Background Rendering for Media Editing Applications
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Solution Overview
Problem
Media-editing applications face challenges in rendering media presentations in real-time due to high processing requirements, often resulting in low-quality playback or the need for pre-processing, which can be resource-intensive and interruptive to user interactions.
Innovation Solution
The media-editing application segments the composite media presentation into movable segments, computes unique identifiers for each segment based on attributes, and uses background-rendering modules to pre-generate and store rendered results, allowing for efficient reuse without re-rendering when segments are moved or edited, while prioritizing editing operations over rendering to minimize resource usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the media-editing application pre-processes portions of the media presentation to enable real-time playback, then playback quality and real-time performance are improved, but resource consumption increases and user interactions are interrupted
Solution Approach 1:
The patent divides the media presentation into multiple segments, allowing the system to process and cache only the segments that are likely to be played back, rather than pre-processing the entire presentation. This segmentation reduces the overall processing load while maintaining real-time playback capability for the segmented portions.
Solution Approach 2:
The system performs preliminary processing of media segments in advance, caching the processed segments before they are needed for playback. This preliminary action allows real-time playback to occur without interrupting user interactions, as the processing has already been completed in the background.
2Reliability
If the media-editing application pre-generates playable media output data for real-time playback, then playback quality is improved, but the pre-processing interrupts user interactions and increases resource usage
Solution Approach 1:
The system performs preliminary generation of playable media output data in the background before user playback requests. This allows high-quality playback to be achieved without interrupting user interactions, as the data generation occurs in advance and does not block the user interface.
Solution Approach 2:
By dividing the media presentation into segments, the system can pre-generate output data for individual segments without requiring the entire presentation to be processed. This reduces the time and resources needed for preliminary processing while maintaining playback quality.
3Use of energy by moving object
If the media-editing application renders segments in real-time during user interactions, then resource allocation is optimized, but playback quality deteriorates or real-time performance is compromised
Solution Approach 1:
The system performs rendering operations in advance during periods when user interactions are minimal or paused, rather than during active user interactions. This preliminary rendering optimizes resource allocation by utilizing idle processing capacity while ensuring that rendered segments are ready for immediate playback when needed.
Data Source
AI summary
Some embodiments provide a media-editing application that includes several background-rendering modules. These modules automatically render segments of a media presentation in the background of a system on which the media-editing application is being executed. By performing rendering in the background, the background-rendering modules produce rendered results for the segments. That is, the modules pre-generate playable media output data (e.g., composite video frames or audio samples) of the media presentation without interrupting other operations (e.g., editing operations, etc.) of the media-editing application. The background-rendering modules in some embodiments include a first background-rendering module and a second background-rendering module. The first background-rendering module determines a prioritized order in which the segments are to be rendered. The second background-rendering module renders the segments of each category in the prioritized order that is determined by the first background-rendering module.