to_sample
return to_sample(a)->rate;
return to_sample(a)->truncate;
return to_sample(a)->trunc_size;
s = to_sample(*a);
struct tcf_sample *s = to_sample(a);
struct tcf_sample *s = to_sample(a);
struct tcf_sample *s = to_sample(a);
struct tcf_sample *s = to_sample(a);
struct tcf_sample *s = to_sample(a);