--diarize random "(speaker ?)"

[slavonnet]

If you send the same audio file with stereo to whisper.cpp , some lines shows "(speaker ?)". If you send it a second time, it's fine. What is the reason and how to fix it?

wav file is stereo from two channels. Chan 1 - Left, Chan 2 = Right.

run args

./build/bin/whisper-cli -vm /root/whisper.cpp/models/ggml-silero-v6.2.0.bin -m models/ggml-large-v3-turbo-q8_0.bin --vad -f /tmp/q-1509-9257299718-20251130-005355-1764453235.353068.wav --language ru --diarize -sns -t 16

whisper build from 19ceec8 commit (main branch)