1 #include <private/dvr/latency_model.h>
2 
3 #include <cmath>
4 
5 namespace android {
6 namespace dvr {
7 
LatencyModel(size_t window_size)8 LatencyModel::LatencyModel(size_t window_size) : window_size_(window_size) {}
9 
AddLatency(int64_t latency_ns)10 void LatencyModel::AddLatency(int64_t latency_ns) {
11   // Not enough samples yet?
12   if (num_summed_ < window_size_) {
13     // Accumulate.
14     latency_sum_ += latency_ns;
15 
16     // Have enough samples for latency estimate?
17     if (++num_summed_ == window_size_) {
18       latency_ = latency_sum_ / window_size_;
19     }
20   }
21 }
22 
23 }  // namespace dvr
24 }  // namespace android
25