Fix crash on composition resize

src/assets/keyframes/model/keyframemodel.cpp

@@ -703,7 +703,7 @@ QString KeyframeModel::getAnimProperty() const
     }
     int ix = 0;
     bool first = true;
-    std::shared_ptr<Mlt::Animation> anim;
+    std::shared_ptr<Mlt::Animation> anim(nullptr);
     for (const auto &keyframe : m_keyframeList) {
         if (first) {
             switch (m_paramType) {
@@ -731,9 +731,12 @@ QString KeyframeModel::getAnimProperty() const
         anim->key_set_type(ix, convertToMltType(keyframe.second.first));
         ix++;
     }
-    char *cut = anim->serialize_cut();
-    QString ret(cut);
-    free(cut);
+    QString ret;
+    if (anim) {
+        char *cut = anim->serialize_cut();
+        ret = QString(cut);
+        free(cut);
+    }
     return ret;
 }
 

src/assets/keyframes/model/keyframemodellist.cpp

@@ -384,7 +384,7 @@ void KeyframeModelList::resizeKeyframes(int oldIn, int oldOut, int in, int out,
                     }
                 }
             }
-        } else {
+        } else if (oldIn != in) {
             GenTime old_in(oldIn, pCore->getCurrentFps());
             GenTime new_in(in, pCore->getCurrentFps());
             Keyframe kf = getKeyframe(old_in, &ok);
@@ -418,7 +418,6 @@ void KeyframeModelList::resizeKeyframes(int oldIn, int oldOut, int in, int out,
                     break;
                 }
             }
-            
             // qDebug()<<"/// \n\nKEYS TO DELETE: "<<positions<<"\n------------------------";
         }
     } else {