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1_user_asynchronous_output.cpp
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// ------------------------- OpenPose Library Tutorial - Wrapper - Example 3 - Asynchronous Output -------------------------
// Asynchronous output mode: ideal for fast prototyping when performance is not an issue and user wants to use the output OpenPose format. The user
// simply gets the processed frames from the OpenPose wrapper when he desires to.
// This example shows the user how to use the OpenPose wrapper class:
// 1. Read folder of images / video / webcam
// 2. Extract and render keypoint / heatmap / PAF of that image
// 3. Save the results on disk
// 4. User displays the rendered pose
// Everything in a multi-thread scenario
// In addition to the previous OpenPose modules, we also need to use:
// 1. `core` module:
// For the Array<float> class that the `pose` module needs
// For the Datum struct that the `thread` module sends between the queues
// 2. `utilities` module: for the error & logging functions, i.e. op::error & op::log respectively
// This file should only be used for the user to take specific examples.
// C++ std library dependencies
#include <chrono> // `std::chrono::` functions and classes, e.g. std::chrono::milliseconds
#include <thread> // std::this_thread
// Other 3rdparty dependencies
// GFlags: DEFINE_bool, _int32, _int64, _uint64, _double, _string
#include <gflags/gflags.h>
// Allow Google Flags in Ubuntu 14
#ifndef GFLAGS_GFLAGS_H_
namespace gflags = google;
#endif
// OpenPose dependencies
#include <openpose/headers.hpp>
// See all the available parameter options withe the `--help` flag. E.g. `build/examples/openpose/openpose.bin --help`
// Note: This command will show you flags for other unnecessary 3rdparty files. Check only the flags for the OpenPose
// executable. E.g. for `openpose.bin`, look for `Flags from examples/openpose/openpose.cpp:`.
// Debugging/Other
DEFINE_int32(logging_level, 3, "The logging level. Integer in the range [0, 255]. 0 will output any log() message, while"
" 255 will not output any. Current OpenPose library messages are in the range 0-4: 1 for"
" low priority messages and 4 for important ones.");
DEFINE_bool(disable_multi_thread, false, "It would slightly reduce the frame rate in order to highly reduce the lag. Mainly useful"
" for 1) Cases where it is needed a low latency (e.g. webcam in real-time scenarios with"
" low-range GPU devices); and 2) Debugging OpenPose when it is crashing to locate the"
" error.");
DEFINE_int32(profile_speed, 1000, "If PROFILER_ENABLED was set in CMake or Makefile.config files, OpenPose will show some"
" runtime statistics at this frame number.");
// Producer
DEFINE_int32(camera, -1, "The camera index for cv::VideoCapture. Integer in the range [0, 9]. Select a negative"
" number (by default), to auto-detect and open the first available camera.");
DEFINE_string(camera_resolution, "-1x-1", "Set the camera resolution (either `--camera` or `--flir_camera`). `-1x-1` will use the"
" default 1280x720 for `--camera`, or the maximum flir camera resolution available for"
" `--flir_camera`");
DEFINE_double(camera_fps, 30.0, "Frame rate for the webcam (only used when saving video from webcam). Set this value to the"
" minimum value between the OpenPose displayed speed and the webcam real frame rate.");
DEFINE_string(video, "", "Use a video file instead of the camera. Use `examples/media/video.avi` for our default"
" example video.");
DEFINE_string(image_dir, "", "Process a directory of images. Use `examples/media/` for our default example folder with 20"
" images. Read all standard formats (jpg, png, bmp, etc.).");
DEFINE_int32(image_dir_stereo, 1, "Complementary option to `--image_dir`. OpenPose will read as many images per iteration,"
" allowing tasks such as stereo camera processing. Note that `--camera_parameters_folder`"
" must be set. OpenPose must find as many `xml` files in the parameter folder as this"
" number indicates.");
DEFINE_bool(flir_camera, false, "Whether to use FLIR (Point-Grey) stereo camera.");
DEFINE_string(ip_camera, "", "String with the IP camera URL. It supports protocols like RTSP and HTTP.");
DEFINE_uint64(frame_first, 0, "Start on desired frame number. Indexes are 0-based, i.e. the first frame has index 0.");
DEFINE_uint64(frame_last, -1, "Finish on desired frame number. Select -1 to disable. Indexes are 0-based, e.g. if set to"
" 10, it will process 11 frames (0-10).");
DEFINE_bool(frame_flip, false, "Flip/mirror each frame (e.g. for real time webcam demonstrations).");
DEFINE_int32(frame_rotate, 0, "Rotate each frame, 4 possible values: 0, 90, 180, 270.");
DEFINE_bool(frames_repeat, false, "Repeat frames when finished.");
DEFINE_bool(process_real_time, false, "Enable to keep the original source frame rate (e.g. for video). If the processing time is"
" too long, it will skip frames. If it is too fast, it will slow it down.");
DEFINE_string(camera_parameter_folder, "models/cameraParameters/flir/", "String with the folder where the camera parameters are located.");
// OpenPose
DEFINE_string(model_folder, "models/", "Folder path (absolute or relative) where the models (pose, face, ...) are located.");
DEFINE_string(output_resolution, "-1x-1", "The image resolution (display and output). Use \"-1x-1\" to force the program to use the"
" input image resolution.");
DEFINE_int32(num_gpu, -1, "The number of GPU devices to use. If negative, it will use all the available GPUs in your"
" machine.");
DEFINE_int32(num_gpu_start, 0, "GPU device start number.");
DEFINE_int32(keypoint_scale, 0, "Scaling of the (x,y) coordinates of the final pose data array, i.e. the scale of the (x,y)"
" coordinates that will be saved with the `write_keypoint` & `write_keypoint_json` flags."
" Select `0` to scale it to the original source resolution, `1`to scale it to the net output"
" size (set with `net_resolution`), `2` to scale it to the final output size (set with"
" `resolution`), `3` to scale it in the range [0,1], and 4 for range [-1,1]. Non related"
" with `scale_number` and `scale_gap`.");
DEFINE_int32(number_people_max, -1, "This parameter will limit the maximum number of people detected, by keeping the people with"
" top scores. The score is based in person area over the image, body part score, as well as"
" joint score (between each pair of connected body parts). Useful if you know the exact"
" number of people in the scene, so it can remove false positives (if all the people have"
" been detected. However, it might also include false negatives by removing very small or"
" highly occluded people. -1 will keep them all.");
// OpenPose Body Pose
DEFINE_bool(body_disable, false, "Disable body keypoint detection. Option only possible for faster (but less accurate) face"
" keypoint detection.");
DEFINE_string(model_pose, "COCO", "Model to be used. E.g. `COCO` (18 keypoints), `MPI` (15 keypoints, ~10% faster), "
"`MPI_4_layers` (15 keypoints, even faster but less accurate).");
DEFINE_string(net_resolution, "-1x368", "Multiples of 16. If it is increased, the accuracy potentially increases. If it is"
" decreased, the speed increases. For maximum speed-accuracy balance, it should keep the"
" closest aspect ratio possible to the images or videos to be processed. Using `-1` in"
" any of the dimensions, OP will choose the optimal aspect ratio depending on the user's"
" input value. E.g. the default `-1x368` is equivalent to `656x368` in 16:9 resolutions,"
" e.g. full HD (1980x1080) and HD (1280x720) resolutions.");
DEFINE_int32(scale_number, 1, "Number of scales to average.");
DEFINE_double(scale_gap, 0.3, "Scale gap between scales. No effect unless scale_number > 1. Initial scale is always 1."
" If you want to change the initial scale, you actually want to multiply the"
" `net_resolution` by your desired initial scale.");
// OpenPose Body Pose Heatmaps and Part Candidates
DEFINE_bool(heatmaps_add_parts, false, "If true, it will fill op::Datum::poseHeatMaps array with the body part heatmaps, and"
" analogously face & hand heatmaps to op::Datum::faceHeatMaps & op::Datum::handHeatMaps."
" If more than one `add_heatmaps_X` flag is enabled, it will place then in sequential"
" memory order: body parts + bkg + PAFs. It will follow the order on"
" POSE_BODY_PART_MAPPING in `src/openpose/pose/poseParameters.cpp`. Program speed will"
" considerably decrease. Not required for OpenPose, enable it only if you intend to"
" explicitly use this information later.");
DEFINE_bool(heatmaps_add_bkg, false, "Same functionality as `add_heatmaps_parts`, but adding the heatmap corresponding to"
" background.");
DEFINE_bool(heatmaps_add_PAFs, false, "Same functionality as `add_heatmaps_parts`, but adding the PAFs.");
DEFINE_int32(heatmaps_scale, 2, "Set 0 to scale op::Datum::poseHeatMaps in the range [-1,1], 1 for [0,1]; 2 for integer"
" rounded [0,255]; and 3 for no scaling.");
DEFINE_bool(part_candidates, false, "Also enable `write_json` in order to save this information. If true, it will fill the"
" op::Datum::poseCandidates array with the body part candidates. Candidates refer to all"
" the detected body parts, before being assembled into people. Note that the number of"
" candidates is equal or higher than the number of final body parts (i.e. after being"
" assembled into people). The empty body parts are filled with 0s. Program speed will"
" slightly decrease. Not required for OpenPose, enable it only if you intend to explicitly"
" use this information.");
// OpenPose Face
DEFINE_bool(face, false, "Enables face keypoint detection. It will share some parameters from the body pose, e.g."
" `model_folder`. Note that this will considerable slow down the performance and increse"
" the required GPU memory. In addition, the greater number of people on the image, the"
" slower OpenPose will be.");
DEFINE_string(face_net_resolution, "368x368", "Multiples of 16 and squared. Analogous to `net_resolution` but applied to the face keypoint"
" detector. 320x320 usually works fine while giving a substantial speed up when multiple"
" faces on the image.");
// OpenPose Hand
DEFINE_bool(hand, false, "Enables hand keypoint detection. It will share some parameters from the body pose, e.g."
" `model_folder`. Analogously to `--face`, it will also slow down the performance, increase"
" the required GPU memory and its speed depends on the number of people.");
DEFINE_string(hand_net_resolution, "368x368", "Multiples of 16 and squared. Analogous to `net_resolution` but applied to the hand keypoint"
" detector.");
DEFINE_int32(hand_scale_number, 1, "Analogous to `scale_number` but applied to the hand keypoint detector. Our best results"
" were found with `hand_scale_number` = 6 and `hand_scale_range` = 0.4.");
DEFINE_double(hand_scale_range, 0.4, "Analogous purpose than `scale_gap` but applied to the hand keypoint detector. Total range"
" between smallest and biggest scale. The scales will be centered in ratio 1. E.g. if"
" scaleRange = 0.4 and scalesNumber = 2, then there will be 2 scales, 0.8 and 1.2.");
DEFINE_bool(hand_tracking, false, "Adding hand tracking might improve hand keypoints detection for webcam (if the frame rate"
" is high enough, i.e. >7 FPS per GPU) and video. This is not person ID tracking, it"
" simply looks for hands in positions at which hands were located in previous frames, but"
" it does not guarantee the same person ID among frames.");
// OpenPose 3-D Reconstruction
DEFINE_bool(3d, false, "Running OpenPose 3-D reconstruction demo: 1) Reading from a stereo camera system."
" 2) Performing 3-D reconstruction from the multiple views. 3) Displaying 3-D reconstruction"
" results. Note that it will only display 1 person. If multiple people is present, it will"
" fail.");
// OpenPose Rendering
DEFINE_int32(part_to_show, 0, "Prediction channel to visualize (default: 0). 0 for all the body parts, 1-18 for each body"
" part heat map, 19 for the background heat map, 20 for all the body part heat maps"
" together, 21 for all the PAFs, 22-40 for each body part pair PAF.");
DEFINE_bool(disable_blending, false, "If enabled, it will render the results (keypoint skeletons or heatmaps) on a black"
" background, instead of being rendered into the original image. Related: `part_to_show`,"
" `alpha_pose`, and `alpha_pose`.");
// OpenPose Rendering Pose
DEFINE_double(render_threshold, 0.05, "Only estimated keypoints whose score confidences are higher than this threshold will be"
" rendered. Generally, a high threshold (> 0.5) will only render very clear body parts;"
" while small thresholds (~0.1) will also output guessed and occluded keypoints, but also"
" more false positives (i.e. wrong detections).");
DEFINE_int32(render_pose, -1, "Set to 0 for no rendering, 1 for CPU rendering (slightly faster), and 2 for GPU rendering"
" (slower but greater functionality, e.g. `alpha_X` flags). If -1, it will pick CPU if"
" CPU_ONLY is enabled, or GPU if CUDA is enabled. If rendering is enabled, it will render"
" both `outputData` and `cvOutputData` with the original image and desired body part to be"
" shown (i.e. keypoints, heat maps or PAFs).");
DEFINE_double(alpha_pose, 0.6, "Blending factor (range 0-1) for the body part rendering. 1 will show it completely, 0 will"
" hide it. Only valid for GPU rendering.");
DEFINE_double(alpha_heatmap, 0.7, "Blending factor (range 0-1) between heatmap and original frame. 1 will only show the"
" heatmap, 0 will only show the frame. Only valid for GPU rendering.");
// OpenPose Rendering Face
DEFINE_double(face_render_threshold, 0.4, "Analogous to `render_threshold`, but applied to the face keypoints.");
DEFINE_int32(face_render, -1, "Analogous to `render_pose` but applied to the face. Extra option: -1 to use the same"
" configuration that `render_pose` is using.");
DEFINE_double(face_alpha_pose, 0.6, "Analogous to `alpha_pose` but applied to face.");
DEFINE_double(face_alpha_heatmap, 0.7, "Analogous to `alpha_heatmap` but applied to face.");
// OpenPose Rendering Hand
DEFINE_double(hand_render_threshold, 0.2, "Analogous to `render_threshold`, but applied to the hand keypoints.");
DEFINE_int32(hand_render, -1, "Analogous to `render_pose` but applied to the hand. Extra option: -1 to use the same"
" configuration that `render_pose` is using.");
DEFINE_double(hand_alpha_pose, 0.6, "Analogous to `alpha_pose` but applied to hand.");
DEFINE_double(hand_alpha_heatmap, 0.7, "Analogous to `alpha_heatmap` but applied to hand.");
// Result Saving
DEFINE_string(write_images, "", "Directory to write rendered frames in `write_images_format` image format.");
DEFINE_string(write_images_format, "png", "File extension and format for `write_images`, e.g. png, jpg or bmp. Check the OpenCV"
" function cv::imwrite for all compatible extensions.");
DEFINE_string(write_video, "", "Full file path to write rendered frames in motion JPEG video format. It might fail if the"
" final path does not finish in `.avi`. It internally uses cv::VideoWriter.");
DEFINE_string(write_json, "", "Directory to write OpenPose output in JSON format. It includes body, hand, and face pose"
" keypoints (2-D and 3-D), as well as pose candidates (if `--part_candidates` enabled).");
DEFINE_string(write_coco_json, "", "Full file path to write people pose data with JSON COCO validation format.");
DEFINE_string(write_heatmaps, "", "Directory to write body pose heatmaps in PNG format. At least 1 `add_heatmaps_X` flag"
" must be enabled.");
DEFINE_string(write_heatmaps_format, "png", "File extension and format for `write_heatmaps`, analogous to `write_images_format`."
" For lossless compression, recommended `png` for integer `heatmaps_scale` and `float` for"
" floating values.");
DEFINE_string(write_keypoint, "", "(Deprecated, use `write_json`) Directory to write the people pose keypoint data. Set format"
" with `write_keypoint_format`.");
DEFINE_string(write_keypoint_format, "yml", "(Deprecated, use `write_json`) File extension and format for `write_keypoint`: json, xml,"
" yaml & yml. Json not available for OpenCV < 3.0, use `write_keypoint_json` instead.");
DEFINE_string(write_keypoint_json, "", "(Deprecated, use `write_json`) Directory to write people pose data in JSON format,"
" compatible with any OpenCV version.");
// If the user needs his own variables, he can inherit the op::Datum struct and add them
// UserDatum can be directly used by the OpenPose wrapper because it inherits from op::Datum, just define
// Wrapper<UserDatum> instead of Wrapper<op::Datum>
struct UserDatum : public op::Datum
{
bool boolThatUserNeedsForSomeReason;
UserDatum(const bool boolThatUserNeedsForSomeReason_ = false) :
boolThatUserNeedsForSomeReason{boolThatUserNeedsForSomeReason_}
{}
};
// The W-classes can be implemented either as a template or as simple classes given
// that the user usually knows which kind of data he will move between the queues,
// in this case we assume a std::shared_ptr of a std::vector of UserDatum
// This worker will just read and return all the jpg files in a directory
class UserOutputClass
{
public:
bool display(const std::shared_ptr<std::vector<UserDatum>>& datumsPtr)
{
// User's displaying/saving/other processing here
// datum.cvOutputData: rendered frame with pose or heatmaps
// datum.poseKeypoints: Array<float> with the estimated pose
char key = ' ';
if (datumsPtr != nullptr && !datumsPtr->empty())
{
cv::imshow("User worker GUI", datumsPtr->at(0).cvOutputData);
// Display image and sleeps at least 1 ms (it usually sleeps ~5-10 msec to display the image)
key = (char)cv::waitKey(1);
}
else
op::log("Nullptr or empty datumsPtr found.", op::Priority::High, __LINE__, __FUNCTION__, __FILE__);
return (key == 27);
}
void printKeypoints(const std::shared_ptr<std::vector<UserDatum>>& datumsPtr)
{
// Example: How to use the pose keypoints
if (datumsPtr != nullptr && !datumsPtr->empty())
{
op::log("\nKeypoints:");
// Accesing each element of the keypoints
const auto& poseKeypoints = datumsPtr->at(0).poseKeypoints;
op::log("Person pose keypoints:");
for (auto person = 0 ; person < poseKeypoints.getSize(0) ; person++)
{
op::log("Person " + std::to_string(person) + " (x, y, score):");
for (auto bodyPart = 0 ; bodyPart < poseKeypoints.getSize(1) ; bodyPart++)
{
std::string valueToPrint;
for (auto xyscore = 0 ; xyscore < poseKeypoints.getSize(2) ; xyscore++)
{
valueToPrint += std::to_string( poseKeypoints[{person, bodyPart, xyscore}] ) + " ";
}
op::log(valueToPrint);
}
}
op::log(" ");
// Alternative: just getting std::string equivalent
op::log("Face keypoints: " + datumsPtr->at(0).faceKeypoints.toString());
op::log("Left hand keypoints: " + datumsPtr->at(0).handKeypoints[0].toString());
op::log("Right hand keypoints: " + datumsPtr->at(0).handKeypoints[1].toString());
// Heatmaps
const auto& poseHeatMaps = datumsPtr->at(0).poseHeatMaps;
if (!poseHeatMaps.empty())
{
op::log("Pose heatmaps size: [" + std::to_string(poseHeatMaps.getSize(0)) + ", "
+ std::to_string(poseHeatMaps.getSize(1)) + ", "
+ std::to_string(poseHeatMaps.getSize(2)) + "]");
const auto& faceHeatMaps = datumsPtr->at(0).faceHeatMaps;
op::log("Face heatmaps size: [" + std::to_string(faceHeatMaps.getSize(0)) + ", "
+ std::to_string(faceHeatMaps.getSize(1)) + ", "
+ std::to_string(faceHeatMaps.getSize(2)) + ", "
+ std::to_string(faceHeatMaps.getSize(3)) + "]");
const auto& handHeatMaps = datumsPtr->at(0).handHeatMaps;
op::log("Left hand heatmaps size: [" + std::to_string(handHeatMaps[0].getSize(0)) + ", "
+ std::to_string(handHeatMaps[0].getSize(1)) + ", "
+ std::to_string(handHeatMaps[0].getSize(2)) + ", "
+ std::to_string(handHeatMaps[0].getSize(3)) + "]");
op::log("Right hand heatmaps size: [" + std::to_string(handHeatMaps[1].getSize(0)) + ", "
+ std::to_string(handHeatMaps[1].getSize(1)) + ", "
+ std::to_string(handHeatMaps[1].getSize(2)) + ", "
+ std::to_string(handHeatMaps[1].getSize(3)) + "]");
}
}
else
op::log("Nullptr or empty datumsPtr found.", op::Priority::High, __LINE__, __FUNCTION__, __FILE__);
}
};
int openPoseTutorialWrapper1()
{
// logging_level
op::check(0 <= FLAGS_logging_level && FLAGS_logging_level <= 255, "Wrong logging_level value.",
__LINE__, __FUNCTION__, __FILE__);
op::ConfigureLog::setPriorityThreshold((op::Priority)FLAGS_logging_level);
op::Profiler::setDefaultX(FLAGS_profile_speed);
op::log("Starting pose estimation demo.", op::Priority::High);
const auto timerBegin = std::chrono::high_resolution_clock::now();
// Applying user defined configuration - Google flags to program variables
// outputSize
const auto outputSize = op::flagsToPoint(FLAGS_output_resolution, "-1x-1");
// netInputSize
const auto netInputSize = op::flagsToPoint(FLAGS_net_resolution, "-1x368");
// faceNetInputSize
const auto faceNetInputSize = op::flagsToPoint(FLAGS_face_net_resolution, "368x368 (multiples of 16)");
// handNetInputSize
const auto handNetInputSize = op::flagsToPoint(FLAGS_hand_net_resolution, "368x368 (multiples of 16)");
// producerType
const auto producerSharedPtr = op::flagsToProducer(FLAGS_image_dir, FLAGS_video, FLAGS_ip_camera, FLAGS_camera,
FLAGS_flir_camera, FLAGS_camera_resolution, FLAGS_camera_fps,
FLAGS_camera_parameter_folder,
(unsigned int) FLAGS_image_dir_stereo);
// poseModel
const auto poseModel = op::flagsToPoseModel(FLAGS_model_pose);
// JSON saving
const auto writeJson = (!FLAGS_write_json.empty() ? FLAGS_write_json : FLAGS_write_keypoint_json);
if (!FLAGS_write_keypoint.empty() || !FLAGS_write_keypoint_json.empty())
op::log("Flags `write_keypoint` and `write_keypoint_json` are deprecated and will eventually be removed."
" Please, use `write_json` instead.", op::Priority::Max);
// keypointScale
const auto keypointScale = op::flagsToScaleMode(FLAGS_keypoint_scale);
// heatmaps to add
const auto heatMapTypes = op::flagsToHeatMaps(FLAGS_heatmaps_add_parts, FLAGS_heatmaps_add_bkg,
FLAGS_heatmaps_add_PAFs);
const auto heatMapScale = op::flagsToHeatMapScaleMode(FLAGS_heatmaps_scale);
// Enabling Google Logging
const bool enableGoogleLogging = true;
// Logging
op::log("", op::Priority::Low, __LINE__, __FUNCTION__, __FILE__);
// Configure OpenPose
op::log("Configuring OpenPose wrapper.", op::Priority::Low, __LINE__, __FUNCTION__, __FILE__);
op::Wrapper<std::vector<UserDatum>> opWrapper{op::ThreadManagerMode::AsynchronousOut};
// Pose configuration (use WrapperStructPose{} for default and recommended configuration)
const op::WrapperStructPose wrapperStructPose{!FLAGS_body_disable, netInputSize, outputSize, keypointScale,
FLAGS_num_gpu, FLAGS_num_gpu_start, FLAGS_scale_number,
(float)FLAGS_scale_gap, op::flagsToRenderMode(FLAGS_render_pose, FLAGS_3d),
poseModel, !FLAGS_disable_blending, (float)FLAGS_alpha_pose,
(float)FLAGS_alpha_heatmap, FLAGS_part_to_show, FLAGS_model_folder,
heatMapTypes, heatMapScale, FLAGS_part_candidates,
(float)FLAGS_render_threshold, FLAGS_number_people_max,
enableGoogleLogging, FLAGS_3d};
// Face configuration (use op::WrapperStructFace{} to disable it)
const op::WrapperStructFace wrapperStructFace{FLAGS_face, faceNetInputSize,
op::flagsToRenderMode(FLAGS_face_render, FLAGS_3d, FLAGS_render_pose),
(float)FLAGS_face_alpha_pose, (float)FLAGS_face_alpha_heatmap,
(float)FLAGS_face_render_threshold};
// Hand configuration (use op::WrapperStructHand{} to disable it)
const op::WrapperStructHand wrapperStructHand{FLAGS_hand, handNetInputSize, FLAGS_hand_scale_number,
(float)FLAGS_hand_scale_range, FLAGS_hand_tracking,
op::flagsToRenderMode(FLAGS_hand_render, FLAGS_3d, FLAGS_render_pose),
(float)FLAGS_hand_alpha_pose, (float)FLAGS_hand_alpha_heatmap,
(float)FLAGS_hand_render_threshold};
// Producer (use default to disable any input)
const op::WrapperStructInput wrapperStructInput{producerSharedPtr, FLAGS_frame_first, FLAGS_frame_last,
FLAGS_process_real_time, FLAGS_frame_flip, FLAGS_frame_rotate,
FLAGS_frames_repeat};
// Consumer (comment or use default argument to disable any output)
const auto displayMode = op::DisplayMode::NoDisplay;
const bool guiVerbose = false;
const bool fullScreen = false;
const op::WrapperStructOutput wrapperStructOutput{displayMode, guiVerbose, fullScreen, FLAGS_write_keypoint,
op::stringToDataFormat(FLAGS_write_keypoint_format),
writeJson, FLAGS_write_coco_json,
FLAGS_write_images, FLAGS_write_images_format, FLAGS_write_video,
FLAGS_write_heatmaps, FLAGS_write_heatmaps_format};
// Configure wrapper
opWrapper.configure(wrapperStructPose, wrapperStructFace, wrapperStructHand, wrapperStructInput,
wrapperStructOutput);
// Set to single-thread running (to debug and/or reduce latency)
if (FLAGS_disable_multi_thread)
opWrapper.disableMultiThreading();
op::log("Starting thread(s)", op::Priority::High);
opWrapper.start();
// User processing
UserOutputClass userOutputClass;
bool userWantsToExit = false;
while (!userWantsToExit)
{
// Pop frame
std::shared_ptr<std::vector<UserDatum>> datumProcessed;
if (opWrapper.waitAndPop(datumProcessed))
{
userWantsToExit = userOutputClass.display(datumProcessed);;
userOutputClass.printKeypoints(datumProcessed);
}
else
op::log("Processed datum could not be emplaced.", op::Priority::High, __LINE__, __FUNCTION__, __FILE__);
}
op::log("Stopping thread(s)", op::Priority::High);
opWrapper.stop();
// Measuring total time
const auto now = std::chrono::high_resolution_clock::now();
const auto totalTimeSec = (double)std::chrono::duration_cast<std::chrono::nanoseconds>(now-timerBegin).count()
* 1e-9;
const auto message = "Real-time pose estimation demo successfully finished. Total time: "
+ std::to_string(totalTimeSec) + " seconds.";
op::log(message, op::Priority::High);
return 0;
}
int main(int argc, char *argv[])
{
// Parsing command line flags
gflags::ParseCommandLineFlags(&argc, &argv, true);
// Running openPoseTutorialWrapper1
return openPoseTutorialWrapper1();
}