一、事件名称
ComposeMediaComplete
二、普通回调
如果选择普通回调模式，则回调 URL 会接收到来自云点播的 HTTP 请求。请求采用 POST 方法，请求内容在 BODY 中，如下所示（省略了值为 null 的字段）。
{ "EventType": "ComposeMediaComplete", "ComposeMediaCompleteEvent": { "TaskId": "1256768367-ComposeMedia-f5ac8127b3b6b85cdc13f237c6005d8", "Status": "FINISH", "ErrCode": 0, "Message": "SUCCESS", "Input": { "Tracks": [{ "Type": "Video", "TrackItems": [{ "Type": "Video", "SourceMedia": "5285485487985271487", "AudioOperations": [{ "Type": "Volume", "VolumeParam": { "Mute": 1 } }] }] }, { "Type": "Audio", "TrackItems": [{ "Type": "Empty", "EmptyItem": { "Duration": 5 } }, { "Type": "Audio", "AudioItem": { "SourceMedia": "5285485487985271488", "Duration": 15 } }, { "Type": "Audio", "AudioItem": { "SourceMedia": "5285485487985271489", "SourceMediaStartTime": 2, "Duration": 14 } } ] } ], "Output": { "FileName": "视频合成效果测试", "Container": "mp4" } }, "Output": { "FileType": "mp4", "FileId": 5285485487985271490, "FileUrl": "http://125676836723.vod2.myqcloud.com/xxx/xxx/xxx.mp4" } }}
三、可靠回调
如果选择可靠回调模式，调用 拉取事件通知 API 会接收到如下形式的 HTTP 应答（省略了值为 null 的字段）。
{ "Response":{ "EventSet":[ { "EventHandle":"EventHandle.N", "ComposeMediaCompleteEvent":{ "TaskId":"1256768367-ComposeMedia-f5ac8127b3b6b85cdc13f237c6005d8", "Status":"FINISH", "ErrCode":0, "Message":"SUCCESS", "Input":{ "Tracks":[ { "Type":"Video", "TrackItems":[ { "Type":"Video", "SourceMedia":"5285485487985271487", "AudioOperations":[ { "Type":"Volume", "VolumeParam":{ "Mute":1 } } ] } ] }, { "Type":"Audio", "TrackItems":[ { "Type":"Empty", "EmptyItem":{ "Duration":5 } }, { "Type":"Audio", "AudioItem":{ "SourceMedia":"5285485487985271488", "Duration":15 } }, { "Type":"Audio", "AudioItem":{ "SourceMedia":"5285485487985271489", "SourceMediaStartTime":2, "Duration":14 } } ] } ], "Output":{ "FileName":"视频合成效果测试", "Container":"mp4" } }, "Output":{ "FileType":"mp4", "FileId":5285485487985271490, "FileUrl":"http://125676836723.vod2.myqcloud.com/xxx/xxx/xxx.mp4" } } } ], "RequestId":"335bdaa3-db0e-46ce-9946-51941d9cb0f5" }}