hw_params:access: MMAP_INTERLEAVED
hw_params:format: S16_LE
hw_params:subformat: STD
hw_params:channels: 2
hw_params:rate: 44100 (44100/1)
hw_params:period_size: 1024
hw_params:buffer_size: 4096
info:card: 0
info:device: 0
info:subdevice: 0
info:stream: PLAYBACK
info:id: USB Audio
info:name: USB Audio
info:subname: subdevice #0
info:class: 0
info:subclass: 0
info:subdevices_count: 1
info:subdevices_avail: 0
status:state: RUNNING
status:owner_pid   : 4351
status:trigger_time: 107.480212212
status:tstamp      : 111.934757272
status:delay       : -196216
status:avail       : 200704
status:avail_max   : 200704
status:-----
status:hw_ptr      : 196608
status:appl_ptr    : 0
sw_params:tstamp_mode: ENABLE
sw_params:period_step: 1
sw_params:avail_min: 1024
sw_params:start_threshold: 1
sw_params:stop_threshold: 4611686018427387904
sw_params:silence_threshold: 0
sw_params:silence_size: 4611686018427387904
sw_params:boundary: 4611686018427387904