Initial community commit

Src/replicant/nsid3v2/util.h

@@ -0,0 +1,28 @@
+#pragma once
+#include "foundation/types.h"
+
+namespace ID3v2
+{
+	namespace Util
+	{	
+		/* pass a value you read as if it was a 32bit integer */
+		uint32_t Int28To32(uint32_t val);
+
+		uint32_t Int32To28(uint32_t val);
+
+		// returns input bytes used
+		size_t UnsynchroniseTo(void *output, const void *input, size_t output_bytes);
+
+		// returns number of real bytes required to read 'bytes' data
+		size_t UnsynchronisedInputSize(const void *input, size_t output_bytes);
+
+		
+		size_t UnsynchronisedOutputSize(const void *input, size_t input_bytes);
+
+		// returns output bytes used
+		size_t SynchroniseTo(void *output, const void *input, size_t bytes);
+
+		// returns number of bytes required to store synchronized version of 'data' (bytes long)
+		size_t SynchronisedSize(const void *data, size_t bytes);
+	}
+}