You are already downloading the video files. You might as well keep them around and create the metadata necessary for that mod.
Project URL: https://github.com/rie-kumar/MusicVideoPlayer
Here's an example, from the project readme:
{
"activeVideo": 0,
"videos": [
{
"title": "[MV] GFRIEND(여자친구) _ Me Gustas Tu(오늘부터 우리는) (Choreography Ver.)",
"author": "1theK (원더케이) ",
"description": "[MV] GFRIEND(여자친구) _ Me Gustas Tu(오늘부터 우리는) (Choreography Ver.)*****Hello, this is 1theK. We are working on ...",
"duration": "3:44",
"URL": "/watch?v=oixRBiOteWY",
"thumbnailURL": "https://i.ytimg.com/vi/oixRBiOteWY/hqdefault.jpg?sqp=-oaymwEjCPYBEIoBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLDJcaceiJ0EGqHJN8jgKOmzqkEiSg",
"loop": false,
"offset": -100,
"videoPath": "[MV] GFRIEND(여자친구) _ Me Gustas Tu(오늘부터 우리는) (Choreography Ver.).mp4"
},
{
"title": "여자친구 GFRIEND - 오늘부터 우리는 Me gustas tu M/V",
"author": "여자친구 GFRIEND OFFICIAL ",
"description": "여자친구 GFRIEND - 오늘부터 우리는(Me gustas tu) M/V.",
"duration": "4:12",
"URL": "/watch?v=YYHyAIFG3iI",
"thumbnailURL": "https://i.ytimg.com/vi/YYHyAIFG3iI/hqdefault.jpg?sqp=-oaymwEjCPYBEIoBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLDq4Cvxyo87B8rZNE2f8OYY8w9Fbg",
"loop": false,
"offset": 18600,
"videoPath": "여자친구 GFRIEND - 오늘부터 우리는 Me gustas tu M-V.mp4"
},
{
"title": "GFRIEND - Me gustas tu - mirrored dance practice video - 여자친구 오늘부터 우리는",
"author": "HQVideoCentralNet",
"description": "GFRIEND - Me gustas tu - mirrored dance practice 여자친구 오늘부터 우리는 (C) 2015 Source Music iTunes ...",
"duration": "3:44",
"URL": "/watch?v=huIWmnAT7BI",
"thumbnailURL": "https://i.ytimg.com/vi/huIWmnAT7BI/hqdefault.jpg?sqp=-oaymwEjCPYBEIoBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLCkdhbiD5iEjaqPEYxivGUhwGEXSw",
"loop": false,
"offset": -200,
"videoPath": "GFRIEND - Me gustas tu - mirrored dance practice video - 여자친구 오늘부터 우리는.mp4"
}
],
"Count": 3
}
You are already downloading the video files. You might as well keep them around and create the metadata necessary for that mod. Project URL: https://github.com/rie-kumar/MusicVideoPlayer
Here's an example, from the project readme: