/// find location of the timestamp and copy it to the frame_pars structure
///==================================
longtimestamp_start=(cur_pointer)+((jpeg_len+CCAM_MMAP_META+3)&(~0x1f))+32-CCAM_MMAP_META_SEC;//! magic shift - should index first byte of the time stamp
if(timestamp_start>=buffer_length)
longtimestamp_start=(cur_pointer)+((jpeg_len+CCAM_MMAP_META+3)&(~0x1f))+32-CCAM_MMAP_META_SEC;//! magic shift - should index first byte of the time stamp