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WAVEHDR* AudioPlayer::allocateBlocks(int size, int count)
{
        unsigned char* buffer;
        int i;
        WAVEHDR* blocks;
        DWORD totalBufferSize = (size + sizeof(WAVEHDR)) * count;
        /*
         * allocate memory for the entire set in one go
         */
        if((buffer = (unsigned char *)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, totalBufferSize)) == NULL)
        {
                fprintf(stderr, "Memory allocation error\n");
                ExitProcess(1);
        }
        /*
         * and set up the pointers to each bit
         */
        blocks = (WAVEHDR*)buffer;
        buffer += sizeof(WAVEHDR) * count;
        for(i = 0; i < count; i++)
        {
                blocks[i].dwBufferLength = size;
                blocks[i].lpData = (LPSTR)buffer;
                buffer += size;
        }
        return blocks;
}