Stutter with Magewell capture card
I have a magewell capture card, and the video works fine, but the audio has stutter like every 30 seconds. The audio is routed into ardour that I use as mixer. Additionally to the stutters (small pops in audio), after sometime, the audio because terribly garbled, and I have to restart ardour.
In the pipewire logs, I have this output regularly every time there is a stutter:
oct 24 01:57:36 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2244 target:2048 resync 0.003195 0.001313 0.000021
oct 24 01:57:37 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:5,0: follower delay:2828 target:2560 resync 0.001869 0.000543 0.000006
oct 24 01:57:40 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2212 target:2048 resync 0.006434 0.006434 0.009134
oct 24 01:57:44 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2280 target:2048 resync 0.006434 0.006434 0.003173
oct 24 01:57:50 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower delay:208 target:1536 resync 0.001842 0.000526 -0.000031
oct 24 01:57:50 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower resync 208 1024 1536
oct 24 01:58:16 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2052 target:2048 resync 0.004803 0.002909 0.000079
oct 24 01:58:23 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2152 target:2048 resync 0.003195 0.001313 0.000021
oct 24 01:58:29 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2260 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:58:31 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:5,0: follower delay:2564 target:2560 resync 0.001869 0.000543 0.000006
oct 24 01:58:31 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2088 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:58:45 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower delay:657 target:1536 resync -0.000025 0.000047 -0.000023
oct 24 01:58:45 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower resync 657 1024 1536
oct 24 01:58:46 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2280 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:58:47 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:5,0: follower delay:2567 target:2560 resync 0.001869 0.000543 0.000006
oct 24 01:58:47 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2084 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:58:59 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2228 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:59:16 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2076 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:59:46 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2112 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:59:53 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2128 target:2048 resync 0.001869 0.000543 0.000006
oct 24 01:59:54 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:5,0: follower delay:2567 target:2560 resync 0.001869 0.000543 0.000006
oct 24 01:59:54 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2148 target:2048 resync 0.003195 0.001313 0.000021
oct 24 01:59:58 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:0,1: follower delay:2452 target:2048 resync 0.004803 0.002909 0.000079
oct 24 02:00:22 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower delay:178 target:1536 resync 0.001793 0.000475 -0.000052
oct 24 02:00:22 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower resync 178 1024 1536
oct 24 02:00:22 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower delay:187 target:1536 resync 0.001749 0.000458 -0.000053
oct 24 02:00:22 yoda pipewire[2009789]: spa.alsa: alsa-pcm hw:4,0: follower resync 187 1024 1536