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Check mapping errors in getLastVPXImage

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Tux3 / Mlkj / !Lev.uXFMLA 2014-07-02 22:17:39 +02:00
parent 34e25ec474
commit 677e1ce688
1 changed files with 5 additions and 1 deletions
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6
widget/camera.cpp
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@ -217,7 +217,11 @@ vpx_image Camera::getLastVPXImage()
vpx_image img;
if (!lastFrame.isValid())
return img;
lastFrame.map(QAbstractVideoBuffer::ReadOnly);
if (!lastFrame.map(QAbstractVideoBuffer::ReadOnly))
{
qWarning() << "Camera::getLastVPXImage: Error maping last frame";
return img;
}
int w = lastFrame.width(), h = lastFrame.height();
int bpl = lastFrame.bytesPerLine();
vpx_img_alloc(&img, VPX_IMG_FMT_I420, w, h, 1); // I420 == YUV420P, same as YV12 with U and V switched