Convert h264 to pcds

What is the difference between .h264 and .pcds?

Description: The H.264 Encoded Video File, commonly referred to by its file extension .h264, is a digital video file format that utilizes the H.264 codec. This codec, also known as MPEG-4 Part 10 or AVC (Advanced Video Coding), is widely recognized for its high compression efficiency, providing high-quality video at relatively low bitrates. This makes it ideal for use in various applications, from streaming video services and Blu-ray discs to digital television broadcasts and video conferencing.; Photo CD is a system designed by Kodak for digitizing and saving photos onto a CD. Launched in 1991 the discs were designed to hold nearly 100 high quality images, scanned prints and slides using special proprietary encoding.