Use the file as a case study for troubleshooting. Explain the difference between the MP4 container (the box) and the H.264/H.265 codec (the content inside).
Imagine scrolling through an old hard drive or a dark web archive and finding a single 10MB file named "g094.mp4." It has no thumbnail and won’t open in standard players. g094.mp4
Разница между MPEG-4, AVC/H.264 и MP4 - Elecard Use the file as a case study for troubleshooting