+ // Number of samples that have been written to the queue (in total)
+ // at this time point. Equivalent to k_a0 or k_a1 in the paper.
+ size_t input_samples_received = 0;
+
+ // Set to false if we should not use the timestamp from this sample
+ // (e.g. if it is from a dropped frame and thus bad). In particular,
+ // we will not use it for updateing current_estimated_freq_in.
+ bool good_sample = false;
+ };
+ InputPoint a0, a1;