X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Faudio_examiner.h;h=a1d952c35ef6a97b125c6350d18b9f1725328617;hp=d6d4dbe9778607dd8448c34893d2c811775354b6;hb=386e25f3b9d3fa59cbdeed458d9b3e0d21e338b8;hpb=1f82930e73679d6aec5223caa255f564339a1a2a

diff --git a/src/lib/audio_examiner.h b/src/lib/audio_examiner.h
index d6d4dbe97..a1d952c35 100644
--- a/src/lib/audio_examiner.h
+++ b/src/lib/audio_examiner.h
@@ -1,26 +1,32 @@
 /*
     Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
+#ifndef DCPOMATIC_AUDIO_EXAMINER_H
+#define DCPOMATIC_AUDIO_EXAMINER_H
+
 /** @file  src/lib/audio_examiner.h
  *  @brief AudioExaminer class.
  */
 
+#include "types.h"
+
 /** @class AudioExaminer
  *  @brief Parent for classes which examine AudioContent for their pertinent details.
  */
@@ -29,7 +35,10 @@ class AudioExaminer
 public:
 	virtual ~AudioExaminer () {}
 
+	virtual bool has_audio () const = 0;
 	virtual int audio_channels () const = 0;
-	virtual ContentTime audio_length () const = 0;
+	virtual Frame audio_length () const = 0;
 	virtual int audio_frame_rate () const = 0;
 };
+
+#endif