Cloud Server Video Editing for Live Streaming Latency
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Solution Overview
Problem
Existing video editing techniques experience significant latency and bandwidth issues when editing video streams from remote sources, as the edited video needs to be transmitted back to the cloud network and then distributed to audience devices, causing delays and high bandwidth requirements, especially with high-resolution streams.
Innovation Solution
Performing video editing on cloud-based server devices that receive original streams from remote sources and produce output video based on production commands from a remote production-control device, eliminating the need for the edited video to make a round-trip through the cloud network, thereby reducing latency and bandwidth demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If video editing is performed on a local editing device that receives streams from remote sources via cloud network, then editing functionality is provided, but transmission latency and bandwidth requirements increase significantly
Solution Approach 1:
The patent introduces cloud-based server devices as intermediaries between remote streaming sources and audience devices. These servers receive original streams directly from remote sources, perform editing operations locally, and distribute edited video directly to audiences, eliminating the need for edited video to travel back through the cloud network and reducing transmission latency
Solution Approach 2:
The patent shifts the editing operation from a centralized local editing device model to a distributed cloud-based server model. This dimensional change in system architecture allows editing to occur at multiple distributed points (cloud servers) closer to both the sources and audiences, reducing the transmission path length and latency
2Ease of operation
If video editing is performed on a local editing device that receives streams from remote sources via cloud network, then editing functionality is provided, but bandwidth requirements between cloud network and editing device increase significantly
Solution Approach 1:
Cloud-based server devices act as intermediaries that perform editing operations locally where the original streams are already present. This eliminates the need to upload edited video back through the cloud network, significantly reducing bandwidth consumption between the cloud network and editing infrastructure
Solution Approach 2:
The patent extracts the editing operation from the centralized local editing device and relocates it to cloud-based server devices. This separation removes the bandwidth bottleneck by performing editing where the source data already resides, eliminating the need for large bandwidth allocation between cloud network and editing device
3Ease of operation
If edited video is transmitted back to cloud network from local editing device, then video distribution is enabled, but transmission delays are introduced
Solution Approach 1:
Cloud-based server devices serve as intermediaries that perform both editing and distribution functions. Edited video is distributed directly from these servers to audience devices, eliminating the round-trip transmission delay to and from the cloud network and significantly improving video transmission speed
Data Source
AI summary
Techniques are described herein for editing video that is being streamed from one or more remote streaming sources without the latency experienced by prior approaches. Unlike prior approaches, the video editing is performed by one or more server devices that belong to the cloud network to which the original content streams are being transmitted. The editing performed by the cloud-based server devices is based on production commands received from a remote production-control device that does not belong to the cloud. However, because video does not need to make a round-trip from the cloud network and the remote production-control device, latency in generation of the output video is significantly reduced.