Ejemplo n.º 1
0
        public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
        {
            scalarToArray(0.0F, data);
            for (int j = 0; j < inputs.Length; j++)
            {
                inputs[j].ProcessAudio(audioData, this, sampleNum, channels);
                if (gains.Length > j)
                {
                    if (gains[j] != null)
                    {
                        gains[j].ProcessAudio(amplitudeData, this, sampleNum, channels);
                    }
                    else
                    {
                        scalarToArray(1.0F, amplitudeData);
                    }
                }
                else
                {
                    scalarToArray(1.0F, amplitudeData);
                }
                for (int i = 0; i < data.Length; i++)
                {
                    data[i] += amplitudeData[i] * audioData[i];
                }
            }

            return;
        }
Ejemplo n.º 2
0
 public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
 {
     if (input != null)
     {
         input.ProcessAudio(data, this, sampleNum, channels);
     }
     if (frqInput != null)
     {
         frqInput.ProcessAudio(frqData, this, sampleNum, channels);
     }
     if (pwInput != null)
     {
         pwInput.ProcessAudio(pwData, this, sampleNum, channels);
     }
     if (ampInput != null)
     {
         ampInput.ProcessAudio(ampData, this, sampleNum, channels);
     }
     for (int i = 0; i < data.Length; i++)
     {
         var frq    = frqInput != null ? (frequency + frqData[i]) : frequency;
         var pw     = pwInput != null ? (pulseWidth + pwData[i]) : pulseWidth;
         var amp    = ampInput != null ? (amplitude + ampData[i]) : amplitude;
         var output = calcWave(frq, pw);
         output  = (output * amp) + ampOffset;
         data[i] = (float)output;
     }
     return;
 }
Ejemplo n.º 3
0
 public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
 {
     // input streams?
     if (frqInput != null)
     {
         frqInput.ProcessAudio(frqData, this, sampleNum, channels);
     }
     if (pwInput != null)
     {
         pwInput.ProcessAudio(pwData, this, sampleNum, channels);
     }
     // output stream
     for (int i = 0; i < data.Length; i += channels)
     {
         float frq = (frqInput ? frqData[i] : 220.0F) * (float)frqOffset;  // this is frqInput
         float pw  = pwData[i];
         data[i] = (waveForm == WAVEFORM.PULSE)
             ? calcPulse(frq, pwInput ? pwData[i] : 0.5)
             : (waveForm == WAVEFORM.SAW)
                 ? calcSaw(frq)
                 : calcSin(frq);
         data[i] *= (float)gain;
         for (int j = 1; j < channels; j++)
         {
             data[i + j] = data[i]; // i.e. mono
         }
     }
     return;
 }
Ejemplo n.º 4
0
 public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
 {
     // input streams
     if (audioInput != null)
     {
         audioInput.ProcessAudio(audioData, this, sampleNum, channels);
     }
     else
     {
         scalarToArray(0.0F, audioData);
     }
     if (gateInput != null)
     {
         gateInput.ProcessAudio(gateData, this, sampleNum, channels);
     }
     else
     {
         scalarToArray(0.0F, gateData);
     }
     // output stream
     for (int i = 0; i < data.Length; i += channels)
     {
         var g = (float)processSample((float)gateData[i]);
         for (int j = 0; j < channels; j++)
         {
             data[i + j] = audioData[i + j] * g;
         }
     }
     return;
 }
Ejemplo n.º 5
0
        public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
        {
            if (cutoffInput != null)
            {
                cutoffInput.ProcessAudio(cutoffData, this, sampleNum, channels);
            }
            if (input == null)
            {
                throw new Exception("Must define an AudioInput");
            }
            input.ProcessAudio(data, this, sampleNum, channels);

            for (int i = 0; i < data.Length; i++)
            {
                var cutFrq = cutoffInput == null ? cutoff : (double)cutoffData[i] + cutoff;
                if (oldCutFrq != cutFrq || oldRes != resonance)
                {
                    cutFrq    = cutFrq < 0.0 ? 0.0 : cutFrq;
                    oldCutFrq = cutFrq;
                    oldRes    = resonance;
                    g         = Math.Tan(3.141592 * (cutFrq / SampleRate));
                    k         = 2.0 - (2.0 * resonance);
                    a1        = (1.0 / (1.0 + (g * (g + k))));
                    a2        = g * a1;
                }
                v1    = (a1 * ic1eq) + (a2 * (data[i] - ic2eq));
                v2    = ic2eq + (g * v1);
                ic1eq = (2.0 * v1) - ic1eq;
                ic2eq = (2.0 * v2) - ic2eq;
                switch (filterType)
                {
                case FilterType.LOW: { data[i] = (float)v2; break; }

                case FilterType.BAND: { data[i] = (float)v1; break; }

                case FilterType.HIGH: {
                    data[i] = (float)((data[i] - (k * v1)) - v2);
                    break;
                }

                case FilterType.NOTCH: {
                    data[i] = (float)(data[i] - (k * v1));
                    break;
                }

                case FilterType.PEAK: {
                    data[i] = (float)((data[i] - (k * v1)) - (2.0 * v2));
                    break;
                }

                case FilterType.ALLPASS: {
                    data[i] = (float)(data[i] - (2.0 * k * v1));
                    break;
                }
                }
            }
            return;
        }
Ejemplo n.º 6
0
        void Start()
        {
            int buflength, numbufs;

            AudioSettings.GetDSPBufferSize(out buflength, out numbufs);
            var channels = AudioUnit.speakerModeToChannels(AudioSettings.speakerMode);

            ampData = new float[buflength * channels];
        }
Ejemplo n.º 7
0
        void Start()
        {
            SampleRate = AudioSettings.outputSampleRate;
            int buflength, numbufs;

            AudioSettings.GetDSPBufferSize(out buflength, out numbufs);
            var channels = AudioUnit.speakerModeToChannels(AudioSettings.speakerMode);

            cutoffData = new float[buflength * channels];
        }
Ejemplo n.º 8
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        void Start()
        {
            // SampleRate = AudioSettings.outputSampleRate;
            int buflength, numbufs;

            AudioSettings.GetDSPBufferSize(out buflength, out numbufs);
            Channels      = AudioUnit.speakerModeToChannels(AudioSettings.speakerMode);
            audioData     = new float[buflength * Channels];
            amplitudeData = new float[buflength * Channels];
        }
Ejemplo n.º 9
0
        void Start()
        {
            SampleRate = AudioSettings.outputSampleRate;
            Omega      = (1.0 / AudioSettings.outputSampleRate) * TWOPI;
            int buflength, numbufs;

            AudioSettings.GetDSPBufferSize(out buflength, out numbufs);
            Channels = AudioUnit.speakerModeToChannels(AudioSettings.speakerMode);
            frqData  = new float[buflength * Channels];
            pwData   = new float[buflength * Channels];
        }
Ejemplo n.º 10
0
        public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
        {
            if (audioFile == null || clipSamples < 0)
            {
                return;
            }
            if (gateInput != null)
            {
                gateInput.ProcessAudio(gateData, this, sampleNum, channels);
            }
            if (loopStartInput != null)
            {
                loopStartInput.ProcessAudio(loopStartData, this, sampleNum, channels);
            }
            if ((long)(loopStart * SampleRate) < 0 || (loopStart * SampleRate) > clipSamples)
            {
                loopStart = 0.0;
            }

            for (int i = 0; i < data.Length; i += channels)
            {
                var g  = ((gateInput != null) ? gateData[i] : gate) > 0.25 ? 1.0F : 0.0F;
                var ls = loopStartInput ? (long)((loopStartData[i] + loopStart) * SampleRate) : (long)(loopStart * SampleRate);
                if (playHead > clipSamples)
                {
                    Debug.Log("playHead " + playHead.ToString() + " file " + clipSamples);
                }
                data[i] = audioBuffer[playHead * clipChannels] * g;
                if (clipChannels > 1)
                {
                    data[i + 1] = audioBuffer[(playHead * clipChannels) + 1] * g;
                }
                if (gateState < 0.5 && g >= 0.5)
                {
                    if (gateRetrigger)
                    {
                        playHead = Math.Abs(ls);
                    }
                }
                gateState = g;
                if (g > 0.5)
                {
                    playHead++;
                    if (playHead >= ((loopDuration > 0.0) ? (long)(loopDuration * SampleRate) + ls : clipSamples))
                    {
                        playHead = Math.Abs(ls);
                    }
                    if (playHead >= clipSamples)
                    {
                        playHead = 0;
                    }
                }
            }
        }
Ejemplo n.º 11
0
 public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
 {
     if (input != null)
     {
         input.ProcessAudio(data, this, sampleNum, channels);
     }
     for (int i = 0; i < data.Length; i++)
     {
         var offset = input != null ? data[i] : 0.0;
         data[i] = (float)value + (float)offset;
     }
     return;
 }
Ejemplo n.º 12
0
        public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
        {
            // only process input once for 'n' outputs
            if ((outputCnt % outputs.Length) == 0)
            {
                input.ProcessAudio(tmpData, this, sampleNum, channels);
            }
            // use tmpData for all outputs
            for (int i = 0; i < data.Length; i++)
            {
                data[i] = tmpData[i];
            }
            outputCnt++;

            return;
        }
Ejemplo n.º 13
0
 public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
 {
     if (input != null)
     {
         input.ProcessAudio(data, this, sampleNum, channels);
     }
     if (ampInput != null)
     {
         ampInput.ProcessAudio(ampData, this, sampleNum, channels);
     }
     for (int i = 0; i < data.Length; i++)
     {
         var offset = input != null ? data[i] : 0.0;
         data[i] = data[i] * (ampInput ? ampData[i] + amp : amp);
     }
     return;
 }
Ejemplo n.º 14
0
        void Start()
        {
            SampleRate = AudioSettings.outputSampleRate;
            int buflength, numbufs;

            AudioSettings.GetDSPBufferSize(out buflength, out numbufs);
            var channels = AudioUnit.speakerModeToChannels(AudioSettings.speakerMode);

            gateData      = new float[buflength * channels];
            loopStartData = new float[buflength * channels];
            if (audioFile)
            {
                clipSamples  = audioFile.samples;
                clipChannels = audioFile.channels;
                audioBuffer  = new float[clipSamples * clipChannels];
                audioFile.GetData(audioBuffer, 0);
            }
        }
Ejemplo n.º 15
0
        public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
        {
            if (BPM < 40.0)
            {
                BPM = 40.0;
            }
            var tmpCountDown    = countDown;
            var tmpStepNumber   = stepNumber;
            var tmpStepDuration = stepDuration;

            for (int i = 0; i < data.Length; i += channels)
            {
                if (tmpCountDown < 1)
                {
                    tmpStepNumber++; // increment the stepcount!
                    // set the countdown until the next step increment
                    tmpCountDown    = (long)((SampleRate / (BPM / 60.0)) * durations[tmpStepNumber % durations.Length]);
                    tmpStepDuration = tmpCountDown;
                }
                if (caller == gateOutput)
                {
                    var gateLength = (float)gates[tmpStepNumber % gates.Length];
                    data[i] = ((tmpStepDuration - tmpCountDown) > (long)(gateLength * tmpStepDuration)) ? 0.0F : 1.0F;
                    // data[i] = (sampleNum % stepDuration) < ((long) ((SampleRate / (BPM / 60.0)) * gateLength)) ? 1.0F : 0.0F;
                }
                else
                {
                    data[i] = (float)midi2Frq(pitches[tmpStepNumber % pitches.Length]);
                }
                for (int j = 1; j < channels; j++)
                {
                    data[i + j] = data[i]; // i.e. mono
                }
                tmpCountDown--;
            }
            if ((processRunNum % 2) == 1)
            {
                countDown    = tmpCountDown;
                stepNumber   = tmpStepNumber;
                stepDuration = tmpStepDuration;
            }
            processRunNum++;
            return;
        }
Ejemplo n.º 16
0
 public override void ProcessAudio(float[] data, AudioUnit caller, long sampleNum, int channels)
 {
     if (input != null)
     {
         input.ProcessAudio(data, this, sampleNum, channels);
     }
     for (int i = 0; i < data.Length; i += channels)
     {
         var leftd   = delayLineLeft[playHeadLeft];
         var leftout = data[i] + ((float)mixOut * leftd);
         delayLineLeft[playHeadLeft] = (data[i] * mixIn) + (leftd * feedback);
         playHeadLeft = (playHeadLeft + 1) % (long)(delayTimeLeft * 0.001 * SampleRate);
         data[i]      = leftout;
         if (channels > 1)
         {
             var rightd   = delayLineRight[playHeadRight];
             var rightout = data[i + 1] + ((float)mixOut * rightd);
             delayLineRight[playHeadRight] = (data[i + 1] * mixIn) + (rightd * feedback);
             playHeadRight = (playHeadRight + 1) % (long)(delayTimeRight * 0.001 * SampleRate);
             data[i + 1]   = rightout;
         }
     }
     return;
 }
Ejemplo n.º 17
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 public abstract void ProcessAudio(float[] buffer, AudioUnit caller, long sampleNum, int numChannels);