blob: fbe010271502cf5d28c454d05452a8f2f3960f1b (
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
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_AUDIO_CRAS_AUDIO_MANAGER_CRAS_H_
#define MEDIA_AUDIO_CRAS_AUDIO_MANAGER_CRAS_H_
#include <cras_types.h>
#include <string>
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "media/audio/audio_manager_base.h"
namespace media {
class MEDIA_EXPORT AudioManagerCras : public AudioManagerBase {
public:
AudioManagerCras(AudioLogFactory* audio_log_factory);
// AudioManager implementation.
bool HasAudioOutputDevices() override;
bool HasAudioInputDevices() override;
void ShowAudioInputSettings() override;
void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override;
void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override;
AudioParameters GetInputStreamParameters(
const std::string& device_id) override;
void SetHasKeyboardMic() override;
// AudioManagerBase implementation.
AudioOutputStream* MakeLinearOutputStream(
const AudioParameters& params) override;
AudioOutputStream* MakeLowLatencyOutputStream(
const AudioParameters& params,
const std::string& device_id) override;
AudioInputStream* MakeLinearInputStream(
const AudioParameters& params,
const std::string& device_id) override;
AudioInputStream* MakeLowLatencyInputStream(
const AudioParameters& params,
const std::string& device_id) override;
static snd_pcm_format_t BitsToFormat(int bits_per_sample);
protected:
~AudioManagerCras() override;
AudioParameters GetPreferredOutputStreamParameters(
const std::string& output_device_id,
const AudioParameters& input_params) override;
private:
// Called by MakeLinearOutputStream and MakeLowLatencyOutputStream.
AudioOutputStream* MakeOutputStream(const AudioParameters& params);
// Called by MakeLinearInputStream and MakeLowLatencyInputStream.
AudioInputStream* MakeInputStream(const AudioParameters& params,
const std::string& device_id);
void AddBeamformingDevices(AudioDeviceNames* device_names);
bool has_keyboard_mic_;
// Stores the mic positions field from the device.
std::vector<Point> mic_positions_;
const char* beamforming_on_device_id_;
const char* beamforming_off_device_id_;
DISALLOW_COPY_AND_ASSIGN(AudioManagerCras);
};
} // namespace media
#endif // MEDIA_AUDIO_CRAS_AUDIO_MANAGER_CRAS_H_
|
