[Ardour-Dev] Recording may channels at once

[Kjetil S. Matheussen]

On Wed, 9 Jul 2008, Sampo Savolainen wrote:

> On Wed, 2008-07-09 at 20:40 +0200, Kjetil S. Matheussen wrote:
>> On Wed, 9 Jul 2008, Sampo Savolainen wrote:
>>> Ardour does have extra 128 ports (if mono-mono trakcs), or 256 ports (if
>>> mono-stereo tracks) compared to jack_capture.
>>>
>>
>> I'm not quite sure what you mean. Are these tracks allways there, or
>> did you mean 64 ports / 128 ports?
>>
>> I used 16 8 channel tracks. The
>> results would probably be much worse with 64 or 128 tracks.
>
> I guess the question is what are you doing with the 8 tracks. The
> default 8 track channel has only two outputs. So it would mean only 32
> extra ports (compared to jack_capture).
>
> Many might want to use 8 channel tracks with 8 separate outputs for each
> track. This would mean a lot more outputs.
>
> You can use jack_lsp to check the amount.
>

Aha. Well, this should only matter if I run out of CPU though.
I'll check the CPU too at next benchmark.


>> Yes, those parameters are correct. Where did you read that
>> -B defines the amount of seconds you are recording?
>
> See the third line of the usage:
>
> v2 at mustis:~/dev/audio/jack_capture-0.9.16$ ./jack_capture --help
> Usage: jack_capture  [--bitdepth n] [--bufsize seconds] [--channels n]
> [--port port] [filename]
>                     [ -b n]        [ -B seconds]       [ -c n]
> [ -p port]
> ...
> ...
> ..
>
> If it doesn't stand for seconds, what does it mean? --bufsize?
>

I don't understand why you would want to interpret the above text to be 
that "-B" is the recording length. Are you using a terminal
with a non-fixed size font?