change: Switch to offical OpenFX Support. Still can't compile.

2025-09-03 21:14:56 +08:00
parent 7ff76427f9
commit b649b5e1bd
198 changed files with 57444 additions and 980 deletions
@@ -0,0 +1,104 @@
+
+
+#include "ofxhBinary.h"
+
+using namespace OFX;
+
+Binary::Binary(const std::string &binaryPath): _binaryPath(binaryPath), _invalid(false), _dlHandle(0), _users(0)
+{
+  struct stat sb;
+  if (stat(binaryPath.c_str(), &sb) != 0) {
+    _invalid = true;
+    _time = 0;
+    _size = 0;
+  } 
+  else {
+    _time = sb.st_mtime;
+    _size = sb.st_size;
+  }
+}
+
+
+// actually open the binary.
+void Binary::load() 
+{
+  if(_invalid)
+    return;
+
+#if defined (UNIX)
+  _dlHandle = dlopen(_binaryPath.c_str(), RTLD_LAZY|RTLD_LOCAL);
+#else
+  _dlHandle = LoadLibrary(_binaryPath.c_str());
+#endif
+  if (_dlHandle == 0) {
+#if defined (UNIX)
+    std::cerr << "couldn't open library " << _binaryPath << " because " << dlerror() << std::endl;
+#else
+    LPVOID lpMsgBuf = NULL;
+    DWORD err = GetLastError();
+
+    FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
+      FORMAT_MESSAGE_FROM_SYSTEM |
+      FORMAT_MESSAGE_IGNORE_INSERTS,
+      NULL,
+      err,
+      MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+      (LPTSTR) &lpMsgBuf,
+      0, NULL);
+
+    std::cerr << "couldn't open library " << _binaryPath << " because " << (char*)lpMsgBuf << " was returned" << std::endl;
+    if (lpMsgBuf != NULL) {
+      LocalFree(lpMsgBuf);
+    }
+#endif
+    _invalid = true;
+  }
+}
+
+/// close the binary
+void Binary::unload() {
+  if (_dlHandle != 0) {
+#if defined (UNIX)
+    dlclose(_dlHandle);
+#elif defined (WINDOWS)
+    FreeLibrary(_dlHandle);
+#endif
+    _dlHandle = 0;
+  }
+}
+
+/// look up a symbol in the binary file and return it as a pointer.
+/// returns null pointer if not found, or if the library is not loaded.
+void *Binary::findSymbol(const std::string &symbol) {
+  if (_dlHandle != 0) {
+#if defined(UNIX)
+    return dlsym(_dlHandle, symbol.c_str());
+#elif defined (WINDOWS)
+    return (void*)GetProcAddress(_dlHandle, symbol.c_str());
+#endif
+  } else {
+    return 0;
+  }
+}
+
+
+void Binary::ref()
+{
+  if (_users == 0) {
+    load();
+  }
+  _users++;
+}
+
+void Binary::unref()
+{
+  _users--;
+  if (_users == 0) {
+    unload();
+  }
+  if (_users < 0) {
+    _users = 0;
+  }
+}
+
+