Transpackager Bytemap Indexing for Content Packaging
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Solution Overview
Problem
Current content distribution systems face challenges in efficiently packaging and delivering content in various formats to different devices, as they often require multiple encoding formats and quality levels, which can lead to inefficiencies and interruptions in content playback.
Innovation Solution
The system employs a transpackager that uses bytemap files and indexes to generate output content in desired packaging formats, allowing for seamless playback of content with varying resolutions, frame rates, and compression settings by performing specific operations on encoded content files, such as copying, filling, and seeking, based on the bytemap instructions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If content is packaged in multiple encoding formats and quality levels to support various devices, then adaptability is improved, but device complexity and processing overhead increase
Solution Approach 1:
The content packaging process is segmented into discrete operations (copy, fill, seek, truncate) that can be independently controlled and optimized. The bytemap file divides the packaging task into specific byte-range operations, allowing the system to handle multiple formats through compositional operations rather than complete re-encoding.
Solution Approach 2:
The bytemap file serves as an intermediary data structure that translates high-level packaging requirements into low-level byte operations. It mediates between the desired output format and the source encoded content, enabling format conversion without direct complex processing of the entire content stream.
2Reliability
If content is encoded in multiple quality levels to ensure seamless playback, then reliability is improved, but loss of time and processing efficiency worsen
Solution Approach 1:
The bytemap file is generated in advance that specifies the exact byte operations needed for packaging. This preliminary planning of the packaging sequence allows the system to execute operations efficiently without trial-and-error processing, reducing time loss while ensuring reliable playback through pre-determined quality level selection.
Solution Approach 2:
The system can skip unnecessary packaging operations by using the bytemap to identify only the specific byte ranges that need transformation. Instead of processing entire content streams, the system rushes through only the essential operations (copy, fill, seek) required for the target format, significantly reducing processing time while maintaining playback reliability.
3Adaptability or versatility
If multiple encoding formats are used to support diverse devices, then adaptability is improved, but productivity and encoding efficiency deteriorate
Solution Approach 1:
Multiple packaging operations (copy, fill, seek, truncate) are merged into a unified bytemap-based processing framework. This combination allows the system to handle diverse device requirements through a single coordinated operation sequence rather than separate encoding pipelines, improving productivity while maintaining broad device compatibility.
Solution Approach 2:
The system changes packaging parameters (byte ranges, operation types, quality levels) based on the target device requirements without changing the fundamental encoding process. By adjusting parameters in the bytemap file rather than re-encoding the entire content, the system maintains high encoding efficiency while adapting to different device specifications.
Data Source
AI summary
In embodiments, apparatuses, methods and storage media are described that are associated with packaging of content. In embodiments, a bytemap file may be associated with an output packaging format for output content. The bytemap file may, in various embodiments, contain instructions that, when performed by a transpackager may generate output content based on one or more encoded content files. In order to generate output content starting at a specific requested offset, a bytemap index may contain mappings between offsets and instruction locations within the bytemap file. Thus, in response to a request for output content at an offset, an instruction location may be identified in the bytemap index, and instructions applied to the encoded content files starting at the identified location to generate the requested output content. Other embodiments may be disclosed and claimed.