void vlm_SendEventMediaInstanceStarted( vlm_t *, int64_t id, const char *psz_name );
void vlm_SendEventMediaInstanceStopped( vlm_t *, int64_t id, const char *psz_name );
void vlm_SendEventMediaInstanceStarted( vlm_t *, int64_t id, const char *psz_name );
void vlm_SendEventMediaInstanceStopped( vlm_t *, int64_t id, const char *psz_name );