GSpot -
GSpot is a Windows-based freeware designed to identify codecs used in video files. In addition, the application checks if the required DirectShow filters or Video for Windows codecs are installed and configured for proper playback.
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MovieScanner -
Small utility to scan your video files and store the media details (audio, video, subtitles) into a small database. Support export end printing of data, multiple databases, external subtitle, HDR and 3D detection, etc.