From: Nicholas Guriev <nicholas@guriev.su>
Date: Fri, 28 May 2021 12:34:42 +0000 (+0300)
Subject: Reject reversed frames
X-Git-Tag: submit/tizen/20220408.011942~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea3030b32aa18aa551351455c152614abb7e2855;p=platform%2Fcore%2Fuifw%2Flottie-player.git

Reject reversed frames

Change-Id: I162cfaf0a68967f2e248a3c3af4a0fbb2ce30a54
Signed-off-by: jykeon <jykeon@samsung.com>
---

diff --git a/src/lottie/lottieparser.cpp b/src/lottie/lottieparser.cpp
index 3cb3f76..ebaaf3e 100644
--- a/src/lottie/lottieparser.cpp
+++ b/src/lottie/lottieparser.cpp
@@ -688,6 +688,10 @@ void LottieParserImpl::parseComposition()
         // don't have a valid bodymovin header
         return;
     }
+    if (comp->mStartFrame > comp->mEndFrame) {
+        // reveresed animation? missing data?
+        return;
+    }
     if (!IsValid()) {
         return;
     }