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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef REMOTING_HOST_AUDIO_CAPTURER_H_ | 5 #ifndef REMOTING_HOST_AUDIO_CAPTURER_H_ |
6 #define REMOTING_HOST_AUDIO_CAPTURER_H_ | 6 #define REMOTING_HOST_AUDIO_CAPTURER_H_ |
7 | 7 |
| 8 #include <memory> |
| 9 |
8 #include "base/callback.h" | 10 #include "base/callback.h" |
9 #include "base/memory/scoped_ptr.h" | |
10 | 11 |
11 namespace remoting { | 12 namespace remoting { |
12 | 13 |
13 class AudioPacket; | 14 class AudioPacket; |
14 | 15 |
15 class AudioCapturer { | 16 class AudioCapturer { |
16 public: | 17 public: |
17 typedef base::Callback<void(scoped_ptr<AudioPacket> packet)> | 18 typedef base::Callback<void(std::unique_ptr<AudioPacket> packet)> |
18 PacketCapturedCallback; | 19 PacketCapturedCallback; |
19 | 20 |
20 virtual ~AudioCapturer() {} | 21 virtual ~AudioCapturer() {} |
21 | 22 |
22 // Returns true if audio capturing is supported on this platform. If this | 23 // Returns true if audio capturing is supported on this platform. If this |
23 // returns true, then Create() must not return nullptr. | 24 // returns true, then Create() must not return nullptr. |
24 static bool IsSupported(); | 25 static bool IsSupported(); |
25 static scoped_ptr<AudioCapturer> Create(); | 26 static std::unique_ptr<AudioCapturer> Create(); |
26 | 27 |
27 // Capturers should sample at a 44.1 or 48 kHz sampling rate, in uncompressed | 28 // Capturers should sample at a 44.1 or 48 kHz sampling rate, in uncompressed |
28 // PCM stereo format. Capturers may choose the number of frames per packet. | 29 // PCM stereo format. Capturers may choose the number of frames per packet. |
29 // Returns true on success. | 30 // Returns true on success. |
30 virtual bool Start(const PacketCapturedCallback& callback) = 0; | 31 virtual bool Start(const PacketCapturedCallback& callback) = 0; |
31 | 32 |
32 static bool IsValidSampleRate(int sample_rate); | 33 static bool IsValidSampleRate(int sample_rate); |
33 }; | 34 }; |
34 | 35 |
35 } // namespace remoting | 36 } // namespace remoting |
36 | 37 |
37 #endif // REMOTING_HOST_AUDIO_CAPTURER_H_ | 38 #endif // REMOTING_HOST_AUDIO_CAPTURER_H_ |
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