Method InterruptingCache

tests/VideoCacheThread.cpp:362–363

    public:
        TestableVideoCacheThread* tcb;
        InterruptingCache(int64_t maxb, TestableVideoCacheThread* t)
            : CacheMemory(maxb), tcb(t) {}
        void Add(std::shared_ptr<openshot::Frame> frame) override {
            int64_t idx = frame->number;  // use public member 'number'
            CacheMemory::Add(frame);