"XiaoYing" is the Chinese name for the VivaVideo app, and these specific, long-string filenames are automatically generated when a user exports a video they have edited, trimmed, or added effects to within the app.
The video probably features music, text overlays, transitions, and stickers. XiaoYing_Video_1629617123662mp4
Because it was produced by VivaVideo, it is almost certainly a user-generated mobile video created on a smartphone, likely for social media platforms like TikTok, Instagram, or Douyin. Given the date (August 2021), it might be a summer-themed video, a holiday recap, or a creative edit with music and transitions. "XiaoYing" is the Chinese name for the VivaVideo
The timestamp 1629617123662 converts to August 22, 2021, at 07:25:23 AM UTC . 2. What Kind of Video Is It? Given the date (August 2021), it might be
It is likely optimized for mobile viewing (9:16 aspect ratio).
This file is a "time capsule" from August 2021, representing a specific moment in someone's life—a summer trip, a family event, or a creative project—captured and edited on their phone.