> +static const uint64_t s302m_channel_layout[] = {
> + AV_CH_LAYOUT_STEREO,
> + AV_CH_LAYOUT_QUAD,
> + AV_CH_LAYOUT_5POINT1_BACK,
> + AV_CH_LAYOUT_5POINT1_BACK | AV_CH_LAYOUT_STEREO_DOWNMIX,
> + 0,
> +};
IMO these should not be there since channel layout in 302M is not meaningful.