Initial commit.

protocol/metadata.proto

@@ -0,0 +1,154 @@
+message TopTracks {
+    optional string country = 1;
+    repeated Track track = 2;
+}
+message ActivityPeriod {
+    optional sint32 start_year = 1;
+    optional sint32 end_year = 2;
+    optional sint32 decade = 3;
+}
+message Artist {
+    optional bytes gid = 1;
+    optional string name = 2;
+    optional sint32 popularity = 3;
+    repeated TopTracks top_track = 4;
+    repeated AlbumGroup album_group = 5;
+    repeated AlbumGroup single_group = 6;
+    repeated AlbumGroup compilation_group = 7;
+    repeated AlbumGroup appears_on_group = 8;
+    repeated string genre = 9;
+    repeated ExternalId external_id = 10;
+    repeated Image portrait = 11;
+    repeated Biography biography = 12;
+    repeated ActivityPeriod activity_period = 13;
+    repeated Restriction restriction = 14;
+    repeated Artist related = 15;
+    optional bool is_portrait_album_cover = 16;
+    optional ImageGroup portrait_group = 17;
+}
+message AlbumGroup {
+    repeated Album album = 1;
+}
+message Date {
+    optional sint32 year = 1;
+    optional sint32 month = 2;
+    optional sint32 day = 3;
+}
+message Album {
+    enum Type {
+        ALBUM = 1;
+        SINGLE = 2;
+        COMPILATION = 3;
+    }
+    optional bytes gid = 1;
+    optional string name = 2;
+    repeated Artist artist = 3;
+    optional Type type = 4;
+    optional string label = 5;
+    optional Date date = 6;
+    optional sint32 popularity = 7;
+    repeated string genre = 8;
+    repeated Image cover = 9;
+    repeated ExternalId external_id = 10;
+    repeated Disc disc = 11;
+    repeated string review = 12;
+    repeated Copyright copyright = 13;
+    repeated Restriction restriction = 14;
+    repeated Album related = 15;
+    repeated SalePeriod sale_period  = 16;
+    optional ImageGroup cover_group  = 17;
+}
+
+message Track {
+    optional bytes gid = 1;
+    optional string name = 2;
+    optional Album album = 3;
+    repeated Artist artist = 4;
+    optional sint32 number = 5;
+    optional sint32 disc_number = 6;
+    optional sint32 duration = 7;
+    optional sint32 popularity = 8;
+    optional bool explicit = 9;
+    repeated ExternalId external_id = 10;
+    repeated Restriction restriction = 11;
+    repeated AudioFile file = 12;
+    repeated Track alternative = 13;
+    repeated SalePeriod sale_period = 14;
+    repeated AudioFile preview = 15;
+}
+message Image {
+    enum Size {
+        DEFAULT = 0;
+        SMALL = 1;
+        LARGE = 2;
+        XLARGE = 3;
+    }
+    optional bytes file_id = 1;
+    optional Size size = 2;
+    optional sint32 width = 3;
+    optional sint32 height = 4;
+}
+message ImageGroup {
+    repeated Image image = 1;
+}
+message Biography {
+    optional string text = 1;
+    repeated Image portrait = 2;
+    repeated ImageGroup portrait_group = 3;
+}
+message Disc {
+    optional sint32 number = 1;
+    optional string name = 2;
+    repeated Track track = 3;
+}
+message Copyright {
+    enum Type {
+        P = 0;
+        C = 1;
+    }
+    optional Type type = 1;
+    optional string text = 2;
+}
+message Restriction {
+    enum Catalogue {
+        FREE = 0;
+        PREMIUM = 1;
+        SHUFFLE = 3;
+        COMMERCIAL = 4;
+    }
+    enum Type {
+        STREAMING = 0;
+    }
+    repeated Catalogue catalogue = 1;
+    optional string countries_allowed = 2;
+    optional string countries_forbidden = 3;
+    optional Type type = 4;
+    repeated string usage = 5;
+}
+
+message SalePeriod {
+    repeated Restriction restriction = 1;
+    optional Date start = 2;
+    optional Date end = 3;
+}
+
+message ExternalId {
+    optional string type = 1;
+    optional string id = 2;
+}
+
+message AudioFile {
+    enum Format {
+        OGG_VORBIS_96 = 0;
+        OGG_VORBIS_160 = 1;
+        OGG_VORBIS_320 = 2;
+        MP3_256 = 3;
+        MP3_320 = 4;
+        MP3_160 = 5;
+        MP3_96 = 6;
+        OTHER1 = 7; // TODO
+        OTHER2 = 8; // TODO
+    }
+    optional bytes gid = 1;
+    optional Format format = 2;
+}