+int AbstractClipItem::keyFrameNumber() const
+{
+ return m_keyframes.count();
+}
+
+int AbstractClipItem::checkForSingleKeyframe()
+{
+ // Check if we have only one keyframe
+ if (!m_keyframes.isEmpty() && m_keyframes.count() == 1) {
+ int min = (int) cropStart().frames(m_fps);
+ int max = (int)(cropStart() + cropDuration()).frames(m_fps) - 1;
+ if (m_keyframes.contains(min)) {
+ // Add keyframe at end of clip to allow inserting a new keframe in between
+ m_keyframes[max] = m_keyframes.value(min);
+ return m_keyframes.value(min);
+ }
+ }
+ return -1;
+}
+
+int AbstractClipItem::addKeyFrame(const GenTime &pos, const double value)