Fix a crash sorting without enough data

wusopp · Sep 9, 2020 · f32a02e · f32a02e
1 parent 038b8dd
commit f32a02e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/stream_unwrap.cpp b/stream_unwrap.cpp
@@ -179,6 +179,10 @@ bool StreamUnwrap::charge_reorder_queue(void){
 }
 
 void StreamUnwrap::sort_reorder_queue(void){
+    if (reorder_queue.size() < 2){
+        //nothing to sort if it's this small
+        return;
+    }
     auto av_old_back = reorder_queue.end();
     std::advance(av_old_back, -2);
     AVPacket &old_back = *av_old_back;