195     uint8_t elem_id;  member
207             .elem_id      = layout_map[offset][1],  in assign_pair()
218             .elem_id      = layout_map[offset][1],  in assign_pair()
224             .elem_id      = layout_map[offset + 1][1],  in assign_pair()
304             .elem_id      = layout_map[i][1],  in sniff_channel_order()
366             .elem_id      = layout_map[i][1],  in sniff_channel_order()
378             .elem_id      = layout_map[i][1],  in sniff_channel_order()
388             .elem_id      = layout_map[i][1],  in sniff_channel_order()
398             .elem_id      = layout_map[i][1],  in sniff_channel_order()
416             .elem_id      = layout_map[i][1],  in sniff_channel_order()
432             .elem_id      = layout_map[i][1],  in sniff_channel_order()
443             .elem_id      = layout_map[i][1],  in sniff_channel_order()
449             .elem_id      = layout_map[i][1],  in sniff_channel_order()
491         layout_map[i][1] = e2c_vec[i].elem_id;  in sniff_channel_order()
655 static ChannelElement *get_che(AACContext *ac, int type, int elem_id)  in get_che()  argument
660         return ac->tag_che_map[type][elem_id];  in get_che()
705         if (ac->tags_mapped > 3 && ((type == TYPE_CPE && elem_id < 8) ||  in get_che()
706                                     (type == TYPE_SCE && elem_id < 6) ||  in get_che()
707                                     (type == TYPE_LFE && elem_id < 2))) {  in get_che()
709             return ac->tag_che_map[type][elem_id] = ac->che[type][elem_id];  in get_che()
715             return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][2];  in get_che()
722             return ac->tag_che_map[TYPE_SCE][elem_id] = ac->che[TYPE_SCE][1];  in get_che()
732             if (!ac->warned_remapping_once && (type != TYPE_LFE || elem_id != 0)) {  in get_che()
735                    type == TYPE_SCE ? "SCE" : "LFE", elem_id);  in get_che()
739             return ac->tag_che_map[type][elem_id] = ac->che[TYPE_LFE][0];  in get_che()
744             return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][1];  in get_che()
754             if (!ac->warned_remapping_once && (type != TYPE_SCE || elem_id != 1)) {  in get_che()
757                    type == TYPE_SCE ? "SCE" : "LFE", elem_id);  in get_che()
761             return ac->tag_che_map[type][elem_id] = ac->che[TYPE_SCE][1];  in get_che()
767             return ac->tag_che_map[TYPE_SCE][elem_id] = ac->che[TYPE_SCE][1];  in get_che()
774             return ac->tag_che_map[TYPE_CPE][elem_id] = ac->che[TYPE_CPE][0];  in get_che()
781             return ac->tag_che_map[TYPE_SCE][elem_id] = ac->che[TYPE_SCE][0];  in get_che()
2985                                    enum RawDataBlockType type, int elem_id,  argument
2999                 if (coup->type[c] == type && coup->id_select[c] == elem_id) {
3183         const int elem_id   = aac_channel_layout_map[chan_config-1][i][1];  local
3184         if (!(che=get_che(ac, elem_type, elem_id))) {
3187                    elem_type, elem_id);
3230     int err, elem_id;  local
3261         elem_id = get_bits(gb, 4);
3264             av_log(avctx, AV_LOG_DEBUG, "Elem type:%x id:%x\n", elem_type, elem_id);
3272             if (che_presence[elem_type][elem_id]) {
3273                 int error = che_presence[elem_type][elem_id] > 1;
3275                        elem_type, elem_id);
3281             che_presence[elem_type][elem_id]++;
3283             if (!(che=get_che(ac, elem_type, elem_id))) {
3285                        elem_type, elem_id);
3349             if (elem_id == 15)
3350                 elem_id += get_bits(gb, 8) - 1;
3351             if (get_bits_left(gb) < 8 * elem_id) {
3357             while (elem_id > 0) {
3358                 int ret = decode_extension_payload(ac, gb, elem_id, che_prev, che_prev_type);
3363                 elem_id -= ret;