Picking a new MaxNALUSize about mediacommon

[aler9]

Hello, that variable doesn't influence memory usage, it's a limit on the maximum available memory in order to prevent people from creating specially-crafted packets that can crash software that depends on this library.

In case of RTSP / WebRTC / SRT / UDP, only one NALU at a time is routed from publisher to readers, therefore the maximum RAM occupied by a stream is MaxNALUSize * (maximum write queue size).

In case of HLS, a sequence of NALUs is kept into memory because HLS works by serving segments of NALUs, therefore the maximum RAM occupied by a stream is MaxNALUSize * segment duration * number of segments.

[aler9]

BTW i've renamed the variable into MaxAccessUnitSize in order to apply it to the entire access unit. An access unit is a sequence of NALUs referred to the same time instant.

[database64128]

Thanks for the detailed explanation. Do you plan to update the limit yourself? I'd be happy to test it afterwards.

[github-actions]

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