From 122dcdcb31d86722916ca04099715e80a6f6bd1b Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 10 Mar 2010 22:43:23 +0000
Subject: [PATCH] Fix some apparent +- errors in the audio vissualization. The
 bugs become only vissible at higher time resolution than what is used
 currently.

Originally committed as revision 22442 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 ffplay.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ffplay.c b/ffplay.c
index b42a2a20e5..82c07d434a 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -828,10 +828,10 @@ static void video_audio_display(VideoState *s)
            the last buffer computation */
         if (audio_callback_time) {
             time_diff = av_gettime() - audio_callback_time;
-            delay += (time_diff * s->audio_st->codec->sample_rate) / 1000000;
+            delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
         }
 
-        delay -= data_used / 2;
+        delay += 2*data_used;
         if (delay < data_used)
             delay = data_used;