static inline int decode_bytes(const uint8_t* inbuffer, uint8_t* out, int bytes){

    int i, off;

    uint32_t c;

    const uint32_t* buf;

    uint32_t* obuf = (uint32_t*) out;

    











    off = (intptr_t)inbuffer & 3;

    buf = (const uint32_t*) (inbuffer - off);

    c = av_be2ne32((0x37c511f2 >> (off*8)) | (0x37c511f2 << (32-(off*8))));

    bytes += 3 + off;

    for (i = 0; i < bytes/4; i++)

        obuf[i] = c ^ buf[i];



    return off;

}
