> +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.