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
|
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SYSTEM_AUDIO_AUDIO_EFFECTS_CONTROLLER_H_
#define ASH_SYSTEM_AUDIO_AUDIO_EFFECTS_CONTROLLER_H_
#include <optional>
#include "ash/ash_export.h"
#include "ash/public/cpp/session/session_controller.h"
#include "ash/public/cpp/session/session_observer.h"
#include "ash/system/video_conference/effects/video_conference_tray_effects_delegate.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chromeos/ash/components/audio/cras_audio_handler.h"
namespace ash {
enum class VcEffectId;
class ASH_EXPORT AudioEffectsController
: public CrasAudioHandler::AudioObserver,
public SessionObserver,
public VcEffectsDelegate {
public:
AudioEffectsController();
AudioEffectsController(const AudioEffectsController&) = delete;
AudioEffectsController& operator=(const AudioEffectsController&) = delete;
~AudioEffectsController() override;
// Returns whether `effect_id` is supported.
bool IsEffectSupported(VcEffectId effect_id);
// VcEffectsDelegate:
std::optional<int> GetEffectState(VcEffectId effect_id) override;
void OnEffectControlActivated(VcEffectId effect_id,
std::optional<int> state) override;
// SessionObserver:
void OnActiveUserPrefServiceChanged(PrefService* pref_service) override;
private:
// CrasAudioHandler::AudioObserver:
void OnActiveInputNodeChanged() override;
void OnAudioNodesChanged() override;
void OnActiveOutputNodeChanged() override;
void OnNoiseCancellationStateChanged() override;
void OnStyleTransferStateChanged() override;
// Refresh noise cancellation supported status.
void RefreshNoiseCancellationOrStyleTransferSupported();
// Construct effect for noise cancellation.
void AddNoiseCancellationEffect();
// Construct effect for style transfer.
void AddStyleTransferEffect();
// Construct effect for live caption.
void AddLiveCaptionEffect();
// Whether the effects is added already to effects manager.
bool IsEffectsAdded(VcEffectId id);
base::ScopedObservation<SessionController, SessionObserver>
session_observation_{this};
base::WeakPtrFactory<AudioEffectsController> weak_factory_{this};
};
} // namespace ash
#endif // ASH_SYSTEM_AUDIO_AUDIO_EFFECTS_CONTROLLER_H_
|
