diff --git a/src/lottie/lottieitem.cpp b/src/lottie/lottieitem.cpp
index cb1bc2cd..4cd22e4c 100644
--- a/src/lottie/lottieitem.cpp
+++ b/src/lottie/lottieitem.cpp
@@ -443,7 +443,7 @@ VMatrix renderer::Layer::matrix(int frameNo) const
 bool renderer::Layer::visible() const
 {
     return (frameNo() >= mLayerData->inFrame() &&
-            frameNo() < mLayerData->outFrame());
+            frameNo() <= mLayerData->outFrame());
 }
 
 void renderer::Layer::preprocess(const VRect &clip)
diff --git a/src/lottie/lottiemodel.h b/src/lottie/lottiemodel.h
index 3e043085..745571e2 100644
--- a/src/lottie/lottiemodel.h
+++ b/src/lottie/lottiemodel.h
@@ -539,8 +539,8 @@ class Composition : public Object {
     {
         return long(frameAtPos(timeInSec / duration()));
     }
-    size_t totalFrame() const { return mEndFrame - mStartFrame; }
-    long   frameDuration() const { return mEndFrame - mStartFrame - 1; }
+    size_t totalFrame() const { return mEndFrame - mStartFrame + 1; }
+    long   frameDuration() const { return mEndFrame - mStartFrame; }
     float  frameRate() const { return mFrameRate; }
     size_t startFrame() const { return mStartFrame; }
     size_t endFrame() const { return mEndFrame; }
diff --git a/src/lottie/lottieparser.cpp b/src/lottie/lottieparser.cpp
index 83be17e3..2c1dc946 100644
--- a/src/lottie/lottieparser.cpp
+++ b/src/lottie/lottieparser.cpp
@@ -665,9 +665,9 @@ void LottieParserImpl::parseComposition()
         } else if (0 == strcmp(key, "h")) {
             comp->mSize.setHeight(GetInt());
         } else if (0 == strcmp(key, "ip")) {
-            comp->mStartFrame = GetDouble();
+            comp->mStartFrame = std::lround(GetDouble());
         } else if (0 == strcmp(key, "op")) {
-            comp->mEndFrame = GetDouble();
+            comp->mEndFrame = std::lround(GetDouble() - 0.01f);
         } else if (0 == strcmp(key, "fr")) {
             comp->mFrameRate = GetDouble();
         } else if (0 == strcmp(key, "assets")) {
@@ -999,7 +999,7 @@ model::Layer *LottieParserImpl::parseLayer()
         } else if (0 == strcmp(key, "ip")) {
             layer->mInFrame = std::lround(GetDouble());
         } else if (0 == strcmp(key, "op")) {
-            layer->mOutFrame = std::lround(GetDouble());
+            layer->mOutFrame = std::lround(GetDouble() - 0.01f);
         } else if (0 == strcmp(key, "st")) {
             layer->mStartFrame = GetDouble();
         } else if (0 == strcmp(key, "bm")) {