MYNT-EYE-S-SDK/samples/tutorials/data/get_from_callbacks.cc

147 lines
4.3 KiB
C++
Raw Normal View History

2018-05-11 06:35:48 +03:00
// Copyright 2018 Slightech Co., Ltd. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <opencv2/highgui/highgui.hpp>
#include <glog/logging.h>
#include <atomic>
#include <memory>
#include <mutex>
#include <sstream>
#include "mynteye/api.h"
#include "data/cv_painter.h"
MYNTEYE_USE_NAMESPACE
int main(int argc, char *argv[]) {
auto &&api = API::Create(argc, argv);
// Attention: must not block the callbacks.
2018-05-11 08:08:55 +03:00
// Get left image from callback
2018-05-11 06:35:48 +03:00
std::atomic_uint left_count(0);
api->SetStreamCallback(
Stream::LEFT, [&left_count](const api::StreamData &data) {
CHECK_NOTNULL(data.img);
++left_count;
// LOG(INFO) << Stream::LEFT << ", count: " << left_count;
// LOG(INFO) << " frame_id: " << data.img->frame_id
// << ", timestamp: " << data.img->timestamp
// << ", exposure_time: " << data.img->exposure_time;
});
2018-05-11 08:08:55 +03:00
// Get depth image from callback
2018-05-11 06:35:48 +03:00
api->EnableStreamData(Stream::DEPTH);
std::atomic_uint depth_count(0);
cv::Mat depth;
std::mutex depth_mtx;
api->SetStreamCallback(
Stream::DEPTH,
[&depth_count, &depth, &depth_mtx](const api::StreamData &data) {
UNUSED(data)
++depth_count;
{
std::lock_guard<std::mutex> _(depth_mtx);
depth = data.frame;
}
// LOG(INFO) << Stream::DEPTH << ", count: " << depth_count;
});
// Get motion data from callback
std::atomic_uint imu_count(0);
std::shared_ptr<mynteye::ImuData> imu;
std::mutex imu_mtx;
api->SetMotionCallback(
[&imu_count, &imu, &imu_mtx](const api::MotionData &data) {
CHECK_NOTNULL(data.imu);
++imu_count;
{
std::lock_guard<std::mutex> _(imu_mtx);
imu = data.imu;
}
// LOG(INFO) << "Imu count: " << imu_count;
// LOG(INFO) << " frame_id: " << data.imu->frame_id
// << ", timestamp: " << data.imu->timestamp
// << ", accel_x: " << data.imu->accel[0]
// << ", accel_y: " << data.imu->accel[1]
// << ", accel_z: " << data.imu->accel[2]
// << ", gyro_x: " << data.imu->gyro[0]
// << ", gyro_y: " << data.imu->gyro[1]
// << ", gyro_z: " << data.imu->gyro[2]
// << ", temperature: " << data.imu->temperature;
});
api->Start(Source::ALL);
CVPainter painter;
cv::namedWindow("frame");
cv::namedWindow("depth");
unsigned int depth_num = 0;
2018-05-11 06:35:48 +03:00
while (true) {
api->WaitForStreams();
auto &&left_data = api->GetStreamData(Stream::LEFT);
auto &&right_data = api->GetStreamData(Stream::RIGHT);
// Concat left and right as img
cv::Mat img;
cv::hconcat(left_data.frame, right_data.frame, img);
// Draw img data and size
painter.DrawImgData(img, *left_data.img);
// Draw imu data
if (imu) {
std::lock_guard<std::mutex> _(imu_mtx);
painter.DrawImuData(img, *imu);
}
// Draw counts
std::ostringstream ss;
ss << "left: " << left_count << ", depth: " << depth_count
<< ", imu: " << imu_count;
painter.DrawText(img, ss.str(), CVPainter::BOTTOM_RIGHT);
// Show img
cv::imshow("frame", img);
// Show depth
if (!depth.empty()) {
// Is the depth a new one?
if (depth_num != depth_count || depth_num == 0) {
std::lock_guard<std::mutex> _(depth_mtx);
depth_num = depth_count;
// LOG(INFO) << "depth_num: " << depth_num;
ss.str("");
ss.clear();
ss << "depth: " << depth_count;
painter.DrawText(depth, ss.str());
cv::imshow("depth", depth); // CV_16UC1
}
2018-05-11 06:35:48 +03:00
}
char key = static_cast<char>(cv::waitKey(1));
if (key == 27 || key == 'q' || key == 'Q') { // ESC/Q
break;
}
}
api->Stop(Source::ALL);
return 0;
}