int ff_hevc_cabac_init(HEVCContext *s, int ctb_addr_ts) { if (ctb_addr_ts == s->ps.pps->ctb_addr_rs_to_ts[s->sh.slice_ctb_addr_rs]) { int ret = cabac_init_decoder(s); if (ret < 0) return ret; if (s->sh.dependent_slice_segment_flag == 0 || (s->ps.pps->tiles_enabled_flag && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[ctb_addr_ts - 1])) cabac_init_state(s); if (!s->sh.first_slice_in_pic_flag && s->ps.pps->entropy_coding_sync_enabled_flag) { if (ctb_addr_ts % s->ps.sps->ctb_width == 0) { if (s->ps.sps->ctb_width == 1) cabac_init_state(s); else if (s->sh.dependent_slice_segment_flag == 1) load_states(s); } } } else { if (s->ps.pps->tiles_enabled_flag && s->ps.pps->tile_id[ctb_addr_ts] != s->ps.pps->tile_id[ctb_addr_ts - 1]) { if (s->threads_number == 1) cabac_reinit(s->HEVClc); else { int ret = cabac_init_decoder(s); if (ret < 0) return ret; } cabac_init_state(s); } if (s->ps.pps->entropy_coding_sync_enabled_flag) { if (ctb_addr_ts % s->ps.sps->ctb_width == 0) { get_cabac_terminate(&s->HEVClc->cc); if (s->threads_number == 1) cabac_reinit(s->HEVClc); else { int ret = cabac_init_decoder(s); if (ret < 0) return ret; } if (s->ps.sps->ctb_width == 1) cabac_init_state(s); else load_states(s); } } } return 0; }