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
If the original MP4 was corrupted (e.g., missing a "moov atom"), recovery software often outputs to MKV to stabilize the stream. 2. Forensic & Deep Feature Extraction 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. missing a "moov atom")