Service Worker Protocol Translation for Browser Media Streaming
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Solution Overview
Problem
Media content providers face challenges in delivering live media content to web browsers like Safari on iOS, which only supports native HLS, limiting their ability to use other streaming protocols and increasing complexity and cost due to the need for multiple protocol support.
Innovation Solution
A computer-implemented method and service worker that intercept and convert data communications between a remote server and client web browser, allowing the use of alternative streaming protocols transparently, enabling media streaming even with limited browser support by transforming data communications between native and operating streaming protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If media content providers use multiple streaming protocols to deliver content to different browsers, then compatibility with various web browsers is improved, but system complexity and delivery cost increase
Solution Approach 1:
The patent introduces a protocol translation layer that acts as an intermediary between the server and the browser. This translation layer converts protocols like HLS, DASH, and RTMP into a universal internal format, allowing the media player to handle multiple protocols without requiring the delivery system to support each protocol natively. The translation layer abstracts the protocol differences, reducing the complexity of the overall delivery system while maintaining broad browser compatibility.
2Reliability
If Safari on iOS uses native HLS protocol, then playback reliability is improved, but protocol flexibility and capability utilization are reduced
Solution Approach 1:
Instead of adapting the media player to work directly with native browser protocols, the patent inverts the approach by having the translation layer convert all incoming protocols into a universal internal format that the media player then handles uniformly. This allows Safari to maintain its native HLS implementation for reliability while the translation layer provides access to other protocols like DASH and RTMP, effectively giving the system protocol flexibility without compromising Safari's native playback reliability.
3Adaptability or versatility
If media content providers deliver content in multiple streaming protocols, then client compatibility is improved, but manufacturing precision and content delivery quality are reduced
Solution Approach 1:
The patent implements a homogenization strategy where all streaming protocols (HLS, DASH, RTMP) are converted into a universal internal format through the translation layer. This ensures that regardless of the source protocol, the media player receives content in a consistent, standardized format, maintaining content delivery quality and precision. The translation layer acts as a normalization point that eliminates protocol-specific variations while preserving client compatibility.
Data Source
AI summary
A computer-implemented method for streaming media from a remote server in a client web browser supporting an operating streaming protocol is implemented within a client web application comprised in the client web browser. The method involves the following steps: intercepting data communications between the remote server and the client web browser for streaming the media in the client web browser; and converting the data communications into and respectively from the operating streaming protocol when the data communications are implemented in a native streaming protocol different from the operating streaming protocol of the client web browser, thereby allowing the client web browser to stream the media.