added the new media_meta_description and changed codec API to use it

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5494 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/media/MediaDefs.h

@@ -599,8 +599,8 @@ typedef enum {
 	B_WAV_FORMAT_FAMILY = 6,
 	B_AIFF_FORMAT_FAMILY = 7,
 	B_AVR_FORMAT_FAMILY = 8,
-	
-	B_MISC_FORMAT_FAMILY = 99999
+	B_MISC_FORMAT_FAMILY = 99999,
+	B_META_FORMAT_FAMILY = 100000
 } media_format_family;
 
 struct media_file_format {

headers/os/media/MediaFormats.h

@@ -118,6 +118,10 @@ typedef struct {
 	uint32 codec;
 } media_misc_description;
 
+typedef struct {
+	char description[48];
+} media_meta_description;
+
 typedef struct _media_format_description {
 #if defined(__cplusplus)
 	_media_format_description();
@@ -137,6 +141,7 @@ typedef struct _media_format_description {
 		media_aiff_description aiff;
 		media_misc_description misc;
 		media_avr_description avr;
+		media_meta_description meta;
 		uint32 _reserved_[12];
 	} u;
 } media_format_description;

headers/private/media/DecoderPlugin.h

@@ -44,8 +44,7 @@ public:
 
 	virtual Decoder *NewDecoder() = 0;
 	
-	status_t PublishDecoder(const char *short_name, const char *pretty_name, const media_format_description &fmt_desc, media_type fmt_type);
-	status_t PublishDecoder(const char *short_name, const char *pretty_name, const media_format &fmt);
+	status_t PublishDecoder(const char *meta_description, const char *short_name, const char *pretty_name, const char *default_mapping = 0);
 };
 
 } } // namespace BPrivate::media