From 16efffa403118ff72cef095d2aaf02e59eb5613b Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Sun, 23 May 2021 20:42:49 +1000
Subject: [PATCH] CueParser: Ignore pregap when index 0 is specified

Also corrects the previous track length when index 0 is specified.
---
 src/common/cue_parser.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/common/cue_parser.cpp b/src/common/cue_parser.cpp
index 7bea694b0..acfa2faef 100644
--- a/src/common/cue_parser.cpp
+++ b/src/common/cue_parser.cpp
@@ -452,7 +452,12 @@ bool File::SetTrackLengths(u32 line_number, Common::Error* error)
           return false;
         }
 
-        previous_track->length = MSF::FromLBA(track.start.ToLBA() - previous_track->start.ToLBA());
+        // Use index 0, otherwise index 1.
+        const MSF* start_index = track.GetIndex(0);
+        if (!start_index)
+          start_index = track.GetIndex(1);
+
+        previous_track->length = MSF::FromLBA(start_index->ToLBA() - previous_track->start.ToLBA());
       }
     }
   }