[linux-audio-dev] Best-performing Linux-friendly MIDI interfaces?

Jay Vaughan jayv at synth.net
Tue Jun 14 00:36:13 UTC 2005


>Maybe it will be possible to add an interface to ALSA so users
>can easily contribute card/computer specific mixer
>information. But still there will be some disadvantages:
>

look, just a lib.so or a class which is capable of parsing a 
/usr/src/linux/.config file, working out what the currently-installed 
kernel 'expects', and greps a /dev tree (or two) would be good enough 
for the average ALSA app.

look at all the apps.  they've all got useless, redundant code, 
opening an i/o channel, doing something to it, closing it.  grok all 
that, glue it into an ALSA helper-lib, give budding hackers a working 
tool to build, and away we go ..

>* Even if there were many and good user contributed mixer
>interfaces it will still be difficult for "normal" Desktop
>users to understand and use it.

if your standard is that 'the user should -absolutely- not have to 
have anything to do with this shit in order to treat audio like 
text', then you wouldn't be concerned about such things.  its some 
sort of beautiful irony, but it is irony.

>The signal flow in a
>soundcard still is a black boxed thing for common users. What
>does monitoring mean?

it means "let me listen to -this-", where '-this-' is either one or 
the sum of "n" audio sources existing in the system.  i would love 
for "n" to be the sum total of all audio-generating 
drivers+applications (alike) according to user preferences 
(determined by running actual apps, like normal), instead of there 
being a difference between 'audio driver' and 'audio application', 
but thats just me...

one thing i -loooooove- about MidiShare on Linux, for example, is the 
fact that it forces me to treat the MIDI i/o devices just like a MIDI 
i/o application .. i actually -like- that, MIDI hacker that i am. 
honest.

>Why does the CD slider not affect the
>volume of a CD I play via xmms? What the heck does PCM mean?

why shouldn't xmms just have its own audio volume slider?  i mean, 
'volume' is a paremeter just like 'kerning' is a parameter in a word 
processor.  the user can work that out, if its considered 'standard' 
that all audio-generating apps should have a volume control, like 
they have a 'minimize window' control ..

>Let's be honest: Let a "normal" desktop user look into the
>mixer panel on a WXP driven notebook. He will be disappointed
>as much as looking into todays alsamixer ;-) .

do not overlook the isolation that the 'normal' desktop user has for 
their application space.  a cubase user doesn't generally give a damn 
if windows lets him mix things from the windows audio control panel; 
cubase, after all, just gives him the feature.

ALSA has, traditionally, drawn lines in order to define boundaries 
worthy of pillage on either side.  sometimes however, such pillage 
ignores riches to be obtained 'on the other side' ...

-- 

;

Jay Vaughan




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