583     int dc_pred_dir = 0; /* Direction of the DC prediction used */  in vc1_decode_i_block()  local
608     dcdiff += vc1_i_pred_dc(&v->s, v->overlap, v->pq, n, &dc_val, &dc_pred_dir);  in vc1_decode_i_block()
620     if (dc_pred_dir) // left  in vc1_decode_i_block()
636             if (!dc_pred_dir)  in vc1_decode_i_block()
656             if (dc_pred_dir) { // left  in vc1_decode_i_block()
687             if (dc_pred_dir) { //left  in vc1_decode_i_block()
721     int dc_pred_dir = 0; /* Direction of the DC prediction used */  in vc1_decode_i_block_adv()  local
752 …diff += ff_vc1_pred_dc(&v->s, v->overlap, quant, n, v->a_avail, v->c_avail, &dc_val, &dc_pred_dir);  in vc1_decode_i_block_adv()
770     if (dc_pred_dir) // left  in vc1_decode_i_block_adv()
778     else if (dc_pred_dir) {  in vc1_decode_i_block_adv()
802                 if (!dc_pred_dir) // top  in vc1_decode_i_block_adv()
827             if (dc_pred_dir) { // left  in vc1_decode_i_block_adv()
869             if (dc_pred_dir) { // left  in vc1_decode_i_block_adv()
912     int dc_pred_dir = 0; /* Direction of the DC prediction used */  in vc1_decode_intra_block()  local
952     dcdiff += ff_vc1_pred_dc(&v->s, v->overlap, quant, n, a_avail, c_avail, &dc_val, &dc_pred_dir);  in vc1_decode_intra_block()
967     if (!a_avail) dc_pred_dir = 1;  in vc1_decode_intra_block()
968     if (!c_avail) dc_pred_dir = 0;  in vc1_decode_intra_block()
975     if (dc_pred_dir) //left  in vc1_decode_intra_block()
981     if (dc_pred_dir && c_avail && mb_pos)  in vc1_decode_intra_block()
983     if (!dc_pred_dir && a_avail && mb_pos >= s->mb_stride)  in vc1_decode_intra_block()
985     if (dc_pred_dir && n == 1)  in vc1_decode_intra_block()
987     if (!dc_pred_dir && n == 2)  in vc1_decode_intra_block()
1006                     if (!dc_pred_dir) // top  in vc1_decode_intra_block()
1025                 if (dc_pred_dir) { // left  in vc1_decode_intra_block()
1033                 if (dc_pred_dir) { // left  in vc1_decode_intra_block()
1061         if (dc_pred_dir) { // left  in vc1_decode_intra_block()
1091             if (dc_pred_dir) { // left  in vc1_decode_intra_block()