Music playback from a zpaq compressed file without decompression on Android OS [plus Linux-based Operating Systems]
zpaqlib – A Specialized Indexing and Playback Layer for ZPAQ Audio Archives zpaqlib is a command‑line utility designed for long‑term, space‑efficient management of Matroska‑encapsulated WavPack audio within ZPAQ archives. It addresses the inherent tension between ZPAQ’s deduplicating, versioned storage model and the low‑latency access required for interactive media playback. Core Capabilities · Incremental Metadata Extraction A SQLite catalog maintains artist and title tags (sourced via mediainfo from APEv2/WavPack metadata) for each .mka track. Archive re‑indexing compares current zpaq list output against stored paths and processes only added, removed, or changed files, preserving previously extracted metadata. · On‑Demand Single‑File Extraction Playback requests trigger the extraction of exactly one file to a temporary location. This avoids decompressing the entire archive and limits memory pressure to the size of a single compressed stream, making it suitable for resou...