DEBUG("Number of threads: %u", num_threads);
DEBUG("Progress function: %s", (progress_func ? "yes" : "no"));
DEBUG("Stream list: %s", (stream_list_override ? "specified" : "autodetect"));
DEBUG("Number of threads: %u", num_threads);
DEBUG("Progress function: %s", (progress_func ? "yes" : "no"));
DEBUG("Stream list: %s", (stream_list_override ? "specified" : "autodetect"));