[pulseaudio-tickets] [Bug 80770] module-loopback ignores latency_msec option

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80770

--- Comment #10 from Raymond <superquad.vortex2 at gmail.com> ---
(   0.138|   0.000) I: [pulseaudio] alsa-source.c: Using 4.0 fragments of size
2398 bytes (24.98ms), buffer size is 9594 bytes (99.94ms)
(   0.138|   0.000) D: [pulseaudio] alsa-source.c: hwbuf_unused=0
(   0.138|   0.000) D: [pulseaudio] alsa-source.c: setting avail_min=1
(   0.138|   0.000) D: [pulseaudio] alsa-util.c: snd_pcm_dump():
(   0.138|   0.000) D: [pulseaudio] alsa-util.c: Plug PCM: Hardware PCM card 2
'USB Device 0x46d:0x805' device 0 subdevice 0
(   0.138|   0.000) D: [pulseaudio] alsa-util.c: Its setup is:
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   stream       : CAPTURE
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   access       :
MMAP_INTERLEAVED
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   format       : S16_LE
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   subformat    : STD
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   channels     : 1
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   rate         : 48000
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   exact rate   : 48000
(48000/1)
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   msbits       : 16
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   buffer_size  : 4797
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   period_size  : 1199
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   period_time  : 24979
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   tstamp_mode  : ENABLE
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   period_step  : 1
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   avail_min    : 1199
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   period_event : 1
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   start_threshold  : -1
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   stop_threshold   :
5400941853124067328
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   silence_threshold: 0
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   silence_size : 0
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   boundary     :
5400941853124067328
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   appl_ptr     : 0
(   0.138|   0.000) D: [pulseaudio] alsa-util.c:   hw_ptr       : 0


it strange that USB audio update in 1 ms interval for 48000Hz but pulseaudio 
still  cannot set 25ms period time

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