[linux-dvb] Re: Types and capabilites for HDTV ATSC.

[Johannes Stezenbach <js@convergence.de>]

Holger Waechtler wrote:
> struct dvb_atsc_parameters {
> 	fe_modulation_t  modulation;
> 	/* anything more? maybe 8VSB or 16VSB? */
> };
> 
> 
> struct dvb_frontend_parameters {
>         __u32 frequency;
>         fe_spectral_inversion_t inversion;
>         union {
>                 struct dvb_qpsk_parameters qpsk;
>                 struct dvb_qam_parameters  qam;
>                 struct dvb_ofdm_parameters ofdm;
>                 struct dvb_atsc_parameters atsc;
>         } u;
> };

But you better make sure dvb_atsc_parameters isn't larger
than any of the other ones; if the size of struct
dvb_frontend_parameters changes, you'll break binary
compatibility. Otherwise I think it should be no problem.

Johannes