Integrated downscale in video core

摘要

Implementations include video image processing systems, methods, and apparatus for integrated video downscale in a video core. The downscaler computes and writes a display frame to an external memory. This frame may have the same resolution as a target display device (e.g., mobile device). The target display device then reads this display frame, rather than the original higher resolution frame. By enabling downscale during encoding/decoding, the device can conserve resources such as memory bandwidth, memory access, bus bandwidth, and power consumption associated with separately downscaling a frame of video data.

主权项

1. An electronic device for processing video data, the device comprising:
a receiver configured to receive input video data; and a video coder configured to generate output video data, the video coder including:
a video encoder;a video decoder;the video encoder and the video decoder each comprising a deblocker arranged to generate deblocked video data; anda downscaler coupled with the deblocker of each of the video encoder and the video decoder, wherein the downscaler is coupled with each deblocker to receive the deblocked video data, and wherein the downscaler is configured to generate a downscaled version of the deblocked video data received from either the video encoder or the video decoder during encoding or decoding based on scaling configuration of a target display device, wherein the output video data includes the downscaled version of the input video data.