Speculative simplification of FFmpegStream::uses_index.

diff --git a/src/lib/ffmpeg_stream.cc b/src/lib/ffmpeg_stream.cc
index ad99defeef35852ca6e725965e70f6e78ac12031..f28a2f14e7e7f78ccabe5815a43e539757c639f8 100644 (file)
--- a/src/lib/ffmpeg_stream.cc
+++ b/src/lib/ffmpeg_stream.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -45,15 +45,7 @@ FFmpegStream::as_xml (xmlpp::Node* root) const
 bool
 FFmpegStream::uses_index (AVFormatContext const * fc, int index) const
 {
-       size_t i = 0;
-       while (i < fc->nb_streams) {
-               if (fc->streams[i]->id == _id) {
-                       return int (i) == index;
-               }
-               ++i;
-       }
-
-       return false;
+       return fc->streams[index]->id == _id;
 }
 
 AVStream *