Advanced Audio Distribution Profile
root@edison:~# rfkill unblock bluetooth
root@edison:~# bluetoothctl[bluetooth]# scan on
Discovery started
[CHG] Controller 98:4F:EE:04:21:2A Discovering: yes
[NEW] Device F1:C1:83:A4:17:0C Evolutel
[NEW] Device 58:51:00:00:41:4D BT MINI
[CHG] Device F1:C1:83:A4:17:0C RSSI: -83
[CHG] Device F1:C1:83:A4:17:0C RSSI: -73[bluetooth]# scan off
[CHG] Device 58:51:00:00:41:4D RSSI is nil
[CHG] Device F1:C1:83:A4:17:0C TxPower is nil
[CHG] Device F1:C1:83:A4:17:0C RSSI is nil
[CHG] Controller 98:4F:EE:04:21:2A Discovering: no
Discovery stopped[bluetooth]# pair 58:51:00:00:41:4D
Attempting to pair with 58:51:00:00:41:4D
[CHG] Device 58:51:00:00:41:4D Connected: yes
[CHG] Device 58:51:00:00:41:4D UUIDs: 00001108-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D UUIDs: 0000110b-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D UUIDs: 0000110e-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D UUIDs: 0000111e-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D Paired: yes
Pairing successful
[CHG] Device 58:51:00:00:41:4D Connected: no[bluetooth]# connect 58:51:00:00:41:4D
Attempting to connect to 58:51:00:00:41:4D
[CHG] Device 58:51:00:00:41:4D Connected: yes
Connection successful
[CHG] Device 58:51:00:00:41:4D UUIDs: 00001108-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D UUIDs: 0000110b-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D UUIDs: 0000110e-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D UUIDs: 0000111e-0000-1000-8000-00805f9b34fb
[CHG] Device 58:51:00:00:41:4D UUIDs: 0000111f-0000-1000-8000-00805f9b34fb[bluetooth]# info 58:51:00:00:41:4D
Device 58:51:00:00:41:4D
Name: BT MINI
Alias: BT MINI
Class: 0x240404
Icon: audio-card
Paired: yes
Trusted: no
Blocked: no
Connected: yes
LegacyPairing: no
UUID: Headset (00001108-0000-1000-8000-00805f9b34fb)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb)
UUID: Handsfree Audio Gateway (0000111f-0000-1000-8000-00805f9b34fb)
[bluetooth]#[BT MINI]# quit
[DEL] Controller 98:4F:EE:04:21:2A edison [default]root@edison:~# pactl list sinks
Sink #0
State: SUSPENDED
Name: alsa_output.platform-merr_dpcm_dummy.0.analog-stereo
Description: dummy-audio Analog Stereo
Driver: module-alsa-card.c
Sample Specification: s16le 2ch 48000Hz
Channel Map: front-left,front-right
Owner Module: 1
Mute: no
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100%$
balance 0.00
Base Volume: 65536 / 100% / 0.00 dB
Monitor Source: alsa_output.platform-merr_dpcm_dummy.0.analog-stereo.mo$
Latency: 0 usec, configured 0 usec
Flags: HARDWARE DECIBEL_VOLUME LATENCY
Properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = ""
alsa.id = "1"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "1"
alsa.card_name = "dummy-audio"
alsa.long_card_name = "dummy-audio"
device.bus_path = "platform-merr_dpcm_dummy.0"
sysfs.path = "/devices/platform/merr_dpcm_dummy.0/sound/card1"
device.string = "hw:1"
...
...
Sink #1
State: SUSPENDED
Name: alsa_output.0.analog-stereo
Description: Loopback Analog Stereo
Driver: module-alsa-card.c
Sample Specification: s16le 2ch 44100Hz
Channel Map: front-left,front-right
Owner Module: 2
Mute: no
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100%$
Base Volume: 65536 / 100% / 0.00 dB
Monitor Source: alsa_output.0.analog-stereo.monitor
Latency: 0 usec, configured 0 usec
Flags: HARDWARE 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 = "Loopback PCM"
alsa.id = "Loopback PCM"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "Loopback"
alsa.long_card_name = "Loopback 1"
device.bus_path = "/devices/virtual/sound/card0"
...
...
Sink #2
State: SUSPENDED
Name: bluez_sink.58_51_00_00_41_4D
Description: BT MINI
Driver: module-bluez5-device.c
Sample Specification: s16le 2ch 44100Hz
Channel Map: front-left,front-right
Owner Module: 13
Mute: no
Volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100%$
balance 0.00
Base Volume: 65536 / 100% / 0.00 dB
Monitor Source: bluez_sink.58_51_00_00_41_4D.monitor
Latency: 0 usec, configured 0 usec
Flags: HARDWARE DECIBEL_VOLUME LATENCY
Properties:
bluetooth.protocol = "a2dp_sink"
device.description = "BT MINI"
device.string = "58:51:00:00:41:4D"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "headset"root@edison:~# pactl list sinks | grep "Name:"
Name: alsa_output.platform-merr_dpcm_dummy.0.analog-stereo
Name: alsa_output.0.analog-stereo
Name: bluez_sink.58_51_00_00_41_4D
root@edison:~#root@edison:~# pactl set-default-sink bluez_sink.58_51_00_00_41_4Droot@edison:~# gst-launch-1.0 audiotestsrc ! audioconvert ! audioresample ! pulsesinkroot@edison:~# wget http://www.wavsource.com/snds_2016-10-09_1797402624934163/animals/bear_growl_y.wavroot@edison:~# gst-launch-1.0 filesrc location=bear_growl_y.wav ! wavparse ! pulsesink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstPulseSinkClock
Got EOS from element "pipeline0".
Execution ended after 0:00:04.593866303
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
root@edison:~#root@edison:~# gst-launch-1.0 filesrc location=bear_growl_y.wav ! decodebin ! audioconvert ! audioresample ! pulsesinkroot@edison:~# gst-launch-1.0 filesrc location=bear_growl_y.wav ! decodebin ! pulsesinkroot@edison:~# bluetoothctl
[NEW] Controller 98:4F:EE:04:21:2A edison [default]
[NEW] Device 58:51:00:00:41:4D BT MINI
[bluetooth]#[bluetooth]# paired-devices
Device 58:51:00:00:41:4D BT MINI[bluetooth]# remove 58:51:00:00:41:4D
[bluetooth]# paired-devices
Device 58:51:00:00:41:4D BT MINI
Device has been removed
[CHG] Device 58:51:00:00:41:4D Connected: no
[DEL] Device 58:51:00:00:41:4D BT MINI
[bluetooth]# paired-devices
[bluetooth]#Last updated