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Add simple FPS counter to QZXingLive example

This commit is contained in:
Milian Wolff 2016-12-19 11:32:20 +01:00
parent 69e05c1ff1
commit 0e10d8aeca
1 changed files with 15 additions and 1 deletions
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16
examples/QZXingLive/main.qml
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@ -34,6 +34,15 @@ ApplicationWindow
z: 50 z: 50
text: "Tags detected: " + detectedTags text: "Tags detected: " + detectedTags
} }
Text
{
id: fps
font.pixelSize: 20
anchors.top: parent.top
anchors.right: parent.right
z: 50
text: (1000 / zxingFilter.timePerFrameDecode).toFixed(0) + "fps"
}
Camera Camera
{ {
@ -103,9 +112,14 @@ ApplicationWindow
// console.log("started"); // console.log("started");
} }
property int framesDecoded: 0
property real timePerFrameDecode: 0
onDecodingFinished: onDecodingFinished:
{ {
console.log("frame finished: " + succeeded, decodeTime); timePerFrameDecode = (decodeTime + framesDecoded * timePerFrameDecode) / (framesDecoded + 1);
framesDecoded++;
console.log("frame finished: " + succeeded, decodeTime, timePerFrameDecode, framesDecoded);
} }
} }