[pulseaudio-tickets] [Bug 49608] periodic audio skips with Intel HDA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49608

--- Comment #22 from rkfg <rkfg at rkfg.me> ---
Ok, so 1024 overruns:
# aplay -D hw:0,0 -v --buffer-size=1024 /tmp/fr025.wav 
Playing WAVE '/tmp/fr025.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
Stereo
Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Its setup is:
  stream       : PLAYBACK
  access       : RW_INTERLEAVED
  format       : S16_LE
  subformat    : STD
  channels     : 2
  rate         : 44100
  exact rate   : 44100 (44100/1)
  msbits       : 16
  buffer_size  : 1024
  period_size  : 256
  period_time  : 5804
  tstamp_mode  : NONE
  period_step  : 1
  avail_min    : 256
  period_event : 0
  start_threshold  : 1024
  stop_threshold   : 1024
  silence_threshold: 0
  silence_size : 0
  boundary     : 4611686018427387904
  appl_ptr     : 0
  hw_ptr       : 0
underrun!!! (at least 2.306 ms long)
Status:
  state       : XRUN
  trigger_time: 7298.28726754
  tstamp      : 7298.31029657
  delay       : 0
  avail       : 1177
  avail_max   : 1177

2048 does not:

# aplay -D hw:0,0 -v --buffer-size=2048 /tmp/fr025.wav             
Playing WAVE '/tmp/fr025.wav' : Signed 16 bit Little Endian, Rate 44100 Hz,
Stereo
Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Its setup is:
  stream       : PLAYBACK
  access       : RW_INTERLEAVED
  format       : S16_LE
  subformat    : STD
  channels     : 2
  rate         : 44100
  exact rate   : 44100 (44100/1)
  msbits       : 16
  buffer_size  : 2048
  period_size  : 512
  period_time  : 11609
  tstamp_mode  : NONE
  period_step  : 1
  avail_min    : 512
  period_event : 0
  start_threshold  : 2048
  stop_threshold   : 2048
  silence_threshold: 0
  silence_size : 0
  boundary     : 4611686018427387904
  appl_ptr     : 0
  hw_ptr       : 0

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