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Use two different buffer sizes for alsa -- a short one for software mixer, a longer one for hardware mixer, giving more resilience against delays, etc. without affecting responsiveness

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Mike Brady
2015-06-18 16:14:40 +00:00
parent 7626cc2f2e
commit 193fd3f0ca
2 changed files with 24 additions and 5 deletions
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scripts/shairport-sync.conf
+2 -1
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@@ -59,7 +59,8 @@ alsa =
// mixer_device = "default"; //actually, the mixer default is whatever the output_device is. Normally you wouldn't have to use this.
// mixer_control_name = "PCM"; // the name of the mixer to use -- there is no default.
// audio_backend_latency_offset = 0; // Set this offset to compensate for a fixed delay in the audio back end. E.g. if the output device delays by 100 ms, set this to -4410.
// audio_backend_buffer_desired_length = 6615; // If set too small, buffer underflow occurs on low-powered machines. Too long and the response times with software mixer become annoying.
// audio_backend_buffer_desired_length_software = 6615; // If set too small, buffer underflow occurs on low-powered machines. Too long and the response times with software mixer become annoying.
// audio_backend_buffer_desired_length_hardware = 22050; // If set too large, there is less opportunity for late packets to be retrieved.
};
// These are parameters for the pipe back end, an experimental back end that directs output to a pipe.