Alsa Input Plugin Long Buffer Time

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aratarrome
Posts: 1
Joined: May 30th, 2020, 5:08 pm

Alsa Input Plugin Long Buffer Time

Post by aratarrome »

Hello,

before I ask my question I just want to say thank you for your great work you have attain with MPD. I love this software.

Lately, I use my the SPDIF input of my sound card to connect it with a bluetooth receiver to playback music from my mobile phone.

I just added a track in the play list as recommend in the mpd documentation to hear the music from the sound card input:

Code: Select all

mpc add alsa://iec958:1
This works. I can hear the music from my mobile phone. But when I change a track on my phone I recognized a latency of ca. 5 seconds and that is really annoying. I suppose that this long buffering happens in the ALSA plugin of mpd, because when I capture the SPDIF with

Code: Select all

arecord -d 10 -f cd -t wav -D hw:1,0 foobar1.wav
and change tracks during recording I have a maximal a latency of one second.

Can anyone give me a hint how I can reduce the long buffering or latency?

My mpd version is 0.21.5

Thanks to all.

Best wishes,

Andreas
max
Forum team
Posts: 1139
Joined: January 15th, 2013, 3:43 pm

Re: Alsa Input Plugin Long Buffer Time

Post by max »

You can't. MPD is designed for reliability, therefore it uses large buffers. It is not designed for your use case.
Also, your MPD version is very old and unsupported.
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