AAC_CHANNEL_LFE   259 libavcodec/aac.c     decode_channel_map(NULL,                  new_che_pos[TYPE_LFE], AAC_CHANNEL_LFE,   gb, num_lfe  );
AAC_CHANNEL_LFE   310 libavcodec/aac.c         new_che_pos[TYPE_LFE][0] = AAC_CHANNEL_LFE;   // LFE