From 0e32d4e3a46c1154b9eaeb2cf0e3787dc76b8436 Mon Sep 17 00:00:00 2001
From: Chris Tallon <chris@vomp.tv>
Date: Sat, 25 Mar 2006 16:03:42 +0000
Subject: [PATCH] Patch for avoiding incorrect aspect switches

---
 demuxer.cc | 12 ++++++++++--
 demuxer.h  |  1 +
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/demuxer.cc b/demuxer.cc
index 1f553ae..be11edb 100644
--- a/demuxer.cc
+++ b/demuxer.cc
@@ -30,6 +30,7 @@ Demuxer::Demuxer()
   instance = this;
   initted = 0;
   callback = NULL;
+  arcnt = 0;
 }
 
 Demuxer::~Demuxer()
@@ -113,9 +114,16 @@ void Demuxer::setAspectRatio(enum AspectRatio ar)
 {
   if (aspect_ratio != ar)
   {
-    aspect_ratio = ar;
-    callback->call(this);
+    Log::getInstance()->log("Demux", Log::DEBUG, "Aspect ratio difference signalled");
+    if (++arcnt > 3) // avoid changing aspect ratio if glitch in signal
+    {
+      arcnt = 0;
+      aspect_ratio = ar;
+      callback->call(this);
+    }
   }
+  else
+    arcnt = 0;
 }
 
 int Demuxer::writeAudio(int fd)
diff --git a/demuxer.h b/demuxer.h
index 29930b5..f8e6e61 100644
--- a/demuxer.h
+++ b/demuxer.h
@@ -156,6 +156,7 @@ class Demuxer
     int horizontal_size;
     int vertical_size;
     enum AspectRatio aspect_ratio;
+    int arcnt;
     int frame_rate;
     int bit_rate;
     ULLONG video_pts;
-- 
2.39.5