~QuickSyncEncoder();
void set_http_mux(Mux *mux); // Does not take ownership. Must be called unless x264 is used for the stream.
+ void set_srt_mux(Mux *mux); // Does not take ownership. Must be called if SRT is to be used, unless x264 is used for the stream.
void add_audio(int64_t pts, std::vector<float> audio); // Thread-safe.
bool is_zerocopy() const; // Thread-safe.