Huge hack to load the mp3 reader and decoder.

Soundplay loads it and can play a crackling mp3, but MediaPlayer doesn't


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5572 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/media/PluginManager.h

@@ -3,6 +3,8 @@
 
 #include "ReaderPlugin.h"
 #include "DecoderPlugin.h"
+#include <TList.h>
+#include <Locker.h>
 
 status_t _CreateReader(Reader **reader, int32 *streamCount, media_file_format *mff, BDataIO *source);
 status_t _CreateDecoder(Decoder **decoder, media_codec_info *mci, const media_format *format);
@@ -10,4 +12,34 @@ status_t _CreateDecoder(Decoder **decoder, media_codec_info *mci, const media_fo
 void _DestroyReader(Reader *reader);
 void _DestroyDecoder(Decoder *decoder);
 
+status_t _PublishDecoder(DecoderPlugin *decoderplugin,
+						 const char *meta_description,
+						 const char *short_name,
+						 const char *pretty_name,
+						 const char *default_mapping /* = 0 */);
+
+class PluginManager
+{
+public:
+					PluginManager();
+					~PluginManager();
+	
+	MediaPlugin *	GetPlugin(const char *name);
+	void			PutPlugin(MediaPlugin *plugin);
+	
+private:
+	bool			LoadPlugin(const char *name, MediaPlugin **plugin, image_id *image);
+
+	struct plugin_info
+	{
+		char		name[260];
+		int			usecount;
+		MediaPlugin *plugin;
+		image_id	image;
+	};
+
+	List<plugin_info> *fPluginList;
+	BLocker 		*fLocker;
+};
+
 #endif