p_sys->param.i_open_gop = X264_OPEN_GOP_NORMAL;
else if( !strcmp( psz_val, "bluray" ) )
p_sys->param.i_open_gop = X264_OPEN_GOP_BLURAY;
p_sys->param.i_open_gop = X264_OPEN_GOP_NORMAL;
else if( !strcmp( psz_val, "bluray" ) )
p_sys->param.i_open_gop = X264_OPEN_GOP_BLURAY;