Black screen, but ecm found on one channel

= Revision r11581

= Issue Description Server: r11572 Client: r11581

The problem: On one channel on client I get black screen only, but ecm is found. On server the same channel is working correctly.

= When the issue occurs One channel: 0.6W, 11919 V DVB-S SR 28000 FEC 7/8

Channel: 0x798D

= How the issue is reproducable Client is using Newcamd protocol to server.

2020/09/27 22:16:34 710A8EEE h (webif) all debug_level=512 2020/09/27 22:16:34 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/7992/F0:...): found (321 ms) by 2020/09/27 22:16:44 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/7992/F0:...): found (322 ms) by 2020/09/27 22:16:54 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/7992/F0:...): found (321 ms) by 2020/09/27 22:16:59 6A9898E4 c (dvbapi) Demuxer 0 stopped descrambling for program 7992 (0D97@000004:7992 unknown) 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 ecmpid 0 CAID: 1815 ECM_PID: 13FD PROVID: 000000 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 ecmpid 1 CAID: 0B02 ECM_PID: 15F1 PROVID: 000000 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 ecmpid 2 CAID: 0D97 ECM_PID: 171D PROVID: 000000 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 ecmpid 3 CAID: 0653 ECM_PID: 1849 PROVID: 000000 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 ecmpid 4 CAID: 1802 ECM_PID: 1993 PROVID: 000000 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 ecmpid 5 CAID: 1880 ECM_PID: 19F7 PROVID: 000000 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 found 6 ECM pids and 2 STREAM pids in CA PMT 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 found channel in cache and matching prio -> start descrambling ecmpid 2 2020/09/27 22:17:00 6A9898E4 c (dvbapi) Demuxer 0 trying to descramble PID 2 CAID 0D97 PROVID 000000 ECMPID 171D ANY CHID PMTPID 0384 VPID 03B7 2020/09/27 22:17:00 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/798D/F0:...): found (329 ms) by 2020/09/27 22:17:04 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/798D/F0:...): found (322 ms) by 2020/09/27 22:17:14 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/798D/F0:...): found (321 ms) by 2020/09/27 22:17:24 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/798D/F0:...): found (321 ms) by 2020/09/27 22:17:34 6A9898E4 c (ecm) dvbapi (0D97@000004/0000/798D/F0:...): found (325 ms) by