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alsa: use position duration as period size

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Use half of the configured quantum as the period size in batch mode.
This gives lower latency for USB devices depending on the quantum.
This commit is contained in:
Wim Taymans 2021-12-17 16:08:08 +01:00
parent 15ce86aff1
commit 8630b8846c
2 changed files with 6 additions and 1 deletions
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1
spa/plugins/alsa/alsa-pcm.h
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@ -55,6 +55,7 @@ extern "C" {
#define MIN_LATENCY 16
#define MAX_LATENCY 8192
#define DEFAULT_PERIOD 1024u
#define DEFAULT_RATE 48000u
#define DEFAULT_CHANNELS 2u
#define DEFAULT_USE_CHMAP false