Alright. I'll get started then.
I'll have questions though.
@Vesa are you the one to ask when it comes to synth dev?
On Fri, Aug 22, 2014 at 7:45 AM, Vesa <dii....@nbl.fi> wrote:
> On 08/22/2014 04:30 PM, Ian Sannar wrote:
>
> Alright. So I think I'd like to try and write a port for LMMS. What are
> the steps to this?
> I know C# and C++ really isn't that much different.
>
>
> Eh...
>
> Just a heads up... actually, C++ is completely different from C# - it
> follows a fundamentally different paradigm in almost every aspect. Yes, the
> syntax is similar, but that's the least important part of a language...
>
> I'm not saying it's impossible or hard to move from C# to C++, just that
> you'll have to completely change the way you think - especially when you
> have to consider things like RT and thread-safety.
>
> I've never worked on LMMS code.
>
>
> Take a look at some existing synth such as BitInvader, see how it's built,
> then adapt it to your needs.
>
> Note also that most LMMS synths work very differently from VSTi's. Most
> LMMS synths work by rendering each note separately in their own buffers,
> with each note getting rendered in its own thread.
>
> Also, do take note of what I said before:
>
>
>
> > Osc 2 is generated dynamically. A knob controls the wavetable
>>>>>> position.
>>>>>> >
>>>>>> > This psuedo-code generates Osc 2.
>>>>>> >
>>>>>> > float[] GenerateOsc2(int wavetableQuality, int sampleRate, float
>>>>>> mouth)
>>>>>> > {
>>>>>> > step = 1.0 / sampleRate;
>>>>>> > wavetable = new float[wavetableQuality];
>>>>>> > for (int i = 0; i < 1; i += step)
>>>>>> > {
>>>>>> > position = 1 - i;
>>>>>> > ampEnv = (float)(1 / Math.Pow(position, 2));
>>>>>> > wavetable[i * SampleRate] = -(float)Math.Sin((position *
>>>>>> > Math.PI * (2 * mouth))) / ampEnv;
>>>>>> > }
>>>>>> > return wavetable;
>>>>>> > }
>>>>>>
>>>>>> *If this is only called once when the synth is initialized, then
>>>>>> it's*
>>>>>> * probably fine. Otherwise there will be problems...*
>>>>>>
>>>>>
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