pdeljanov/Symphonia

AIFF: Support block-aligned sound data.

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#492 opened on Apr 19, 2026

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enhancementhelp wanted

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Description

Support block-aligned sound data (blockSize != 0).

With block-aligned sample data, as many complete audio frames as possible are packed into a block of a certain size. Any extra space is padding and should be skipped.

Additional details found here.

Originally found in #309.

Contributor guide

Research direction
Implement support for block aligned sound data in AIFF demuxer by handling blockSize != 0, packing complete audio frames, and skipping padding as per the AIFF C specification.
Tech stack
rust
Domain
backendaudio video rtc
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Rustaudio format understanding
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60