} else {
assert(bt_ctf_trace_get_stream_class_count(
ctx->trace) == 1);
- stream_class = bt_ctf_trace_get_stream_class(
- ctx->trace, 0);
+ stream_class =
+ bt_ctf_trace_get_stream_class_by_index(
+ ctx->trace, 0);
assert(stream_class);
stream_id = bt_ctf_stream_class_get_id(
stream_class);