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negative latency fix #111

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negative latency fix #111

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15 changes: 6 additions & 9 deletions riva/clients/nmt/streaming_s2t_client.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -253,14 +253,6 @@ void
StreamingS2TClient::PostProcessResults(std::shared_ptr<S2TClientCall> call, bool audio_device)
{
std::lock_guard<std::mutex> lock(latencies_mutex_);

if (simulate_realtime_) {
double lat =
std::chrono::duration<double, std::milli>(call->recv_times[0] - call->send_times.back())
.count();
VLOG(1) << "Latency:" << lat << std::endl;
latencies_.push_back(lat);
}
call->PrintResult(audio_device, output_file_);
}

Expand All @@ -275,6 +267,11 @@ StreamingS2TClient::ReceiveResponses(std::shared_ptr<S2TClientCall> call, bool a

while (call->streamer->Read(&call->response)) { // Returns false when no more to read.
call->recv_times.push_back(std::chrono::steady_clock::now());
if(simulate_realtime_){
double lat = std::chrono::duration<double, std::milli>(call->recv_times.back() - call->send_times.back()).count();
latencies_.push_back(lat);
VLOG(1) << "Latency of segment " << call->recv_times.size() << " is " << lat << std::endl;
}
for (int r = 0; r < call->response.results_size(); ++r) {
const auto& result = call->response.results(r);

Expand Down Expand Up @@ -376,7 +373,7 @@ StreamingS2TClient::PrintLatencies(std::vector<double>& latencies, const std::st
double avg = std::accumulate(latencies.begin(), latencies.end(), 0.0) / latencies.size();

std::cout << std::setprecision(5);
std::cout << name << " (ms):\n";
std::cout << name << " (ms) (Excluding ASR EOU):\n";
std::cout << "\t\tMedian\t\t90th\t\t95th\t\t99th\t\tAvg\n";
std::cout << "\t\t" << median << "\t\t" << lat_90 << "\t\t" << lat_95 << "\t\t" << lat_99
<< "\t\t" << avg << std::endl;
Expand Down