1.10.0 - WASAPI Playback of a lot of HiRes music files doesn't work

Discussion in 'Archive' started by Helios61, January 28, 2015.

  1. Helios61
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    Helios61 Retired Team Member

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    MP 1.10.0

    @hwahrmann
    Hi!

    With MP 1.10.0 i've noticed some playback issues. Steps to reproduce ->

    1. Configure MP for music playback in WASAPI exclusive mode (5.1 channel)
    2. Start MP and playback of a HiRes Multich. audio file.
    3. Playback doesn't work ->

    Code (Text):
    1. [2015-01-28 23:02:50,291] [Error  ] [MPMain   ] [ERROR] - BASS: Couldn't init WASAPI device. Error: BASS_ERROR_UNKNOWN
    2. [2015-01-28 23:02:50,303] [Error  ] [MPMain   ] [ERROR] - BASS: Could not create Mixer. Aborting playback.
    3. [2015-01-28 23:02:50,311] [Error  ] [MPMain   ] [ERROR] - PlaylistPlayer: *** unable to play - \\SERVER-PC\Server Q\Musik\Klassik\London Symphony Orchestra, John Eliot Gardiner, Maria João Pires(2014) - Mendelssohn – Schumann (24 bit-192kHz - 5 Channel (Pure Audio))\08 - Mendelssohn · Symphony No 3 in A minor - IV..flac - skipping track!
    de-/ increasing the buffer size doesn't change anything.

    Best regards
    Helios


     
    Last edited: January 31, 2015
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  3. hwahrmann
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    interesting.
    this is a 5 Channels file, which needs upmixing to 6 channels with LFE set to silent.

    altough your device should support 24 bit, 192khz with 6 channels, i get the error.
    As it is a BASS_ERROR_UNKNOWN, it is a bit hard to find out what caused BASS to fail.

    can you try Unchecking the Upmix please?
     
  4. Helios61
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    Already done ->
    Code (Text):
    1. [2015-01-29 12:59:56,846] [Log    ] [MPMain   ] [INFO ] - BASS: Upmix 5.0-> 5.1 with LFE silent
    2.  
    Upmixing is already disabled.

    New logs attached, Testfile by PM.
     
    Last edited: January 29, 2015
  5. Helios61
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    Have tested a little bit more: It seems that multichannel files with sampling rate > 96khz doesn't work no longer.
     
  6. hwahrmann
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    But how and why?
    Nothing has been changed in that area. At least not by me.
    Do you know the last version where it worked?
     
  7. Helios61
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    Have tested with 1.9.0. There it was already broken. I think, i didn't have noticed this bug, because thiese files are very rare!
     
  8. hwahrmann
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    i guess i'll need to create a standalone sample and see if that happens there as well and then i shopuld talk to the BASS devs.
     
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  9. Helios61
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    @hwahrmann
    Have testet a little bit more and it seems, that decreasing the buffer size to 19 solves the issue.
     
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  10. hwahrmann
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    Cool. Thanks for testing.
     
  11. Crix1990
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    Crix1990 MP Donator

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    Big thanx for that!

    Clue:
    With Buffer 0,19 I've a few moments of whitenoise at the beginning of all my DTS-Wavs (5.1).
    0,40 works much better for me.

    Perhaps: Averyone has to find his own best.
     
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