Because AVI was designed before modern streaming, it lacks efficient compression. Consequently, AVI files are generally much larger than their counterparts, making them unsuitable for online streaming, though excellent for high-fidelity archival. AVI RIFF File Reference - Win32 apps - Microsoft Learn
Unlike MP4, which usually dictates the codec (H.264/H.265), AVI is a container . This means it can pack video data encoded with various codecs, including DivX, Xvid, MPEG-4, and even uncompressed RGB, making it versatile. skachat format avi
AVI files are structured in chunks. Key components include a hdrl list (header data), a movi list (video/audio streams), and an optional idx1 list (index) for fast access. It is often identified by the FOURCC 'AVI ' in the RIFF header. Because AVI was designed before modern streaming, it