[downloader/fragment] Clarify current_fragment's index and mark as experimental

7 years ago · 85f6de25e4
parent 538eee7b6a
commit 85f6de25e4
1 changed files with 3 additions and 1 deletions
--- a/youtube_dl/downloader/fragment.py
+++ b/youtube_dl/downloader/fragment.py
@ -46,9 +46,11 @@ class FragmentFD(FileDownloader):
        Dictionary of downloader related data. May contain following data:
            current_fragment:
                Dictionary with current (being downloaded) fragment data:
-                index:  Index of current fragment among all fragments
+                index:  0-based index of current fragment among all fragments
            fragment_count:
                Total count of fragments
+                
+    This feature is experimental and file format may change in future.
    """

    def report_retry_fragment(self, err, frag_index, count, retries):