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Show depth if new in get_from_callbacks

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This commit is contained in:
John Zhao 2018-05-11 13:23:04 +08:00
parent 8b7e43d76d
commit 76d12ccec7
1 changed files with 12 additions and 6 deletions
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18
samples/tutorials/data/get_from_callbacks.cc
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@ -91,6 +91,7 @@ int main(int argc, char *argv[]) {
cv::namedWindow("frame"); cv::namedWindow("frame");
cv::namedWindow("depth"); cv::namedWindow("depth");
unsigned int depth_num = 0;
while (true) { while (true) {
api->WaitForStreams(); api->WaitForStreams();
@ -121,12 +122,17 @@ int main(int argc, char *argv[]) {
// Show depth // Show depth
if (!depth.empty()) { if (!depth.empty()) {
std::lock_guard<std::mutex> _(depth_mtx); // Is the depth a new one?
ss.str(""); if (depth_num != depth_count || depth_num == 0) {
ss.clear(); std::lock_guard<std::mutex> _(depth_mtx);
ss << "depth: " << depth_count; depth_num = depth_count;
painter.DrawText(depth, ss.str()); // LOG(INFO) << "depth_num: " << depth_num;
cv::imshow("depth", depth); // CV_16UC1 ss.str("");
ss.clear();
ss << "depth: " << depth_count;
painter.DrawText(depth, ss.str());
cv::imshow("depth", depth); // CV_16UC1
}
} }
char key = static_cast<char>(cv::waitKey(1)); char key = static_cast<char>(cv::waitKey(1));