(avctx->codec_id == CODEC_ID_AC3 ||
avctx->codec_id == CODEC_ID_EAC3)))) {
avctx->channels = avctx->request_channels;
- } else {
+ } else if (avctx->codec_id != CODEC_ID_AAC || s->channels) {
avctx->channels = s->channels;
avctx->channel_layout = s->channel_layout;
}