Method Release

libavdevice/decklink_enc.cpp:133–144

    }
    virtual ULONG   STDMETHODCALLTYPE AddRef(void)                            { return ++_refs; }
    virtual ULONG   STDMETHODCALLTYPE Release(void)
    {
        int ret = --_refs;
        if (!ret) {
            av_frame_free(&_avframe);
            av_packet_free(&_avpacket);
            if (_ancillary)
                _ancillary->Release();
            delete this;
        }
        return ret;
    }

    struct decklink_ctx *_ctx;
    AVFrame *_avframe;