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16K Video Transcoding on Heterogeneous Many-core Architectures

With the rapid advance in the number of videos used on the Internet every day and the variety of end-user devices, transcoding has become the important part of the video processing. Video transcoding has been in use for several decades to transform video from one resolution to another. During this process, several approaches can be used where the original video is decoded partially or in full, resized and at the end encoded into a new resolution. In either way, partial or full decoders and encoders need to be implemented. The process of transcoding multimedia on many- core architectures demands high processing power and enough data bandwidth between processing elements. With the video resolutions going up to 4K, 8K, and even 16K, this demand transcends the limits of the current state of the art processors. To be able to transcode 16K multimedia in real time powerful novel architectures need to be used. Heterogenous architecture can enable better processing by using special hardware accelerators designed for video processing in conjunction with standard general-purpose processing cores. Hardware accelerators provide extra processing power for lowering the transcoding time and ultimately achieving the real-time video coding and transcoding. Real- time video encoding is needed to be able to deliver real-time video to the end user and satisfy the quality-of-service prerequisite.

video ; multimedia processing ; transcoding ; high-definition video ; 16K ; heterogeneous ; many-core ; accelerators

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