From 94593c9b52c2c8d6c2b11eb8b7a0ef1cb1d6f43c Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Tue, 3 Nov 2009 02:59:18 +0000
Subject: [PATCH] Revert r20050, which caused decoding errors with at least one
 valid AC-3 file.

Originally committed as revision 20437 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/ac3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/ac3.c b/libavcodec/ac3.c
index f0f14e360c..72312c7ed2 100644
--- a/libavcodec/ac3.c
+++ b/libavcodec/ac3.c
@@ -228,7 +228,7 @@ void ff_ac3_bit_alloc_calc_bap(int16_t *mask, int16_t *psd, int start, int end,
     band = bin_to_band_tab[start];
     do {
         int m = (FFMAX(mask[band] - snr_offset - floor, 0) & 0x1FE0) + floor;
-        int band_end = FFMIN(bin + ff_ac3_critical_band_size_tab[band], end);
+        int band_end = FFMIN(band_start_tab[band] + ff_ac3_critical_band_size_tab[band], end);
         for (; bin < band_end; bin++) {
             int address = av_clip((psd[bin] - m) >> 5, 0, 63);
             bap[bin] = bap_tab[address];