Fix freeze when gif has unlimited frame delay. If unlimited, set to 15

1 files changed, 7 insertions, 4 deletions

diff --git a/src/Gif.cpp b/src/Gif.cpp
index a9e7850..4d1295c 100644
--- a/src/Gif.cpp
+++ b/src/Gif.cpp
@@ -147,16 +147,19 @@ namespace dchat
         u32 startFrame = currentFrame;
         while(true)
         {
-            int i = currentFrame % gif.frame_count;
+            u32 i = currentFrame % gif.frame_count;
             gif_result code = gif_decode_frame(&gif, i);
             if(code != GIF_OK)
                 printf("Warning: gif_decode_frame: %s\n", gifResultToString(code));
             
             gif_frame &frame = gif.frames[i];
             // frame_delay is in centiseconds
-            double frameDelay = (double)frame.frame_delay;
-            if(timeElapsedCs >= frameDelay)
-                timeElapsedCs -= frameDelay;
+            unsigned int frameDelay = frame.frame_delay;
+            if(frameDelay == 0)
+                frameDelay = 7;
+            double fFrameDelay = (double)frameDelay;
+            if(timeElapsedCs >= fFrameDelay)
+                timeElapsedCs -= fFrameDelay;
             else
                 break;