The RTMP client's totalBytesReceived counter grows unbounded as a
JavaScript number. When it exceeds 2^31 (~2.15 GB received), the
writeUInt32BE call in sendAcknowledgementIfNeeded throws a RangeError
because JavaScript bitwise operations produce signed 32-bit integers.
This crashes the RTMP session and drops the video stream.
For a high-bitrate camera like the Reolink D340P (~4 Mbps main stream),
this overflow occurs after approximately 90 minutes of continuous
streaming, causing periodic stream drops at a consistent interval.
Fix by using the unsigned right shift operator (>>> 0) to keep
totalBytesReceived and bytesToAck in the unsigned uint32 range [0,
4294967295], matching the RTMP spec's sequence number wrapping behavior.
Co-authored-by: Josh Casada <joshcasada@Joshs-Mac-mini.ts.net lan>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
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