From 7046ae55932f8fae83269871847cea9fd84c23f5 Mon Sep 17 00:00:00 2001
From: "Ronald S. Bultje" <rsbultje@gmail.com>
Date: Fri, 10 Feb 2012 10:51:43 -0800
Subject: [PATCH] tta: error out if samplerate is zero.

Prevents a division by zero later on.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit 7416d610362807848236ceff1bc6740dbc82842d)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
---
 libavcodec/tta.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/tta.c b/libavcodec/tta.c
index 4656ce12e6..c8daff278c 100644
--- a/libavcodec/tta.c
+++ b/libavcodec/tta.c
@@ -224,6 +224,9 @@ static av_cold int tta_decode_init(AVCodecContext * avctx)
         if (s->channels == 0) {
             av_log(s->avctx, AV_LOG_ERROR, "Invalid number of channels\n");
             return AVERROR_INVALIDDATA;
+        } else if (avctx->sample_rate == 0) {
+            av_log(s->avctx, AV_LOG_ERROR, "Invalid samplerate\n");
+            return AVERROR_INVALIDDATA;
         }
 
         switch(s->bps) {