Add delays, server quits unexpected with error code 0, hard to debug

flower · June 14, 2024, 6:43pm

I was fiddling with adding 8 delay synths from SuperDirt:

musikinformatik/SuperDirt/blob/develop/synths/core-synths-global.scd#L79


      
          	Each must have at least: dryBus, effectBus, gate
          
          	dryBus and effectBus have \ir as rates (they shouldn't change at runtime)
          
          	*/
          
          
          
          	if(\SwitchDelay.asClass.notNil) {
          
          		SynthDef("dirt_delay" ++ numChannels, { |dryBus, effectBus, gate = 1, delaytime, delayfeedback, delaySend = 1, delayAmp = 1, lock = 0, cps = 1|
          			var signal;
          			var input = In.ar(dryBus, numChannels);
          			var maxDelayTime = 4;
          
          			input = input * delaySend.lag(LFNoise1.kr(1).range(0.01, 0.02)); // regulate input
          
          			delayfeedback = delayfeedback.max(0);
          			delaytime = delaytime * if(lock, reciprocal(cps), 1);
          			delaytime = delaytime.clip(0, maxDelayTime); // just to be sure
          			// from sc3-plugins

The server did exit without a error message, with error code 0. No clue what was going on…

Tried another delay and I got a message about lack of realtime allocation, so I added two lines of the tidal startup file:

numBuffers = 1024 * 256;
memSize = 8192 * 32;

After setting those server options, the first Tidal delay worked fine.

The problem here is that the server quits like everything was fine (error code 0) without any clue given of what’s going wrong. Makes it impossible to debug. I was just lucky to get that error message with that other delay and that I knew about the options in the tidal startup.scd file.