@Steve I noticed a mistake with commit 35b0a076bdb8c86d8d1180a30862300d5a21a5e4 of yours. +static const vlc_fourcc_t p_D3D11_OPAQUE_RGBA_fallback[] = { + VLC_CODEC_D3D11_OPAQUE, VLC_CODEC_RGBA, 0, +}; obviously the list should start with VLC_CODEC_D3D11_OPAQUE_RGBA :) Regards, Lyndon