PSMs/RTSP_state_machine.json

{
  "states": ["Init", "Ready", "Play"],
  "initial_state": "Init",
  "final_states": ["Init"],
  "transitions": [
    {
      "from": "Init",
      "event": "cond default",
      "action": "send SETUP; reply NRM=1, RP=0.0",
      "to": "Ready"
    },
    {
      "from": "Init",
      "event": "cond Needs Redirect",
      "action": "send SETUP; reply 3rr Redirect",
      "to": "Init"
    },
    {
      "from": "Init",
      "event": "cond No Session hdr",
      "action": "send S -> C: REDIRECT; reply Terminate all SES",
      "to": "Init"
    },
    {
      "from": "Ready",
      "event": "cond New URI",
      "action": "send SETUP; reply NRM +=1",
      "to": "Ready"
    },
    {
      "from": "Ready",
      "event": "cond URI Setup prior",
      "action": "send SETUP; reply Change transport param",
      "to": "Ready"
    },
    {
      "from": "Ready",
      "event": "cond Prs URI",
      "action": "send TEARDOWN; reply No session hdr, NRM = 0",
      "to": "Init"
    },
    {
      "from": "Ready",
      "event": "cond md URI,NRM=1",
      "action": "send TEARDOWN; reply No Session hdr, NRM = 0",
      "to": "Init"
    },
    {
      "from": "Ready",
      "event": "cond md URI,NRM>1",
      "action": "send TEARDOWN; reply Session hdr, NRM -= 1",
      "to": "Ready"
    },
    {
      "from": "Ready",
      "event": "cond Prs URI, No range",
      "action": "send PLAY; reply Play from RP",
      "to": "Play"
    },
    {
      "from": "Ready",
      "event": "cond Prs URI, Range",
      "action": "send PLAY; reply According to range",
      "to": "Play"
    },
    {
      "from": "Ready",
      "event": "cond md URI, NRM=1, Range",
      "action": "send PLAY; reply According to range",
      "to": "Play"
    },
    {
      "from": "Ready",
      "event": "cond md URI, NRM=1",
      "action": "send PLAY; reply Play from RP",
      "to": "Play"
    },
    {
      "from": "Ready",
      "event": "cond Prs URI",
      "action": "send PAUSE; reply Return PP",
      "to": "Ready"
    },
    {
      "from": "Ready",
      "event": "cond Terminate-Reason",
      "action": "send SC:REDIRECT; reply Set RedP",
      "to": "Ready"
    },
    {
      "from": "Ready",
      "event": "cond No Terminate-Reason time parameter",
      "action": "send SC:REDIRECT; reply Session is removed",
      "to": "Init"
    },
    {
      "from": "Ready",
      "event": "cond default",
      "action": "timeout",
      "to": "Init"
    },
    {
      "from": "Ready",
      "event": "cond default",
      "action": "cond RedP reached; reply TEARDOWN of session",
      "to": "Init"
    },
    {
      "from": "Play",
      "event": "cond Prs URI",
      "action": "send PAUSE; reply Set RP to present point",
      "to": "Ready"
    },
    {
      "from": "Play",
      "event": "cond All media",
      "action": "set Set RP = End of media",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond default",
      "action": "set Set RP = End of range",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond Prs URI, No range",
      "action": "send PLAY; reply Play from present point",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond Prs URI, Range",
      "action": "send PLAY; reply According to range",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond default",
      "action": "send SC:PLAY_NOTIFY; reply 200",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond New URI",
      "action": "send SETUP; reply 455",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond md URI",
      "action": "send SETUP; reply 455",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond md URI, IFI",
      "action": "send SETUP; reply Change transport param.",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond Prs URI",
      "action": "send TEARDOWN; reply No session hdr",
      "to": "Init"
    },
    {
      "from": "Play",
      "event": "cond md URI,NRM=1",
      "action": "send TEARDOWN; reply No Session hdr, NRM=0",
      "to": "Init"
    },
    {
      "from": "Play",
      "event": "cond md URI",
      "action": "send TEARDOWN; reply 455",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond Terminate Reason with Time parameter",
      "action": "send SC:REDIRECT; reply Set RedP",
      "to": "Play"
    },
    {
      "from": "Play",
      "event": "cond default",
      "action": "send SC:REDIRECT; reply Session is removed",
      "to": "Init"
    },
    {
      "from": "Play",
      "event": "cond default",
      "action": "cond RedP reached; reply TEARDOWN of session",
      "to": "Init"
    },
    {
      "from": "Play",
      "event": "cond default",
      "action": "timeout; reply Stop Media playout",
      "to": "Init"
    }
  ]
}