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Media Processing Service

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Glossary
DocumentationMedia Processing Service

Event Notification Overview

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Last updated: 2022-09-28 15:59:53
An event notification informs you of a file transcoding result, so you can move on to the next logical step.

Event Notification Definition

An event in MPS refers to a task status change of a file during transcoding. An event notification refers to a message notification that you will receive at the end of an event, which includes the file transcoding result.

Event Notification Types

Below are types of event notifications currently provided:
Event Type
Event Name
Description
WorkflowTask
WorkflowTaskEvent
Status change. The Status field of the event shows the specific status.
Generally, the status is FINISH, indicating that the task has ended. The task could have been completed successfully or failed.

Event Notification Mode

MPS uses TDMQ CMQ to send event notifications. When you use MPS, you need to activate TDMQ CMQ and authorize MPS before you can receive transcoding event notifications. If you do not activate TDMQ CMQ or do not configure the TDMQ CMQ queue address for event notification in a workflow template, you will not receive task event notifications from MPS.
Note:
If you use a TencentCloud API to receive TDMQ CMQ event messages, you need to acknowledge each individual message for the message to be removed from the queue; otherwise, the API will keep pulling the same event messages.
For more information on receiving TDMQ CMQ messages, please see Consuming Messages. For more information on acknowledging TDMQ CMQ messages, please see Deleting a Message.

Event Notification Sample

{
    "EventType":"WorkflowTask",
    "WorkflowTaskEvent":{
        "TaskId":"245****654-WorkflowTask-f46dac7fe2436c47******d71946986t0",
        "Status":"FINISH",
        "ErrCode":0,
        "Message":"",
        "InputInfo":{
            "Type":"COS",
            "CosInputInfo":{
                "Bucket":"macgzptest-125****654",
                "Region":"ap-guangzhou",
                "Object":"/dianping2.mp4"
            }
        },
        "MetaData":{
            "AudioDuration":11.261677742004395,
            "AudioStreamSet":[
                {
                    "Bitrate":127771,
                    "Codec":"aac",
                    "SamplingRate":44100
                }
            ],
            "Bitrate":2681468,
            "Container":"mov,mp4,m4a,3gp,3g2,mj2",
            "Duration":11.261677742004395,
            "Height":720,
            "Rotate":90,
            "Size":3539987,
            "VideoDuration":10.510889053344727,
            "VideoStreamSet":[
                {
                    "Bitrate":2553697,
                    "Codec":"h264",
                    "Fps":29,
                    "Height":720,
                    "Width":1280
                }
            ],
            "Width":1280
        },
        "MediaProcessResultSet":[
            {
                "Type":"Transcode",
                "TranscodeTask":{
                    "Status":"SUCCESS",
                    "ErrCode":0,
                    "Message":"SUCCESS",
                    "Input":{
                        "Definition":10,
                        "WatermarkSet":[
                            {
                                "Definition":515247,
                                "TextContent":"",
                                "SvgContent":""
                            }
                        ],
                        "OutputStorage":{
                            "Type":"COS",
                            "CosOutputStorage":{
                                "Bucket":"gztest-125****654",
                                "Region":"ap-guangzhou"
                            }
                        },
                        "OutputObjectPath":"/dasda/dianping2_transcode_10",
                        "SegmentObjectName":"/dasda/dianping2_transcode_10_{number}",
                        "ObjectNumberFormat":{
                            "InitialValue":0,
                            "Increment":1,
                            "MinLength":1,
                            "PlaceHolder":"0"
                        }
                    },
                    "Output":{
                        "OutputStorage":{
                            "Type":"COS",
                            "CosOutputStorage":{
                                "Bucket":"gztest-125****654",
                                "Region":"ap-guangzhou"
                            }
                        },
                        "Path":"/dasda/dianping2_transcode_10.mp4",
                        "Definition":10,
                        "Bitrate":293022,
                        "Height":320,
                        "Width":180,
                        "Size":401637,
                        "Duration":11.26200008392334,
                        "Container":"mov,mp4,m4a,3gp,3g2,mj2",
                        "Md5":"31dcf904c03d0cd78346a12c25c0acc9",
                        "VideoStreamSet":[
                            {
                                "Bitrate":244608,
                                "Codec":"h264",
                                "Fps":24,
                                "Height":320,
                                "Width":180
                            }
                        ],
                        "AudioStreamSet":[
                            {
                                "Bitrate":48414,
                                "Codec":"aac",
                                "SamplingRate":44100
                            }
                        ]
                    }
                },
                "AnimatedGraphicTask":null,
                "SnapshotByTimeOffsetTask":null,
                "SampleSnapshotTask":null,
                "ImageSpriteTask":null
            },
            {
                "Type":"AnimatedGraphics",
                "TranscodeTask":null,
                "AnimatedGraphicTask":{
                    "Status":"FAIL",
                    "ErrCode":30010,
                    "Message":"TencentVodPlatErr Or Unkown",
                    "Input":{
                        "Definition":20000,
                        "StartTimeOffset":0,
                        "EndTimeOffset":600,
                        "OutputStorage":{
                            "Type":"COS",
                            "CosOutputStorage":{
                                "Bucket":"gztest-125****654",
                                "Region":"ap-guangzhou"
                            }
                        },
                        "OutputObjectPath":"/dasda/dianping2_animatedGraphic_20000"
                    },
                    "Output":null
                },
                "SnapshotByTimeOffsetTask":null,
                "SampleSnapshotTask":null,
                "ImageSpriteTask":null
            },
            {
                "Type":"SnapshotByTimeOffset",
                "TranscodeTask":null,
                "AnimatedGraphicTask":null,
                "SnapshotByTimeOffsetTask":{
                    "Status":"SUCCESS",
                    "ErrCode":0,
                    "Message":"SUCCESS",
                    "Input":{
                        "Definition":10,
                        "TimeOffsetSet":[

                        ],
                        "WatermarkSet":[
                            {
                                "Definition":515247,
                                "TextContent":"",
                                "SvgContent":""
                            }
                        ],
                        "OutputStorage":{
                            "Type":"COS",
                            "CosOutputStorage":{
                                "Bucket":"gztest-125****654",
                                "Region":"ap-guangzhou"
                            }
                        },
                        "OutputObjectPath":"/dasda/dianping2_snapshotByOffset_10_{number}",
                        "ObjectNumberFormat":{
                            "InitialValue":0,
                            "Increment":1,
                            "MinLength":1,
                            "PlaceHolder":"0"
                        }
                    },
                    "Output":{
                        "Storage":{
                            "Type":"COS",
                            "CosOutputStorage":{
                                "Bucket":"gztest-125****654",
                                "Region":"ap-guangzhou"
                            }
                        },
                        "Definition":0,
                        "PicInfoSet":[
                            {
                                "TimeOffset":0,
                                "Path":"/dasda/dianping2_snapshotByOffset_10_0.jpg",
                                "WaterMarkDefinition":[
                                    515247
                                ]
                            }
                        ]
                    }
                },
                "SampleSnapshotTask":null,
                "ImageSpriteTask":null
            },
            {
                "Type":"ImageSprites",
                "TranscodeTask":null,
                "AnimatedGraphicTask":null,
                "SnapshotByTimeOffsetTask":null,
                "SampleSnapshotTask":null,
                "ImageSpriteTask":{
                    "Status":"SUCCESS",
                    "ErrCode":0,
                    "Message":"SUCCESS",
                    "Input":{
                        "Definition":10,
                        "OutputStorage":{
                            "Type":"COS",
                            "CosOutputStorage":{
                                "Bucket":"gztest-125****654",
                                "Region":"ap-guangzhou"
                            }
                        },
                        "OutputObjectPath":"/dasda/dianping2_imageSprite_10_{number}",
                        "WebVttObjectName":"/dasda/dianping2_imageSprite_10",
                        "ObjectNumberFormat":{
                            "InitialValue":0,
                            "Increment":1,
                            "MinLength":1,
                            "PlaceHolder":"0"
                        }
                    },
                    "Output":{
                        "Storage":{
                            "Type":"COS",
                            "CosOutputStorage":{
                                "Bucket":"gztest-125****654",
                                "Region":"ap-guangzhou"
                            }
                        },
                        "Definition":10,
                        "Height":80,
                        "Width":142,
                        "TotalCount":2,
                        "ImagePathSet":[
                            "/dasda/imageSprite/dianping2_imageSprite_10_0.jpg"
                        ],
                        "WebVttPath":"/dasda/imageSprite/dianping2_imageSprite_10.vtt"
                    }
                }
            }
        ]
    }
}
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