static ffmpeg()
{
var loadedLibraries = new Dictionary <string, IntPtr>();
GetOrLoadLibrary = (name, version) =>
{
var key = $"{name}{version}";
if (loadedLibraries.TryGetValue(key, out var ptr))
{
return(ptr);
}
ptr = LibraryLoader.LoadNativeLibraryUsingPlatformNamingConvention(abs_path, name, version);
loadedLibraries.Add(key, ptr);
return(ptr);
};
CloseLibrary = (name, version) => {
var key = $"{name}{version}";
bool ret = false;
if (loadedLibraries.TryGetValue(key, out var ptr))
{
ret = LibraryLoader.UnloadLibrary(ptr);
loadedLibraries.Remove(key);
}
return(ret);
};
}
static ffmpeg()
{
var loadedLibraries = new Dictionary <string, IntPtr>();
GetOrLoadLibrary = (name, version) =>
{
var key = $"{name}{version}";
if (loadedLibraries.TryGetValue(key, out var ptr))
{
return(ptr);
}
lock (SyncRoot)
{
if (loadedLibraries.TryGetValue(key, out ptr))
{
return(ptr);
}
ptr = LibraryLoader.LoadNativeLibraryUsingPlatformNamingConvention(RootPath, name, version);
loadedLibraries.Add(key, ptr);
}
return(ptr);
};
}
static ffmpeg()
{
var loadedLibraries = new Dictionary <string, IntPtr>();
GetOrLoadLibrary = (name, version) =>
{
var key = $"{name}{version}";
if (loadedLibraries.TryGetValue(key, out var ptr))
{
return(ptr);
}
lock (SyncRoot)
{
if (loadedLibraries.TryGetValue(key, out ptr))
{
return(ptr);
}
ptr = LibraryLoader.LoadNativeLibraryUsingPlatformNamingConvention(RootPath, name, version);
if (ptr == IntPtr.Zero)
{
throw new DllNotFoundException($"Unable to load DLL '{name}.{version}': The specified module could not be found.");
}
loadedLibraries.Add(key, ptr);
}
return(ptr);
};
}
/// <summary>
/// Loads the library from the specified path.
/// </summary>
/// <param name="basePath">The base path.</param>
/// <returns>True if the registration was successful</returns>
/// <exception cref="InvalidOperationException">When library has already been loaded.</exception>
public bool Load(string basePath)
{
lock (LoadLock)
{
if (Reference != IntPtr.Zero)
{
throw new InvalidOperationException($"Library {Name} was already loaded.");
}
var result = LibraryLoader.LoadNativeLibraryUsingPlatformNamingConvention(basePath, Name, Version);
if (result != IntPtr.Zero)
{
Reference = result;
BasePath = basePath;
LoadErrorCode = 0;
return(true);
}
return(false);
}
}