Module state 

RTSP session state machine — RFC 2326 Appendix A.

Implements the client (§A.1) and server (§A.2) transition tables exactly as transcribed in docs/state-machines.md. State is tracked per session object (stream URL + session id); this module models a single object’s state.

The state-neutral methods OPTIONS, DESCRIBE, ANNOUNCE, GET_PARAMETER, and SET_PARAMETER are permitted in every state and never change it (RFC 2326 Appendix A intro). The state-affecting methods are SETUP, PLAY, PAUSE, TEARDOWN, RECORD, and REDIRECT.

Enums

SessionState

The lifecycle state of an RTSP session object (RFC 2326 §A.1 / §A.2).

Functions

client_next_state

Computes the next state for the client after receiving a 2xx success response to method sent in current state, per the RFC 2326 §A.1 client state table.

is_state_neutral

Returns true for the methods that do not affect session state and are therefore permitted in every state (RFC 2326 Appendix A intro).

server_next_state

Computes the next state for the server after sending a 2xx success response to a received method in current state, per the RFC 2326 §A.2 server state table.