Media Drive Control System Queue Overflow Prevention
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Solution Overview
Problem
Conventional media drive control systems face issues with queue overflow, leading to discarded user operations and system instability due to simultaneous execution of user and system commands, resulting in invalid termination instructions and errors.
Innovation Solution
A media drive control system with a user operation filter and a software-based player console that prioritizes user operations using a FIFO queue, discarding excess commands if the queue is full and ensuring important operations are executed first, eliminating the need for individual playback device queues and preventing simultaneous command execution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple UOPs are received and stored in individual playback management device queues, then the system can handle multiple user operations, but the queues may reach capacity and discard important termination instructions
Solution Approach 1:
The patent introduces a dedicated queue management device as an intermediary between the player console and multiple playback management devices. This mediator receives all UOPs, manages a single queue, and distributes commands to appropriate playback devices, preventing queue overflow in individual devices and ensuring termination instructions are properly handled.
Solution Approach 2:
The patent merges multiple individual queues in separate playback management devices into a single unified queue managed by a dedicated queue management device. This consolidation eliminates the problem of individual queues reaching capacity and discarding important commands, while maintaining the ability to handle multiple operations.
2Speed
If user commands are provided to playback management devices while UOPs are being executed, then the system responds quickly to user input, but errors and system instability occur due to simultaneous execution
Solution Approach 1:
The patent implements preliminary action by having the queue management device receive and store all user operation commands before they are executed. Commands are queued in advance and processed sequentially, ensuring that new commands are properly buffered before execution begins, preventing simultaneous execution conflicts while maintaining responsive user interface.
Data Source
AI summary
Media drive control system and method. The media drive control system comprises a player console, a user operation filter, and a plurality of playback management devices. The player console provides an instant user operation (UOP) according to a received user command. The user operation filter comprises a queue and a management device. The queue receives and stores a plurality of UOPs, and outputs stored UOPs as control instructions on a first-in-first-out basis. The management device determines whether the queue is full. If the queue is full, the management device discards at least one of the stored UOPs prior to storing the instant UOP in the queue. Each playback management device receives control instructions for controlling corresponding playback devices.