: Compressed data that your player decodes.

An MP4 (MPEG-4 Part 14) is a digital multimedia container format. It acts as a "wrapper" that stores:

: Information like the date recorded, resolution, and bitrate.

Instead, "g7177.mp4" follows the standard naming convention for raw video files generated by digital cameras or mobile devices. For instance, Sony cameras (like the Sony A7IV ) often name files with a prefix followed by a numerical sequence.

: Tools like AtomicParsley can help you parse the box structure of your MP4 to verify if the file is corrupt or simply requires a specific decoder.

Sony a7 IV review: Sony's mirrorless jack of all trades - Videomaker

: If Windows Media Player fails, the free VLC Media Player is a powerful alternative that supports a wider range of video formats.

: Extra tracks often used in professional production. 2. Common Playback Issues