[Bug 251125] audio/jack: update to jack2 or add new port audio/jack2

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251125

--- Comment #26 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
Hi,

I think the problem is that SNDCTL_DSP_SETFMT doesn't have the AFMT_STERO bit
set, and this forces the audio to 1-ch mono:

    if (ioctl(fInFD, SNDCTL_DSP_SETFMT, &fSampleFormat) == -1) {
        jack_error("JackOSSDriver::OpenInput failed to set format : %s@%i,
errno = %d", __FILE__, __LINE__, errno);
        goto error;
    }

Actually you should read the channels first, then SETFMT, then write channels.

--HPS

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