Allow mid stream audio video format change #1497
Merged
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Description & motivation
When audio or video format is changed in the middle of the stream, the muxer sends RTMP message with zero chunk type. This breaks streams on different platforms, including Twitch. RTMPStream used to have flags
audioWasSent
,videoWasSent
to handle this case before this 65cbf34 change. This PR doesn't bring the flags back, instead it just checks if the format was nil.Type of change