Has anyone ever tried to tame mixxx's engine? its a different beast altogether ;)
There is a design based drawback of my last approach, let me explain by starting from what I was trying to do. Its simple, I set the distance traveled by mouse as rate using scratch2 CO but before I do this I check if engine has yet synced (ControlObject::sync()) last value I have set. This check calls for 3 cases: 1. Engine has synced exactly once -> great, this is what I want. 2. Engine has not synced yet -> add the last value of distance to current value then set 3. Engine has synced more than once -> last set value has been used more than once, so subtract the product of last value and one less than number of times engine has synced from the present value and set this new resultant value. The design problem is in case 3. Just imagine what will happen to sound output. Engine has first played the audio few seconds more than needed and then I try to bring waveform one on one with mouse by playing those extra few seconds in reverse. Crap! So here is a *new* approach: Set the new rate only after engine has synced last value. To do this, I have started a thread which checks if engine has yet synced. If yes, shoot a signal that will tell a slot in WGLWaveformViewer to calculate new distance and set it. Cool, at first sight it looks as of this is should work. :-) I have already implemented this approach, This approach has a design flaw again - sometimes engine is so fast that before the slot in WGLWaveformViewer sets a new value, engine has already synced again. That means my last set value has been used more than once! Now I need some help. In a nutshell this is what is to be done "Set the new rate only after engine has synced last value." Any idea guys? Any random idea how this can be done. Random ideas might help me to make up something that may work.
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