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usbcvstream example: Print error from GrabFrame.

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This commit is contained in:
Peter Johnson
2016-12-02 23:43:35 -08:00
parent b5fd15e052
commit 81fd0eefac
1 changed files with 4 additions and 1 deletions
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5
examples/usbcvstream/usbcvstream.cpp
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@@ -19,8 +19,11 @@ int main() {
cv::Mat flip;
for (;;) {
uint64_t time = cvsink.GrabFrame(test);
if (time == 0) {
std::cout << "error: " << cvsink.GetError() << std::endl;
continue;
}
std::cout << "got frame at time " << time << " size " << test.size() << std::endl;
if (time == 0) continue;
cv::flip(test, flip, 0);
cvsource.PutFrame(flip);
}