Dear all,
I'm using: bluez 4.101, ofono 1.9 and pulseaudio 3.0 on an embedded imx23.
My system work fine connecting to a andoid or ios smartphone in a2dp sink
and I can play tracks
without any kinds of problem.
Module module-bluetooth-policy automatically select : right BT profile and
right source/sink module-loopback:
# pactl list short
0 module-device-restore
1 module-stream-restore
2 module-card-restore
3 module-augment-properties
4 module-alsa-sink device=hw:0,0
5 module-alsa-source device=hw:0,0
6 module-udev-detect
7 module-bluetooth-discover
8 module-esound-protocol-unix
9 module-native-protocol-unix
10 module-default-device-restore
11 module-rescue-streams
12 module-always-sink
13 module-intended-roles
14 module-role-cork
15 module-dbus-protocol
16 module-switch-on-port-available
17 module-bluetooth-device address="50:EA:D6:3B:76:5D"
path="/org/bluez/619/hci0/dev_50_EA_D6"
18 module-bluetooth-policy
19 module-loopback source="bluez_source.50_EA_D6_3B_76_5D"
source_dont_move="true" sink_input"
0 alsa_output.hw_0_0 module-alsa-sink.c s16le 2ch 44100Hz
RUNNING
0 alsa_output.hw_0_0.monitor module-alsa-sink.c s16le 2ch
44100Hz IDLE
1 alsa_input.hw_0_0 module-alsa-source.c s16le 2ch 44100Hz
IDLE
4 bluez_source.50_EA_D6_3B_76_5D module-bluetooth-device.c
s16le 2ch 44100Hz RUG
0 0 - module-loopback.c s16le 2ch 44049Hz
0 4 - module-loopback.c s16le 2ch 44100Hz
5 protocol-native.c pactl
0 bluez_card.50_EA_D6_3B_76_5D module-bluetooth-device.c
When try to change to hfgw profile making a phone call from smartphone,
module-bluetooth-policy change right to new profile but fail
to set correct loopback sources/sinks:
0 module-device-restore
1 module-stream-restore
2 module-card-restore
3 module-augment-properties
4 module-alsa-sink device=hw:0,0
5 module-alsa-source device=hw:0,0
6 module-udev-detect
7 module-bluetooth-discover
8 module-esound-protocol-unix
9 module-native-protocol-unix
10 module-default-device-restore
11 module-rescue-streams
12 module-always-sink
13 module-intended-roles
14 module-role-cork
15 module-dbus-protocol
16 module-switch-on-port-available
17 module-bluetooth-device address="50:EA:D6:3B:76:5D"
path="/org/bluez/619/hci0/dev_50_EA_D6"
18 module-bluetooth-policy
20 module-loopback sink="bluez_sink.50_EA_D6_3B_76_5D"
sink_dont_move="true" source_output_pr"
21 module-loopback source="bluez_source.50_EA_D6_3B_76_5D"
source_dont_move="true" sink_input"
0 alsa_output.hw_0_0 module-alsa-sink.c s16le 2ch 44100Hz
IDLE
2 bluez_sink.50_EA_D6_3B_76_5D module-bluetooth-device.c
s16le 1ch 8000Hz RUG
0 alsa_output.hw_0_0.monitor module-alsa-sink.c s16le 2ch
44100Hz IDLE
1 alsa_input.hw_0_0 module-alsa-source.c s16le 2ch 48000Hz
SUSPENDED
5 bluez_sink.50_EA_D6_3B_76_5D.monitor module-bluetooth-device.c
s16le 1ch 8000Hz E
6 bluez_source.50_EA_D6_3B_76_5D module-bluetooth-device.c
s16le 1ch 8000Hz RUG
1 2 - module-loopback.c s16le 1ch 8000Hz
2 2 - module-loopback.c s16le 1ch 8000Hz
1 1 - module-loopback.c s16le 1ch 8000Hz
2 6 - module-loopback.c s16le 1ch 8000Hz
6 protocol-native.c pactl
0 bluez_card.50_EA_D6_3B_76_5D module-bluetooth-device.c
I suppose that right Source/Sinks must be: 6 (BT source) 0 (alsa sink)
for first loopback and 1 (alsa input source) 5 ( BT sink) for second
loopback
Is my assumption correct ?
Setting by hand (pactl load-module module-llopback source=.... sink=.... )
the two loopbacks, I'm able to hear scratch on my embedded headsphone but
not right phone call.
I noticed that in this way not right bitrate is set for BT source/alsa
sink: it is set to 44100Hz instead of 8000Hz .
Can you help me to fix these behaviors
Best regards
Paolo
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