1/*
2 *  Copyright (c) 2013 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#ifndef WEBRTC_TEST_FAKE_AUDIO_DEVICE_H_
11#define WEBRTC_TEST_FAKE_AUDIO_DEVICE_H_
12
13#include <string>
14
15#include "webrtc/base/criticalsection.h"
16#include "webrtc/base/platform_thread.h"
17#include "webrtc/base/scoped_ptr.h"
18#include "webrtc/modules/audio_device/include/fake_audio_device.h"
19#include "webrtc/typedefs.h"
20
21namespace webrtc {
22
23class Clock;
24class EventTimerWrapper;
25class FileWrapper;
26class ModuleFileUtility;
27
28namespace test {
29
30class FakeAudioDevice : public FakeAudioDeviceModule {
31 public:
32  FakeAudioDevice(Clock* clock, const std::string& filename);
33
34  virtual ~FakeAudioDevice();
35
36  int32_t Init() override;
37  int32_t RegisterAudioCallback(AudioTransport* callback) override;
38
39  bool Playing() const override;
40  int32_t PlayoutDelay(uint16_t* delay_ms) const override;
41  bool Recording() const override;
42
43  void Start();
44  void Stop();
45
46 private:
47  static bool Run(void* obj);
48  void CaptureAudio();
49
50  static const uint32_t kFrequencyHz = 16000;
51  static const size_t kBufferSizeBytes = 2 * kFrequencyHz;
52
53  AudioTransport* audio_callback_;
54  bool capturing_;
55  int8_t captured_audio_[kBufferSizeBytes];
56  int8_t playout_buffer_[kBufferSizeBytes];
57  int64_t last_playout_ms_;
58
59  Clock* clock_;
60  rtc::scoped_ptr<EventTimerWrapper> tick_;
61  mutable rtc::CriticalSection lock_;
62  rtc::PlatformThread thread_;
63  rtc::scoped_ptr<ModuleFileUtility> file_utility_;
64  rtc::scoped_ptr<FileWrapper> input_stream_;
65};
66}  // namespace test
67}  // namespace webrtc
68
69#endif  // WEBRTC_TEST_FAKE_AUDIO_DEVICE_H_
70