Vid_20221215_105814_430.mp4.mkv File

If this was a screen recording rather than a camera capture, you might find a variable frame rate (VFR). If it's a camera capture, it likely uses H.264 (AVC) or H.265 (HEVC) video codecs with AAC audio.

Use the command ffprobe -show_packets VID_20221215_105814_430.mp4.mkv to see if there are any dropped frames or timestamp gaps, which indicate the "health" of the video stream. VID_20221215_105814_430.mp4.mkv

Likely a millisecond or sequence identifier used by the camera software to prevent naming collisions. If this was a screen recording rather than

Right-click the file to see the exact bitrate, encoding profile (e.g., Main@L4 ), and whether the "Encoded date" matches the filename date. Likely a millisecond or sequence identifier used by

A true MKV file must start with the EBML header 1A 45 DF A3 . If the file fails to play, checking this header confirms if it's a genuine MKV or just a renamed MP4. 3. Practical Deep Inspection Steps