static int alloc_tables(H264Context *h){ MpegEncContext * const s = &h->s; const int big_mb_num= s->mb_stride * (s->mb_height+1); int x,y; CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8 * sizeof(uint8_t)) CHECKED_ALLOCZ(h->non_zero_count , big_mb_num * 16 * sizeof(uint8_t)) CHECKED_ALLOCZ(h->slice_table_base , (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base)) CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t)) CHECKED_ALLOCZ(h->chroma_pred_mode_table, big_mb_num * sizeof(uint8_t)) CHECKED_ALLOCZ(h->mvd_table[0], 32*big_mb_num * sizeof(uint16_t)); CHECKED_ALLOCZ(h->mvd_table[1], 32*big_mb_num * sizeof(uint16_t)); CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t)); memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride) * sizeof(*h->slice_table_base)); h->slice_table= h->slice_table_base + s->mb_stride*2 + 1; CHECKED_ALLOCZ(h->mb2b_xy , big_mb_num * sizeof(uint32_t)); CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t)); for(y=0; y<s->mb_height; y++){ for(x=0; x<s->mb_width; x++){ const int mb_xy= x + y*s->mb_stride; const int b_xy = 4*x + 4*y*h->b_stride; const int b8_xy= 2*x + 2*y*h->b8_stride; h->mb2b_xy [mb_xy]= b_xy; h->mb2b8_xy[mb_xy]= b8_xy; } } s->obmc_scratchpad = NULL; if(!h->dequant4_coeff[0]) init_dequant_tables(h); return 0; fail: free_tables(h); return -1; }