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[Fix] Add an option to flip webcam inputs for pose tracker demo #1725

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merged 1 commit into from
Feb 7, 2023
Merged

[Fix] Add an option to flip webcam inputs for pose tracker demo #1725

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5 changes: 3 additions & 2 deletions demo/csrc/cpp/pose_tracker.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ DEFINE_string(device, "cpu", "Device name, e.g. \"cpu\", \"cuda\"");
DEFINE_string(output, "", "Output video path or format string");

DEFINE_int32(output_size, 0, "Long-edge of output frames");
DEFINE_int32(flip, 0, "Set to 1 for flipping the input horizontally");
DEFINE_int32(show, 1, "Delay passed to `cv::waitKey` when using `cv::imshow`; -1: disable");

DEFINE_string(skeleton, "coco", R"(Path to skeleton data or name of predefined skeletons: "coco")");
Expand All @@ -38,7 +39,7 @@ int main(int argc, char* argv[]) {
// create a tracker state for each video
mmdeploy::PoseTracker::State state = tracker.CreateState(params);

utils::mediaio::Input input(ARGS_input);
utils::mediaio::Input input(ARGS_input, FLAGS_flip);
utils::mediaio::Output output(FLAGS_output, FLAGS_show);

utils::Visualize v(FLAGS_output_size);
Expand All @@ -59,7 +60,7 @@ int main(int argc, char* argv[]) {

// write to output stream
if (!output.write(sess.get())) {
// user requested exit by pressing 'q'
// user requested exit by pressing ESC
break;
}
}
Expand Down
13 changes: 9 additions & 4 deletions demo/csrc/cpp/utils/mediaio.h
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Original file line number Diff line number Diff line change
Expand Up @@ -154,8 +154,8 @@ class BatchInputIterator {

class Input {
public:
explicit Input(const std::string& path, MediaType type = MediaType::kUnknown)
: path_(path), type_(type) {
explicit Input(const std::string& path, bool flip = false, MediaType type = MediaType::kUnknown)
: path_(path), flip_(flip), type_(type) {
if (type_ == MediaType::kUnknown) {
auto ext = detail::get_extension(path);
if (detail::is_image(ext)) {
Expand Down Expand Up @@ -212,6 +212,9 @@ class Input {
}
}
}
if (flip_ && !img.empty()) {
cv::flip(img, img, 1);
}
return img;
}

Expand Down Expand Up @@ -270,8 +273,9 @@ class Input {
}

private:
MediaType type_{MediaType::kUnknown};
std::string path_;
bool flip_{};
MediaType type_{MediaType::kUnknown};
std::vector<std::string> items_;
cv::VideoCapture cap_;
size_t index_{};
Expand Down Expand Up @@ -350,7 +354,7 @@ class Output {
}
if (show_ >= 0) {
cv::imshow("", frame);
exit = cv::waitKey(show_) == 'q';
exit = cv::waitKey(show_) == 27; // ESC
}
++frame_id_;
return !exit;
Expand Down Expand Up @@ -385,4 +389,5 @@ OutputIterator& OutputIterator::operator=(const cv::Mat& frame) {

} // namespace mediaio
} // namespace utils

#endif // MMDEPLOY_MEDIAIO_H