blob: 66f15d1579f9b854377d8b4399d8461e79598ccb (
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
|
// Copyright (c) 2012 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.
//
// A fake implementation of AudioOutputStream. It is used for testing purpose.
// TODO(hclam): Implement a thread in this fake output stream to simulate an
// audio output stream reading from AudioSourceCallback.
#ifndef MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_
#define MEDIA_AUDIO_FAKE_AUDIO_OUTOUT_STREAM_H_
#include <vector>
#include "base/memory/scoped_ptr.h"
#include "media/audio/audio_io.h"
#include "media/audio/audio_parameters.h"
namespace media {
class AudioManagerBase;
class MEDIA_EXPORT FakeAudioOutputStream : public AudioOutputStream {
public:
static AudioOutputStream* MakeFakeStream(AudioManagerBase* manager,
const AudioParameters& params);
static FakeAudioOutputStream* GetCurrentFakeStream();
virtual bool Open() OVERRIDE;
virtual void Start(AudioSourceCallback* callback) OVERRIDE;
virtual void Stop() OVERRIDE;
virtual void SetVolume(double volume) OVERRIDE;
virtual void GetVolume(double* volume) OVERRIDE;
virtual void Close() OVERRIDE;
uint8* buffer() { return buffer_.get(); }
private:
explicit FakeAudioOutputStream(AudioManagerBase* manager,
const AudioParameters& params);
virtual ~FakeAudioOutputStream();
static FakeAudioOutputStream* current_fake_stream_;
AudioManagerBase* audio_manager_;
double volume_;
AudioSourceCallback* callback_;
scoped_array<uint8> buffer_;
uint32 bytes_per_buffer_;
bool closed_;
DISALLOW_COPY_AND_ASSIGN(FakeAudioOutputStream);
};
} // namespace media
#endif // MEDIA_AUDIO_FAKE_AUDIO_OUTPUT_STREAM_H_
|
