC.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_AC3.cpp

@@ -152,8 +152,20 @@ bool AC3Decoder::isFormatSupported(const QString &containerType, const QString &
 	return false;
 }
 
-QStringList AC3Decoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *AC3Decoder::supportedTypes(void)
 {
-	return QStringList() << "AC-3 / ATSC A/52 (*.ac3 *.eac3 *.wav)" << "Digital Theater System (*.dts)";
-}
+	static const char *exts[][4] =
+	{
+		{ "ac3", "eac3", "wav", NULL },
+		{ "dts", "wav",         NULL }
+	};
 
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "AC-3 / ATSC A/52",       exts[0] },
+		{ "Digital Theater System", exts[1] },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
+}

src/Decoder_AC3.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_ADPCM.cpp

@@ -143,7 +143,22 @@ bool ADPCMDecoder::isFormatSupported(const QString &containerType, const QString
 	return false;
 }
 
-QStringList ADPCMDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *ADPCMDecoder::supportedTypes(void)
 {
-	return QStringList() << "Microsoft ADPCM (*.wav)" << "Apple/SGI AIFF (*.aif *.aiff)" << "Sun/NeXT Au (*.au *.snd)";
+	static const char *exts[][3] =
+	{
+		{ "wav",         NULL },
+		{ "aif", "aiff", NULL },
+		{ "au" , "snd",  NULL }
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Microsoft ADPCM", exts[0] },
+		{ "Apple/SGI AIFF",  exts[1] },
+		{ "Sun/NeXT Au",     exts[2] },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_ADPCM.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_ALAC.cpp

@@ -146,7 +146,18 @@ bool ALACDecoder::isFormatSupported(const QString &containerType, const QString
 	return false;
 }
 
-QStringList ALACDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *ALACDecoder::supportedTypes(void)
 {
-	return QStringList() << "Apple Lossless (*.mp4 *.m4a)";
+	static const char *exts[] =
+	{
+		"mp4", "m4a", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Apple Lossless", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_ALAC.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_Abstract.cpp

@@ -22,7 +22,7 @@
 
 #include "Decoder_Abstract.h"
 
-#include <QStringList>
+#include <MUtils/Exception.h>
 
 AbstractDecoder::AbstractDecoder(void)
 {
@@ -46,7 +46,7 @@ bool AbstractDecoder::isDecoderAvailable(void)
 	return true;
 }
 
-QStringList AbstractDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *AbstractDecoder::supportedTypes(void)
 {
-	return QStringList();
-}
+	MUTILS_THROW("This function must be re-implemented in sub-classes!");
+}

src/Decoder_Abstract.h

@@ -32,10 +32,13 @@ public:
 	AbstractDecoder(void);
 	virtual ~AbstractDecoder(void);
 
+	//Types
+	typedef struct { const char *const name; const char *const *const exts; } supportedType_t;
+
 	//Internal decoder API
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag) = 0;
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
 	static bool isDecoderAvailable(void);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 };
 

src/Decoder_Avisynth.cpp

@@ -134,7 +134,18 @@ bool AvisynthDecoder::isFormatSupported(const QString &containerType, const QStr
 	return false;
 }
 
-QStringList AvisynthDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *AvisynthDecoder::supportedTypes(void)
 {
-	return QStringList() << "Avisynth Script (*.avs)";
+	static const char *exts[] =
+	{
+		"avs", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Avisynth Script", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_Avisynth.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_FLAC.cpp

@@ -132,7 +132,18 @@ bool FLACDecoder::isFormatSupported(const QString &containerType, const QString
 	return false;
 }
 
-QStringList FLACDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *FLACDecoder::supportedTypes(void)
 {
-	return QStringList() << "Free Lossless Audio Codec (*.flac *.fla)";
+	static const char *exts[] =
+	{
+		"fla", "flac", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Free Lossless Audio Codec", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_FLAC.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_MAC.cpp

@@ -137,7 +137,18 @@ bool MACDecoder::isFormatSupported(const QString &containerType, const QString &
 	return false;
 }
 
-QStringList MACDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *MACDecoder::supportedTypes(void)
 {
-	return QStringList() << "Monkey's Audio (*.ape)";
+	static const char *exts[] =
+	{
+		"ape", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Monkey's Audio", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_MAC.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_MP3.cpp

@@ -153,8 +153,22 @@ bool MP3Decoder::isFormatSupported(const QString &containerType, const QString &
 	return false;
 }
 
-QStringList MP3Decoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *MP3Decoder::supportedTypes(void)
 {
-	return QStringList() << "MPEG Audio Layer III (*.mp3 *.mpa)" << "MPEG Audio Layer II (*.mp2 *.mpa)" << "MPEG Audio Layer I ( *.mp1 *.mpa)";
-}
+	static const char *exts[][3] =
+	{
+		{ "mp3", "mpa", NULL },
+		{ "mp2", "mpa", NULL },
+		{ "mp1", "mpa", NULL }
+	};
 
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "MPEG Audio Layer III", exts[0] },
+		{ "MPEG Audio Layer II",  exts[1] },
+		{ "MPEG Audio Layer I",   exts[2] },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
+}

src/Decoder_MP3.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_Musepack.cpp

@@ -138,7 +138,18 @@ bool MusepackDecoder::isFormatSupported(const QString &containerType, const QStr
 	return false;
 }
 
-QStringList MusepackDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *MusepackDecoder::supportedTypes(void)
 {
-	return QStringList() << "Musepack (*.mpc *.mpp *.mp+)";
+	static const char *exts[] =
+	{
+		"mpc", "mpp", "mp+", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Musepack", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_Musepack.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_Opus.cpp

@@ -146,8 +146,18 @@ bool OpusDecoder::isFormatSupported(const QString &containerType, const QString
 	return false;
 }
 
-QStringList OpusDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *OpusDecoder::supportedTypes(void)
 {
-	return QStringList() << "Opus Audio Codec (*.opus *.ogg)";
-}
+	static const char *exts[] =
+	{
+		"opus", "ogg", NULL
+	};
 
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Opus Audio Codec", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
+}

src/Decoder_Opus.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 	static void setDisableResampling(bool disableResample) { m_disableResampling = disableResample; }
 

src/Decoder_Shorten.cpp

@@ -128,7 +128,18 @@ bool ShortenDecoder::isFormatSupported(const QString &containerType, const QStri
 	return false;
 }
 
-QStringList ShortenDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *ShortenDecoder::supportedTypes(void)
 {
-	return QStringList() << "Shorten (*.shn)";
+	static const char *exts[] =
+	{
+		"shn", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Shorten", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_Shorten.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_Speex.cpp

@@ -130,7 +130,18 @@ bool SpeexDecoder::isFormatSupported(const QString &containerType, const QString
 	return false;
 }
 
-QStringList SpeexDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *SpeexDecoder::supportedTypes(void)
 {
-	return QStringList() << "Speex (*.spx *.ogg)";
+	static const char *exts[] =
+	{
+		"spx", "ogg", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Speex", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_Speex.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_TTA.cpp

@@ -133,7 +133,18 @@ bool TTADecoder::isFormatSupported(const QString &containerType, const QString &
 	return false;
 }
 
-QStringList TTADecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *TTADecoder::supportedTypes(void)
 {
-	return QStringList() << "The True Audio (*.tta)";
+	static const char *exts[] =
+	{
+		"tta", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "The True Audio", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_TTA.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_Vorbis.cpp

@@ -136,7 +136,18 @@ bool VorbisDecoder::isFormatSupported(const QString &containerType, const QStrin
 	return false;
 }
 
-QStringList VorbisDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *VorbisDecoder::supportedTypes(void)
 {
-	return QStringList() << "Ogg Vorbis (*.ogg *.ogm)";
+	static const char *exts[] =
+	{
+		"ogg", "ogx", "ogm", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Ogg Vorbis", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_Vorbis.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_WMA.cpp

@@ -136,7 +136,18 @@ bool WMADecoder::isFormatSupported(const QString &containerType, const QString &
 	return false;
 }
 
-QStringList WMADecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *WMADecoder::supportedTypes(void)
 {
-	return QStringList() << "Windows Media Audio (*.wma)";
+	static const char *exts[] =
+	{
+		"wma", "asf", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Windows Media Audio", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_WMA.h

@@ -34,7 +34,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_WavPack.cpp

@@ -137,7 +137,18 @@ bool WavPackDecoder::isFormatSupported(const QString &containerType, const QStri
 	return false;
 }
 
-QStringList WavPackDecoder::supportedTypes(void)
+const AbstractDecoder::supportedType_t *WavPackDecoder::supportedTypes(void)
 {
-	return QStringList() << "WavPack Hybrid Lossless Audio (*.wv)";
+	static const char *exts[] =
+	{
+		"wv", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "WavPack Hybrid Lossless Audio", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
 }

src/Decoder_WavPack.h

@@ -32,7 +32,7 @@ public:
 
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 private:
 	const QString m_binary;

src/Decoder_Wave.cpp

@@ -68,24 +68,6 @@ bool WaveDecoder::decode(const QString &sourceFile, const QString &outputFile, v
 	return okay;
 }
 
-bool WaveDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
-{
-	if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
-	{
-		if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
-		{
-			return true;
-		}
-	}
-
-	return false;
-}
-
-QStringList WaveDecoder::supportedTypes(void)
-{
-	return QStringList() << "Waveform Audio File (*.wav)";
-}
-
 bool WaveDecoder::progressHandler(const double &progress, void *const data)
 {
 	if(data)
@@ -101,3 +83,32 @@ void WaveDecoder::updateProgress(const double &progress)
 {
 	emit statusUpdated(qBound(0, qRound(progress * 100.0), 100));
 }
+
+bool WaveDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
+{
+	if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
+	{
+		if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
+		{
+			return true;
+		}
+	}
+
+	return false;
+}
+
+const AbstractDecoder::supportedType_t *WaveDecoder::supportedTypes(void)
+{
+	static const char *exts[] =
+	{
+		"wav", NULL
+	};
+
+	static const supportedType_t s_supportedTypes[] =
+	{
+		{ "Waveform Audio File", exts },
+		{ NULL, NULL }
+	};
+
+	return s_supportedTypes;
+}

src/Decoder_Wave.h

@@ -33,7 +33,7 @@ public:
 	virtual bool decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag);
 	
 	static bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList supportedTypes(void);
+	static const supportedType_t *supportedTypes(void);
 
 	static bool progressHandler(const double &progress, void *const data);
 	void updateProgress(const double &progress);

src/Dialog_MainWindow.cpp

@@ -2373,20 +2373,8 @@ void MainWindow::openFolderActionActivated(void)
 				return;
 			}
 
-			QRegExp regExp("\\((.+)\\)", Qt::CaseInsensitive);
-			const QStringList supportedTypes = DecoderRegistry::getSupportedTypes();
-			QStringList filterItems("*.*");
-			for(QStringList::ConstIterator iter = supportedTypes.constBegin(); iter != supportedTypes.constEnd(); iter++)
-			{
-				if(regExp.lastIndexIn(*iter) >= 0)
-				{
-					const QStringList extensions = regExp.cap(1).split(' ', QString::SkipEmptyParts);
-					for(QStringList::ConstIterator iter2 = extensions.constBegin(); iter2 != extensions.constEnd(); iter2++)
-					{
-						if(!filterItems.contains((*iter2), Qt::CaseInsensitive)) filterItems << (*iter2);
-					}
-				}
-			}
+			QStringList filterItems = DecoderRegistry::getSupportedExts();
+			filterItems.prepend("*.*");
 
 			bool okay;
 			QString filterStr = QInputDialog::getItem(this, tr("Filter Files"), tr("Select filename filter:"), filterItems, 0, false, &okay).trimmed();
@@ -2395,10 +2383,10 @@ void MainWindow::openFolderActionActivated(void)
 				return;
 			}
 
-			QRegExp regExp2("\\*\\.([A-Za-z0-9]+)", Qt::CaseInsensitive);
-			if(regExp2.lastIndexIn(filterStr) >= 0)
+			QRegExp regExp("\\*\\.([A-Za-z0-9]+)", Qt::CaseInsensitive);
+			if(regExp.lastIndexIn(filterStr) >= 0)
 			{
-				filterStr = regExp2.cap(1).trimmed();
+				filterStr = regExp.cap(1).trimmed();
 			}
 			else
 			{

src/PlaylistImporter.cpp

@@ -56,9 +56,6 @@ g_xmlEscapeSequence[] =
 	{NULL, NULL}
 };
 
-const char *PlaylistImporter::supportedExtensions = "*.m3u *.m3u8 *.pls *.asx *.wpl";
-
-
 ////////////////////////////////////////////////////////////
 // Public Functions
 ////////////////////////////////////////////////////////////
@@ -378,3 +375,13 @@ QString &PlaylistImporter::unescapeXml(QString &str)
 	
 	return str;
 }
+
+const char *const *const PlaylistImporter::getSupportedExtensions(void)
+{
+	static const char *const s_supportedExtensions[] =
+	{
+		"m3u", "m3u8", "pls", "asx", "wpl", NULL
+	};
+
+	return s_supportedExtensions;
+}

src/PlaylistImporter.h

@@ -39,8 +39,8 @@ public:
 		wplPlaylist
 	};
 
-	static const char *supportedExtensions;
 	static bool importPlaylist(QStringList &fileList, const QString &playlistFile);
+	static const char *const *const getSupportedExtensions(void);
 
 private:
 	PlaylistImporter(void) {}

src/Registry_Decoder.cpp

@@ -22,6 +22,7 @@
 
 #include "Registry_Decoder.h"
 
+//Internal
 #include "Decoder_AAC.h"
 #include "Decoder_AC3.h"
 #include "Decoder_ADPCM.h"
@@ -42,12 +43,31 @@
 #include "PlaylistImporter.h"
 #include "Model_Settings.h"
 
+//MUtils
+#include <MUtils/Exception.h>
+
+//Qt
 #include <QString>
 #include <QStringList>
+#include <QMutex>
 #include <QRegExp>
 
 #define PROBE_DECODER(DEC) if(DEC::isDecoderAvailable() && DEC::isFormatSupported(containerType, containerProfile, formatType, formatProfile, formatVersion)) { return new DEC(); }
-#define GET_FILETYPES(DEC) (DEC::isDecoderAvailable() ? DEC::supportedTypes() : QStringList())
+
+#define GET_FILETYPES(LIST, DEC) do \
+{ \
+	if(DEC::isDecoderAvailable()) (LIST) << DEC::supportedTypes(); \
+} \
+while(0)
+
+QMutex DecoderRegistry::m_lock(QMutex::Recursive);
+QScopedPointer<QStringList> DecoderRegistry::m_supportedExts;
+QScopedPointer<QStringList> DecoderRegistry::m_supportedTypes;
+QScopedPointer<DecoderRegistry::typeList_t> DecoderRegistry::m_availableTypes;
+
+////////////////////////////////////////////////////////////
+// Public Functions
+////////////////////////////////////////////////////////////
 
 AbstractDecoder *DecoderRegistry::lookup(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 {
@@ -72,54 +92,114 @@ AbstractDecoder *DecoderRegistry::lookup(const QString &containerType, const QSt
 	return NULL;
 }
 
-QStringList DecoderRegistry::getSupportedTypes(void)
+const QStringList &DecoderRegistry::getSupportedExts(void)
 {
-	QStringList types;
+	QMutexLocker locker(&m_lock);
 
-	types << GET_FILETYPES(WaveDecoder);
-	types << GET_FILETYPES(MP3Decoder);
-	types << GET_FILETYPES(VorbisDecoder);
-	types << GET_FILETYPES(AACDecoder);
-	types << GET_FILETYPES(AC3Decoder);
-	types << GET_FILETYPES(FLACDecoder);
-	types << GET_FILETYPES(WavPackDecoder);
-	types << GET_FILETYPES(MusepackDecoder);
-	types << GET_FILETYPES(ShortenDecoder);
-	types << GET_FILETYPES(MACDecoder);
-	types << GET_FILETYPES(TTADecoder);
-	types << GET_FILETYPES(SpeexDecoder);
-	types << GET_FILETYPES(ALACDecoder);
-	types << GET_FILETYPES(WMADecoder);
-	types << GET_FILETYPES(ADPCMDecoder);
-	types << GET_FILETYPES(OpusDecoder);
-	types << GET_FILETYPES(AvisynthDecoder);
-
-	QStringList extensions;
-	extensions << QString(PlaylistImporter::supportedExtensions).split(" ", QString::SkipEmptyParts);
-	QRegExp regExp("\\((.+)\\)", Qt::CaseInsensitive);
-
-	for(int i = 0; i < types.count(); i++)
+	if(!m_supportedExts.isNull())
 	{
-		if(regExp.lastIndexIn(types.at(i)) >= 0)
+		return (*m_supportedExts);
+	}
+
+	m_supportedExts.reset(new QStringList());
+
+	const typeList_t &types = getAvailableDecoderTypes();
+	for(QList<const AbstractDecoder::supportedType_t*>::ConstIterator iter = types.constBegin(); iter != types.constEnd(); iter++)
+	{
+		for(size_t i = 0; (*iter)[i].name; i++)
 		{
-			extensions << regExp.cap(1).split(" ", QString::SkipEmptyParts);
+			for(size_t j = 0; (*iter)[i].exts[j]; j++)
+			{
+				const QString ext = QString().sprintf("*.%s", (*iter)[i].exts[j]);
+				if(!m_supportedExts->contains(ext, Qt::CaseInsensitive))
+				{
+					(*m_supportedExts) << ext;
+				}
+			}
 		}
 	}
 
-	if(!extensions.empty())
-	{
-		extensions.removeDuplicates();
-		extensions.sort();
-		types.prepend(QString("%1 (%2)").arg(tr("All supported types"), extensions.join(" ")));
-	}
-	
-	types << QString("%1 (%2)").arg(tr("Playlists"), PlaylistImporter::supportedExtensions);
-	types << QString("%1 (*.*)").arg(tr("All files"));
+	m_supportedExts->sort();
+	return (*m_supportedExts);
+}
 
-	return types;
+const QStringList &DecoderRegistry::getSupportedTypes(void)
+{
+	QMutexLocker locker(&m_lock);
+
+	if(!m_supportedTypes.isNull())
+	{
+		return (*m_supportedTypes);
+	}
+
+	m_supportedTypes.reset(new QStringList());
+
+	const typeList_t &types = getAvailableDecoderTypes();
+	for(QList<const AbstractDecoder::supportedType_t*>::ConstIterator iter = types.constBegin(); iter != types.constEnd(); iter++)
+	{
+		for(size_t i = 0; (*iter)[i].name; i++)
+		{
+			QStringList extList;
+			for(size_t j = 0; (*iter)[i].exts[j]; j++)
+			{
+				extList << QString().sprintf("*.%s", (*iter)[i].exts[j]);
+			}
+			if(!extList.isEmpty())
+			{
+				(*m_supportedTypes) << QString("%1 (%2)").arg(QString::fromLatin1((*iter)[i].name), extList.join(" "));
+			}
+		}
+	}
+
+	QStringList playlistExts;
+	const char *const *const playlistPtr = PlaylistImporter::getSupportedExtensions();
+	for(size_t i = 0; playlistPtr[i]; i++)
+	{
+		playlistExts << QString().sprintf("*.%s", playlistPtr[i]);
+	}
+
+	(*m_supportedTypes) << QString("%1 (%2)").arg(tr("Playlists"), playlistExts.join(" "));
+	(*m_supportedTypes) << QString("%1 (*.*)").arg(tr("All files"));
+	m_supportedTypes->prepend(QString("%1 (%2 %3)").arg(tr("All supported types"), getSupportedExts().join(" "), playlistExts.join(" ")));
+
+	return (*m_supportedTypes);
 }
 
 void DecoderRegistry::configureDecoders(const SettingsModel *settings)
 {
 	OpusDecoder::setDisableResampling(settings->opusDisableResample());
 }
+
+////////////////////////////////////////////////////////////
+// Private Functions
+////////////////////////////////////////////////////////////
+
+const DecoderRegistry::typeList_t &DecoderRegistry::getAvailableDecoderTypes(void)
+{
+	if(!m_availableTypes.isNull())
+	{
+		return (*m_availableTypes);
+	}
+
+	m_availableTypes.reset(new typeList_t());
+
+	GET_FILETYPES(*m_availableTypes, WaveDecoder);
+	GET_FILETYPES(*m_availableTypes, MP3Decoder);
+	GET_FILETYPES(*m_availableTypes, VorbisDecoder);
+	GET_FILETYPES(*m_availableTypes, AACDecoder);
+	GET_FILETYPES(*m_availableTypes, AC3Decoder);
+	GET_FILETYPES(*m_availableTypes, FLACDecoder);
+	GET_FILETYPES(*m_availableTypes, WavPackDecoder);
+	GET_FILETYPES(*m_availableTypes, MusepackDecoder);
+	GET_FILETYPES(*m_availableTypes, ShortenDecoder);
+	GET_FILETYPES(*m_availableTypes, MACDecoder);
+	GET_FILETYPES(*m_availableTypes, TTADecoder);
+	GET_FILETYPES(*m_availableTypes, SpeexDecoder);
+	GET_FILETYPES(*m_availableTypes, ALACDecoder);
+	GET_FILETYPES(*m_availableTypes, WMADecoder);
+	GET_FILETYPES(*m_availableTypes, ADPCMDecoder);
+	GET_FILETYPES(*m_availableTypes, OpusDecoder);
+	GET_FILETYPES(*m_availableTypes, AvisynthDecoder);
+
+	return (*m_availableTypes);
+}

src/Registry_Decoder.h

@@ -23,10 +23,11 @@
 #pragma once
 
 #include <QObject>
+#include "Decoder_AAC.h"
 
 class QString;
 class QStringList;
-class AbstractDecoder;
+class QMutex;
 class SettingsModel;
 
 class DecoderRegistry : public QObject
@@ -36,5 +37,16 @@ class DecoderRegistry : public QObject
 public:
 	static void configureDecoders(const SettingsModel *settings);
 	static AbstractDecoder *lookup(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
-	static QStringList getSupportedTypes(void);
+	static const QStringList &getSupportedExts(void);
+	static const QStringList &getSupportedTypes(void);
+
+private:
+	typedef QList<const AbstractDecoder::supportedType_t*> typeList_t;
+
+	static QMutex m_lock;
+	static QScopedPointer<QStringList> m_supportedExts;
+	static QScopedPointer<QStringList> m_supportedTypes;
+	static QScopedPointer<typeList_t> m_availableTypes;
+
+	static const typeList_t &getAvailableDecoderTypes(void);
 };