первый коммит

main.v

@@ -0,0 +1,75 @@
+module main
+
+import os
+import metadata
+
+fn id3(){
+	// mut audio := os.open("./data/АЛИСА 11000.mp3") or { panic(err) }
+	// mut audio := os.open("./data/Глава 2. 16 и 17 июля.mp3") or { panic(err) }
+	mut audio := os.open("./data/01_01.mp3") or { panic(err) }
+	// mut audio := os.open("./test.mp3") or { panic(err) }
+
+	defer {
+		audio.close()
+	}
+
+	mut wav := metadata.Audio{}
+	wav.detect_tags(mut audio)
+
+	println(wav.id3v1.embedded)
+	println(wav.id3v23.embedded)
+	println(wav.id3v24.embedded)
+
+	if wav.id3v1.embedded {
+		last_bytes := metadata.get_bytes(mut audio, -128, 128)
+		wav.id3v1.get_metadata(last_bytes)
+
+		println(wav.id3v1)
+	}
+
+	if wav.id3v23.embedded {
+		wav.id3v23.get_full_size(mut audio)
+		wav.id3v23.fill_tag(mut audio)
+		println(wav.id3v23.to_v1())
+		wav.id3v23.tit2.encode_size(3)
+		println(wav.id3v23.tit2)
+	}
+
+	if wav.id3v24.embedded {
+		wav.id3v24.get_full_size(mut audio)
+		wav.id3v24.fill_tag(mut audio)
+		println(wav.id3v24.to_v1())
+		wav.id3v24.tit2.encode_size(4)
+		println(wav.id3v24.tit2)
+	}
+
+	// println(wav.id3v23)
+	// println(wav.id3v23.tit2)
+
+
+	// converted_idv31 := wav.id3v1.to_v23()
+	// println(converted_idv31)
+	// println(last_bytes)
+
+	// flex := wav.id3v1.to_bytes()
+
+	// audio.seek(-1, os.SeekMode.end) or { panic(err) }
+
+	// flex1 := audio.tell() or { panic(err) }
+
+	// mut all_bytes := audio.read_bytes(int(flex1))#[..-128]
+
+	// all_bytes << flex
+
+	// println(all_bytes.len)
+	// println(int(flex1))
+
+	// all_bytes := wav.id3v1.insert(mut audio, -128)
+
+	// os.write_bytes("./test.mp3", all_bytes) or { panic(err) }
+
+}
+
+fn main(){
+	id3()
+}