From 79e250e999b7002dc39fa8ee31630fabde6132a8 Mon Sep 17 00:00:00 2001
From: James Dong <jdong@google.com>
Date: Tue, 15 May 2012 17:53:52 -0700
Subject: [PATCH] If number of audio channels returned is 0, report an error

related-to-bug: 6500580

Change-Id: I55cab0bde30841c31f671d03f99c59d337fea564
---
 proprietary/wvm/WVMExtractorImpl.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/proprietary/wvm/WVMExtractorImpl.cpp b/proprietary/wvm/WVMExtractorImpl.cpp
index 3f35a8e4..d4498cab 100644
--- a/proprietary/wvm/WVMExtractorImpl.cpp
+++ b/proprietary/wvm/WVMExtractorImpl.cpp
@@ -264,6 +264,11 @@ status_t WVMExtractorImpl::readMetaData()
     if (result != WV_Status_OK)
         return ERROR_MALFORMED;
 
+    if (numChannels == 0) {
+        ALOGD("numChannels is 0!");
+        return ERROR_MALFORMED;
+    }
+
     std::string durationString = WV_Info_GetDuration(mSession, "sec");
     if (durationString == "") {
         // We won't have a duration for live streams, and Stagefright doesn't seem to