| int abs (int); |
| int find_sad_16x16(int *intra_mode) |
| { |
| int current_intra_sad_2,best_intra_sad2; |
| int M1[16][16],M0[4][4][4][4],M3[4],M4[4][4]; |
| int i,j,k; |
| int ii,jj; |
| int up_avail, left_avail, left_up_avail; |
| for (i=0;i<17;i++) |
| if (left_up_avail) |
| { |
| for (jj=0;jj<4;jj++) |
| for (ii=0;ii<4;ii++) |
| for (j=0;j<4;j++) |
| for (i=0;i<4;i++) |
| { |
| M0[i][ii][2][jj]=M3[0]-M3[1]; |
| M0[i][ii][1][jj]=M3[2]+M3[3]; |
| current_intra_sad_2 += abs(M0[i][ii][j][jj]); |
| } |
| |
| if(current_intra_sad_2 < best_intra_sad2) |
| best_intra_sad2=current_intra_sad_2; |
| } |
| } |
