#include <private/dvr/latency_model.h>
#include <cmath>
namespace android {
namespace dvr {
LatencyModel::LatencyModel(size_t window_size) : window_size_(window_size) {}
void LatencyModel::AddLatency(int64_t latency_ns) {
// Not enough samples yet?
if (num_summed_ < window_size_) {
// Accumulate.
latency_sum_ += latency_ns;
// Have enough samples for latency estimate?
if (++num_summed_ == window_size_) {
latency_ = latency_sum_ / window_size_;
}
}
}
} // namespace dvr
} // namespace android