Hardware Accelerator Multi-Standard Video Decoding

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Portable electronic devices face challenges in incorporating multiple CODECs optimized for various video coding standards due to size and resource constraints, making efficient encoding and decoding of video content difficult.

Innovation Solution

A video stream processing apparatus with a hardware accelerator that includes multiple decoders for different video coding standards, allowing for encoding and decoding of bit-stream data across existing and emerging standards, utilizing a CPU, memory access controller, buffer, and decoders like entropy decoders, inverse transformers, and de-blocking filters.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple CODECs optimized for various video coding standards are incorporated into portable electronic devices, then encoding and decoding capability across multiple standards is improved, but device size and resource consumption increase

Engineering Contradiction:

Improveencoding and decoding capability across multiple video coding standardsVSAvoiddevice size

Core Design Contradiction:

Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The patent implements a universal video processing apparatus that can handle multiple video coding standards (MPEG-1, MPEG-2, MPEG-4, H.263, etc.) through a single integrated hardware accelerator with multiple decoders, eliminating the need for separate dedicated CODECs for each standard in portable devices

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple decoder functions for different video coding standards into a single hardware accelerator module that shares common resources such as the entropy decoder, inverse transformer, predictor, and de-blocking filter, thereby reducing overall device footprint while maintaining multi-standard capability

Inventive Principle:

Principle #5Merging (Combining)

2Adaptability or versatility

Engineering Contradiction:

Improveencoding and decoding capability across multiple video coding standardsVSAvoidprocessing efficiency

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent merges shared processing resources including the entropy decoder, inverse transformer, predictor, and de-blocking filter into a single hardware accelerator that serves all video coding standards, eliminating redundant resources and maximizing the utilization of available processing power for video decoding operations

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The hardware accelerator is designed as a universal processing unit that can efficiently handle multiple video coding standards through a single integrated architecture, ensuring that processing resources are not fragmented across multiple dedicated CODECs but rather consolidated for optimized performance

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS8625677B2Apparatus processing video stream

Publication Date: 2014.01.07 SAMSUNG ELECTRONICS CO LTD

AI summary

An apparatus processing a video stream includes a CPU, a memory access controller reading stream data from an external memory, a buffer storing the stream data, and a hardware accelerator decoding the stream data. The hardware accelerator includes a plurality of decoders decoding the stream data in accordance with one of a plurality of different video coding standards.