@tmm1
Here is an example when it takes too long to tune maybe developers can look to extend the time ....
2023/03/02 12:25:25.104829 [HLS] Couldn't generate stream playlist for ch102.1-d1080ACCC-f21439a61f8c: Timeout waiting for session to start after 8s
2023/03/02 12:25:25.104829 [HLS] Stopping transcoder session ch102.1-d1080ACCC-f21439a61f8c (out: 0s, finished: false)
2023/03/02 12:25:25.110455 [TNR] Closed connection to 1080ACCC/1 for ch102.1 KATU
2023/03/02 12:25:25.131344 [SNR] Statistics for ch102.1 KATU: ss=100% snq=100% seq=100% bps=0 pps=155,102-180
2023/03/02 12:25:25.131344 [SNR] Buffer statistics for ch102.1 KATU: buf=0% drop=0%
2023/03/02 12:25:26.102044 [TNR] Opened connection to 10701381/0 for ch2.1 KATU
2023/03/02 12:25:26.105813 [HLS] Starting live stream for channel 2.1 from xxx.xxx.xxx.xxx
2023/03/02 12:25:26.939219 [HLS] Probed live stream in 832.8077ms: mpeg2video 1280x720 progressive 3839026bps
2023/03/02 12:25:28.810729 [ENC] Starting encoder for ch2.1 in Y:\ChannelsDVR\Streaming\ch2.1-d10701381-f21439a61f8c-3339527185\encoder-1-575981910 at 1 (1.486778) (encoder=h264_mf, resolution=720, deinterlacer=blend, bitrate=3616, segment_size=0.01)
2023/03/02 12:25:29.204226 [HLS] ffmpeg: ch2.1-d10701381-f21439a61f8c-1-h264-aac-copy--3616-192-720-0-40---false-false-0.01-0: [h264_mf @ 00000000024c9680] stream format change