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pulse-server: reduce min quantum to 128/48000

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some games want 5ms latency and the 256/48000 previous min value was
5.3ms and just a little too high, reduce this because we probably can.
This commit is contained in:
Wim Taymans 2023-03-08 11:10:39 +01:00
parent af91ae67de
commit ddbb54fd6f
3 changed files with 12 additions and 12 deletions
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6
src/daemon/pipewire-pulse.conf.in
View file

@ -95,12 +95,12 @@ pulse.properties = {
# client.access = "restricted" # permissions for clients # client.access = "restricted" # permissions for clients
#} #}
] ]
#pulse.min.req = 256/48000 # 5ms #pulse.min.req = 128/48000 # 2.6ms
#pulse.default.req = 960/48000 # 20 milliseconds #pulse.default.req = 960/48000 # 20 milliseconds
#pulse.min.frag = 256/48000 # 5ms #pulse.min.frag = 128/48000 # 2.6ms
#pulse.default.frag = 96000/48000 # 2 seconds #pulse.default.frag = 96000/48000 # 2 seconds
#pulse.default.tlength = 96000/48000 # 2 seconds #pulse.default.tlength = 96000/48000 # 2 seconds
#pulse.min.quantum = 256/48000 # 5ms #pulse.min.quantum = 128/48000 # 5ms
#pulse.idle.timeout = 0 # don't pause after underruns #pulse.idle.timeout = 0 # don't pause after underruns
#pulse.default.format = F32 #pulse.default.format = F32
#pulse.default.position = [ FL FR ] #pulse.default.position = [ FL FR ]

12
src/modules/module-protocol-pulse.c
View file

@ -59,12 +59,12 @@
* # client.access = "restricted" # permissions for clients * # client.access = "restricted" # permissions for clients
* #} * #}
* ] * ]
* #pulse.min.req = 256/48000 # 5ms * #pulse.min.req = 128/48000 # 2.6ms
* #pulse.default.req = 960/48000 # 20 milliseconds * #pulse.default.req = 960/48000 # 20 milliseconds
* #pulse.min.frag = 256/48000 # 5ms * #pulse.min.frag = 128/48000 # 2.6ms
* #pulse.default.frag = 96000/48000 # 2 seconds * #pulse.default.frag = 96000/48000 # 2 seconds
* #pulse.default.tlength = 96000/48000 # 2 seconds * #pulse.default.tlength = 96000/48000 # 2 seconds
* #pulse.min.quantum = 256/48000 # 5ms * #pulse.min.quantum = 128/48000 # 2.6ms
* #pulse.default.format = F32 * #pulse.default.format = F32
* #pulse.default.position = [ FL FR ] * #pulse.default.position = [ FL FR ]
* # These overrides are only applied when running in a vm. * # These overrides are only applied when running in a vm.
@ -110,7 +110,7 @@
* ### Playback buffering options * ### Playback buffering options
* *
*\code{.unparsed} *\code{.unparsed}
* pulse.min.req = 256/48000 # 5ms * pulse.min.req = 128/48000 # 2.6ms
*\endcode *\endcode
* *
* The minimum amount of data to request for clients. The client requested * The minimum amount of data to request for clients. The client requested
@ -136,7 +136,7 @@
* ### Record buffering options * ### Record buffering options
* *
*\code{.unparsed} *\code{.unparsed}
* pulse.min.frag = 256/48000 # 5ms * pulse.min.frag = 128/48000 # 2.6ms
*\endcode *\endcode
* *
* The minimum allowed size of the capture buffer before it is sent to a client. * The minimum allowed size of the capture buffer before it is sent to a client.
@ -154,7 +154,7 @@
* ### Scheduling options * ### Scheduling options
* *
*\code{.unparsed} *\code{.unparsed}
* pulse.min.quantum = 256/48000 # 5ms * pulse.min.quantum = 128/48000 # 2.6ms
*\endcode *\endcode
* *
* The minimum quantum (buffer size in samples) to use for pulseaudio clients. * The minimum quantum (buffer size in samples) to use for pulseaudio clients.

6
src/modules/module-protocol-pulse/pulse-server.c
View file

@ -56,12 +56,12 @@
#include "utils.h" #include "utils.h"
#include "volume.h" #include "volume.h"
#define DEFAULT_MIN_REQ "256/48000" #define DEFAULT_MIN_REQ "128/48000"
#define DEFAULT_DEFAULT_REQ "960/48000" #define DEFAULT_DEFAULT_REQ "960/48000"
#define DEFAULT_MIN_FRAG "256/48000" #define DEFAULT_MIN_FRAG "128/48000"
#define DEFAULT_DEFAULT_FRAG "96000/48000" #define DEFAULT_DEFAULT_FRAG "96000/48000"
#define DEFAULT_DEFAULT_TLENGTH "96000/48000" #define DEFAULT_DEFAULT_TLENGTH "96000/48000"
#define DEFAULT_MIN_QUANTUM "256/48000" #define DEFAULT_MIN_QUANTUM "128/48000"
#define DEFAULT_FORMAT "F32" #define DEFAULT_FORMAT "F32"
#define DEFAULT_POSITION "[ FL FR ]" #define DEFAULT_POSITION "[ FL FR ]"
#define DEFAULT_IDLE_TIMEOUT "0" #define DEFAULT_IDLE_TIMEOUT "0"