if (mh.stream_type == 0xbb) {
/* MLP stream */
- avctx->channels = mh.channels_mlp;
- avctx->channel_layout = mh.channel_layout_mlp;
+ if (avctx->request_channels > 0 && avctx->request_channels <= 2 &&
+ mh.num_substreams > 1) {
+ avctx->channels = 2;
+ avctx->channel_layout = AV_CH_LAYOUT_STEREO;
+ } else {
+ avctx->channels = mh.channels_mlp;
+ avctx->channel_layout = mh.channel_layout_mlp;
+ }
} else { /* mh.stream_type == 0xba */
/* TrueHD stream */
- if (mh.channels_thd_stream2) {
+ if (avctx->request_channels > 0 && avctx->request_channels <= 2 &&
+ mh.num_substreams > 1) {
+ avctx->channels = 2;
+ avctx->channel_layout = AV_CH_LAYOUT_STEREO;
+ } else if (mh.channels_thd_stream2 &&
+ (avctx->request_channels <= 0 ||
+ avctx->request_channels > mh.channels_thd_stream1)) {
avctx->channels = mh.channels_thd_stream2;
avctx->channel_layout = mh.channel_layout_thd_stream2;
} else {