Exemplo n.º 1
0
    void m_bundleopen(int argc,const t_atom *argv) 
    {
        double t = 0;
        if(argc--) t += GetAFloat(*argv++);
        if(argc--) t += GetAFloat(*argv++);
        osc::uint64 timetag = GetTimetag(t);

        FLEXT_ASSERT(packet);
		++bundle;

        if(timetag <= 1)
            // here immediate timetag can also be 0... but do OSC a favor
    		*packet << osc::BeginBundleImmediate;
        else
		    *packet << osc::BeginBundle(timetag);
    }
Exemplo n.º 2
0
 void regression::map(int argc, const t_atom *argv)
 {
     GRT::UINT numSamples = regression_data.getNumSamples();
     GRT::Regressifier &regressifier = get_Regressifier_instance();
     
     if (numSamples == 0)
     {
         error("no observations added, use 'add' to add training data");
         return;
     }
     
     if (regressifier.getTrained() == false)
     {
         error("data_typel has not been trained, use 'train' to train the data_typel");
         return;
     }
     
     GRT::UINT numInputNeurons = regressifier.getNumInputFeatures();
     GRT::VectorDouble query(numInputNeurons);
     
     if (argc < 0 || (unsigned)argc != numInputNeurons)
     {
         error("invalid input length, expected " + std::to_string(numInputNeurons) + " got " + std::to_string(argc));
     }
     
     for (uint32_t index = 0; index < (uint32_t)argc; ++index)
     {
         double value = GetAFloat(argv[index]);
         query[index] = value;
     }
     
     bool success = regressifier.predict(query);
     
     if (success == false)
     {
         error("unable to map input");
         return;
     }
     
     GRT::VectorDouble regression_data = regressifier.getRegressionData();
     GRT::VectorDouble::size_type numOutputDimensions = regression_data.size();
     
     if (numOutputDimensions != regressifier.getNumOutputDimensions())
     {
         error("invalid output dimensions: " + std::to_string(numOutputDimensions));
         return;
     }
     
     AtomList result;
     
     for (uint32_t index = 0; index < numOutputDimensions; ++index)
     {
         t_atom value_a;
         double value = regression_data[index];
         SetFloat(value_a, value);
         result.Append(value_a);
     }
     
     ToOutList(0, result);
 }
Exemplo n.º 3
0
    void feature_extraction::map(int argc, const t_atom *argv)
    {
        GRT::VectorDouble input(argc);
        GRT::FeatureExtraction &feature_extractor = get_FeatureExtraction_instance();
        
        if (argc <= 0 || (GRT::UINT)argc != feature_extractor.getNumInputDimensions())
        {
            std::stringstream ss;
            ss << "invalid input length: " << argc << ", expected: " << feature_extractor.getNumInputDimensions();
            error(ss.str());
            return;
        }
        
        for (uint32_t index = 0; index < (uint32_t)argc; ++index)
        {
            double value = GetAFloat(argv[index]);
            input[index] = value;
        }
        
        bool success = feature_extractor.computeFeatures(input);
        
        if (success == false)
        {
            error("unable to map input");
            return;
        }
        
        GRT::VectorDouble features = feature_extractor.getFeatureVector();
        
        if (features.size() == 0 || features.size() != feature_extractor.getNumOutputDimensions())
        {
            std::stringstream ss;
            ss << "unexpected output length: " << features.size() << ", expected: " << feature_extractor.getNumOutputDimensions();
            error(ss.str());
            return;
        }
        
        AtomList features_l;
        GRT::VectorDouble::iterator iterator;
        
        for (iterator = features.begin(); iterator != features.end(); iterator++)
        {
            t_atom feature_a;
            
            SetDouble(&feature_a, *iterator);
            features_l.Append(feature_a);
        }

        ToOutList(0, features_l);
    }
Exemplo n.º 4
0
    void ann::map(int argc, const t_atom *argv)
    {
        const data_type data_type = get_data_type();

        GRT::UINT numSamples = data_type == LABELLED_CLASSIFICATION ? classification_data.getNumSamples() : regression_data.getNumSamples();

        if (numSamples == 0)
        {
            flext::error("no observations added, use 'add' to add training data");
            return;
        }

        if (grt_ann.getTrained() == false)
        {
            flext::error("model has not been trained, use 'train' to train the model");
            return;
        }
        
        GRT::UINT numInputNeurons = grt_ann.getNumInputNeurons();
        GRT::VectorDouble query(numInputNeurons);
        
        if (argc < 0 || (unsigned)argc != numInputNeurons)
        {
            flext::error("invalid input length, expected %d, got %d", numInputNeurons, argc);
        }

        for (uint32_t index = 0; index < (uint32_t)argc; ++index)
        {
            double value = GetAFloat(argv[index]);
            query[index] = value;
        }
        
        bool success = grt_ann.predict(query);
        
        if (success == false)
        {
            flext::error("unable to map input");
            return;
        }
        
        if (grt_ann.getClassificationModeActive())
        {
            const GRT::VectorDouble likelihoods = grt_ann.getClassLikelihoods();
            const GRT::Vector<GRT::UINT> labels = classification_data.getClassLabels();
            const GRT::UINT predicted = grt_ann.getPredictedClassLabel();
            const GRT::UINT classification = predicted == 0 ? 0 : get_class_id_for_index(predicted);
            
            if (likelihoods.size() != labels.size())
            {
                flext::error("labels / likelihoods size mismatch");
            }
            else if (probs)
            {
                AtomList probs_list;

                for (unsigned count = 0; count < labels.size(); ++count)
                {
                    t_atom label_a;
                    t_atom likelihood_a;
                    
                    SetFloat(likelihood_a, static_cast<float>(likelihoods[count]));
                    SetInt(label_a, get_class_id_for_index(labels[count]));
                    
                    probs_list.Append(label_a);
                    probs_list.Append(likelihood_a);
                }
                ToOutAnything(1, get_s_probs(), probs_list);
            }
                 
            ToOutInt(0, classification);
        }
        else if (grt_ann.getRegressionModeActive())
        {
            GRT::VectorDouble regression_data = grt_ann.getRegressionData();
            GRT::VectorDouble::size_type numOutputDimensions = regression_data.size();
            
            if (numOutputDimensions != grt_ann.getNumOutputNeurons())
            {
                flext::error("invalid output dimensions: %d", numOutputDimensions);
                return;
            }
            
            AtomList result;
            
            for (uint32_t index = 0; index < numOutputDimensions; ++index)
            {
                t_atom value_a;
                double value = regression_data[index];
                SetFloat(value_a, value);
                result.Append(value_a);
            }
            
            ToOutList(0, result);
        }
    }
Exemplo n.º 5
0
    void ann::add(int argc, const t_atom *argv)
    {
        if (get_data_type() != data_type::LABELLED_CLASSIFICATION)
        {
            ml::add(argc, argv);
            return;
        }
        
        // work around a bug in GRT where class labels must be contigious
        if (argc < 2)
        {
            flext::error("invalid input length, must contain at least 2 values");
            return;
        }
        
        GRT::UINT numInputDimensions = classification_data.getNumDimensions();
        GRT::UINT numOutputDimensions = 1;
        GRT::UINT combinedVectorSize = numInputDimensions + numOutputDimensions;
        
        if ((unsigned)argc != combinedVectorSize)
        {
            numInputDimensions = argc - numOutputDimensions;
            
            if (numInputDimensions < 1)
            {
                flext::error(std::string("invalid input length, expected at least " + std::to_string(numOutputDimensions + 1)).c_str());
                return;
            }
            post("new input vector size, adjusting num_inputs to " + std::to_string(numInputDimensions));
            set_num_inputs(numInputDimensions);
        }
        
        GRT::VectorDouble inputVector(numInputDimensions);
        GRT::VectorDouble targetVector(numOutputDimensions);
        
        for (uint32_t index = 0; index < (unsigned)argc; ++index)
        {
            float value = GetAFloat(argv[index]);
            
            if (index < numOutputDimensions)
            {
                targetVector[index] = value;
            }
            else
            {
                inputVector[index - numOutputDimensions] = value;
            }
        }
        
        GRT::UINT label = get_index_for_class((GRT::UINT)targetVector[0]);
        
        assert(label > 0);
        
//        if ((double)label != targetVector[0])
//        {
//            flext::error("class label must be a positive integer");
//            return;
//        }
//
//        if (label == 0)
//        {
//            flext::error("class label must be non-zero");
//            return;
//        }
        
        classification_data.addSample(label, inputVector);
    }
Exemplo n.º 6
0
    virtual bool CbMethodResort(int inlet,const t_symbol *sym,int argc,const t_atom *argv)
    {
		const char *dst = GetString(sym);
		if(*dst != '/')
			return false;
		
		FLEXT_ASSERT(packet);

        {
            // treat destination string
            const char *var = strchr(dst,'%');
            *packet << osc::BeginMessage(var?Convert(dst,var,argc,argv).c_str():dst);
        }

        while(argc) {
            if(IsSymbol(*argv)) {
                const char *hdr = GetString(*argv++); --argc;

                const char *var = strchr(hdr,'%');
                if(var) {
                    // variable found in string
                    char typetag = var[1];
                    if(!typetag) 
                        // % is only character
                        *packet << "%";
                    else if(hdr != var || var[2])
                        // variable not in front, or string more than 2 chars long -> substitute variables
                        *packet << Convert(hdr,var,argc,argv).c_str();
                    else {
                        // standalone
                        switch(typetag) {
                            case osc::TRUE_TYPE_TAG: *packet << true; break;
                            case osc::FALSE_TYPE_TAG: *packet << false; break;
                            case osc::NIL_TYPE_TAG: *packet << osc::Nil; break;
                            case osc::INFINITUM_TYPE_TAG: *packet << osc::Infinitum; break;
                            case osc::INT32_TYPE_TAG: {
                                osc::int32 z = (argc--)?GetAInt(*argv++):0;
                                *packet << z;
                                break;
                            }
                            case osc::FLOAT_TYPE_TAG: {
                                float z = (argc--)?GetAFloat(*argv++):0;
                                *packet << z;
                                break;
                            }
                            case osc::CHAR_TYPE_TAG: {
                                Symbol s = (argc--)?GetASymbol(*argv++):NULL;
                                *packet << (s?*GetString(s):'\0');
                                break;
                            }
                            case osc::RGBA_COLOR_TYPE_TAG: {
                                osc::uint32 r = (argc--)?(GetAInt(*argv++)&0xff):0;
                                osc::uint32 g = (argc--)?(GetAInt(*argv++)&0xff):0;
                                osc::uint32 b = (argc--)?(GetAInt(*argv++)&0xff):0;
                                osc::uint32 a = (argc--)?(GetAInt(*argv++)&0xff):0;
                                *packet << osc::RgbaColor((r<<24)+(g<<16)+(b<<8)+a);
                                break;
                            }
                            case osc::MIDI_MESSAGE_TYPE_TAG: {
                                osc::uint32 channel = (argc--)?(GetAInt(*argv++)&0xff):0;
                                osc::uint32 status = (argc--)?(GetAInt(*argv++)&0xff):0;
                                osc::uint32 data1 = (argc--)?(GetAInt(*argv++)&0xff):0;
                                osc::uint32 data2 = (argc--)?(GetAInt(*argv++)&0xff):0;
                                *packet << osc::MidiMessage((channel<<24)+(status<<16)+(data1<<8)+data2);
                                break;
                            }
                            case osc::INT64_TYPE_TAG: {
                                osc::int64 z = 0;
                                if(argc--) z += GetAInt(*argv++);
                                if(argc--) z += GetAInt(*argv++);
                                *packet << z;
                                break;
                            }
                            case osc::TIME_TAG_TYPE_TAG: {
                                double z = 0;
                                if(argc--) z += GetAFloat(*argv++);
                                if(argc--) z += GetAFloat(*argv++);
                                *packet << osc::TimeTag(GetTimetag(z));
                                break;
                            }
                            case osc::DOUBLE_TYPE_TAG: {
                                double z = 0;
                                if(argc--) z += GetAFloat(*argv++);
                                if(argc--) z += GetAFloat(*argv++);
                                *packet << z;
                                break;
                            }
                            case osc::STRING_TYPE_TAG: {
                                Symbol s = (argc--)?GetASymbol(*argv++):NULL;
                                *packet << (s?GetString(s):"");
                                break;
                            }
                            case osc::SYMBOL_TYPE_TAG: {
                                Symbol s = (argc--)?GetASymbol(*argv++):NULL;
                                *packet << osc::Symbol(s?GetString(s):"");
                                break;
                            }
                            case osc::BLOB_TYPE_TAG:
                                post("%s %s - Blob type not supported",thisName(),GetString(thisTag()));
                                break;
                            default:
                                post("%s %s - Unknown type tag %s",thisName(),GetString(thisTag()),typetag);
                        }
                    }
                }
                else
                    *packet << osc::Symbol(hdr);
            }
            else if(CanbeFloat(*argv))
                *packet << GetAFloat(*argv++),--argc;
            else {
                post("%s %s - Invalid atom type",thisName(),GetString(thisTag()));
                ++argv,--argc;
            }
        }
        *packet << osc::EndMessage;

        if(!bundle && autosend) Send(true);

        return true;
    }