G_154.mp4

According to the ETSI TS 101 154 specification , the most critical informative features include:

The request refers to specific technical documents related to digital video standards, specifically . g_154.mp4

: These are added to the video bitstream to help the decoder display the video correctly. They provide information about color space, aspect ratio, and timing. According to the ETSI TS 101 154 specification

The (or informative element) in this context usually refers to Video Usability Information (VUI) . Key Informative Feature: Video Usability Information (VUI) g_154.mp4