https://bugs.freedesktop.org/show_bug.cgi?id=76328
--- Comment #2 from Raymond <[email protected]> --- if you want low latency for real-time voice/video chat, there is no point to use a two seconds of capture and playback buffer sleeping for 1.98 seconds and wake up to capture : [alsa-source-VT1708S Analog] alsa-util.c: Set buffer size first (to 88192 samples), period size second (to 44096 samples). I: [alsa-source-VT1708S Analog] alsa-util.c: ALSA period wakeups disabled D: [alsa-source-VT1708S Analog] alsa-source.c: hwbuf_unused=0 D: [alsa-source-VT1708S Analog] alsa-source.c: setting avail_min=87650 D: [alsa-source-VT1708S Analog] alsa-source.c: hwbuf_unused=0 D: [alsa-source-VT1708S Analog] alsa-source.c: setting avail_min=87310 I: [alsa-source-VT1708S Analog] alsa-source.c: Time scheduling watermark is 20.00ms I: [alsa-source-VT1708S Analog] alsa-source.c: Resumed successfully... I: [alsa-source-VT1708S Analog] alsa-source.c: Starting capture. D: [pulseaudio] module-suspend-on-idle.c: Source alsa_input.pci-0000_00_14.2.analog-stereo becomes idle, timeout in 5 seconds. D: [pulseaudio] core-subscribe.c: Dropped redundant event due to change event. I: [pulseaudio] source-output.c: Rate changed to 44100 Hz D: [pulseaudio] module-suspend-on-idle.c: Source alsa_input.pci-0000_00_14.2.analog-stereo becomes busy, resuming. D: [pulseaudio] resampler.c: Channel matrix: D: [pulseaudio] resampler.c: I00 I01 D: [pulseaudio] resampler.c: +------------ D: [pulseaudio] resampler.c: O00 | 0.500 0.500 I: [pulseaudio] remap.c: Using generic matrix remapping I: [pulseaudio] resampler.c: Using resampler 'speex-float-1' I: [pulseaudio] resampler.c: Using float32le as working format. I: [pulseaudio] resampler.c: Choosing speex quality setting 1. D: [pulseaudio] memblockq.c: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0 D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0 I: [pulseaudio] source-output.c: Created output 11 "ALSA Capture" on alsa_input.pci-0000_00_14.2.analog-stereo with sample spec float32le 1ch 88200Hz and channel map mono I: [pulseaudio] source-output.c: media.name = "ALSA Capture" I: [pulseaudio] source-output.c: application.name = "ALSA plug-in [audacity]" I: [pulseaudio] source-output.c: native-protocol.peer = "UNIX socket client" I: [pulseaudio] source-output.c: native-protocol.version = "29" I: [pulseaudio] source-output.c: application.process.id = "18069" I: [pulseaudio] source-output.c: application.process.user = "dhaval" I: [pulseaudio] source-output.c: application.process.host = "dhaval" I: [pulseaudio] source-output.c: application.process.binary = "audacity" I: [pulseaudio] source-output.c: application.language = "en_US.UTF-8" I: [pulseaudio] source-output.c: window.x11.display = ":0" I: [pulseaudio] source-output.c: application.process.machine_id = "fbb0c4896a9c0f680475c0a07edd2c5a" I: [pulseaudio] source-output.c: application.process.session_id = "1" I: [pulseaudio] source-output.c: application.icon_name = "audacity" I: [pulseaudio] source-output.c: module-stream-restore.id = "source-output-by-application-name:ALSA plug-in [audacity]" D: [pulseaudio] memblockq.c: memblockq requested: maxlength=4194304, tlength=0, base=4, prebuf=1, minreq=0 maxrewind=0 D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=4194304, tlength=4194304, base=4, prebuf=4, minreq=4 maxrewind=0 I: [pulseaudio] protocol-native.c: Final latency 23.22 ms = 11.61 ms + 11.61 ms D: [alsa-source-VT1708S Analog] alsa-source.c: latency set to 11.61ms D: [alsa-source-VT1708S Analog] alsa-source.c: hwbuf_unused=350724 D: [alsa-source-VT1708S Analog] alsa-source.c: setting avail_min=257 D: [alsa-source-VT1708S Analog] alsa-source.c: latency set to 11.61ms D: [alsa-source-VT1708S Analog] alsa-source.c: hwbuf_unused=350724 D: [alsa-source-VT1708S Analog] alsa-source.c: setting avail_min=257 -- You are receiving this mail because: You are the QA Contact for the bug. You are the assignee for the bug.
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