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Fixed bug: reverse video image (was showing upside down)

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This commit is contained in:
Tats
2014-05-02 00:24:15 -04:00
parent 7cc816f625
commit 2574841b9c
1 changed files with 13 additions and 3 deletions
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MediaImpl.cpp
+13 -3
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@@ -105,9 +105,10 @@ bool MediaImpl::_videoPull()
_width = width;
_height = height;
int size = _width * _height;
if (!_data)
_data = (uchar*)calloc(_width * _height, sizeof(uchar*));
_data = (uchar*)calloc(size, sizeof(uchar*));
// video->resize(width, height);
@@ -117,10 +118,19 @@ bool MediaImpl::_videoPull()
// qDebug() << "Buffer size: " << GST_BUFFER_SIZE(buffer) << endl;
if (bpp == 32)
memcpy(_data, GST_BUFFER_DATA(buffer), _width * _height * 4);
memcpy(_data, GST_BUFFER_DATA(buffer), size * 4);
else
convert24to32(_data, GST_BUFFER_DATA(buffer), _width * _height);
convert24to32(_data, GST_BUFFER_DATA(buffer), size);
// Reverse data.
uint* ptr = (uint*)_data;
for (int i=0, j=size-1; i<size/2; i++, j--) {
uint tmp = ptr[i];
ptr[i] = ptr[j];
ptr[j] = tmp;
}
// Free buffer.
gst_buffer_unref (buffer);
return true;