Method byteSwapBuffer

src/backends/RtAudio/RtAudio.cpp:11697–11779

//static inline uint64_t bswap_64(uint64_t x) { return (((unsigned long long)bswap_32(x&0xffffffffull))<<32) | (bswap_32(x>>32)); }

void RtApi ::byteSwapBuffer(char * buffer, unsigned int samples, RtAudioFormat format)
{
    char val;
    char * ptr;

    ptr = buffer;
    if (format == RTAUDIO_SINT16)
    {
        for (unsigned int i = 0; i < samples; i++)
        {
            // Swap 1st and 2nd bytes.
            val = *(ptr);
            *(ptr) = *(ptr + 1);
            *(ptr + 1) = val;

            // Increment 2 bytes.
            ptr += 2;
        }
    }
    else if (format == RTAUDIO_SINT32 || format == RTAUDIO_FLOAT32)
    {
        for (unsigned int i = 0; i < samples; i++)
        {
            // Swap 1st and 4th bytes.
            val = *(ptr);
            *(ptr) = *(ptr + 3);
            *(ptr + 3) = val;

            // Swap 2nd and 3rd bytes.
            ptr += 1;
            val = *(ptr);
            *(ptr) = *(ptr + 1);
            *(ptr + 1) = val;

            // Increment 3 more bytes.
            ptr += 3;
        }
    }
    else if (format == RTAUDIO_SINT24)
    {
        for (unsigned int i = 0; i < samples; i++)
        {
            // Swap 1st and 3rd bytes.
            val = *(ptr);
            *(ptr) = *(ptr + 2);
            *(ptr + 2) = val;

            // Increment 2 more bytes.
            ptr += 2;
        }
    }
    else if (format == RTAUDIO_FLOAT64)
    {
        for (unsigned int i = 0; i < samples; i++)
        {
            // Swap 1st and 8th bytes
            val = *(ptr);
            *(ptr) = *(ptr + 7);