PulseAudio randomly switching stream from internal output to USB amplifier
Hi, ever since updating from PulseAudio 13.99.1 to 13.99.2 I'm experiencing an issue with stream routing:
I have my headset connected to the internal soundcard of my computer, my speakers are hooked up to a USB amplifier.
The USB amp is my default output, but for online conferences I move the stream of the application to the internal audio using pavucontrol.
This used to work fine, but ever since 13.99.2 PulseAudio will randomly switch the stream back to the USB amp. As you can imagine, this is pretty annoying.
The issue is still present on the current master
branch.
Here is a log of the issue occurring:
( 74.052| 7.618) D: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] total=8.77ms sink=8.77ms
( 74.052| 0.000) D: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] total=47.64ms sink=47.64ms
( 74.052| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] avg total latency is 28.21 msec.
( 74.052| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] target latency is 47.64 msec.
( 74.052| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] new rate of 43929 Hz not within 2‰ of 44100 Hz, forcing smaller adjustment
( 74.052| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] new rate is 44011 Hz; ratio is 0.998; latency is 8.77 msec.
( 74.052| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] new rate of 44100 Hz not within 2‰ of 44005 Hz, forcing smaller adjustment
( 74.052| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] new rate is 44093 Hz; ratio is 1.000; latency is 47.64 msec.
( 76.431| 2.378) I: [pulseaudio] module-stream-restore.c: Synced.
( 84.052| 7.621) D: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] total=11.32ms sink=11.32ms
( 84.052| 0.000) D: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] total=46.66ms sink=46.66ms
( 84.052| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] avg total latency is 28.99 msec.
( 84.052| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] target latency is 46.66 msec.
( 84.053| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] new rate is 43945 Hz; ratio is 0.996; latency is 11.32 msec.
( 84.053| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] new rate is 44100 Hz; ratio is 1.000; latency is 46.66 msec.
( 94.053| 10.000) D: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] total=11.36ms sink=11.36ms
( 94.053| 0.000) D: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] total=46.22ms sink=46.22ms
( 94.053| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] avg total latency is 28.79 msec.
( 94.053| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] target latency is 46.22 msec.
( 94.053| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] new rate is 43947 Hz; ratio is 0.997; latency is 11.36 msec.
( 94.053| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] new rate is 44100 Hz; ratio is 1.000; latency is 46.22 msec.
( 104.053| 10.000) D: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] total=10.36ms sink=10.36ms
( 104.053| 0.000) D: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] total=33.34ms sink=33.34ms
( 104.053| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] avg total latency is 21.85 msec.
( 104.053| 0.000) I: [pulseaudio] module-combine-sink.c: [combined] target latency is 33.34 msec.
( 104.054| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.pci-0000_00_1b.0.analog-stereo] new rate is 43999 Hz; ratio is 0.998; latency is 10.36 msec.
( 104.054| 0.000) I: [pulseaudio] module-combine-sink.c: [alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo] new rate is 44100 Hz; ratio is 1.000; latency is 33.34 msec.
( 106.668| 2.614) D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now plugged in
( 106.668| 0.000) D: [pulseaudio] device-port.c: Setting port analog-output-headphones to status yes
( 106.689| 0.021) D: [pulseaudio] module-alsa-card.c: Jack 'Front Headphone Jack' is now unplugged
( 106.689| 0.000) D: [pulseaudio] device-port.c: Setting port analog-output-headphones to status no
( 106.689| 0.000) I: [pulseaudio] sink.c: The sink input 2 "Google Chrome" is moving to alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo, because the old sink became unavailable.
( 106.689| 0.000) D: [pulseaudio] sink-input.c: Starting to move sink input 2 from 'alsa_output.pci-0000_00_1b.0.analog-stereo'
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Latency set to 11.61ms
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: hwbuf_unused=350752
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: setting avail_min=88025
( 106.689| 0.000) I: [pulseaudio] source-output.c: Freeing output 15 "Peak detect"
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] sink-input.c: Have to rewind 2076 bytes on render memblockq.
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] sink-input.c: Have to rewind 4152 bytes on implementor.
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Latency set to 40.00ms
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: hwbuf_unused=345744
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: setting avail_min=88025
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] module-combine-sink.c: Sink input update max request 7040
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Requesting rewind due to started move
( 106.689| 0.000) D: [combine] module-combine-sink.c: Sink update max request 7044
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Requested volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Got hardware volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Calculated software volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB (accurate-enough=yes)
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Volume not changing
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Requested to rewind 7056 bytes.
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Limited to 1792 bytes.
( 106.689| 0.000) I: [pulseaudio] sink-input.c: Trying to change sample spec
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: before: 448
( 106.689| 0.000) D: [pulseaudio] sink.c: Default and alternate sample rates are the same, so there is no point in switching.
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: after: 448
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Rewound 1792 bytes.
( 106.689| 0.000) I: [pulseaudio] protocol-native.c: Requested tlength=34.83 ms, minreq=5.80 ms
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Processing rewind...
( 106.689| 0.000) D: [pulseaudio] protocol-native.c: Adjust latency mode enabled, configuring sink latency to half of overall latency.
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: latency = 1459
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] sink-input.c: Have to rewind 1792 bytes on render memblockq.
( 106.689| 0.000) D: [pulseaudio] protocol-native.c: Requested latency=11.61 ms, Received latency=11.61 ms
( 106.689| 0.000) D: [alsa-sink-ALC892 Analog] source.c: Processing rewind...
( 106.690| 0.000) D: [pulseaudio] resampler.c: Resampler:
( 106.690| 0.000) D: [pulseaudio] resampler.c: rate 44100 -> 48000 (method speex-float-1)
( 106.690| 0.000) D: [pulseaudio] resampler.c: format float32le -> s16le (intermediate float32le)
( 106.690| 0.000) D: [pulseaudio] resampler.c: channels 2 -> 2 (resampling 2)
( 106.690| 0.000) I: [pulseaudio] speex.c: Choosing speex quality setting 1.
( 106.690| 0.000) D: [pulseaudio] memblockq.c: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0
( 106.690| 0.000) D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0
( 106.690| 0.000) D: [pulseaudio] sink-input.c: Updated resampler for sink input 2
( 106.690| 0.000) D: [alsa-sink-USB Audio] sink.c: Requesting rewind due to finished move
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Latency set to 16.00ms
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: hwbuf_unused=380928
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: setting avail_min=95722
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Requesting rewind due to latency change.
( 106.690| 0.000) D: [alsa-sink-USB Audio] module-combine-sink.c: Sink input update max request 2824
( 106.690| 0.000) D: [alsa-sink-USB Audio] protocol-native.c: max_request changed, trying to update from 8192 to 9744.
( 106.690| 0.000) D: [combine] module-combine-sink.c: Sink update max request 7040
( 106.690| 0.000) D: [alsa-sink-USB Audio] protocol-native.c: Notifying client about increased tlength
( 106.690| 0.000) D: [pulseaudio] sink-input.c: Successfully moved sink input 2 to alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo.
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Requested to rewind 7680 bytes.
( 106.690| 0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo becomes busy, resuming.
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Limited to 7424 bytes.
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: before: 1856
( 106.690| 0.000) D: [pulseaudio] module-switch-on-port-available.c: Trying to switch away from port analog-output-headphones, found analog-output-lineout
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: after: 1856
( 106.690| 0.000) D: [pulseaudio] module-switch-on-port-available.c: Trying to switch to port analog-output-lineout
( 106.690| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Rewound 7424 bytes.
( 106.690| 0.000) I: [pulseaudio] alsa-sink.c: Successfully enabled deferred volume.
( 106.690| 0.000) D: [alsa-sink-USB Audio] sink.c: Processing rewind...
( 106.690| 0.000) I: [pulseaudio] alsa-sink.c: Hardware volume ranges from -179.00 dB to 0.00 dB.
( 106.690| 0.000) D: [alsa-sink-USB Audio] sink-input.c: Have to rewind 7424 bytes on render memblockq.
( 106.690| 0.000) I: [pulseaudio] alsa-sink.c: Fixing base volume to 0.00 dB
( 106.690| 0.000) D: [alsa-sink-USB Audio] sink-input.c: Have to rewind 7424 bytes on render memblockq.
( 106.690| 0.000) I: [pulseaudio] alsa-sink.c: Using hardware volume control. Hardware dB scale supported.
( 106.690| 0.000) D: [alsa-sink-USB Audio] source.c: Processing rewind...
( 106.690| 0.000) I: [pulseaudio] alsa-sink.c: Using hardware mute control.
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Activating path analog-output-lineout
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Path analog-output-lineout (Line Out), direction=1, priority=90, probed=yes, supported=yes, has_mute=yes, has_volume=yes, has_dB=yes, min_volume=0, max_volume=64, min_dB=-179, max_dB=0
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'Master', direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x7ffffffffffff, n_channels=1, override_map=03
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'Headphone', direction=1, switch=2, volume=2, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=00
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'Front', direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x6, n_channels=2, override_map=03
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'Surround', direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x60, n_channels=2, override_map=03
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'Side', direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0xc00, n_channels=2, override_map=03
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'Center', direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x4900000000018, n_channels=1, override_map=03
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'LFE', direction=1, switch=1, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x80, n_channels=1, override_map=03
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'PCM', direction=1, switch=0, volume=1, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x3600000000f66, n_channels=2, override_map=03
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Element 'IEC958', direction=1, switch=2, volume=0, volume_limit=-1, enumeration=0, required=0, required_any=0, required_absent=0, mask=0x0, n_channels=0, override_map=00
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out, alsa_name='Line Out Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out Phantom, alsa_name='Line Out Phantom Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Front Line Out, alsa_name='Front Line Out Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Front Line Out Phantom, alsa_name='Front Line Out Phantom Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Rear Line Out, alsa_name='Rear Line Out Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Rear Line Out Phantom, alsa_name='Rear Line Out Phantom Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out Front, alsa_name='Line Out Front Jack', index='0', detection possible
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out Front Phantom, alsa_name='Line Out Front Phantom Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out CLFE, alsa_name='Line Out CLFE Jack', index='0', detection possible
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out CLFE Phantom, alsa_name='Line Out CLFE Phantom Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out Surround, alsa_name='Line Out Surround Jack', index='0', detection possible
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out Surround Phantom, alsa_name='Line Out Surround Phantom Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out Side, alsa_name='Line Out Side Jack', index='0', detection possible
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Line Out Side Phantom, alsa_name='Line Out Side Phantom Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Dock Line Out, alsa_name='Dock Line Out Jack', index='0', detection unavailable
( 106.690| 0.000) D: [alsa-sink-ALC892 Analog] alsa-mixer.c: Jack Dock Line Out Phantom, alsa_name='Dock Line Out Phantom Jack', index='0', detection unavailable
( 106.691| 0.000) D: [pulseaudio] core-subscribe.c: Dropped redundant event due to change event.
( 106.691| 0.000) I: [pulseaudio] sink.c: Changed port of sink 0 "alsa_output.pci-0000_00_1b.0.analog-stereo" to analog-output-lineout
( 106.691| 0.000) I: [pulseaudio] module-device-restore.c: Restoring volume for sink alsa_output.pci-0000_00_1b.0.analog-stereo.
( 106.691| 0.000) D: [pulseaudio] sink.c: The reference volume of sink alsa_output.pci-0000_00_1b.0.analog-stereo changed from front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB to front-left: 36854 / 56% / -15.00 dB, front-right: 36854 / 56% / -15.00 dB.
( 106.691| 0.000) D: [pulseaudio] core-subscribe.c: Dropped redundant event due to change event.
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Requested volume: front-left: 36854 / 56% / -15.00 dB, front-right: 36854 / 56% / -15.00 dB
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Got hardware volume: front-left: 36854 / 56% / -15.00 dB, front-right: 36854 / 56% / -15.00 dB
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Calculated software volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB (accurate-enough=yes)
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Volume going down to 36854 at 19524426165
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] ratelimit.c: 14 events suppressed
( 106.691| 0.000) I: [pulseaudio] module-device-restore.c: Restoring mute state for sink alsa_output.pci-0000_00_1b.0.analog-stereo.
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Next volume change in 30496 usec
( 106.691| 0.000) D: [pulseaudio] sink.c: The mute of sink alsa_output.pci-0000_00_1b.0.analog-stereo changed from no to yes.
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Next volume change in 30467 usec
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Next volume change in 30085 usec
( 106.691| 0.000) D: [pulseaudio] core-subscribe.c: Dropped redundant event due to change event.
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Requested to rewind 7056 bytes.
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Limited to 6384 bytes.
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: before: 1596
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: after: 1596
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] alsa-sink.c: Rewound 6384 bytes.
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Processing rewind...
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: latency = 1830
( 106.691| 0.000) D: [alsa-sink-ALC892 Analog] sink.c: Volume change to 36854 at 19524389983 was written 6170 usec late
( 106.692| 0.000) D: [alsa-sink-ALC892 Analog] sink-input.c: Have to rewind 6384 bytes on render memblockq.
( 106.692| 0.000) D: [alsa-sink-ALC892 Analog] source.c: Processing rewind...
( 106.714| 0.022) D: [pulseaudio] module-intended-roles.c: Not setting device for stream Peak detect, because already set.
( 106.714| 0.000) D: [pulseaudio] source-output.c: Negotiated format: pcm, format.sample_format = "\"float32le\"" format.rate = "25" format.channels = "1" format.channel_map = "\"mono\""
( 106.714| 0.000) I: [pulseaudio] source-output.c: Trying to change sample spec
( 106.714| 0.000) D: [pulseaudio] source.c: Default and alternate sample rates are the same, so there is no point in switching.
( 106.714| 0.000) D: [pulseaudio] module-suspend-on-idle.c: Sink alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo becomes busy, resuming.
( 106.714| 0.000) D: [pulseaudio] resampler.c: Resampler:
( 106.714| 0.000) D: [pulseaudio] resampler.c: rate 48000 -> 25 (method peaks)
( 106.714| 0.000) D: [pulseaudio] resampler.c: format s16le -> float32le (intermediate s16le)
( 106.714| 0.000) D: [pulseaudio] resampler.c: channels 2 -> 1 (resampling 1)
( 106.714| 0.000) D: [pulseaudio] resampler.c: Channel matrix:
( 106.714| 0.000) D: [pulseaudio] resampler.c: I00 I01
( 106.714| 0.000) D: [pulseaudio] resampler.c: +------------
( 106.714| 0.000) D: [pulseaudio] resampler.c: O00 | 0.500 0.500
( 106.714| 0.000) I: [pulseaudio] remap.c: Using stereo to mono remapping
( 106.714| 0.000) D: [pulseaudio] memblockq.c: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0
( 106.714| 0.000) D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0
( 106.714| 0.000) I: [pulseaudio] source-output.c: Created output 16 "Peak detect" on alsa_output.usb-Generic_USB2.0_Device_20121120222017-01.analog-stereo.monitor with sample spec float32le 1ch 25Hz and channel map mono
( 106.714| 0.000) I: [pulseaudio] source-output.c: media.name = "Peak detect"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.name = "PulseAudio Volume Control"
( 106.714| 0.000) I: [pulseaudio] source-output.c: native-protocol.peer = "UNIX socket client"
( 106.714| 0.000) I: [pulseaudio] source-output.c: native-protocol.version = "35"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.id = "org.PulseAudio.pavucontrol"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.icon_name = "audio-card"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.version = "4.0"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.process.id = "55567"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.process.user = "benpicco"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.process.host = "rechenknecht2k11"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.process.binary = "pavucontrol"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.language = "en_US.UTF-8"
( 106.714| 0.000) I: [pulseaudio] source-output.c: window.x11.display = ":0"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.process.machine_id = "95ce0da456bc4a15a09ca47b416bab6e"
( 106.714| 0.000) I: [pulseaudio] source-output.c: application.process.session_id = "c2"
( 106.714| 0.000) I: [pulseaudio] source-output.c: module-stream-restore.id = "source-output-by-application-id:org.PulseAudio.pavucontrol"
( 106.715| 0.000) D: [pulseaudio] memblockq.c: memblockq requested: maxlength=4194304, tlength=0, base=4, prebuf=1, minreq=0 maxrewind=0
( 106.715| 0.000) D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=4194304, tlength=4194304, base=4, prebuf=4, minreq=4 maxrewind=0
( 106.715| 0.000) I: [pulseaudio] protocol-native.c: Final latency 80.00 ms = 40.00 ms + 40.00 ms
( 106.715| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Latency set to 16.00ms
( 106.715| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: hwbuf_unused=380928
( 106.715| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: setting avail_min=95722
( 106.715| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: Latency set to 16.00ms
( 106.715| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: hwbuf_unused=380928
( 106.715| 0.000) D: [alsa-sink-USB Audio] alsa-sink.c: setting avail_min=95722