feat: Adds Audio Channel Metadata - #1036

scanner/metadata/taglib/taglib_test.go

@@ -29,6 +29,7 @@ var _ = Describe("Parser", func() {
 			Expect(m).To(HaveKeyWithValue("has_picture", []string{"true"}))
 			Expect(m).To(HaveKeyWithValue("duration", []string{"1.02"}))
 			Expect(m).To(HaveKeyWithValue("bitrate", []string{"192"}))
+			Expect(m).To(HaveKeyWithValue("channels", []string{"2"}))
 			Expect(m).To(HaveKeyWithValue("comment", []string{"Comment1\nComment2"}))
 			Expect(m).To(HaveKeyWithValue("lyrics", []string{"Lyrics 1\rLyrics 2"}))
 			Expect(m).To(HaveKeyWithValue("bpm", []string{"123"}))

scanner/metadata/taglib/taglib_wrapper.cpp

@@ -37,6 +37,7 @@ int taglib_read(const char *filename, unsigned long id) {
   go_map_put_int(id, (char *)"duration", props->length());
   go_map_put_int(id, (char *)"lengthinmilliseconds", props->lengthInMilliseconds());
   go_map_put_int(id, (char *)"bitrate", props->bitrate());
+  go_map_put_int(id, (char *)"channels", props->channels());
 
   TagLib::PropertyMap tags = f.file()->properties();