Lines Matching refs:prev_dc
364 int codebook = 3, code, dc, prev_dc, delta, sign, new_sign;
366 prev_dc = (blocks[0] - 0x4000) / scale;
367 encode_vlc_codeword(pb, FIRST_DC_CB, MAKE_CODE(prev_dc));
374 delta = dc - prev_dc;
382 prev_dc = dc;
608 int codebook = 3, code, dc, prev_dc, delta, sign, new_sign;
611 prev_dc = (blocks[0] - 0x4000) / scale;
612 bits = estimate_vlc(FIRST_DC_CB, MAKE_CODE(prev_dc));
621 delta = dc - prev_dc;
629 prev_dc = dc;