public static extern int jitter_buffer_update_delay(JitterBuffer *jitter, JitterBufferPacket *packet, int *start_offset);
public static extern int jitter_buffer_get(JitterBuffer *jitter, JitterBufferPacket *packet, int desired_span, int *start_offset);
public static extern int jitter_buffer_get_another(JitterBuffer *jitter, JitterBufferPacket *packet);
public static extern void jitter_buffer_put(JitterBuffer *jitter, JitterBufferPacket *packet);