VOE memory - Our board reports VOE MEM Size = 20,518 KB, Used = 18,717 KB, Free = 1,801 KB. That is 1080p30 H.264 on ch0 plus a 320×180 RGB tap on ch4 for motion detection. Is the 20 MB pool fixed, or configurable? What is the supported budget for main stream + substream + NN inference concurrently? …

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Hi @nethravathi.elecbits , The VOE heap size is not fixed at 20 MB. It is calculated based on the configured video channels and allocated through video_set_voe_heap(). The two relevant APIs are: video_buf_calc() video_buf_heap_calc() — the newer buffer-sizing estimator used by video_voe_prese…

Ameba82-MINI

FreeRTOS SDK

nethravathi.elecbits October 26, 2026, 7:17am 4

Thank you for resolving this query, will implement this.

VOE memory allocation

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Ameba82-MINI

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