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Intermittent playback problem for DSD files

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curtisls87:
I'm running MC 22 for ARM on a Raspberry Pi. I have an iFi Nano connected as the DAC. It has worked very well for me for months. Recently, when I try to play a DSD file (any kind, DFF, DSF, ISO), I intermittently get an error, "There is a problem with playback..." Nothing's changed in my setup, and I've tried rebooting the Pi, and I still get this message. It's odd, because if I click Play on a DSD file a few times, at some point, it will work again.

Any suggestions are appreciated.

bob:

--- Quote from: curtisls87 on June 24, 2017, 03:54:07 pm ---I'm running MC 22 for ARM on a Raspberry Pi. I have an iFi Nano connected as the DAC. It has worked very well for me for months. Recently, when I try to play a DSD file (any kind, DFF, DSF, ISO), I intermittently get an error, "There is a problem with playback..." Nothing's changed in my setup, and I've tried rebooting the Pi, and I still get this message. It's odd, because if I click Play on a DSD file a few times, at some point, it will work again.

Any suggestions are appreciated.

--- End quote ---
It would be nice to know what changed.
Version of MC, OS updates, etc.
You could try the following:
Go to a terminal prompt as the user running MC.
do
/usr/lib/jriver/Media\ Center\ 22/alsacap
in the resulting output look for your iFi and see what formats it supports. It will look something like this:

--- Code: ---Card 1, ID `PCH', name `HDA Intel PCH'
  Device 0, ID `ALC892 Analog', name `ALC892 Analog', 1 subdevices (1 available)
    2..8 channels, sampling rates 44100, 48000, 96000, 192000 Hz
    Sample formats: S16_LE, S32_LE

--- End code ---
Under sample formats, if there isn't a S32_LE choose the next best format (generally indicated by the number of bits) and in MC
Tools->Options->Audio->Device Settings
Change it from Auto to the specific format.
Report back!

curtisls87:
Thanks for the reply. I really appreciate it. However, I'm not sure I gave enough information the first time around.

First I will provide the info you requested. Alsacap shows that the USB audio device has the sample format S32_LE. (see screen cap attached).
 MC 22.0.108
Raspian "Jessie"

 The iFi Nano has the capability to do DoP in 2.8MHz and 5.6MHz. The combination of MC22, Raspberry Pi and iFi Nano has for months been playing DSD files without any problems. When looking at Tools => DSP Options. Per the second screenshot, it shows "Source: DoP 2.8 MHz 1bit 2ch." You can also see that I'm actually playing a DSD file at the time of this screen capture, so it works.

However, intermittently, I have to click several times on a DSD file to get it to play. I will initially get a "Something went wrong with playback..." dialog box until one of the clicks starts the song playing. Then it will play the entire album in DSD without a problem.

This has left me scratching my head.  :)

bob:
Where are the files stored?

curtisls87:
They are stored on a firewire drive connected to a Mac Mini that is running MC Server mode. The Pi is a client across my network. I will note that no other files give me a problem with this arrangement (meaning 24/192, 24/96, etc).

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