step-function.json

{
  "Comment": "A state machine that orchestrates the analysis.",
  "StartAt": "Analyze Media",
  "States": {
    "Analyze Media": {
      "Type": "Parallel",
      "Next": "Store Results",
      "ResultPath": "$.final_metadata",
      "Branches": [{
          "StartAt": "Is Image",
          "States": {
            "Is Image": {
              "Type": "Choice",
              "Choices": [{
                "Or": [{
                    "Variable": "$.file_type",
                    "StringEquals": "png"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "jpg"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "jpeg"
                  }
                ],
                "Next": "Analyze Image"
              }],
              "Default": "Not an Image"
            },
            "Not an Image": {
              "Type": "Succeed"
            },
            "Analyze Image": {
              "Type": "Parallel",
              "End": true,
              "Branches": [{
                  "StartAt": "Image-Label Params",
                  "States": {
                    "Image-Label Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "image",
                        "function_name": "get_labels"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Image-Get Labels"
                    },
                    "Image-Get Labels": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.labels",
                      "End": true
                    }
                  }
                },
                {
                    "StartAt": "Image-Moderation-Label Params",
                    "States": {
                      "Image-Moderation-Label Params": {
                        "Type": "Pass",
                        "Result": {
                          "service_name": "image",
                          "function_name": "get_moderation_labels"
                      },
                        "ResultPath": "$.lambda",
                        "Next": "Image-Get Moderation-Labels"
                    },
                      "Image-Get Moderation-Labels": {
                        "Type": "Task",
                        "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                        "InputPath": "$",
                        "ResultPath": "$.results.moderation_labels",
                        "End": true
                    }
                  }
                },
                {
                  "StartAt": "Image-Celeb Params",
                  "States": {
                    "Image-Celeb Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "image",
                        "function_name": "get_celebs"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Image-Get Celebs"
                    },
                    "Image-Get Celebs": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.celebs",
                      "End": true
                    }
                  }
                },
                {
                  "StartAt": "Image-Face Params",
                  "States": {
                    "Image-Face Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "image",
                        "function_name": "get_faces"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Image-Get Faces"
                    },
                    "Image-Get Faces": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.faces",
                      "Next": "Image-Face-Match Params"
                    },
                    "Image-Face-Match Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "image",
                        "function_name": "get_face_matches"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Image-Get Face-Matches"
                    },
                    "Image-Get Face-Matches": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.face_matches",
                      "End": true
                    }
                  }
                },
                {
                    "StartAt": "Image-Detect-Text Params",
                    "States": {
                      "Image-Detect-Text Params": {
                        "Type": "Pass",
                        "Result": {
                          "service_name": "image",
                          "function_name": "get_detect_text"
                      },
                        "ResultPath": "$.lambda",
                        "Next": "Image-Get Detect-Text"
                    },
                      "Image-Get Detect-Text": {
                        "Type": "Task",
                        "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                        "InputPath": "$",
                        "ResultPath": "$.results.detect_text",
                        "End": true
                    }
                  }
                }
              ]
            }
          }
        },
        {
          "StartAt": "Is Audio",
          "States": {
            "Is Audio": {
              "Type": "Choice",
              "Choices": [
                {
                  "Variable": "$.file_type",
                  "StringEquals": "mp4",
                  "Next": "Convert to Audio"
                },
                {
                "Or": [{
                    "Variable": "$.file_type",
                    "StringEquals": "mp3"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "wav"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "wave"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "flac"
                  }
                ],
                "Next": "Audio-Submit Params"
              }],
              "Default": "Not Audio"
            },
            "Not Audio": {
              "Type": "Succeed"
            },
            "Convert to Audio": {
              "Type": "Pass",
              "Result": {
                "service_name": "media_convert",
                "function_name": "start_media_convert"
              },
              "ResultPath": "$.lambda",
              "Next": "Start MediaConvert"
            },
            "Start MediaConvert": {
              "Type": "Task",
              "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
              "InputPath": "$",
              "ResultPath": "$.mediaConvert",
              "Next": "Did MediaConvert Start"
            },
            "Did MediaConvert Start": {
              "Type": "Choice",
              "Choices": [{
                "Variable": "$.mediaConvert.jobDidStart",
                "BooleanEquals": true,
                "Next": "MediaConvert Wait"
              }],
              "Default": "Job Failed"
            },
            "MediaConvert Wait": {
              "Type": "Wait",
              "Seconds": 30,
              "Next": "Get MediaConvert Status Params"
            },
            "Get MediaConvert Status Params": {
              "Type": "Pass",
              "Result": {
                "service_name": "media_convert",
                "function_name": "get_status"
              },
              "ResultPath": "$.lambda",
              "Next": "Get MediaConvert Status"
            },
            "Get MediaConvert Status": {
              "Type": "Task",
              "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
              "InputPath": "$",
              "ResultPath": "$",
              "Next": "Did MediaConvert Complete"
            },
            "Did MediaConvert Complete": {
              "Type": "Choice",
              "Choices": [
                {
                  "Variable": "$.mediaConvert.status",
                  "StringEquals": "FAILED",
                  "Next": "Job Failed"
                },
                {
                  "Variable": "$.mediaConvert.status",
                  "StringEquals": "COMPLETE",
                  "Next": "Audio-Submit Params"
                }
              ],
              "Default": "MediaConvert Wait"
            },
            "Audio-Submit Params": {
              "Type": "Pass",
              "Result": {
                "service_name": "transcribe",
                "function_name": "start_transcription"
              },
              "ResultPath": "$.lambda",
              "Next": "Start Transcription"
            },
            "Start Transcription": {
              "Type": "Task",
              "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
              "InputPath": "$",
              "ResultPath": "$.transcribe",
              "Next": "Did Transcription Start"
            },
            "Did Transcription Start": {
              "Type": "Choice",
              "Choices": [{
                  "Variable": "$.transcribe.jobDidStart",
                  "BooleanEquals": true,
                  "Next": "Transcription Wait"
                }
              ],
              "Default": "Job Failed"
            },
            "Transcription Wait": {
              "Type": "Wait",
              "Seconds": 30,
              "Next": "Get Transcription Status Params"
            },
            "Get Transcription Status Params": {
              "Type": "Pass",
              "Result": {
                "service_name": "transcribe",
                "function_name": "get_status"
              },
              "ResultPath": "$.lambda",
              "Next": "Get Transcription Status"
            },
            "Get Transcription Status": {
              "Type": "Task",
              "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
              "Next": "Did Transcription Complete",
              "InputPath": "$",
              "ResultPath": "$.transcribe.status"
            },
            "Did Transcription Complete": {
              "Type": "Choice",
              "Choices": [{
                  "Variable": "$.transcribe.status",
                  "StringEquals": "FAILED",
                  "Next": "Job Failed"
                },
                {
                  "Variable": "$.transcribe.status",
                  "StringEquals": "MP4 FAILED",
                  "Next": "Audio-Results Params"
                },
                {
                  "Variable": "$.transcribe.status",
                  "StringEquals": "COMPLETED",
                  "Next": "Audio-Results Params"
                }
              ],
              "Default": "Transcription Wait"
            },
            "Audio-Results Params": {
              "Type": "Pass",
              "Result": {
                "service_name": "transcribe",
                "function_name": "get_results"
              },
              "ResultPath": "$.lambda",
              "Next": "Get Results"
            },
            "Get Results": {
              "Type": "Task",
              "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
              "Next": "Get Comprehension",
              "InputPath": "$",
              "ResultPath": "$.results.transcript"
            },
            "Job Failed": {
              "Type": "Fail",
              "Cause": "Transcription failed"
            },
            "Get Comprehension": {
              "Type": "Parallel",
              "End": true,
              "Branches": [{
                  "StartAt": "Entity Params",
                  "States": {
                    "Entity Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "comprehend",
                        "function_name": "get_entities"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Get Entities"
                    },
                    "Get Entities": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.entities",
                      "End": true
                    }
                  }
                },
                {
                  "StartAt": "Phrase Params",
                  "States": {
                    "Phrase Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "comprehend",
                        "function_name": "get_phrases"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Get Phrases"
                    },
                    "Get Phrases": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.phrases",
                      "End": true
                    }
                  }
                }
              ]
            }
          }
        },
        {
          "StartAt": "Is Video",
          "States": {
            "Is Video": {
              "Type": "Choice",
              "Choices": [{
                "Or": [{
                    "Variable": "$.file_type",
                    "StringEquals": "mov"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "mp4"
                  }
                ],
                "Next": "Analyze Video"
              }],
              "Default": "Not a Video"
            },
            "Not a Video": {
              "Type": "Succeed"
            },
            "Analyze Video": {
              "Type": "Parallel",
              "End": true,
              "Branches": [{
                  "StartAt": "Video-Label Params",
                  "States": {
                    "Video-Label Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "start_labels"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Video-Start Labels"
                    },
                    "Video-Start Labels": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.video",
                      "Next": "Labels Wait"
                    },
                    "Labels Wait": {
                      "Type": "Wait",
                      "Seconds": 30,
                      "Next": "Labels Status Params"
                    },
                    "Labels Status Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "check_status"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Labels Get Status"
                    },
                    "Labels Get Status": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "Next": "Labels Complete",
                      "InputPath": "$",
                      "ResultPath": "$.video.status"
                    },
                    "Labels Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.video.status",
                          "StringEquals": "FAILED",
                          "Next": "Labels Failed"
                        },
                        {
                          "Variable": "$.video.status",
                          "StringEquals": "SUCCEEDED",
                          "Next": "Labels-Results Params"
                        }
                      ],
                      "Default": "Labels Wait"
                    },
                    "Labels-Results Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "get_results"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Get Label Results"
                    },
                    "Get Label Results": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.labels",
                      "Next": "Label Results Complete"
                    },
                    "Label Results Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.results.labels.status",
                          "StringEquals": "IN PROGRESS",
                          "Next": "Get Label Results"
                        },
                        {
                          "Variable": "$.results.labels.status",
                          "StringEquals": "COMPLETE",
                          "Next": "Labels Succeeded"
                        }
                      ],
                      "Default": "Labels Failed"
                    },
                    "Labels Failed": {
                      "Type": "Fail",
                      "Cause": "Video label detection failed"
                    },
                    "Labels Succeeded": {
                      "Type": "Succeed"
                    }
                  }
                },
                {
                  "StartAt": "Video-Celeb Params",
                  "States": {
                    "Video-Celeb Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "start_celebs"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Video-Start Celebs"
                    },
                    "Video-Start Celebs": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.video",
                      "Next": "Celebs Wait"
                    },
                    "Celebs Wait": {
                      "Type": "Wait",
                      "Seconds": 30,
                      "Next": "Celeb Status Params"
                    },
                    "Celeb Status Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "check_status"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Celeb Get Status"
                    },
                    "Celeb Get Status": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "Next": "Celebs Complete",
                      "InputPath": "$",
                      "ResultPath": "$.video.status"
                    },
                    "Celebs Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.video.status",
                          "StringEquals": "FAILED",
                          "Next": "Celebs Failed"
                        },
                        {
                          "Variable": "$.video.status",
                          "StringEquals": "SUCCEEDED",
                          "Next": "Celebs-Results Params"
                        }
                      ],
                      "Default": "Celebs Wait"
                    },
                    "Celebs-Results Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "get_results"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Get Celeb Results"
                    },
                    "Get Celeb Results": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.celebs",
                      "Next": "Celeb Results Complete"
                    },
                    "Celeb Results Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.results.celebs.status",
                          "StringEquals": "IN PROGRESS",
                          "Next": "Get Celeb Results"
                        },
                        {
                          "Variable": "$.results.celebs.status",
                          "StringEquals": "COMPLETE",
                          "Next": "Celebs Succeeded"
                        }
                      ],
                      "Default": "Celebs Failed"
                    },
                    "Celebs Failed": {
                      "Type": "Fail",
                      "Cause": "Video celeb detection failed"
                    },
                    "Celebs Succeeded": {
                      "Type": "Succeed"
                    }
                  }
                },
                {
                  "StartAt": "Video-Face Params",
                  "States": {
                    "Video-Face Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "start_faces"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Video-Start Faces"
                    },
                    "Video-Start Faces": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.video",
                      "Next": "Faces Wait"
                    },
                    "Faces Wait": {
                      "Type": "Wait",
                      "Seconds": 30,
                      "Next": "Face Status Params"
                    },
                    "Face Status Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "check_status"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Face Get Status"
                    },
                    "Face Get Status": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "Next": "Faces Complete",
                      "InputPath": "$",
                      "ResultPath": "$.video.status"
                    },
                    "Faces Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.video.status",
                          "StringEquals": "FAILED",
                          "Next": "Faces Failed"
                        },
                        {
                          "Variable": "$.video.status",
                          "StringEquals": "SUCCEEDED",
                          "Next": "Faces-Results Params"
                        }
                      ],
                      "Default": "Faces Wait"
                    },
                    "Faces-Results Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "get_results"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Get Face Results"
                    },
                    "Get Face Results": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.faces",
                      "Next": "Face Results Complete"
                    },
                    "Face Results Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.results.faces.status",
                          "StringEquals": "IN PROGRESS",
                          "Next": "Get Face Results"
                        },
                        {
                          "Variable": "$.results.faces.status",
                          "StringEquals": "COMPLETE",
                          "Next": "Faces Succeeded"
                        }
                      ],
                      "Default": "Faces Failed"
                    },
                    "Faces Failed": {
                      "Type": "Fail",
                      "Cause": "Video face detection failed"
                    },
                    "Faces Succeeded": {
                      "Type": "Succeed"
                    }
                  }
                },
                {
                  "StartAt" : "Video-Face-Match Params",
                  "States": {
                    "Video-Face-Match Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "start_face_search"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Video-Start Face-Match"
                    },
                    "Video-Start Face-Match": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.video",
                      "Next": "Face-Match Wait"
                    },
                    "Face-Match Wait": {
                      "Type": "Wait",
                      "Seconds": 30,
                      "Next": "Face-Match Status Params"
                    },
                    "Face-Match Status Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "check_status"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Face-Match Get Status"
                    },
                    "Face-Match Get Status": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "Next": "Face-Match Complete",
                      "InputPath": "$",
                      "ResultPath": "$.video.status"
                    },
                    "Face-Match Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.video.status",
                          "StringEquals": "FAILED",
                          "Next": "Face-Match Failed"
                        },
                        {
                          "Variable": "$.video.status",
                          "StringEquals": "SUCCEEDED",
                          "Next": "Face-Match-Results Params"
                        },
                        {
                          "Variable": "$.video.status",
                          "StringEquals": "NO COLLECTION",
                          "Next": "Face-Match No Collection"
                        }
                      ],
                      "Default": "Face-Match Wait"
                    },
                    "Face-Match Failed": {
                      "Type": "Fail",
                      "Cause": "Video face matching failed"
                    },
                    "Face-Match Succeeded": {
                      "Type": "Succeed"
                    },
                    "Face-Match No Collection": {
                      "Type": "Pass",
                      "Result": {
                        "face_matches": null,
                        "key": null,
                        "status": "COMPLETE"
                      },
                      "ResultPath": "$.results.face_matches",
                      "Next": "Face-Match End"
                    },
                    "Face-Match End": {
                      "Type": "Succeed"
                    },
                    "Face-Match-Results Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "get_results"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Get Face-Match Results"
                    },
                    "Get Face-Match Results": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.face_matches",
                      "Next": "Face-Match Results Complete"
                    },
                    "Face-Match Results Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.results.face_matches.status",
                          "StringEquals": "IN PROGRESS",
                          "Next": "Get Face-Match Results"
                        },
                        {
                          "Variable": "$.results.face_matches.status",
                          "StringEquals": "COMPLETE",
                          "Next": "Face-Match Succeeded"
                        }
                      ],
                      "Default": "Face-Match Failed"
                    }
                  }
                },
                {
                  "StartAt": "Video-Person Params",
                  "States": {
                    "Video-Person Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "start_persons"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Video-Start Persons"
                    },
                    "Video-Start Persons": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.video",
                      "Next": "Persons Wait"
                    },
                    "Persons Wait": {
                      "Type": "Wait",
                      "Seconds": 30,
                      "Next": "Persons Status Params"
                    },
                    "Persons Status Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "check_status"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Persons Get Status"
                    },
                    "Persons Get Status": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "Next": "Persons Complete",
                      "InputPath": "$",
                      "ResultPath": "$.video.status"
                    },
                    "Persons Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.video.status",
                          "StringEquals": "FAILED",
                          "Next": "Persons Failed"
                        },
                        {
                          "Variable": "$.video.status",
                          "StringEquals": "SUCCEEDED",
                          "Next": "Persons-Results Params"
                        }
                      ],
                      "Default": "Persons Wait"
                    },
                    "Persons-Results Params": {
                      "Type": "Pass",
                      "Result": {
                        "service_name": "video",
                        "function_name": "get_results"
                      },
                      "ResultPath": "$.lambda",
                      "Next": "Get Persons Results"
                    },
                    "Get Persons Results": {
                      "Type": "Task",
                      "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
                      "InputPath": "$",
                      "ResultPath": "$.results.persons",
                      "Next": "Persons Results Complete"
                    },
                    "Persons Results Complete": {
                      "Type": "Choice",
                      "Choices": [{
                          "Variable": "$.results.persons.status",
                          "StringEquals": "IN PROGRESS",
                          "Next": "Get Persons Results"
                        },
                        {
                          "Variable": "$.results.persons.status",
                          "StringEquals": "COMPLETE",
                          "Next": "Persons Succeeded"
                        }
                      ],
                      "Default": "Persons Failed"
                    },
                    "Persons Failed": {
                      "Type": "Fail",
                      "Cause": "Video face detection failed"
                    },
                    "Persons Succeeded": {
                      "Type": "Succeed"
                    }
                  }
                }
              ]
            }
          }
        }
      ]
    },
    "Store Results": {
      "Type": "Parallel",
      "End": true,
      "Branches": [
        {
          "StartAt": "Is Valid Format",
          "States": {
            "Is Valid Format": {
              "Type": "Choice",
              "Choices": [{
                "Or": [{
                    "Variable": "$.file_type",
                    "StringEquals": "png"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "jpg"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "jpeg"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "mp4"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "mov"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "mp3"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "flac"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "wav"
                  },
                  {
                    "Variable": "$.file_type",
                    "StringEquals": "wave"
                  }
                ],
                "Next": "ContentModeration Params"
              }],
              "Default": "Not Valid Format"
            },
            "ContentModeration Params": {
              "Type": "Pass",
              "Result": {
                "service_name": "moderation",
                "function_name": "moderate_content"
              },
              "ResultPath": "$.lambda",
              "Next": "Moderate Content"
            },
            "Moderate Content": {
              "Type": "Task",
              "InputPath": "$",
              "ResultPath": "$.contentModeration",
              "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
              "Next": "Is Content Safe"
            },
            "Is Content Safe": {
            "Type": "Choice",
            "Choices": [
                  {
                    "Variable": "$.contentModeration",
                    "StringEquals": "SafeContent",
                    "Next": "ElasticSearch Params"
                  }
                ],
                "Default": "Not Safe Content"
            },
            "Not Safe Content": {
              "Type": "Succeed"
            },
            "ElasticSearch Params": {
              "Type": "Pass",
              "Result": {
                "service_name": "elasticsearch",
                "function_name": "index_doc"
              },
              "ResultPath": "$.lambda",
              "Next": "Index Metadata"
            },
            "Index Metadata": {
              "Type": "Task",
              "InputPath": "$",
              "Resource": "REPLACE-WITH-ARN-OF-YOUR-LAMBDA-FUNCTION",
              "End": true
            },
            "Not Valid Format": {
              "Type": "Succeed"
            }
          }
        }
      ]
    }
  }
}