Merge pull request #568 from peterbraden/available-modules

Available modules

examples/async-resize.js

@@ -0,0 +1,34 @@
+var cv = require('../lib/opencv');
+
+cv.readImage("./files/mona.png", function(err, im) {
+  if (err) throw err;
+
+  var width = im.width();
+  var height = im.height();
+  if (width < 1 || height < 1) throw new Error('Image has no size');
+  
+  console.log('Image loaded from ./files/mona.png at '+im.width()+'x'+im.height());
+  
+  var AfterResize = function(err, img){
+    if (err){
+      console.log('Error in resize:' + err);
+      return;
+    }
+    img.save("./tmp/resize-async-image.png");
+    console.log('Image saved to ./tmp/resize-async-image.png at '+img.width()+'x'+img.height());
+  };
+
+  var newwidth = width*0.95;
+  var newheight = height*0.95;
+  
+  var Async = true;
+  if (Async){
+    // note - generates a new image
+    im.resize(newwidth, newheight, AfterResize);
+  } else {
+    // sync - note - modifies the input image
+    im.resize(newwidth, newheight);
+    AfterResize(null, im);
+  }
+  
+});

inc/Matrix.h

@@ -11,7 +11,7 @@
  */
 #ifndef NODE_OPENCV_MATRIX_H
 #define NODE_OPENCV_MATRIX_H
-#include <opencv/cv.h>
+#include <opencv2/opencv.hpp>
 #include <node_object_wrap.h>
 
 namespace node_opencv {

lib/opencv.js

@@ -7,30 +7,34 @@ var Stream = require('stream').Stream
 var cv = module.exports = require('./bindings');
 
 var Matrix = cv.Matrix
-  , VideoCapture = cv.VideoCapture
-  , VideoWriter = cv.VideoWriter
   , ImageStream
   , ImageDataStream
   , ObjectDetectionStream
   , VideoStream;
 
 
-Matrix.prototype.detectObject = function(classifier, opts, cb){
-  var face_cascade;
-  opts = opts || {};
-  cv._detectObjectClassifiers = cv._detectObjectClassifiers || {};
+if (cv.CascadeClassifier) {
+  Matrix.prototype.detectObject = function(classifier, opts, cb){
+    var face_cascade;
+    opts = opts || {};
+    cv._detectObjectClassifiers = cv._detectObjectClassifiers || {};
 
-  if (!(face_cascade = cv._detectObjectClassifiers[classifier])){
-    face_cascade = new cv.CascadeClassifier(classifier);
-    cv._detectObjectClassifiers[classifier] = face_cascade;
+    if (!(face_cascade = cv._detectObjectClassifiers[classifier])){
+      face_cascade = new cv.CascadeClassifier(classifier);
+      cv._detectObjectClassifiers[classifier] = face_cascade;
+    }
+
+    face_cascade.detectMultiScale(this, cb, opts.scale, opts.neighbors
+      , opts.min && opts.min[0], opts.min && opts.min[1]);
+  }
+} else {
+  cv.Matrix.prototype.detectObject = function() {
+    throw new Error("You need to install OpenCV with OBJDETECT module");
   }
-
-  face_cascade.detectMultiScale(this, cb, opts.scale, opts.neighbors
-    , opts.min && opts.min[0], opts.min && opts.min[1]);
 }
 
 
-Matrix.prototype.inspect = function(){
+cv.Matrix.prototype.inspect = function(){
   var size = (this.size()||[]).join('x');
   return "[ Matrix " + size + " ]";
 }
@@ -189,69 +193,70 @@ ImageDataStream.prototype.end = function(b){
   });
 }
 
-
-ObjectDetectionStream = cv.ObjectDetectionStream = function(cascade, opts){
-  this.classifier = new cv.CascadeClassifier(cascade);
-  this.opts = opts || {};
-  this.readable = true;
-  this.writable = true;
-}
-util.inherits(ObjectDetectionStream, Stream);
-
-
-ObjectDetectionStream.prototype.write = function(m){
-  var self = this;
-  this.classifier.detectMultiScale(m, function(err, objs){
-    if (err) return self.emit('error', err);
-    self.emit('data', objs, m);
+if (cv.CascadeClassifier) {
+  ObjectDetectionStream = cv.ObjectDetectionStream = function(cascade, opts){
+    this.classifier = new cv.CascadeClassifier(cascade);
+    this.opts = opts || {};
+    this.readable = true;
+    this.writable = true;
   }
-  , this.opts.scale
-  , this.opts.neighbors
-  , this.opts.min && this.opts.min[0]
-  , this.opts.min && this.opts.min[1]);
-}
+  util.inherits(ObjectDetectionStream, Stream);
 
-
-VideoStream = cv.VideoStream = function(src){
-  if (!(src instanceof VideoCapture)) src = new VideoCapture(src);
-  this.video = src;
-  this.readable = true;
-  this.paused = false;
-}
-util.inherits(VideoStream, Stream);
-
-
-VideoStream.prototype.read = function(){
-  var self = this;
-  var frame = function(){
-    self.video.read(function(err, mat){
+  ObjectDetectionStream.prototype.write = function(m){
+    var self = this;
+    this.classifier.detectMultiScale(m, function(err, objs){
       if (err) return self.emit('error', err);
-      self.emit('data', mat);
-      if (!self.paused) process.nextTick(frame);
-    })
+      self.emit('data', objs, m);
+    }
+    , this.opts.scale
+    , this.opts.neighbors
+    , this.opts.min && this.opts.min[0]
+    , this.opts.min && this.opts.min[1]);
+  }
+}
+
+
+if (cv.VideoCapture) {
+  var VideoCapture = cv.VideoCapture
+
+  VideoStream = cv.VideoStream = function(src){
+    if (!(src instanceof VideoCapture)) src = new VideoCapture(src);
+    this.video = src;
+    this.readable = true;
+    this.paused = false;
+  }
+  util.inherits(VideoStream, Stream);
+
+
+  VideoStream.prototype.read = function(){
+    var self = this;
+    var frame = function(){
+      self.video.read(function(err, mat){
+        if (err) return self.emit('error', err);
+        self.emit('data', mat);
+        if (!self.paused) process.nextTick(frame);
+      })
+    }
+
+    frame();
   }
 
-  frame();
+  VideoStream.prototype.pause = function(){
+    this.paused = true;
+  }
+
+
+  VideoStream.prototype.resume = function(){
+    this.paused = false;
+    this.read();
+  }
+
+  VideoCapture.prototype.toStream = function(){
+    return new VideoStream(this);
+  }
 }
 
 
-VideoStream.prototype.pause = function(){
-  this.paused = true;
-}
-
-
-VideoStream.prototype.resume = function(){
-  this.paused = false;
-  this.read();
-}
-
-
-VideoCapture.prototype.toStream = function(){
-  return new VideoStream(this);
-}
-
-
-
 // Provide cascade data for faces etc.
 var CASCADES = {
   FACE_CASCADE: 'haarcascade_frontalface_alt.xml'

src/BackgroundSubtractor.cc

@@ -3,6 +3,8 @@
 #include <iostream>
 #include <nan.h>
 
+#ifdef HAVE_OPENCV_VIDEO
+
 #if CV_MAJOR_VERSION >= 3
 #warning TODO: port me to OpenCV 3
 #endif
@@ -129,3 +131,4 @@ BackgroundSubtractorWrap::BackgroundSubtractorWrap(
 
 #endif
 
+#endif

src/BackgroundSubtractor.h

@@ -1,5 +1,7 @@
 #include "OpenCV.h"
 
+#ifdef HAVE_OPENCV_VIDEO
+
 #if ((CV_MAJOR_VERSION == 2) && (CV_MINOR_VERSION >=4))
 
 #include <opencv2/video/background_segm.hpp>
@@ -19,3 +21,5 @@ public:
 };
 
 #endif
+
+#endif

src/Calib3D.cc

@@ -1,6 +1,8 @@
 #include "Calib3D.h"
 #include "Matrix.h"
 
+#ifdef HAVE_OPENCV_CALIB3D
+
 inline Local<Object> matrixFromMat(cv::Mat &input) {
   Local<Object> matrixWrap =
       Nan::NewInstance(Nan::GetFunction(Nan::New(Matrix::constructor)).ToLocalChecked()).ToLocalChecked();
@@ -564,3 +566,5 @@ NAN_METHOD(Calib3D::ReprojectImageTo3D) {
     return;
   }
 }
+
+#endif

src/Calib3D.h

@@ -3,6 +3,8 @@
 
 #include "OpenCV.h"
 
+#ifdef HAVE_OPENCV_CALIB3D
+
 #if CV_MAJOR_VERSION >= 3
 #include <opencv2/calib3d.hpp>
 #endif
@@ -25,3 +27,4 @@ public:
 };
 
 #endif
+#endif

src/CamShift.cc

@@ -2,6 +2,8 @@
 #include "OpenCV.h"
 #include "Matrix.h"
 
+#ifdef HAVE_OPENCV_VIDEO
+
 #if CV_MAJOR_VERSION >= 3
 #include <opencv2/video/tracking.hpp>
 #endif
@@ -176,3 +178,5 @@ NAN_METHOD(TrackedObject::Track) {
 
   info.GetReturnValue().Set(arr);
 }
+
+#endif

src/CamShift.h

@@ -1,5 +1,6 @@
 #include "OpenCV.h"
 
+#ifdef HAVE_OPENCV_VIDEO
 
 class TrackedObject: public Nan::ObjectWrap {
 public:
@@ -20,3 +21,5 @@ public:
 
   JSFUNC(Track);
 };
+
+#endif

src/CascadeClassifierWrap.cc

@@ -3,6 +3,8 @@
 #include "Matrix.h"
 #include <nan.h>
 
+#ifdef HAVE_OPENCV_OBJDETECT
+
 Nan::Persistent<FunctionTemplate> CascadeClassifierWrap::constructor;
 
 void CascadeClassifierWrap::Init(Local<Object> target) {
@@ -149,3 +151,5 @@ NAN_METHOD(CascadeClassifierWrap::DetectMultiScale) {
           neighbors, minw, minh));
   return;
 }
+
+#endif

src/CascadeClassifierWrap.h

@@ -1,6 +1,9 @@
 #include "OpenCV.h"
+
+#ifdef HAVE_OPENCV_OBJDETECT
+
 #if CV_MAJOR_VERSION >= 3
-#include <opencv2/objdetect.hpp>
+  #include <opencv2/objdetect.hpp>
 #endif
 
 class CascadeClassifierWrap: public Nan::ObjectWrap {
@@ -20,3 +23,5 @@ public:
   static void EIO_DetectMultiScale(uv_work_t *req);
   static int EIO_AfterDetectMultiScale(uv_work_t *req);
 };
+
+#endif

src/FaceRecognizer.cc

@@ -8,9 +8,9 @@
 #if CV_MAJOR_VERSION >= 3
 namespace cv {
   using std::vector;
-  using cv::face::createEigenFaceRecognizer;
-  using cv::face::createFisherFaceRecognizer;
-  using cv::face::createLBPHFaceRecognizer;
+  using cv::face::EigenFaceRecognizer;
+  using cv::face::FisherFaceRecognizer;
+  using cv::face::LBPHFaceRecognizer;
 }
 #endif
 
@@ -68,7 +68,7 @@ NAN_METHOD(FaceRecognizerWrap::New) {
   }
 
   // By default initialize LBPH
-  cv::Ptr<cv::FaceRecognizer> f = cv::createLBPHFaceRecognizer(1, 8, 8, 8, 80.0);
+  cv::Ptr<cv::FaceRecognizer> f = cv::LBPHFaceRecognizer::create(1, 8, 8, 8, 80.0);
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, LBPH);
 
   pt->Wrap(info.This());
@@ -91,7 +91,7 @@ NAN_METHOD(FaceRecognizerWrap::CreateLBPH) {
   DOUBLE_FROM_ARGS(threshold, 4)
 
   Local<Object> n = Nan::NewInstance(Nan::GetFunction(Nan::New(FaceRecognizerWrap::constructor)).ToLocalChecked()).ToLocalChecked();
-  cv::Ptr<cv::FaceRecognizer> f = cv::createLBPHFaceRecognizer(radius,
+  cv::Ptr<cv::FaceRecognizer> f = cv::LBPHFaceRecognizer::create(radius,
       neighbors, grid_x, grid_y, threshold);
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, LBPH);
   pt->Wrap(n);
@@ -109,7 +109,7 @@ NAN_METHOD(FaceRecognizerWrap::CreateEigen) {
   DOUBLE_FROM_ARGS(threshold, 1)
 
   Local<Object> n = Nan::NewInstance(Nan::GetFunction(Nan::New(FaceRecognizerWrap::constructor)).ToLocalChecked()).ToLocalChecked();
-  cv::Ptr<cv::FaceRecognizer> f = cv::createEigenFaceRecognizer(components,
+  cv::Ptr<cv::FaceRecognizer> f = cv::EigenFaceRecognizer::create(components,
       threshold);
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, EIGEN);
   pt->Wrap(n);
@@ -128,7 +128,7 @@ NAN_METHOD(FaceRecognizerWrap::CreateFisher) {
 
   Local<Object> n = Nan::NewInstance(Nan::GetFunction(Nan::New(FaceRecognizerWrap::constructor)).ToLocalChecked()).ToLocalChecked();
 
-  cv::Ptr<cv::FaceRecognizer> f = cv::createFisherFaceRecognizer(components,
+  cv::Ptr<cv::FaceRecognizer> f = cv::FisherFaceRecognizer::create(components,
       threshold);
   FaceRecognizerWrap *pt = new FaceRecognizerWrap(f, FISHER);
   pt->Wrap(n);
@@ -378,7 +378,7 @@ NAN_METHOD(FaceRecognizerWrap::SaveSync) {
     JSTHROW("Save takes a filename")
   }
   std::string filename = std::string(*Nan::Utf8String(info[0]->ToString()));
-  self->rec->save(filename);
+  self->rec->write(filename);
   return;
 }
 
@@ -388,7 +388,7 @@ NAN_METHOD(FaceRecognizerWrap::LoadSync) {
     JSTHROW("Load takes a filename")
   }
   std::string filename = std::string(*Nan::Utf8String(info[0]->ToString()));
-  self->rec->load(filename);
+  self->rec->read(filename);
   return;
 }
 

src/Features2d.cc

@@ -6,6 +6,8 @@
 #include <nan.h>
 #include <stdio.h>
 
+#ifdef HAVE_OPENCV_FEATURES2D
+
 void Features::Init(Local<Object> target) {
   Nan::HandleScope scope;
 
@@ -112,3 +114,4 @@ NAN_METHOD(Features::Similarity) {
 }
 
 #endif
+#endif

src/Features2d.h

@@ -2,6 +2,8 @@
 
 #if ((CV_MAJOR_VERSION == 2) && (CV_MINOR_VERSION >=4))
 
+#ifdef HAVE_OPENCV_FEATURES2D
+
 #include <opencv2/core/core.hpp>
 #include <opencv2/features2d/features2d.hpp>
 
@@ -14,3 +16,5 @@ public:
 };
 
 #endif
+
+#endif

src/HighGUI.cc

@@ -2,6 +2,8 @@
 #include "OpenCV.h"
 #include "Matrix.h"
 
+#ifdef HAVE_OPENCV_HIGHGUI
+
 Nan::Persistent<FunctionTemplate> NamedWindow::constructor;
 
 void NamedWindow::Init(Local<Object> target) {
@@ -82,3 +84,5 @@ NAN_METHOD(NamedWindow::BlockingWaitKey) {
 
   info.GetReturnValue().Set(Nan::New<Number>(res));
 }
+
+#endif

src/HighGUI.h

@@ -1,5 +1,7 @@
 #include "OpenCV.h"
 
+#ifdef HAVE_OPENCV_HIGHGUI
+
 class NamedWindow: public Nan::ObjectWrap {
 public:
   std::string winname;
@@ -17,3 +19,5 @@ public:
   ;
 
 };
+
+#endif

src/ImgProc.cc

@@ -1,6 +1,8 @@
 #include "ImgProc.h"
 #include "Matrix.h"
 
+#ifdef HAVE_OPENCV_IMGPROC
+
 void ImgProc::Init(Local<Object> target) {
   Nan::Persistent<Object> inner;
   Local<Object> obj = Nan::New<Object>();
@@ -233,3 +235,5 @@ NAN_METHOD(ImgProc::GetStructuringElement) {
     return;
   }
 }
+
+#endif

src/ImgProc.h

@@ -3,6 +3,8 @@
 
 #include "OpenCV.h"
 
+#ifdef HAVE_OPENCV_IMGPROC
+
 /**
  * Implementation of imgproc.hpp functions
  */
@@ -17,3 +19,5 @@ public:
 };
 
 #endif
+
+#endif

src/Matrix.cc

@@ -83,7 +83,9 @@ void Matrix::Init(Local<Object> target) {
   Nan::SetPrototypeMethod(ctor, "drawContour", DrawContour);
   Nan::SetPrototypeMethod(ctor, "drawAllContours", DrawAllContours);
   Nan::SetPrototypeMethod(ctor, "goodFeaturesToTrack", GoodFeaturesToTrack);
+  #ifdef HAVE_OPENCV_VIDEO
   Nan::SetPrototypeMethod(ctor, "calcOpticalFlowPyrLK", CalcOpticalFlowPyrLK);
+  #endif
   Nan::SetPrototypeMethod(ctor, "houghLinesP", HoughLinesP);
   Nan::SetPrototypeMethod(ctor, "houghCircles", HoughCircles);
   Nan::SetPrototypeMethod(ctor, "inRange", inRange);
@@ -1697,6 +1699,7 @@ NAN_METHOD(Matrix::GoodFeaturesToTrack) {
   info.GetReturnValue().Set(arr);
 }
 
+#ifdef HAVE_OPENCV_VIDEO
 NAN_METHOD(Matrix::CalcOpticalFlowPyrLK) {
   Nan::HandleScope scope;
 
@@ -1773,6 +1776,7 @@ NAN_METHOD(Matrix::CalcOpticalFlowPyrLK) {
 
   info.GetReturnValue().Set(data);
 }
+#endif
 
 NAN_METHOD(Matrix::HoughLinesP) {
   Nan::HandleScope scope;
@@ -1885,27 +1889,145 @@ cv::Rect* setRect(Local<Object> objRect, cv::Rect &result) {
   return &result;
 }
 
+
+class ResizeASyncWorker: public Nan::AsyncWorker {
+public:
+  ResizeASyncWorker(Nan::Callback *callback, Matrix *image, cv::Size size, double fx, double fy, int interpolation) :
+      Nan::AsyncWorker(callback),
+      image(image),
+      size(size),
+      fx(fx),
+      fy(fy),
+      interpolation(interpolation),
+      success(0){
+  }
+
+  ~ResizeASyncWorker() {
+  }
+
+  void Execute() {
+    try {
+        dest = new Matrix();
+        cv::resize(image->mat, dest->mat, size, fx, fy, interpolation);
+        success = 1;
+    } catch(...){
+        success = 0;
+    }
+  }
+
+  void HandleOKCallback() {
+    Nan::HandleScope scope;
+    
+    if (success){
+        Local<Object> im_to_return= Nan::NewInstance(Nan::GetFunction(Nan::New(Matrix::constructor)).ToLocalChecked()).ToLocalChecked();
+        Matrix *img = Nan::ObjectWrap::Unwrap<Matrix>(im_to_return);
+        img->mat = dest->mat;
+        delete dest;
+        
+        //delete dest;
+        
+        Local<Value> argv[] = {
+          Nan::Null(), // err
+          im_to_return //result
+        };
+
+        Nan::TryCatch try_catch;
+        callback->Call(2, argv);
+        if (try_catch.HasCaught()) {
+          Nan::FatalException(try_catch);
+        }
+    } else {
+        delete dest;
+        
+        Local<Value> argv[] = {
+          Nan::New("C++ exception").ToLocalChecked(), // err
+          Nan::Null() //result
+        };
+
+        Nan::TryCatch try_catch;
+        callback->Call(2, argv);
+        if (try_catch.HasCaught()) {
+          Nan::FatalException(try_catch);
+        }
+    }
+  }
+
+private:
+  Matrix *image;
+  Matrix *dest;
+  cv::Size size;
+  double fx;
+  double fy;
+  int interpolation;
+  int success;
+
+};
+
+
 NAN_METHOD(Matrix::Resize) {
-  Nan::HandleScope scope;
+  SETUP_FUNCTION(Matrix)
+
+  if (info.Length() < 2) {
+    return Nan::ThrowError("Matrix.resize requires at least 2 argument2");
+  }
+
+  //im.resize( width, height );
+  //im.resize( width, height, fx, fy );
+  //im.resize( width, height, interpolation );
+  //im.resize( width, height, fx, fy, interpolation );
+  // if fn is added on the end, makes it Async
+  
+  int numargs = info.Length();
+  int isAsync = 0;
+  
+  if (info[numargs-1]->IsFunction()){
+      isAsync = 1;
+  }
+
+  if (info.Length() < 2+isAsync) {
+    return Nan::ThrowError("Matrix.resize requires at least x and y size argument2");
+  }
 
   int x = info[0]->Uint32Value();
   int y = info[1]->Uint32Value();
-  /*
-   CV_INTER_NN        =0,
-   CV_INTER_LINEAR    =1,
-   CV_INTER_CUBIC     =2,
-   CV_INTER_AREA      =3,
-   CV_INTER_LANCZOS4  =4
-   */
-  int interpolation = (info.Length() < 3) ? (int)cv::INTER_LINEAR : info[2]->Uint32Value();
 
-  Matrix *self = Nan::ObjectWrap::Unwrap<Matrix>(info.This());
-  cv::Mat res = cv::Mat(x, y, CV_32FC3);
-  cv::resize(self->mat, res, cv::Size(x, y), 0, 0, interpolation);
-  ~self->mat;
-  self->mat = res;
+  cv::Size size(x, y);
   
-  return;
+  if (size.area() == 0) {
+    return Nan::ThrowError("Area of size must be > 0");
+  }
+
+  double fx = 0;
+  double fy = 0;
+  int interpolation = cv::INTER_LINEAR;
+
+  // if 4 or more args, then expect fx, fy next
+  if (numargs >= 4+isAsync) {
+    DOUBLE_FROM_ARGS(fx, 2)
+    DOUBLE_FROM_ARGS(fy, 3)
+    if (numargs == 5+isAsync) {
+      INT_FROM_ARGS(interpolation, 5)
+    }
+  } else {
+    // if 3 args after possible function, expect interpolation
+    if (numargs == 3+isAsync) {
+      INT_FROM_ARGS(interpolation, 3)
+    }
+  }
+  
+  // if async
+  if (isAsync){
+    REQ_FUN_ARG(numargs-1, cb);
+    Nan::Callback *callback = new Nan::Callback(cb.As<Function>());
+    Nan::AsyncQueueWorker(new ResizeASyncWorker(callback, self, size, fx, fy, interpolation));
+    info.GetReturnValue().Set(Nan::Null());
+  } else {
+    Matrix *self = Nan::ObjectWrap::Unwrap<Matrix>(info.This());
+    cv::Mat res = cv::Mat(x, y, CV_32FC3);
+    cv::resize(self->mat, res, cv::Size(x, y), 0, 0, interpolation);
+    ~self->mat;
+    self->mat = res;
+  }
 }
 
 NAN_METHOD(Matrix::Rotate) {

src/Matrix.h

@@ -90,7 +90,9 @@ public:
 
   // Feature Detection
   JSFUNC(GoodFeaturesToTrack)
+  #ifdef HAVE_OPENCV_VIDEO
   JSFUNC(CalcOpticalFlowPyrLK)
+  #endif
   JSFUNC(HoughLinesP)
   JSFUNC(HoughCircles)
 

src/OpenCV.h

@@ -10,22 +10,41 @@
 #endif
 
 
+#include <opencv2/core/version.hpp>
+#if !((((CV_MAJOR_VERSION <= 2) && (CV_MINOR_VERSION <= 4)) && (CV_MINOR_VERSION < 13)) || ((CV_MAJOR_VERSION >= 3) && (CV_MINOR_VERSION < 1)))
+  #define INCLUDE_AVAILABLE_MODULES_ONLY
+#endif
 
 #include <v8.h>
 #include <node.h>
 #include <node_object_wrap.h>
 #include <node_version.h>
 #include <node_buffer.h>
-#include <opencv/cv.h>
+#include <opencv2/opencv.hpp>
+
+#if ((CV_MAJOR_VERSION <= 2) && (CV_MINOR_VERSION <= 4) && (CV_MINOR_VERSION < 10))
 #include <opencv/highgui.h>
-#if CV_MAJOR_VERSION >= 3
-#include <opencv2/highgui.hpp>
-#include <opencv2/imgproc.hpp>
-#include <opencv2/videoio.hpp>
-#include <opencv2/opencv_modules.hpp>
+#else
+#include <opencv2/imgcodecs/imgcodecs_c.h>
 #endif
-#if ((CV_MAJOR_VERSION == 2) && (CV_MINOR_VERSION >=4) && (CV_SUBMINOR_VERSION>=4))
-#define HAVE_OPENCV_FACE
+
+#ifndef INCLUDE_AVAILABLE_MODULES_ONLY
+  #define HAVE_OPENCV_CALIB3D
+  #define HAVE_OPENCV_FEATURES2D
+  #define HAVE_OPENCV_FLANN
+  #define HAVE_OPENCV_HIGHGUI
+  // #define HAVE_OPENCV_IMGCODECS
+  #define HAVE_OPENCV_IMGPROC
+  #define HAVE_OPENCV_ML
+  #define HAVE_OPENCV_OBJDETECT
+  #define HAVE_OPENCV_PHOTO
+  #define HAVE_OPENCV_SHAPE
+  #define HAVE_OPENCV_STITCHING
+  #define HAVE_OPENCV_SUPERRES
+  #define HAVE_OPENCV_VIDEO
+  #define HAVE_OPENCV_VIDEOIO
+  #define HAVE_OPENCV_VIDEOSTAB
+  #define HAVE_OPENCV_VIZ
 #endif
 
 #include <string.h>

src/VideoCaptureWrap.cc

@@ -4,6 +4,8 @@
 
 #include  <iostream>
 
+#ifdef HAVE_OPENCV_VIDEOIO
+
 Nan::Persistent<FunctionTemplate> VideoCaptureWrap::constructor;
 
 struct videocapture_baton {
@@ -36,6 +38,7 @@ void VideoCaptureWrap::Init(Local<Object> target) {
   Nan::SetPrototypeMethod(ctor, "getFrameAt", GetFrameAt);
   Nan::SetPrototypeMethod(ctor, "getFrameCount", GetFrameCount);
   Nan::SetPrototypeMethod(ctor, "getFPS", GetFPS);
+  Nan::SetPrototypeMethod(ctor, "setFPS", SetFPS);
   Nan::SetPrototypeMethod(ctor, "release", Release);
   Nan::SetPrototypeMethod(ctor, "ReadSync", ReadSync);
   Nan::SetPrototypeMethod(ctor, "grab", Grab);
@@ -125,6 +128,21 @@ NAN_METHOD(VideoCaptureWrap::GetFPS) {
   info.GetReturnValue().Set(Nan::New<Number>(fps)); 
 }
 
+NAN_METHOD(VideoCaptureWrap::SetFPS) {
+  Nan::HandleScope scope;
+  VideoCaptureWrap *v = Nan::ObjectWrap::Unwrap<VideoCaptureWrap>(info.This());
+
+  if (info.Length() > 0) {
+    if (info[0]->IsNumber()) {
+        int fps = info[0]->IntegerValue();
+        v->cap.set(CV_CAP_PROP_FPS, fps);
+    }
+  }
+  
+  int fps = int(v->cap.get(CV_CAP_PROP_FPS));
+
+  info.GetReturnValue().Set(Nan::New<Number>(fps)); 
+}
 
 NAN_METHOD(VideoCaptureWrap::GetHeight) {
   Nan::HandleScope scope;
@@ -311,3 +329,5 @@ NAN_METHOD(VideoCaptureWrap::Retrieve) {
 
   return;
 }
+
+#endif

src/VideoCaptureWrap.h

@@ -1,5 +1,7 @@
 #include "OpenCV.h"
 
+#ifdef HAVE_OPENCV_VIDEOIO
+
 class VideoCaptureWrap: public Nan::ObjectWrap {
 public:
   cv::VideoCapture cap;
@@ -30,9 +32,12 @@ public:
   static NAN_METHOD(GetFrameCount);
 
   static NAN_METHOD(GetFPS);
+  static NAN_METHOD(SetFPS);
 
   static NAN_METHOD(GetFrameAt);
 
   // release the stream
   static NAN_METHOD(Release);
 };
+
+#endif

src/VideoWriterWrap.cc

@@ -4,6 +4,8 @@
 
 #include  <iostream>
 
+#ifdef HAVE_OPENCV_VIDEOIO
+
 Nan::Persistent<FunctionTemplate> VideoWriterWrap::constructor;
 
 struct videowriter_baton {
@@ -150,3 +152,4 @@ NAN_METHOD(VideoWriterWrap::WriteSync) {
     info.GetReturnValue().Set(Nan::Null());
 }
 
+#endif

src/VideoWriterWrap.h

@@ -1,5 +1,7 @@
 #include "OpenCV.h"
 
+#ifdef HAVE_OPENCV_VIDEOIO
+
 class VideoWriterWrap: public Nan::ObjectWrap {
 public:
   cv::VideoWriter writer;
@@ -16,3 +18,5 @@ public:
   // release the stream
   static NAN_METHOD(Release);
 };
+
+#endif

src/init.cc

@@ -24,23 +24,39 @@ extern "C" void init(Local<Object> target) {
 
   Point::Init(target);
   Matrix::Init(target);
+#ifdef HAVE_OPENCV_OBJDETECT
   CascadeClassifierWrap::Init(target);
+#endif
+#ifdef HAVE_OPENCV_VIDEOIO
   VideoCaptureWrap::Init(target);
   VideoWriterWrap::Init(target);
+#endif
   Contour::Init(target);
+#ifdef HAVE_OPENCV_VIDEO
   TrackedObject::Init(target);
+#endif
+#ifdef HAVE_OPENCV_HIGHGUI
   NamedWindow::Init(target);
+#endif
   Constants::Init(target);
+#ifdef HAVE_OPENCV_CALIB3D
   Calib3D::Init(target);
+#endif
+#ifdef HAVE_OPENCV_IMGPROC
   ImgProc::Init(target);
   Histogram::Init(target);
+#endif
 #if CV_MAJOR_VERSION < 3
   StereoBM::Init(target);
   StereoSGBM::Init(target);
   StereoGC::Init(target);
 #if CV_MAJOR_VERSION == 2 && CV_MINOR_VERSION >=4
-  BackgroundSubtractorWrap::Init(target);
-  Features::Init(target);
+  #ifdef HAVE_OPENCV_VIDEO
+    BackgroundSubtractorWrap::Init(target);
+  #endif
+  #ifdef HAVE_OPENCV_FEATURES2D
+    Features::Init(target);
+  #endif
   LDAWrap::Init(target);
 #endif
 #endif