public static unsafe CodecError DecodeFile(Stream input, out ImageData output)
{
StreamIOCallbacks streamCallbacks = new StreamIOCallbacks(input);
IOCallbacks callbacks = new IOCallbacks()
{
Read = new ReadDelegate(streamCallbacks.Read),
Write = new WriteDelegate(streamCallbacks.Write),
Seek = new SeekDelegate(streamCallbacks.Seek)
};
CodecError result;
if (IntPtr.Size == 8)
{
result = IO_x64.DecodeFile(callbacks, out output);
}
else
{
result = IO_x86.DecodeFile(callbacks, out output);
}
GC.KeepAlive(callbacks);
GC.KeepAlive(streamCallbacks);
return(result);
}
public static void FreeImageData(ref ImageData data)
{
if (IntPtr.Size == 8)
{
IO_x64.FreeImageData(ref data);
}
else
{
IO_x86.FreeImageData(ref data);
}
}
public static void EncodeFile(IntPtr inData, int width, int height, int stride, int channelCount, EncodeParams parameters, Stream output)
{
StreamIOCallbacks streamCallbacks = new StreamIOCallbacks(output);
IOCallbacks callbacks = new IOCallbacks()
{
Read = new ReadDelegate(streamCallbacks.Read),
Write = new WriteDelegate(streamCallbacks.Write),
Seek = new SeekDelegate(streamCallbacks.Seek)
};
CodecError result;
if (IntPtr.Size == 8)
{
result = IO_x64.EncodeFile(inData, width, height, stride, channelCount, parameters, callbacks);
}
else
{
result = IO_x86.EncodeFile(inData, width, height, stride, channelCount, parameters, callbacks);
}
GC.KeepAlive(callbacks);
GC.KeepAlive(streamCallbacks);
if (result != CodecError.Ok)
{
string message = string.Empty;
switch (result)
{
case CodecError.InitFailed:
message = Resources.InitFailed;
break;
case CodecError.OutOfMemory:
throw new OutOfMemoryException();
case CodecError.EncodeFailure:
message = Resources.EncodeFailure;
break;
case CodecError.ImageBufferWrite:
message = Resources.ImageBufferWrite;
break;
}
throw new FormatException(message);
}
}
