智能媒体服务这个websdk预览时间线加载不出来是哪导致的?{
"VideoTracks": [
{
"VideoTrackClips": [],
"Count": 0,
"Type": "Video",
"Visible": true,
"Id": 1
},
{
"VideoTrackClips": [
{
"MediaId": "9d5be4d011db71ef988ff6e7d7696302",
"MediaURL": "https:\/\/oss.zwdev.duanshipin.com\/company\/1\/default\/17156820402205112.mp4",
"Type": "Video",
"In": 3,
"Out": 6,
"Speed": 0.75,
"TimelineIn": 0,
"TimelineOut": 4,
"X": 0,
"Y": 0,
"Width": 256.932,
"Height": 456.76800000000003,
"Effects": [
{
"Type": "Volume",
"Gain": 0
},
{
"Type": "Transition",
"SubType": "pinwheel",
"Duration": 1
},
{
"Type": "Crop",
"X": 0,
"Y": 0.0035,
"Width": 1,
"Height": 0.99299
},
{
"Type": "Background",
"SubType": "Color",
"Color": "#000000"
}
],
"TrackId": 2,
"Id": 1,
"inputURL": "https:\/\/oss.zwdev.duanshipin.com\/company\/1\/default\/17156820402205112.mp4"
},
{
"MediaId": "9e68e80011db71efb410f7f6d64b6302",
"MediaURL": "https:\/\/oss.zwdev.duanshipin.com\/company\/1\/default\/17156820399403055.mp4",
"Type": "Video",
"In": 2,
"Out": 5,
"Speed": 1,
"TimelineIn": 3,
"TimelineOut": 6,
"X": 0,
"Y": 0,
"Width": 256.932,
"Height": 456.76800000000003,
"Effects": [
{
"Type": "Volume",
"Gain": 0
},
{
"Type": "Crop",
"X": 0,
"Y": 0.0035,
"Width": 1,
"Height": 0.99299
},
{
"Type": "Background",
"SubType": "Color",
"Color": "#000000"
}
],
"TrackId": 2,
"Id": 2,
"inputURL": "https:\/\/oss.zwdev.duanshipin.com\/company\/1\/default\/17156820399403055.mp4"
}
],
"Count": 2,
"Type": "Video",
"Visible": true,
"Id": 2
}
],
"AudioTracks": [],
"AspectRatio": "9:16",
"FECanvas": {
"Height": 450,
"Width": 253
},
"From": "openAPI",
"LosslessConversion": false,
"SdkVersion": "4.12.3",
"Version": 1
}
可以用AdaptMode:"Cover" 或 AdaptMode:"Contain" 试试 这个计算规则比较复杂,可以在控制台里面编辑器导出的crop特效使用,建议使用AdaptMode。参考这个文档https://help.aliyun.com/zh/ims/developer-reference/timeline-configuration-description?spm=a2c4g.11186623.0.0.740f1b2dYJwJEl#title-nxg-syz-9o2
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