Cleaning up attachment management

include/transcoder.h

@@ -1,3 +1,8 @@
+//
+// Created by Anonymus Raccoon on 15/12/2019.
+//
+
+
 #pragma once
 #include "export.h"
 #include "stream.h"
@@ -6,7 +11,11 @@ API int transmux(const char *path, const char *out_path, float *playable_duratio
 
 //API int transcode(const char *path, const char *out_path, float *playable_duration);
 
-API stream *extract_infos(const char *path, const char *out_path, unsigned *stream_count, unsigned *track_count);
+API stream *extract_infos(const char *path,
+						  const char *out_path,
+						  unsigned *stream_count,
+						  unsigned *track_count,
+						  bool reextract);
 
 void destroy_stream(stream *s);