Audio Pipeline Accidentally Supported OGG Files Only When They Were Long Enough

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A developer discovered that their audio processing pipeline's support for OGG, AAC, and OGA file formats was never intentionally implemented — the decoder only handled WAV, MP3, WebM, and M4A natively. Files longer than a duration cap were automatically trimmed and converted to WAV by ffmpeg as a side effect of a memory-protection guard, which inadvertently made them decodable. Shorter files in unsupported formats bypassed this conversion and failed with a misleading 'skip:no-render' error that pointed to the wrong layer. The effective format compatibility was therefore determined by audio duration, which itself depended on the file's spectral richness percentile and recipe parameters. The bug went undetected for some time because partial, inconsistent support is far harder to notice than a complete absence of support.

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ProgrammingDEV Community ·

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