From 0c03cc68386443f1e96ab6fb358220faf67cd5ff Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Mon, 22 Oct 2012 18:50:32 +0200
Subject: mp3: exit on parsing error in mp_decode_frame

Properly forward mp_decode_layer3 errors, mp_decode_layer1 and
mp_decode_layer2 do not return errors.

Based on a patch by Michael Niedermayer.
---
 libavcodec/mpegaudiodec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index d08177e9eb..169254f5d7 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -1572,6 +1572,9 @@ static int mp_decode_frame(MPADecodeContext *s, OUT_INT *samples,
     default:
         nb_frames = mp_decode_layer3(s);
 
+        if (nb_frames < 0)
+            return nb_frames;
+
         s->last_buf_size=0;
         if (s->in_gb.buffer) {
             align_get_bits(&s->gb);
-- 
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