Supported by nearly all streaming protocols like HLS, DASH, and RTSP. Practical Quick Facts
This is the "box" that holds the H.264 video stream, along with audio (typically AAC), subtitles, and metadata. Why They Are Used Together 264 mp4
This is the "brain" that compresses and decompressess the raw video data to make it small enough for storage and streaming. Supported by nearly all streaming protocols like HLS,