AAC_CHANNEL_FRONT  256 libavcodec/aac.c     decode_channel_map(new_che_pos[TYPE_CPE], new_che_pos[TYPE_SCE], AAC_CHANNEL_FRONT, gb, num_front);
AAC_CHANNEL_FRONT  301 libavcodec/aac.c         new_che_pos[TYPE_SCE][0] = AAC_CHANNEL_FRONT; // front center (or mono)
AAC_CHANNEL_FRONT  303 libavcodec/aac.c         new_che_pos[TYPE_CPE][0] = AAC_CHANNEL_FRONT; // L + R (or stereo)
AAC_CHANNEL_FRONT  312 libavcodec/aac.c         new_che_pos[TYPE_CPE][1] = AAC_CHANNEL_FRONT; // outer front left + outer front right