| 184 | } |
| 185 | |
| 186 | static void decode_mb(MadContext *t, int inter) |
| 187 | { |
| 188 | MpegEncContext *s = &t->s; |
| 189 | int mv_map = 0; |
| 190 | int mv_x, mv_y; |
| 191 | int j; |
| 192 | |
| 193 | if (inter) { |
| 194 | int v = decode210(&s->gb); |
| 195 | if (v < 2) { |
| 196 | mv_map = v ? get_bits(&s->gb, 6) : 63; |
| 197 | mv_x = decode_motion(&s->gb); |
| 198 | mv_y = decode_motion(&s->gb); |
| 199 | } else { |
| 200 | mv_map = 0; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | for (j=0; j<6; j++) { |
| 205 | if (mv_map & (1<<j)) { // mv_x and mv_y are guarded by mv_map |
| 206 | int add = 2*decode_motion(&s->gb); |
| 207 | comp_block(t, s->mb_x, s->mb_y, j, mv_x, mv_y, add); |
| 208 | } else { |
| 209 | s->dsp.clear_block(t->block); |
| 210 | decode_block_intra(t, t->block); |
| 211 | idct_put(t, t->block, s->mb_x, s->mb_y, j); |
| 212 | } |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | static void calc_intra_matrix(MadContext *t, int qscale) |
| 217 | { |
no test coverage detected