Mediabunny optimizes large file streaming with on-demand downloads and memory control

Vjeux · x · 2026-08-07

The multimodal tool Mediabunny has been reworked to handle large media file edge cases more efficiently.

Previously, if a server didn't support range requests, the tool would download and cache the entire file in memory. The new version changes this by downloading files on-demand, matching the download speed with consumption rate, and terminating the HTTP response early if the data is no longer needed.

Additionally, it now only caches the last 64 MiB of the sliding window in memory. This allows users to stream-process arbitrarily large files (10+ GB) while maintaining O(1) memory usage.

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