The Silent Janitor: How Duster LibVPX Cleans Up Video’s Messy Pipeline
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They traced it to LibVPX’s vpx_codec_enc_config_t structure. The encoder was reusing a configuration object but not resetting the rc_min_quantizer and rc_max_quantizer internal states. A developer wrote a simple Duster routine: duster libvpx
Hidden in temporary buffers, partially decoded frames, motion vector tables, and probability models are gigabytes of "zombie data." If left alone, these remnants will slow down the next encoding job, cause memory bloat, and eventually crash the worker node. The Silent Janitor: How Duster LibVPX Cleans Up