First of all, thanks a lot for this wonderful piece of software, which
really integrates well in my home entertainment system. I hooked the
raspberry pi up to a Denon AVR which is capable of understanding sample
rates up to 192 khz.
Unfortunately, PiCorePlayer seems to deliver only up to 48 khz, even
when higher sample rates are played. To isolate the issue I just tried
playing a wav file converted from a 96khz flac file via aplay:
Code:
--------------------
Playing WAVE '01 - Chan Chan.wav' : Signed 24 bit Little Endian in 3bytes,
Rate 96000 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 : S24_3LE
subformat : STD
channels : 2
rate : 96000
exact rate : 96000 (96000/1)
msbits : 24
buffer_size : 24000
period_size : 12000
period_time : 125000
tstamp_mode : NONE
period_step : 1
avail_min : 12000
period_event : 0
start_threshold : 24000
stop_threshold : 24000
silence_threshold: 0
silence_size : 0
boundary : 1572864000
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 : 12000
period_size : 6000
period_time : 125000
tstamp_mode : NONE
period_step : 1
avail_min : 6000
period_event : 0
start_threshold : 12000
stop_threshold : 12000
silence_threshold: 0
silence_size : 0
boundary : 1572864000
Hardware PCM card 0 'bcm2835 ALSA' 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 : 6000
period_time : 125000
tstamp_mode : ENABLE
period_step : 1
avail_min : 6000
period_event : 0
start_threshold : 1
stop_threshold : 1073741824
silence_threshold: 0
silence_size : 1073741824
boundary : 1073741824
appl_ptr : 0
hw_ptr : 0
--------------------
So, the file is re-sampled with 48 khz which brings me to the conclusion
that the system thinks the sound driver cannot handle higher rates.
Is there a way to "force" higher rates?
I'm using PiCorePlayer 1.12d.
Thanks a lot for your help, highly appreciated! :o
------------------------------------------------------------------------
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View this thread: http://forums.slimdevices.com/showthread.php?t=97803
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