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Directsound Slaving info question

Discussion in 'Windows XP' started by Jason, Jun 10, 2010.

  1. Jason

    Jason Flightless Bird

    I am developing an analog capture filter driver. There was an AV sync issue
    after the long time live source playback (>2 hr). The audio pin always queue
    few buffers after long time playback. I have checked the video and audio PTS
    with each media transfer sample, they look like no problem.

    I have a question with Default Directsound Device filter. There is
    information in Default Directsound Device Properties->Advanced->Slaving
    Info->Rate. The "Rate"Â should be 48KHz with my device, but it will be changed
    with the "High Err"Â and "Low Err"Â parameters. Could I set any parameter to
    change the "High Err"Â or "Low Err"Â value in audio output pin of analog
    capture
    filter?
     

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