Pieter Palmers wrote:
> Users reported some problems with jackd + qjackctl
because it specified
> -i0 -o0 to the freebob backend by default. This caused
the backend to
> bail out because the meaning of these parameters was:
> -i0 disable capture
> -o0 disable playback
>
> This commit introduces the -P and -C parameters to
control the use of
> playback and/or capture. They act similar to their
counterparts in the
> ALSA backend. The -i and -o parameters are still
accepted to keep
> compatibility with the QJackCtl's out in the open, but
are simply ignored.
>
> To sync QJackCtl's setup dialog with the backend
> * the Duplex/Playback/Capture dropdown doesn't do
anything for freebob,
> but now it can
> * the Input Channels / Output channels fields can stay,
because that
> will be supported a future version, and -i and -o are
accepted. They can
> equally well be disabled to avoid confusion.
> * the input / output latency fields can be enabled too,
because these
> options are implemented too (in a previous commit)
> * the default periods/buffer should be 3 for
freebob-1.0, because that
> gives a more reliable operation.
>
> The new parameter list:
> Parameters for driver 'freebob' (all parameters are
optional):
> -d, --device The FireWire device to use.
Format is:
> 'hw:port[,node]'. (default: hw:0)
> -p, --period Frames per period (default:
1024)
> -n, --nperiods Number of periods of playback
latency (default: 3)
> -r, --rate Sample rate (default: 48000)
> -C, --capture Provide capture ports.
(default: 1)
> -P, --playback Provide playback ports.
(default: 1)
> -I, --input-latency Extra input latency
(frames) (default: 0)
> -O, --output-latency Extra output latency
(frames) (default: 0)
> -i, --inchannels Number of input
channels to provide
> (note: currently ignored) (default: 0)
> -o, --outchannels Number of output
channels to provide
> (note: currently ignored) (default: 0)
>
> As far as I am concerned, we can release now ;)
>
God damn, it still isn't correct. The -D (duplex) parameter
should be
added, and the behavior of -P and -C is different from the
ALSA equivalents.
Please bear with me while I fix this.
Pieter
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