https://bugs.freedesktop.org/show_bug.cgi?id=93193

--- Comment #3 from tewilove <[email protected]> ---
(In reply to tewilove from comment #2)
> alsa-info when doing nothing:
> http://www.alsa-project.org/db/?f=c713652b7602889c68f688d72cfb49af215d2336
> alsa-info when using VLC(alsa aout, working volume control):
> http://www.alsa-project.org/db/?f=4d8dd20c7a5c5405b32ed11fd06f70dab3cdc30d
> alsa-info when using rhythmbox(half volume but behaves mute):
> http://www.alsa-project.org/db/?f=e6b7dd058a6c08661f9791e91440b55a8929f7a3
> alsa-info when using rhythmbox(full volume):
> http://www.alsa-project.org/db/?f=1fb0310863e9c194f1ac7d9280ed9cb5cd06b71a
> 
> [ming@MiWiFi-R1CM-srv rhythmbox]$ pactl list
> Module #0
>       Name: module-device-restore
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Automatically restore the volume/mute 
> state of
> devices"
>               module.version = "7.1"
> 
> Module #1
>       Name: module-stream-restore
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Automatically restore the 
> volume/mute/device state
> of streams"
>               module.version = "7.1"
> 
> Module #2
>       Name: module-card-restore
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Automatically restore profile of cards"
>               module.version = "7.1"
> 
> Module #3
>       Name: module-augment-properties
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Augment the property sets of streams with 
> additional
> static information"
>               module.version = "7.1"
> 
> Module #4
>       Name: module-switch-on-port-available
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               
> 
> Module #5
>       Name: module-udev-detect
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Detect available audio hardware and load 
> matching
> drivers"
>               module.version = "7.1"
> 
> Module #6
>       Name: module-alsa-card
>       Argument: device_id="0" name="pci-0000_00_03.0"
> card_name="alsa_card.pci-0000_00_03.0" namereg_fail=false tsched=yes
> fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes
> card_properties="module-udev-detect.discovered=1"
>       Usage counter: 0
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "ALSA Card"
>               module.version = "7.1"
> 
> Module #7
>       Name: module-alsa-card
>       Argument: device_id="1" name="pci-0000_00_1b.0"
> card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes
> fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes
> card_properties="module-udev-detect.discovered=1"
>       Usage counter: 1
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "ALSA Card"
>               module.version = "7.1"
> 
> Module #8
>       Name: module-bluetooth-policy
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Frédéric Dalleau"
>               module.description = "When a bluetooth sink or source is added, 
> load
> module-loopback"
>               module.version = "7.1"
> 
> Module #9
>       Name: module-bluetooth-discover
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "João Paulo Rechi Vita"
>               module.description = "Detect available Bluetooth daemon and 
> load the
> corresponding discovery module"
>               module.version = "7.1"
> 
> Module #10
>       Name: module-bluez5-discover
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "João Paulo Rechi Vita"
>               module.description = "Detect available BlueZ 5 Bluetooth audio 
> devices and
> load BlueZ 5 Bluetooth audio drivers"
>               module.version = "7.1"
> 
> Module #11
>       Name: module-esound-protocol-unix
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "ESOUND protocol (UNIX sockets)"
>               module.version = "7.1"
> 
> Module #12
>       Name: module-native-protocol-unix
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Native protocol (UNIX sockets)"
>               module.version = "7.1"
> 
> Module #13
>       Name: module-default-device-restore
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Automatically restore the default sink 
> and source"
>               module.version = "7.1"
> 
> Module #14
>       Name: module-rescue-streams
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "When a sink/source is removed, try to 
> move its
> streams to the default sink/source"
>               module.version = "7.1"
> 
> Module #15
>       Name: module-always-sink
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Colin Guthrie"
>               module.description = "Always keeps at least one sink loaded 
> even if it's a
> null one"
>               module.version = "7.1"
> 
> Module #16
>       Name: module-intended-roles
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Automatically set device of streams based 
> on
> intended roles of devices"
>               module.version = "7.1"
> 
> Module #17
>       Name: module-suspend-on-idle
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "When a sink/source is idle for too long, 
> suspend it"
>               module.version = "7.1"
> 
> Module #18
>       Name: module-systemd-login
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Create a client for each login session of 
> this user"
>               module.version = "7.1"
> 
> Module #19
>       Name: module-position-event-sounds
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Position event sounds between L and R 
> depending on
> the position on screen of the widget triggering them."
>               module.version = "7.1"
> 
> Module #20
>       Name: module-role-cork
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Mute & cork streams with certain roles 
> while others
> exist"
>               module.version = "7.1"
> 
> Module #21
>       Name: module-filter-heuristics
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Colin Guthrie"
>               module.description = "Detect when various filters are desirable"
>               module.version = "7.1"
> 
> Module #22
>       Name: module-filter-apply
>       Argument: 
>       Usage counter: n/a
>       Properties:
>               module.author = "Colin Guthrie"
>               module.description = "Load filter sinks automatically when 
> needed"
>               module.version = "7.1"
> 
> Module #23
>       Name: module-x11-publish
>       Argument: display=:0
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "X11 credential publisher"
>               module.version = "7.1"
> 
> Module #24
>       Name: module-x11-cork-request
>       Argument: display=:0
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "Synthesize X11 media key events when 
> cork/uncork is
> requested"
>               module.version = "7.1"
> 
> Module #25
>       Name: module-x11-xsmp
>       Argument: display=:0
> session_manager=local/unix:@/tmp/.ICE-unix/2182,unix/unix:/tmp/.ICE-unix/2182
>       Usage counter: n/a
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "X11 session management"
>               module.version = "7.1"
> 
> Module #26
>       Name: module-alsa-card
>       Argument: device_id="2"
> name="usb-Audioengine_Audioengine_D3_Audioengine-00"
> card_name="alsa_card.usb-Audioengine_Audioengine_D3_Audioengine-00"
> namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no
> deferred_volume=yes use_ucm=yes
> card_properties="module-udev-detect.discovered=1"
>       Usage counter: 0
>       Properties:
>               module.author = "Lennart Poettering"
>               module.description = "ALSA Card"
>               module.version = "7.1"
> 
> Sink #0
>       State: SUSPENDED
>       Name: alsa_output.pci-0000_00_03.0.hdmi-stereo
>       Description: Built-in Audio Digital Stereo (HDMI)
>       Driver: module-alsa-card.c
>       Sample Specification: s16le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Owner Module: 6
>       Mute: no
>       Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% 
> /
> 0.00 dB
>               balance 0.00
>       Base Volume: 65536 / 100% / 0.00 dB
>       Monitor Source: alsa_output.pci-0000_00_03.0.hdmi-stereo.monitor
>       Latency: 0 usec, configured 0 usec
>       Flags: HARDWARE DECIBEL_VOLUME LATENCY SET_FORMATS 
>       Properties:
>               alsa.resolution_bits = "16"
>               device.api = "alsa"
>               device.class = "sound"
>               alsa.class = "generic"
>               alsa.subclass = "generic-mix"
>               alsa.name = "HDMI 0"
>               alsa.id = "HDMI 0"
>               alsa.subdevice = "0"
>               alsa.subdevice_name = "subdevice #0"
>               alsa.device = "3"
>               alsa.card = "0"
>               alsa.card_name = "HDA Intel HDMI"
>               alsa.long_card_name = "HDA Intel HDMI at 0xee414000 irq 41"
>               alsa.driver_name = "snd_hda_intel"
>               device.bus_path = "pci-0000:00:03.0"
>               sysfs.path = "/devices/pci0000:00/0000:00:03.0/sound/card0"
>               device.bus = "pci"
>               device.vendor.id = "8086"
>               device.vendor.name = "Intel Corporation"
>               device.product.id = "0c0c"
>               device.product.name = "Xeon E3-1200 v3/4th Gen Core Processor 
> HD Audio
> Controller"
>               device.form_factor = "internal"
>               device.string = "hdmi:0"
>               device.buffering.buffer_size = "352768"
>               device.buffering.fragment_size = "176384"
>               device.access_mode = "mmap+timer"
>               device.profile.name = "hdmi-stereo"
>               device.profile.description = "Digital Stereo (HDMI)"
>               device.description = "Built-in Audio Digital Stereo (HDMI)"
>               alsa.mixer_name = "Intel Haswell HDMI"
>               alsa.components = "HDA:80862807,80860101,00100000"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-pci"
>       Ports:
>               hdmi-output-0: HDMI / DisplayPort (priority: 5900, not 
> available)
>       Active Port: hdmi-output-0
>       Formats:
>               pcm
> 
> Sink #1
>       State: SUSPENDED
>       Name: alsa_output.pci-0000_00_1b.0.analog-stereo
>       Description: Built-in Audio Analog Stereo
>       Driver: module-alsa-card.c
>       Sample Specification: s16le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Owner Module: 7
>       Mute: no
>       Volume: front-left: 20949 /  32% / -29.72 dB,   front-right: 20949 /  
> 32% /
> -29.72 dB
>               balance 0.00
>       Base Volume: 65536 / 100% / 0.00 dB
>       Monitor Source: alsa_output.pci-0000_00_1b.0.analog-stereo.monitor
>       Latency: 0 usec, configured 0 usec
>       Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY 
>       Properties:
>               alsa.resolution_bits = "16"
>               device.api = "alsa"
>               device.class = "sound"
>               alsa.class = "generic"
>               alsa.subclass = "generic-mix"
>               alsa.name = "ALC668 Analog"
>               alsa.id = "ALC668 Analog"
>               alsa.subdevice = "0"
>               alsa.subdevice_name = "subdevice #0"
>               alsa.device = "0"
>               alsa.card = "1"
>               alsa.card_name = "HDA Intel PCH"
>               alsa.long_card_name = "HDA Intel PCH at 0xee410000 irq 40"
>               alsa.driver_name = "snd_hda_intel"
>               device.bus_path = "pci-0000:00:1b.0"
>               sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card1"
>               device.bus = "pci"
>               device.vendor.id = "8086"
>               device.vendor.name = "Intel Corporation"
>               device.product.id = "8c20"
>               device.product.name = "8 Series/C220 Series Chipset High 
> Definition Audio
> Controller"
>               device.form_factor = "internal"
>               device.string = "front:1"
>               device.buffering.buffer_size = "352800"
>               device.buffering.fragment_size = "176400"
>               device.access_mode = "mmap+timer"
>               device.profile.name = "analog-stereo"
>               device.profile.description = "Analog Stereo"
>               device.description = "Built-in Audio Analog Stereo"
>               alsa.mixer_name = "Realtek ALC668"
>               alsa.components = "HDA:10ec0668,104318dd,00100003"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-pci"
>       Ports:
>               analog-output-speaker: Speakers (priority: 10000)
>               analog-output-headphones: Headphones (priority: 9000, not 
> available)
>       Active Port: analog-output-speaker
>       Formats:
>               pcm
> 
> Sink #2
>       State: SUSPENDED
>       Name:
> alsa_output.usb-Audioengine_Audioengine_D3_Audioengine-00.analog-stereo
>       Description: Audioengine D3 Analog Stereo
>       Driver: module-alsa-card.c
>       Sample Specification: s24le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Owner Module: 26
>       Mute: no
>       Volume: front-left: 67502 / 103% / 0.77 dB,   front-right: 67502 / 103% 
> /
> 0.77 dB
>               balance 0.00
>       Base Volume: 65035 /  99% / -0.20 dB
>       Monitor Source:
> alsa_output.usb-Audioengine_Audioengine_D3_Audioengine-00.analog-stereo.
> monitor
>       Latency: 0 usec, configured 0 usec
>       Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY 
>       Properties:
>               alsa.resolution_bits = "24"
>               device.api = "alsa"
>               device.class = "sound"
>               alsa.class = "generic"
>               alsa.subclass = "generic-mix"
>               alsa.name = "USB Audio"
>               alsa.id = "USB Audio"
>               alsa.subdevice = "0"
>               alsa.subdevice_name = "subdevice #0"
>               alsa.device = "0"
>               alsa.card = "2"
>               alsa.card_name = "Audioengine D3"
>               alsa.long_card_name = "Audioengine Audioengine D3 at 
> usb-0000:00:14.0-3.4,
> full speed"
>               alsa.driver_name = "snd_usb_audio"
>               device.bus_path = "pci-0000:00:14.0-usb-0:3.4:1.0"
>               sysfs.path =
> "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3.4/1-3.4:1.0/sound/card2"
>               udev.id = "usb-Audioengine_Audioengine_D3_Audioengine-00"
>               device.bus = "usb"
>               device.vendor.id = "2912"
>               device.vendor.name = "Audioengine"
>               device.product.id = "120b"
>               device.product.name = "Audioengine D3"
>               device.serial = "Audioengine_Audioengine_D3_Audioengine"
>               device.string = "hw:2"
>               device.buffering.buffer_size = "26448"
>               device.buffering.fragment_size = "6612"
>               device.access_mode = "mmap"
>               device.profile.name = "analog-stereo"
>               device.profile.description = "Analog Stereo"
>               device.description = "Audioengine D3 Analog Stereo"
>               alsa.mixer_name = "USB Mixer"
>               alsa.components = "USB2912:120b"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-usb"
>       Ports:
>               analog-output: Analog Output (priority: 9900)
>       Active Port: analog-output
>       Formats:
>               pcm
> 
> Source #0
>       State: SUSPENDED
>       Name: alsa_output.pci-0000_00_03.0.hdmi-stereo.monitor
>       Description: Monitor of Built-in Audio Digital Stereo (HDMI)
>       Driver: module-alsa-card.c
>       Sample Specification: s16le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Owner Module: 6
>       Mute: no
>       Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% 
> /
> 0.00 dB
>               balance 0.00
>       Base Volume: 65536 / 100% / 0.00 dB
>       Monitor of Sink: alsa_output.pci-0000_00_03.0.hdmi-stereo
>       Latency: 0 usec, configured 0 usec
>       Flags: DECIBEL_VOLUME LATENCY 
>       Properties:
>               device.description = "Monitor of Built-in Audio Digital Stereo 
> (HDMI)"
>               device.class = "monitor"
>               alsa.card = "0"
>               alsa.card_name = "HDA Intel HDMI"
>               alsa.long_card_name = "HDA Intel HDMI at 0xee414000 irq 41"
>               alsa.driver_name = "snd_hda_intel"
>               device.bus_path = "pci-0000:00:03.0"
>               sysfs.path = "/devices/pci0000:00/0000:00:03.0/sound/card0"
>               device.bus = "pci"
>               device.vendor.id = "8086"
>               device.vendor.name = "Intel Corporation"
>               device.product.id = "0c0c"
>               device.product.name = "Xeon E3-1200 v3/4th Gen Core Processor 
> HD Audio
> Controller"
>               device.form_factor = "internal"
>               device.string = "0"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-pci"
>       Formats:
>               pcm
> 
> Source #1
>       State: SUSPENDED
>       Name: alsa_output.pci-0000_00_1b.0.analog-stereo.monitor
>       Description: Monitor of Built-in Audio Analog Stereo
>       Driver: module-alsa-card.c
>       Sample Specification: s16le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Owner Module: 7
>       Mute: no
>       Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% 
> /
> 0.00 dB
>               balance 0.00
>       Base Volume: 65536 / 100% / 0.00 dB
>       Monitor of Sink: alsa_output.pci-0000_00_1b.0.analog-stereo
>       Latency: 0 usec, configured 0 usec
>       Flags: DECIBEL_VOLUME LATENCY 
>       Properties:
>               device.description = "Monitor of Built-in Audio Analog Stereo"
>               device.class = "monitor"
>               alsa.card = "1"
>               alsa.card_name = "HDA Intel PCH"
>               alsa.long_card_name = "HDA Intel PCH at 0xee410000 irq 40"
>               alsa.driver_name = "snd_hda_intel"
>               device.bus_path = "pci-0000:00:1b.0"
>               sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card1"
>               device.bus = "pci"
>               device.vendor.id = "8086"
>               device.vendor.name = "Intel Corporation"
>               device.product.id = "8c20"
>               device.product.name = "8 Series/C220 Series Chipset High 
> Definition Audio
> Controller"
>               device.form_factor = "internal"
>               device.string = "1"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-pci"
>       Formats:
>               pcm
> 
> Source #2
>       State: RUNNING
>       Name: alsa_input.pci-0000_00_1b.0.analog-stereo
>       Description: Built-in Audio Analog Stereo
>       Driver: module-alsa-card.c
>       Sample Specification: s16le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Owner Module: 7
>       Mute: no
>       Volume: front-left: 31914 /  49% / -18.75 dB,   front-right: 31914 /  
> 49% /
> -18.75 dB
>               balance 0.00
>       Base Volume: 20724 /  32% / -30.00 dB
>       Monitor of Sink: n/a
>       Latency: 2408 usec, configured 40000 usec
>       Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY 
>       Properties:
>               alsa.resolution_bits = "16"
>               device.api = "alsa"
>               device.class = "sound"
>               alsa.class = "generic"
>               alsa.subclass = "generic-mix"
>               alsa.name = "ALC668 Analog"
>               alsa.id = "ALC668 Analog"
>               alsa.subdevice = "0"
>               alsa.subdevice_name = "subdevice #0"
>               alsa.device = "0"
>               alsa.card = "1"
>               alsa.card_name = "HDA Intel PCH"
>               alsa.long_card_name = "HDA Intel PCH at 0xee410000 irq 40"
>               alsa.driver_name = "snd_hda_intel"
>               device.bus_path = "pci-0000:00:1b.0"
>               sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card1"
>               device.bus = "pci"
>               device.vendor.id = "8086"
>               device.vendor.name = "Intel Corporation"
>               device.product.id = "8c20"
>               device.product.name = "8 Series/C220 Series Chipset High 
> Definition Audio
> Controller"
>               device.form_factor = "internal"
>               device.string = "front:1"
>               device.buffering.buffer_size = "352800"
>               device.buffering.fragment_size = "176400"
>               device.access_mode = "mmap+timer"
>               device.profile.name = "analog-stereo"
>               device.profile.description = "Analog Stereo"
>               device.description = "Built-in Audio Analog Stereo"
>               alsa.mixer_name = "Realtek ALC668"
>               alsa.components = "HDA:10ec0668,104318dd,00100003"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-pci"
>       Ports:
>               analog-input-mic: Microphone (priority: 8700)
>       Active Port: analog-input-mic
>       Formats:
>               pcm
> 
> Source #3
>       State: SUSPENDED
>       Name:
> alsa_output.usb-Audioengine_Audioengine_D3_Audioengine-00.analog-stereo.
> monitor
>       Description: Monitor of Audioengine D3 Analog Stereo
>       Driver: module-alsa-card.c
>       Sample Specification: s24le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Owner Module: 26
>       Mute: no
>       Volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% 
> /
> 0.00 dB
>               balance 0.00
>       Base Volume: 65536 / 100% / 0.00 dB
>       Monitor of Sink:
> alsa_output.usb-Audioengine_Audioengine_D3_Audioengine-00.analog-stereo
>       Latency: 0 usec, configured 0 usec
>       Flags: DECIBEL_VOLUME LATENCY 
>       Properties:
>               device.description = "Monitor of Audioengine D3 Analog Stereo"
>               device.class = "monitor"
>               alsa.card = "2"
>               alsa.card_name = "Audioengine D3"
>               alsa.long_card_name = "Audioengine Audioengine D3 at 
> usb-0000:00:14.0-3.4,
> full speed"
>               alsa.driver_name = "snd_usb_audio"
>               device.bus_path = "pci-0000:00:14.0-usb-0:3.4:1.0"
>               sysfs.path =
> "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3.4/1-3.4:1.0/sound/card2"
>               udev.id = "usb-Audioengine_Audioengine_D3_Audioengine-00"
>               device.bus = "usb"
>               device.vendor.id = "2912"
>               device.vendor.name = "Audioengine"
>               device.product.id = "120b"
>               device.product.name = "Audioengine D3"
>               device.serial = "Audioengine_Audioengine_D3_Audioengine"
>               device.string = "2"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-usb"
>       Formats:
>               pcm
> 
> Source Output #3
>       Driver: protocol-native.c
>       Owner Module: 12
>       Client: 52
>       Source: 2
>       Sample Specification: float32le 1ch 25Hz
>       Channel Map: mono
>       Format: pcm, format.sample_format = "\"float32le\""  format.rate = "25" 
> format.channels = "1"  format.channel_map = "\"mono\""
>       Corked: no
>       Mute: no
>       Volume: mono: 31914 /  49% / -18.75 dB
>               balance 0.00
>       Buffer Latency: 0 usec
>       Source Latency: 2554 usec
>       Resample method: peaks
>       Properties:
>               application.id = "org.gnome.VolumeControl"
>               media.name = "Peak detect"
>               application.name = "GNOME Volume Control Dialog"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.icon_name = "multimedia-volume-control"
>               application.version = "3.18.2"
>               application.process.id = "5312"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "gnome-control-center"
>               application.language = "en_US.UTF-8"
>               window.x11.display = ":0"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
>               module-stream-restore.id =
> "source-output-by-application-id:org.gnome.VolumeControl"
> 
> Client #0
>       Driver: module-systemd-login.c
>       Owner Module: 18
>       Properties:
>               application.name = "Login Session 1"
>               systemd-login.session = "1"
> 
> Client #3
>       Driver: protocol-native.c
>       Owner Module: 12
>       Properties:
>               application.name = "GNOME Volume Control Media Keys"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.id = "org.gnome.VolumeControl"
>               application.icon_name = "multimedia-volume-control"
>               application.version = "3.18.2"
>               application.process.id = "2296"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "gnome-settings-daemon"
>               application.language = "en_US.UTF-8"
>               window.x11.display = ":0"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
> 
> Client #6
>       Driver: module-x11-xsmp.c
>       Owner Module: 25
>       Properties:
>               application.name = "XSMP Session on gnome-session as
> 10f312bba46b4eb822144876763922663400000021820030"
>               xsmp.vendor = "gnome-session"
>               xsmp.client.id = 
> "10f312bba46b4eb822144876763922663400000021820030"
> 
> Client #7
>       Driver: protocol-native.c
>       Owner Module: 12
>       Properties:
>               application.name = "GNOME Shell"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.id = "org.gnome.Shell"
>               application.icon_name = "start-here"
>               application.language = "en_US.UTF-8"
>               window.x11.screen = "0"
>               window.x11.display = ":0"
>               application.process.id = "2382"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "gnome-shell"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
> 
> Client #8
>       Driver: protocol-native.c
>       Owner Module: 12
>       Properties:
>               application.name = "GNOME Shell Volume Control"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.id = "org.gnome.VolumeControl"
>               application.icon_name = "multimedia-volume-control"
>               application.version = "3.18.3"
>               application.process.id = "2382"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "gnome-shell"
>               application.language = "en_US.UTF-8"
>               window.x11.display = ":0"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
> 
> Client #10
>       Driver: protocol-native.c
>       Owner Module: 12
>       Properties:
>               application.name = "Chrome input"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.process.id = "19258"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "chrome"
>               application.language = "en_US.UTF-8"
>               window.x11.display = ":0"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
> 
> Client #52
>       Driver: protocol-native.c
>       Owner Module: 12
>       Properties:
>               application.name = "GNOME Volume Control Dialog"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.id = "org.gnome.VolumeControl"
>               application.icon_name = "multimedia-volume-control"
>               application.version = "3.18.2"
>               application.process.id = "5312"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "gnome-control-center"
>               application.language = "en_US.UTF-8"
>               window.x11.display = ":0"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
> 
> Client #54
>       Driver: protocol-native.c
>       Owner Module: 12
>       Properties:
>               application.name = "pactl"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.process.id = "8686"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "pactl"
>               application.language = "en_US.UTF-8"
>               window.x11.display = ":0"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
> 
> Sample #0
>       Name: bell-window-system
>       Sample Specification: s16le 2ch 44100Hz
>       Channel Map: front-left,front-right
>       Volume: (invalid)
>               balance 0.00
>       Duration: 0.1s
>       Size: 24.0 KiB
>       Lazy: no
>       Filename: n/a
>       Properties:
>               media.role = "event"
>               application.process.id = "2799"
>               application.name = "gnome-terminal-server"
>               event.description = "Bell event"
>               event.id = "bell-window-system"
>               media.name = "bell-window-system"
>               media.filename = "/usr/share/sounds/freedesktop/stereo/bell.oga"
>               native-protocol.peer = "UNIX socket client"
>               native-protocol.version = "30"
>               application.id = "org.gnome.Shell"
>               application.icon_name = "start-here"
>               application.language = "en_US.UTF-8"
>               window.x11.screen = "0"
>               window.x11.display = ":0"
>               application.process.user = "ming"
>               application.process.host = "MiWiFi-R1CM-srv"
>               application.process.binary = "gnome-shell"
>               application.process.machine_id = 
> "59cbe5be7cf84e21b2bc419770103c2d"
>               application.process.session_id = "1"
> 
> Card #0
>       Name: alsa_card.pci-0000_00_03.0
>       Driver: module-alsa-card.c
>       Owner Module: 6
>       Properties:
>               alsa.card = "0"
>               alsa.card_name = "HDA Intel HDMI"
>               alsa.long_card_name = "HDA Intel HDMI at 0xee414000 irq 41"
>               alsa.driver_name = "snd_hda_intel"
>               device.bus_path = "pci-0000:00:03.0"
>               sysfs.path = "/devices/pci0000:00/0000:00:03.0/sound/card0"
>               device.bus = "pci"
>               device.vendor.id = "8086"
>               device.vendor.name = "Intel Corporation"
>               device.product.id = "0c0c"
>               device.product.name = "Xeon E3-1200 v3/4th Gen Core Processor 
> HD Audio
> Controller"
>               device.form_factor = "internal"
>               device.string = "0"
>               device.description = "Built-in Audio"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-pci"
>       Profiles:
>               output:hdmi-stereo: Digital Stereo (HDMI) Output (sinks: 1, 
> sources: 0,
> priority: 5400, available: yes)
>               output:hdmi-surround: Digital Surround 5.1 (HDMI) Output 
> (sinks: 1,
> sources: 0, priority: 300, available: yes)
>               output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output 
> (sinks: 1,
> sources: 0, priority: 300, available: yes)
>               output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output 
> (sinks: 1,
> sources: 0, priority: 5200, available: yes)
>               output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) 
> Output (sinks:
> 1, sources: 0, priority: 100, available: yes)
>               output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) 
> Output
> (sinks: 1, sources: 0, priority: 100, available: yes)
>               output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output 
> (sinks: 1,
> sources: 0, priority: 5200, available: yes)
>               output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) 
> Output (sinks:
> 1, sources: 0, priority: 100, available: yes)
>               output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) 
> Output
> (sinks: 1, sources: 0, priority: 100, available: yes)
>               off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
>       Active Profile: output:hdmi-stereo
>       Ports:
>               hdmi-output-0: HDMI / DisplayPort (priority: 5900, latency 
> offset: 0 usec,
> not available)
>                       Properties:
>                               device.icon_name = "video-display"
>                       Part of profile(s): output:hdmi-stereo, 
> output:hdmi-surround,
> output:hdmi-surround71
>               hdmi-output-1: HDMI / DisplayPort 2 (priority: 5800, latency 
> offset: 0
> usec, not available)
>                       Properties:
>                               device.icon_name = "video-display"
>                       Part of profile(s): output:hdmi-stereo-extra1,
> output:hdmi-surround-extra1, output:hdmi-surround71-extra1
>               hdmi-output-2: HDMI / DisplayPort 3 (priority: 5700, latency 
> offset: 0
> usec, not available)
>                       Properties:
>                               device.icon_name = "video-display"
>                       Part of profile(s): output:hdmi-stereo-extra2,
> output:hdmi-surround-extra2, output:hdmi-surround71-extra2
> 
> Card #1
>       Name: alsa_card.pci-0000_00_1b.0
>       Driver: module-alsa-card.c
>       Owner Module: 7
>       Properties:
>               alsa.card = "1"
>               alsa.card_name = "HDA Intel PCH"
>               alsa.long_card_name = "HDA Intel PCH at 0xee410000 irq 40"
>               alsa.driver_name = "snd_hda_intel"
>               device.bus_path = "pci-0000:00:1b.0"
>               sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card1"
>               device.bus = "pci"
>               device.vendor.id = "8086"
>               device.vendor.name = "Intel Corporation"
>               device.product.id = "8c20"
>               device.product.name = "8 Series/C220 Series Chipset High 
> Definition Audio
> Controller"
>               device.form_factor = "internal"
>               device.string = "1"
>               device.description = "Built-in Audio"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-pci"
>       Profiles:
>               input:analog-stereo: Analog Stereo Input (sinks: 0, sources: 1, 
> priority:
> 60, available: yes)
>               output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 
> 0,
> priority: 6000, available: yes)
>               output:analog-stereo+input:analog-stereo: Analog Stereo Duplex 
> (sinks: 1,
> sources: 1, priority: 6060, available: yes)
>               off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
>       Active Profile: output:analog-stereo+input:analog-stereo
>       Ports:
>               analog-input-mic: Microphone (priority: 8700, latency offset: 0 
> usec)
>                       Properties:
>                               device.icon_name = "audio-input-microphone"
>                       Part of profile(s): input:analog-stereo,
> output:analog-stereo+input:analog-stereo
>               analog-output-speaker: Speakers (priority: 10000, latency 
> offset: 0 usec)
>                       Properties:
>                               device.icon_name = "audio-speakers"
>                       Part of profile(s): output:analog-stereo,
> output:analog-stereo+input:analog-stereo
>               analog-output-headphones: Headphones (priority: 9000, latency 
> offset: 0
> usec, not available)
>                       Properties:
>                               device.icon_name = "audio-headphones"
>                       Part of profile(s): output:analog-stereo,
> output:analog-stereo+input:analog-stereo
> 
> Card #2
>       Name: alsa_card.usb-Audioengine_Audioengine_D3_Audioengine-00
>       Driver: module-alsa-card.c
>       Owner Module: 26
>       Properties:
>               alsa.card = "2"
>               alsa.card_name = "Audioengine D3"
>               alsa.long_card_name = "Audioengine Audioengine D3 at 
> usb-0000:00:14.0-3.4,
> full speed"
>               alsa.driver_name = "snd_usb_audio"
>               device.bus_path = "pci-0000:00:14.0-usb-0:3.4:1.0"
>               sysfs.path =
> "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3.4/1-3.4:1.0/sound/card2"
>               udev.id = "usb-Audioengine_Audioengine_D3_Audioengine-00"
>               device.bus = "usb"
>               device.vendor.id = "2912"
>               device.vendor.name = "Audioengine"
>               device.product.id = "120b"
>               device.product.name = "Audioengine D3"
>               device.serial = "Audioengine_Audioengine_D3_Audioengine"
>               device.string = "2"
>               device.description = "Audioengine D3"
>               module-udev-detect.discovered = "1"
>               device.icon_name = "audio-card-usb"
>       Profiles:
>               output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 
> 0,
> priority: 6000, available: yes)
>               off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
>       Active Profile: output:analog-stereo
>       Ports:
>               analog-output: Analog Output (priority: 9900, latency offset: 0 
> usec)
>                       Part of profile(s): output:analog-stereo

Sorry, missed one,
alsa-info(VLC, alsa aout, another):
http://www.alsa-project.org/db/?f=31d69484b3052e71860626c46ed16b804054dec6

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