clear boarder center pic if not xres x yres fix all yuv g_funcs add mil cont buf switch between inputs teletext load pix for decoding imp nagra color ? block integration better sorting (no QSort) c2end +-1 error (up_limit not correct) imp black line det up/down limit and orientation check in block merge keep limit and orintation (or unknowenness) during merge loop keep block list sorted (use linked list) buffer for buffer-freeness (0-32) imp vc color ? FFT use chroma and luma for edge det asm opt fix 24-bits ? check modifications during prog