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Don't assume a camera

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This commit is contained in:
Peter Braden 2014-10-15 20:59:46 +02:00
parent 1659f7ef1a
commit a62456f47b
2 changed files with 46 additions and 39 deletions
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4
examples/camera.js
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@ -1,5 +1,6 @@
var cv = require('../lib/opencv'); var cv = require('../lib/opencv');
try {
var camera = new cv.VideoCapture(0); var camera = new cv.VideoCapture(0);
var window = new cv.NamedWindow('Video', 0) var window = new cv.NamedWindow('Video', 0)
/* /*
@ -14,3 +15,6 @@ setInterval(function() {
}); });
}, 20); }, 20);
*/ */
} catch (e){
console.log("Couldn't start camera:", e)
}

5
examples/take-face-pics.js
View File

@ -1,9 +1,9 @@
var cv = require('../lib/opencv'); var cv = require('../lib/opencv');
try {
var vid = new cv.VideoCapture(0); var vid = new cv.VideoCapture(0);
vid.read(function(err, im){ vid.read(function(err, im){
if (err) throw err; if (err) throw err;
if (im.size()[0] > 0 && im.size()[1] > 0){ if (im.size()[0] > 0 && im.size()[1] > 0){
im.detectObject(cv.FACE_CASCADE, {}, function(err, faces){ im.detectObject(cv.FACE_CASCADE, {}, function(err, faces){
@ -27,3 +27,6 @@ vid.read(function(err, im){
console.log("Camera didn't return image") console.log("Camera didn't return image")
} }
}); });
} catch (e){
console.log("Couldn't start camera", e)
}