Here's some output when I launch qutebrowser from a terminal. It seems like it may be using ALSA instead of pulse for some reason. ``` ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave [14812:14812:0421/184051.727290:ERROR:alsa_util.cc(204)] PcmOpen: default,No such file or directory ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave [14812:14812:0421/184051.728902:ERROR:alsa_util.cc(204)] PcmOpen: plug:default,No such file or directory [14656:13:0421/184058.289956:ERROR:batching_media_log.cc(38)] MediaEvent: {"error":"FFmpegDemuxer: no supported streams"} [14656:1:0421/184058.290464:ERROR:batching_media_log.cc(35)] MediaEvent: {"pipeline_error":14} libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave [14812:14812:0421/184144.908489:ERROR:alsa_util.cc(204)] PcmOpen: default,No such file or directory ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave [14812:14812:0421/184144.911093:ERROR:alsa_util.cc(204)] PcmOpen: plug:default,No such file or directory ```