From 73bee3a4cda1c28a4aa785d4c3900da4740375fe Mon Sep 17 00:00:00 2001
From: Stefan Sayer <stefan.sayer@googlemail.com>
Date: Thu, 5 Jun 2008 14:01:29 +0000
Subject: [PATCH] added "autorewind" feature to be able to re-use AmAudioFile
 without explicit rewind()

git-svn-id: http://svn.berlios.de/svnroot/repos/sems/trunk@1008 8eb893ce-cfd4-0310-b710-fb5ebe64c474
---
 core/AmAudioFile.cpp | 7 ++++++-
 core/AmAudioFile.h   | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/AmAudioFile.cpp b/core/AmAudioFile.cpp
index bdef0ed8..7b188b2d 100644
--- a/core/AmAudioFile.cpp
+++ b/core/AmAudioFile.cpp
@@ -213,7 +213,7 @@ int AmAudioFile::fpopen_int(const string& filename, OpenMode mode, FILE* n_fp)
 
 AmAudioFile::AmAudioFile()
   : AmBufferedAudio(0, 0, 0), data_size(0), 
-    fp(0), begin(0), loop(false),
+    fp(0), begin(0), loop(false), autorewind(false),
     on_close_done(false),
     close_on_exit(true)
 {
@@ -322,6 +322,11 @@ int AmAudioFile::read(unsigned int user_ts, unsigned int size)
       rewind();
       goto read_block;
       }
+
+    if (autorewind.get() && data_size>0){
+      DBG("autorewinding audio file...\n");
+      rewind();
+    }
     
     ret = -2; // eof
   }
diff --git a/core/AmAudioFile.h b/core/AmAudioFile.h
index e9acbf35..59445329 100644
--- a/core/AmAudioFile.h
+++ b/core/AmAudioFile.h
@@ -106,6 +106,7 @@ protected:
 
 public:
   AmSharedVar<bool> loop;
+  AmSharedVar<bool> autorewind;
 
   AmAudioFile();
   ~AmAudioFile();