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Author Topic: Picore i2s 192khz/24bit  (Read 1497 times)

Offline Maurits

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Picore i2s 192khz/24bit
« on: April 24, 2016, 01:51:31 AM »
Hi,

I'm having some problems with playback of 192khz/24bit flac files on my Pi. The setup is like this:
- Pi2
- Picoreplayer v2.1, music stored on Synology NAS running LMS
- I2S module for audio playback (this is the one)

The problem is simple, there is no playback. The files are indexed and can be played in the player, but there is no audio playback.

I've checked the Picoreplayer log files, no errors there. But i've noticed that there is a difference. The log shows playback of a 16bit file like this:
Code: [Select]
[10:51:53.679542] stream_thread:180 headers: len: 118
HTTP/1.1 200 OK
Server: Logitech Media Server (7.7.6 - 1452060463)
Connection: close
Content-Type: audio/x-flac

[10:51:53.743369] write_cb:116 setting track_start
[10:51:53.759932] _output_frames:62 start buffer frames: 61440
[10:51:53.760056] _output_frames:147 track start sample rate: 192000 replay_gain: 0
[10:51:55.300872] decode_flush:193 decode flush
[10:51:55.300978] output_flush:424 flush output buffer
[10:51:55.378201] codec_open:221 codec open: 'f'
[10:51:55.378401] stream_sock:393 connecting to 192.168.2.200:9002
[10:51:55.379151] stream_sock:422 header: GET /stream.mp3?player=b8:27:eb:e1:9a:cc HTTP/1.0

 But playback of a 24bit/192khz file shows only this logoutput:
Code: [Select]
[10:51:55.414401] stream_thread:180 headers: len: 118
HTTP/1.1 200 OK
Server: Logitech Media Server (7.7.6 - 1452060463)
Connection: close
Content-Type: audio/x-flac

[10:51:55.488442] write_cb:116 setting track_start
[10:51:55.499678] _output_frames:62 start buffer frames: 40960
[10:51:55.499789] _output_frames:147 track start sample rate: 192000 replay_gain: 0
It seems that at some point the playbackproces stops. But why?

I've changed the ALSA settings in the Picore webinterface, but no settings i've tried had any noticeable effect. It now is set to 8000::24::

Can someone help me out?

Offline Maurits

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Re: Picore i2s 192khz/24bit
« Reply #1 on: May 06, 2016, 09:51:54 PM »
one up

Offline bmarkus

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Re: Picore i2s 192khz/24bit
« Reply #2 on: May 06, 2016, 10:27:04 PM »
For picoreplayer support visit picoreplayer web site.
Béla
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"Amateur Radio: The First Technology-Based Social Network."