[pulseaudio-discuss] pulseaudio (V5) incorrect rate detection on usb sound card with raspberry
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listas.correo at yahoo.es
Thu Oct 30 04:12:33 PDT 2014
> To debug the issue, I need the output of these two commands:
>
> aplay -vv -d 1 -f cd -D hw:0 /dev/zero
>
> aplay -vv -d 1 -f cd -D front:0 /dev/zero
I'm sorry, here they are:
root at rpi:~# aplay -vv -d 1 -f cd -D hw:0 /dev/zero
Playing raw data '/dev/zero' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
Hardware PCM card 0 'USB Audio CODEC' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 22050
period_size : 5513
period_time : 125011
tstamp_mode : NONE
period_step : 1
avail_min : 5513
period_event : 0
start_threshold : 22050
stop_threshold : 22050
silence_threshold: 0
silence_size : 0
boundary : 1445068800
appl_ptr : 0
hw_ptr : 0
#+ | 00%
root at rpi:~#
root at rpi:~# aplay -vv -d 1 -f cd -D front:0 /dev/zero
Playing raw data '/dev/zero' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
Plug PCM: Rate conversion PCM (48000, sformat=S16_LE)
Converter: libspeex (builtin)
Protocol version: 10002
Its setup is:
stream : PLAYBACK
access : RW_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 44100
exact rate : 44100 (44100/1)
msbits : 16
buffer_size : 15052
period_size : 940
period_time : 21333
tstamp_mode : NONE
period_step : 1
avail_min : 940
period_event : 0
start_threshold : 15052
stop_threshold : 15052
silence_threshold: 0
silence_size : 0
boundary : 986447872
Slave: Direct Stream Mixing PCM
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 1024
period_time : 21333
tstamp_mode : NONE
period_step : 1
avail_min : 1024
period_event : 0
start_threshold : 16384
stop_threshold : 16384
silence_threshold: 0
silence_size : 0
boundary : 1073741824
Hardware PCM card 0 'USB Audio CODEC' device 0 subdevice 0
Its setup is:
stream : PLAYBACK
access : MMAP_INTERLEAVED
format : S16_LE
subformat : STD
channels : 2
rate : 48000
exact rate : 48000 (48000/1)
msbits : 16
buffer_size : 16384
period_size : 1024
period_time : 21333
tstamp_mode : ENABLE
period_step : 1
avail_min : 1024
period_event : 0
start_threshold : 1
stop_threshold : 1073741824
silence_threshold: 0
silence_size : 1073741824
boundary : 1073741824
appl_ptr : 0
hw_ptr : 0
#+ | 00%
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