ff_truehd_layout  200 libavcodec/mlp_parser.c         mh->channel_layout_thd_stream1 = ff_truehd_layout(channel_arrangement);
ff_truehd_layout  206 libavcodec/mlp_parser.c         mh->channel_layout_thd_stream2 = ff_truehd_layout(channel_arrangement);
ff_truehd_layout   67 libavcodec/mlp_parser.h uint64_t ff_truehd_layout(int chanmap);