You can fix this error by explicitly setting the default audio device. For instance, put this:
pcm.!default {
type hw
card 0
}ctl.!default {
type hw
card 0
}
in $HOME/.asoundrc
Could not open audio device for playback. with GStreamer on Rapsberry PiYou can fix this error by explicitly setting the default audio device. For instance, put this:
pcm.!default {
type hw
card 0
}ctl.!default {
type hw
card 0
}
in $HOME/.asoundrc