static int init_duplicate_context(MpegEncContext *s, MpegEncContext *base){ int i; // edge emu needs blocksize + filter length - 1 (=17x17 for halfpel / 21x21 for h264) CHECKED_ALLOCZ(s->allocated_edge_emu_buffer, (s->width+64)*2*21*2); //(width + edge + align)*interlaced*MBsize*tolerance s->edge_emu_buffer= s->allocated_edge_emu_buffer + (s->width+64)*2*21; //FIXME should be linesize instead of s->width*2 but that is not known before get_buffer() CHECKED_ALLOCZ(s->me.scratchpad, (s->width+64)*4*16*2*sizeof(uint8_t)) s->me.temp= s->me.scratchpad; s->rd_scratchpad= s->me.scratchpad; s->b_scratchpad= s->me.scratchpad; s->obmc_scratchpad= s->me.scratchpad + 16; if (s->encoding) { CHECKED_ALLOCZ(s->me.map , ME_MAP_SIZE*sizeof(uint32_t)) CHECKED_ALLOCZ(s->me.score_map, ME_MAP_SIZE*sizeof(uint32_t)) if(s->avctx->noise_reduction){ CHECKED_ALLOCZ(s->dct_error_sum, 2 * 64 * sizeof(int)) } } CHECKED_ALLOCZ(s->blocks, 64*12*2 * sizeof(DCTELEM)) s->block= s->blocks[0]; for(i=0;i<12;i++){ s->pblocks[i] = &s->block[i]; } return 0; fail: return -1; //free() through MPV_common_end() }