Re: [fluid-dev] Dealing with startup

[Josh Green]

Hello Gerald,

On Tue, 2008-10-14 at 11:18 +0100, Edenyard wrote:
> I had the same problem when putting together a system using Fluid and 
> Jorgan and I devised a Bash script to make the necessary connections 
> after loading Fluid but before loading Jorgan. (I've shown the script 
> below between the lines of #####s).
> 
> However, although it works, it seems to cause another problem: it seems 
> to slow down the loading of my soundfont considerably. I wondered 
> whether that was something to do with the testing loop taking up too 
> many CPU cycles that should have been used on Fluidsynth's loading. I'm 
> not much of a programmer (as my script probably reveals) and I'm 
> somewhat stuck to know what the solution is. For now, I've resigned 
> myself to accepting the very l-o-n-g SF load time but it would be nice 
> to be able to speed it up a bit. For reference, the SF2 file is about 
> 275 Mb in size.
> 
> Any clues would be very gratefully received. I only just cope with Bash 
> scripts so I don't think that I could handle anything of a higher nature!
> 
> Cheers,
> Gerald
> 
> ##### Script to connect Fluidsynth once it's running ####
> 
> #!/bin/bash
> ###
> ### Connect Fluidsynth to VirMIDI.
> ### 7/9/2005.
> ###
> echo "Waiting for Fluidsynth . . ."
> while true
> do
>    aconnect -o | grep "Synth input port" > /dev/null
>    FINDFLUID=$?
>    if [ $FINDFLUID -eq 0 ]
>    then
>      echo "Fluidsynth running!"
>      break
>    fi

     sleep 0.2

> done
> echo "Connecting Fluidsynth to Virtual MIDI . . ."
> sleep 0.2
> aconnect "Virtual Raw MIDI 1-0":0 FLUID:0
> aconnect "Virtual Raw MIDI 1-1":0 FLUID:1
> aconnect "Virtual Raw MIDI 1-2":0 FLUID:2
> CONNECTFLUID=$?
> if  [ $CONNECTFLUID = 0 ]
> then
>    echo "Fluidsynth connected!"
> fi
> 
> 
> #########################################################
> 
> 

The first "while true" loop is essentially a busy loop, since it will be
executing acconect and checking its value as fast as it can.  Adding a
sleep inside of the loop (like I added above), should help things.
        Josh