1 /*
2  *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #ifndef MODULES_AUDIO_PROCESSING_TEST_API_CALL_STATISTICS_H_
12 #define MODULES_AUDIO_PROCESSING_TEST_API_CALL_STATISTICS_H_
13 
14 #include <string>
15 #include <vector>
16 
17 namespace webrtc {
18 namespace test {
19 
20 // Collects statistics about the API call durations.
21 class ApiCallStatistics {
22  public:
23   enum class CallType { kRender, kCapture };
24 
25   // Adds a new datapoint.
26   void Add(int64_t duration_nanos, CallType call_type);
27 
28   // Prints out a report of the statistics.
29   void PrintReport() const;
30 
31   // Writes the call information to a file.
32   void WriteReportToFile(const std::string& filename) const;
33 
34  private:
35   struct CallData {
36     CallData(int64_t duration_nanos, CallType call_type);
37     int64_t duration_nanos;
38     CallType call_type;
39   };
40   std::vector<CallData> calls_;
41 };
42 
43 }  // namespace test
44 }  // namespace webrtc
45 
46 #endif  // MODULES_AUDIO_PROCESSING_TEST_API_CALL_STATISTICS_H_
47