Merge branch 'unstable' into trackhat

* unstable:
cmake: cleanup hydra
rename gui directory
move to subdirectory-based build system
cmake: switch to GNU CC 5.2.0 in mingw-w64 toolchain file
rift-080: forgot ovr_Initialize()
rift 025: fix name

1 files changed, 51 insertions, 0 deletions

diff --git a/tracker-ht/ht-api.h b/tracker-ht/ht-api.h
new file mode 100644
index 00000000..4629a00b
--- /dev/null
+++ b/tracker-ht/ht-api.h
@@ -0,0 +1,51 @@
+#pragma once
+#ifndef HT_API
+#   if defined(_WIN32) && !defined(MINGW)
+#     define HT_API(t) __declspec(dllexport) t __stdcall
+#   else
+#    define HT_API(t) t
+#   endif
+#endif
+#if !defined(_WIN32) && !defined(_isnan)
+#  define _isnan isnan
+#endif
+#include <opencv2/core.hpp>
+#include <opencv2/highgui.hpp>
+struct ht_context;
+typedef struct ht_context headtracker_t;
+
+typedef struct ht_config {
+    float field_of_view;
+    float classification_delay;
+    int   pyrlk_pyramids;
+    int   pyrlk_win_size_w;
+    int   pyrlk_win_size_h;
+    float ransac_max_inlier_error;
+    float ransac_max_reprojection_error;
+    int   max_keypoints;
+    float keypoint_distance;
+    int   force_width;
+    int   force_height;
+    int   force_fps;
+    int   camera_index;
+    bool  debug;
+    int   ransac_num_iters;
+    float ransac_min_features;
+    float ransac_max_mean_error;
+    float ransac_abs_max_mean_error;
+    float flandmark_delay;
+    double dist_coeffs[5];
+} ht_config_t;
+
+typedef struct {
+    double rotx, roty, rotz;
+    double tx, ty, tz;
+    bool filled;
+} ht_result_t;
+
+HT_API(headtracker_t*) ht_make_context(const ht_config_t* config, const char* filename);
+HT_API(void) ht_free_context(headtracker_t* ctx);
+HT_API(const cv::Mat) ht_get_bgr_frame(headtracker_t* ctx);
+HT_API(bool) ht_cycle(headtracker_t* ctx, ht_result_t* euler);
+HT_API(void) ht_reset(headtracker_t* ctx);
+HT_API(cv::VideoCapture*) ht_capture(headtracker_t* ctx);