what is the smallest buffer size which aplay without underrun ? 1024,512,256,128,64,...
aplay -D front:CARD=CA0106 -v --buffer-size=1024 stereo48000.wav 19:29:42 homecomp pulseaudio[1911]: Protocol version: remote 26, local 29 Dec 25 19:29:42 homecomp pulseaudio[1911]: Got credentials: uid=1000 gid=1000 success=1 Dec 25 19:29:42 homecomp pulseaudio[1911]: SHM possible: yes Dec 25 19:29:42 homecomp pulseaudio[1911]: Negotiated SHM: yes Dec 25 19:29:42 homecomp pulseaudio[1911]: Looking for .desktop file for Transistor.bin.x86_64 Dec 25 19:29:42 homecomp pulseaudio[1911]: Not setting device for stream ALSA Playback, because it lacks role. Dec 25 19:29:42 homecomp pulseaudio[1911]: Negotiated format: pcm, format.sample_format = "\"s16le\"" format.rate = "48000" format.channels = "2" format.channel_map = "\"front-left,front-right\"" Dec 25 19:29:42 homecomp pulseaudio[1911]: Sink alsa_output.pci-0000_06_00.0.analog-stereo becomes busy, resuming. Dec 25 19:29:42 homecomp pulseaudio[1911]: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0 Dec 25 19:29:42 homecomp pulseaudio[1911]: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0 Dec 25 19:29:42 homecomp pulseaudio[1911]: Created input 15 "ALSA Playback" on alsa_output.pci-0000_06_00.0.analog-stereo with sample spec s16le 2ch 48000Hz and channel map front-left,front-right Dec 25 19:29:42 homecomp pulseaudio[1911]: media.name = "ALSA Playback" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.name = "ALSA plug-in [Transistor.bin.x86_64]" Dec 25 19:29:42 homecomp pulseaudio[1911]: native-protocol.peer = "UNIX socket client" Dec 25 19:29:42 homecomp pulseaudio[1911]: native-protocol.version = "26" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.process.id = "9536" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.process.user = "rkfg" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.process.host = "homecomp" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.process.binary = "Transistor.bin.x86_64" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.language = "en_GB.UTF-8" Dec 25 19:29:42 homecomp pulseaudio[1911]: window.x11.display = ":0.0" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.process.machine_id = "3be8f38f291dd2003af500d051c0a849" Dec 25 19:29:42 homecomp pulseaudio[1911]: application.process.session_id = "10" Dec 25 19:29:42 homecomp pulseaudio[1911]: module-stream-restore.id = "sink-input-by-application-name:ALSA plug-in [Transistor.bin.x86_64]" Dec 25 19:29:42 homecomp pulseaudio[1911]: Requested tlength=85.33 ms, minreq=21.33 ms Dec 25 19:29:42 homecomp pulseaudio[1911]: Early requests mode enabled, configuring sink latency to minreq. Dec 25 19:29:42 homecomp pulseaudio[1911]: Requested latency=21.33 ms, Received latency=26.00 ms Dec 25 19:29:42 homecomp pulseaudio[1911]: memblockq requested: maxlength=4194304, tlength=16384, base=4, prebuf=11396, minreq=4992 maxrewind=0 Dec 25 19:29:42 homecomp pulseaudio[1911]: memblockq sanitized: maxlength=4194304, tlength=16384, base=4, prebuf=11396, minreq=4992 maxrewind=0 Dec 25 19:29:42 homecomp pulseaudio[1911]: Final latency 111.33 ms = 33.33 ms + 2*26.00 ms + 26.00 ms Dec 25 19:29:42 homecomp pulseaudio[1911]: Latency set to 26.00ms Dec 25 19:29:42 homecomp pulseaudio[1911]: hwbuf_unused=60544 Dec 25 19:29:42 homecomp pulseaudio[1911]: setting avail_min=15617 Dec 25 19:29:42 homecomp pulseaudio[1911]: Requested volume: front-left: 52559 / 80% / -5.75 dB, front-right: 52559 / 80% / -5.75 dB Dec 25 19:29:42 homecomp pulseaudio[1911]: Got hardware volume: front-left: 53066 / 81% / -5.50 dB, front-right: 53066 / 81% / -5.50 dB Dec 25 19:29:42 homecomp pulseaudio[1911]: Calculated software volume: front-left: 64910 / 99% / -0.25 dB, front-right: 64910 / 99% / -0.25 dB (accurate-enough=yes) Dec 25 19:29:42 homecomp pulseaudio[1911]: Volume not changing Dec 25 19:29:42 homecomp pulseaudio[1911]: Requesting rewind due to end of underrun. Dec 25 19:29:42 homecomp pulseaudio[1911]: Requested to rewind 65536 bytes. Dec 25 19:29:42 homecomp pulseaudio[1911]: Limited to 3904 bytes. Dec 25 19:29:42 homecomp pulseaudio[1911]: before: 976 Dec 25 19:29:42 homecomp pulseaudio[1911]: after: 976 Dec 25 19:29:42 homecomp pulseaudio[1911]: Rewound 3904 bytes. Dec 25 19:29:42 homecomp pulseaudio[1911]: Processing rewind... Dec 25 19:29:42 homecomp pulseaudio[1911]: latency = 65877 Dec 25 19:29:42 homecomp pulseaudio[1911]: Have to rewind 3904 bytes on render memblockq. Dec 25 19:29:42 homecomp pulseaudio[1911]: Have to rewind 3904 bytes on render memblockq. Dec 25 19:29:42 homecomp pulseaudio[1911]: Have to rewind 3904 bytes on render memblockq. Dec 25 19:29:42 homecomp pulseaudio[1911]: Processing rewind... Dec 25 19:29:42 homecomp pulseaudio[1911]: Wakeup from ALSA! Dec 25 19:29:42 homecomp pulseaudio[1911]: Wakeup from ALSA! Dec 25 19:29:42 homecomp pulseaudio[1911]: Wakeup from ALSA! Dec 25 19:30:19 homecomp pulseaudio[1911]: Requesting rewind due to corking Dec 25 19:30:19 homecomp pulseaudio[1911]: Requested to rewind 65536 bytes. Dec 25 19:30:19 homecomp pulseaudio[1911]: Limited to 4544 bytes. Dec 25 19:30:19 homecomp pulseaudio[1911]: before: 1136 Dec 25 19:30:19 homecomp pulseaudio[1911]: after: 1136 Dec 25 19:30:19 homecomp pulseaudio[1911]: Rewound 4544 bytes. Dec 25 19:30:19 homecomp pulseaudio[1911]: Processing rewind... Dec 25 19:30:19 homecomp pulseaudio[1911]: latency = 1234 Dec 25 19:30:19 homecomp pulseaudio[1911]: Have to rewind 4544 bytes on render memblockq. Dec 25 19:30:19 homecomp pulseaudio[1911]: Have to rewind 4544 bytes on render memblockq. Dec 25 19:30:19 homecomp pulseaudio[1911]: Have to rewind 4544 bytes on render memblockq. Dec 25 19:30:19 homecomp pulseaudio[1911]: Have to rewind 4544 bytes on implementor. Dec 25 19:30:19 homecomp pulseaudio[1911]: Processing rewind... Dec 25 19:30:19 homecomp pulseaudio[1911]: Found underrun 4864 bytes ago (128 bytes ahead in playback buffer) Dec 25 19:30:19 homecomp pulseaudio[1911]: Found underrun 4864 bytes ago (64 bytes ahead in playback buffer) Dec 25 19:30:19 homecomp pulseaudio[1911]: Latency set to 26.00ms Dec 25 19:30:19 homecomp pulseaudio[1911]: hwbuf_unused=60544 Dec 25 19:30:19 homecomp pulseaudio[1911]: setting avail_min=15617 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1315212 Title: [CA0106 - CA0106, playback] Playback problem - Surround dies, no valid output To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/1315212/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
