blob: f4a6b765867eda5fe613b551a12ff58c91224bd3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef AUDIO_DEVICE_FILE_AUDIO_DEVICE_H_
#define AUDIO_DEVICE_FILE_AUDIO_DEVICE_H_
#include <stdio.h>
#include <memory>
#include <string>
#include "modules/audio_device/audio_device_generic.h"
#include "rtc_base/platform_thread.h"
#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/system/file_wrapper.h"
#include "rtc_base/time_utils.h"
namespace webrtc {
// This is a fake audio device which plays audio from a file as its microphone
// and plays out into a file.
class FileAudioDevice : public AudioDeviceGeneric {
public:
// Constructs a file audio device with |id|. It will read audio from
// |inputFilename| and record output audio to |outputFilename|.
//
// The input file should be a readable 48k stereo raw file, and the output
// file should point to a writable location. The output format will also be
// 48k stereo raw audio.
FileAudioDevice(const char* inputFilename, const char* outputFilename);
virtual ~FileAudioDevice();
// Retrieve the currently utilized audio layer
int32_t ActiveAudioLayer(
AudioDeviceModule::AudioLayer& audioLayer) const override;
// Main initializaton and termination
InitStatus Init() override;
int32_t Terminate() override;
bool Initialized() const override;
// Device enumeration
int16_t PlayoutDevices() override;
int16_t RecordingDevices() override;
int32_t PlayoutDeviceName(uint16_t index,
char name[kAdmMaxDeviceNameSize],
char guid[kAdmMaxGuidSize]) override;
int32_t RecordingDeviceName(uint16_t index,
char name[kAdmMaxDeviceNameSize],
char guid[kAdmMaxGuidSize]) override;
// Device selection
int32_t SetPlayoutDevice(uint16_t index) override;
int32_t SetPlayoutDevice(
AudioDeviceModule::WindowsDeviceType device) override;
int32_t SetRecordingDevice(uint16_t index) override;
int32_t SetRecordingDevice(
AudioDeviceModule::WindowsDeviceType device) override;
// Audio transport initialization
int32_t PlayoutIsAvailable(bool& available) override;
int32_t InitPlayout() override;
bool PlayoutIsInitialized() const override;
int32_t RecordingIsAvailable(bool& available) override;
int32_t InitRecording() override;
bool RecordingIsInitialized() const override;
// Audio transport control
int32_t StartPlayout() override;
int32_t StopPlayout() override;
bool Playing() const override;
int32_t StartRecording() override;
int32_t StopRecording() override;
bool Recording() const override;
// Audio mixer initialization
int32_t InitSpeaker() override;
bool SpeakerIsInitialized() const override;
int32_t InitMicrophone() override;
bool MicrophoneIsInitialized() const override;
// Speaker volume controls
int32_t SpeakerVolumeIsAvailable(bool& available) override;
int32_t SetSpeakerVolume(uint32_t volume) override;
int32_t SpeakerVolume(uint32_t& volume) const override;
int32_t MaxSpeakerVolume(uint32_t& maxVolume) const override;
int32_t MinSpeakerVolume(uint32_t& minVolume) const override;
// Microphone volume controls
int32_t MicrophoneVolumeIsAvailable(bool& available) override;
int32_t SetMicrophoneVolume(uint32_t volume) override;
int32_t MicrophoneVolume(uint32_t& volume) const override;
int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const override;
int32_t MinMicrophoneVolume(uint32_t& minVolume) const override;
// Speaker mute control
int32_t SpeakerMuteIsAvailable(bool& available) override;
int32_t SetSpeakerMute(bool enable) override;
int32_t SpeakerMute(bool& enabled) const override;
// Microphone mute control
int32_t MicrophoneMuteIsAvailable(bool& available) override;
int32_t SetMicrophoneMute(bool enable) override;
int32_t MicrophoneMute(bool& enabled) const override;
// Stereo support
int32_t StereoPlayoutIsAvailable(bool& available) override;
int32_t SetStereoPlayout(bool enable) override;
int32_t StereoPlayout(bool& enabled) const override;
int32_t StereoRecordingIsAvailable(bool& available) override;
int32_t SetStereoRecording(bool enable) override;
int32_t StereoRecording(bool& enabled) const override;
// Delay information and control
int32_t PlayoutDelay(uint16_t& delayMS) const override;
void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override;
private:
static void RecThreadFunc(void*);
static void PlayThreadFunc(void*);
bool RecThreadProcess();
bool PlayThreadProcess();
int32_t _playout_index;
int32_t _record_index;
AudioDeviceBuffer* _ptrAudioBuffer;
int8_t* _recordingBuffer; // In bytes.
int8_t* _playoutBuffer; // In bytes.
uint32_t _recordingFramesLeft;
uint32_t _playoutFramesLeft;
Mutex mutex_;
size_t _recordingBufferSizeIn10MS;
size_t _recordingFramesIn10MS;
size_t _playoutFramesIn10MS;
rtc::PlatformThread _ptrThreadRec;
rtc::PlatformThread _ptrThreadPlay;
bool _playing;
bool _recording;
int64_t _lastCallPlayoutMillis;
int64_t _lastCallRecordMillis;
FileWrapper _outputFile;
FileWrapper _inputFile;
std::string _outputFilename;
std::string _inputFilename;
};
} // namespace webrtc
#endif // AUDIO_DEVICE_FILE_AUDIO_DEVICE_H_
|
