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void* split_to_interleaved(char *dest, size_t byteWidth, size_t size, int numSources, ...) {
// Setup variable arguments
va_list source;
va_start(source, numSources);
// Copy data to dest making it interleaved
for (size_t i = 0; i < size * byteWidth; i += byteWidth)
for (size_t j = 0; j < numSources; j++)
memcpy(dest+i*numSources+j*byteWidth, va_arg(source, char*)+i, byteWidth);
// End variable arguments
va_end(source);
return dest;
}
void* interleaved_to_split(const char *source, size_t byteWidth, size_t size, int numDests, ...) {
// Setup variable arguments
va_list dest;
va_start(dest, numDests);
// Copy data to dest making it split
for (size_t i = 0; i < size * byteWidth; i += byteWidth)
for (size_t j = 0; j < numDests; j++)
memcpy(va_arg(dest, char*)+i, source+i*numDests+j*byteWidth, byteWidth);
return dest;
}
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