bpa wrote:
> Use the tool "alsacap" to check the difference in playback capabilities
> between the "iec958:CARD=A,DEV=0" device and the "hw:CARD=A,DEV=0"
>
> Rate issues are usually because Squeezelite reports back to LMS that
> device is native capable of the playing various output rates - it would
> be good to see what ALSA reports for the iec device and the hw device.
>
> alternative to alsacap would be to use command below but you have to
> CTRL/C to stop it "playing". Dewvice being tested is after "-D".
> >
Code:
--------------------
> >
> aplay -v --dump-hw-params -D iec958:CARD=A,DEV=0 -f cd /dev/zero
>
--------------------
> >
>
> I don't know PCP but in general you should also check out the
> "default" device in case system sounds are being routed out through
> the "CARD=A" DAC.
>
> To check if there is a "hidden" or non standard control for the DAC -
> use the amixer command scontent to show controls and their contents.
> The card being checked is after the "-c" option - example shows for
> "CARD=A"
> >
Code:
--------------------
> >
> amixer -c A scontents
>
--------------------
> >
I think *@Smitty2K1* is Stateside :confused:
This is /usr/local/bin/squeezelite -n "piCorePlayer" -o
iec958:CARD=A,DEV=0 -a 80:4::0: which plays fine for me :)
Code:
--------------------
tc@pCP:~$ alsacap
*** Scanning for playback devices ***
Card 0, ID `b1', name `bcm2835 HDMI 1'
Device 0, ID `bcm2835 HDMI 1', name `bcm2835 HDMI 1', 4 subdevices (4
available)
1..8 channels, sampling rate 8000..192000 Hz
Sample formats: U8, S16_LE
Buffer size range from 80 to 131072
Period size range from 80 to 131072
Subdevice 0, name `subdevice #0'
Subdevice 1, name `subdevice #1'
Subdevice 2, name `subdevice #2'
Subdevice 3, name `subdevice #3'
Card 1, ID `Headphones', name `bcm2835 Headphones'
Device 0, ID `bcm2835 Headphones', name `bcm2835 Headphones', 4 subdevices (4
available)
1..8 channels, sampling rate 8000..192000 Hz
Sample formats: U8, S16_LE
Buffer size range from 80 to 131072
Period size range from 80 to 131072
Subdevice 0, name `subdevice #0'
Subdevice 1, name `subdevice #1'
Subdevice 2, name `subdevice #2'
Subdevice 3, name `subdevice #3'
Card 2, ID `A', name `USB-C to 3.5mm Headphone Jack A'
Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)
2 channels, sampling rate 48000..48000 Hz
Sample formats: S16_LE, S24_3LE
Buffer size range from 96 to 262144
Period size range from 48 to 131072
Subdevice 0, name `subdevice #0'
tc@pCP:~$
--------------------
Code:
--------------------
tc@pCP:~$ amixer -c A scontents
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 120
Mono:
Front Left: Playback 120 [100%] [0.00dB] [on]
Front Right: Playback 120 [100%] [0.00dB] [on]
tc@pCP:~$
--------------------
change to /usr/local/bin/squeezelite -n "piCorePlayer" -o
hw:CARD=A,DEV=0 -a 80:4::0:
Code:
--------------------
tc@pCP:~$ alsacap
*** Scanning for playback devices ***
Card 0, ID `b1', name `bcm2835 HDMI 1'
Device 0, ID `bcm2835 HDMI 1', name `bcm2835 HDMI 1', 4 subdevices (4
available)
1..8 channels, sampling rate 8000..192000 Hz
Sample formats: U8, S16_LE
Buffer size range from 80 to 131072
Period size range from 80 to 131072
Subdevice 0, name `subdevice #0'
Subdevice 1, name `subdevice #1'
Subdevice 2, name `subdevice #2'
Subdevice 3, name `subdevice #3'
Card 1, ID `Headphones', name `bcm2835 Headphones'
Device 0, ID `bcm2835 Headphones', name `bcm2835 Headphones', 4 subdevices (4
available)
1..8 channels, sampling rate 8000..192000 Hz
Sample formats: U8, S16_LE
Buffer size range from 80 to 131072
Period size range from 80 to 131072
Subdevice 0, name `subdevice #0'
Subdevice 1, name `subdevice #1'
Subdevice 2, name `subdevice #2'
Subdevice 3, name `subdevice #3'
Card 2, ID `A', name `USB-C to 3.5mm Headphone Jack A'
Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)
2 channels, sampling rate 48000..48000 Hz
Sample formats: S16_LE, S24_3LE
Buffer size range from 96 to 262144
Period size range from 48 to 131072
Subdevice 0, name `subdevice #0'
tc@pCP:~$
--------------------
Code:
--------------------
tc@pCP:~$ amixer -c A scontents
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 120
Mono:
Front Left: Playback 120 [100%] [0.00dB] [on]
Front Right: Playback 120 [100%] [0.00dB] [on]
tc@pCP:~$
--------------------
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