# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/f6kxqfq
yue-fang-readfog
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基於 ffmpeg - Webassembly 實現前端視頻幀提取**
作者：jordiwang  https://juejin.im/post/6854573219454844935現有的前端視頻幀提取主要是基於 canvas + video 標籤的方式，在用戶本地選取視頻文件後，將本地文件轉爲 ObjectUrl 後設置到 video 標籤的 src 屬性中，再通過 canvas 的 drawImage 接口提取出當前時刻的視頻幀。受限於瀏覽器支持的視頻編碼格式， ⌘ Read more