From 5bafdcbfa3676f5adc62fbeb5d4be3b7c8c69372 Mon Sep 17 00:00:00 2001
From: Mira Grudzinska <veleveta@gmail.com>
Date: Tue, 15 Aug 2023 11:10:51 +0200
Subject: [PATCH] lottie_loader: return false for frameRate = 0

Loading a png file without giving a mimetype, resulted
in an error from the lottie loader.
---
 src/loaders/lottie/tvgLottieLoader.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/loaders/lottie/tvgLottieLoader.cpp b/src/loaders/lottie/tvgLottieLoader.cpp
index 548ef72e..eb077919 100644
--- a/src/loaders/lottie/tvgLottieLoader.cpp
+++ b/src/loaders/lottie/tvgLottieLoader.cpp
@@ -182,6 +182,11 @@ bool LottieLoader::header()
         ++p;
     }
 
+    if (frameRate < FLT_EPSILON) {
+        TVGLOG("LOTTIE", "Not a Lottie file? Frame rate is 0!");
+        return false;
+    }
+
     frameDuration = (endFrame - startFrame) / frameRate;
 
     TVGLOG("LOTTIE", "info: frame rate = %d, duration = %f size = %d x %d", frameRate, frameDuration, (int)w, (int)h);