From d6867c0df34e40c40aca7612a04d701005a48573 Mon Sep 17 00:00:00 2001
From: Dylan De Faoite <dylanseandefaoite@gmail.com>
Date: Mon, 2 Feb 2026 23:58:53 +0000
Subject: [PATCH] fix: incorrect progress bar tracking

Hacky workaround that involves working with FFMPEG negative timestamping
---
 rewind/core.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/rewind/core.py b/rewind/core.py
index ff1e266..67824bb 100644
--- a/rewind/core.py
+++ b/rewind/core.py
@@ -180,6 +180,9 @@ def _concat_ts_files(file_list: list[str], start_offset: float, end_offset: floa
         bufsize=1,
     )
 
+    init_ms_val = 0
+    init_ms_val_set = False
+
     with tqdm(
         total=length,
         unit="s",
@@ -190,10 +193,17 @@ def _concat_ts_files(file_list: list[str], start_offset: float, end_offset: floa
     ) as pbar:
         for line in process.stdout:
             line = line.strip()
+            
 
             if line.startswith("out_time_ms="):
                 out_time_ms = int(line.split("=")[1])
-                seconds = round(out_time_ms / 1_000_000)
+
+                if not init_ms_val_set:
+                    init_ms_val = out_time_ms
+                    init_ms_val_set = True
+                out_time_ms -= init_ms_val
+
+                seconds = abs(out_time_ms / 1_000_000)
                 pbar.n = min(seconds, length)
                 pbar.refresh()