restoring binary compatibility

diff --git a/modules/java/generator/src/cpp/videocap_compat.cpp b/modules/java/generator/src/cpp/videocap_compat.cpp
new file mode 100644 (file)
index 0000000..4c4e64b
--- /dev/null
+++ b/modules/java/generator/src/cpp/videocap_compat.cpp
@@ -0,0 +1,173 @@
+// emulating the 'old' JNI names existed before the VideoCapture wrapping became automatic
+
+#define LOG_TAG "org.opencv.highgui.VideoCapture"
+#include "common.h"
+
+#include "opencv2/opencv_modules.hpp"
+#ifdef HAVE_OPENCV_HIGHGUI
+
+#include "opencv2/core/version.hpp"
+
+#if (CV_VERSION_EPOCH == 2) && (CV_VERSION_MAJOR == 4)
+extern "C" {
+
+JNIEXPORT jlong JNICALL Java_org_opencv_highgui_VideoCapture_n_1VideoCapture__
+  (JNIEnv* env, jclass c);
+
+JNIEXPORT jlong JNICALL Java_org_opencv_highgui_VideoCapture_VideoCapture_10 (JNIEnv*, jclass);
+
+JNIEXPORT jlong JNICALL Java_org_opencv_highgui_VideoCapture_n_1VideoCapture__
+  (JNIEnv* env, jclass c)
+{
+    return Java_org_opencv_highgui_VideoCapture_VideoCapture_10(env, c);
+}
+
+
+JNIEXPORT jlong JNICALL Java_org_opencv_highgui_VideoCapture_n_1VideoCapture__I
+  (JNIEnv* env, jclass c, jint device);
+
+JNIEXPORT jlong JNICALL Java_org_opencv_highgui_VideoCapture_VideoCapture_12 (JNIEnv*, jclass, jint);
+
+JNIEXPORT jlong JNICALL Java_org_opencv_highgui_VideoCapture_n_1VideoCapture__I
+  (JNIEnv* env, jclass c, jint device)
+{
+    return Java_org_opencv_highgui_VideoCapture_VideoCapture_12(env, c, device);
+}
+
+
+JNIEXPORT jdouble JNICALL Java_org_opencv_highgui_VideoCapture_n_1get
+  (JNIEnv* env, jclass c, jlong self, jint propId);
+
+JNIEXPORT jdouble JNICALL Java_org_opencv_highgui_VideoCapture_get_10 (JNIEnv*, jclass, jlong, jint);
+
+JNIEXPORT jdouble JNICALL Java_org_opencv_highgui_VideoCapture_n_1get
+  (JNIEnv* env, jclass c, jlong self, jint propId)
+{
+    return Java_org_opencv_highgui_VideoCapture_get_10(env, c, self, propId);
+}
+
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1grab
+  (JNIEnv* env, jclass c, jlong self);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_grab_10 (JNIEnv*, jclass, jlong);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1grab
+  (JNIEnv* env, jclass c, jlong self)
+{
+    return Java_org_opencv_highgui_VideoCapture_grab_10(env, c, self);
+}
+
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1isOpened
+  (JNIEnv* env, jclass c, jlong self);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_isOpened_10 (JNIEnv*, jclass, jlong);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1isOpened
+  (JNIEnv* env, jclass c, jlong self)
+{
+    return Java_org_opencv_highgui_VideoCapture_isOpened_10(env, c, self);
+}
+
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1open__JI
+  (JNIEnv* env, jclass c, jlong self, jint device);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_open_11 (JNIEnv*, jclass, jlong, jint);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1open__JI
+  (JNIEnv* env, jclass c, jlong self, jint device)
+{
+    return Java_org_opencv_highgui_VideoCapture_open_11(env, c, self, device);
+}
+
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1read
+  (JNIEnv* env, jclass c, jlong self, jlong image_nativeObj);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_read_10 (JNIEnv*, jclass, jlong, jlong);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1read
+  (JNIEnv* env, jclass c, jlong self, jlong image_nativeObj)
+{
+    return Java_org_opencv_highgui_VideoCapture_read_10(env, c, self, image_nativeObj);
+}
+
+
+JNIEXPORT void JNICALL Java_org_opencv_highgui_VideoCapture_n_1release
+  (JNIEnv* env, jclass c, jlong self);
+
+JNIEXPORT void JNICALL Java_org_opencv_highgui_VideoCapture_release_10 (JNIEnv*, jclass, jlong);
+
+JNIEXPORT void JNICALL Java_org_opencv_highgui_VideoCapture_n_1release
+  (JNIEnv* env, jclass c, jlong self)
+{
+    Java_org_opencv_highgui_VideoCapture_release_10(env, c, self);
+}
+
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1retrieve__JJI
+  (JNIEnv* env, jclass c, jlong self, jlong image_nativeObj, jint channel);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_retrieve_10 (JNIEnv*, jclass, jlong, jlong, jint);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1retrieve__JJI
+  (JNIEnv* env, jclass c, jlong self, jlong image_nativeObj, jint channel)
+{
+    return Java_org_opencv_highgui_VideoCapture_retrieve_10(env, c, self, image_nativeObj, channel);
+}
+
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1retrieve__JJ
+  (JNIEnv* env, jclass c, jlong self, jlong image_nativeObj);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_retrieve_11 (JNIEnv*, jclass, jlong, jlong);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1retrieve__JJ
+  (JNIEnv* env, jclass c, jlong self, jlong image_nativeObj)
+{
+    return Java_org_opencv_highgui_VideoCapture_retrieve_11(env, c, self, image_nativeObj);
+}
+
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1set
+  (JNIEnv* env, jclass c, jlong self, jint propId, jdouble value);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_set_10 (JNIEnv*, jclass, jlong, jint, jdouble);
+
+JNIEXPORT jboolean JNICALL Java_org_opencv_highgui_VideoCapture_n_1set
+  (JNIEnv* env, jclass c, jlong self, jint propId, jdouble value)
+{
+    return Java_org_opencv_highgui_VideoCapture_set_10(env, c, self, propId, value);
+}
+
+
+JNIEXPORT jstring JNICALL Java_org_opencv_highgui_VideoCapture_n_1getSupportedPreviewSizes
+  (JNIEnv *env, jclass c, jlong self);
+
+JNIEXPORT jstring JNICALL Java_org_opencv_highgui_VideoCapture_getSupportedPreviewSizes_10
+  (JNIEnv *env, jclass, jlong self);
+
+JNIEXPORT jstring JNICALL Java_org_opencv_highgui_VideoCapture_n_1getSupportedPreviewSizes
+  (JNIEnv *env, jclass c, jlong self)
+{
+    return Java_org_opencv_highgui_VideoCapture_getSupportedPreviewSizes_10(env, c, self);
+}
+
+
+JNIEXPORT void JNICALL Java_org_opencv_highgui_VideoCapture_n_1delete
+  (JNIEnv *env, jclass c, jlong self);
+
+JNIEXPORT void JNICALL Java_org_opencv_highgui_VideoCapture_delete(JNIEnv*, jclass, jlong);
+
+JNIEXPORT void JNICALL Java_org_opencv_highgui_VideoCapture_n_1delete
+  (JNIEnv *env, jclass c, jlong self)
+{
+    Java_org_opencv_highgui_VideoCapture_delete(env, c, self);
+}
+
+
+} // extern "C"
+#endif // (CV_VERSION_EPOCH == 2) && (CV_VERSION_MAJOR == 4)
+#endif // HAVE_OPENCV_HIGHGUI