GitHub - Marginal/QuickLookVideo: This package allows macOS Finder to display thumbnails, static QuickLook previews, cover art and metadata for most types of video files.

This app allows macOS Finder to display thumbnails/cover art, QuickLook previews, and metadata for most types of audio and video files. QuickLook, AVFoundation and Spotlight understand a limited number of media files - mostly only MPEG audio and video codecs within MPEG container files. This app adds support for wide range of other codecs and "non-native" media file types, including: File formats:

[tettekete37564]

QuickTime 非対応動画の Quick Look プレビュープラグイン？brew でインストールが簡単

[peketamin]

Mac でavi, flv, wmv などを QuickLook 対応にできて、アイコンサムネイルも表示出来る

[moongift]

Mac OSXの動画フォーマット拡張