[learningit]

I do not possess psychic powers or a crystal ball. If you want explore why, a detailed log file with both ffmpeg and libcurl component specific logging enabled is required. This will generate an enormous log file which may be too large to upload. Even then you will most likely not get the answer you're seeking. The stream has changed and it appears that the new stream requires more processing than some platforms can handle at higher resolution. You're not going to be able to change RT stream, so options are limited.

TLS processing is hard on a processor. That combined with IV key processing (I haven't checked in IV keys being used, but they usually are) will dramatically increase required processing, particularly in platforms lacking hw support.